National UB-140
Panasonic, Matsushita, National ナショナル (also tubes); Osaka
- Country
 - Japan
 
- Manufacturer / Brand
 - Panasonic, Matsushita, National ナショナル (also tubes); Osaka
 
- Year
 - 1954 ??
 
- Category
 - Broadcast Receiver - or past WW2 Tuner
 
- Radiomuseum.org ID
 - 110130
 
- Number of Tubes
 - 3
 
- Main principle
 - Superheterodyne (common)
 
- Tuned circuits
 - 5 AM circuit(s)
 
- Wave bands
 - Broadcast only (MW).
 
- Power type and voltage
 - Storage and/or dry batteries / C: 1 x 1.5 + 1 x 45 Volt
 
- Loudspeaker
 - - only for Earphone!
 
- Material
 - Plastics (no bakelite or catalin)
 
- from Radiomuseum.org
 - Model: National UB-140 - Panasonic, Matsushita,
 
- Shape
 - Very small Portable or Pocket-Set (Handheld) < 8 inch.
 
- Dimensions (WHD)
 - 5.5 x 3.25 x 1.25 inch / 140 x 83 x 32 mm
 
- Notes
 - 
        
Different tube sets known, for use with a crystal earphone only.
 
- Source of data
 - -- Schematic
 
- Author
 - Model page created by a member from A. See "Data change" for further contributors.
 
- Other Models
 - 
        
Here you find 3131 models, 2915 with images and 651 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