Technics SU-3500

Data

General

• Manufacturer: Technics
• Model: SU-3500
• Type: Integrated amplifier
• Years of manufacture: 1975 - 1977
• Manufactured in: Matsushita Osaka Japan
• Color: Silver
• Remote control: no
• Power consumption: 380 W
• Dimensions: 410 x 140 x 340 mm (WxHxD)
• Weight: 10.2 kg
• Original price approx.: 1'145 DM

Connections

• Number of inputs:7
  • Phono 1 : 2mV /25kOhm/50kOhm/100kOhm /max. 510mV
  • Phono 2 : 2mV /25kOhm/50kOhm/100kOhm /max. 510mV
  • AUX 1 : 100mV /50kOhm
  • AUX 2 : 100mV /50kOhm
  • Tape deck 1 : 100mV /50kOhm
  • Tape deck 2 : 100mV /50kOhm

Tuner : 100mV /50kOhm

• Number of outputs : 4

PREOUT Nominal : 1V /100 Ohm

• • PREOUT Max. 11V /100 Ohm
  • Tape deck 1 : 100mV /500 Ohm RECOUT

Tape Deck 2 : 100mV /500 Ohm RECOUT

• • Tape deck 1 DIN : 30mV /80 kOhm

Technical Data

• Continuous power (at distortion) DIN 45500
  • 8 Ohm: 2 x 41W / 0,08%
  • 4 Ohm: 2 x 47W / 0,08%
• Dynamic power
  • 8 Ohm: 2 x 62,5W
  • 4 Ohm: 2 x 95W
• Total harmonic distortion: 0.08%
• Attenuation factor: 50/4Ohm 100/8Ohm
• Frequency response: 5Hz - 100kHz +0dB/-3dB
  • Phono RIAA +-0.5dB
• Signal to noise ratio:
  • Phono 60dB
  • AUX 80dB
• Stereo channel separation: 110dB
• Tone control:
  • Bass: 50Hz +12dB/-12dB

Treble: 20kHz +12dB/-12dB

• Loudness:
  • Volume -30dB : 100Hz +8dB
• High Filter : 8kHz -12dB
• Low Filter (Subsonic) : 30Hz -12dB
• Mute: -

Special Features

• Preamplifier - power amplifier separable
• Loudspeaker connections
  • A/B/A+B/switchable 2 pairs (Main/Remote)
  • Left/right/left-right/reverse switchable
  • Preamp and power amp separable.
  • Can be built up thereby with further amp to the at that time rare Bi-Wiring

Remarks

• Other models of the same series:
• Amplifiers:
• Technics SU-3500
• Technics SU-7200
• Technics SU-7600
• Technics SU-8600

• [[Tuner:
• Technics ST-3500
• Technics ST-7200
• Technics ST-7600
• Technics ST-9600

Pictures

• Image: Technics SU-3500

bild:SU3500-001Fa.jpg bild:SU3500-002Fa.jpg bild:SU3500-003Fa.jpg bild:SU3500-004Fa.jpg

Reports

ORIGINAL COPY OPERATING INSTRUCTIONS TECHNICS Matsushita Electric Osaka Japan Stereo Integrated Amplifier

• TECHNICS SU-3500 (silver)
• TECHNICS SU-3500K (dark brown)

TECHNICAL DATA according to IHF

• MAIN AMPLIFIER
• music power 190W (4Ohm)125W (8Ohm)

RMS continuous sound power at 1 kHz each channel individually driven 65W/65W (4Ohm) ; 50W/50W (8Ohm)

• • both channels driven together 55W + 55W (4Ohm); 43W + 43W (8Ohm)

20 Hz-20 kHz RMS continuous power output

• • both channels together driven 47W + 47W (4Ohm); 41W + 41W (8Ohm)
• harmonic distortion 0.08%
• Intermodulation distortion 0.08%
• Power bandwidth
  • (both channels together at 8Ohm)5 Hz-70 kHz, -3 dB

Frequency response 5 Hz-200 kHz, +0 dB -3 dB

• Foreign voltage spacing 110 dB

Hum & Noise 0.5mV Attenuation factor 50 (4Ohm), 100 (8Ohm)

• • Input sensitivity & impedance 1V/50kOhm
• End impedance
  • MAIN or REMOTE 4-16Ohm
  • MAIN+REMOTE 8-16Ohm

• PREAMPLIFIER SECTION
• Input sensitivity & impedance
  • PHONO 1, 2 2mV/25kOhm, 50kOhm, 100kOhm
  • TUNER 100mV/50kOhm

AUX 1, 2 100mV/50kOhm TAPE DECK 1, 2 PLAYBACK 100mV/50kOhm

• • TAPE DECK 1 REC/PLAY Playback 100mV/50kOhm
• PHONO 1, 2
  • Maximum input voltages 510mV
  • Harmonic Distortion 0.05%
• Foreign voltage distance
  • PHONO 1, 2 70 dB
  • TUNER, AUX 1, 2 90 dB
• Frequency response
  • PHONO 1, 2 RIAA Standard Curve ±0.5 dB
  • TUNER, AUX 1, 2 5 Hz-100 kHz, +0 dB-3 dB
• Tone control

Bass 50 Hz, +12 dB- -12 dB treble 20 kHz, +12 dB- -12 dB

• Filter
  • Rump 30 Hz, -12 dB/oct

Noise 8 kHz, -12 dB/oct

• Loudness contour
  • (Volume -30 dB) 100 Hz, +8 dB
• Output voltages & impedance
  • PRE OUT Nominal 1V/100Ohm
  • Maximum 11V/100Ohm
  • TAPE DECK 1, 2 REC OUT 100mV/500Ohm
  • TAPE DECK 1 REC/PLAY recording 30mV/80kOhm

• GENERAL DATA

Mains voltage switchable 110V/120/220V/240V Power consumption 380W Dimensions (W x H x D) 410 x 140 x 340mm Weight 10.2 kg

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TECHNICAL DATA according to DIN 45 500

• AMPLIFIER PART
• music power
  • 2 x 95W (4Ohm)

2 x 62.5W (8Ohm)

• RMS continuous sound power at 1 kHz both channels driven together
  • 2 x 55W (4Ohm); 2 x 43W (8Ohm)
• 20 Hz-20 kHz RMS continuous sound power both channels driven together

2 x 47W (4 Ohm); 2 x 41W (8 Ohm)

• Harmonic distortion
  • Nominal power at 1kHz/4Ohm 0.08%
  • Nominal power at 40Hz-16 kHz/4Ohm 0.08%
• Intermodulation distortion
  • Nominal power at 250Hz-8kHz= 4:1 4Ohm 0.08%
• Power bandwidth (both channels driven together at 4Ohm)

5 Hz-70 kHz, -3dB Frequency response 5 Hz-100 kHz, +0dB-3dB

• Frequency spacing nominal power

PHONO 60 dB AUX 80 dB 50mW output power

• • PHONO 53 dB

AUX 54 dB

• Amplification factor
  • 50 (4Ohm)
  • 100 (8Ohm)
• end impedance
  • MAIN or REMOTE 4-16Ohm
  • MAIN+REMOTE 8-16Ohm

• Input sensitivity & impedance
  • MAIN IN 1V/50kOhm
  • PHONO 1, 2 2mV/25kOhm, 50kOhm, 100kOhm

TUNER 100mV/50kOhm AUX 1, 2 100mV/50kOhm TAPE DECK 1, 2 PLAYBACK 100mV/50kOhm

• • TAPE DECK 1 REC/PLAY Playback 100mV/50kOhm
  • PHONO 1, 2 Maximum input voltages 510mV
• Tone control
  • Basses 50 Hz, +12dB -12dB

treble 20 kHz, +12dB -12dB

• Filter
  • Rumbles 30 Hz, -12dB/oct.
  • Noise 8 kHz. -12dB/oct
• Audible volume contour
  • (Volume -30 dB) 100 Hz, +8dB
• Output voltages & impedance
  • PRE OUT Nominal 1V/100Ohm
  • Maximum 11V/100Ohm
  • TAPE DECK 1, 2 REC OUT 100mV/50kOhm
  • TAPE DECK 1 REC/PLAY recording 30mV/80kOhm

• GENERAL DATA

Mains voltage Switchable 110V/120V/220V/240V Power consumption 380W Dimensions (W x H x D) 410 x 140 x 340mm Weight 10.2 kg

Year of production 12/1976 former new price 898,- DM

• (average earnings 1976 650,-DM)