Pioneer

SA-7500 MKII

Amplifier, Integrated

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 380 x 139 x 308mm
Weight 9.1kg
Additional Specifications
Accessories Connecting cord with pin plugs
Accessories Hex. Wrench (Used for fastening Volume knob)
Circuitry 2-stage differencial amplifiers Parallel PP direct-coupled OCL.
Continuous power output, 20 Hz to 20kHz (both channels driven) 50 watts per channel 4 ohms
Continuous power output,1000 Herts (both channels driven) 45 watts per channel 8 ohms
Damping factor (20Hz~20kHz, 8 ohms) 30
Frequency response 20Hz to 20kHz Phono (RIAA equalization)
Frequency response 10Hz to 40kHz Tuner, Aux, Tape play
Filter (Low) 15kHz (6dB/oct)
Hum and noise (IHF, short circuited A network) 73dB Phono
Hum and noise (IHF, short circuited A network) 95dB Tuner, Aux, Tape PB
Input sensitivity / Impedance 150mV/50k ohms Aux; Tape Play 1, Tape Play 2, Tuner
Input sensitivity / Impedance 2.5mV/50k ohms Phono
Intermodulation Distortion < 0.1% Continuous rated power output
Intermodulation Distortion < 0.05% 1 watt per channel power output, 8 ohms
Intermodulation Distortion < 0.05% 23 watts per channel power output, 8 ohms
Loudness contour +6dB (100Hz), +3dB (10kHz) Volume control set at -40dB position
Output level / Impedance 150mV Tape Rec 1&2
Phono Overload level (THD.0.1%) 200mV (1kHz) Phono
Power consumption 135 W
Semiconductors: 2 x FET(s), 26 x transistors, 17 x diodes
Tone control (Bass) +9dB, -8dB (100Hz)
Tone control (Treble) +89dB, -6dB (10kHz)
Total Harmonic Distortion from 20Hz to 20kHz from Aux < 0.1% Continuous rated power output
Total Harmonic Distortion from 20Hz to 20kHz from Aux < 0.05% 1 watt per channel power output, 8 ohms
Total Harmonic Distortion from 20Hz to 20kHz from Aux < 0.05% 23 watts per channel power output, 8 ohms
Connections
AC Outlet 1 (Switched)
Connector: Other
AC Outlet 2 (Switched)
Connector: Other
AC Outlet 3 (Unswitched)
Connector: Other
AC Outlet 4 (Unswitched)
Connector: Other
Aux
Connector: RCA (Phono, Cinch)
Description: Socket (Female), Stereo
GND
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
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
Controls
Parameter: Balance
Control Type: Rotary Pot
Parameter: Bass
Control Type: Rotary Pot
Parameter: Function (source)
Control Type: Rotary Pot with Switch
Range: Phono / Tuner / Aux
Parameter: Loudness
Control Type: Toggle Switch
Parameter: Low Filter
Control Type: Toggle Switch
Range: 0 / 15Hz
Parameter: Mode
Control Type: Rotary Pot with Switch
Range: Stereo / Mono
Parameter: Power
Control Type: Toggle Switch
Parameter: Speakers
Control Type: Rotary Switch
Range: Off / A / B / A+B
Parameter: Tape Monitor
Control Type: Toggle Switch
Range: 1 / Source / 2
Parameter: Tape Duplicate
Control Type: Toggle Switch
Range: 1>2 / Off / 2>1
Parameter: Tone
Control Type: Toggle Switch
Range: On / Off
Parameter: Treble
Control Type: Rotary Pot
Parameter: Volume
Control Type: Rotary Pot
Parameter: Tape 2 Monitor
Control Type: Toggle Switch
Parameter: Tape Duplicate
Control Type: Toggle Switch
Range: on / off

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