• Country
• United States of America (USA)

• Manufacturer / Brand
• Wireless Specialty Apparatus Co.; Boston (MA)

• Year
• 1919

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 198978

• Number of Tubes
• 2

• Valves / Tubes
• VT-Class-II or A_Moorhead VT-Class-II or A_Moorhead

• Main principle
• Audio-Amplification; 2 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries

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

• Material
• Bakelite, TUBES VISIBLE

• from Radiomuseum.org
• Model: Two-Step Amplifier Type Triode E [Bread Board Style] - Wireless Specialty Apparatus

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 8 x 11.38 x 3.75 inch / 203 x 289 x 95 mm

• Notes
• The Wireless Specialty Apparatus Company Bread Board Two-Step Amplifier Type Triode E. The Type Triode E Two-Step Amplifier was designed to provide an instrument in which all connections would be visible and easily accessible, and thus facilitate experimenting.

• Price in first year of sale
• 39.00 $

• Literature/Schematics (1)
• - - Manufacturers Literature (1919 Wireless Specialty catalog page 42)

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 68 models, 66 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wireless Specialty Apparatus Co.; Boston (MA)