ESC
SA-9800

SA-9800

BrandPioneer
FunctionAmplifier, Integrated
Produced1980-1981
CountryJapan
Form FactorStandard Width
Signal PathAnalog Hardware
Dimensions453 x 155 x 425mm
Weight18.4kg
Frequency Response5Hz to 100kHz
AccessoriesHex. Wrench (used for fasting volume knob)
Attenuator0,-15dB, -30dB
Circuitry2-stage differencial amplifiers, 3-stage Darlington parallel push-pull, pure-complementary OCL. Parallel push-pul, direct coupled OCL. direct-coupled OCL
Circuitry (Preamplifier section)3-stage direct-coupled with 1 FET equiped differential amplifier (Control amplifier)
Circuitry (Preamplifier section)3-stage direct-coupled class-A SEPP type with 1st stage FET equiped differencial amplifier (Equalizer amplifier)
Continuous RMS Power Output, 10Hz to 20kHz (both channels driven)110 watts per channel (4 ohms)
Continuous Power Output,1KHz (both channels driven)120 watts per channel (4 ohms)
Continuous Power Output,1KHz (both channels driven)120 watts per channel (8 ohms)
Damping factor>30 ((20 herz to 20kHz, 8 ohms))
Filter (High)8kHz, 12kHz (12dB/oct)
Filter (Low)15Hz, 30Hz (12dB/oct)
Frequency response10Hz to 80kHz
Frequency response20Hz to 20kHz (Phono (RIAA equalization))
Frequency response5Hz to 100kHz (Tuner, Aux, Tape PB)
Hum and noise (IHF, short-circuited, A network)>110dB
Hum and noise (IHF, short circuited A network)>65dB (Micro)
Hum and noise (IHF, short circuited A network)>70dB (Phono 1, Phono 2)
Hum and noise (IHF, short circuited A network)>95dB (Tuner, Aux, Tape PB)
Input sensitivity1v/50k ohms (Power amp in)
Input sensitivity / Impedance150mV/50k ohms (Aux 1, Aux 2, Tuner, Tape PB 1&2)
Input sensitivity / Impedance2.5mV/50k ohms (Phono 1)
Input sensitivity / Impedance2.5mV~10mV/35k ohms, 50k ohms, 70k ohms, 100k ohms (Phono 2)
Intermodulation Distortion< 0.1% (Continuous rated power output)
Intermodulation Distortion< 0.04% (1 watt per channel power output, 8 ohms)
Intermodulation Distortion< 0.04% (55 watts per channel power output, 8 ohms)
Input sensitivity / Impedance6mV~25MV/85k ohms (Micro)
Input sensitivity / Impedance150mV/50k ohms (Aux 1, Aux 2, Micro, Tape PB 1&2, Tuner)
OutputHeadphone (Low impedance)
OutputSpeakers (A, B, A+B)
Output level / Impedance1V/600Ω, 3V/600Ω (max) (Pre out)
Output level / Impedance150mV (Tape Rec 1&2)
Phono Overload level (THD.0.002%, 1kHz)250mV (1kHz) (Phono 1)
Phono Overload level (THD.0.002%, 1kHz)250mV~10mV (Phono 2)
Power Bandwith Distirtion (IHF, Both Channels Driven)5Hz~40KHz (THD 0.1%)
Power consumption280W
Power Output (per channel)100W ((8Ω))
Semiconductors3 ICs, 6 x FET(s), 73 x transistors, 36 x diodes, 3 x others
Tone control (Bass)+10dB, -10dB (100Hz) (400Hz position)
Tone control (Bass)+10dB, -10dB (50Hz) (200Hz position)
Tone control (Treble)+10dB, -10dB (10kHz) (2.5kHz position)
Tone control (Treble)+10dB, -10dB (20kHz) (5kHz position)
Total Harmonic Distortion from 10Hz to 20kHz< 0.005% (Continuous rated power output)
Total Harmonic Distortion from 20Hz to 20kHz< 0.004% (1 watt per channel power output, 8 ohms)
Total Harmonic Distortion from 20Hz to 20kHz< 0.004% (50 watts per channel power output, 8 ohms)
Input sensitivity / Impedance2.5mV/50kΩ (Phono 1 & 2 (MM))
Input sensitivity / Impedance100μV/100Ω
Channels2 Channel
Connections
  • Aux 1 · RCA (Phono, Cinch) · Socket (Female), Stereo
  • Aux 2 · RCA (Phono, Cinch) · Socket (Female), Stereo
  • GND 1 · Binding Post
  • GND 2 · Binding Post
  • Headphone · 1/4" Phone Jack (6.35mm) · Socket (Female), Stereo
  • Microphone · 1/4" Phone Jack (6.35mm) · Socket (Female), Stereo
  • Phono 1 · RCA (Phono, Cinch) · Socket (Female), Stereo
  • Phono 2 · RCA (Phono, Cinch) · Socket (Female), Stereo
  • Speakers (A) · Binding Post · Stereo
  • Speakers (B) · Binding Post · Stereo
  • Tuner · RCA (Phono, Cinch) · Socket (Female), Stereo
  • Tape 1 (PB) · RCA (Phono, Cinch) · Socket (Female), Stereo
  • Tape 1 (rec) · RCA (Phono, Cinch) · Socket (Female), Stereo
  • Tape 2 (PB) · RCA (Phono, Cinch) · Socket (Female), Stereo
  • Tape 2 (rec) · RCA (Phono, Cinch) · Socket (Female), Stereo
  • Tape 2 (rec/PB) · DIN · Socket (Female), Stereo
  • AC Outlet 1 (Unswitched, 100W max) · Other
  • AC Outlet 2 (Switched, 100W max 2&3) · Other
  • AC Outlet 3 (Switched, 100W max 2&3) · Other
Controls
  • Attenuator · Toggle Switch · 0dB, -15dB, -30DB
  • Balance · Rotary Pot
  • Bass Twin Control 1 · Rotary Pot · 50Hz
  • Bass Twin Control 2 · Rotary Pot · 100Hz
  • Filter (High) · Toggle Switch · 12kHz / Off / 8kHz
  • Filter (Low) · Toggle Switch · 15Hz / Off / 30Hz
  • Function (source) · Rotary Pot with Switch · Phono1 / Mic/Phono2 / Tuner / Aux1 / Aux 2
  • Mode · Rotary Pot with Switch · Stereo Rev / Stereo Norm / Mono L+R / Mono L / Mono R
  • Phono 2 Impedance (Rear panel) · Rotary Pot with Switch · 35 / 50 / 70 / 100KΩ
  • Phono 2/MIC Level Control (Rear panel) · Rotary Pot · -12dB~0dB
  • Power · Latching Push Switch
  • Pre / Power Amp switch (Rear panel) · Toggle Switch · Normal / Separated
  • Speakers · Rotary Switch · Off / A / B / A+B
  • Tone · Toggle Switch · On / Off
  • Treble Twin Control 1 · Rotary Pot · 10kHz
  • Treble Twin Control 2 · Rotary Pot · 20kHz
  • Volume · Rotary Pot
  • Tape Monitor · Toggle Switch · 1 / Source / 2
  • Tape Duplicate · Toggle Switch · On / Off