ESC
SP-2A

SP-2A

BrandHeathkit
ManufacturerHeath Company, Daystrom, Incorporated
FunctionAmplifier, Pre (Kit)
Produced1960
CountryUnited States
Form FactorStandard Width
Signal PathAnalog Hardware
Dimensions38.9 × 11.7 × 21.6 cm (W × H × D)
Weight14lbs (Shipped)
Power117VAC, 60Hz
Frequency Response20Hz-20kHz ±1dB, 15Hz-30kHz ±1.5dB
Input Sensitivity (Tape)2mV
Input Impedance (Tape)100kΩ
Input Sensitivity (Phono, 1kHz)2mV
Input Impedance (Mag Phono)47kΩ
Input Sensitivity (Mic)10.5mV
Input Impedance (Mic)1MΩ
Input Sensitivity (Aux)0.25V
Input Impedance (Aux)470kΩ
THD (2.5V, 1kHz)0.15%
IMD (2.5V, 60Hz:6kHz, 4:1)0.5%
SNR (Tape)50dB
SNR (Mag Phono)65dB
SNR (Mic)65dB
SNR (Aux)75dB
Channel Separation40dB
MSRP (1960)$56.95
Channels2 Channel
NotesIncludes remote channel balance control.