Altec

250A (Rev. 2)

Mixing Desk

Main Details
Maker Altec Brand Altec Lansing Corporation Company
Function
Form Factor Floorstanding / Stand Mounted
Signal Path Analog Hardware
Made In United States
Date Produced 195?
Dimensions
(H × W × D)
  • Console
  • Table included
Weight 280lbs
Power Source 117VAC, 50/60Hz 200W
Frequency Response 30Hz-15kHz ±1dB
Notes Circuit revisions
Additional Specifications
Source Impedance (Mic) 30/50Ω, 125/150Ω, 250/300Ω, 500/600Ω
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) 2/4/8/16Ω
Gain (Mic) 100dB
Gain (Line) 34dB
Gain (Utility) 60dB
Gain (Remote Line) 40dB
SNR 70dB
THD (+20dBm, 30Hz-15kHz) 0.5%
THD (+24dBm, 30Hz-15kHz) 1%
Tube Complement 12AY7 (x17), 6AQ5 (x6), 6X4 (x4)

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