ESC
438A

438A

BrandAltec, Altec Lansing
ManufacturerAltec Lansing Corporation
FunctionDynamics (Compressor Amplifier)
Produced195?
CountryUnited States
Form Factor19" Rackmount
Signal PathAnalog Hardware
Dimensions48.3 × 8.9 × 15.2 cm (W × H × D)
Weight8.5lbs
Power117VAC, 60Hz 22W
Frequency Response40Hz-10kHz ±1.5dB
Gain (Mic)90dB
Gain (600Ω Source)40dB
Maximum Compression30dB
Power Output+24dBm
Power Output (30dB Compression)+19dBm
Input Sensitivity6.5mV
Input Impedance20kΩ
Source Impedance30/50Ω
Load Impedance150Ω, 600Ω
Equivalent Input Noise-119dBm
Output Noise Level-50dB
Attack Time50ms
Recover Time (63% Recovery)1s
THD (25dB Compression, 35Hz-15kHz)1.5%
THD (30dB Compression, 35Hz-10kHz)2.5%
Tube Complement12AY7, 6BC8, 6CG7, 6AL5
FinishMetallic Gray
Channels1 Channel