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Avalon VT-737sp Class A Mono Tube Channel Strip

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22.00 LBS
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Product Description

Avalon VT-737sp

 Class A Mono Tube Channel Strip combines a tube microphone preamp, instrument DI, opto-compressor, and a 4-band parametric EQ. The VT-737sp not only offers incredible warmth, depth and character to digital recordings but it's a perfect front-end for digital audio workstations and broadcast studios.

Item Includes

  • Avalon VT-737sp Channel Strip
  • AC Power Cable
  • Vacuum tube triode signal path
  • High-performance microphone input transformer with +48V phantom power selection
  • Instrument DI high source input with front panel connector
  • High-gain switch boosts the overall gain of the preamplifier
  • Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls
  • Special spectral control including de-ess is available with the dual sweep mid EQ to side-chain switch
  • All discrete Class-A equalizer switchable between Pre/Post compressor
  • High- and low-frequency bands provide the smooth characteristics of an all passive design
  • Dual mid-bands include variable frequency and switched Q-width selection
  • Range of the mid-bands is extended into the high- and low-bands by the use of x10 frequency multipliers
  • Output level control provides a variable control of the overall signal path
  • Large VU meter for output level and compressor gain reduction monitoring
  • Switchable power supply
  • Circuit topology: 4 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: -92dB
  • Noise microphone EIN: -116dB, 22Hz-22kHz unweighted
  • Distortion THD, IMD: 0.5%
  • Frequency response -2.5dB: 10Hz-120kHz input filter included
  • Frequency response -3dB: 1Hz-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-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-28kHz and 2kHz -28kHz, ±6dB range, hi-lo Q
    Low mid - variable 30Hz-450Hz and 300Hz-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)

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