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  1. NMV Marshall amp volume control options?
  2. Ohmite Resistors
  3. Ampeg Mercury: What does this circuit do?
  4. Dummy load vs cab + attenuator
  5. Tubeworks Reverb schematic anyone?
  6. Anyone make a case for *not* doing mods on DRRI?
  7. Anybody Familiar With Shulz Power Soak?
  8. Mains Fuse...?
  9. blackface bandmaster replacement output transformer
  10. senior design project ideas
  11. Screen Voltage?
  12. Ampeg 6x10" bass cab question
  13. how to bias a evh 5150 3 and what ma?
  14. Victoria Tweed Super - 5F4 Circuit Questions
  15. AB165 Bassman Bias Pot
  16. Just how microphonic is TOO microphonic in a preamp tube? and related questions...
  17. Princeton Vibrato problem, Help!
  18. 2 amp fuse
  19. Nominal Drive Level for Reverb Tank
  20. Do All Crate PowerBlocks Have AC Buzz?
  21. Which Fluke Bench Multimeter?
  22. Software Audio Signal Generator
  23. Can for Phase Inverter Necessary?
  24. Tweed Deluxe - 5D3 vs. 5E3
  25. n00b questions about a tube amp
  26. UPS Strikes Again
  27. NOS tubes: my collection, test results and ?s
  28. Vox Footswitch buzz
  29. whats a good soddering iron to buy?
  30. Output Transformer Wiring
  31. Potentiometer choices
  32. Opinions on Road Cases
  33. BLowing a speaker
  34. Speaker stud went thru my new Weber Speaker!
  35. Assesing the damage; OT related.
  36. Ampeg Mercury: 6SL7 PI hum help needed
  37. Reverb not working!
  38. My Weekend Project:
  39. Vintage Ampeg Reverberocket Reverb=Gain?
  40. vintage tube amp restoration is complete
  41. Fender Twin Tremolo not working
  42. Valve bias
  43. How to measure current draw on a cathode biased amp?
  44. Fender Company : why switched to silverface from blackface, and why so long ?
  45. Building an AC15 Clone
  46. Help with dying amp
  47. Can an el84 amp run 6v6s with tweaks?
  48. Best current production replacement 6L6GC??
  49. Master Volume Modification? want rid..
  50. Noisy JCM800 help?
  51. Bigger Tannies + 6l6 in a Tweed Deluxe build...?
  52. JBL Speaker Polarity Question
  53. Help with a Marshall 1987x
  54. Need help with buying the right pots for '83 jcm 800 (john phillips?)
  55. 134 prefix potentiometers
  56. Negative Feedback Question
  57. Need help with changing a tube.
  58. Boogie reverb driver
  59. DC filliment with separate transformer, ground reference?
  60. Is My Marshall 1974x Cathode Biased?
  61. 2x12 mono/stereo wiring - help...
  62. Preamp tube replacement in my HRDx
  63. EH tubes -- junk ?
  64. anything I can use a 30w tube preamp for?
  65. Where to find NOS 6EU7s
  66. John Phillips-JCM 800?
  67. JJ ECC83S Vs. EH 12ax7
  68. Preamp Valve Question
  69. Diagnose a Crackle (Marshall/Traynor Content)
  70. Weber Amp Kits
  71. Show me your dummy load
  72. Help! My Vibrolux Reverb is crackling!
  73. Bass and Mid Freq drop on JCM900
  74. Making sense of New Sensor Corp.
  75. SFTR - Any Mods for Better Jazz Tone?
  76. Changes in power filtering on JCM800 in late 80s
  77. JP: Save me again, help.
  78. Maestro Rover amp repair
  79. Need Help Locating a Schematic
  80. Help with Transformer Voltage Drop Method
  81. Question about Impedance
  82. Where do you guys get tubes?
  83. Can you diagnose this squeal for me (5e3 build)
  84. Building Cabinets
  85. Thanks Gang
  86. Look at this picture can you help?? Pre amp question
  87. Fender SuperSonic schematic
  88. Vibro Champ mod ?
  89. does any company make a 12" field coil speaker..
  90. Cab Building: What wood supplier?
  91. Help diagnose this problem please?
  92. tube tester
  93. tube amp wiring videos
  94. Cabinets/tone
  95. Tightening the bass on a DRRI
  96. Cab wiring questions
  97. Schematic or help with rack V-Twin
  98. 5Y3GT rattle!!!!
  99. Potential issue??
  100. SFSR bias resistor
  101. Loose Pin / Tube Socket Prob, Pics
  102. Voltages at 1/4" control jacks on Dual Rec?
  103. SF Princeton NR
  104. Want to build a Victoria 5112 5F1
  105. My amp hates buffers - why?
  106. cab wiring assistance
  107. Another weird hum issue
  108. Dr. Z labeled components??
  109. Heater wiring question
  110. vintage fender need help
  111. Another hum debugging question
  112. Deathcap X2
  113. What order to put Quad E34L's in my dual rec.
  114. Cooling fan noise
  115. Ice Pick Root Cause?
  116. Teflon wire with solid core -who sells LT Roll QTYs ?
  117. Circuit questions
  118. HEXFRED -No Problem?
  119. Princeton Reverb screen resistors
  120. Can ayone tell me how to add an LED to a footswitch?
  121. Radio Interference?
  122. Silvertone 1391 Project
  123. Tube Life: 6V6's, 12AT7's
  124. Advice on recapping traynor YGM3
  125. If you ran an amp with blistered filter caps, how long can it go before....
  126. ANyone ever built a Weber (KIT) 6A14HP amplifier
  127. Power tube matching question
  128. I have a tube ID question
  129. 1/4 " speaker jack polarity question
  130. what temperature to use w/ soldering station?
  131. Class A Cathode & Class AB Bias Mod
  132. pi/phase inverter?? v1?? help!......
  133. Type of output transformer to use.
  134. Bassy hum from amp, even when no guitar connected
  135. Bigger Output Tranny In any amp?
  136. Amp startup problem - Crate VC508
  137. The effect (if any,) of using overrated coupling caps.
  138. Is 4 ohms louder than 16 ohms?
  139. Tubes... Check. Bias probe... Check... now WTF do I do?
  140. '62 Bassman speaker output question
  141. Rattling Handle
  142. In a orig AC15 circuit nothing beats a EF86 but
  143. Variac for voltage regulation
  144. negative tip .jpg
  145. Why are better transformers better?
  146. South Bay Fender amp tech needed
  147. amp rattle
  148. What components should go into a Tweed Build?
  149. When did wall voltage change?
  150. Batman on my plates
  151. Maybe you can help me diagnose this amp problem
  152. Help reading a schematic for a pre-amp wiring
  153. Converting a Marshall to earlier specs.
  154. glue for EVM12l speaker
  155. tung-sol tube question
  156. Fargen MiniPlex "Decade Switch" tech?
  157. 6CG7 tube question
  158. Weird sound coming out of my amp. Radio signal?
  159. Need help with A/B box vs. tweed Deluve
  160. Gibson Skylark Ga-5t
  161. Tung-Sol 12ax7 bottle size bigger
  162. Which Loop Kit Would You Buy?
  163. 12ax7 tube issue Faulty or weak tube maybe???
  164. updated marshall jcm 800 amp help thread
  165. '66 Super Reverb Clipping Issue
  166. Mesa LSS popping when switching channels
  167. 22n = pico or nano ?????
  168. where to get good R's and C's
  169. Splawn amp bias query
  170. '72 Marshall 50w Bass Plate Voltage
  171. 1966 Fender Pro Reverb Recap job ??
  172. Eliminating Amp Background Noise
  173. DIY variac/line browner
  174. Super Champ Power Tube Bias
  175. abc-y usage hazards? amp damage?
  176. Rectifier tube touches tolex, is it safe?
  177. Biasing mishap story!
  178. Are 6V6 smoother sounding than EL34 tubes?
  179. JBL D130F Speaker Recone
  180. Allen Old Flamers: Help with a retube
  181. 69' Marshall Metal Panel Bias Issues
  182. Hakko 936
  183. Need help with reverb tank
  184. overdrive box grounding schemes
  185. Marshall Plexi Style Kits
  186. DRRI speaker extension jack question
  187. does this look good to any of you?
  188. Wiring help needed to reduce RFI noise.
  189. Mutual Conductance
  190. Solid state replacement for vacuum tube rectifier...
  191. RV50 Reverb sounds off...
  192. Are these tubes too unmatched to use?
  193. Pictures of my 5e3 build head
  194. Troubleshooting question
  195. tube substitution question 6v6gt, el84
  196. Cross-Post/shout out to John Phillips
  197. NooB amp-tech-circuit questions - ongoing...
  198. amp noise when turning on or off, with clip
  199. On icepicks and old Gibsons
  200. Reverb doesn't work -- help.
  201. Where to buy Fender Reverb RCA RA cables
  202. Does anyone make repro and/or custom amp logos?
  203. really noob questions - where to learn
  204. Class A Amps - Harder On Tubes ?
  205. things to practice soldering with?
  206. Bad rectifier tube in a Deluxe reverb?
  207. Removing and reinstalling grillcloth
  208. Using a 1x12 and a 2x12 at the same time
  209. mismatching speakers in Super Reverb
  210. A friend hooked up my BMR yo cab with guitar cable...what to do?
  211. Shiva Problem
  212. Everyone's Favorite Game-Name That Tube!
  213. Help! Broke the treble knob on my AC-15!
  214. KT-66 tubes in Ultralinear Fenders?
  215. push-pull vs. single-ended overdrive?
  216. Very faint chimey sound from speaker?
  217. DRRI reverb problem
  218. Help Me Fix Fender Vibrato in AB763 Deluxe Reverb
  219. Spiff up a Weber 6a40 (parts upgrades)
  220. Touch sensitive? Oh yeah...
  221. Bendix 5992 vs. RCA
  222. Which Power Tube/Rectifier Combo
  223. Tampa area Amp Tech
  224. Question about Vintage Fender Mod
  225. 2 amps- same hum problem
  226. "Mids" on an amp with no Mid knob?
  227. Super Reverb > 2x12 cab
  228. Need to replace a 6n1p - best online source?
  229. 3-Prong Power Cord Installation Questions
  230. Microphonic JJ el84 in vintage Traynor YBA-2B
  231. Can someone ID this 6N14N (EL84)?
  232. Could someone explain this to me please?
  233. help! (mesa/boogie content)
  234. EL84 in Vibro Champ
  235. CeriaTone FX loop question
  236. Fuzzy VibroSonic
  237. Amp just cuts out....
  238. Misc. Tube Values
  239. Classic 50 Input Jacks
  240. Tube Experts - Are these Amperex?
  241. Electrolytic Caps Question
  242. GT6l6 Black plate - Failure rate?
  243. Bought some new RFTs
  244. NOS Pre tubes need to break-in?
  245. Mullard 12AX7 questions
  246. Why did Leo go with 3.2 ohm speakers?
  247. capacitor dissipation pictures
  248. Traynor YBA1-A ?'s
  249. Input jack noise - total volume loss???
  250. what cap should i get for my jcm 800?