R472 Circle of Sound

Zenith Radio Corp.; Chicago, IL

Data

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Collections

Country
United States of America (USA)

Manufacturer / Brand
Zenith Radio Corp.; Chicago, IL

Year
1978 ??

Category
Broadcast Receiver - or past WW2 Tuner

Radiomuseum.org ID
215348

- alternative name: Chicago Radio Lab

Picture
Schematics

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 1209706) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
Ebay User skisauctionhaus Item 300689008409

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 1209703) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
Ebay User skisauctionhaus Item 300689008409

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 1209704) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
Ebay User skisauctionhaus Item 300689008409

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 1209707) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
Ebay User skisauctionhaus Item 300689008409

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 1209709) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
Ebay User skisauctionhaus Item 300689008409

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 1468426) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
By Courtesy Of EBAY User: *1967*

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 1468427) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
By Courtesy Of EBAY User: *1967*

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 1468428) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
By Courtesy Of EBAY User: *1967*

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 1468429) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
By Courtesy Of EBAY User: *1967*

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 1468430) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
By Courtesy Of EBAY User: *1967*

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 1517021) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
Zenith_R472_ServiceManual

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 2856491) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
eBay item number:225324581137

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 2856492) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
eBay item number:225324581137

R472 Circle of Sound ; Zenith Radio Corp.; (ID = 2856493) Radio — Zenith Radio Corp.; R472 Circle of Sound (2)
eBay item number:225324581137

Technical Specifications

Number of Transistors
Semiconductors present.

Semiconductors

Main principle
Superheterodyne (common)

Wave bands
Broadcast (BC) and FM or UHF.

Power type and voltage
Line / Batteries (any type) / 120 & 1 x 9 Volt

Loudspeaker
Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

Material
Plastics (no bakelite or catalin)

from Radiomuseum.org
Model: R472 Circle of Sound - Zenith Radio Corp.; Chicago,

Shape
Tablemodel with Clock ((Alarm-) Clock Radio).

Dimensions (WHD)
11.125 x 5 x 7 inch / 283 x 127 x 178 mm

Notes
Zenith Circle Of Sound clock radio model Solid State Electronic R472 with red digital readout.
9V Battery for Clock memory.

Made in Hong Kong

Net weight (2.2 lb = 1 kg)
4 lb 6 oz (4.375 lb) / 1.986 kg

Author
Model page created by Franz Scharner. See "Data change" for further contributors.

Other Models
Here you find 4496 models, 4101 with images and 3615 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Zenith Radio Corp.; Chicago, IL

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