• Country
• Germany

• Manufacturer / Brand
• Techtron, Audiotech, Profitech, Jebsee, Miranda, Everspring, Gunnar Holm-Petersen, GHP; Hamburg

• Year
• 1990 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 369201

• Number of Transistors
• Semiconductors present.

• Semiconductors
• 2N3055

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 230 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Labornetzgerät SP 304 - Techtron, Audiotech, Profitech

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 180 x 140 x 250 mm / 7.1 x 5.5 x 9.8 inch

• Notes

• Labornetzgerät SP 304

  0-30 V, 0-4 A

• Net weight (2.2 lb = 1 kg)
• 4.750 kg / 10 lb 7.4 oz (10.463 lb)

• Author
• Model page created by a member from D. See "Data change" for further contributors.

• Other Models

• Here you find 7 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Techtron, Audiotech, Profitech, Jebsee, Miranda, Everspring, Gunnar Holm-Petersen, GHP; Hamburg