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This manufacturer was suggested by Wolfgang Scheida.
Country |
Year |
Name |
1st Tube |
Notes |
NL |
47–61 |
B-110 |
|
Frequenzbereich 30 Hz - 13 kHz, Ausgangspegel 1,1 mV/µBar bei 1 kHz und 5 Megaohm. Reporte... |
NL |
47 |
R-510 |
|
Piezo electr. Mikrofon, Übertragungsbereich 30...13000 Hz |
NL |
65 |
Cirse Crystal Microphone FC 5-7500-7 |
|
Ronette-Holland Cirse FC 5-7500-7;
Ronette maybe the supplier of the capsule only. |
NL |
52 |
Crystal Microphone FC 5-7500-5 |
|
British Patent. Ronette Filtercell element inside. |
NL |
62–71 |
Stereo 105 105 |
|
"A turnover type of Crystal Cartridge for the reproduction of Stereo records and Monaural ... |
NL |
52 |
Filtercell Crystal Microphone Capsule Series FC 5-7500 /1 /2 /3 /4 /5 /6 /7 /8 /9 /10 |
|
Ronette, Filtercell Crystal Microphone Capsule Series FC 5-7500 /x |