• Country
• United States of America (USA)

• Manufacturer / Brand
• General Radio Company; Cambridge (MA)

• Year
• 1931

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 272920

• • alternative name: GenRad

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Resistor 500 - General Radio Company;

• Dimensions (WHD)
• 1.25 x 2.5 x 1 inch / 32 x 64 x 25 mm

• Notes

• Screw terminal models:
  Type 500-A  Resistance 1 Ohm
  Type 500-B  Resistance 10 Ohm
  Type 500-C  Resistance  50 Ohm
  Type 500-D  Resistance  100 Ohm
  Type 500-E  Resistance  200 Ohm
  Type 500-F  Resistance  500 Ohm
  Type 500-G Resistance  600 Ohm
  Type 500-H  Resistance 1000 Ohm
  Type 500-J  Resistance 10,000 Ohm

  Plug terminal models:
  Type 500-AP  Resistance 1 Ohm
  Type 500-BP  Resistance 10 Ohm
  Type 500-CP  Resistance 50 Ohm
  Type 500-DP  Resistance 100 Ohm
  Type 500-EP  Resistance 200 Ohm
  Type 500-FP  Resistance 500 Ohm
  Type 500-GP  Resistance 600 Ohm
  Type 500-HP  Resistance 1000 Ohm
  Type 500-JP  Resistance 10,000 Ohm

• Price in first year of sale
• 2.00 USD

• Mentioned in
• -- Original prospect or advert (General Radio Co. Catalog F Part 3 (1931))

• Author
• Model page created by Peter Hoddow. See "Data change" for further contributors.

• Other Models

• Here you find 238 models, 212 with images and 128 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from General Radio Company; Cambridge (MA)