spoel of trafo? (Techniek Radio/TV)
door John Hupse † 
, Schoonhoven, 24.12.2018, 15:32 (2166 dagen geleden) @ Oldtimer
In 1922 maakte HRO onderstaande 3-lamps l.f. versterker met deze trafo's:
![[image]](http://www.nvhr.nl/data/pictures/HRO_3LampsVersterker.jpg)
Berichten in deze thread:
- spoel of trafo? -
Frans Hamer,
23.12.2018, 19:38
![[*]](themes/default/images/complete_thread.png "Open hele thread")
- spoel of trafo? - S.Leunissen, 23.12.2018, 19:54
- spoel of trafo? - Maarten Bakker, 23.12.2018, 20:05
- spoel of trafo? -
henkk,
23.12.2018, 21:39
- spoel of trafo? -
Oldtimer,
23.12.2018, 21:49
- spoel of trafo? - John Hupse †, 24.12.2018, 15:32
- spoel of trafo? -
Oldtimer,
23.12.2018, 21:49
- spoel of trafo? -
soundman2,
23.12.2018, 23:16
- spoel of trafo? - Oldtimer, 23.12.2018, 23:39
- spoel of trafo? - Frans Hamer, 25.12.2018, 14:52