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  Crown 135MA 3-Channel 35 Watt Commercial Mixer Amplifier

Crown 135MA 3-Channel 35 Watt Commercial Mixer Amplifier


 
Our Price: $159.00
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Product Code: 135MA
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Description
 
The Crown 135MA is a 3-channel, 35W, high-value mixer-amplifier for commercial audio. It provides 8-ohm and constant-voltage outputs of 70V and 100V. The 135MA features 3 inputs, each with its own volume control, provides 3 inputs, a 35W amplifier output, priority muting, voice activated muting, phantom power, and Bass and Treble controls.

Product Features


  • 3 inputs (each with a volume control), and one 35W amplifier output channel
  • Ideal for paging, background music, and music-on-hold
  • Balanced Phoenix-type mic/line input, telephone output, dual RCA stereo music inputs, screw-terminal speaker outputs
  • Priority muting by VOX or external switch
  • Bass and Treble controls on master output
  • Minimum Guaranteed Power into 8 ohms or 70V/100V Output: 35W
  • Frequency Response (at 1 watt from line out): 50Hz to 20kHz +/-1dB; 19Hz to 34kHz +0, -3dB
  • Signal to Noise Ratio (ref. to rated power, master volume at minimum):
  • Mic: > 58 dB.
  • Line: > 60 dB.
  • Telephone: > 60 dB.
  • Inputs 2 or 3 (and 4 in 160MA): > 78 dB
  • THD+N: <0.5% at rated power at 1kHz; 0.1 percent at 5W at 1kHz
  • Input Sensitivity (for full output at maximum gain):
  • Input 1: Mic 3mV, Line 800mV.
  • Input 2: 400mV.
  • Input 3: 400mV.
  • Input Impedance (nominal):
  • Mic: 2.2 kilohms.
  • Line: 10 kilohms.
  • RCA: 10 kilohms.
  • Crosstalk: -82dB at 1kHz (Ch. 1 line input 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 percent, -20 percent
  • Operating Temperature/Humidity: 0 C to 40 C at 95% relative humidity (non-condensing).
  • Storage Temperature: Storage Temperature: 20 C to 85 C.
  • Cooling: Convection cooled.
Dimensions:
  • Width: Half rack width 9.5 in.
  • Height (front panel): 3.5 in.
  • Height (including feet): 4.1 in.
  • Depth (front panel to back panel): 12.2 in.
  • Depth (front of knobs to back panel): 13.9 in.
  • Weight: 8 lb 2 oz net, 10 lb 16 oz shipping
Front Panel Controls and Indicators
  • Power Switch: Pushbutton on-off switch.Input Volume Controls: Four controls, one per input. Detented potentiometers with knobs.
  • Tone Controls: Bass and Treble non-detented recessed potentiometers under master output volume control. Bass 10 dB at 100 Hz, Treble 10 dB at 10 kHz.
  • Power Indicator: Blue LED indicates power on.
  • Input Signal Presence Indicators: Green LED, one above each channel's input attenuator, illuminates when input signal exceeds 40 dBu.
  • Input Signal Clip Indicators: Green LED, one above each channel's input attenuator, fl ashes brightly at threshold of audible distortion.
  • Output Signal Presence Indicator: Green LED above master output volume control illuminates when any input signal exceeds 40 dBu.
  • Output Signal Clip Indicators: Red LED above master output volume control fl ashes brightly at threshold of audible distortion.
  • Master Output Volume Control: Detented potentiometer with knob.
Back Panel Controls, Connectors and Indicators
  • AC Power Inlet: Detachable IEC accepts US or Euro style power cords.
  • Amplifier Output Connector: 4-position terminal barrier block with COM (Common), 8 ohms, 70V and 100V terminals.
  • Accepts up to 10 AWG terminal forks. Non-touch cover included.
  • Preamp Line Out Connector: 3-pin balanced Phoenix-type for connection to external amplifiers. Level independent of master volume control.
  • Input Connector 1: 5-terminal Phoenix connector. 3 terminals for balanced signal, 2 terminals for priority contact closure, which mutes other channels when DIP switch 3 is on
  • Input Connector 2: Unbalanced line-level RCA-type connectors.
  • Input Connector 3: Unbalanced line-level RCA-type connectors.
  • Telephone (MOH) Output Connector: 4-terminal Phoenix connector (2 terminals for 1W output to 8-ohm speaker, 2 terminals for 600-ohm output to PBX music-on-hold port).
  • MOH Level Control: Trim pot adjusts level for Music-On-Hold output from Telephone (MOH) Output Connector.
  • Amp Configuration DIP Switch: DIP switch selection for multiple functions.
  • 1. On: Sets CH1 to Mic Input. Off: Sets CH1 to Line Input.
  • 2. On: Sets CH1 to Normal mode (no priority).
  • 3. On: CH1 priority contact closure mutes other channels.
  • 4. On: CH1 VOX mutes other channels by sensing signal through Input 1.
  • 5. On: Routes CH1 to MOH output.
  • 6. On: Routes CH2 to MOH output.
  • 7. On: Routes CH3 to MOH output.
  • 8. On: 15V phantom power.
  • VOX Threshold: Trim pot controls how loud the voice on CH1 must be before muting other channels. Can be set for no muting.

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