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Mini 7TR (Japan JT-602)

Mini 7TR ; Orion Electric Co., (ID = 1531496) Radio
Mini 7TR ; Orion Electric Co., (ID = 1399369) Radio Mini 7TR ; Orion Electric Co., (ID = 1484275) Radio
Mini 7TR ; Orion Electric Co., (ID = 1484276) Radio Mini 7TR ; Orion Electric Co., (ID = 1484277) Radio
Mini 7TR ; Orion Electric Co., (ID = 1484278) Radio Mini 7TR ; Orion Electric Co., (ID = 1484279) Radio
Mini 7TR ; Orion Electric Co., (ID = 1484280) Radio Mini 7TR ; Orion Electric Co., (ID = 1484281) Radio
Mini 7TR ; Orion Electric Co., (ID = 1531769) Radio Mini 7TR ; Orion Electric Co., (ID = 1531770) Radio
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Mini 7TR ; Orion Electric Co., (ID = 1399369) Radio
Orion Electric Co.,: Mini 7TR [Radio] ID = 1399369 933x1015
Select picture or schematic to display from thumbnails on the right and click for download.
For model Mini 7TR (Japan JT-602), Orion Electric Co., Ltd.; Echizen-shi (Fukui):
Photo from a friends collection
 
Country:  Japan
Manufacturer / Brand:  Orion Electric Co., Ltd.; Echizen-shi (Fukui)
Year: 1962 ? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 7: 2SA52 2SA49 2SA49 1N60 2SB335 2SB335 2SB336 2SB336
Main principle Super-Heterodyne (Super in general); ZF/IF 455 kHz
Wave bands Broadcast only (MW).
Details
Power type and voltage Dry Batteries / 2 x 1.3 Volt
Loudspeaker Permanent or electro-dynamic (moving coil), system not known yet. / Ø 4.5 cm = 1.8 inch
Power out
from Radiomuseum.org Model: Mini 7TR - Orion Electric Co., Ltd.;
Material Modern plastics (no Bakelite or Catalin)
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Dimensions (WHD) 2 x 1.9 x 1 inch / 51 x 48 x 25 mm
Notes

This Orion 7TR radio model, among others models from different brands like the Standard Micronic SR-G430, uses a transformer-less push-pull output stage directly driving a special high impedance center tap speaker. In this model the speaker has 60 ohm impedance CT.

Made in Japan JT-602

Collectors' prices  

Model page created by Mark Skala. See "Data change" for further contributors.



All listed radios etc. from Orion Electric Co., Ltd.; Echizen-shi (Fukui)
Here you find 132 models, 122 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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