Avalon VT-737sp

Beschrijving

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 | TRS connector, output trim gain -45dB to 20dB | (XLR connector by special request) | 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 | 482 x 305 x 89mm | Weight | 10kg | Dimensions-shipping carton | 533 x 457 x 203mm | Weight-packed | 11.8kg