Avalon Design VT-747SP

Avalon VT-747SP stereo opto compresor con EQ

CLASS A, VACUUM TUBE-DISCRETE TWIN SIGNAL PATH OPTO-COMPRESSOR-EQUALIZER VT-747SP FEATURES Stereo Class A opto-compressor with spectral control Stereo Class A six band discrete passive program EQ TSP twin signal path, vacuum tube bypass Low noise -92dB Fully balanced Class A input and DC coupled outputs Stereo dynamic 60dB high resolution output meters High quality analog VU meter for gain reduction High headroom+36dB input before overload Spectral side-chain monitor for pre listen EQ pre-post selection for opto-compressor Sealed silver relays for all signal routing Internal discrete regulated power supplies Military spec vacuum tubes for long life and low noise

Circuit topology Three (3) dual triode vacuum tubes (Sovtek 6922), high-voltage discrete Class A mode.
Input gain range Balanced, Class A, 20k ohms, -20dB to +16dB with high gain switch
Maximum input level +36dB balanced XLR pin 2 hot
Maximum output level +30dB balanced 600 ohms, DC coupled, discrete Class A
Output type XLR connector, output trim gain -45dB to +6dB
Noise 20kHz unweighted -92dB
Distortion THD, IMD 0.5%
Frequency response -3dB 1Hz to 200kHz
Gain reduction meter High quality, illuminated gain reduction meter 0dB to -20dB range
Output meter Twin 20 segment LED VU meters with -27dB to +30dB range
Compressor type Optical passive attenuator
Make-up gain Variable 0dB to +10dB stereo tracking
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
Side-chain spectral contour Variable threshold -15dB to +15dB, frequency 70Hz to 9kHz twin ranges
Equalizer type Discrete Class A, passive design optimized for full range program material
Frequency bands (6) Variable amplitude LF +/-24dB 15Hz shelf response
Variable amplitude MF1 +/-8dB 125Hz selected Q response
Variable amplitude MF2 +/-4dB 500Hz selected Q response
Variable amplitude MF3 +/-4dB 2kHz selected Q response
Variable amplitude MF4 +/-10dB 5kHz shelf response
Variable amplitude HF +/-20dB 32kHz shelf response
AC power Internal toroidal 100v to 240v, 50-60Hz selectable, 70 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)