Australian Monitor AMIS250 Mixer Amplifier

The Australian Monitor AMIS250 is a 6 channel, 250 watt mixer amplifier suitable for rack or desk mounting. The amplifier is a self contained compact unit of solid steel construction.

The AMIS250 has six universal input channels with separate level controls. Each channel will accept balanced or unbalanced microphone, line and auxiliary inputs.

The AMIS250 features 70 volt and 4 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 6 power amplifiers.

AMIS250 Specifications

• Power Output 250 watts RMS
• Maximum Load 20 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 with all controls at their centre position
• Tone Controls Bass @ 100Hz: Boost +12dB Cut -12dB; Mid @ 600Hz: Boost +12dB, Cut -12dB; Treble @ 10kHz: Boost +9dB Cut -9dB
• Inputs Six mic/aux universal inputs with XLR female mic sockets and dual RCA Phono aux sockets; 600 ohm transformer balanced telephone paging input
• Input Sensitivity Mics: 1mV @ 200 Ohms; Aux: 150mV @ 47K Ohms Outputs Speaker: 70 Volts, 4 Ohms; Tape: 350mV @ 10K Ohms; Line: Balanced 700mV
• Phantom Power 18 Volts DC on all Mic inputs
• Controls 6 Input channel gain controls, 1 Bass control, 1 Mid Control, 1 Treble control, 1 Master gain control, Phantom Power on/off switch (on rear panel)
• Indicators Power "on" and "Protect" LED
• Power Source 120VAC 60Hz 3 pin IEC connector; 24VDC
• Power Consumption 400 Watts
• Protection Current Limiter protection, plus AC and DC fuses
• Dimensions/Weight 3.5" H x 19" W x 13" D (Chassis Dimensions only). 33.1lb
• Rack Mounting Standard
• Tone Generators Built-in four tone generator module. Includes Bell, Pre-Announce, Alert and Evac Tones
• Muting Built-in VOX muting. Channels 1 and 2 will mute channels 3, 4, 5 and 6