• Country
• France

• Manufacturer / Brand
• Bouyer, Paul (Harmonic Radio); Montauban, Paris

• Year
• 1962–1971

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 128974

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

• Number of Tubes
• 6

• Valves / Tubes
• EF86 ECC83 EF86 6L6GC 6L6GC GZ34

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 220 Volt

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

• Power out
• 20 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Amplificateur ST20 120 - Bouyer, Paul Harmonic Radio;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 425 x 140 x 185 mm / 16.7 x 5.5 x 7.3 inch

• Notes

• Ampli PU / Micro, correction de tonalité basculante (breveté). Caractéristiques similaire au ST10 mais puissance de 20 W.

  Entrées :

  • 2 x microphone parôle (10 mV, 220 kOhm)
  • 1 x microphone musique (8 mV, 220 kOhm)
  • 1 x pick-up (150 mV, 500 kOhm)

  Sorties :

  • 4, 8, 15, 250 et 500 Ohm, ligne 100 Volt

  ---

  Ausgangsleistung 20 Watt in Gegentakt-Schaltung mit automatischer Gittervorspannungserzeugung, Arbeitspunkt etwa AB-Betrieb entsprechend.
  Ruhestromeinstellung über mehrstufigen Netzschalter mit "Totenkopf"-Anzeige.

• Net weight (2.2 lb = 1 kg)
• 7.3 kg / 16 lb 1.3 oz (16.079 lb)

• Price in first year of sale
• 422.00 FRF

• Mentioned in
• Catalogue Comptoir TSF Sud-Est 1963

• Literature/Schematics (1)
• -- Schematic

• Literature/Schematics (2)
• - - Manufacturers Literature (Tarif 2/68 (DE))

• Author
• Model page created by Sven Hoffmann. See "Data change" for further contributors.

• Other Models

• Here you find 149 models, 90 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bouyer, Paul (Harmonic Radio); Montauban, Paris