R20 2 Channel Mic Pre
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R20
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.
Specifications
- 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
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