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
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Für Modell 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
Land:  Japan
Hersteller / Marke:  Panasonic, Matsushita, National ナショナル (also tubes); Osaka
Jahr: 1972/1972 perfect model Kategorie: Rundfunkempfänger (Radio - oder Tuner nach WW2)
Halbleiter (Zählung nur für Transistoren) 6: OC1044 2SA101 or. OC1045 2SA101 or. OC1045 2SB475 or. AC125 2SB475 or. AC128 2SB475 or. AC128 OA1160
Hauptprinzip Superhet allgemein; ZF/IF 455 kHz
Wellenbereiche Mittelwelle, keine anderen.
Betriebsart / Volt Trockenbatterien / R72: 1 x 9 or R72S: 2 x 1.5 Volt
Lautsprecher Dynamischer LS, keine Erregerspule (permanentdynamisch) / Ø 5.5 cm = 2.2 inch
Belastbarkeit / Leistung
von Modell: Toot-a-Loop-Radio R-72 - Panasonic, Matsushita,
Material Plastikgehäuse (nicht Bakelit), Thermoplast
Form Design Radio oder Novelty, Gadget, auch Reklameradio.
Abmessungen (BHT) 152 x 70 x 152 mm / 6 x 2.8 x 6 inch

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. See for instance the Citizen Radio R-720 for Citizen Electronics C0., Ltd. Japan.

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 Citizen R-720 and National Panasonic Toot-a-Loop RF-72 with FM only. Similar to Hemisfon TRP-408.

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?

Nettogewicht 0.2 kg / 0 lb 7 oz (0.441 lb)
Datenherkunft extern Stefan Wörner
Datenherkunft -- Schematic
Literaturnachweis Antique Radio Magazine - Italy, Club Antique Radio Magazine (n.144, luglio-agosto 2018, pag. 40-45)

Modellseite von Ernst Erb angelegt. Siehe bei "Änderungsvorschlag" für weitere Mitarbeit.

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