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Description

The AMIS120 is a 4 channel, 120 watt mixer amplifier suitable for rack or
desk mounting. The amplifier is a self contained compact unit of solid
steel construction.

Inputs

The AMIS120 has four universal input channels with separate level
controls. Each channel will accept balanced or unbalanced microphone,
line and auxiliary inputs. The unit has industry standard XLR microphone
sockets and dual RCA auxiliary sockets for each channel. An
electronically-balanced 600 ohm telephone input for paging is also
provided. An insert point is also featured on the rear panel for those
applications where an additional EQ or feedback eliminator may be
required.

Outputs

The AMIS120 features 70 volt, 4 & 8 ohm isolated transformer outputs,
plus a tape recorder output by means of dual RCA sockets. A balanced
700mV XLR output is also provided to feed up to six power amplifiers. A
vox triggered relay output is also available on the rear panel for
activation of external devices from the vox muting circuit. In most cases
this would be used as a muting bypass relay, which when used with the
appropriate external attenuator will maintain paging levels irrespective of
the attenuator setting.

VCA Control

The master volume can be controlled remotely. External VCA control
would normally be via a pot connected to a two wire rear panel barrier
strip.

Speaker Zone Selector

A six position push button speaker zone selector with overriding “all call”
is located on the front panel. Each of the six zone selectors switch the 70
volt speaker line output to six separate speaker zones. The “all call”
selector overrides all 6 zones regardless of their on/off condition and
places the 70 volt output to all six zones.

Tone Generator

The AMIS120 comes standard with an in-built four tone generator
module. Tones include Bell, Pre-Announce Chime, Alert Tone and
Evacuate Tone. Any of these tones may be activated from a simple
contact closure connected to the rear panel of the amplifier. A Pre-
announce defeat switch is located on the front panel.

Muting

VOX muting is standard on the AMIS120. A mic or line signal on channels
1 or 2 will mute channels 3 and 4. The muting function can be disabled
via an internal link.

SPECIFICATIONS
Power Output

120 Watts RMS

Maximum Load

40 Ohms @ 70 Volts

Power Bandwidth

60Hz - 17kHz (- 3dB)

Frequency Response

60Hz - 23kHz (- 3dB)

Total Harmonic Distortion

 0.5% @ 1kHz
rated power

Signal To Noise Ratio

-74dB all controls  center

Tone Controls

Bass @ 100Hz
Boost +12dB Cut -12dB
Treble @ 10kHz
Boost +9dB Cut -9dB

Input Sensitivity

Mics: 1mV @ 200 Ohms
Aux: 150mV @ 47K Ohms

Outputs

Speaker: 70 Volts , 4 & 8 Ohm
Tape: 350mV @10KOhms
Line: Balanced 700mV

Phantom Power

18V DC on  Mic ins- Switch

Controls

4 input channel gain
1 Bass control
1 Treble control
1 Master gain control
6 Speaker zone selector
1 Speaker “all call” selector
1 Pre-announce defeat switch
1 Phantom Power switch

Tone Generators

Four tone generator with Bell
Pre-Announce, Alert and Evac

Protection

Soft limiter for overload
protection, plus AC and
DC fuses

Muting

Channels 1 and 2 will
mute channels 3 and 4

Indicators

Power “on” LED

Power Source

120VAC 60Hz
3 pin IEC connector; 24VDC

Power Consumption

250 Watts

Dimensions

3.5" H x 19" W x 13" D

AMIS 120

AMIS 120

AMIS 120

AMIS 120

AMIS 120

4 Input 120 Watt MIXER-AMPLIFIER

Weight

26.5lb

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