• Country
• Spain

• Manufacturer / Brand
• Marconi Española S.A. (Telmar); Villaverde

• Year
• 1958

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 155046

• Number of Transistors
• 7

• Semiconductors
• 2N139 2N139 2N139 2N109 2N109 2N109 2N140

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 2 x 4,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 9 cm = 3.5 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transistor 7 RT-51 - Marconi Española S.A. Telmar;

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 155 x 95 x 45 mm / 6.1 x 3.7 x 1.8 inch

• Notes

• Marconi Española S.A. (Telmar) RT-51

  Fabricado con licencia Autovox-Roma, véase Autovox SpA RT-51

• Net weight (2.2 lb = 1 kg)
• 0.6 kg / 1 lb 5.1 oz (1.322 lb)

• Price in first year of sale
• 4,000.00 ESP

• Literature/Schematics (1)
• Anuncio La Vanguardia 2 Marzo 1958

• Author
• Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

• Other Models

• Here you find 192 models, 150 with images and 95 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marconi Española S.A. (Telmar); Villaverde