CJ

Heater Supply Circuits-AC and DC
« on: September 02, 2014, 03:09:24 AM »
thought we could throw down some vac tube heater circuits all in one place,

there are a ton of them out there, AC and DC,

never had much luck with regulators, they do not like the start up currents,

and sometimes the high voltage plate supply finds it's way to the regulator,

here is a DC supply to get things rolling,
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html


CJ

Re: Heater Supply Circuits-AC and DC
« Reply #1 on: September 02, 2014, 03:14:33 AM »
here is another DC circuit, taken from Vacuum Tube Valley,

If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #2 on: September 02, 2014, 03:28:07 AM »
DC #3
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #3 on: September 02, 2014, 03:35:04 AM »
something a little different, just for kicks,

here is a preamble to a weird RF heating scheme>

« Last Edit: September 02, 2014, 03:48:13 AM by CJ »
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #4 on: September 02, 2014, 03:36:09 AM »
here is the RF Heater circuit>
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #5 on: September 02, 2014, 04:40:48 AM »
here is an AC supply with a cap in the CT>
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #6 on: September 02, 2014, 04:47:51 AM »
here is a circuit with a 5 V-ac and 6.3 v-ac combined, AC/DC>

If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #7 on: September 02, 2014, 04:53:34 AM »
here is an imaginative approach, uses a Lamda DC supply in conjunction with the regular supply>
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #8 on: September 02, 2014, 04:56:56 AM »
here is a 12 volt version of a DC supply>
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #9 on: September 02, 2014, 05:00:27 AM »
this supply has the heaters biased up from the HV supply>
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html


CJ

Re: Heater Supply Circuits-AC and DC
« Reply #10 on: September 02, 2014, 05:04:17 AM »
this is another elevated supply only DC this time>
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #11 on: September 02, 2014, 05:07:06 AM »
one tube gets AC, one tube gets DC>
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #12 on: September 02, 2014, 05:10:00 AM »
elevated 6.3  and hum balanced 2.5 V-ac circuit

individual transformers for the 2.5 V-ac tubes>
« Last Edit: September 02, 2014, 05:13:57 AM by CJ »
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #13 on: September 02, 2014, 05:17:21 AM »
series resistor because heater voltage was 7 V-ac instead of 6.3>
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #14 on: September 02, 2014, 05:21:58 AM »
stacking different 6.3 V-ac tubes to get correct voltage drops>
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #15 on: September 02, 2014, 05:28:19 AM »
DC supply with single diode,

memory capacitors?  ???  maybe scrounged out of disposable cameras?  :o

If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #16 on: September 02, 2014, 05:40:40 AM »
elevated AC supply using cathode bias voltage>
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #17 on: September 02, 2014, 05:50:41 AM »
infamous Marantz 10B tuner, has regular AC, elevated AC,

a and minus biased AC for the mini CRT which was used for tuning stations,
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #18 on: September 02, 2014, 06:20:51 AM »
infamous Fisher 500C has some weirdness (translate-do not understand)  :D

has a -22 V-dc series string on a few 12AX7's,

and some funny caps on the upper string>
« Last Edit: September 02, 2014, 06:25:00 AM by CJ »
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html

CJ

Re: Heater Supply Circuits-AC and DC
« Reply #19 on: September 02, 2014, 06:38:42 AM »
Fender AC supply with hum balance pot>
« Last Edit: September 02, 2014, 06:42:20 AM by CJ »
If I can't fix it, I can fix it so nobody else can!
Frank's Tube Page: www.mif.pg.gda.pl/homepages/frank/vs.html
Guitar Amps: http://bmamps.com/Tech_sch.html