• Country
• United States of America (USA)

• Manufacturer / Brand
• Summit International Corp.; New York

• Year
• 1960 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 196806

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

• Number of Transistors
• 2

• Semiconductors

• Main principle
• TRF with diode detector; 2 AF stage(s); Reflex

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1 x 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.25 cm = 2.1 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 2 Transistors Boy's Radio MTR-203 - Summit International Corp.;

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

• Dimensions (WHD)
• 64 x 106 x 30 mm / 2.5 x 4.2 x 1.2 inch

• Notes

• Summit MTR-203;
  2 Transistor Boy's Radio with metal front plate,
  jacks for earphone and external antenna on top,
  model known in various cabinet colors.

  See also King 2 Transistor's Boy's Radio (same cabinet) and Queen 2 Transistor Boy's Radio MTR-203 (same type number).

• Net weight (2.2 lb = 1 kg)
• 0.150 kg / 0 lb 5.3 oz (0.33 lb)

• Author
• Model page created by Eckhard Wegner. See "Data change" for further contributors.

• Other Models

• Here you find 20 models, 19 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Summit International Corp.; New York