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code: 750.AVL.010.VAL

The Avalon VT-737SP features a combination of TUBE preamplifiers, opto-compressor, sweep equalizer, output level and VU metering in a 2U space.

  • Circuit topology
    Four dual triode vacuum tubes (Sovtek 6922), high-voltage discrete Class A
  • Gain Range
    Microphone: Transformer balanced 850/2500 ohm, 0dB to +58dB
    Instrument: Unbalanced 1 meg ohm, 0dB to+30dB Line: Balanced Class A 20k ohms, -27dB to 28dB
  • Maximum input level and connector types
    Microphone26dB@25Hz, +30dB@1kHz balanced XLR Instrument+30dB unbalanced front panel jack socket
    Line +36dB balanced XLR
  • Maximum output level
    +30dB balanced 600 ohms, DC coupled, discrete Class A
  • Output type and gain
    XLR connector, output trim gain -45dB to20dB
  • Noise 20kHz unweighted
  • Noise microphone EIN
    -116dB, 22Hz to 22kHz unweighted
  • Distortion THD, IMD
  • Frequency response -/2.5dB
    10Hz to 120kHz input filter included
  • Frequency response -3dB
    1Hz to 200kHz line in-out
  • VU meter and gain reduction
    High quality illuminated OVU =+4dB and gain reduction to -20dB
  • High cut filter
    Variable 6dB per octave 30Hz to 140Hz
  • Compressor type
    Optical passive attenuator incorporating twin vacuum tubes and stereo link
  • Threshold - Ratio
    Threshold variable -30dB to +20dB, ratio-compression variable 1:1 to 20:1
  • Attack - Release
    Attack variable 2mS to 200mS, release variable 100mS to 5 seconds
  • Equalizer type
    Discrete Class A, variable active and switched passive design
  • Frequency bands (4)
    Treble - switched 10kHz, 15kHz, 20kHz, 32kHz, +/- 20dB range, shelf High mid - variable 200Hz to 2k8Hz and 2kHz to 28kHz, +/- 16dB range, hi-lo Q Low mid - variable 30Hz to 450Hz and 300Hz to 4k5Hz, +/- 16dB range, hi-lo Q Bass - switched 15Hz, 30Hz, 60Hz, 150Hz, +/- 24dB range, shelf
  • AC power
    Internal toroidal 100v to 240v, 50-60Hz selectable, 75 watts maximum
  • Dimensions
    19 x 12 x 3.5 in (482 x 305 x 89mm)
  • Weight
    22lbs (10kg)
  • Dimensions-shipping carton
    21 x 18 x 8 in (533 x 457 x 203mm)
  • Weight-packed
    26lbs (11.8kg)

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Stock: 2

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