ESC
A-322C

A-322C

BrandAltec, Altec Lansing
ManufacturerAltec Lansing Corporation
FunctionDynamics (Limiter Amplifier)
Produced1949-1953
CountryUnited States
Model IDA-322-C
Form Factor19" Rackmount
Signal PathAnalog Hardware
Dimensions48.3 × 26.7 × 0 cm (W × H × D)
Weight25lbs
Power6,3V 2A, 275VDC 100mA
Frequency Response20Hz-20kHz ±1dB
Gain (EQ Out)68dB
Gain (EQ In)60dB
Limiting Threshold (Normal)+17.2dB
Limiting Threshold (Normal)+25.2dBm
Limiting Threshold (High)+25.2dB
Limiting Threshold (High)+33.2dBm
Limiting Ratio10:1
Attack Time0.2ms
Release Time0.5s (Adjustable by changing value of resistor R27)
Input Impedance600Ω
Output Load Impedance600Ω
Hum & Noise (EQ Out)-37dBm
Hum & Noise (EQ Out)-45dB
Hum & Noise (EQ In)-44dBm
Hum & Noise (EQ In)-52dB
Tube Complement1612 (x2), 6J7 (x2), 6V6GT (x2), 6H6GT, 6SN7GT
FinishBlue-Gray