Description
Crown's 135MA and 160MA are high value mixer-amplifiers for commercial audio. They provide 8-ohm and constant-voltage outputs (70V and 100V). Typical uses are paging, background music, and music-on-hold. The 135MA provides 3 inputs (each with a volume control) and a 35W amplifier output. The 160MA provides 4 inputs (each with a volume control) and a 60W amplifier output. Other features include priority muting, voice activated muting, phantom power, and bass and treble controls.
- Frequency Response (at 1 watt from line out): 50 Hz to 20 kHz +/-1 dB, 19 Hz to 34 kHz - 3 dB
- Signal to Noise Ratio (ref. to rated power, master volume at minimum): Mic: > 58 dB, Line: > 60 dB, Telephone: > 60dB, Inputs 2 or 3: > 78 dB
- THD+Noise < 0.5% at rated power at 1 kHz, < 0.1% at 5W at 1 kHz
- Input Sensitivity (for full output at miximum gain): Input 1: Mic 3mV, Line 800 mV, Input 2: 400mV, Input 3: 400mV
- Input Impedance (nominal) Mic: 2.2 kilohms, Line: 10 kilohms, RCA: 10 kilohms
- Crosstalk -82 dB at 1 kHz (Ch. 1 line inpute 0.8V, Ch. 1 volume at minimum, other channel volumes at maximum)
- Line Output Level (nominal) 1V into 10 kilohms
- Phantom Power 15 VDC
- AC Line Voltages Available Universal Power Supply. Line voltage tolerance +15%, -20%
- Operating Temperature/Humidity 0 degrees C to 40 degrees C at 95% relative humidity (non-condensing)
- Storage Temperature -20 degrees C to 85 degrees C
- IEC Power Connector 15A
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