Shure FP12

shure-fp12.png
shure-fp12.png

Shure FP12

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The FP12 is an in-line, battery-powered amplifier designed to accept a microphone or line-level signal and produce a signal sufficient to drive headphones at very loud levels. The FP12 is ideal for anyone in the broadcasting, sound reinforcement or audio recording fields who has a need for headphone monitoring or checking microphone- or line-level cable runs. In addition, the FP12 can be used to provide multiple headphone feeds, a two-station intercom, extra power for existing headphone circuits, or a means of practicing electronic instruments through headphones.

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Specs:

  • Frequency Response: 40 - 15,000 Hz
  • Equivalent Input Noise -118 dBV 
  • Voltage Gain: Lo-Z headphones; Mic 70 dB, Line 20 dB, Hi-Z headphones; Mic 96 dB, Line 46 dB
  • Total Harmonic Distortion: Less than 1% (40 Hz to 15 kHz; measured at 10 dB below clipping point)
  • Input Clipping Levels: Mic Input 200 mV (-14 dBV), Line Input 60V ( +35 dBV)
  • Output Clipping Levels: Lo-Z; 750 mV ( -2.5 dBV) (load resistance 4 ohms total; 8 ohms per earphone driver, parallel), Hi-Z; 15V ( + 23 dBV) (load resistance 1 k total; 2k per earphone driver, parallel)
  • Input Impedance: Mic; 7.5 kilohms ±10%, Line; 66 kilohms ±10%
  • Output Impedance: Lo-Z; 16 ohms ±10%, Hi-Z; 440 ohms ±10%
  • Phase: Input in phase with output. Pin 2 of Mic Input in phase with Phones (both phone jacks and mini jacks) tip and ring
  • Protection: Protected against damage from shorted outputs, (up to 5V [ + 14 dBV] input signals)
  • Power: 9V alkaline battery
  • Battery Life: Approximately 10 hours under normal operating conditions Current Drain (typical): 6 mAdc (idle); 72 mAdc (clipping)
  • Temperature Range Operating: 0 ° to 49°C (32° to120°F) Storage: -29° to 74°C ( -20° to 165° F)
  • Connectors: Input/Output Locking 3-socket XLR, Locking 3-pin XLR, 3-circuit phone jacks (2) Headphones Output: Phone jack (2) Mini Jack (2) Battery Test Insulated tip jacks; red (positive) and black ( negative)
  • Case: Die-cast zinc; matte black enamel
  • Overall Dimensions: 80.9 x 150 x 55.5 mm 
  • Net Weight 501 grams