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  1. DRRI questions
  2. Found a amp project today comments welcome.
  3. Resistance across speakers.
  4. New Weber Speaker in My Velocette
  5. Standard Tone Stack Cap Value Question
  6. What's magical about the 4-16 ohms window?
  7. Recitifer tube?
  8. Looks like Atoms may be here to stay after all?
  9. rebiasing question
  10. Tube going bad? Bad Cat Cub... Which one? Refresh my memory...
  11. Amp Dropped Reverb Doesn't Work Help
  12. Clean up oozing capacitors
  13. Why does my amp sound different sometimes?
  14. wiring in parallel - odd question
  15. Rectifier tube trouble
  16. For EI tube fans
  17. Modding my Fender Bassman head...
  18. Can you diagnose this amp problem??
  19. Need help finding a schematic for a phono amp for a conversion for a friend
  20. Fender Amp tech question, Please help if you can...
  21. Speaker rating systems
  22. who is this guy?
  23. Recommended JTM45 mods
  24. Help Biasing a Class A Amp
  25. Is there any hope for this chassis as a guitar amp project?
  26. Positioning of V1
  27. tweed differences?
  28. NEW book about preamps!
  29. discharging caps
  30. How DO you bias an amp correctly?
  31. fix for "dirty" power?
  32. YBA-1 ground switch
  33. Red Plateing question
  34. A little Class D remedial help?
  35. Green face altecs
  36. JJ 6V6S putting out >15w in my Victoria 518
  37. tube amp noise question
  38. 12AY7 in a DRRI?
  39. Noobie wants to fix his own amp... help!
  40. Bringing back a messed-with small single-ended amp... help!
  41. Peavey XXX Retubing
  42. How do I get reverb into channel 1 of fender deluxe reverb reissue
  43. How do I make the 2 channels of a deluxe reverb reissue in phase with each other?
  44. '?? differences in biasing GEC KT77 compared to EL34 in JMP marshall'
  45. Changing out a resistor on a 5E3- Dangerous?
  46. blown fuse problem with a Marhsall Super Lead
  47. Question: Amp Damage from Bad Tube
  48. Suggestions for a Digital Multimeter
  49. Does this sound like a blown filter cap?
  50. Two questions about THD Hot Plate
  51. The 'Presence' control?
  52. Bias pot in Ampeg V-4B
  53. Amp makes "single coil" type hum
  54. Reeves Custom 50 head (EL34's)
  55. 6v6 tubes questions
  56. Too much bass/woofiness in Marshall Plexi circuit...
  57. Adding ground prong to an old Champ?
  58. 12AX7 and 12AY7
  59. Turning A Combo Into A Cab
  60. tubes for a Naylor SC-38
  61. Worthwhile SR mods?
  62. Noisey Microphonic Reverb
  63. Could this be a bad speaker?
  64. Changing the PI in cathode bias amp
  65. Chinese KT66 Rattle
  66. Who wants to fix my Valve Jr.
  67. Electro Harmonix or JJ tubes??!
  68. 'brighter' 12ax7
  69. Too low or too high voltage? I need help!
  70. Cap voltage values . . .
  71. Hot rod Deluxe input jacks
  72. Bias Question
  73. Gibson Skylark 5T Help the Dummy
  74. Speaker ohms question
  75. Tung-Sol Issues
  76. 12b4a Is used like high gain 12ax7?? or i'm being fooled?
  77. Bassman RI internal fuse value?
  78. deluxe reverb 2 problem
  79. London Power Press?
  80. New VA KT66 Dead in 20 hours...Replace w/ same/other?
  81. Class A + Orange
  82. this is a lil weird.
  83. Tweaky tone knobs?
  84. OK I tried that Zenith amp as is to see what it sounded like.
  85. hmm... an interesting terminology/nomenclature question...
  86. jtm 45 vs tweed bassman
  87. Amp Help
  88. modifying a Bassman
  89. Another beam blocker question.
  90. Reverb driver question
  91. Fender amp squeals when tilted back
  92. Help me service my Champ!
  93. Carvin SX100 amp speaker hiss
  94. Sozo Cap test
  95. EF86 front end on a Marshall!
  96. Speaker Phase?
  97. Fender Twin Reverb Noise Problem
  98. Dr. Z Rt. 66/KT45 questions
  99. EL84 amps and biasing
  100. 12AY7 question
  101. wiring a 4 10" for 16 ohms..?
  102. Vox AC15 CC, what tubes to buy for the best sound?
  103. Transformer Specs
  104. 12EU7 Preamp Tubes?
  105. ID a 12AX7 please
  106. not really technical amp info but...
  107. Loose tube base
  108. The importance of biasing.
  109. Anyone know if a a good online source for detailed Tube pictures?
  110. Brand new 1M pot bad?
  111. Question on a Champ 12...
  112. Amp impedance switching
  113. Silverface Vibrolux bypass caps
  114. Anybody have a Ceriatone DIY amp?
  115. Vox AC30 question - Subtones
  116. Bias question - voltage & current difference between tubes
  117. drri reverb & volume questions...
  118. Amp makes cracking losing power noises only at higher volume, what to do?
  119. Denver/ Colorado Amp Techs
  120. Princeton/Weber Speaker Problem
  121. Can speakers "go bad"?
  122. STF Electronics question
  123. What does "HI-MU" mean when describing a tube?
  124. Volume swell. What would cause this?
  125. Help! VAC 22 6V6 Bias
  126. What model Jensen speaker is this?
  127. New Project? SF Dual Showman Reverb Questions...
  128. Fender Concert II question
  129. Effect of cap type in BF vibrato circuit
  130. Restoring a Tweed Deluxe
  131. Fender Princetons
  132. Speaker sensitivity question...
  133. tube warm up time?
  134. Speaker Cab Insulation, Yes or No?
  135. Adding a "Speaker OUT" for Roland JC-55?
  136. Tube question
  137. international servicemaster 6l6gc
  138. Tung-sol 5881's in a Super Champ?
  139. Is This Fixable? (Twin Reverb Cab)
  140. Combo cabinet tolexing services???
  141. Suggest OP XFM fro Marshal TSL 100W
  142. Disconnecting a Fender Trem Circuit...
  143. Why Fenders are pedal un-friendly?
  144. Cap Goo
  145. Is this thing safe for my amp, anybody use one
  146. reverb on both channels
  147. Help with 50wOT for MS1987
  148. tube or other issue?
  149. Blasphemy ?
  150. Who will fix it?
  151. Instructions on biasing a Marshall head?
  152. Tung-Sol 6550 tubes anybody tried them
  153. Traynor production amp assembly video
  154. Any benefits of Series over Parallel or visa versa?
  155. SUPER CHAMP Gain Channel Mods?
  156. JCM800 2203 Bias Pots
  157. Amp Hum
  158. What can be done to (make better) a Blues Deluxe Re Issue
  159. De-rating amps
  160. Plate Voltage Question for Reverend Owners?
  161. Need Some Electronic Guru Help
  162. Fender Intensity Control Switch/pot... (wiring question)
  163. Power Tube glow question 50 watt Marshall
  164. Tung Sol KT 66?
  165. Ported 2x12 cab idea....
  166. Pulling tubes and using a Hot Plate
  167. Can reverb be added to a Showman?
  168. Mercury Magnetics?
  169. Bias Pot
  170. What output transformer for '68 Fender Vibrolux Reverb?
  171. Badger/Suhr/Power Scaling questions
  172. Dr.Z Maz38 - volume issues
  173. Switching a Sunn Model T to EL34s
  174. Help with blown fuse?
  175. Just got a peavey ultra 60, and was playing :( now it won't
  176. Retentioning octal tube sockets
  177. Fender power transformers; any effect on tone?
  178. Amp tech question...Fender Vibrolux
  179. Another Impedance Mismatch Question
  180. Lay rest to some amp myths
  181. Increasing Fender Bright Switch Cap. Uf Pf Nf ?!? Help
  182. preamp tubes problem solved??
  183. Where to get turret board?
  184. Marshall JTM-60 troubles..
  185. Weber Z Matcher?
  186. Fender Pro Junior Mods
  187. SFVR pull boost removal
  188. oscilliscope. any good cheap used models to go with
  189. Which 6L6 tube for '66 Pro Reverb, least amount of breakup?
  190. What gives still getting shocks?
  191. Budda sd18 troubles???
  192. Loose Tubes Cure ???
  193. Just got my Traynor, BUT
  194. Plate load resistor mod for AC30CC
  195. Looking for an Amp Tech in Los Angeles Area
  196. Fuse question
  197. Help! My new (old) Magnatone got boinked by UPS!
  198. Shielded wire from input jack; ground one end???
  199. FRED vs. THD Reactive Rectifier
  200. Hiwatt transformers - today's equivalent
  201. 5E5 Bassman cab vs. 5F6 Bassman
  202. 6L6GC identification?
  203. Speaker cab construction idea
  204. ohmage help!
  205. 5AR4/GZ34 = 5V4GA (Philips ECG/JAN)
  206. 68 Bandmaster Reverb cathode biased?
  207. '68 Traynor Custom reverb; remove ice pick highs via slope resistor?
  208. Help in re-capping my Gibson Falcon please?
  209. Current Production 6V6s?
  210. Identifying old versus reissue Mullard EL34 tubes?
  211. Question on KT66s
  212. Biasing 5881's
  213. Tube / valve Identification Codes
  214. What is the VibroKing a combination of?
  215. Zenith amp conversion update.
  216. Using a 1/2A fuse in place of a 1/4A...
  217. Question for you pro designers
  218. New Tubes For Fender Twin
  219. Eminence question
  220. Can someone ID this OT?
  221. Cabinet Help
  222. EVM Recone
  223. Mesa MK IV Question *Tube Related*
  224. where to get transformers?
  225. Bias Meters...
  226. New production tubes vs NOS
  227. Thoughts on Hammond OTs needed
  228. freezing tubes?
  229. What happens if I leave the 2 prong cord on a '70 Princeton Reverb?
  230. 22uf/500v cap on plate resistors?
  231. I think I killed my amp, HELP!!!
  232. Need tech in So. Fla..
  233. BF Bassman for mostly Bass. Tubes??
  234. Amp Cuts Out Until Well Warmed Up
  235. SF Bassman Retubing
  236. Musicman RP-100 EL-34 amp worth fixing?
  237. Tweaking the Tiny Terror - check my work?
  238. Want to run 4x10 cab as either mono or stereo
  239. More tube questions - troubleshooting - 6L6 GC
  240. Quick speaker question...
  241. I need help with speakers
  242. Tube socket center lug?
  243. How to find V1, V2 and V3 tubes position in a amp?
  244. Effects in the reverb loop--will it work?
  245. Ribbed Tele 12AX7 distortion characteristics....
  246. Unbiased, unmatched pairs for "vintage" tone?
  247. Best prices on caps, resistors, amp stuff?
  248. cap values in the power supply
  249. Two 2x12 cabs, one head
  250. Wohoo! My C. Rex is here!