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