LIMITED WARRANTY
This product is warranted to the original consumer purchaser to be free from
defects in materials and workmanship under normal installation, use and service for a
period of one (1) year from the date of purchase as shown on the purchaser’s receipt.
The obligation of Rolls Corporation under this warranty shall be limited to repair
or replacement (at our option), during the warranty period of any part which proves
defective in material or workmanship under normal installation, use and service, provided
the product is returned to Rolls Corporation, TRANSPORTATION CHARGES PRE-
PAID. Products returned to us or to an authorized Service Center must be accompanied by
a copy of the purchase receipt. In the absence of such purchase receipt, the warranty
period shall be one (1) year from the date of manufacture.
RM65b HEXMIX
Professional Audio Mixer
This warranty shall be invalid if the product is damaged as a result of deface-
ment, misuse, abuse, neglect, accident, destruction or alteration of the serial number,
improper electrical voltages or currents, repair, alteration or maintenance by any person or
party other than our own service facility or an authorized Service Center, or any use
violative of instructions furnished by us.
FX
FX
MONITOR BASS TREBLE PAN
MONITOR BASS TREBLE PAN
VOLUME
VOLUME
SEND
VOLUME
VOLUME
SEND
CLIP
CLIP
CLIP
CLIP
CLIP
CLIP
0
10
-
+
-
+
L
R 0
10
0
10
-
+
-
+
L
R 0
10
FX
SEND
FX
SEND
MONITOR BASS TREBLE PAN
MONITOR BASS TREBLE PAN
0
10
-
+
-
+
L
R 0
10
0
10
-
+
-
+
L
R 0
10
This one-year warranty is in lieu of all expressed warranties, obligations or
liabilities. ANY IMPLIED WARRANTIES, OBLIGATIONS, OR LIABILITIES,
INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER-
CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL BE
LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN
LIMITED WARRANTY. Some states do not allow limitations on how long an implied
warranty lasts, so the above limitation may not apply to you.
MASTER VOLUME
LEFT RIGHT
EFFECTS
RETURN
FX
MONITOR BASS TREBLE PAN
L
R
VOLUME
VOLUME
SEND
IP
+17
+8
0
HEADPHONE
OUTPUT
0
10
-
+
-
+
L
R 0
10
FX
SEND
MONITOR BASS TREBLE PAN
LIP
-4
PWR
-13
0
10
-
+
-
+
L
R 0
10
Professional
Audio Mixer
RM65b
IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL, INCIDENTAL
OR CONSEQUENTIAL DAMAGES FOR BREACH OF THIS OR ANY OTHER
WARRANTY, EXPRESSED OR IMPLIED, WHATSOEVER. Some states do not allow
the exclusion or limitation of special, incidental or consequential damages so the above
limitation or exclusion may not apply to you. This warranty gives you specific legal
rights, and you may also have other rights which vary from state to state.
FEATURES
• 6 XLR and 1/4” Inputs
• 1/4” Inputs may be configured as Insert jacks
• Individual 36 V Phantom Power
• Clip LEDs on each channel
• Input Trim, Monitor, FX Send and Pan on each channel
• Treble & Bass control on each channel
• Mono send, stereo return effects loop
• Stereo Aux Bus Input
• Headphone Output
ROLLS CORPORATION
SALT LAKE CITY, UTAH
5/03
OWNERS MANUAL
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SPECIFICATIONS
TREBLE: Controls the boost or cut of frequencies above 400 Hz for each channel.
PAN: Adjusts the amount of relative signal to the Right, Left or both Main Out
jacks.
FX SEND: Controls the amount of signal (post-volume control) that is sent for that
channel to the FX Send jack.
Input Impedance:
20K Ohms balanced
10K Ohms unbalanced (1/ 4")
50 OhmsTRS Balanced
+10 dBV XLR
Output Impedance:
Max Input Level:
+10 dBV 1/ 4"
MASTER CONTROLS
Phase Shift:
< 10 deg. 20 Hz - 20 kHz
XLR and 1/ 4"
36 Volts DC
1/ 4" main balanced +17 dB max
1/ 4" monitor +17 dB max
1/ 4" FX send
FX RETURN: Adjusts the amount of signal coming back into the FX Return jack.
MASTER VOLUME, RIGHT - LEFT: Controls the amount of signal sent out the
main Right and Left Output jacks, and sets the overall signal level except for the
Monitor Send and Effects Send jacks.
Input Connectors:
Phantom Power:
Outputs:
REAR PANEL
CHANNEL 6
CHANNEL 5
CHANNEL 4
CHANNEL 3
MIC
CHANNEL 2
CHANNEL 1
SERIAL NUMBER
MODEL RM65b
MIC
MIC
MIC
MIC
MIC
65-
STEREO
AUX BUSS
INPUT
LEFT
OUTPUT
RIGHT
OUTPUT
MONITOR STEREO
SEND FX RETURN SEND
FX
MADE IN U.S.A.
LINE/
TRIM INSERT
LINE/
TRIM INSERT
LINE/
TRIM INSERT
LINE/
TRIM INSERT
LINE/
TRIM INSERT
LINE/
TRIM INSERT
PHANTOM
POWER
6
5
4
3
2
1
1/ 4' TRS Stereo Headphone
60 dB bal/ unbal
55 dB
12 dB treb, bass cut/ boost, 1K Hz center
106 dB
< .003%
TRS STEREO
PLUG ONLY
TRS STEREO
PLUG ONLY
POWER
12 VAC
WARNING
:
DO NOT EXPOSE THIS EQUIPMENT TO RAIN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT NOT REMOVE BACK.
RISQUE DE CHOC
-
NE PAS ENLEVER
OR MOISTURE.
NO USER SERVICABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
Max Gain: (Mains):
(Monitor):
Tone controls:
Max S/ N Ratio:
THD:
POWER: Connects to the Rolls PS12 12VAC, 300mA power adapter.
1 - 6 CHANNEL MIC INPUTS: XLR input connectors for mic or line level signals.
1 - 6 CHANNEL LINE INPUTS: 1/4” input connectors for line level signals.
Each of these inputs may be reconfigured as INSERTS by moving jumper
connector for each channel located inside the RM65b.
TRIM: Adjusts the amount of input signal from the mic and line input jacks.
PHANTOM POWER: 6 switches for turning on the microphone phantom power for
the XLR inputs, and are numbered for the channel they are assigned to. DOWN is
on, UP is off.
AUX BUS IN: 1/4” TRS stereo input to the main mix bus, and may be used as an
auxiliary stereo input for joining two RM65s together.
IMD (SMPTE):
CMRR:
Power:
Weight:
Size:
< .003%
80 dB
AC adapter 12 VAC (Rolls PS12)
7 lbs (3KG)
19" x 1.75" x 6.5" (48cm x 4.5cm x 17cm)
FX SEND: 1/4” unbalanced jack for sending the signals assigned by each
channel’s FX Send control out to external effects.
FX RETURN: STEREO 1/4” Tip-Ring-Sleeve jack for inputting signals from
external effects devices. NOTE:THIS JACK IS STEREO ONLY - CONNECTING
A MONO 1/4”TIP-SLEEVE JACK WILL RESULT IN THE RETURN SIGNAL
BEING PRESENT ATTHE RIGHT OUTPUT ONLY.
NOTES:___________________________________________________________
MONITOR OUT: 1/4” unbalanced jack for sending signals assigned by each
channel’s monitor output control to an auxiliary amplifier or monitoring system.
RIGHT and LEFT OUTPUT: 1/4” TRS balanced jacks to be used as the unit’s
main outputs.
USING PHANTOM POWER
Phantom power is a means of powering condenser microphones through the micro-
phone cable. The RM65b has individually switchable 36 volts of phantom power for
each of its 6 channels through the XLR jacks. The DIP switches on the rear of the unit
are for switching the power on and off. When the little switch tab is down, the power is
on. The number on the switch corresponds to the channel that is receiving the power.
If phantom power is not needed, it should be switched off to avoid possible damage
5
to a microphone, or degraded sound quality.
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2
OPERATION
The RM65b is ideal for small combo groups where a small number of instruments and
microphones need to be mixed together. Refer to Figure 2 for an example of how to
connect the inputs and outputs of your RM65b. Connect microphones to balanced XLR
cables and to the XLR inputs. If any of these microphones are condenser microphones,
they will require phantom power. To turn on the phantom power for an individual channel,
set the phantom power switch for that channel to the ON (down) position. Instruments
may be played into a microphone which is connected as indicated above, or if you have
active pickups in your instrument, simply connect the output of your instrument to an
RM65b Line Input as the acoustic guitar is shown.
The RM65b may also be used for recording. Connect microphones, instruments, and
effects to the inputs as described above - the connect the Right and Left outputs to your
recording device and set the levels accordingly.
CONFIGURING THE 1/4” INPUTS AS INSERTS
NOTE:You are responsible for any damage that may occur during this process.
Carefully remove the seven screws that hold the lid of the RM65b to the chassis. Refer to
Figure 1 for the placement of the input to insert jumpers. To convert the 1/4” Input jack to
become an “Insert”, move the appropriate channel jumpers from INPUT to INSERT. Note
that channel 5 jumpers are moved perpendicular to their original placement for the Insert
position rather than parallel.
Electric guitars and basses normally are connected to an instrument preamplifier.
Amplifiers may have microphones placed in front of the speaker, or if the amp has a line
level output (check with the amplifier’s owners manual) - it may also be connected to the
mixer directly. Keyboards and sound modules are connected directly to the RM65b line
inputs as shown.
Figure 2
FX LOOP
To use the FX Loop, connect a 1/4” unbalanced cable to the FX Send and to the Input on
your signal processor or effects device. Connect the Outputs of the signal processor or
effects device to the RM65b FX Return jack. You will need an “Insert” type of cable (shown
to the rigth) to adapt the dual 1/4’ end connected
to your signal processor, to the 1/4’ TRS end of
the RM65b. The level of the effect will be con-
trolled by the settings on the channels’ FX Sends and by the Output
Level of your effects device, The overall level of the effect to the final mix
will be controlled by the FX Return level on the front of the RM65b.
MONITOR
CHANNEL
6
CHANNEL
5
CHANNEL
4
CHANNEL
MIC
3
CHANNEL
2
CHANNEL
1
SERIAL NUMBER
65-
MODEL RM65b
MADE IN U.S.A.
MIC
MIC
MIC
MIC
MIC
To use the Monitor feature of the RM65b, connect the Monitor Out jack to a monitor
amplifier via a 1/4” unbalanced cable. Each channel’s monitor level is controlled by that
channel’s Monitor level setting. Be aware that the RM65b has no master monitor level, so
you will need to set the overall monitor level with the monitor amplifier and the Monitor
Levels of each channel.
STEREO
AUX BUSS
INPUT
LEFT
RIGHT
MONITOR STEREO
FX
LINE/
TRIM INSERT
LINE/
TRIM INSERT
LINE/
TRIM INSERT
LINE/
TRIM INSERT
LINE/
TRIM INSERT
LINE/
OUTPUT
OUTPUT
SEND FX RETURN SEND
PHANTOM
POWER
TRIM INSERT
6
5
4
3
2
1
TRS STEREO
PLUG ONLY
TRS STEREO
PLUG ONLY
POWER
12 VAC
WARNING
:
DO NOT EXPOSE THIS EQUIPMENT TO RAIN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT NOT REMOVE BACK.
RISQUE DE CHOC
-
NE PAS ENLEVER
OR MOISTURE.
NO USER SERVICABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
VOLUME
MONITOR AMPLIFIER
Connect the Right and Left Main Outputs to the main amplifier(s) and make sure the
amplifier is the correct rating for the speakers. If you are operating in mono, use either the
Right or Left Output.
PWR
CLIP
CLIP
RA170
VOLUME
1
VOLUME
1
MAINS AMPLIFIER
0
10
1
5
30 100
0
10
1
5
30 100
PROTECT
WATTS
WATTS
CHANNEL CHANNEL
CHANNEL
3
CHANNEL CHANNEL
CHANNEL
6
1
2
4
5
INPUT INSERT INPUT INSERT INPUT INSERT
INPUT INSERT INPUT INSERT
INPUT
INSERT
Figure 1
3
4
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