• Country
• United States of America (USA)

• Manufacturer / Brand
• Drake, R.L. Miamisburg, Ohio

• Year
• 1967 ?

• Category
• Amateur Equipment (Other, but not Key)

• Radiomuseum.org ID
• 92059

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

• Number of Tubes
• 2

• Valves / Tubes
• 3-400Z or 8163 or 3-500Z 3-400Z or 8163 or 3-500Z

• Main principle
• Radio Frequency Amplification only

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Powered by external power supply or a main unit. / 115; 230 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Linear Amplifier L-4B - Drake, R.L. Miamisburg, Ohio

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 350 x 200 x 260 mm / 13.8 x 7.9 x 10.2 inch

• Notes

• Linear HAM bands amplifier matching the T-4B, T-4XB, TR-4 transmitters. Powered by separate power supply L-4PS. P_out SSB 2000 W PEP, CW, RTTY, AM 1000 W.

  Tubes must be of equal type.

• Net weight (2.2 lb = 1 kg)
• 14.5 kg / 31 lb 15 oz (31.938 lb)

• Price in first year of sale
• 825.00 $

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 154 models, 99 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Drake, R.L. Miamisburg, Ohio