ESC
SX-1980 (Type KU)

SX-1980 (Type KU)

BrandPioneer
FunctionRadio Receiver
Produced1977-1979
CountryJapan
Form FactorStandard Width
Signal PathAnalog Hardware
Dimensions56.1 × 21.1 × 49.8 cm (W × H × D)
Weight78lbs
Power120VAC, 60Hz 650W (UL), 1400VA (CSA)
Frequency Response5Hz-100kHz +0dB, -1dB
Power Output (8/4Ω)270W, 300W (4Ω: Current Limited)
THD (Rated Output)≤0.03%
THD (135W, 8Ω)≤0.02%
THD (1W, 8Ω)≤0.02%
IMD (Rated Output, 8Ω, 50Hz:7kHz)≤0.03%
IMD (135W, 8Ω, 50Hz:7kHz)≤0.01%
IMD (1W, 8Ω, 50Hz:7kHz)≤0.006%
Input Sensitivity (Power Amp In)2V
Input Impedance (Power Amp In)50kΩ
Damping Factor (20Hz-20kHz, 8Ω)40
SNR (IHF, Short-Circuited, A Network)120dB
Input Sensitivity (PHONO 1)2.5mV
Input Impedance (Phono 1)10kΩ, 50kΩ, 100kΩ
Cartridge Load100pF, 200pF, 300pF, 400pF
Phono Overload Level (1kHz, THD 0.03%)300mV
Input Sensitivity (Phono 2)2.5mV
Input Impedance (Phono 2)50kΩ
Input Sensitivity (Mic)7.5mV
Input Impedance (Mic)50kΩ
Input Sensitivity (Aux)150mV
Input Impedance (Aux)50kΩ
Input Sensitivity (Tape Play 1)150mV
Input Impedance (Tape Play 1)50kΩ
Input Sensitivity (Tape Play 2)150mV
Input Impedance (Tape Play 2)50kΩ
Output Level (Tape)150mV
Output Level (Pre Out)2V
Output Impedance (Pre Out)1kΩ
THD (Pre Out, 20Hz-20kHz)≤0.01%
Frequency Response (RIAA EQ)20Hz-20kHz ±0.2dB
SNR (Phono, IHF, Short-Circuited, A network)87dB
Frequency Response (Aux, Tape)5Hz-80kHz +0dB/-1dB
SNR (Aux, Tape, IHF, Short-Circuited, A network)100dB
FM Sensitivity (Mono)8.7dBf (1.5μV)
FM Sensitivity (Mono, 50dB Quieting)11.5dBf (2.2μV)
FM Sensitivity (Stereo, 50dB Quieting)36dBf (34μV)
FM SNR (75dBf, Stereo)75dB
FM SNR (65dBf, Mono)83dB
FM SNR (65dBf, Stereo)74dB
FM Distortion (65dBf, 100Hz, Mono)0.05%
FM Distortion (65dBf, 100Hz, Stereo)0.1%
FM Distortion (65dBf, 1kHz, Mono)0.07%
FM Distortion (65dBf, 1kHz, Stereo)0.1%
FM Distortion (65dBf, 6kHz, Mono)0.2%
FM Distortion (65dBf, 6kHz, Stereo)0.2%
FM Capture Ratio1.0dB
FM Alternate Channel Selectivity80dB
FM Spurious Response Ratio120dB
FM Image Response Ratio120dB
FM IF Response Ratio120dB
FM AM Suppression Ratio60dB
FM Muting Threshold19.2dBf (5μV)
FM Stereo Separation (1kHz)50dB
FM Stereo Separation (30Hz-15kHz)40dB
FM Subcarrier Product Ratio65dB
FM SCA Rejection Ratio65dB
Frequency Response (FM)30Hz-15kHz +0.2dB/-0.5dB
Input Impedance (Antenna, Balanced)300Ω
Input Impedance (Antenna, Unbalanced)75Ω
AM Sensitivity (IHF, Ferrite Antenna)300μV/m
AM Sensitivity (IHF, External Antenna)15μV
AM Selectivity26dB
AM SNR55dB
AM Image Response Ratio70dB
AM IF Response Ratio70dB
Channels2 Channel
Connections
  • Input (Phono, x2) · RCA (Phono, Cinch) · Stereo, Unbalanced, Socket (Female)
  • Input (Tape, x2) · RCA (Phono, Cinch) · Stereo, Unbalanced, Socket (Female)
  • Input (Adapter) · RCA (Phono, Cinch) · Stereo, Unbalanced, Socket (Female)
  • Input (Power Amp) · RCA (Phono, Cinch) · Stereo, Unbalanced, Socket (Female)
  • Output (Tape, x2) · RCA (Phono, Cinch) · Stereo, Unbalanced, Socket (Female)
  • Output (Adapter) · RCA (Phono, Cinch) · Stereo, Unbalanced, Socket (Female)
  • Output (Pre Out) · RCA (Phono, Cinch) · Stereo, Unbalanced, Socket (Female)
  • Output (Speakers, x3) · Spring Terminal · Stereo
  • Antenna (AM) · Binding Post · Balanced
  • Antenna (FM) · Binding Post · Balanced
  • Antenna (FM) · Terminal Block · Unbalanced
NotesUSA specific model.