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