• Country
• United States of America (USA)

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

• Year
• 1964–1968 ?

• Category
• RF (Radio Frequency-) Amplifier

• Radiomuseum.org ID
• 138947

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

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

• Number of Tubes
• 2

• Valves / Tubes
• 8122 8122

• Number of Transistors
• 13

• Semiconductors

• Main principle
• Radio Frequency Amplification only

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: NCL-2000 - National Company; Cambridge &

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

• Dimensions (WHD)
• 420 x 195 x 320 mm / 16.5 x 7.7 x 12.6 inch

• Notes
• Linear amplifier for 80 / 40 / 20 / 15 / 10 m amateur bands. Drive 20-200 W_PEP. Output 300 W AM, 600 W CW/RTTY, 1300 W SSB min.

• Net weight (2.2 lb = 1 kg)
• 28 kg / 61 lb 10.8 oz (61.674 lb)

• Price in first year of sale
• 3,530.00 DM

• Mentioned in
• Katalog Hannes Bauer, 1966–1968

• Author
• Model page created by Götz Linss † 27.06.21. See "Data change" for further contributors.

• Other Models

• Here you find 446 models, 285 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)