NC-300

National Company; Cambridge & Malden (MA)

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Country
United States of America (USA)

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

Year
1955–1958

Category
Amateur-Receiver (amateur bands, may include broadcast bands)

Radiomuseum.org ID
89535

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

Picture
Schematics

NC-300; National Company; (ID = 497833) Amateur-R — National Company; NC-300 (3)

NC-300; National Company; (ID = 497834) Amateur-R — National Company; NC-300 (3)

NC-300; National Company; (ID = 502042) Amateur-R — National Company; NC-300 (1)
National NC-300 front operational restored

NC-300; National Company; (ID = 494120) Amateur-R — National Company; NC-300 (1)
Under side of origonal Chassis.

NC-300; National Company; (ID = 502046) Amateur-R — National Company; NC-300 (1)
Alternate Front image

NC-300; National Company; (ID = 263581) Amateur-R — National Company; NC-300 (2)

NC-300; National Company; (ID = 497832) Amateur-R — National Company; NC-300 (1)

NC-300; National Company; (ID = 502043) Amateur-R — National Company; NC-300 (1)
S meter during SSB reception

NC-300; National Company; (ID = 502044) Amateur-R — National Company; NC-300 (1)
SSB initial settings for reception

NC-300; National Company; (ID = 502045) Amateur-R — National Company; NC-300 (1)
SSB initial settings for reception

NC-300; National Company; (ID = 878398) Amateur-R — National Company; NC-300 (2)

NC-300; National Company; (ID = 878399) Amateur-R — National Company; NC-300 (2)

NC-300; National Company; (ID = 878400) Amateur-R — National Company; NC-300 (2)

NC-300; National Company; (ID = 878401) Amateur-R — National Company; NC-300 (2)

NC-300; National Company; (ID = 2063896) Amateur-R — National Company; NC-300 (2)

NC-300; National Company; (ID = 2063897) Amateur-R — National Company; NC-300 (2)

NC-300; National Company; (ID = 2063898) Amateur-R — National Company; NC-300 (2)

NC-300; National Company; (ID = 2063900) Amateur-R — National Company; NC-300 (2)

NC-300; National Company; (ID = 2063902) Amateur-R — National Company; NC-300 (2)

NC-300; National Company; (ID = 2063903) Amateur-R — National Company; NC-300 (2)

NC-300; National Company; (ID = 2063904) Amateur-R — National Company; NC-300 (2)

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

Technical Specifications

Number of Tubes
11

Valves / Tubes
6BZ6 6BA7 6AH6 6BE6 6BJ6 6BJ6 6AL5 6BE6 12AT7 6AQ5 5Y3GT 0B2 4H4C

Main principle
Superhet, double/triple conversion; ZF/IF 2215/80 kHz

Wave bands
Short Wave (SW only)

Power type and voltage
Alternating Current supply (AC) / 105-130 Volt

Loudspeaker
- For headphones or amp.

Power out
1 W (unknown quality)

Material
Metal case

from Radiomuseum.org
Model: NC-300 - National Company; Cambridge &

Shape
Tablemodel, with any shape - general.

Dimensions (WHD)
495 x 286 x 381 mm / 19.5 x 11.3 x 15 inch

Notes
coverage 160 - 10 m ham bands, prepared for operation with 6, 2 and 1.25 m band converters; AM, SSB (BFO);
optional NTS-300TS speaker, optional XCU-300 calibrator, optional NC-300Cxx VHF converters.

Net weight (2.2 lb = 1 kg)
25.9 kg / 57 lb 0.8 oz (57.048 lb)

Price in first year of sale
349.95 $US

Source of data
Communications Receivers

Mentioned in
Shortwave Receivers - Past & Present (3rd ed.)

Author
Model page created by Martin Bösch. 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)

Collections | Museums | Literature

Collections

The model is part of the collections of the following members.

Paul E. Pinyot † 2013 (USA)

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