• Country
• United States of America (USA)

• Manufacturer / Brand
• National Company; Cambridge & Malden (MA)

• Year
• 1944

• Category
• Military Receiver

• Radiomuseum.org ID
• 302445

• • alternative name: National Toy Co.
  • Brand: Thrillbox

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

• Number of Tubes
• 7

• Valves / Tubes
• 6SK7 6SK7 6SK7 6SG7 6H6 6K6GT 5Y3G

• Main principle
• TRF with regeneration; 1 AF stage(s)

• Wave bands
• Long Wave and/or Very Low Frequency (VLF).

• Power type and voltage
• Alternating Current supply (AC) / 50 - 60 Hz; 115 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: RBL-6 CNA-46235 - National Company; Cambridge &

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Dimensions (WHD)
• 19 x 12 x 17 inch / 483 x 305 x 432 mm

• Notes

• The RBL-6 is electronically identical to the RBL-5 except for the rectifier.  It receives CW and MCW signals from 15-600 kHz in five bands.  Type -46235 [RBL-6] Receiver is similar to Type -46161-B [RBL-5] Receiver except for mechanical construction.  Differences are:

  • Front panel mounted to receiver chassis.
  • Fitted with shock mounts.
  • Chassis and metal cased components mounted thereon are cadmium plated.
  • Provision is made for the use of either a short or long antenna connected to concentric jack J-104

   

• Net weight (2.2 lb = 1 kg)
• 75 lb 0 oz (75 lb) / 34.050 kg

• Author
• Model page created by Frederick Mooney. See "Data change" for further contributors.

• Other Models

• Here you find 445 models, 284 with images and 189 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from National Company; Cambridge & Malden (MA)