Heathkit

AA-21C

Amplifier, Integrated

Main Details
Maker Heathkit Brand Heath Company Company Daystrom, Incorporated Company
Function
Channels/Tracks
  • 2 × Channel
Signal Path Analog Hardware
Made In United States
Date Produced 1965
Dimensions
(H × W × D)
Weight 29lbs (Shipped)
Power Source 105-125VAC, 50/60Hz 35W 200W (Max)
Frequency Response 13Hz-25kHz ±1dB, 8Hz-40kHz ±3dB
Notes AA-21 with "deluxe styling".
Additional Specifications
Output Power (4/8/16Ω) 18/35/26W
IHFM Music Power Output (0.7% THD, 1kHz, 4/8/16Ω)) 25/50/34W
THD (20Hz) 1%
THD (1kHz) 0.5%
THD (20kHz) 2.0%
IMD (60Hz:6kHz, 4:1) 1%
Input Sensitivity (Tape) 2mV
Input Impedance (Tape) 60kΩ
Input Sensitivity (Tape Monitor) 0.9V
Input Impedance (Tape Monitor) 47kΩ
Input Sensitivity (Phono) 3mV
Input Impedance (Phono) 30kΩ
Input Sensitivity (Tuner) 0.25V
Input Impedance (Tuner) 100kΩ
Input Sensitivity (Aux) 0.25V
Input Impedance (Aux) 100kΩ
Output Impedance 4/8/16Ω
SNR (Tape) 40dB
SNR (Phono) 45dB
SNR (Aux) 60dB
SNR (Tape Monitor) 70dB
Channel Separation (20kHz) 40dB
Channel Separation (1kHz) 55dB
Channel Separation (20Hz) 50dB
Finish Charcoal Gray and Walnut
MSRP (1965) $149.95

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