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0 Members and 1 Guest are viewing this board.
How to trace out a circuit problem   EL34 0 1795 Last post June 15, 2005, 07:49:14 am
by EL34
Adding 1-tube reverb tubenit 3 6171 Last post May 29, 2013, 05:48:39 am
by tubenit
Hoffman AB763 Tremolo 6L6 mods? bnwitt 20 3754 Last post February 21, 2013, 01:37:38 pm
by jufa82
Capacitor foil orientation tubenit 27 2683 Last post January 11, 2013, 02:59:46 pm
by jojokeo
MOVED: HOW CAN I GET MORE INFO ON THE STEREO TUBE PREAMP sluckey 0 152 Last post January 06, 2013, 03:22:50 pm
by sluckey
Relay circuit & layout board & ft switch tubenit 32 2623 Last post December 29, 2012, 03:46:53 pm
by sluckey
MOVED: 5e3 low hum in standby sluckey 0 144 Last post December 28, 2012, 10:46:52 pm
by sluckey
Vox AC15 layouts « 1 2 » bnwitt 85 4786 Last post December 27, 2012, 07:03:39 pm
by sluckey
Hoffman Princeton Reverb boards with Mallory bnwitt 13 1729 Last post September 03, 2012, 10:19:02 am
by EL34
VVR and cathode biased amps tubenit 24 8863 Last post May 13, 2012, 02:59:57 pm
by Leevi
tube effects loop on board tubenit 26 5899 Last post April 13, 2012, 01:38:49 pm
by tubenit
Disconnecting one output tube in a push pull amp « 1 2 » RobBozic 70 10391 Last post September 03, 2011, 01:23:11 pm
by chocopower
Hoffman AB763 Schematic sluckey 1 1617 Last post January 26, 2009, 01:44:47 pm
by FYL
(Archive) Coupling Capacitors radar01 9 2637 Last post November 17, 2008, 02:45:19 pm
by Greasehorse
Power Up Amplifier First Time Procedures? gregolson65 7 2566 Last post May 27, 2008, 04:26:42 pm
by Nigel
Master Volume NannerPuddin 18 2915 Last post May 24, 2008, 06:25:53 pm
by Colas LeGrippa
figuring approx. output wattage phsyconoodler 12 1437 Last post April 06, 2008, 11:07:14 am
by tubenit
space between turrets richierick 15 1368 Last post March 20, 2008, 06:14:10 am
by EL34
*umbolt lite done. « 1 2 » phsyconoodler 82 2629 Last post December 20, 2007, 02:26:48 pm
by phsyconoodler
(Archive) REVIBE beatroot 16 1188 Last post October 25, 2007, 04:16:47 pm
by EL34
[m by=EL34 destboard=AmpTools dest=1168787310]: TINY'S TECH TIPS Geezer 0 508 Last post June 05, 2007, 11:07:04 pm
by Geezer
Epiphone Valve Junior project « 1 2 3 » TubeGeek 115 5465 Last post February 25, 2007, 04:09:23 am
by Geezer
[m by=EL34 destboard=AmpTools dest=1168723173]: current limiter prs_matt 0 421 Last post January 15, 2007, 09:04:51 am
by prs_matt
Choke input filters Geezer 14 1524 Last post December 12, 2006, 09:57:15 am
by jjasilli
Adding reverb to a 5F6-A or marshall type cirquit tore_t 10 1247 Last post January 24, 2006, 06:30:12 pm
by BriteLite
(Archive) Frequently Asked Questions tbeck 30 2031 Last post December 12, 2005, 01:06:04 pm
by Platefire
5E3 with Choke Voltage Chart       EL34 5 978 Last post July 04, 2005, 11:47:10 am
by bnwitt
Board Members- Equipment / Influences EL34 0 491 Last post June 15, 2005, 09:22:45 am
by EL34
A question for PHAT amps EL34 0 539 Last post June 15, 2005, 07:58:41 am
by EL34
Nice Marshall Circuits link       EL34 0 743 Last post June 15, 2005, 07:57:22 am
by EL34
paul c mod (Cathodyne Phase Inverter Fixed Bias) EL34 0 1173 Last post June 15, 2005, 07:56:39 am
by EL34
Phase Inverter Questions EL34 0 660 Last post June 15, 2005, 07:55:59 am
by EL34
output impedance       EL34 0 716 Last post June 15, 2005, 07:55:19 am
by EL34
5E3 6L6 conversion suggested OT?? EL34 0 603 Last post June 15, 2005, 07:54:37 am
by EL34
EF86 Vp and Vs relationships..PHAT? ringing for PH EL34 0 406 Last post June 15, 2005, 07:53:53 am
by EL34
Modded phase inverter is motorboating     EL34 0 536 Last post June 15, 2005, 07:52:19 am
by EL34
100 ohm resister vs heater center tap     EL34 0 836 Last post June 15, 2005, 07:50:56 am
by EL34
FX Loop       EL34 0 744 Last post June 15, 2005, 07:49:57 am
by EL34
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