Pioneer

SA-9900

Amplifier, Power

Main Details
Maker Pioneer Brand
Function
Channels/Tracks
  • 2 × Channel
Form Factor Standard Width
Signal Path Analog Hardware
Made In Japan
Date Produced 1976
Dimensions 420 x 165 x 403mm
Weight 20kg
Frequency Response 7Hz to 40kHz
Additional Specifications
Accessories Hex. Wrench (used for fasting volume knob)
Attenuator 0,-15dB, -30dB
Circuitry 2-stage differencial amplifiers. 3-stage Darlington parallel push-pull, pure-complementary OCL.
Circuitry (Preamplifier section) 3-stage direct-coupled type with 1st stage FET equiped differential amplifier. Control amplifier
Circuitry (Preamplifier section) 3-stage direct-coupled class-A SEPP type with 1st stage FET equiped differential 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 response 30Hz~15kHz Phono (RIAA equalization)
Frequency response 7Hz~40kHz 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 sensitivity 1v/50k ohms Power amp in
Input sensitivity / Impedance 150mV/50kΩ Aux 1, Aux 2, Tuner, Tape PB 1&2
Input sensitivity / Impedance 2.5mV/50kΩ Phono 1
Input sensitivity / Impedance 2.5mV~10mV/35kΩ, 50kΩ, 70kΩs, 100kΩ 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 / Impedance 1V/50k Power Amp In
Input sensitivity / Impedance 6mV~24MV/85k ohms Micro
Input sensitivity / Impedance 150mV/50k ohms Aux 1, Aux 2, Micro, Tape PB 1&2, Tuner
Output Headphone 4Ω~16Ω
Output Speakers A, B (4Ω~16Ω)
Output Speakers A+B (8Ω~16Ω)
Output level / Impedance 2V/1k ohms Pre out
Output level / Impedance 150mV Tape Rec 1&2
Phono Overload level (T.H.D.0.01%) 500mV (1kHz) Phono 1
Phono Overload level (T.H.D.0.01%) 500mV~1.0V (1kHz) Phono 2
Power Bandwith Distirtion (IHF, Both Channels Driven) 5Hz~40KHz (THD 0.1%)
Power consumption 500W
Power Output (per channel) 110 W (8Ω)
Semiconductors 10 x FET(s), 74 x transistors, 33 x diodes
Tone control (1.5dB step) (Bass) SUB +-4.5B (50Hz) / MAIN 7.5dB (100Hz)
Tone control (1.5dB step) (Treble) SUB +-4.5B (20kHz) / MAIN 7.5dB (10kHz)
Total Harmonic Distortion from 20Hz to 20kHz < 0.1% Continuous rated power output
Total Harmonic Distortion from 20Hz to 20kHz < 0.04% 1 watt per channel power output, 8 ohms
Total Harmonic Distortion from 20Hz to 20kHz < 0.04% 55 watts per channel power output, 8 ohms
Connections
Aux 1
Connector: RCA (Phono, Cinch)
Description: Socket (Female), Stereo
Aux 2
Connector: RCA (Phono, Cinch)
Description: Socket (Female), Stereo
GND 1
Connector: Binding Post
GND 2
Connector: Binding Post
Headphone
Connector: 1/4" Phone Jack (6.35mm)
Description: Socket (Female), Stereo
Microphone
Connector: 1/4" Phone Jack (6.35mm)
Description: Socket (Female), Stereo
Phono 1
Connector: RCA (Phono, Cinch)
Description: Socket (Female), Stereo
Phono 2
Connector: RCA (Phono, Cinch)
Description: Socket (Female), Stereo
Speakers (A)
Connector: Binding Post
Description: Stereo
Speakers (B)
Connector: Binding Post
Description: Stereo
Tuner
Connector: RCA (Phono, Cinch)
Description: Socket (Female), Stereo
Tape 1 (PB)
Connector: RCA (Phono, Cinch)
Description: Socket (Female), Stereo
Tape 1 (rec)
Connector: RCA (Phono, Cinch)
Description: Socket (Female), Stereo
Tape 2 (PB)
Connector: RCA (Phono, Cinch)
Description: Socket (Female), Stereo
Tape 2 (rec)
Connector: RCA (Phono, Cinch)
Description: Socket (Female), Stereo
Tape 2 (rec/PB)
Connector: DIN
Description: Socket (Female), Stereo
AC Outlet 1 (Unswitched, 100W max)
Connector: Other
AC Outlet 2 (Switched, 100W max 2&3)
Connector: Other
AC Outlet 3 (Switched, 100W max 2&3)
Connector: Other
Controls
Parameter: Attenuator
Control Type: Toggle Switch
Range: 0dB, -15dB, -30DB
Parameter: Balance
Control Type: Rotary Pot
Parameter: Bass Twin Control 1
Control Type: Rotary Pot
Range: 50Hz
Parameter: Bass Twin Control 2
Control Type: Rotary Pot
Range: 100Hz
Parameter: Filter (High)
Control Type: Toggle Switch
Range: 12kHz / Off / 8kHz
Parameter: Filter (Low)
Control Type: Toggle Switch
Range: 15Hz / Off / 30Hz
Parameter: Function (source)
Control Type: Rotary Pot with Switch
Range: Phono1 / Mic/Phono2 / Tuner / Aux1 / Aux 2
Parameter: Mode
Control Type: Rotary Pot with Switch
Range: Stereo Rev / Stereo Norm / Mono L+R / Mono L / Mono R
Parameter: Phono 2 Impedance (Rear panel)
Control Type: Rotary Pot with Switch
Range: 35 / 50 / 70 / 100KΩ
Parameter: Phono 2/MIC Level Control (Rear panel)
Control Type: Rotary Pot
Range: -12dB~0dB
Parameter: Power
Control Type: Latching Push Switch
Parameter: Pre / Power Amp switch (Rear panel)
Control Type: Toggle Switch
Range: Normal / Separated
Parameter: Speakers
Control Type: Rotary Switch
Range: Off / A / B / A+B
Parameter: Tone
Control Type: Toggle Switch
Range: On / Off
Parameter: Treble Twin Control 1
Control Type: Rotary Pot
Range: 10kHz
Parameter: Treble Twin Control 2
Control Type: Rotary Pot
Range: 20kHz
Parameter: Volume
Control Type: Rotary Pot
Parameter: Tape Monitor
Control Type: Toggle Switch
Range: 1 / Source / 2
Parameter: Tape Duplicate
Control Type: Toggle Switch
Range: On / Off

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