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Can I run the gu81m filament coil on 12 volts

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LAN_403

Proud Mary

Tue Jun 18 2013, 09:28PM

Registered Member #543 Joined: Tue Feb 20 2007, 04:26PM
Location: UK
Posts: 4992

Mr.Plasma-CRAZY wrote ...

12 volt battery?

Yes. A 12V car battery >40AH.

RateReducer

Wed Jun 19 2013, 03:18PM

Registered Member #4603 Joined: Wed Apr 25 2012, 07:33PM
Location: Austria
Posts: 159

Thanks Dr. Dark Current!

Mr.Plasma-CRAZY:
Just buy a 12V Transformer...!?

MR-ZAPPY

Wed Jun 19 2013, 04:08PM

Registered Member #16018 Joined: Fri May 03 2013, 07:19PM
Location:
Posts: 53

I just got a 12 volt 10 amp transformer yesterday

PhilGood

Wed Jun 19 2013, 08:45PM

Registered Member #3806 Joined: Sat Apr 02 2011, 09:20PM
Location: France
Posts: 259

Dr. Dark Current wrote ...

Yes, but running the tube "the 4HV way" calls for the filament voltage near the upper limit

I gotta agree with this :)

I ordered a custom-made 12.65V transformer for my "to come soon" GU81 coil

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