Mackie Stereo Amplifier AM4060 User Manual

AM4060  
Integrated Mixer/Amplifier  
AM 4000 Series  
I The AM4060 is designed for continuous duty  
in speech, music, paging and sound reinforcement  
applications in churches, schools, offices, arenas, hotel  
meeting rooms, convention centers, recreation facilities  
and other venues demanding high performance, flexible  
features and rugged dependability.  
I Four microphone inputs are actively balanced, have  
XLR connectors, and can be programmed to interrupt or  
attenuate the line level inputs. Microphone inputs 24  
feature switched 24V phantom power and switched  
high-pass and low-pass lters. Microphone Input 1 can  
be switched to line level, set to have priority over all  
inputs, and can be activated by either VOX with an  
adjustable threshold or a contact closure. Activation of  
any microphone override provides 18Vdc (300mA) at a  
barrier connector on the rear panel, which may be used  
to drive LEDs or relays. Two unbalanced, stereo Aux  
inputs are internally summed to mono and selected by  
a switch on the front panel. Two unbalanced Tape (auxil-  
iary) line level outputs with a level control and an  
unbalanced signal processing loop are also provided.  
All are terminated to RCA connectors.  
Features  
I 4 Lo-Z, XLR Microphone Inputs  
I 2 Stereo Auxiliary Inputs  
I 60 Watt RMS, Convection Cooled  
I 4- 25V - 50V - 70V - 100V Outputs  
I Switched 24V Phantom and H-P/L-P Filters  
I 2 Tape/Aux Outputs with Level Trim  
I Signal Processing Loop  
I Output modes include 4and 25V, 50V, 70V and  
100V constant voltage. The smart output stage is fully  
protected against permanent damage caused by over-  
loading, shorts and extreme temperatures. The AM4060  
will operate on either 115 or 230VAC, 50/60Hz sup-  
plied by a detachable IEC power cord. Insulated termi-  
nals to connect a backup 24Vdc battery are provided  
on the rear panel. Switchover to DC is automatic.  
I The front panel provides level controls for each  
Mic, selected Aux and Master volume, as well as the  
Bass and Treble shelving lters. The control knobs can  
be easily removed for security, and their recessed  
shafts covered with inserts supplied with the unit. LEDs  
indicate power, signal present at the output, peak and  
output overload. 12dB/octave Bass and Treble shelving  
equalization with up to 12dB of boost or cut at 100Hz  
and 10kHz can be applied to the output signal.  
I Accessories include an easily installed chime.  
I This Mackie Industrial product is covered by an  
exclusive, one-time, NO FAULT repair policy in addition  
to a ve year limited warranty.  
I 2 RU Rack-Mounting Kit included  
I Automatic 24Vdc Backup Power Input  
I Foreground/Background Music Systems  
I Sound Reinforcement Systems  
I Paging Systems  
I Continuous-duty Applications  
O F 4 P A G E S  
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AM4060 Integrated Mixer/Amplier  
O F 4 P A G E S  
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AM4060 Integrated Mixer/Amplier  
Architects’ and Engineers’ Specifications  
100Hz and the treble xed at 10kHz. LED status indicators  
The integrated mixer/amplier shall have a nominal out-  
put power of at least 60W RMS. It shall operate on 115VAC or  
230VAC at either 50Hz or 60Hz and have its source power  
supplied by a detachable IEC power cord. In addition the unit  
shall be capable of being directly powered by a 24Vdc  
source, such as storage batteries. It shall have a power  
switch on the front panel. The unit shall have a constant-  
impedance output to drive a 4load at its rated output. It  
shall also have 25V, 50V, 70V and 100V constant-voltage out-  
puts with like performance.  
shall be provided on the front panel to indicate power, signal  
present at the output terminals, peak signals near clipping  
and an overload condition.  
The integrated mixer/amplier shall be a model AM4060,  
manufactured by Mackie Industrial.  
Inputs to the unit shall include: at least four actively bal-  
anced microphone; two unbalanced, stereo Aux; and an  
unbalanced signal processing return. Outputs shall include:  
at least two unbalanced Tape (auxiliary) jacks with a com-  
mon, continuously variable level control; and one signal pro-  
cessing send. Balanced connections shall be made through  
XLR connectors and unbalanced connections through RCA  
connectors.  
Microphone Input 1 shall have adjustable sensitivity  
between mic and line, selected by a switch on the rear panel.  
This input shall also be programmable to completely exclude  
or attenuate all other inputs when its priority link is activated  
by either a contact closure or a VOX circuit, with a continu-  
ously adjustable threshold. The XLR connector for Input 1  
shall be wired, in parallel, to a barrier strip on the rear panel.  
Microphone inputs 2-4 shall have a 24V phantom powering  
circuit that can be disabled with a switch on the rear panel.  
These inputs shall be equipped with a high-pass lter and a  
low-pass lter having a response of 12dB/octave and xed  
3db points at 300Hz and 7kHz, respectively. Each of these  
lters shall be enabled by a switch on the rear panel.  
Additionally, these inputs shall be programmable to com-  
pletely exclude or attenuate all other inputs except for micro-  
phone input.  
Two auxiliary voltage outputs shall be provided on the  
rear panel to drive accessory relays and LEDs. The relay out-  
put shall deliver +18Vdc at 300mA. Voltage shall go high  
when any microphone priority function is active.  
The unit shall have, on its front panel, continuously vari-  
able controls for each microphone input, an auxiliary input  
selector switch, a master volume control, as well as bass and  
treble shelving lter controls. The shelving lters shall have a  
range of 12dB, with the frequency for the bass xed at  
Electronic les for this product available at:  
This Specication Sheet  
Quick-Start Manual  
Owner/Operators Manual  
AM4060.PDF  
AM4060QS.PDF  
AM4060ML.PDF  
Mackie Designs continually engages in research related to product improvement. New material, produc-  
tion methods, and design refinements are introduced into existing products without notice as a routine  
expression of that philosophy. For this reason, any current Mackie Industrial product may differ in some  
respect from its published description, but will always equal or exceed the original design specifications  
16220 Wood-Red Rd. NE, Woodinville, WA 98072 USA  
888.337.7404, fax 425.487.4337, [email protected]  
unless otherwise stated. ©1999-2001 Mackie Designs Inc. All rights Reserved.  
and  
are  
registered trademarks of Mackie Designs Inc. Mackie Industrial is a trademark of Mackie Designs Inc.  
part no. 910-139-10 Rev.B  
UK +44.1268.571.212, fax +44.1268.570.809, [email protected]  
ITALY +39.0522.354.111, fax +39.0522.926.208, [email protected]  
FRANCE +33.3.8546.9160, fax +33.3.8546.9161, [email protected]  
GERMANY +49.2572.96042.0, fax +49.2572.96042.10, [email protected]  
O F 4 P A G E S  
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