Millennia Media

HV-37 Two Channel “500-style” Microphone Preamplifier

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  • Regular price R 29,171.95


HV-37

Two Channel “500-style” Microphone Preamplifier

Authentic Transparency for Unrestricted Creativity

  • A pair of HV-35 "500-style" preamp modules in a stand-alone 1U rack
  • Continuously variable gain control
  • Front panel instrument input
  • DC coupled ribbon mic with 10dB gain boost setting
  • 80 Hz rolloff filter
  • 48V phantom power
  • 15 dB Pad
  • Polarity flip
  • Internal power supply - 100 to 240V worldwide operation

 

Specifications

  • Minimum Gain: 14.5 dB, 1dB with Pad
  • Maximum Gain (continuously variable): 60 dB (70 dB in Ribbon Mode)
  • Frequency Response (-3 dB): < 10 Hz to  > 200 kHz, typical -1.0 dB @ 10 Hz, typical  -1.5 dB @ 200 kHz
  • Noise (60 dB Gain, 10 Hz - 30 kHz, Inputs common: -130 dB EIN

Total Harmonic Distortion + Noise

  • (35 dB Gain, 10 Hz - 20 kHz bandwidth, +24 dBu Out): < .003%, Typical < .001%

Inter-modulation Distortion

  • (50 Hz & 7 kHz) 35 dB Gain: < .0006% +12 dBu Out, < .001% +20 dBu Out

Phase Response

  • (35 dB Gain, 50 Hz - 20 kHz bandwidth, +27 dBu Out): < 2 degrees deviation

Common Mode Rejection Ratio

  • ( 35 dB Gain, 10 Hz - 20 kHz bandwidth, 100 mV C.M.): > 65 dB, Typ > 85 dB
  • Slew Rate (35 dB Gain, +24 dBu Out): > 25 Volts per microsecond
  • Maximum Input Level (20 Hz - 40 kHz): +12dBu @ 0.02% THD+N
  • +18dBu @ 0.02% THD+N with pad
  • Maximum Output Level 1 kHz @ 35dB of gain, THD+N is: < 0.001% at +26dBu output, < 0.05% @ +28 dBu output.
  • Phantom Input Impedance (1 kHz): 2,210 ohms
  • Output Impedance: 24.3 Ohms (x2)
  • Phantom Powering: 48V dc +/- 4V dc
  • Dimensions/Shipping Weight : 19" W x 1.75” H x 9” D, 13 lbs..