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HM-28; Sanyo Electric Co. (ID = 2539971) Microphone/PU HM-28; Sanyo Electric Co. (ID = 191439) Microphone/PU
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HM-28; Sanyo Electric Co. (ID = 2539971) Microphone/PU
Sanyo Electric Co.: HM-28 [Microphone/PU] ID = 2539971 1299x910
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For model HM-28, Sanyo Electric Co. Ltd.; Moriguchi (Osaka):
Sanyo HM-28 dynamic microphone.
Country:  Japan
Manufacturer / Brand:  Sanyo Electric Co. Ltd.; Moriguchi (Osaka)
Year: 1970 ?? Category: Microphone or Pick-up element
Wave bands - without
Power type and voltage No Power needed
Loudspeaker - For headphones or amp.
Power out
from Model: HM-28 - Sanyo Electric Co. Ltd.;
Material Plastics (no bakelite or catalin)
Shape Miscellaneous shapes - described under notes.
Dimensions (WHD) 39 x 118 x 23 mm / 1.5 x 4.6 x 0.9 inch
Notes Dynamisches Mikrofon, 500 Ohm, Schalter zum Kurzschluß der Kapsel, ca. 2,0 m Anschlußkabel mit Flanschverschraubung ähnlich PL259.
Net weight (2.2 lb = 1 kg) 0.2 kg / 0 lb 7 oz (0.441 lb)
Source of data - - Data from my own collection

Model page created by Klaus Ortwein. See "Data change" for further contributors.

All listed radios etc. from Sanyo Electric Co. Ltd.; Moriguchi (Osaka)
Here you find 1370 models, 1163 with images and 269 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.