• Country
• United States of America (USA)

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

• Year
• 1974 ?

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

• Radiomuseum.org ID
• 287485

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

• Number of Tubes
• 3

• Valves / Tubes
• 8874 8874 8874

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Alternating Current supply (AC) / 50-60 cycles, 120 / 240 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Linear Amplifier Alpha 374 - Ehrhorn Technological

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 17 x 7.5 x 13 inch / 432 x 191 x 330 mm

• Notes

• The Ehrhorn Alpha 374 is a linear amplifier operating on all amateur bands from 3.5 to 30 MHz in SSB, CWm RTTY, SSTV, and FM with a kilowatt of input.

• Net weight (2.2 lb = 1 kg)
• 52 lb (52 lb 0 oz) / 23.608 kg

• Price in first year of sale
• 1,195.00 USD

• Mentioned in
• QST (August 1974 page 5)

• Author
• Model page created by Wayne Childress. 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