National ナショナル R-51
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
- 1932
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 170458
Front view of National R-51
Name plate of National R-51
- Number of Tubes
- 5
- Valves / Tubes
- UY-224_Japan UY-227_Japan UX-226_Japan UX112A KX-112B
- Main principle
- TRF with regeneration
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 100 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: National ナショナル R-51 - Panasonic, Matsushita,
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Notes
-
One of the first radios made by Matsushita. The smaller 3-tube model R-31 won a contest by the Tokyo Central Broadcast Station (JOAK) in 1931. Model R-51 with 5 tubes was a high sensitivity model suitable for long range reception.
Separate speaker unit.
- Source of data
- - - Manufacturers Literature
- Author
- Model page created by Tadanobu Okabe. See "Data change" for further contributors.
- Other Models
-
Here you find 2987 models, 2764 with images and 620 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
Collections
The model National ナショナル is part of the collections of the following members.