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Avalon VT-737SP

฿ 144,000
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SKU
AVL-737SP

mono Class A mic preamplifier-compressor-EQ

Avalon VT-737SP
Avalon VT-737SP Avalon VT-737SP

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

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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    Microphone: 26dB@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 to 20dB
Noise 20kHz unweighted    -92dB
Noise microphone EIN    -116dB, 22Hz to 22kHz unweighted
Distortion THD, IMD    0.5%
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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