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Toot-a-Loop-Radio R-72 (R72, R-72S)

Toot-a-Loop-Radio R-72 ; Panasonic, (ID = 1620272) Radio
Toot-a-Loop-Radio R-72 ; Panasonic, (ID = 255904) Radio Toot-a-Loop-Radio R-72 ; Panasonic, (ID = 255978) Radio
Toot-a-Loop-Radio R-72 ; Panasonic, (ID = 255977) Radio Toot-a-Loop-Radio R-72 ; Panasonic, (ID = 255906) Radio
Toot-a-Loop-Radio R-72 ; Panasonic, (ID = 255907) Radio Toot-a-Loop-Radio R-72 ; Panasonic, (ID = 255975) Radio
Toot-a-Loop-Radio R-72 ; Panasonic, (ID = 255976) Radio Toot-a-Loop-Radio R-72 ; Panasonic, (ID = 333085) Radio
Toot-a-Loop-Radio R-72 ; Panasonic, (ID = 405344) Radio Toot-a-Loop-Radio R-72 ; Panasonic, (ID = 405346) Radio
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Toot-a-Loop-Radio R-72 ; Panasonic, (ID = 255904) Radio
Panasonic,: Toot-a-Loop-Radio R-72 [Radio] ID = 255904 696x700
Select picture or schematic to display from thumbnails on the right and click for download.
For model Toot-a-Loop-Radio R-72 (R72, R-72S), Panasonic, Matsushita, National ナショナル (also tubes); Osaka:
By courtesy of Stefan Wörner
 
Country:  Japan
Manufacturer / Brand:  Panasonic, Matsushita, National ナショナル (also tubes); Osaka
Year: 1972/1972 Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 6: OC1044 2SA101 or. OC1045 2SA101 or. OC1045 2SB475 or. AC125 2SB475 or. AC128 2SB475 or. AC128 OA1160
Main principle Super-Heterodyne (Super in general); ZF/IF 455 kHz
Wave bands Broadcast only (MW).
Details
Power type and voltage Dry Batteries / R72: 1 x 9 or R72S: 2 x 1.5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.5 cm = 2.2 inch
Power out
from Radiomuseum.org Model: Toot-a-Loop-Radio R-72 - Panasonic, Matsushita,
Material Modern plastics (no Bakelite or Catalin)
Shape Design Radio or Novelty / Gadget - fancy or unusual shape.
Dimensions (WHD) 152 x 70 x 152 mm / 6 x 2.8 x 6 inch
Notes

The Panasonic R-72 (R72) was probably exclusively built by Matsushita Electric Industrial Co., Ltd., Japan for different brands and makers in other countries/markets. The only differences between such versions are stickers for customizing the unit.


The R-72 was at least available in red, orange, yellow, blue and white. The material for R-72 is ABS plastic (acrylonitrile butadiene styrene copolymer). Frequency Range is 525 - 1605 kHz = 571 - 187 m.

The novelty radio "Toot-a-Loop" R72 was designed to be wrapped around the wrist. It is shaped like a donut with the hole off center. If twisted the two halfs of the radio pivot and form an "S"-shape. One side of the radio has a grille for the speaker. There is also a jack for a mono earplug. The R72 has to be twisted into the "S" position in order to be tuned, but the volume control is on the outer side of the radio and can be adjusted regardless of whether the radio is twisted, open or closed.

Transistor listing applies for model R72S only!

Powering: 1 x 9V (6F22) for model R72, 2 x 1.5V (AA) for model R72S

For R72 with OTL output stage, refer to Philips 20RL012 with LW only.
See also National Panasonic Toot-a-Loop RF-72 with FM only.

We are not yet sure about the production years. It still has been made in 1972 - we have 1969 for the starting year (design). Who has adverts or other reliable information about the production dates of this model?

Net weight (2.2 lb = 1 kg) 0.2 kg / 0 lb 7 oz (0.441 lb)
Collectors' prices  
External source of data Stefan Wörner
Source of data -- Schematic

Model page created by Ernst Erb. See "Data change" for further contributors.



All listed radios etc. from Panasonic, Matsushita, National ナショナル (also tubes); Osaka
Here you find 2421 models, 2140 with images and 461 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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