Circuit topology: 3 vacuum tubes (Sovtek 6922)
High-voltage discrete Class A mode
Input gain range: Balanced, -20dB to +16dB
Maximum input level: +36dB balanced
Maximum output level: +30dB balanced
Output Impedance: 600 ohms, DC coupled
Output Trim: -45dB to +6dB
Noise 20kHz unweighted: -92dB
Distortion THD, IMD: 0.5%
Frequency response: -3dB 1Hz to 200kHz
Gain reduction meter: 0dB to -20dB range
Output meter: -27dB to +30dB range
Compressor type: Optical passive attenuator
Make-up gain: Variable 0dB to +10dB
Threshold: variable -30dB to +20dB
Ratio: variable 1:1 to 20:1
Attack: variable 2mS to 200mS
Releae: variable 100mS to 5 seconds
Side-chain spectral contour: threshold -15dB to +15dB
frequency 70Hz to 9kHz
Equalizer type: Discrete Class A, passive
Frequency bands (6): Variable amplitude
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, 70W
Dimensions: 19 x 12 x 3.5 in (482 x 305 x 89mm)
Weight: 22lbs (10kg)
Dimensions-shipping box: 21 x 18 x 8 in (533 x 457 x 203mm)
Weight-packed: 26lbs (11.8kg)