• Country
• United States of America (USA)

• Manufacturer / Brand
• Tech-Master Products Co.; Brooklyn (NY)

• Year
• 1956 ?

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 123341

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

• Number of Tubes
• 5

• Valves / Tubes
• 6SN7 6SN7 5881 5881 5V4G

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 105-125 Volt

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

• Power out
• 20 W (unknown quality)

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: Amplifier Kit TM-15A - Tech-Master Products Co.;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 12 x 6.5 x 9 inch / 305 x 165 x 229 mm

• Notes
• Ultra-Linear, Williamson type 20W audio amplifier.
  Sold in kit form.

• Net weight (2.2 lb = 1 kg)
• 26.5 kg / 58 lb 5.9 oz (58.37 lb)

• Price in first year of sale
• 50.00 $

• Literature/Schematics (1)
• The Radio-Electronic Master Buying Guide, 1956

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (402-14)

• Author
• Model page created by Emilio Ciardiello. See "Data change" for further contributors.

• Other Models

• Here you find 27 models, 23 with images and 12 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tech-Master Products Co.; Brooklyn (NY)