• Country
• Japan

• Manufacturer / Brand
• Panasonic, Matsushita, National ナショナル (also tubes); Osaka

• Year
• 1933 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 193084

• Number of Tubes
• 3

• Valves / Tubes
• UY227 UX112A KX-112B

• Main principle
• TRF with regeneration; Screengrid 1926-1935

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Magnetic loudspeaker (reed) generic. / Ø 9 inch = 22.9 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: National R-33 - Panasonic, Matsushita,

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Dimensions (WHD)
• 0 x 16 x 0 inch / 0 x 406 x 0 mm

• Literature/Schematics (4)
• National Catalog

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 3040 models, 2816 with images and 631 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Panasonic, Matsushita, National ナショナル (also tubes); Osaka