• Country
• United States of America (USA)

• Manufacturer / Brand
• Ehrhorn Technological Operations Inc.; Colorado Springs, CO

• Year
• 1977

• Category
• RF (Radio Frequency-) Amplifier

• Radiomuseum.org ID
• 278049

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

• Number of Tubes
• 2

• Valves / Tubes
• 8874 8874

• Number of Transistors
• 3

• Semiconductors
• MFE122 2N5826 2N5826

• Main principle
• Radio Frequency Amplification only

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Alternating Current supply (AC) / 120 - 240 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Alpha 76 PA-76P; PA-76C - Ehrhorn Technological

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 17 x 7.5 x 14.5 inch / 432 x 191 x 368 mm

• Notes

• Model 76P -- Identical with PA-76 above except tube complement is three 8874,
  increasing plate power input rating to 3+ KW PEP and typical rf output to 2 KW PEP.
  
  Model 76C  --  identical with PA-76 except tube complement is three 8874. Power transformer is special 2 KPEP ratings, d-c input 3 KW, typical rf output 2 KW; continuous carrier or long-term average ratings, d-c input 1.6 KW, rf output 1 KW

  Frequence 1,8- 2.0 and 3-30 MHz

• Net weight (2.2 lb = 1 kg)
• 75 lb (75 lb 0 oz) / 34.050 kg

• Author
• Model page created by Jean-Luc Potart. See "Data change" for further contributors.

• Other Models

• Here you find 9 models, 9 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ehrhorn Technological Operations Inc.; Colorado Springs, CO