Telefunken 向けの Pertner 500 で電機設計は藤原さんとの事です。
Country: Germany
Manufacturer/Brand: Telefunken Deutschland (TFK)
Year: 1976–1978 Type: Radio - or past WW2 tuner
Semiconductors (the count is only for transistors) 13:
Principle Super-Heterodyne (Super in general); IF-Freq 460/10700 kHz
Tuned circuits 6 AM circuit(s) 9 FM-circuit(s)
Wave bands Broadcast, Long Wave, Short Wave plus FM.
Details
Power type and voltage Line / Batteries (any type) / 110; 220 / 5×1,5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
Power out 1 W
from Radiomuseum.org Model: Partner 500
Material Modern plastics (no Bakelite or Catalin)
Shape Portable, e.g. Portable Radio (with or without mains > 8 inch).
Dimensions (WHD) 280 x 170 x 80 mm / 11 x 6.7 x 3.1 inch
Notes Mit Sender-Fix-Einstellung auf MW (Luxemburgtaste) oder LW. Ausgangsleistung bei Netzbetrieb: 2 W.
Net weight (2.2 lb = 1 kg) 1.8 kg / 3 lb 15.4 oz (3.965 lb)
Source of data Handbuch VDRG 1977 /
Mentioned in Handbuch VDRG 1976
(データと写真はRadiomuseumより引用しました)