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National 2 Band Transistor 7 AB-175U

National 2 Band Transistor 7 AB-175U; Panasonic, (ID = 1688059) Radio
 
National 2 Band Transistor 7 AB-175U; Panasonic, (ID = 1688060) Radio
 
National 2 Band Transistor 7 AB-175U; Panasonic, (ID = 1688061) Radio
National 2 Band Transistor 7 AB-175U; Panasonic, (ID = 1687898) Radio National 2 Band Transistor 7 AB-175U; Panasonic, (ID = 1687900) Radio
National 2 Band Transistor 7 AB-175U; Panasonic, (ID = 1687901) Radio National 2 Band Transistor 7 AB-175U; Panasonic, (ID = 1836273) Radio
National 2 Band Transistor 7 AB-175U; Panasonic, (ID = 1836274) Radio National 2 Band Transistor 7 AB-175U; Panasonic, (ID = 1836275) Radio
National 2 Band Transistor 7 AB-175U; Panasonic, (ID = 1836276) Radio National 2 Band Transistor 7 AB-175U; Panasonic, (ID = 1836277) Radio
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National 2 Band Transistor 7 AB-175U; Panasonic, (ID = 1687898) Radio
Panasonic,: National 2 Band Transistor 7 AB-175U [Radio] ID = 1687898 550x462
Select picture or schematic to display from thumbnails on the right and click for download.
For model National 2 Band Transistor 7 AB-175U, Panasonic, Matsushita, National ナショナル (also tubes); Osaka:
Photo from an eBay auction closed at 2007
 
Country:  Japan
Manufacturer / Brand:  Panasonic, Matsushita, National ナショナル (also tubes); Osaka
Year: 1958 ? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 7: OC44 or. MC101 OC44 or. MC101 OC45 OC45 OC71 OC72 OC72 OA70 MA23
Main principle Superheterodyne (common); ZF/IF 455 kHz
Wave bands Broadcast and Short Wave (SW).
Details
Power type and voltage Dry Batteries / 4 x 1,5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6.6 cm = 2.6 inch
Power out 0.13 W (0.2 W max.)
from Radiomuseum.org Model: National 2 Band Transistor 7 AB-175U - Panasonic, Matsushita,
Material Plastics (no bakelite or catalin)
Shape Very small Portable or Pocket-Set (Handheld) < 8 inch.
Dimensions (WHD) 170 x 98 x 45 mm / 6.7 x 3.9 x 1.8 inch
Notes

Frequency range:
MW 540 - 1600 kHz
SW 3.9 - 10 MHz

Transistor MA23 is used as a diode bias stabilizer in the audio output amplifier.

Net weight (2.2 lb = 1 kg) 0.5 kg / 1 lb 1.6 oz (1.101 lb)
Mentioned in -- Original-techn. papers.

Model page created by Daniel Rosha. 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 2667 models, 2426 with images and 508 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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