Heathkit

AA-61

Amplifier, Power

Main Details
Maker Heathkit Brand Heath Company Company Daystrom, Incorporated Company
Function
Signal Path Analog Hardware
Made In United States
Date Produced 1961
Dimensions
(H × W × D)
Weight 12lbs (Shipped)
Power Source 117VAC, 50/60Hz 50W
Frequency Response 20Hz-20kHz ±1dB
Notes Updated UA-2
Additional Specifications
Output Power ("Hi-Fi") 14W
IHFM Music Power Output (0.7% THD, 1kHz) 16W
Impedance Load 4/8/16Ω
Input Sensitivity 0.7V
THD (16W) 2%
IMD (16W, 60Hz:6kHz, 4:1) 2%
SNR (14W) 73dB
Damping Ratio Unity or 15.66 User Selectable
Output Tube EL84 (6BQ5)
Finish Black and Ivory
Tube Complement EL84 (6BQ5 (x2), 6AN8, EZ81 (6CA4)
MSRP (1961) $22.95
Connections
Input
Connector: RCA (Phono, Cinch)
Description: Mono, Socket (Female), Unbalanced
Output
Connector: Terminal Block
Description: Mono
Controls
Parameter: Input Level
Control Type: Rotary Pot
Parameter: Power
Control Type: Slide Switch
Range: On/Off
Parameter: Damping Factor
Control Type: Slide Switch
Range: Unity/15

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