ESC
SX-650

SX-650

BrandPioneer
FunctionRadio Receiver
Produced1976-1978
CountryJapan
Signal PathAnalog Hardware
Dimensions18.8 x 5.8 x 14.6 Inches
Weight28.6 lb
Frequency Response10Hz to 50kHz
Tuning RangeFM,MW
Power Output35 watts per channel into 8Ω (stereo)
Total Harmonic Distortion0.3%
Damping factor30
Input sensitivity7mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)
Signal to noise ratio70dB (MM), 90dB (line)
Output150mV (line), 30mV (DIN)
Speaker load impedance4Ω (minimum)
Semiconductors1 x FET, 9 x IC, 21 x transistors, 29 x diodes
Connections
  • Phono · RCA (Phono, Cinch)
  • AUX · RCA (Phono, Cinch)
  • Tape 1 REC · RCA (Phono, Cinch)
  • Tape 1 Play · RCA (Phono, Cinch)
  • Tape 2 REC · RCA (Phono, Cinch)
  • Tape 2 Play · RCA (Phono, Cinch)
  • Tape 2 Rec/Play · DIN
  • Speakers A/B · Terminal Block
  • AC Outlets · Other
  • Mic (Front) · 1/4" Phone Jack (6.35mm)
Controls
  • Power / Channel Selection · Rotary Switch
  • Bass · Rotary Pot
  • Treble · Rotary Pot
  • High Filter · Toggle Switch · 6kHz
  • FM Muting · Toggle Switch
  • Balance · Rotary Pot
  • Volume · Rotary Pot
  • Loudness · Toggle Switch
  • Stereo/Mono · Toggle Switch
  • Tape Monitor 1 · Toggle Switch
  • Tape Monitor 2 · Toggle Switch
  • Function · Rotary Switch · Am/FM/Phono/Aux/Mic
  • Tuner · Rotary Pot