Heathkit

AA-121E

Amplifier, Power

Main Details
Maker Heathkit Brand Heath Company Company Daystrom, Incorporated Company
Function
Channels/Tracks
  • 2 × Channel (May be used as mono amp for double power output)
Signal Path Analog Hardware
Made In United States
Date Produced 1963
Dimensions
(H × W × D)
Weight 39lbs (Shipped)
Power Source 115/230VAC, 50/60Hz 180W 320W (Max)
Frequency Response 20Hz-20kHz ±0.5dB (40W)
Notes Export model with multi-voltage power transformer
Additional Specifications
Output Power ("Hi-Fi") 40W
Output Power (Mono, "Hi-Fi") 80W
IHFM Music Power Output (0.7% THD, 1kHz) 49W
Output Power (Mono, IHFM Music Power) 98W
Impedance Load 4/8/16/32Ω
Input Sensitivity 0.95V
THD (40W, 20Hz-20kHz) 1.5%
IMD (40W, 60Hz:6kHz, 4:1) 0.5%
SNR 85dB
Damping Factor (4/8/16Ω) 12.5/16/16
Channel Separation (1kHz) 70dB
Output Tube EL34
Tube Complement EL34 (x4), 6AN8 (x2)
Finish Black, Bronze and Ivory

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