Altec

1220A

Mixing Desk

Main Details
Maker Altec Brand Altec Lansing Brand Altec Corporation Company
Function
Channels/Tracks
  • 11 × Channel
Form Factor Desktop
Signal Path Analog Hardware
Made In United States
Date Produced 1973
Dimensions
(H × W × D)
Weight 62lbs
Power Source 120/240VAC, 50/60Hz 50W or 25/28VDC, 1A
Frequency Response 30Hz-20kHz ±1dB
Additional Specifications
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 Impedance 600Ω
Power Output +21dBm
Power Output (Main Output) +21/-25dBm
THD 0.5%
Crossover Frequency 500Hz, 800Hz
Noise Level -127.5dBm
SNR 80dB
Limiter Release (Fast) 0.5s
Limiter Release (Slow) 1.5s
Limiter Distortion 1%

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