Avalon VT-747SP

• 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
   

Physical Specifications

• Dimensions: 482 x 305 x 89mm
• Weight: 10kg