Heathkit

MA-12

Amplifier, Power

Main Details
Maker Heathkit Brand Daystrom Ltd. Company
Function
Channels/Tracks
  • 1 × Channel
Signal Path Analog Hardware
Made In United Kingdom
Date Produced 1966
Dimensions
(H × W × D)
Weight 12.5lbs
Power Source 100-117/200-250VAC, 40-60Hz 100W
Frequency Response 20Hz-30kHz ±1dB (1W)
Additional Specifications
Output Power 12W
THD (10W, 40Hz) 0.4%
THD (10W, 1kHz) 0.1%
THD (10W, 5kHz) 0.2%
Input Sensitivity 120mV
Negative Feedback 26dB
Subsidiary Feedback 6dB
Output Impedance 2-4/8-11/14-16Ω
SNR 85dB
Output Tube EL84 (6BQ5)
Tube Complement EF86, ECC83, EL84 (x2), GZ34
MSRP (1966) £12 18s

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