JDK - R20 Agrandir l'image
Inputs: Balanced XLR Mic jack (rear) Un-Balanced
1/4" Instrument jack (front)
Outputs: Balanced XLR and 1/4" parallel jacks
Power Consumption, Quiescent: .66 Watts
Microphone Input:
Max Gain: +55 dB (no pad), +36 dB (w/pad)
Min Gain: +9 dB (no pad), -10 dB (w/pad)
Pot Gain Range: 46 dB
Pad: -20 dB
Input Impedance: 6.8K Ohms
Bandwidth: +/- 0.5 dB, 20 Hz - 50 kHz
THD+N @ 1 kHz, +4 dBu: 0.013%
Maximum Level: +20 dBu
Signal-to-Noise Ratio: -90 dB
Instrument Input:
Max Gain: +31 dB (no pad), +21 dB (w/pad)
Min Gain: +10 dB (no pad), 0 dB (w/pad)
Pot Gain Range: 21 dB
Pad: -10 dB
Input Impedance: 500K Ohms
Bandwidth: +/- 0.5 dB, 20 Hz - 20 kHz
THD+N @ 1 kHz, +4 dBu: 0.002%
Maximum Level: +20 dBu
Signal-to-Noise Ratio: -80 dB
Current: 65 mA, 7.3 VoltAmps
Dimensions:
Fits: 2U EIA 19" Rack
Size: 19" X 3.5" X 12" Deep
Size (Boxed for Shipping): 21" X 9" X 15"
Actual Weight: 11.93 lbs
Shipping Weight: 15.39 lbs
(Specifications subject to change without notice)

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JDKRDU523R

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JDK - R20

JDK Audio

2 Channel Mic Pre

The JDK Audio 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.

Features And Specs

Inputs: Balanced XLR Mic jack (rear) Un-Balanced
1/4" Instrument jack (front)
Outputs: Balanced XLR and 1/4" parallel jacks
Power Consumption, Quiescent: .66 Watts
Microphone Input:
Max Gain: +55 dB (no pad), +36 dB (w/pad)
Min Gain: +9 dB (no pad), -10 dB (w/pad)
Pot Gain Range: 46 dB
Pad: -20 dB
Input Impedance: 6.8K Ohms
Bandwidth: +/- 0.5 dB, 20 Hz - 50 kHz
THD+N @ 1 kHz, +4 dBu: 0.013%
Maximum Level: +20 dBu
Signal-to-Noise Ratio: -90 dB
Instrument Input:
Max Gain: +31 dB (no pad), +21 dB (w/pad)
Min Gain: +10 dB (no pad), 0 dB (w/pad)
Pot Gain Range: 21 dB
Pad: -10 dB
Input Impedance: 500K Ohms
Bandwidth: +/- 0.5 dB, 20 Hz - 20 kHz
THD+N @ 1 kHz, +4 dBu: 0.002%
Maximum Level: +20 dBu
Signal-to-Noise Ratio: -80 dB
Current: 65 mA, 7.3 VoltAmps
Dimensions:
Fits: 2U EIA 19" Rack
Size: 19" X 3.5" X 12" Deep
Size (Boxed for Shipping): 21" X 9" X 15"
Actual Weight: 11.93 lbs
Shipping Weight: 15.39 lbs
(Specifications subject to change without notice)

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JDK - R20

JDK - R20

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