• Country
• United States of America (USA)

• Manufacturer / Brand
• Ampeg (Portaflex); Linden, NJ

• Year
• 1958 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 105273

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

• Number of Tubes
• 5

• Valves / Tubes
• 12AX7 12AX7 7867 7868 5AR4

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 120 Volt

• from Radiomuseum.org
• Model: SB-12 - Ampeg Portaflex; Linden, NJ

• Notes
• instrument-amplifier

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Dirk Taekels. See "Data change" for further contributors.

• Other Models

• Here you find 38 models, 0 with images and 37 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ampeg (Portaflex); Linden, NJ