• Country
• United States of America (USA)

• Manufacturer / Brand
• Valco Manufacturing Co.; Chicago

• Year
• 1946 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 249572

• • Brand: Oahu

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

• Number of Tubes
• 5

• Valves / Tubes
• 6SJ7 6SN7 6V6GT 6V6GT 5Y3

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Guitar Amplifier

• Power type and voltage
• Alternating Current supply (AC) / 110-130 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm

• Power out
• 12 W (unknown quality)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: National 1212 - Valco Manufacturing Co.;

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 380 x 470 x 200 mm / 15 x 18.5 x 7.9 inch

• Notes

• The "VALCO Model 1212" schematic is completely identical to this model with the exception of the pentode 6SJ7 (in amp) instead of the 6J7 (in the VALCO 1212 schematic diagram).

• Net weight (2.2 lb = 1 kg)
• 10.4 kg / 22 lb 14.5 oz (22.907 lb)

• Author
• Model page created by Hannes Gerber. See "Data change" for further contributors.

• Other Models

• Here you find 10 models, 10 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Valco Manufacturing Co.; Chicago