ESC
AA-81

AA-81

BrandHeathkit
ManufacturerHeath Company, Daystrom, Incorporated
FunctionAmplifier, Power (Kit)
Produced1961
CountryUnited States
Signal PathAnalog Hardware
Dimensions30.5 × 16.3 × 20.3 cm (W × H × D)
Weight24lbs (Shipped)
Power117VAC, 60Hz 100W 130W (Max)
Frequency Response20Hz-20kHz ±1dB
Output Power ("Hi-Fi")35W
IHFM Music Power Output (0.7% THD, 1kHz)42W
Impedance Load4/8/16/32Ω
Input Sensitivity0.9V
THD (35W, 20Hz-20kHz)2%
IMD (35W, 60Hz:6kHz, 4:1)2%
SNR80dB
Damping Factor (4/8/16Ω)12.5/16/16
Output TubeEL34
Tube ComplementEL34 (x2), 6AN8, GZ34
FinishBlack and Bronze
MSRP (1961)$49.95
Channels1 Channel
LinksPredecessor: AA-10
NotesUpdated AA-10