ESC
1220A

1220A

BrandAltec, Altec Lansing
ManufacturerAltec Corporation
FunctionMixing Desk
Produced1973
CountryUnited States
Form FactorDesktop
Signal PathAnalog Hardware
Dimensions91.4 × 27.9 × 61 cm (W × H × D)
Weight62lbs
Power120/240VAC, 50/60Hz 50W or 25/28VDC, 1A
Frequency Response30Hz-20kHz ±1dB
Gain (Channels 1-10, 150Ω Source)74dB, 78dB, 86dB
Gain (Channel 11, 600Ω Source)26dB, 30dB, 38dB
Gain (Monitor Output)83dB
Input Level-55dBm
Input Sensitivity (Channels 1-10)0.45mV
Input Sensitivity (Channel 11)200mV
Source Impedance (Channels 1-10)150Ω
Input Impedance (Channel 11)5kΩ
Input Clipping Level-8dBm
Output Impedance (Nominal)1kΩ
Load Impedance600Ω
Power Output+21dBm
Power Output (Main Output)+21/-25dBm
THD0.5%
Crossover Frequency500Hz, 800Hz
Noise Level-127.5dBm
SNR80dB
Limiter Release (Fast)0.5s
Limiter Release (Slow)1.5s
Limiter Distortion1%
Channels11 Channel