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  1. testing RCA 6l6GC tubes
  2. Ceria OTS schematic?
  3. Noisy Marshall Super Lead
  4. Fuse blows when amp is moved - Ideas?
  5. First time bias help
  6. Random Squealing Noise
  7. Can you identify this unmarked EL84 tube?
  8. Fender Supersonic Bias...I smoked the R140
  9. NEED YOUR HELP . Marshall Jcm2000 TSL 100
  10. I just troubleshot and fixed my amp
  11. help trace elliot problem
  12. Trouble emission testing Russian 12AX7's?
  13. Mexican radio on my VT-40....
  14. NOS Preamp Tubes VS NOS Power Tubes...
  15. Slower Tremolo on BF?
  16. Cap canister instead of cap stack ?
  17. TAD Tube Problems
  18. Tweed Princeton 5F2A questions
  19. New OT...
  20. Speaker swapping
  21. 100 watt head with less wattage speaker
  22. Champ 12 - which circuit?
  23. Fender Super-Sonic MODs
  24. Isolation transformers....
  25. help - creating head out of combo!!!!!
  26. Kustom Defender Bias Question
  27. 5e3 build project-need some help pls
  28. Marshall 1974x Transformer Hum (60 cycle hum)
  29. replacement for NOS Philips 7581a's
  30. Vintage Ampeg Repair Tech Needed - Recommendations Please?
  31. OHM's question
  32. Interesting Fender AB165 Bassman -> Express Mod
  33. Power Amp question
  34. Vp=480V on new-production 6L6es; OK?
  35. Oxford speaker ?
  36. solid state question, Fender Pro 185 problem
  37. issue with '66 bassman
  38. filter caps for pcb amps
  39. "Out of the Dust" Tubes
  40. Funny what you find if you take a close look...
  41. Signal Generator Sucking B+??
  42. need the straight dope on Weber kit pots and tube sockets
  43. How would you go about tightening the bass response up in an amp?
  44. Hi, I'd like to add a bias pot to a Mesa Boogie Express.
  45. '68 Fender Deluxe Reverb: New Reverb Trasformer
  46. Changing tubes in Pro Junior
  47. Champ Kit
  48. orange ad30 htc keeps blowing main fuse, please help
  49. Blues Jr Speaker install
  50. Pot for red-knob Twin- where to find?
  51. 71 sf Vibrolux issue's
  52. Using a Y connection to use the pre amp in my head to supply sound to 2 power amps
  53. My combo speaker cable is too short to run my attenuator!
  54. Budda SD18 making crackling noise
  55. Gretsch 6162 reverb tank dead
  56. Bad Transformer
  57. Resistor/Cap kits available?
  58. Vintage HiWatt re-bias, need help
  59. Power rating speakers
  60. Replacement tubes for Blues Junior?
  61. Cracking in the Fender HRdeluxe
  62. US amps with step-down trans in Europe
  63. AB763 Low Humm Help
  64. VC30 output tranny
  65. Fender Super Champ XP - speaker mounting screws dimensions?
  66. JBL Pro 15" Model- 222OH ???
  67. Gretsch 6149 Reverb Schematic?
  68. JCM 800 won't bias
  69. Biasing NOS Philips ECG 7581A (6L6 variant)
  70. Fender 1962 Deluxe Wiring
  71. Two Tubes Redplating (See Inside for Free Bonus Symptoms!)
  72. Id tube from etch code ?
  73. Princeton Reverb Problem
  74. Allen Accomplice: Pre-amp or Power Tube Suggestions?
  75. Power Tranny for Bassman (sort of...)
  76. Bassman Rectifier tube. Which one?
  77. Partial Ceriatone OTS schematic
  78. Removing a reverb spring???
  79. Art of Vacuum Tube Fabrication
  80. Need Help! BFSR with blue glow on power tubes
  81. Switching between filter caps
  82. Which High gain pre amp tubes
  83. Pedal/Amp problem 60Hz B~U~Z~Z
  84. Need Tech Help
  85. Selmer Treble & Bass issue
  86. In search of input jacks for Fender "The Twin"
  87. Converting a Marshall 9100 for EL-34s
  88. Combo and Cab Ohm Question
  89. Using the different inputs in LTP inverter?
  90. JCM 800 boosts when volume at 7?
  91. Recommend me an iron for doing chassis grounds
  92. Troubleshooting help needed - Fender DRRI
  93. Problem biasing KT88s
  94. Egnater Tourmaster Footswitch Jack Replacement
  95. EF86 Vox/Marshall Clone Issues
  96. Fender Prosonic Combo Reverb Hum
  97. +B voltage of the Drake 789-87 PT
  98. out of phase??
  99. Hiwatt PI
  100. Tube Suggestions - V3
  101. 4x10 ohm questions
  102. Blackface Princeton Reverb Cabinet Plan/Dimensions
  103. Does dropping plate vt affect line level fx loop
  104. need Ampeg B-15 layout or picture
  105. Bias Tools. Today I decide.....
  106. 10uf 450V caps?
  107. Issues with Sovtek MIG 50
  108. "Splatty" sound in ODS-style amp?
  109. Marshall JCM 900 Dual Reverb questions
  110. Volume fluctuations - two amps doing this.
  111. New to 7591's - how should they look when running?
  112. Mesa Nomad 55/ Transformer Upgrade?
  113. Wattage Question concerning the Peavey JSX
  114. blue flame- 6973 tube!
  115. strange reverb hum ab763.amp has been sent twice to tech
  116. SDGvintage kit experience?
  117. 65' TRRI. Reverb humming.
  118. 5F4 Super questions
  119. Attenuation of a 15R speaker
  120. Unity Gain?
  121. Wiring a reverse phase speaker cable
  122. Help! '65 Ampeg Rocket2 began to 'hum' today?
  123. Bias isn't high enough, but the pot won't go higher
  124. Reverb problem on Gibson Falcon
  125. Power tube ?
  126. Caps needing to be powered up how frequently?
  127. Biasrite issues
  128. Changing plate resistors on preamp tubes
  129. Mystery box of Tung Sols...
  130. Hum on the FX RETURN on my Budda SDII ??
  131. The Use of an unknown Transformer??
  132. Bias problem
  133. Static from Deluxe Reverb
  134. Thinkin' about having someone do a build ala Fender
  135. best new GZ34
  136. Bluesbreaker re-issue suggestions?
  137. Reverb tank issue on my Matamp
  138. JCM 800 Volume Issue
  139. Yet another fuse question
  140. Dealing with the screens on a 5E7 (a question or two)
  141. Bassman 59 ltd help
  142. Fargen Blackbird blows fuses.
  143. dumb speaker question
  144. Marshall JTM-60 squealing, and NoVA amp techs?
  145. Advice on Low Priced (defective) PA Head?
  146. Biasing my Marshall messes with my mind...
  147. 3 Prong Plug in Europe
  148. Resistor Question
  149. Deluxe Reverb Volume Problem
  150. SS Rectifier plug in Bluesbreaker re-issue?
  151. Brown deluxe bias issue
  152. MIJ Raytheons???
  153. 1/2 blown OT? Just confirming
  154. Anyone have any experience with the Raytheon 12AT7?
  155. Pro Jr Issue, advice?
  156. Tube amps can kill you!! I understand...
  157. Tiny Terror help---again
  158. PA Question
  159. Question on screen grid resistors
  160. Parkhead Marshall Mod does it work?
  161. My Marshall is in trouble.
  162. Marshall OEM 12ax7-what are they?
  163. Safe to run an old deluxe reverb transformer at 4 ohms?
  164. Mackie 808S mixer/amp question
  165. components coming loose?
  166. Vox question - Power Switch and question - AC15CC
  167. Ampeg Rocket Octal Preamp Tube Replacements
  168. HRDx power tubes
  169. Tube swap question
  170. amp intermittently cuts out
  171. has anyone measured/charted the temp. characteristics of CC resistors?
  172. Vintage amp repair anywhere
  173. Is it possible to get 50 watts out of 2 el84s?
  174. Allen Old Flame Dies Suddenly
  175. Master volume not working question.
  176. Help please: identify speaker?
  177. blues jr issues
  178. Sensitivity of Vintage Jensens?
  179. Burn in: What do you do??
  180. Where would you look first?
  181. Full winding - MM in Low powered Twin
  182. Out of Control Model Train Sound from amp...
  183. LED Wiring Guidance for Single Button FSwitch
  184. Can Power tubes go microphonic?
  185. Bassman 1964 blonde what has been replaiced?
  186. Convert 8ohm speaker to 16???
  187. Preamp tube change-outs
  188. Reverb bag & tank installation help
  189. Red Bear Filter Caps
  190. Can/should electrical contact cleaner be used on tube sockets from time to time?
  191. Changes to AB763 Tone stack?
  192. Do Class A amps require biasing?
  193. Blonde Tremolux Output Transformers
  194. Orange RV50 - who has tried what different tubes in these amps?
  195. Low whistling sound kinda like feedback
  196. how does a channel switcher work...technically...
  197. Tube Rating information - EL84s
  198. JCM 800 Issue (2204)
  199. If your starting to doubt your AC15? (Mod Content)
  200. Help troubleshoot my McIntosh MC 240
  201. AC30 Info Please
  202. Installing a tube bias pot
  203. Pull tubes in a 4 x EL84 amp?
  204. Help choosing: 8 or 16 Ohm speakers...
  205. Are these tubes viable in 6L6 amps?
  206. Hot-Rod Your Blackface Fender Normal Channel
  207. Blues Junior safe with 4 ohm load?
  208. When you cant find the right multi cap??
  209. Deluxe Reverb Reissue Footswitch question
  210. 6V6 question
  211. valve art kt66
  212. Where is the bias pot in my Rivera Rake?
  213. Bias and rectifier tube swap in Tweed Deluxe and Tweed Bassman
  214. When a filter cap goes bad....
  215. Vibrolux reverb power supply resistors - change for more headroom?
  216. Why No Sound?
  217. Can you fix "loose" preamp sockett
  218. Difference between an English and Chinese made Celestion Vintage 30 speaker?
  219. How to determine the correct reverb pan?
  220. One of my four 6L6 doesn't show blue light inside!
  221. Beginner Amp Kits?
  222. Can it damage an amp if...
  223. Which pre-amp valve would be V1 in my Carlsbro 60 Twin?.
  224. Sovtek Mig-100 Mod
  225. Mesa 50/50 conversion to EL34's
  226. How hard is it to work on an amp?
  227. Fender reverb tweaks, mods?
  228. National 12AT7?
  229. Would any triode go into my preamp?
  230. In case anybody wants the official Marshall 5881 to EL34 conversion guide
  231. When caps go bad....
  232. 3x10" speakers in a combo
  233. Can anyone help me in indentifying 2 Vox amps?
  234. looking for some help
  235. Transformer Info
  236. Amp Buzzing?
  237. Powerblock preamp similar to Ampeg SS?
  238. Tubes for a 66 Pro Reverb
  239. Bias and wall voltage
  240. Yugoslavian Telefunkens
  241. Power tube falls out at high volume.
  242. Phase Inverter missing pin
  243. Fender '68 Deluxe Reverb: Treble acts like a reverse master, cuts Vol at 10
  244. GE 6V6GTA vs Brimar 6V6GT vs Tung Sol RI's
  245. Source for a tranny for fender brown deluxe (6G3)
  246. Potential Isolation Transformer
  247. Concert II Reverb Issue
  248. Trout, Brad I found the treble feed back issue
  249. replacing power light on ampeg super rocket
  250. How much do capacitors & trannys affect sound?