The MA1705 is a single rack space mixer amplifier designed for installation applications. The unit provides a compact and efficient way to mix up to three sources such as AM/FM tuners, CD players, and video players with up to two microphones. Priority talkover is provided on Microphone One for paging, and on Source Three for a jukebox, telephone, etc. The power amplifier provides 70 Watts of power when connected to a 70 volt speaker system.

Important Notice: The front panel acts as the heart sink for this unit and may get hot under a heavy load.

• Two Microphone inputs with phantom power.
• Tone controls for each Mic input.
• Three stereo Source inputs (mixed to mono).
• Bass and Treble controls on Sources Two and Three.
• Priority ducking on Mic Two and Source One.
• Dual pre-master level Record Output.
• Fault protected power amp.
• Balanced 70 volt line output.
• Spring-loaded output terminals.
• Clip indication.
• FR4 Double-sided epoxy circuit board.
• Socketed ICs.
• Made in the U.S.A.

• Mic: 600 Ohms XLR balanced
• Source: 22K Ohms RCA
• Insert: 22K Ohms 1/4" TS unbalanced

• Mic: -14 dBV Mic level Max
• Source: 24 dBV
• Insert: + 20 dB
• Connectors: 2: XLR, 6: Stereo RCA, 3: 1/4" TRS, 1: 1/4" TS
• Phantom Power: +12 VDC

• Mic: 60 dB
• Source: 26 dB
• Tone Controls: +/-12 dB 100 Hz Bass +/-12 dB 11kHz Treble
• Noise Floor: 80 dB
• S/N Ratio: 96 dB
• Priority Attenuation: 60 dB

• Recommended Load: 70 Volt line (70 Watts maximum)
• Frequency Response: 60Hz to 20 kHz
• Size (W x H x D): 19" x 1.75" x 5" (48 x 4.5 x 12.7)
• Weight: 5.5 lbs (2.5 kg)