Heathkit

AA-181E

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 1963
Dimensions
(H × W × D)
Weight 23lbs (Shipped)
Power Source 115/230VAC, 50/60Hz 120W 135W (Max)
Frequency Response 30Hz-15kHz ±1dB (25W)
Notes Export model with multi-voltage power transformer
Additional Specifications
Output Power ("Hi-Fi") 25W
IHFM Music Power Output (0.7% THD, 1kHz) 30W
Impedance Load 4/8/16Ω
Input Sensitivity (Mic) 9mV
Input Sensitivity (Phono) 5mV
Input Sensitivity (Crystal Phono) 0.12V
Input Sensitivity (Aux) 0.2V
THD (25W, 30Hz-15kHz) 2%
IMD (25W, 60Hz:6kHz, 4:1) 2%
SNR (Phono) 55dB
SNR (Aux) 60dB
Damping Factor 9
Output Tube 7591
Tube Complement 7591 (x2), 6EU7 (x2), 12AU7, 5AR4
Finish Charcoal Grey and Ivory

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