• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1971–1974

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 157849

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 41

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Hi-Fi equipment

• Power type and voltage
• Alternating Current supply (AC) / 100; 120; 220; 240 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 80 W (100 W max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: Integrated Amplifier 1140 TA-1140 - Sony Corporation; Tokyo

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 400 x 149 x 316 mm / 15.7 x 5.9 x 12.4 inch

• Notes

• A solid state hi-fi stereo integrated amplifier housed in a metal case with power output of 40 watts RMS per channel into 8 ohms or 50 watts RMS per channel into 4 ohms. With rotary bass and treble tone controls, push button switches for speakers (main and remote), mode (reverse, stereo, L + R), filters low and high, switches for bass turn-over (500Hz, 250Hz), treble turn over (2.5kHz, 5kHz), loudness, tape monitor (tape1, source, tape2). RCA phono sockets for input Phono1, Phono2, Tuner and Aux1, for input/output Tape1 and Tape2, for pre-amplifier output and power amplifier input, and for centre channel output, DIN socket for Tape1 Rec/Pb, terminals for 2 pairs of loudspeakers and jacks for headphones and Aux2.

  Specifications
  Power Amplifier Section
  RMS power per channel both channels driven	40 watts into 8Ω 50 watts into 4Ω
  Dynamic power both channels driven	120 watts into 8Ω 190 watts into 4Ω
  Power bandwidth	6Hz - 35kHz, IHF
  Harmonic distortion (20Hz-20kHz)	< 0.1% at rated output
  IM distortion	< 0.1% at rated output
  Input impedance	100kΩ
  Input sensitivity (for rated output)	0.85V
  Signal/Noise ratio	> 110dB (shorted input)
  Preamplifier Section
  Frequency response
  PHONO1,2 RIAA curve	± 0.5dB
  TUNER,AUX1,2,TAPE1,2,  REC/PB (input)	15Hz - 80kHz ±2dB
  Input sensitivity/impedance
  PHONO1,2	1.2mV/47kΩ
  TUNER,AUX1,2,TAPE1,2  REC/PB (input)	130mV/100kΩ
  Signal output/impedance	REC OUT: 130mV/10kΩ
  	PRE OUT: 1V/3kΩ REC/PB (output): 30mV/80kΩ
  Signal/Noise ratio
  PHONO1,2	> 70dB (weighting network "B")
  TUNER, AUX1,2,TAPE1,2,REC/PB	> 90dB (weighting network "A")
  Filters	LOW:  6dB/oct, below 70Hz HIGH:  6dB/oct, above 5kHz

  Versions/Power requirements
  GEP, NEP  /  100, 120, 220, 240V AC 50/60Hz with voltage selector

  Power consumption: 200 watts

  Vollverstärker, dynamische Ausgangsleistung : (IHF) 120W/8 Ohm; 190W/4 Ohm
  Sinusleistung: 2 x 40W/8 Ohm Sinusleistung Din: 2 x 50W/4 Ohm
  Beide Kanäle gleichzeitig betrieben: 2 x 35 Watt /8 Ohm
  Klirrfaktor: Vollaussteuerung : <0,1%
  Eingänge: Phono; Tuner; Reserve; Band.

  Preis in Deutschland: 1.111,00 DM

• Net weight (2.2 lb = 1 kg)
• 9.8 kg / 21 lb 9.4 oz (21.586 lb)

• Price in first year of sale
• 59,800.00 JPY

• Mentioned in
• -- Original prospect or advert (1973-74 Sony Programm Ubersicht catalogue)

• Literature/Schematics (1)
• Selezione Radio-TV Dezember 1972

• Literature/Schematics (2)
• - - Manufacturers Literature (Service manual Sony TA-1140 dated 1971)

• Author
• Model page created by Eduard Abfalterer. See "Data change" for further contributors.

• Other Models

• Here you find 3995 models, 3856 with images and 958 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo