Heathkit

A-9A

Amplifier, Power

Main Details
Maker Heathkit Brand Heath Company Company
Function
Additional Model ID High Fidelity Amplifier Kit
Channels/Tracks
  • 1 × Channel
Signal Path Analog Hardware
Made In United States
Date Produced 1953
Dimensions
(H × W × D)
Weight 17lbs
Power Source 105-125VAC, 50/60Hz 100W
Frequency Response 20Hz-20kHz ±1dB
Additional Specifications
Output Power 20W
THD (10W) 1%
Impedance Load 4/8/16Ω
Input Sensitivity (Phono) 7mV
Input Sensitivity (Mic) 10mV
Input Sensitivity (Crystal Phono) 80mV
Input Sensitivity (Tuner) 0.6V
Output Tube 6L6
Tube Complement 6L6G (x2), 12AX7, 12AU7 (x2), 5U4G
MSRP (1953) $35.50
Controls
Parameter: Tone (Bass, 30Hz)
Control Type: Rotary Pot
Range: ±15dB
Parameter: Tone (Treble, 15kHz)
Control Type: Rotary Pot
Range: ±15dB

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