ESC
250A

250A

BrandAltec
ManufacturerAltec Lansing Corporation
FunctionMixing Desk
Produced1957
CountryUnited States
Form FactorFloorstanding / Stand Mounted
Signal PathAnalog Hardware
Dimensions121.9 × 24.1 × 42.5 cm (W × H × D); 139.7 × 91.4 × 78.7 cm (W × H × D)
Weight280lbs
Power117VAC, 50/60Hz 300W
Frequency Response20Hz-20kHz ±1dB
SNR70dB
Source Impedance (Mic)50Ω, 150Ω, 250Ω, 600Ω
Source Impedance (Line)600Ω
Source Impedance (Utility)600Ω
Source Impedance (Air Cue)600Ω
Load Impedance (Line)600Ω
Load Impedance (Audition)600Ω
Load Impedance (Monitor, Line)600Ω
Load Impedance (Monitor, Speaker)2-16Ω
Gain (Mic)94dB
Gain (Line)34dB
Gain (Utility)54dB
Gain (Cue)24dB
Gain (Air Cue)5dB
Sectional Gain (Mic)40dB
Sectional Gain (Mixer)78dB
Network Loss (Line)20dB
Network Loss (Utility)0dB
Mixer Network Loss18dB
Network Loss (Line)6dB