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Das Prospektblatt des SM-83 Vollverstärkers


Each and every stereophonic amplifier or tuner made by PIONEER is the crystalization of its extensive experience and the ultimate in audio technology.

Each unit provides outstanding performance and versatility, made possible through their many supplementary circuits and easy-to-handle design, for ideal reproduction of the very best of stereophonic high fidelity.

The Model SM-83 preamplifier-amplifier and Model TX-5, AM-FM multiplex stereophonic tuner are a perfect combination, designed to match and supplement each other borth in performance and in exterior design.

If you seek true stereo sound, be sure you make your choice this great combination.

  • Anmerkung : Optisch passen diese beiden Geräte wie die Faust aufs Auge. Das empfanden die Kunden damals genauso und so wurde der Tuner ein Flop.





  1. The heaters of the preamplifier section tubes operate off well-filtered DC, for hum-free and crystal-clear reproduction.
  2. The output circuits are comprised of two pairs of type 7189A high-power output tubes operating in fixed-bias push-pull circuits, to provide a full 40 watts of stable program power per channel.
  3. Distortion is exceedingly low, making the SM-83 an ideal unit for the home or for professional applications.
  4. Each channel is equipped with independent treble and bass tone controls for easy adjustment of tonal quality, to provide the optimum tone matching the listening room.
  5. An effective low-cut (rumble) filter is provided to eliminate rumble or other low frequency noises, and a high-cut (scratch) filter to eliminate scratch or static, for clean, noise-free reproduction.
  6. A loudness control that can be switched ON or OFF at will is provided, so that true high fidelity reproduction is provided even at low volume settings. One of the main features in the design is its ease in handling, that enables it to be operated efficiently by anyone. The controls are positioned for efficient operation, while the selector and mode switches are comprised of pointer type knobs', so that the program source being listened to can be discerned even at a distance.
  7. A jack is provided on the front panel for connecting a stereophonic headphone set for individual listening.
  8. The SM-83 is designed for maximum versatility. It has the following stereophonic inputs : TAPE HEAD, TAPE AMPLIFIER, MICROPHONE, AUXILIARY, and both MAGNETIC and CRYSTAL/CERAMIC PHONO inputs.



Music Power Output : 40 watts per channel
RMS Rated Power Output : ±1 db, from 5 cps to 100,000 cps
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Harmonic Distortion : Less than 1 % (at rated output)
Damping Factor 13
Hum and Noise (at rated output): Magnetic- more than 60 db Auxiliary- more than 80 db
Input and Audio Sensitivity : Tape head~2mv Magnetic-3mv Mic-2mv Crystal (Ceramic)-25mv Auxiliary-150 mv Tape Play-200 mv
Bass Control : Boost 13db, Cut 13db, at 50 cps
Treble Conrol : Boost 13db, Cut 13db, at 10,000 cps
Filters : High cut -l0db, at 10,000 cps
  Low cut -8db, at 50 cps
Equalization : Phono-RIAA Tape-NARTB
Power Supply : Silicon Diode Rectifier circuit
Power Requirements : 115/230 volts, 1.4/1.7 amp. 145 watts (max.) 50~60 cps
Tubes : 12A x 7 - ECC83 x 3 - 6AN8 x 2 - 7189A x 4, SE-05b x 2 (Silicon Diode)
Dimensions : 15"(W) X 5"(H) X 13"(D)
Weight : 28 lbs. 11 oz. / 14 Kilo
- Werbung Dezent -
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