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  1. Speaker Change Question
  2. Using Only One Side of a Power Amp
  3. Amp problem: Ugly compressed distortion only during pick attack playing
  4. Demeter: Converting TGP-3 from 220V to 120V
  5. slow blow/fast blow fuses change tone??????
  6. Egnater Mod50 intermittent crackling/static
  7. noisy transformer? What the ....
  8. Reverb potentiometer questions
  9. Stuck Tube...Help!
  10. Marshall Lead 12 Owners...is this normal?
  11. Ohms: How important is it that the amp and speakers match?
  12. who can service a 30th anniversary Marshall?
  13. Has anyone built a ga-20?
  14. Help Me (tube issue)?
  15. Weber M45p Master Vol Question
  16. Cabinet Joinery
  17. Staple Gun for Cabinet Building
  18. Prefered clamps: Cabinet building
  19. ceriatone uses saturn magnetic transformers?
  20. Tubes over or under biased
  21. Would it be possible to make my dual showman into a dumble?
  22. If you change to a different brand of el34 in a Marshall jmp, do you need to rebias
  23. Help with Fender transformer codes from MMB amp
  24. No Sound From Peavey Delta Blues
  25. Ceriatone 5e7 Bandmaster, headroom and noisefloor
  26. Tweaking Tone Stacks?
  27. TAD 7025/E83CC Highgrade?? 12ax7a
  28. Electrolytic filter caps: Tone differences because of age, brand, or other factors ?
  29. cryo treated tubes?
  30. Super Reverb Vibrato Fading in/out
  31. Tremolux gut shots needed - new plug
  32. '64 Deluxe-recone or ??
  33. Hughes & Kettner Edition 20 ext spk'r
  34. (New) Rivera Chubster issue
  35. Got a bit behind sorting my tubes....
  36. SF Bassman tube recommendations?
  37. Tube layout of the /13 SJT 10/20 ?
  38. Help! Boss AC Adapters
  39. dumb questions about effects loops
  40. Thinking about building an amp (own design ish):
  41. Courses to Take To Be An Amp Repairman ?
  42. My Marshall JMP's sound changed from just sitting too long??
  43. Help; my amp died
  44. Impedance mismatch
  45. Gut shots of Matchless Lightning
  46. Using a Champion 600 as a preamp?
  47. What could happen if tubes are not properly biased?
  48. Red Tube Glow....Burning Smell
  49. Sylvania Tubes?
  50. Intermittent Amp Problem (Ga-20T)
  51. Bright Cap Question
  52. Another Bias question
  53. GE 6L6 GC's....what do I have here?
  54. What voltage rating do the caps need to be for tone stack mods?
  55. 71Champ three prong
  56. Ok tell me I'm dreaming, but...
  57. Quick rectifier question
  58. "PM" Brand EL84 Tubes, Opinions?
  59. The gorillas at UPS
  60. Problem with treble control on Matamp...
  61. Excellent Amp Tech alert in MA!
  62. School me on caps
  63. Loud Buzzing Issue with Amp
  64. mods for jcm-800
  65. "Singing Champ" question
  66. Tremolo Hum
  67. 1966 Ampeg GS-12-R 6V6 for 7591
  68. Output Transformer Stauration?
  69. Dr.Z crapped out
  70. How to remove Fender baffleboard?
  71. Adding an effects loop to a Twin?
  72. stereo amp with one 2X12
  73. Choke Mounting Question
  74. 12at7 in budda sd18 v1
  75. Vibrato Intensity doesn't work
  76. What amp kit will work for me??
  77. Rackwah produces constant feedback, sounds like a whammy =(
  78. Matsushita 12ax7 ...ID ?
  79. Speaker impedance confusion
  80. Mesa Single Rec Head speaker load...
  81. Pro Junior fire
  82. VHT Cabinet Wiring Problem
  83. Intro and etiqutte question
  84. Couple of construction questions
  85. Freaky sounds from my amp
  86. Tests and test tools
  87. question about Fender tone stack Cap value
  88. 12AT7/CV4024 in tweed phase inverter
  89. Modular design considerations
  90. Transformer help needed
  91. Can I Measure my Speaker Ohms?
  92. Tube Experimentation: On/Off Cycling & Tube Damage
  93. Genalex KT-66's Running a little Hot
  94. AC30 speaker swap ?
  95. AC30 reverb not working
  96. Mesa Boogie Triaxis Effects Loop
  97. Help - New Amp Build - AC Voltage on B+
  98. Two brand new Twins with problems
  99. Transformer Buzz - Even in standby
  100. Epiphone Blues Custom - anyone swapped speakers???
  101. Sacrifice to the Tube Gods...
  102. Amp hum - can someone point me in the right direction?
  103. Help me identify what to change
  104. schematic search....(original) Polytone MiniBrute
  105. Combo Buzz/Rattle ?
  106. The Right Filter Choke Question?
  107. Torres parallel loop
  108. Microphonic caps
  109. Bassman Champ ???
  110. Tightening Up a 5E3's Tone
  111. replace two prong with three prong plug?
  112. Cabinet is buzzy until I remove the back
  113. Tweed Bandmaster build
  114. Adding a bright cap to a 73 Fender Vibro champ
  115. Attenuators and wattage
  116. Question on wiring speakers.
  117. MV that works best right BEFORE PI??
  118. I'm at a loss (Amp Noise and Crackle)
  119. PPIMV - post or pre - terminology
  120. NOS Brimar microphonic?
  121. old Oxford spekaer: Which is the + terminal ?
  122. Beeping noise in all my amps!
  123. Rectifier Tube Question
  124. Bell Sound Pacemaker
  125. who sells dual, concentric pots?
  126. can i use the reverb section as an effects loop?
  127. champ 600 volume question
  128. Reactive / Resistive dummy load
  129. Storing Tubes & Extra Gain Stage.
  130. 6146B Tubes
  131. Flashing blue tubes
  132. Ampeg BA115HP Transformer question
  133. HELP!! with a VHT super 30!!
  134. when do you call a cap leakage
  135. Tube Matching Services?
  136. Using a Chassis Punch
  137. Cathode Bypass Capacitor
  138. Voc AC30H2
  139. Hiss on reverb after doing mods!!
  140. EL34 conversion in vibrolux
  141. Swap 12ay7 for 12ax7???
  142. ampeg R50-H specs
  143. Channel "Bleeding" on a Fender Bassman...
  144. fried egg sound
  145. 6V6GT bias/Matching tube question
  146. slower tremolo BFSR
  147. Fuse question
  148. Speaker Connection
  149. Is this reverb tank worth anything?
  150. First amp with an fx loop?
  151. Input Jack Sensitivity - Bluesbreaker RI
  152. Splitting a signal - possible impedance issue?
  153. EL84L...Interchangeability
  154. New Tung Sol EL34
  155. Cathodyne PI: Using other half
  156. so.. is it true that if you pull two power tubes from a 100W superlead
  157. Hoqw much difference do you think a different transformer makes in a build
  158. How to remove tubes? Total n00b question
  159. Phase Inverter Tube Changes and Impacts
  160. Anyone know how to make a switchable inpedence 2x12 cab
  161. Bypass Cap on Filter cap ?
  162. Amp - Pedal interaction
  163. 12AX7 ID Question
  164. Tremolo too fast on 68 Super
  165. OT question
  166. CV4024 Uses?
  167. Good, Cheap(?) Tubes for 5E3/18watt clone
  168. Old Bake Lite Weller Soldergun Repair?
  169. 6V6 really safe to use in 50w superlead?
  170. fixing a broken amplifier bias pin
  171. differences between a DC30 & an AC30, circuit wise?
  172. Shortlist of Output Transformers
  173. Learning About Amplifier Design / Repair
  174. My Allen Brown Sugar Kit Build
  175. Standby switch wiring trick?
  176. In amp reverb problem?
  177. Best tube for Marshall?
  178. Triode runs on booze
  179. Tube questions on a '57 Tweed Twin RI
  180. Divided by 13 FTR37 Tube Diagram
  181. My 71 Pro Reverb is blowing fuses...
  182. anyone have mod info for jcm-800 50 watt
  183. amp tech needed in KC/Lawrence area
  184. combine one 16ohm and one 8ohm speaker?
  185. 2 Prong Plugs
  186. amp kit: Mojotone or Marsh
  187. Amp Repair in Orange County.....
  188. 1963 Fender Brown Deluxe Speaker suggestions and other questions...
  189. Help With Original Vibroverb 15
  190. 6L6 or 6V6 in the same amp
  191. Tubes for Fender; Marshall
  192. Question for Blue Strat! or others intheknow!
  193. Tubes gone bad?
  194. Tolerances between matched tubes?
  195. Harvard 5F10 Kit?
  196. Weber speaker choice for 10x12 combo.
  197. '64 Fender Vibroverb Reissue question
  198. power lamp goes out (fender model t)
  199. 5E3 tech questions
  200. Effects Loop Volume Problems
  201. Is this OK ? speaker mixing, impedance question
  202. How do these Hiwatt DR103 Guts look?
  203. Need some help understanding this circuit diagram
  204. how hard can i drive tubes in cathode bias?
  205. Mixing 6v6's and 6L6's
  206. Push Pull pot in PCB amp possible?
  207. How close are the biasing guidelines for the 6550 and KT90
  208. transformer/6L6 silverface deluxe reverb question...
  209. Going from EL34s to KT66s in my '68 1986 Plexi
  210. Hum and other stragne stuff with my Omega HotRod Deluxe
  211. Cap can: What's under that blue plastic wrap?
  212. PPIMV: Ground Pot lugs to which location ?
  213. Bias setting for Deluxe Reverb for best tone?
  214. Smoke and stink...uh oh
  215. DIY amp builders in charleston sc area?
  216. Real Tube 901 Tube Driver Ground Question
  217. Amp-Head Bias Testers? Any issues?
  218. How to mod my Rocktron Vendetta?
  219. The old take a power tube out trick!
  220. Is this true?
  221. Marshall 2203 tube question
  222. Dual Showman Grounding
  223. Silverface Vibrolux Reverb Mod Question
  224. The Mullard "3-D" sound ?
  225. JAN G.E. 6V6GTY Replacement for JJ 6V6S
  226. 2x8 in a Showman Head?
  227. extra preamp tube for jcm-800 info ??
  228. Another SF Vibrolux Reverb Question
  229. Question About Dummy Loads!!
  230. Indyguitarist ebook reviews?
  231. scorched tube socket
  232. '64 Concert--where to check bias
  233. JTM 60 fan help
  234. Parallel or Series???
  235. Wiring speakers for multiple impudences?
  236. Question about voltage regulator and its proper use
  237. Dstyle Clone HELP!
  238. Help I have a problem (Bias Voltage source)
  239. Amp sputtering problem? Need advice.
  240. Simple diagram: Save your amp from Meltdown.Series AC Loadtester.
  241. Snubbers
  242. Amp voicing
  243. Is a 5Y3 Supposed to Tinkle?
  244. Explain Mesa tube stage please.
  245. Can a Red Bear MK 60 Handle 6550's
  246. Best tubes for a Vox AC15CC
  247. Biasing amps with ultra linear transformers
  248. 2x12 8Ohm Load Wiring ...
  249. Dumb speaker question
  250. What about that crazy Brown/Blonde Harmonic Trem?