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JDK Audio by API R20 Dual Channel Microphone Preamplifier

 
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    JDKA-R20
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Description

The JDK by API R20 is a dual channel, high quality microphone preamp, designed from the ground up by API's design team to offer a versatile high quality input for microphones as well as instruments.Each channel features both a mic and an instrument input, with switched phantom power, phase, and p... Read More

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Description

The JDK by API R20 is a dual channel, high quality microphone preamp, designed from the ground up by API's design team to offer a versatile high quality input for microphones as well as instruments.

Each channel features both a mic and an instrument input, with switched phantom power, phase, and pad. Metering is traditional analog VU.Features:
  • Dual Mic Preamplifiers with 54 dB of gain
  • Custom analog VU meters for monitoring output level
  • Front panel, high-impedance instrument input with 45 dB of gain
  • Peak indicator
  • Pad switch attenuates the microphone signal by 20 dB, or the instrument signal by 10 dB
  • Switchable 48v Phantom power
  • Low distortion, low noise circuitry
  • Fully balanced output, both 1/4 and XLR

The MP-R20 provides 2 channels of premium analog microphone pre-amplification designed to provide a low noise, solid front end for all audio applications. Meticulously detailed and solidly constructed, the R20 features custom analog VU meters and hands-on analog control of the gain level. Individual toggle switches control the selection of 48v, polarity, pad and a mic/instrument switch.

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Product Specs

InputsBalanced XLR Mic jack (rear); Un-Balanced 1/4 Instrument jack (front)
OutputsBalanced XLR and 1/4 parallel jacks
Microphone Input
Max Gain+55db (no pad), +36db (w/pad)
Min Gain+9db (no pad), -10db (w/pad)
Pot Gain Range46db
Pad-20db
Input Impedance6.8K Ohms
Bandwidth+/- 0.5db, 20Hz - 50kHz
THD+N @ 1kHz, +4dbu0.013%
Maximum Level+20dbu
Signal-to-Noise Ratio-90db
Instrument Input
Max Gain+31db (no pad), +21db (w/pad)
Min Gain+10db (no pad), 0db (w/pad)
Pot Gain Range21db
Pad-10db
Input Impedance500K Ohms
Bandwidth+/- 0.5db, 20Hz - 20kHz
THD+N @ 1kHz, +4dbu0.002%
Maximum Level+20dbu
Signal-to-Noise Ratio-80db
Current65mA, 7.3VoltAmps
Dimensions2U EIA 19 Rack
Height3.5 Inches
Width19 Inches
Depth10 inches
Weight12 lbs

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