ESC
AA-181E

AA-181E

BrandHeathkit
ManufacturerHeath Company, Daystrom, Incorporated
FunctionAmplifier, Power (Kit)
Produced1963
CountryUnited States
Signal PathAnalog Hardware
Dimensions35.6 × 18.5 × 22.4 cm (W × H × D)
Weight23lbs (Shipped)
Power115/230VAC, 50/60Hz 120W 135W (Max)
Frequency Response30Hz-15kHz ±1dB (25W)
Output Power ("Hi-Fi")25W
IHFM Music Power Output (0.7% THD, 1kHz)30W
Impedance Load4/8/16Ω
Input Sensitivity (Mic)9mV
Input Sensitivity (Phono)5mV
Input Sensitivity (Crystal Phono)0.12V
Input Sensitivity (Aux)0.2V
THD (25W, 30Hz-15kHz)2%
IMD (25W, 60Hz:6kHz, 4:1)2%
SNR (Phono)55dB
SNR (Aux)60dB
Damping Factor9
Output Tube7591
Tube Complement7591 (x2), 6EU7 (x2), 12AU7, 5AR4
FinishCharcoal Grey and Ivory
Channels1 Channel
NotesExport model with multi-voltage power transformer