• Country
• Belgium

• Manufacturer / Brand
• Servo-Sound S.A.; Bruxelles

• Year
• 1968–1972

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 146524

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

• Number of Transistors
• 7

• Semiconductors
• BC154 BC154 BC143 BC142 AD149 AD149

• Wave bands
• - without

• Details
• Loudspeaker + integr.Amplifier

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 15 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Servo Sound Schallstrahler SL70 - Servo-Sound S.A.; Bruxelles

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 180 x 260 x 280 mm / 7.1 x 10.2 x 11 inch

• Notes

• Aktivbox bzw. Schallstrahler mit 103 dB in 1m Entfernung, entspricht ca 15 Watt Sinus.
  Stromversorgung über Vorverstärker Servo Sound SP70, Mehrfach-Leitung.

  Nur betreibbar mit Vorverstärker SP70.

  Gehäuseausführung Nussbaum oder Weiss.
  7 Transistoren, 4 Dioden.

• Mentioned in
• -- Schematic

• Literature/Schematics (1)
• High Fidelity Jahrbuch 1969

• Literature/Schematics (2)
• -- Original prospect or advert (August 1972)

• Literature/Schematics (3)
• fono forum 1/1969, Vorstellung auf hifi 68

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 3 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Servo-Sound S.A.; Bruxelles