• Country
• Germany

• Manufacturer / Brand
• Dressler Hochfrequenztechnik GmbH, Stolberg

• Year
• 1980 ?

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

• Radiomuseum.org ID
• 227277

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

• Number of Tubes
• 1

• Valves / Tubes
• 4CX250R

• Main principle
• Radio Frequency Amplification only

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: UHF Linear Amplifier D70 - Dressler Hochfrequenztechnik

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 295 x 95 x 375 mm / 11.6 x 3.7 x 14.8 inch

• Notes

• A linear amplifier with frequency range: 430-440 MHz. It can operate in SSB - CW - FM and RY modes.
  Power input 8-15 Watt. Power output in FM mode: 200 Watt, in SSB mode 700 Watt PeP.
  Output socket N and 15 V DC for preamplifier.

• Net weight (2.2 lb = 1 kg)
• 13 kg / 28 lb 10.1 oz (28.634 lb)

• Source of data
• -- Original-techn. papers.

• Mentioned in
• -- Original prospect or advert (“Radio Rivista” official organ of "ARI Amat. Radio Assoc." of Italy, number 8, 1982.)

• Author
• Model page created by Hans-Joerg Klempin. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 6 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Dressler Hochfrequenztechnik GmbH, Stolberg