Heathkit

AA-81

Amplifier, Power

Main Details
Maker Heathkit Brand Heath Company Company Daystrom, Incorporated Company
Function
Channels/Tracks
  • 1 × Channel
Signal Path Analog Hardware
Made In United States
Date Produced 1961
Dimensions
(H × W × D)
Weight 24lbs (Shipped)
Power Source 117VAC, 60Hz 100W 130W (Max)
Frequency Response 20Hz-20kHz ±1dB
Notes Updated AA-10
Additional Specifications
Output Power ("Hi-Fi") 35W
IHFM Music Power Output (0.7% THD, 1kHz) 42W
Impedance Load 4/8/16/32Ω
Input Sensitivity 0.9V
THD (35W, 20Hz-20kHz) 2%
IMD (35W, 60Hz:6kHz, 4:1) 2%
SNR 80dB
Damping Factor (4/8/16Ω) 12.5/16/16
Output Tube EL34
Tube Complement EL34 (x2), 6AN8, GZ34
Finish Black and Bronze
MSRP (1961) $49.95

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