Super Analogue Mic Amp
Owner’s Manual
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Solid State Logic
S U P E R A N A L O G U E
M I C A M P
Super-Analogue™ Outboard
Owner’s Manual
82S6XL020E
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XLogic Mic Amp Owner’s Manual
Solid State Logic
Begbroke, Oxford, England, OX5 1RU • +44 (0)1865 842300
320 West 46th Street, 2nd Floor, New York, NY 10036, USA • +1 (1) 212 315 1111
Suite 401, 5757 Wilshire Blvd, Los Angeles, CA 90036, USA • +1 (1) 323 549 9090
3-55-14 Sendagaya, Shibuya-Ku, Tokyo 151-0051, Japan • +81 (0)3 5474 1144
7 bis, rue de la Victoire, le Blanc Mesnil, Paris 93150, France • +33 (0)1 48 67 84 85
Via Timavo 34, 20124 Milano, Italy • +39 (0)39 2328 094
© Solid State Logic
All Rights reserved under International and Pan-American Copyright Conventions
Solid State Logic, SSL and XLogic are trademarks of Solid State Logic
All other product names and trademarks are the property of their respective owners
No part of this publication may be reproduced in any form or
by any means, whether mechanical or electronic, without the
written permission of Solid State Logic, Oxford, England
Revision 0A, September 2003
Revision 0B, December 2003
Revision 0C, January 2004
Revision 0D, June 2004
Revision 0E, July 2004
Minor changes, November 2004
Minor changes, June 2005
As research and development is a continual process, Solid State Logic reserves the right
to change the features and specifications described herein without notice or obligation
E&OE
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Contents
1.0 Introduction
3
2.0 Safety Considerations
Safety Warnings
4
4
3.0 Installation
7
7
7
Setting the mains voltage selector
Mounting
Standalone Operation
7
Connecting to XL 9000 consoles
Connecting to XLogic Remote Control unit
Configuring the unit
9
11
13
4.0 Operation
Appendices:
15
A
Internal Links and Fuses
Test Mode
Connector Details
Electronic Specification
Calibration Information
Physical Specification
Environmental Specification
17
17
18
24
26
27
27
B
C
D
E
F
Page 1
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XLogic Mic Amp Owner’s Manual
oigc
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XL
XL
Page 2
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Introduction
1.0 Introduction
The XLogic Mic Amp is a 1U rack mounting unit containing four ultra high quality microphone amplifiers,
utilising SSL’s Super Analogue technology. The unit can be controlled either locally, from the XLogic Mic Amp
Remote Control or from an XL 9000 console, allowing the mic amp to be placed close to the microphone in order
to eliminate the signal degradation caused by long mic cables.
The object of this manual is to provide purchasers of the XLogic Mic Amp with information in the following
areas:
• Safety considerations
• Installation requirement
• Electrical connections and cabling
• Connector pin-outs
• Specifications and physical dimensions
Warranty
The warranty period for this unit is 12 months from date of purchase.
In Warranty Repairs
In the event of a fault during the warranty period the unit must be returned to your local distributor who will
arrange for it to be shipped to Solid State Logic for repair. All units should be shipped to Solid State Logic in their
original packaging. Solid State Logic can not be held responsible for any damage caused by shipping units in
other packaging. In such cases Solid State Logic will return the unit in a suitable box, which you will be charged
for. Please do not send manuals, power leads or any other cables - Solid State Logic can not guarantee to return
them to you. Please also note that warranty returns will only be accepted as such if accompanied by a copy of
the receipt or other proof of purchase.
Out of Warranty Repairs
In the event of a fault after the warranty period has expired, return the unit in its original packaging to your local
distributor for shipment to Solid State Logic. You will be charged for the time spent on the repair (at Solid State
Logic's current repair rate) plus the cost of parts and shipping.
Page 3
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XLogic Mic Amp Owner’s Manual
2.0 Safety considerations
This section contains definitions and warnings, and practical information to ensure a safe working environment.
Please take time to read this section before undertaking any installation work.
2.1 Definitions
‘Maintenance’
All maintenance must be carried out by fully trained personnel. Note: it is advisable to observe suitable ESD
precautions when maintenance to any part is undertaken.
‘Non-User Adjustments’
Adjustments or alterations to the equipment may affect the performance such that safety and/or international
compliance standards may no longer be met. Any such adjustments must therefore only be carried out by fully
trained personnel.
‘Users’
This equipment is designed for use solely by engineers and competent operators skilled in the use of professional
audio equipment.
‘Environment’
This product is a Class A product intended to form an integrated component part of a professional audio
recording, mixing, dubbing, film, TV, radio broadcast or similar studio wherein it will perform to specification
providing that it is installed according to professional practice.
2.2 Electrical Safety Warning
When installing or servicing any item of Solid State Logic equipment with power applied, when cover
panels are removed, HAZARDOUS CONDITIONS CAN EXIST.
These hazards include:
High voltages
High energy stored in capacitors
High currents available from DC power busses
Hot component surfaces
Any metal jewellery (watches, bracelets, neck-chains and rings) that could inadvertently come into contact
with uninsulated parts should always be removed before reaching inside powered equipment.
2.3 Installation
Voltage Selection and Fusing
All XLogic units have selectable voltage inlets. Always confirm that the input mains voltage range is set correctly
before applying power. Always isolate the mains supply before changing the input range setting.
If it is ever necessary to replace a blown mains-fuse, then always use the correct rating and type of replacement.
If a correctly rated fuse continues to blow, then a fault exists and the cause should be investigated or the unit
returned to Solid State Logic for repair/replacement as appropriate.
Details of mains settings and correct fuse ratings can be found in Section 3.1 and Appendix A of this manual.
Safety Earth Connection
Any mains powered item of Solid State Logic equipment that is supplied with a 3-core mains lead (whether
connectorised or not) should always have the earth wire connected to the mains supply ground. This is the safety
earth and grounds the exposed metal parts of the racks and cases and should not be removed for any reason.
Page 4
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Safety Considerations
Mains Supply and Phases
Solid State Logic equipment is designed for connection to single phase supplies with the Neutral conductor at
earth potential - category TN - and is fitted with a protective fuse in the Live conductor only. It is not designed
for use with Phase (Live) and Neutral connections reversed or where the Neutral conductor is not at earth
potential (TT or IT supplies).
Mains cables will be coded with the following colour scheme:
LIVE:
Brown
NEUTRAL:
EARTH:
Blue
Yellow/Green
Mains Isolation and Over-Current Protection
An external disconnect device is required for this equipment which must be installed according to current wiring
regulations. A detachable power cord, as fitted to this equipment, is a suitable disconnect device.
An external over-current protection device is required to protect the wiring to this equipment which must be
installed according to the current wiring regulations. The fusing or breaking-current are defined in the product
specification. In certain countries this function is supplied by use of a fused plug.
CE Certification
Note that the majority of cables supplied with SSL equipment are fitted with ferrite rings at each end. This is to
comply with current European CE regulations and these ferrites should not be removed.
If any of the unit metalwork is modified in any way this may the adversely affect the CE certification status of
the product.
FCC Certification
The XLogic unit has been tested and found to comply with the limits for a Class A digital device, pursuant to
part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference
when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause
harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause
harmful interference in which case the user will be required to correct the interference at his own expense.
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XLogic Mic Amp Owner’s Manual
100V
120V
230V
240V
Mains Input Module
2 4 0
1 2 0
2 3 0
1 0 0
100
120
230
240
100V Setting
(Use for 90-105V)
120V Setting
(Use for 105-125V)
240V Setting
(Use for 220-240V)
230V Setting
(Do not use)
Mains Input Programming PCB
These diagrams show the PCB arrangements for the different voltage settings.
Note that where the mains voltage is a nominal 230V, the ‘240V Setting’ should be used – not the ‘230V Setting’!
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Installation
3.0 Installation
3.1 Voltage Selection
Before connecting the mains supply ensure that the voltage range selector next to the IEC socket on the rear of
the unit is correctly set. The input setting must be confirmed before applying power. The input module can be
configured to be one of 4 voltage settings. The setting is indicated by a plastic pin protruding through the
appropriate hole in the fuse panel.
The setting is altered by a small vertical PCB which can be fitted in 4 positions.
To change the setting:
Switch off and remove the IEC lead.
Using a small flat-bladed screwdriver, lever open the fuse panel to the right of the connector.
At the right hand side is a vertical PCB with a plastic key which indicates the setting. Using pliers, pull
out the PCB.
The PCB has to be rotated until the desired voltage is shown along the edge which plugs into the module.
The plastic key (and this bit is quite fiddly) must also be rotated so that it points out of the module and so
that the round pin aligns with the appropriate hole in the cover panel; (refer to the diagrams opposite).
Re-insert the PCB and replace the fuse panel. The plastic pin should project through the appropriate hole.
3.2 Mounting
The XLogic unit is designed to be rack mounted. It is 1RU (44.5mm/1.75 inch) high. Its depth is:
325 mm/12.8 inches not including heatsink
365 mm/14.3 inches including heatsink
400 mm/15.75 inches including connectors
Please note that the rack ears of early XLogic Mic Amp units are not capable of supporting the full weight of the
unit. Therefore if the unit is to be rack-mounted, it must either be mounted on suitable rack shelves or be fitted
with a pair of support brackets to reinforce the rack ears – do not rely on just the basic front panel for rack-mounting
the unit. Later XLogic Mic Amp units incorporate reinforcement brackets into the chassis and so are suitable for
direct rack-mounting. Should your unit require them, pairs of support brackets (SSL Part No.: 629943XR) are
available from your local distributor.
A 1RU space must be left above each unit to ensure adequate ventilation.
3.3 Standalone Operation
Before mounting the unit in the rack check that the front panel displays are correct by powering up the unit.
Section 3.6 describes how to set the displays for your installation.
If several units are to be mounted in the same rack then the headphone monitor and talkback bus should be
connected between the units by connecting the ‘MON IN’ and ‘MON OUT’ connectors on adjacent units, using
the supplied RJ11-RJ11 cable (SSL Part No.66C67240).
The headphone output monitors any channel selected to ‘MON’ plus an external talkback input. The talkback
input can be connected to a line level console talkback output if required. This signal is bussed between units on
the monitor link cables. Use an RJ11 to female XLR adaptor (SSL Part No. 66C67241) to connect talkback to a free
MON IN or MON OUT connector. One adaptor cable is supplied with each unit.
Once these connection have been made apply power to the unit(s). Ensure that the yellow ‘REMOTE’ LED on
the right of the front panel is not lit. If it is lit, use a small screwdriver or similar to turn off the recessed
‘REMOTE’ switch below the LED. Finally connect the male XLR connectors on the rear of the unit to the line level
inputs of your console or recorder and your microphones to the XLR inputs on the front of the unit.
Page 7
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XLogic Mic Amp Owner’s Manual
Console Wiring Diagram
Page 8
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Installation
3.4 Connection to XL 9000 Consoles
Remote mic amp prewiring has been fitted to many, but not all XL 9000 consoles. In many cases only a small
number of channels have been wired. Check which (if any) bays of the console have been prewired for remote
mic amps. Wiring can be retrofitted to any XL 9000 console if required - contact your local office or distributor
for more information. The prewiring comprises two parts – two control signals from each channel plus a relay
card that automatically switches the channel line input to the output of the XLogic Mic Amp.
Connection to an XL 9000 console is made from the 25 way ‘D’ type connector on the rear of the unit. This carries
both audio and control signals. Depending on the age of the console the audio inputs and control outputs will
either be on 96 pin Canon DL connectors (which were used on the original 24 channel ‘SuperPre’ mic amp) which
have 24 circuits of audio and control on separate connectors, or on 25 way ‘D’ type male connectors with the
same pin out as the Mic Amp unit. If the console if wired with DL connectors then a DL to 25 way ‘D’ type male
adaptor cable will be required.
Interconnecting cables may be ordered from Solid State Logic or supplied by the facility. See the block diagrams
opposite. Appendix B contains pinouts for all connectors. Appendix B also includes wiring information to build
an adaptor cable to connect the audio and control DLs to 25 way ‘D’ type connectors.
The cable used should be 8 pair individually jacketed multicore with an overall screen such as Belden 1512C.
Connectors should have metal or metallised covers. Connect the overall shield to the connector cover at both
ends.
If several units are to be mounted in the same rack then the headphone monitor and talkback bus should be
connected between the units by connecting the ‘MON IN’ and ‘MON OUT’ connectors on adjacent units, using
the supplied RJ11-RJ11 cable (SSL Part No.66C67240).
The headphone output monitors any channel selected to ‘MON’ plus an external talkback input. The talkback
input can be connected to a line level console talkback output if required. This signal is bussed between units on
the monitor link cables. Use an RJ11 to female XLR adaptor (SSL Part No. 66C67241) to connect talkback to a free
MON IN or MON OUT connector. One adaptor cable is supplied with each unit.
Once these connection have been made apply power to the unit(s). Ensure that the yellow ‘REMOTE’ LED on
the right of the front panel is lit. If it is not lit use a small screwdriver or similar to turn on the recessed ‘REMOTE’
switch below the LED.
Finally check that:
• The channel number displays on the front of the unit match the numbers of the channels the unit is
connected to.
• When you pull up the Mic Gain controls on the connected channels the ‘MIC’ LED changes colour from
red to green.
• The motorised pots and the remote controlled switches (48V, PAD and Hi-Z) operate correctly from the
XL 9000 when ‘Remote’ is selected and that they can be controlled locally when ‘Remote’ is not selected.
• When you connect a microphone to the Mic Amp input signal appears on the input of the correct channel
of the console.
Page 9
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XLogic Mic Amp Owner’s Manual
Remote Control Wiring Diagram
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Installation
3.5 Connection to XLogic Mic Amp Remote
The XLogic Mic Amp Remote (see drawing on page 2) is a 1U panel, approximately 100mm deep. Each unit will
control one or two XLogic Mic Amp units (eight channels in total). It connects to each XLogic Mic Amp by two
shielded RJ45 cables and is powered from the XLogic Mic Amp. Four 20 metre cables are supplied with each
remote unit. These cables can be extended up to a maximum length of 100 metres using standard shielded Cat
5 network cable(s) with a minimum conductor size of 26AWG. Use of 24AWG cable allows the cable to be
extended to a maximum of 200 metres. To ensure compliance with EU EMC regulations Solid State Logic
recommend fitting a ferrite bead close to each end of the cable.
Note that these cables carry +12 volts to power the remote unit and must not be connected to your ethernet network. Serious
damage to the ethernet repeater may result if this is done.
If several units are to be mounted in the same rack then the headphone monitor and talkback bus should be
connected between the units by connecting the ‘MON IN’ and ‘MON OUT’ connectors on adjacent units, using
the supplied RJ11-RJ11 cable (SSL Part No.66C67240). The drawing in Section 3.5 shows this.
The headphone output monitors any channel selected to ‘MON’ plus an external talkback input. The talkback
input can be connected to a line level console talkback output if required. This signal is bussed between units on
the monitor link cables. Use an RJ11 to female XLR adaptor (SSL Part No. 66C67241) to connect talkback to a free
MON IN or MON OUT connector. One adaptor cable is supplied with each unit.
Once these connection have been made apply power to the unit(s). Ensure that the yellow ‘REMOTE’ LED on
the right of the front panel is on. If it is off use a small screwdriver or similar to turn on the recessed ‘REMOTE’
switch below the LED.
Check that the motorised pots and the remote controlled switches (Phase, –20dB and Hi-Z) operate correctly
from the Mic Amp Remote control unit when ‘REMOTE’ is selected and that they can be controlled locally when
‘REMOTE’ is not selected.
Finally connect the male XLR connectors on the rear of the unit to the line level inputs of your console or recorder
and your microphones to the XLR inputs on the front of the unit.
Page 11
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XLogic Mic Amp Owner’s Manual
Table 1: Channel Display Setting - Normal Operation
Channel
LK5
BCD Switch
Front Panel Displays
Address *
Position
Setting
Display 1
DP
1
Display 2
DP
2
Display 3
DP
3
Display 4
DP
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
0
1
2
5
6
7
8
3
9
10
11
12
4
13
14
15
16
5
17
18
19
20
6
21
22
23
24
7
25
26
27
28
8
29
30
31
32
9
33
34
35
36
A
B
C
D
E
F
0
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
1
65
66
67
68
2
69
70
71
72
3
73
74
75
76
4
77
78
79
80
5
81
82
83
84
6
85
86
87
88
7
89
90
91
92
8
93
94
95
96
9
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
DP
A
B
C
D
E
F
Note: 'DP' - decimal point
* Pull address pins marked '1' to 0V to enable.
Page 12
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Configuration
3.6 Configuring the XLogic Mic Amp
There are a number of internal link settings, most of which should not normally require adjustment – see
Appendix A for a full listing. Those links that change the operation of the unit are described below.
Setting the Channel Displays
If the unit is connected to an XL 9000 console the 5 address bits on the 25 way ‘D’ type Audio/Control connector
are set on the console channel bus card so that the channel displays automatically show the channels the unit is
connected to.
When controlled locally or from the XLogic Mic Amp Remote
control unit, the channel displays can be set by adjusting a rotary
switch that is accessible through the lid of the case – see the
drawing to the right. The rotary switch has 16 positions, allowing
the front panel display to show channel numbers in the range 1
to 60. To display channel numbers above 60 the internal jumper
LK5 (screened BIT 5) should be moved to position ‘b’.
25-28/85-88
21-24/81-84
17-20/77-80
13-16/73-76
9-12/69-72
29-32/89-92
33-36/93-96
37-40
41-44
45-48
49-52
53-56
57-60
5-8/65-68
1-4/61-64
0
To perform this adjustment, make a note of the front panel
displays, power-down the unit and insert a thin flat bladed
screwdriver. Referring to both the screening on the top cover and
to Table 1. opposite, set the switch as required. Remove the
screwdriver and re-apply power.
Note that the rotary switch position is ignored if the unit is connected to an XL 9000 console but that LK5 will
always increase the displayed number by 60 when set to position ‘b’.
Note. It is recommended that this adjustment is not performed with power applied as a mis-placed screwdriver can cause
damage to the XLogic Mic Amp!
Changing the Remote +48V and Phase Switch Functions
If the unit is to be controlled from an XLogic Mic Amp Remote control unit then the phantom power selection is
normally made from the Mic Amp front panel and phase is remote controlled. If the unit is to be controlled from
an XL 9000 then phase is normally controlled from the Mic Amp front panel and phantom power is controlled
from the console. This selection is automatic – the unit detects if any of the address inputs on the Audio/Control
25 way ‘D’ type connector are connected to ground and selects ‘XL’ mode accordingly. The selection can be
reversed by moving the internal jumper LK6 (screened PHAS/PHAN) to position ‘b’.
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XLogic Mic Amp Owner’s Manual
DC Control
from Console
PIC Controller
Channel 1
25wD
REM
+48V
PHANTOM
POWER
RST
RST
RST
DC Control
from remote
RJ45 -1
MIC
TRIM
Ø
MON
MON
MON
+18 — +78dB
+48V
-20dB
Hi-Z
25wD
+
-
PIC Controller
Channel 2
DC Control
from Console
25wD
REM
+48V
PHANTOM
POWER
DC Control
from remote
RJ45 -1
MIC
TRIM
Ø
+18 — +78dB
+48V
-20dB
Hi-Z
25wD
+
-
PIC Controller
Channel 3
DC Control
from Console
25wD
REM
+48V
PHANTOM
POWER
DC Control
from remote
RJ45 -2
MIC
TRIM
Ø
+18 — +78dB
+48V
-20dB
Hi-Z
25wD
+
-
DC Control
from Console
PIC Controller
Channel 4
25wD
REM
+48V
RST
PHANTOM
POWER
DC Control
from remote
RJ45 -2
MIC
TRIM
Ø
MON
+18 — +78dB
+48V
-20dB
Hi-Z
25wD
+
-
+5V
REMOTE
25wD
5
PIC Display
Controller
0
E
1
D
2
C
3
B
4
A
5
9
6
8
7
MON IN/MON OUT
Talkback Input
Stereo Jack
Headphone
amp
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Operation
4.0 Operation
The XLogic Mic Amp is a 1U rack mounting unit containing four ultra high quality microphone amplifiers,
utilising Solid State Logic’s Super Analogue technology. The unit can be controlled locally, from the XLogic Mic
Amp Remote unit or from an XL 9000 console, allowing the mic amp to be placed close the microphone in order
to eliminate the signal degradation caused by long mic cables.
The ‘REMOTE’ switch on the right of the front panel (accessible through the hole above the ‘Remote’ LED)
switches the unit between remote and local modes.
In local mode all the front panel switches and the microphone gains can be set from
the front panel of the unit. Note that because of the servo motor and gear box the
gain control is stiffer than a normal SSL potentiometer. In remote mode the gain
MONITOR
controls and three of the front panel switches are controlled from either the XLogic
Mic Amp Remote unit or an XL 9000 console. The MON switch and either the phase
or 48V switch remain local. Which switch is local depends on whether the unit is
REMOTE
connected to an XL 9000 or to an XLogic Mic Amp Remote unit (and also on the
position of the internal PHAS/PHAN link – see section 3.6). The XL 9000 normally
controls 48V, Hi-Z and –20dB switches. The Mic Amp Remote normally controls
phase, Hi-Z and –20dB switches.
Please note that connecting a microphone to the XLogic Mic Amp with phantom power switched on is not advised as it may
cause damage to either the microphone or the input stage of the XLogic Mic Amp.
Each channel has an XLR input on the front panel. The mic amp gain is controlled by a motorised potentiometer.
Dedicated switches control phase reverse, phantom power, input impedance and 20dB pad. A dual seven
segment display shows the channel number. These are set from either an internal BCD switch (accessible through
the lid of the unit) or by links on the 25 way ‘D’
type connector on the rear of the unit. XL 9000
consoles automatically configure the unit to
show which channels the unit is connected to.
SIGNAL
GAIN
See section 3.6 for instructions on how to change
the channel displays.
+18
+72
dB
HI
Z
-20
dB
ø
48V
MON
Each channel has two outputs – one on the
Audio/Control 25 way ‘D’ type connector for
connection to an XL 9000 console and one on a
male XLR. Control inputs appear on both the 25
CHANNEL
way ‘D’ type ‘Audio/Control’ connector for connection to an XL 9000 and also on two RJ45 connectors for
connection to an XLogic Mic Amp Remote. The RJ45 connectors also carry power to the remote unit. Note that
only one of the control inputs should be connected.
The headphone jack and level control at the left of the unit is fed by a mix of the
talkback input on the rear panel ‘MON’ connectors and any microphone channel
that is selected to ‘MON’. The headphone outputs and talkback inputs on multiple
units can be linked using the ‘MON IN’ and ‘MON OUT’ RJ11 connectors on the
MONITOR
rear of the unit (see sections 3.3 and 3.4). The MON switches inter cancel between
REMOTE
channels and between multiple units if they are linked, so any input can be
monitored without having to move the headphones to a different unit.
The block diagram opposite shows the signal path through the unit.
Page 15
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XLogic Mic Amp Owner’s Manual
Table 2: Channel Displays (Test Mode)
Channel
LK5 (bit 5)
BCD Switch
Front Panel Displays
Address *
Position
Setting
Display 1
88
Display 2
88
Display 3
88
Display 4
88
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
0
1
seg a
segb
segc
seg d
seg e
seg f
segg
DP
seg a
segb
segc
seg d
seg e
seg f
segg
DP
seg a
segb
segc
seg d
seg e
seg f
segg
DP
seg a
segb
segc
seg d
seg e
seg f
segg
DP
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
0
11
22
33
44
55
66
77
88
99
DP
0
0
11
22
33
44
55
66
77
88
99
DP
0
0
11
22
33
44
55
66
77
88
99
DP
0
0
11
22
33
44
55
66
77
88
99
DP
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
a
Note: 'DP' – decimal point
– Ignored in Test Mode
f
b
c
g
*
e
– No entry means display is blank
– See right for segment display drawing
d
Page 16
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Appendix
Appendix A – Internal links and fuses
Fuses (Mains Inlet)
The mains inlet contains a single 1 amp 1.25" time delay fuse (SSL Part No. 35FJJ310). To change it disconnect the
mains inlet, then using a small screwdriver prise open the mains selector cover. This contains the fuse. Test and
replace with the same type and value if necessary.
Internal Fuses
The internal power rails are also individually fused. These fuses should only be changed by suitably experienced
staff. They are listed below:
Fuses (629610X1 Power Regulator Card)
+48V FS1 - 500mA wire ended (SSL part No. 35F5E250)
Fuses (629601X1 Main Card)
+5V FS1 – 3 amp wire ended (SSL part No. 35F5E330)
+18V FS2 – 3 amp wire ended (SSL part No. 35F5E330)
+15V FS3 – 3 amp wire ended (SSL part No. 35F5E330)
–15V FS4 – 3 amp wire ended (SSL part No. 35F5E330)
–18V FS5 – 3 amp wire ended (SSL part No. 35F5E330)
Links
LK1 Links output 0V to chassis. Normally fitted. Remove to capacitively couple.
LK3 Links chassis and analogue 0V. Normally fitted. Remove to increase impedance to 10Ω.
LK4 Test link. Normally set to position ‘a’. See below for details of operation in test mode.
LK5 Bit 5 link. Normally set to position ‘a’. Increases channel number display by 60 if set to
position.‘b’
LK6 Phase/Phantom link. Normally set to position ‘a’. Reverses default selection of remote control of
phase and +48 switches when set to position ‘b’.
Test Mode
Test mode is selected by moving LK4 (screened ‘TEST’) to position ‘b’.
In test mode:
• All front panel switches are local, regardless of the remote switch setting.
• Pressing both phase and Hi-Z switches will drive the motor on that channel anti-clockwise.
• Pressing both –20dB and 48V will drive the motor on that channel clockwise.
25-28/85-88
21-24/81-84
17-20/77-80
13-16/73-76
9-12/69-72
• All front panel displays have the same segments lit. The
displayed segments depend on the position of the rotary
BCD switch (accessible through the lid of the unit) and the
internal jumper, LK5. Table 2 (opposite) shows the available
displays.
29-32/89-92
33-36/93-96
37-40
41-44
45-48
49-52
53-56
57-60
5-8/65-68
1-4/61-64
0
• Normally the front panel displays are only written to when
the address is changed. In ‘Test’ mode they are updated
continuously to aid fault finding.
Page 17
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XLogic Mic Amp Owner’s Manual
Appendix B: Connector Pinouts
Mic Input
Channel Outputs 1 - 4
Location:
Front Panel
Location:
Rear Panel
Conn' Type: XLR Female
Conn' Type: XLR Male
Pin
Description
Chassis
Pin
Description
1
1
Chassis
2
Audio +ve
Audio -ve
2
Audio +ve
Audio -ve
3
3
Audio/Control
Location:
Rear Panel
Connector Type:
25-way D-type Female
Pin
Description
Notes
1
0V
0V
Screen 1
Screen 2
Red 1
Black 1
Red 5
Black 5
Red 2
Black 2
Red 6
Black 6
Screen 3
Screen 4
Red 3
Black 3
Red 7
Black 7
Red 4
Black 4
Red 8
14
2
3
Ch 1 Pos
Ch 1 Neg
Ch 1 Gain
Ch 1 Switch
Ch 2 Pos
Ch 2 Neg
Ch 2 Gain
Ch 2 Switch
0V
15
16
17
18
19
20
21
22
23
24
25
4
5
6
0V
7
Ch 3 Pos
Ch 3 Neg
Ch 3 Gain
Ch 3 Switch
Ch 4 Pos
Ch 4 Neg
Ch 4 Gain
Ch 4 Switch
8
9
10
11
12
13
Black 8
Screen 5*
Screen 6*
Screen 7*
Screen 8*
N/C
ID Bit 1
ID Bit 2
ID Bit 3
ID Bit 4
ID Bit 5
* Linking the appropriate pins to 0V will set the channel displays.
See Table 4 for details.
Inputs are pulled to +5V via 15K resistors.
Page 18
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Appendix
Appendix B: Connector Pinouts (continued)
Headphone Output
Location:
Front Panel
Conn' Type: Stereo 1/4" Jack Socket
Pin
Description
Tip
Ring
Sleeve
Audio Left +ve
Audio Right +ve
0V
Monitor In / Monitor Out
Location:
Rear Panel
Conn' Type: 6-way RJ11 Socket
Pin
Description
1
2
3
4
5
6
Monitor Bus -ve
Monitor Bus +ve
Mon Reset
0V
Talkback Bus/Input -ve
Talkback Bus/Input +ve
Remote 1 - 2
Remote 3 - 4
Location:
Rear Panel
Location:
Rear Panel
Conn' Type: 8-way RJ45 Socket
Conn' Type: 8-way RJ45 Socket
Pin
Description
Pin
Description
1
2
3
4
5
6
7
8
Ch 2 Switch Control
Ch 2 Gain Control
Ch 1 Switch Control
Ch 2 Overload
Ch 1 Overload
Ch 1 Gain Control
0V
1
2
3
4
5
6
7
8
Ch 4 Switch Control
Ch 4 Gain Control
Ch 3 Switch Control
Ch 4 Overload
Ch 3 Overload
Ch 3 Gain Control
0V
+12V
+12V
Page 19
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XLogic Mic Amp Owner’s Manual
Appendix B: Connector Pinouts (continued)
Table 3a - XL 9000 DL to 25way ‘D’ Wiring: Channels 1-8 / 25-32 / 49-56 / 73-80
Signal
Cable #
Colour
DL Audio
Pin
A1
DL Control
Pin
25wD Male
1-4
2
Channel 1 Positive
Channel 1 Negative
Channel 1 Screen
Channel 2 Positive
Channel 2 Negative
Channel 2 Screen
Channel 3 Positive
Channel 3 Negative
Channel 3 Screen
Channel 4 Positive
Channel 4 Negative
Channel 4 Screen
Channel 1 Gain control
Channel 1 Switch Control
Channel 2 Gain control
Channel 2 Switch Control
Channel 3 Gain control
Channel 3 Switch Control
Channel 4 Gain control
Channel 4 Switch Control
ID Bit 1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Red 1
Black 1
Screen 1
Red 2
Black 2
Screen 2
Red 3
Black 3
Screen 3
Red 4
Black 4
Screen 4
Red 5
Black 5
Red 6
Black 6
Red 7
Black 7
Red 8
B1
C1
A2
B2
C2
A3
B3
C3
15
1
4
17
14
7
20
6
A4
B4
C4
9
22
19
3
16
5
A1
B1
A2
B2
A3
B3
A4
B4
C1
C2
C3
C4
18
8
21
10
23
11*
n/c
n/c
n/c
Black 8
Screen 5
Screen 6
Screen 7
Screen 8
ID Bit 2
ID Bit 3
ID Bit 4
ID Bit 5
Signal
Cable #
Colour
DL Audio
Pin
A5
DL Control
Pin
25wD Male
5-8
2
15
1
Channel 5 Positive
Channel 5 Negative
Channel 5 Screen
Channel 6 Positive
Channel 6 Negative
Channel 6 Screen
Channel 7 Positive
Channel 7 Negative
Channel 7 Screen
Channel 8 Positive
Channel 8 Negative
Channel 8 Screen
Channel 5 Gain control
Channel 5 Switch Control
Channel 6 Gain control
Channel 6 Switch Control
Channel 7 Gain control
Channel 7 Switch Control
Channel 8 Gain control
Channel 8 Switch Control
ID Bit 1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Red 1
Black 1
Screen 1
Red 2
Black 2
Screen 2
Red 3
Black 3
Screen 3
Red 4
Black 4
Screen 4
Red 5
Black 5
Red 6
Black 6
Red 7
Black 7
Red 8
B5
C5
A6
B6
C6
A7
B7
C7
4
17
14
7
20
6
A8
B8
C8
9
22
19
3
16
5
A5
B5
A6
B6
A7
B7
A8
B8
C5
C6
C7
C8
18
8
21
10
23
n/c
24*
n/c
n/c
Black 8
Screen 5
Screen 6
Screen 7
Screen 8
ID Bit 2
ID Bit 3
ID Bit 4
ID Bit 5
* Pinout shown is for channels 1-24. For other bays connect id. bits as shown in Table 4.
Page 20
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Appendix
Appendix B: Connector Pinouts (continued)
Table 3b - XL 9000 DL to 25way ‘D’ Wiring: Channels 9-16 / 33-40 / 57-64 / 81-88
Signal
Cable #
Colour
DL Audio
Pin
D1
DL Control
Pin
25wD Male
9-12
2
Channel 9 Positive
Channel 9 Negative
Channel 9 Screen
Channel 10 Positive
Channel 10 Negative
Channel 10 Screen
Channel 11 Positive
Channel 11 Negative
Channel 11 Screen
Channel 12 Positive
Channel 12 Negative
Channel 12 Screen
Channel 9 Gain control
Channel 9 Switch Control
Channel 10 Gain control
Channel 10 Switch Control
Channel 11 Gain control
Channel 11 Switch Control
Channel 12 Gain control
Channel 12 Switch Control
ID Bit 1
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
Red 1
Black 1
Screen 1
Red 2
Black 2
Screen 2
Red 3
Black 3
Screen 3
Red 4
Black 4
Screen 4
Red 5
Black 5
Red 6
Black 6
Red 7
Black 7
Red 8
E1
F1
D2
E2
F2
D3
E3
G1
15
1
4
17
14
7
20
6
D4
E4
G2
9
22
19
3
16
5
D1
E1
D2
E2
D3
E3
D4
E4
F1
F2
G1
G2
18
8
21
10
23
11*
24*
n/c
n/c
n/c
Black 8
Screen 5
Screen 6
Screen 7
Screen 8
ID Bit 2
ID Bit 3
ID Bit 4
ID Bit 5
Signal
Cable #
Colour
DL Audio
Pin
D5
DL Control
Pin
25wD Male
13-16
2
15
1
Channel 13 Positive
Channel 13 Negative
Channel 13 Screen
Channel 14 Positive
Channel 14 Negative
Channel 14 Screen
Channel 15 Positive
Channel 15 Negative
Channel 15 Screen
Channel 16 Positive
Channel 16 Negative
Channel 16 Screen
Channel 13 Gain control
Channel 13 Switch Control
Channel 14 Gain control
Channel 14 Switch Control
Channel 15 Gain control
Channel 15 Switch Control
Channel 16 Gain control
Channel 16 Switch Control
ID Bit 1
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Red 1
Black 1
Screen 1
Red 2
Black 2
Screen 2
Red 3
Black 3
Screen 3
Red 4
Black 4
Screen 4
Red 5
Black 5
Red 6
Black 6
Red 7
Black 7
Red 8
E5
G7
D6
E6
G8
D7
E7
F7
4
17
14
7
20
6
D8
E8
F8
9
22
19
3
16
5
D5
E5
D6
E6
D7
E7
D8
E8
G7
G8
F7
F8
18
8
21
10
23
n/c
n/c
12*
n/c
n/c
Black 8
Screen 5
Screen 6
Screen 7
Screen 8
ID Bit 2
ID Bit 3
ID Bit 4
ID Bit 5
* Pinout shown is for channels 1-24. For other bays connect id. bits as shown in Table 4.
Page 21
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XLogic Mic Amp Owner’s Manual
Appendix B: Connector Pinouts (continued)
Table 3c - XL 9000 DL to 25way ‘D’ Wiring: Channels 17-24 / 41-48 / 65-72 / 89-96
Signal
Cable #
Colour
DL Audio
Pin
L1
DL Control
Pin
25wD Male
17-20
2
Channel 17 Positive
Channel 17 Negative
Channel 17 Screen
Channel 18 Positive
Channel 18 Negative
Channel 18 Screen
Channel 19 Positive
Channel 19 Negative
Channel 19 Screen
Channel 20 Positive
Channel 20 Negative
Channel 20 Screen
Channel 17 Gain control
Channel 17 Switch Control
Channel 18 Gain control
Channel 18 Switch Control
Channel 19 Gain control
Channel 19 Switch Control
Channel 20 Gain control
Channel 20 Switch Control
ID Bit 1
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
Red 1
Black 1
Screen 1
Red 2
Black 2
Screen 2
Red 3
Black 3
Screen 3
Red 4
Black 4
Screen 4
Red 5
Black 5
Red 6
Black 6
Red 7
Black 7
Red 8
K1
J1
L2
K2
J2
L3
K3
H1
L4
15
1
4
17
14
7
20
6
9
K4
H2
22
19
3
16
5
L1
K1
L2
K2
L3
K3
L4
K4
J1
18
8
21
10
23
11*
n/c
12*
n/c
n/c
Black 8
Screen 5
Screen 6
Screen 7
Screen 8
ID Bit 2
ID Bit 3
ID Bit 4
ID Bit 5
J2
H1
H2
Signal
Cable #
Colour
DL Audio
Pin
L5
DL Control
Pin
25wD Male
21-24
2
15
1
Channel 21 Positive
Channel 21 Negative
Channel 21 Screen
Channel 22 Positive
Channel 22 Negative
Channel 22 Screen
Channel 23 Positive
Channel 23 Negative
Channel 23 Screen
Channel 24 Positive
Channel 24 Negative
Channel 24 Screen
Channel 21 Gain control
Channel 21 Switch Control
Channel 22 Gain control
Channel 22 Switch Control
Channel 23 Gain control
Channel 23 Switch Control
Channel 24 Gain control
Channel 24 Switch Control
ID Bit 1
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
Red 1
Black 1
Screen 1
Red 2
Black 2
Screen 2
Red 3
Black 3
Screen 3
Red 4
Black 4
Screen 4
Red 5
Black 5
Red 6
Black 6
Red 7
Black 7
Red 8
K5
H7
L6
K6
H8
L7
K7
J7
L8
K8
4
17
14
7
20
6
9
22
19
3
16
5
J8
L5
K5
L6
K6
L7
K7
L8
K8
H7
H8
J7
18
8
21
10
23
n/c
24*
12*
n/c
n/c
Black 8
Screen 5
Screen 6
Screen 7
Screen 8
ID Bit 2
ID Bit 3
ID Bit 4
ID Bit 5
J8
* Pinout shown is for channels 1-24. For other bays connect id. bits as shown in Table 4.
Page 22
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Appendix
Appendix B: Connector Pinouts (continued)
Table 4 - Channel Address Bit Linking
Channel
Action
Channel
Action
Channels 1-4
Channels 5-8
Channels 9-16
connect pin 11
connect pin 24
connect pins 11, 24
Channels 49-52 connect pins 11, 12, 25
Channels 53-56 connect pins 12, 24, 25
Channels 57-60 connect pins 11, 12, 24, 25
Channels 61-64 connect pin 13 *
Channels 65-68 connect pins 11, 13 *
Channels 69-72 connect pins 24, 13 *
Channels 73-76 connect pins 11, 24, 13 *
Channels 77-80 connect pins 12, 13 *
Channels 81-84 connect pins 11, 12, 13 *
Channels 85-88 connect pins 12, 24, 13 *
Channels 89-92 connect pins 11, 12, 24, 13 *
Channels 92-96 connect pins 25, 13 *
Channels 13-16 connect pin 12
Channels 17-20 connect pins 11, 12
Channels 21-24 connect pins 12, 24
Channels 25-28 connect pins 11, 12, 24
Channels 29-32 connect pin 25
Channels 33-36 connect pins 11, 25
Channels 37-40 connect pins 24, 25
Channels 41-44 connect pins 11, 24, 25
Channels 45-48 connect pins 12, 25
* For channel numbers above 60 either connect pin 13 or set LK5 to position 'b'
The latter allows the use of standard 8 pair individually screened multicore
Page 23
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XLogic Mic Amp Owner’s Manual
Appendix C – Performance Specification
Conditions:
Source impedance 150Ω unless otherwise stated.
All measurements are RMS and are made using a 22Hz to 22kHz filter unless otherwise stated.
General
Gain:
Continuously variable from +18dB to +72dB with switchable 20dB pad
>1200Ω switchable to 8200Ω
Input Impedance:
Noise
Input terminated with 150Ω
Equivalent input noise:
Gain
70dB
50dB
40dB
30dB
18dB
EIN
–129dBu
–129dBu
–128dBu
–127.5dBu
–120dBu
Frequency Response
Measured reference level at 1kHz. Source impedance 50Ω.
Minimum Gain
Maximum Gain
0.1dB
20Hz to 20kHz
10Hz to 96kHz
10Hz to 200kHz
0.1dB
0.2dB
+0.2/–0.75dB
+0.2/–6dB
+0.2/–1dB
Common Mode Rejection Ratio (CMRR)
At minimum gain (+18dB), input level +6dBu, ground referenced:
Frequency
20Hz to 1kHz
10kHz
CMRR (dB)
> 75dB
> 60dB
At maximum gain (+72dB), input level –45dBu, ground referenced:
Frequency
20Hz to 1kHz
10kHz
CMRR (dB)
> 85dB
> 75dB
Page 24
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Appendix
THD + Noise
In all cases THD is essentially unmeasurable, being less than the inherent noise of the amplifier until the output
level exceeds +20dBu.
Note: All THD+N measurements at gains above +30dB made using 40dB resistive pad to minimise effect of
generator noise at low signal levels.
Gain +18dB, input level +0dBu, output level +18dBu
20Hz to 10kHz
20Hz to 20kHz
THD + N < 0.0007%
THD + N < 0.002%
(20Hz - 22kHz filter)
(80kHz filter)
Gain +30dB, input level –12dBu, output level +18dBu
20Hz to 10kHz
20Hz to 20kHz
THD + N < 0.004%
THD + N < 0.005%
(20Hz - 22kHz filter)
(80kHz filter)
Gain +70dB, input level –50dBu, output level +20dBu
20Hz to 10kHz
20Hz to 20kHz
THD + N < 0.03%
THD + N < 0.05%
(20Hz - 22kHz filter)
(80kHz filter)
Crosstalk
Channel to channel crosstalk, measured with one input terminated with 150Ω. All channels at +50dB gain. A test
tone of –30dBu is applied to any channel input except the one under test. Crosstalk is the ratio of level at the
output of the test channel and the output of the channel to which signal is applied:
@ 50Hz
@ 1kHz
@ 15kHz
< –105dB
< –105dB
< –90dB
Headroom
Headroom is defined at the output level at which THD exceeds 1%:
Headroom > +28dBu output level, 20Hz to 20kHz, any gain setting
Page 25
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XLogic Mic Amp Owner’s Manual
Appendix D – Calibration Information
The XLogic Mic Amp is factory calibrated and should only need calibration if a potentiometer or other
component has been replaced or if it is suspected that there is a problem with calibration.
In all of the following instructions it is assumed that the top cover has been removed and that power has been
applied. It is also assumed that unless otherwise specified, all switches are released and all potentiometers are at
unity, minimum or indent position as appropriate. The required accuracy for each adjustment will be specified
along with the target value.
All level and distortion measurements should be made with audio-band 20Hz to 20kHz filters unless otherwise
specified.
Microphone Input
Equipment Required:
Calibrated audio oscillator and audio level meter
50Hz sinewave @ –12dBu, common mode
Test Signal:
Input and Output:
Unit Setup:
Oscillator to Microphone Input and Mic Out to the audio level meter
Set the Microphone Gain to ‘36dB’
CMRR Trim
Adjustment:
On the 629601 card, adjust the following presets for minimum level (normally
< –40dBu):
Channel 1:
Channel 2:
Channel 3:
Channel 4:
VR1
VR2
VR3
VR4
Page 26
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Appendix
Appendix E – Physical Specification *
Depth:
325mm/12.8 inches not including heatsink
365mm/14.3 inches including heatsink
400mm/15.75 inches including connectors
Height:
44.5mm/1.75 inches (1 RU)
480mm/19 inches
Width:
Weight:
4.1kg/9 pounds
Power:
45 Watts/60 VA Max
Boxed size:
Boxed weight:
520mm x 520mm x 182mm (20.5" x 20.5" x 7.2")
6.4kg (14 pounds)
* All weights and dimensions are approximate
Appendix F – Environmental Specifcation
Temperature
Operating:
5 to 30 Deg. C
Non-operating:
Max. Gradient:
–20 to 50 Deg. C
15 Deg. C/Hour
Relative Humidity
Operating:
20 to 80 %
Non-operating:
Max. wet bulb:
5 to 90 %
29 Deg. C (non-condensing)
Vibration
Shock
Operating:
Non-operating, power off:
< 0.2 G (3 - 100Hz.)
< 0.4 G (3 - 100Hz.)
Operating:
Non-operating:
< 2 G (10mSec. Max.)
< 10 G (10mSec. Max.)
Altitude
Operating:
Non-operating:
0 to 3000m (above sea level)
0 to 12000m
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XLogic Mic Amp Owner’s Manual
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