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The mixer/amplifier shall control and mix up to six input signals and

deliver an audio output of 120W into 8 Ohm, 25V, 70V, and 100V.

The amplifier output shall be transformer isolated with a frequency

response 50Hz to 20kHz (- 3dB) with less than 0.5% THD at rated

output. The output regulation shall be less than 2dB, no load to full

load. It shall be capable of operation from a 110/120 VAC 50/60Hz

line. The mixer/amplifier shall be convection cooled. The amplifier

shall have thermal and short circuit protection.

The mixer/amplifier shall have a switch-selectable MIC/TEL balanced

input to accept either low impedance microphone or Tel/Line Level

signals with -50/-10dBv sensitivity. The MIC/TEL input impedance

shall be 10k Ohms or 600 Ohms with optional input transformer. The

MIC/TEL input shall include an auto mute (VOX Mute) sensitivity

control. The MUTE SENSE control will allow threshold adjustment of

mute activation. The mixer/amplifier shall include 4 switch selectable

MIC/Line inputs. The MIC/Line input impedance shall each be 10k

Ohms. The mixer/amplifier shall have defeatable global Phantom

power. The mixer/amplifier shall include a stereo summing auxiliary

input, unbalanced, -10dBv, with dual-RCA jacks. The Auxiliary input

impedance shall be 10k Ohms. The mixer/amplifier shall include two

Zone 2 outputs, a 1W at 8 Ohms output and a transformer isolated

600 Ohm output with a maximum level of 1.5V. The Zone 2 outputs

shall be assigned to the auxiliary input and has one rear panel rotary

level control for both outputs. The mixer/amplifier rear panel input and

output interconnects shall be via Phoenix and terminal connectors.

The mixer/amplifier Mute assignment for Inputs 2-6 is via a rear

panel dipswitch. Input Mute is accomplished via the REMOTE MUTE

function, controlled by an external switch closure or via Input 1 VOX.

The Mute assignment shall not affect the Zone 2 output.

The mixer/amplifier shall have a 400Hz 6dB per octave low cut filter.

The filter can be defeated via the dipswitch located on the rear panel.

When engaged, the Bass Tone control is bypassed. The mixer/

amplifier shall have a Tape-Out RCA unbalanced output. The Tape

-Out shall be Pre Tone and the Low Cut Filter. The mixer/amplifier

shall have a Line A and B RCA unbalanced output. The Line outputs

are POST Master Level, tone controls, Low Cut Filter and Power Amp

In. The mixer/amplifier shall have a Pre-Out RCA unbalanced output.

The Pre Out shall be POST Tone, Low Cut Filter and Pre Master

Level. The mixer/amplifier shall have a Power Amp input for use with

an external signal processor. The Power Amp In shall be Pre Master

Level. Both the Line and Pre Outputs shall be calibrated to 0dBv and

equals 1V RMS out.

1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A.

TELEPHONE: (800) 876-3333 / FAX (800) 765-3435

ARCHITECT AND ENGINEER SPECIFICATIONS

Specifications subject to change without notice

Printed in U.S.A.

The mixer/amplifier shall incorporate a balanced Bridge input/output

allowing multiple amplifiers to be combined on one mixed bus. The

Bridge input shall be activated via an external switch closure. The

mixer amplifier shall incorporate VCA remote level control circuitry

for either Master or Auxiliary level via an optional external 10K

potentiometer.

The AA120 front panel shall include volume controls for Inputs 1-6

and one Master Level control. System Signal, Peak and Power LEDs

shall also be incorporated. The mixer/amplifier front panel shall also

include Bass and Treble tone controls (100Hz and 10kHz, ±10dB).

The tone controls shall not affect the Zone 2 output. The mixer/

amplifier front panel shall include an AC Mains power switch.

A rear panel AC receptacle (unswitched) shall be included for

connection of external equipment. Dimensions (W x H x D) shall be

16.54" (42.01cm) x 4.21" (10.7cm) x 14.06" (35.71cm). Net weight

shall be 26.44 lbs (12kg). Front panel finish and material shall be

black ABS resin and case finish and material shall be black powder

coated sheet steel.

The mixer/amplifier shall be Atlas Sound Model AA120.

The optional rack-mount bracket kit shall be an Atlas Sound

AARMK2-0.

The optional input one transformer shall be an Atlas Sound AAIT-600.

The optional level security covers shall be an Atlas Sound AAVCC-5.

The optional VCA 10kΩ level control shall be an Atlas Sound

AAVC-10K.

AtlasSound.com

ATS002449 RevA 11/06

SL5-2091