Wednesday, March 23, 2011

Phoenix Audio DRS-1R 500-Series Microphone Preamp



The Phoenix Audio DRS-1R is a 500-Series version of the Phoenix Audio DRS-1. The DRS-1R makes no compromises sonically, or in terms of features compared to its rackmount brother. The DSR-1R uses on-board electronics to boost the +/- 16V rail of the 500 series to +24V to properly power the unit. This preamp features 70 dB of gain, a high-pass filter, and a DI input.

Phoenix Audio DRS-1 Microphone Preamp Features

  • With 240V/110V mains voltage input selector switch
  • Class A Output specs. See our TF1 Specifications!!
  • Output: XLR and TSR 1/4" Jack on rear
  • Phoenix Audio's unique Class A, transformerless, True balanced Mic input stage.
  • Microphone inputs: XLR's on Front and Rear Panels
  • Individual Earth Lift: Push-button switch

Phoenix Audio DRS-1 Microphone Preamp Specifications

  • 1U half rack space unit: With 240V/110V mains voltage input selector switch
  • Class A (TF1) Output specs. Frequency response: 20Hz to 20kHz +- 0.5dB, Maximum Output = +26dBu @ 1kHz, Noise = -90dB @ 20Hz to 20kHz.
  • Output connections: XLR's and TSR 1/4" Jack on rear
  • Phoenix Audio's unique Class A, transformerless, True balanced Mic input stage.
  • Microphone inputs: XLR's on Front and Rear Panels
  • Individual Earth Lift: Push-button Switches
  • Gain Range (Mic input): -30 to -70 in 5dB steps With 10dB more available on the fader.
  • Gain reduction: -20dB pad push-button switch (Mic input)
  • High Input Impedance DI: Mono 1/4" Jack on front panel
  • Gain Meter: LED Metering. (Green = 0dB, Red= +8dB, corresponding to "4" and "6" on a PPM Meter).
  • Phantom Power: Switchable phantom on Push-button Switch
  • High Pass Filter: on Push-button Switch
  • Phase Reverse: on Push-button Switch
  • Frequency Response Mic Input Stage: -0.4dB @ 40Hz, -0.3dB @ 25kHz
  • Frequency Response: DI Input Stage: -0.3dB @ 40Hz, - 0.5dB @ 25kHz
  • Typical Headroom: +24dB on Mic-Pre stage
  • DI Stage gain: Maximum of 20dB


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