• Country
• United States of America (USA)

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

• Year
• 1990

• Category
• RF (Radio Frequency-) Amplifier

• Radiomuseum.org ID
• 278881

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

• Number of Tubes
• 2

• Valves / Tubes
• 3CX800A7 3CX800A7

• Number of Transistors
• 3

• Semiconductors
• 2N3904 2N3904 MJ8501

• Main principle
• Radio Frequency Amplification only

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Alternating Current supply (AC) / 110, 120, 220, 240 Volt

• Material
• Metal case

• from Radiomuseum.org
• Model: Alpha 86 - Ehrhorn Technological

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

• Dimensions (WHD)
• 430 x 190 x 380 mm / 16.9 x 7.5 x 15 inch

• Notes

• Alpha 86  may be user-modified to extend coverage to 29.7 MHz. Units delivered elsewhere cover 1.8 through 30 MHz. Performance is optimized for amateur bands.
  The ALPHA 86 is capable of high-speed, full break-in CW (QSK) when used with a suitably-designed transceiver

  Power Output: 1500 watts all modes including continuous carrier, CCS.

• Net weight (2.2 lb = 1 kg)
• 30 kg / 66 lb 1.3 oz (66.079 lb)

• 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