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  1. Made the local Feedback Switchable... question:
  2. Help with SS Ampeg Head trouble....
  3. Earth problem in Guitar cause problems in Amp?
  4. is speaker cone-cry temperature dependent?
  5. 1940's Amp ID Help
  6. help with misbehaving bassman RI Ltd.
  7. what difference does dope make
  8. Help with ValveKing 212
  9. Fender tweeds - why short the secondary...
  10. Bad Sounding Plexi
  11. need amp tech ann arbor/detroit
  12. Getting more Mid control
  13. Orange won't turn on! Help!
  14. Mojo769 hookup
  15. More presence out of the presence control...
  16. Blues Jr-replacement tubes
  17. Super Reverb hiss
  18. New Production 6L6gc with largest pins?
  19. Power supply Question/Deluxe Reverb
  20. troubleshooting Fender FM 212R Guitar amp- It's a kid's amp
  21. Plate Voltage eluding me !
  22. Amp hiss...any thoughts?
  23. Fender Studio Bass Amp Volume Question
  24. Vox Custom Classic series amps/ changing speaker question
  25. Amp Bulb
  26. International 12AX7?
  27. Early Breakup on '95 Blues Deville
  28. 12AX7 DRRI question
  29. Variac question
  30. 6L6 tubes in a Deluxe Reverb
  31. bad cat trouble
  32. Matched quad = 2 pairs w/ same bias point?
  33. Blown vellocette transformer
  34. Broken Trace (Pics!)
  35. Dying OR120
  36. Suggestions for 65 Fender Champ Tubes to try
  37. Broken Hiwatt... Suggestions?
  38. So if you have an amp with 8 ohm and 4 ohm out can you use both?
  39. bad power in practice space
  40. One tube getting REALLY hot!
  41. Power tubes, help!!!
  42. 16 ohm minimum impedence question
  43. individual bias pots for each power tube
  44. Tweed Champ Has No Top End
  45. Ampeg Gemini sounds like a ring modulator
  46. really bright gibson skylark
  47. Output transformer & Rectifier Tube Question
  48. Quick dumb question about wattage
  49. Do you really need to bias your tubes?
  50. Shunting highs: What's your favorite approach
  51. So if I'm already faced with the issue of old wiring... (2 prong to 3)
  52. Bias Monitoring Question
  53. Reverb send & receive as an effects loop
  54. Vitamin T caps in Fender circuit?
  55. FX loop
  56. AC15 Heritage
  57. Help - Blowing Fuses!
  58. Best way to install adjustable bias in 5E7 bandmaster?
  59. Bias on a 93 Blues DeVille
  60. testing RCA 6l6GC tubes
  61. Ceria OTS schematic?
  62. Noisy Marshall Super Lead
  63. Fuse blows when amp is moved - Ideas?
  64. First time bias help
  65. Random Squealing Noise
  66. Can you identify this unmarked EL84 tube?
  67. Fender Supersonic Bias...I smoked the R140
  68. NEED YOUR HELP . Marshall Jcm2000 TSL 100
  69. I just troubleshot and fixed my amp
  70. help trace elliot problem
  71. Trouble emission testing Russian 12AX7's?
  72. Mexican radio on my VT-40....
  73. NOS Preamp Tubes VS NOS Power Tubes...
  74. Slower Tremolo on BF?
  75. Cap canister instead of cap stack ?
  76. TAD Tube Problems
  77. Tweed Princeton 5F2A questions
  78. New OT...
  79. Speaker swapping
  80. 100 watt head with less wattage speaker
  81. Champ 12 - which circuit?
  82. Fender Super-Sonic MODs
  83. Isolation transformers....
  84. help - creating head out of combo!!!!!
  85. Kustom Defender Bias Question
  86. 5e3 build project-need some help pls
  87. Marshall 1974x Transformer Hum (60 cycle hum)
  88. replacement for NOS Philips 7581a's
  89. Vintage Ampeg Repair Tech Needed - Recommendations Please?
  90. OHM's question
  91. Interesting Fender AB165 Bassman -> Express Mod
  92. Power Amp question
  93. Vp=480V on new-production 6L6es; OK?
  94. Oxford speaker ?
  95. solid state question, Fender Pro 185 problem
  96. issue with '66 bassman
  97. CALLING AC30 TBX (korg reissue) owners to council!!!
  98. filter caps for pcb amps
  99. "Out of the Dust" Tubes
  100. Funny what you find if you take a close look...
  101. Signal Generator Sucking B+??
  102. need the straight dope on Weber kit pots and tube sockets
  103. How would you go about tightening the bass response up in an amp?
  104. Hi, I'd like to add a bias pot to a Mesa Boogie Express.
  105. '68 Fender Deluxe Reverb: New Reverb Trasformer
  106. 68 Super Reverb: just not right....
  107. Changing tubes in Pro Junior
  108. Champ Kit
  109. orange ad30 htc keeps blowing main fuse, please help
  110. Blues Jr Speaker install
  111. Pot for red-knob Twin- where to find?
  112. 71 sf Vibrolux issue's
  113. Using a Y connection to use the pre amp in my head to supply sound to 2 power amps
  114. My combo speaker cable is too short to run my attenuator!
  115. Budda SD18 making crackling noise
  116. Gretsch 6162 reverb tank dead
  117. Bad Transformer
  118. Resistor/Cap kits available?
  119. Vintage HiWatt re-bias, need help
  120. Power rating speakers
  121. Replacement tubes for Blues Junior?
  122. Cracking in the Fender HRdeluxe
  123. US amps with step-down trans in Europe
  124. AB763 Low Humm Help
  125. VC30 output tranny
  126. Fender Super Champ XP - speaker mounting screws dimensions?
  127. JBL Pro 15" Model- 222OH ???
  128. Gretsch 6149 Reverb Schematic?
  129. JCM 800 won't bias
  130. Biasing NOS Philips ECG 7581A (6L6 variant)
  131. Fender 1962 Deluxe Wiring
  132. Two Tubes Redplating (See Inside for Free Bonus Symptoms!)
  133. Id tube from etch code ?
  134. Princeton Reverb Problem
  135. Allen Accomplice: Pre-amp or Power Tube Suggestions?
  136. Power Tranny for Bassman (sort of...)
  137. Bassman Rectifier tube. Which one?
  138. Partial Ceriatone OTS schematic
  139. Removing a reverb spring???
  140. Art of Vacuum Tube Fabrication
  141. Need Help! BFSR with blue glow on power tubes
  142. Switching between filter caps
  143. Which High gain pre amp tubes
  144. Pedal/Amp problem 60Hz B~U~Z~Z
  145. Need Tech Help
  146. Selmer Treble & Bass issue
  147. In search of input jacks for Fender "The Twin"
  148. Converting a Marshall 9100 for EL-34s
  149. Combo and Cab Ohm Question
  150. Using the different inputs in LTP inverter?
  151. JCM 800 boosts when volume at 7?
  152. Recommend me an iron for doing chassis grounds
  153. Troubleshooting help needed - Fender DRRI
  154. Problem biasing KT88s
  155. Egnater Tourmaster Footswitch Jack Replacement
  156. EF86 Vox/Marshall Clone Issues
  157. Fender Prosonic Combo Reverb Hum
  158. +B voltage of the Drake 789-87 PT
  159. out of phase??
  160. Hiwatt PI
  161. Tube Suggestions - V3
  162. 4x10 ohm questions
  163. Blackface Princeton Reverb Cabinet Plan/Dimensions
  164. Does dropping plate vt affect line level fx loop
  165. need Ampeg B-15 layout or picture
  166. Bias Tools. Today I decide.....
  167. 10uf 450V caps?
  168. Issues with Sovtek MIG 50
  169. "Splatty" sound in ODS-style amp?
  170. Marshall JCM 900 Dual Reverb questions
  171. Volume fluctuations - two amps doing this.
  172. New to 7591's - how should they look when running?
  173. Mesa Nomad 55/ Transformer Upgrade?
  174. Wattage Question concerning the Peavey JSX
  175. blue flame- 6973 tube!
  176. strange reverb hum ab763.amp has been sent twice to tech
  177. SDGvintage kit experience?
  178. 65' TRRI. Reverb humming.
  179. 5F4 Super questions
  180. Attenuation of a 15R speaker
  181. Unity Gain?
  182. Wiring a reverse phase speaker cable
  183. Help! '65 Ampeg Rocket2 began to 'hum' today?
  184. Bias isn't high enough, but the pot won't go higher
  185. Reverb problem on Gibson Falcon
  186. Power tube ?
  187. Caps needing to be powered up how frequently?
  188. Biasrite issues
  189. Changing plate resistors on preamp tubes
  190. Mystery box of Tung Sols...
  191. Hum on the FX RETURN on my Budda SDII ??
  192. The Use of an unknown Transformer??
  193. Bias problem
  194. Static from Deluxe Reverb
  195. New discussion site and webzine (Old School Guitar)!
  196. Thinkin' about having someone do a build ala Fender
  197. best new GZ34
  198. Bluesbreaker re-issue suggestions?
  199. Reverb tank issue on my Matamp
  200. JCM 800 Volume Issue
  201. Yet another fuse question
  202. Dealing with the screens on a 5E7 (a question or two)
  203. Bassman 59 ltd help
  204. Fargen Blackbird blows fuses.
  205. dumb speaker question
  206. Marshall JTM-60 squealing, and NoVA amp techs?
  207. Advice on Low Priced (defective) PA Head?
  208. Biasing my Marshall messes with my mind...
  209. 3 Prong Plug in Europe
  210. Resistor Question
  211. Deluxe Reverb Volume Problem
  212. SS Rectifier plug in Bluesbreaker re-issue?
  213. Brown deluxe bias issue
  214. MIJ Raytheons???
  215. 1/2 blown OT? Just confirming
  216. Anyone have any experience with the Raytheon 12AT7?
  217. Pro Jr Issue, advice?
  218. Tube amps can kill you!! I understand...
  219. Tiny Terror help---again
  220. PA Question
  221. Question on screen grid resistors
  222. Parkhead Marshall Mod does it work?
  223. My Marshall is in trouble.
  224. Marshall OEM 12ax7-what are they?
  225. Safe to run an old deluxe reverb transformer at 4 ohms?
  226. Mackie 808S mixer/amp question
  227. components coming loose?
  228. Vox question - Power Switch and question - AC15CC
  229. Ampeg Rocket Octal Preamp Tube Replacements
  230. HRDx power tubes
  231. Tube swap question
  232. amp intermittently cuts out
  233. has anyone measured/charted the temp. characteristics of CC resistors?
  234. Vintage amp repair anywhere
  235. Is it possible to get 50 watts out of 2 el84s?
  236. Allen Old Flame Dies Suddenly
  237. Master volume not working question.
  238. Help please: identify speaker?
  239. blues jr issues
  240. Sensitivity of Vintage Jensens?
  241. Burn in: What do you do??
  242. Where would you look first?
  243. Full winding - MM in Low powered Twin
  244. Out of Control Model Train Sound from amp...
  245. LED Wiring Guidance for Single Button FSwitch
  246. Can Power tubes go microphonic?
  247. Bassman 1964 blonde what has been replaiced?
  248. Convert 8ohm speaker to 16???
  249. Preamp tube change-outs
  250. Reverb bag & tank installation help