Vintage
Stereo Amplifier

Marantz 4140

vintage hifi stereo (3)



A selection of vintage stereo amplifier very representative of a beautiful era for high fidelity and music. Quality audio and radio equipment, with useful information for performing its restorations: equivalent transistors, list of electrolytic capacitors. The Manual and User Manual services are available at vintageshifi.com for your vintage amplifier.




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Sanyo DCA 411

SANYO DCA 411 (1978)


AMPLIFIER, Power (RMS) 2X45 w.
Frequency response: 10Hz/40kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.08% 8 ohms,
Damping factor: 40.

Equivalent transistors and list
of available electrolytic capacitors
Service Manual available



Sanyo DCA 611

SANYO DCA 611 (1978)


AMPLIFIER, Power (RMS) 2X60 w.
Frequency response: 10Hz/60kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.08% 8 ohms,
Damping factor: 40.

Equivalent transistors and list
of available electrolytic capacitors
Service Manual available



SONY TA 1150

SONY TA 1150 (1973)


AMPLIFIER, Power (RMS) 2X30 w
Frequency response: 15Hz/80kHz,
Output Impedance: 4-16 ohms
Total Harmonic output: 0.1% 8 ohms,
Damping factor: 100.

Equivalent transistors and list
of available electrolytic capacitors
Service Manual available



SONY TA 1630

SONY TA 1630 (1975)


AMPLIFIER, Power (RMS) 2X22 w
Frequency response: 20Hz/20kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.5% 8 ohms,
Damping factor: 40.

Equivalent transistors and list
of available electrolytic capacitors
Service Manual available



SONY TA 2650

SONY TA 2650 (1976)


AMPLIFIER, Power (RMS) 2X43 w
Frequency response: 20Hz/100kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.2% 8 ohms,
Damping factor: 25.

Equivalent transistors and list
of available electrolytic capacitors
Service Manual, Owner's Manual available



SONY TA-F4A

SONY TA-F4A (1979)


AMPLIFIER, Power (RMS) 2X40 w
Frequency response: 5Hz/100kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.3% 8 ohms,
Damping factor: 35.

List of equivalent transistors
Service Manual available




TEAC BX 300

TEAC BX 300 (1979)


AMPLIFIER, Power (RMS) 2X35 w
Frequency response: 10Hz/30kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.1% 8 ohms,
Damping factor: 50.

Equivalent transistors and list
of available electrolytic capacitors
Service Manual available



TECHNICS SU-3000

TECHNICS SU-3000 (1972)


AMPLIFIER, Power (RMS) 2X14 w
Frequency response: 5Hz/50kHz,
Output Impedance: 4,16 ohms
Total Harmonic output: 0.8% 8 ohms,
Damping factor: 35.

Equivalent transistors and list
of available electrolytic capacitors
Service Manual available



TECHNICS SU 7300

TECHNICS SU-7300 (1978)


AMPLIFIER, Power (RMS) 2X41 w
Frequency response: 20Hz/20kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.08% 8 ohms,
Damping factor: 40.

Equivalent transistors and list
of available electrolytic capacitors
Service Manual available



TECHNICS SU 7700

TECHNICS SU-7700 (1978)


AMPLIFIER, Power (RMS) 2X53 w
Frequency response: 8Hz/55kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.08% 8 ohms,
Damping factor: 50.

Equivalent transistors available
Service Manual available



TECHNICS SU-8080

TECHNICS SU-8080 (1977)


AMPLIFIER, Power (RMS) 2X72 w
Frequency response: 5Hz/40kHz,
Output Impedance: 4,8 ohms
Total Harmonic output: 0.02% 8 ohms,
Damping factor: 70.

Equivalent transistors available
Service Manual available




YAMAHA CA 600

YAMAHA CA 600 (1976)


AMPLIFIER, Power (RMS) 2X30 w
Frequency response: 10Hz/50kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.1% 8 ohms,
Damping factor: 70.

Equivalent transistors and list
of available electrolytic capacitors
Service Manual, Owner's Manual available



Accuphase P 250

ACCUPHASE P250 (1975)


POWER AMP, Power (RMS) 2X100 w.
Frequency response: 5Hz/90kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.1% 8 ohms,
Damping factor: 50.

Brochure available




Accuphase P 300

ACCUPHASE P300 (1975)


POWER AMP, Power (RMS) 2X150 w.
Frequency response: 5Hz/90kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.1% 8 ohms,
Damping factor: 60.

Equivalent transistors and list
of available electrolytic capacitors
Service Manual available



Quad 405

QUAD 405 I & II (1975-1993)


POWER AMP, Power (RMS) 2X100 w.
Frequency response: 20Hz/20kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.01% 8 ohms.

Equivalent transistors and list
of available electrolytic capacitors
Service Manual, Owner's Manual available



Marantz 170DC

MARANTZ 170 DC (1978)


POWER AMP, Power (RMS) 2X86 w
Frequency response: 7Hz/80kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.03% 8 ohms,
Damping factor: 60.

Equivalent transistors available
Service Manual, Owner's Manual available



Marantz 250M

MARANTZ 250 M (1976)


POWER AMP, Power (RMS) 2X126 w.
Frequency response: 2Hz/100kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.1% 8 ohms,
Damping factor: 100.

Equivalent transistors available
Service Manual, Schematics available



NAD 216 THX

NAD 216 THX (1995/2000)


POWER AMP, Power (RMS) 2X125 w
Frequency response: 2Hz/100kHz/-3dB
Output Impedance: 8 ohms
Total Harmonic output: 0.03% 8 ohms,
Damping factor: >200.

Equivalent transistors available
Service Manual available



NAD 2140

NAD 2140 (1985)


POWER AMP, Power (RMS) 2X50 w
Frequency response: 10Hz/30kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.03% 8 ohms,
Damping factor: 150.

Equivalent transistors available
Service Manual available




NAD 2155

NAD 2155 (1985)


POWER AMP, Power (RMS) 2X55 w
Frequency response: 20Hz/20kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.03% 8 ohms,
Damping factor: 50.

Equivalent transistors available
Service Manual available



NAD 2200

NAD 2200 (1985)


POWER AMP, Power (RMS) 2X100 w
Frequency response: 3Hz/80kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.03% 8 ohms,
Damping factor: 100.

Equivalent transistors available
Service Manual available



Sansui BA 2000

SANSUI BA 2000 (1975)


POWER AMP, Power (RMS) 2X110 w.
Frequency response: 5Hz/100kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.03% 8 ohms,
Damping factor: 70.

Equivalent transistors available
Service Manual available



Sansui BA 3000

SANSUI BA 3000 (1975)


POWER AMP, Power (RMS) 2X170 w.
Frequency response: 5Hz/100kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.05% 8 ohms,
Damping factor: 100.

Equivalent transistors available
Service Manual, Owner's Manual available



Sansui BA 5000

SANSUI BA 5000 (1974)


POWER AMP, Power (RMS) 2X300 w.
Frequency response: 15Hz/30kHz,
Output Impedance: 8 ohms
Total Harmonic output: 0.1% 8 ohms,
Damping factor: 10.

Equivalent transistors available
Service Manual, Owner's Manual available