Altec

A-420

Amplifier, Pre

Main Details
Maker Altec Brand Altec Lansing Brand Altec Lansing Corporation Company
Function
Channels/Tracks
  • 1 × Channel
Form Factor 19" Rackmount
Signal Path Analog Hardware
Made In United States
Date Produced 1946
Dimensions
(H × W × D)
Weight 12lbs
Power Source 6.3VAC 0.5A, 325VDC 6mA
Frequency Response 20Hz-20kHz ±1dB
Notes Designed for operation with Altec A-127-A, A-127-B or A-256-A amplifiers
Additional Specifications
Gain 42dB
Gain (High) 49dB
Power Output (0.001W) -2dBm
Noise Level (0.001W) -77dB
Input Impedance 30/50Ω, 250/300Ω, 500/600Ω
Load Impedance 62.5/75Ω, 125/150Ω, 250/300Ω, 500/600Ω
Tube Complement 6J7 (x2)
MSRP (1947) $142

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