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  1. Just got a batch of 50's-60's 12ax7's
  2. princeton reverb question (pull boost, price ranges)
  3. Amp took a spill, Now problems arise
  4. Bias probe vs. OT shunt method - which is more accurate?
  5. Tube Amp Problem. PLEASE HELP!
  6. example Bias-probe readings from your Hot Rod DeVille?
  7. running 2 8ohm cabs at 8ohms?
  8. really weird tone control question?
  9. Magnet too close to tubes?
  10. Post Phase Inverter MV
  11. Need help troubleshooting Butler preamp/OD
  12. Bad Cat Hot Cat 15 pre amp tube placement
  13. Fender blackface Reverb Pans
  14. Mix and Dwell mod
  15. Guitar or Speaker Cable?
  16. Marshall 1974X amp PT problems Solved?
  17. Tonestack in BF/SF fenders what values and compostion?builders/modders/discuss
  18. Help me pick a new battery of tubes for my amp....
  19. Discharging caps?
  20. Fargen VOS with THD Yellowjackets
  21. #1847 bulb in my tweed deluxe, available at hardware/automotive stores?
  22. Fuse values ???
  23. An ohm question
  24. Crate Palomino V32 mod - swap Reverb Tanks and NOS tubes
  25. Question about blackfacing a SF Deluxe
  26. Static while in half power mode:Wild Cat 40R
  27. bad Speaker... how do I tell what's wrong?
  28. Tubes For Mesa/Boogie Nomad 55?
  29. Info on these RCA Blackplate 6L6's
  30. rectifier for 68 pro reverb
  31. choppy reverb signal
  32. Tone manipulation on a 2 stroke
  33. Speakers for my Super Reverb
  34. Plate voltage and tone?
  35. Preamp Tube Questions for a Fender Blues Deluxe RI...
  36. Sound coming and going...
  37. 6l6,s for most clean headroom ?
  38. Just acquired an amp with NOS tubes- need some advice
  39. Fender Blues Junior Mods
  40. Reverb Tank as Effects Loop
  41. I liked Sovtek 5881s best !?
  42. 240V, mains power
  43. Need a good bass, TMB tone stack for EF86
  44. What "interrupt rating" for amp fuse?
  45. Speaker Efficiency
  46. The 1967 "assman" Rebuild Thread
  47. biasing...how crucial?
  48. Power Tubes for Mesa/Boogie?
  49. custom amp build - anybody feeling frisky?
  50. Suggestions for 6SC7 front-end design to SE 6L6?
  51. Any way to make a 100K pot into a 50K?
  52. Fender Prosonic Bias Help
  53. Will this footswitch work in this application?
  54. Silvertone 12AX7 ID
  55. Somebody Help!!
  56. Marshall 4 pin Input Jack
  57. Smallest 220V transformer out there?
  58. PT secondary voltage (VAC) in Magnatone 280
  59. Rectifier very loose nned to tighten socket
  60. another amp hum problem.
  61. Screen resistors vary...does it matter?
  62. Fender '57 Tweed Twin RI users; what tubes do you prefer?
  63. JJ 12AX7 Gold pin - anyone tried them?
  64. HELP!!! Bass and treble knobs on bad cat won't work
  65. Electrovoice EVG-12
  66. low glow in V1 preamp tube
  67. Found a gem, '64 Bassman AA864
  68. siemens preamp tube question
  69. Bandit 112 speaker out
  70. Changing grille cloth?
  71. Biasing head with external bias points
  72. My Mission, should I decide to accept it: Bassman Transformer
  73. 6V6 tube key broken: can it be superglued back on?
  74. Possible to change 6AOBA tube to a 6v6? Musicmaster Bass Amp Content
  75. Bandmaster 5B7 transformers
  76. Recommended 12AX7's for combos
  77. First time repair project - Ampeg Reverberocket... help, tips or throughts?
  78. I wanna make sure I'm not chewing up any tubes... help?
  79. Speaker/amp impedance matching & power rating/handling question
  80. Blending 2 amps for tone
  81. Mesa/Boogie Bias,& Other Power Tube ?
  82. Setting Bias with trim pots: blackstar ht-5
  83. Good Source to read up on Tube Comparisons?
  84. Broken Dr Z Air Brake
  85. 2X10 vs 1X12?
  86. Voltages in stock 5E3?
  87. Tube Dampers
  88. If An Amp "Rings" With One Guitar...
  89. Fluke Multimeter & Tube bias question
  90. Un-Modding an Allen Old Flame
  91. Ferrite vs Ceramic Speaker magnet???
  92. Reverse audio pot wiring
  93. Need keyboard rig advice
  94. Issues with old Dual rectifier Cabs output
  95. 65' bassman mods
  96. Fender faceplate question?
  97. Kendrick Speaker Question
  98. Help: Tube amps and Generators
  99. Tube question?
  100. Do THD Yellowjackets need matching EL84's?
  101. vibro champ tubes
  102. Marshall JMP circuit photo cap question?
  103. Fender HR Deville-How much did I save?
  104. For the amp gurus...Marshall RF problem
  105. Blues Jr. Bleeder Resistors
  106. Fender content:100 ohm resistors on bias cap for preamp?
  107. Are 6sl7's and 6sn7's interchangeable?
  108. Plate voltage in a Princeton 6G2
  109. twin breakup
  110. Cornford has lost half its output level
  111. SFSR -- Odd sound in Reverb Channel after playing for an hour
  112. Orange ad30tc combo problem
  113. familer with this tube ? 6n6c
  114. Fender Reverb Tank Weirdness
  115. Bad input jack
  116. What's Wrong Here?
  117. Preamp tube selection?
  118. BF pro reverb and a 5U4?
  119. amp gain pot?
  120. 6AV6 Tube Question?
  121. Blowing pre amp tubes in Peavey Classic 30
  122. Where is the "throb" coming from on my Naylor?
  123. Fender Pro Reverb (1971) with 6L6GC glowing blue
  124. Ideas regarding unwanted sound in my tube amp.
  125. Wiring speaker; positive and negative
  126. Found an amp that says 240 volts!
  127. Classic 30 gain stage blend idea
  128. Reverb Transformer Current Rating
  129. SRRI bias adjustment/resistor replacement
  130. Amp Noise
  131. Transformer/rectifier tube question...
  132. simple fender maintenance mods?
  133. Connecting New Speakers (MusicMan Content)
  134. Bias readings on a 6G2 Princeton
  135. Ampeg Rocket 2 Pix and Questions
  136. Tube Recommendation? Need octal tube early break up
  137. Questions about the Clark Beaufort.....
  138. dsl jcm 2000 volume dropping out
  139. Amp hum...uh oh.
  140. VOX AC-15HT1V Combo acting strange
  141. Sub a 5Y3 for a GZ34 in Lightning?
  142. how do i know if rectifyer tube is bad?
  143. Help with arcing output tubes
  144. Black Pearl down
  145. Swapping OT's - as simple as it looks?
  146. Speaker power rating- watts up?
  147. Is it possible to build an amp that selects between one, two, or four powertubes?
  148. AA165 pro reverb vs bassman bias pot question
  149. Dumble ODS No124 degunked.
  150. Blown speaker & electric shock query
  151. Tube Placement in Fargen VOS
  152. Symptoms of a "Dropped" Voice Coil
  153. Amp still plays on standby?
  154. How to open up a Vibro~King extension cab?
  155. mojave coyote circuit ???
  156. Pls explain amp wattage and speaker power handling numbers?
  157. Installing bias test points on a Fender DRRI
  158. Eliminating hum
  159. Dis charging caps on Classic 30
  160. 6l6 in el34 amp
  161. Amp sounds like it has tremolo (fluctuating volume)
  162. I need the schematic on a Oliver G400R Head
  163. Need a Trace Elliot Acoustic (TA100R) schematic
  164. drip edge princeton reverb bias filter cap value
  165. Laney VC30 noisy?
  166. Amp volume control stuck on high
  167. BF pro reverb, volume drops-out ?
  168. Gemini 1 wiring,caps,etc.
  169. Super Reverb Tremelo Noise -- The helicopter effect?
  170. experience with current production 5751???
  171. Do "dry" electrolytics dry out?..
  172. Tube Question--blue/purple huecoming from 6L6'S
  173. ?relationship between ohms and going from 4 power tubes to 2 power tubes
  174. Problems updating Vypyr.
  175. How to measure Plate Voltage on DRRI?
  176. Reeves custom 50 ?
  177. Mesa Lone Star Special problem
  178. No power all of a sudden
  179. bassman 20 power transformer
  180. Pre-amp Fixed bias / or self bias. Which is better ?
  181. Homemade Bassman 5F6A
  182. EL84 Tube Rating
  183. DIY OT Swap-Am I Safe
  184. 1967 Deluxe Reverb Problem
  185. Amperex 6BQ5/EL84: Yeah!!!
  186. Wattgrinders?
  187. SRV's Vibroverb dissected surprising mods.
  188. How often do you change your PI?
  189. Crackling while warming up
  190. Trace Elliot Quatra Valva bass amp problem
  191. 59 5G9 Tweed Tremolux Trouble . HELP !!
  192. Hoffman point to point mod
  193. Blown Power Transformer?
  194. Best approach when going from 2 to 3 prong AC
  195. Vox AC15htv busted!
  196. Help w/ 12AX7A ID please
  197. Star Sirius 30 Manual/Tube Chart
  198. 5Y3GT in place of a 5AR4?
  199. bassman middle control install gone wrong
  200. Just scored a pair of late 1930's/early 1940's 6V6G's
  201. Fender Hot Rod Deville 212 problem
  202. Twin reverb not powering on...help!
  203. Circuit design and tone impact
  204. Divided by 13 biasing
  205. Noise issue and tube recommendation for TopHat Club Royale 1x12 (GZ34 rectifier tube)
  206. Sprague Atoms The Surprise is inside
  207. Amp failure and "insert" inputs.
  208. Attenuators, headphone taps and you
  209. Which preamp tube to replace? And with what?
  210. Peavey 6505 problem
  211. Looking at a JCM 900 MK3 but have a question
  212. How to bias this amp?
  213. Traynor YBA-3 gut shots
  214. how do I make my 1974 clone feel more loose ?
  215. Fender 93' Concert Questions
  216. Magnets vs. Tubes. A problem?
  217. OHMS question
  218. Need Tube shields where do I find em
  219. Fender 65 twin Reissue
  220. Add effects loop?
  221. Epiphone Valve JR Mods
  222. 5150 iii starting to pop when channel switching
  223. Fender Twin Reverb 1965 RI with external cab.
  224. Fender DRRI Hummmmms ...
  225. Tubes in a quad: Where to put mismatched pairs?
  226. hows to wires up a 6V recto filament center tap!??
  227. Don't be too harsh on me, but...
  228. HELP! - Marshall 100W JCM 2000 DSL - Output Problem on "Classic" Channel A
  229. Replacing power tubes without biasing
  230. Changing a 5AR4 to a 5U4 in a Dr. Z?
  231. Traynor Electrolytic re-cap: more uf's ?
  232. 59 5G9 Tremolux Now Repaired !
  233. Krinard Prototype Confusion
  234. DRRI Hum and Volume Pot Issues
  235. Bassman AB165 to 6g6b conversion possible?
  236. bag o' verb
  237. Trying new preamp tubes. Switch types, or brands?
  238. Switches popping
  239. My amp's dirt channel stays on even when I disengage it
  240. impedance mismatch smoked the amp?
  241. Twin reverb voltages
  242. 4 ohm amp/8 ohm speaker???
  243. Silverface Champ Bias Mod
  244. Vox vt30 shematics
  245. I am looking for someone to write an amp schematic.
  246. Static/popping noises and buzzing - Power issue?
  247. Dumb impedence question
  248. Avatar G112 Cube - front-loading ??
  249. Problem with JCM800, fraps out over 2 on the master
  250. Power cord directly to rectifier tube?