• Country
• Germany

• Manufacturer / Brand
• Sommerkamp

• Year
• 1969 ??

• Category
• Amateur TRX: Transmitter/Receiver (and Transceiver)

• Radiomuseum.org ID
• 73350

• • alternative name: Sommerkamp El. Schweiz

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

• Number of Tubes
• 16

• Valves / Tubes
• 6BZ6 6U8 6BA6 6BZ6 12AX7 6BM8 12AU7 12AX7 7360 6CB6 6EJ7 6AV6 12AU7 12BY7 6JS6A 6JS6A

• Number of Transistors
• 8

• Semiconductors
• 2SC372 2SC372 2SC372 2SC372 2SC372 2SC367 2SC733 2SC828 1S1941 1S1007 1S145 unknown_diode

• Main principle
• Transceiver

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Other, details in remarks or not known.

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 1 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: SSB Transceiver FT-250 - Sommerkamp

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 335 x 140 x 280 mm / 13.2 x 5.5 x 11 inch

• Notes

• Sommerkamp SSB Transceiver FT-250.
  Frequency range in MHz: 3.5 - 4; 7 - 7.5 - 14 - 14.5; 21 - 21.5 - 28.5 - 29. (Crystals optionally available for ranges 28 - 28.5; 29 - 29.5; 29.5 - 30 MHz). 
  80 m to 10 m HAM bands; Modes: AM, SSB, CW; P_out: 100 W.

  The FT250 is the European version (Sommerkamp) of the original FT-200 model from Yaesu, Japan.
  Antenna impedance: 50 - 100 Ω.
  A.F. bandwidth: 300 - 2700 Hz.
  Receiver sensitivity: 0.5 µV.

  Power supplies:
  AC with FP-200/250: 100, 110, 117, 200, 220, 234 V, 50/60 Hz. 8"  wide, 5 1/2" high, 11" deep; 22 lbs. Built in elliptical loudspeaker 5" x 3".  
  DC: with DC-200/250: 12 V. 8" wide, 2 3/4" high, 8 7/8" deep. 6.6 lbs.

  Diodes listed once per type: 5 x 1S1914, 5 x 1S1007, 1 x 1S145. Two diodes not present in database: 1S336-1V (Zener), 1S336-6V (Zener).

• Net weight (2.2 lb = 1 kg)
• 8 kg / 17 lb 9.9 oz (17.621 lb)

• Price in first year of sale
• 1,398.00 DM

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

• Author
• Model page created by Iven Müller. See "Data change" for further contributors.

• Other Models

• Here you find 115 models, 102 with images and 47 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sommerkamp