Frequency Response: ±1.5 db, 30-20,000 cycles
Harmonic Distortion: At 25 db of compression: Less than 1.5%, 35-15,000 cycles;
At 30 db of compression: Less than 2.5%, 25-10,000 cycles;
Noise Level: 74 db (at 50Hz )below rated output (—111 dbm equivalent input noise)
Input Impedance: 10,000 ohms bridging transformer (ungrounded)
Source Impedance: Any up to 10,000 ohms
Load Impedance: 600 ohms
Maximum Compression: 30 db
Attack Time Adjustable : 10ms to 110ms
Release Time Adjustable: .3 to 1.3 seconds
Threshold: 2:1 to 4:1
Compression Ratio: 2:1 to 4:1
Meter : Compression, Vu output
Controls: att input, output level -0 db to -30db , threshold, attack, release, vu meter selection, comp off,
Power Supply: 220Vac 50Hz
Tubes: 6BC8, 6CG7, 6AL5