Altec

A-429B

Amplifier, Pre

Main Details
Maker Altec Brand Altec Lansing Corporation Company
Function
Form Factor Part
Signal Path Analog Hardware
Made In United States
Date Produced 195?
Dimensions
(H × W × D)
Power Source 6.3VAC 1.2A, 270VDC 75mA
Frequency Response 20Hz-20kHz ±1dB
Notes 250A Console plug-in module. Available separately for custom installations.
Additional Specifications
Gain 50dB
Source Impedance 50/150/300/600Ω
Load Impedance 150/600Ω
Output Level (Line) +30dBm
Output Level (Monitor) +39dBm
Output Level (Monitor) 8W
THD (Line, 30Hz-15kHz) 0.5%
THD (Monitor, 50Hz-15kHz) 1%
IMD (Monitor, 40Hz, 2kHz, 4:1, +29dBm) 2%
IMD (Monitor, 40Hz, 2kHz, 4:1, +37dBm) 4%
Noise Level -110dBm
Tube Complement 12AY7, 6AQ5 (x2)

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