DC heaters for A15Mk1

david_djd

how can I "transform" the AC heaters into DC heaters? and some schematic of how to do this is wellcome

MAD

Re: DC heaters for A15Mk1

Please look at this http://forum.musikding.de/gallery/displa…album=124&pos=9. Why do you want to use DC for heating, this is no issue normally?
Regards,
Martin

david_djd

DC heaters for A15Mk1

well Martin... my Madamp is a MADamp ;D and is just for hum prevention.. 'cause I don´t even try if it make´s hum or not.. (after 6 months I didn't have finish him :-[... I don´t have much time to build it) It's almost ready.. I have just to re-confirm all the wiring before to make it scream!!.. ;D I'll post some photos soon...

what are the conections to the sockets? (pin wiring of the 12AX7 and 6V6 for the DC heaters..)

MAD

Re: DC heaters for A15Mk1

the pin numbers are shown in the schematic ;D
Regards, Martin

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