ESC
A-9A

A-9A

BrandHeathkit
ManufacturerHeath Company
FunctionAmplifier, Power (Kit)
Produced1953
CountryUnited States
Model IDHigh Fidelity Amplifier Kit
Signal PathAnalog Hardware
Dimensions33.7 × 16.8 × 21.6 cm (W × H × D)
Weight17lbs
Power105-125VAC, 50/60Hz 100W
Frequency Response20Hz-20kHz ±1dB
Output Power20W
THD (10W)1%
Impedance Load4/8/16Ω
Input Sensitivity (Phono)7mV
Input Sensitivity (Mic)10mV
Input Sensitivity (Crystal Phono)80mV
Input Sensitivity (Tuner)0.6V
Output Tube6L6
Tube Complement6L6G (x2), 12AX7, 12AU7 (x2), 5U4G
MSRP (1953)$35.50
Channels1 Channel
Controls
  • Tone (Bass, 30Hz) · Rotary Pot · ±15dB
  • Tone (Treble, 15kHz) · Rotary Pot · ±15dB