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  1. 59 Bandmaster Too much distortion
  2. pulling 2 tubes in a dual showman?
  3. Pignose G40V Tube Swap-Out?
  4. Favorite single 12ax7 for cleans?
  5. Newb question about Biasing
  6. German black plate 12AX7?
  7. Pro JR
  8. Silvertone 1482: 4 ohm or 8 ohm OT?
  9. Switchbone
  10. Preamp or power tubes will affect tone more?
  11. Deluxe Reverb with the Mullard GZ33
  12. Question about AB 763
  13. Best book for Amp electronics understanding and/or building for newb
  14. Ab763 cap missing (10pf on the 3.3M/10pf)... what effect does it have?
  15. Need help with BF Bassman backpanel
  16. Is this a natural occurance?
  17. Impedance mismatch & blackface amps...
  18. 6-6V6's ?
  19. What does a STANDBY switch do?
  20. Cold biased tubes for Matchless?
  21. Hmmm..what are these diodes doing in the power section?
  22. general amp maintenance - new to this
  23. Bassman LOve!
  24. Good 4" speaker for guitar practice amp?
  25. Can any mods make the new Vibrolux sound good?
  26. Amp tech problem.
  27. Weber Attenuators - Mini Max
  28. reverb problems
  29. Original Equipment Tubes
  30. Blackfacing a '68 or '69 Silverface
  31. Does a 45w Princeton Rev. HAVE to sound like a Boogie?
  32. Arg!!...Help with grounding issue (??)...
  33. Can I use 3.2ohm in a 4ohm amp?
  34. Buffered Splitter
  35. Meas Nomad 55 trouble ?
  36. Advice needed re: porting a 4x10 cab
  37. When bad things happen to good tubes....
  38. Tung Sol 5881 RI vs. Ruby Tubes 6L6GC STR
  39. Tube Matching Question
  40. JAN/Phillips 6AU6WC ?
  41. What Needs Replacing/Maintenance in my Amp?
  42. What are mods you can do to ANY valve amps?
  43. Extension Cab for Blues Jr.
  44. High Efficiency Speakers
  45. Tube tester question
  46. Tonal qualities of caps for tweed Pro
  47. Miniature Toggle OK for Standby Switch?
  48. Custom Cable Needed
  49. Bias question
  50. Will an export amp work in the States?
  51. what limits the clean headroom of my 64 princeton reverb?
  52. Tech tip for the do it yourself built chassis
  53. Tung-sol reissue 12AX7 failure
  54. Has anyone ever used the Omnisonic Volume Control Box
  55. Can you DI a valve preamp/solid state power amp, without a load?
  56. I want to use a V30 in my Fender concert..
  57. 6V6GTA vs other 6V6's
  58. Volume Boost On Tonemaster
  59. Ruby a better reverb tank than accutronics?
  60. technical view.. how is the Fender 57 twin?
  61. Almost ultrasonic.
  62. Question - Peavy Classic 30
  63. Speaker Cab wiring?
  64. Help with Schematic
  65. 12av7
  66. Weird chirping/oscillation in BF Bassman
  67. Sonically speaking - what's the difference in these speakers?
  68. long plate, short plate, smooth, ribbed, why so many?
  69. Noob help with some tube problems
  70. Ticking and motor-boating in a Velocette
  71. why are RCA blackplates so expensive?
  72. NEETS reference
  73. TAD 6L6's
  74. Quincy speakers? anyone know this old company ?
  75. Safe mismatch with tube heads?
  76. Pro Reverb Speaker Cutting in and out
  77. what ECC83s should i get for my VC30
  78. Soldering Question
  79. SF Princeton Non-Reverb Voltages
  80. KT66 vs EL34 Output Transformer
  81. What makes an amp punch like the FTR37?
  82. Quick question for you techies...
  83. Volume drop at volume, bad filter caps?
  84. Neg Feedback Tweed Pro and Bandmaster
  85. T or F: Ruby 12ax7a = jjecc83?
  86. EL34 vs. KT77
  87. Tube Amp Transformer Safety Device?
  88. Crossing Military numbered tubes. Anyone have a link?
  89. Amp cuts out if I stop playing, comes back up when I do
  90. ca. 1971 Marshall 50 Watt AC Power board
  91. Using KT66 instead of EL34's??
  92. Problem w/ Epi Valve Jr after latest mod...
  93. mission amp 5e3 questions
  94. Question: biasing my Germino Club 40
  95. plate load resistors SFDR
  96. Are these soldering irons sufficient for an amp build?
  97. Yellowjacket question
  98. Loose Speaker Dome?
  99. Fiction or Fact about amps with & without reverb
  100. KT77 in place of a 6550?
  101. Heater wiring help, please
  102. How does one determine a speaker's wattage rating?
  103. SS Rectifiers - Weber Vs Groove tubes
  104. Good Amp techs in Charlotte area?
  105. New (old) amp turns on but squeals like a stuck pig
  106. pre and post od tonestack question
  107. hi-fi stereo speaker in guitar amp help
  108. Recommend a new production 6L6 or 5881 tube...
  109. Can I leave my Princeton Reverb on?
  110. 4x12 wiring experts, I need some help!
  111. Amp Cab Design Specs
  112. How much louder is a 2x12 than a 1x12?
  113. Difficulty level to install a loaded board from turretboards.com into a Valve Jr?
  114. Benefit of oil filled caps in tweed amps
  115. Celestion Heritage speaker wiring question?
  116. Can a trem oscillator be microphonic?
  117. Weird Thing Happening To A Tube
  118. Tubes Blown?? (first time tube amp owner)
  119. Yellowjackets and Substi-tubes
  120. Blackface Reverb circuits
  121. jcm900 4100 fx loop jack issue
  122. Preamp Tube Advice for Heritage Amps
  123. amp tech in Massachusetts?
  124. New filter caps; now less gain?
  125. splawn marshall mod schematic,im looking for one?
  126. Output tube shows no bias??
  127. Anybody ID 12AX7 w/"52" Tab?
  128. DrZ Maz 18jr Hummed, Glowed, Died
  129. Anyone have some tired EL34s or 6L6s?
  130. chaining fender SR channels ??
  131. Why doesn't my '68 Deluxe Reverb sound good?
  132. Amp suddenly died.
  133. SF to BF plate for a Pro Reverb
  134. Sick JC-120
  135. EL-84 Setup
  136. How hot should an amp get!?
  137. How do V2 and Phase Inverter tubes effect tone?
  138. Determining Correct Voltages for a Solid State Amp
  139. Goofy Deluxe Reverb
  140. Compu-Bias Users: Assistance, Please...
  141. Will my amp cook a pair of JAN Philips 6L6WGB's?
  142. Thoughts on buying "NOS" signal caps?
  143. What "modern" appliance did the Raytheon company invent?
  144. 12AX7's
  145. Replacing Gibson 'diode bridge' with individual diodes
  146. Preamp socket broken -- help...
  147. Super Reverb Cap Job Question
  148. capacitance tester
  149. JJ 6BQ5 EL84's in DSL401...
  150. Bassman 5F6A Master Volume Without Tone Loss??
  151. Plate voltage for a 70's AC50
  152. How to determine Ohms of unlabeled speaker outputs?
  153. Fender G-DEC Junior. Running Hot
  154. Noise from Fender Blues Jr... New pre-tubes?
  155. Ef86
  156. Tech problem with my SLO - Blown fuse
  157. Another Screen Resistor Question
  158. Is my Tranny, OK? that sticky stuff has came out the top and ran down the side
  159. speaker replacement polarity
  160. Is it necessary to repair a puncture hole in a heavily doped speaker?
  161. rectifier tube
  162. Help reading screen grid values in 6L6 amp
  163. 1971 Superlead, caps O.K?
  164. princeton reverb trem issues
  165. OMG!...Another Bias Qutestion--Single Ended Amps
  166. reverb tank quest?
  167. Running a 5Y3GT in a 5F4 Super?
  168. DRRI - pulling v1 12ax7
  169. AMp Building Tool Question
  170. Rivera with stock US voltage goes to EU
  171. 3M Pot needed for AB763 Deluxe Reverb
  172. Bad Cat Hot Cat Biasing Question
  173. Modified Crate Palomino V8 Humm Buzz Noise-help
  174. 61 GA40 Tremelo
  175. Insulating a cab?
  176. Marshall JCM 2000 DSL 401 COMBO speaker load question
  177. why are Mullard ecc-83's favoured for old Marshall amps?
  178. How to add a bias pot to my old amp
  179. How to add bias pot to my Traynor YBA-1; no kidding...
  180. Changing tubes?
  181. Pro Reverb Question
  182. JJ or SED Winged "C" EL-34s for a Hot Cat
  183. Mesa Maverick Question
  184. Tube noob question...
  185. GT Data Sheets ??
  186. Pulling tubes adding cabs.
  187. best speakers for 73 Pro Reverb? using single coils only
  188. Sputtering 6L6
  189. Make a Linear Pot act like Audio Taper?
  190. Input triode on REALLY old Fenders
  191. Mesa studio calibur fixed bias?
  192. Can mic wire be used for speaker wire?
  193. Who Manufactured Pinnacle ECC83s?
  194. Silverface SR conversion to BF Specs + 100 ohm bias resistors?
  195. Tube Compatability
  196. Marshall plastic feet
  197. RFT ax7 report
  198. Static from input jack.
  199. Question about Impedance
  200. Rocker 30 Impedence/Performance question...
  201. Cathode Resistor Biasing Question
  202. 4 ohm 10" Speakers
  203. volume knob down but still have volume
  204. Fender Twin Reverb Attenuation??
  205. Homemade Orange Clone F.A.C. question
  206. Line output and instrument cable?
  207. Extension Cab w/o extension jack?
  208. Do You Leave Your Amp Plugged In?
  209. Will working on a solid state amp kill me
  210. Ultralinear Twin - clean machine
  211. Amp parts, Mouser out of stock on caps? Other sources?
  212. NOS filter caps... is this a good idea?
  213. Comment on this Technology?
  214. Poor Man's Speaker Switcher?
  215. Alembic F2B question
  216. JJ EL84 vs. NOS Mullard
  217. Individual bias controls on each tube?
  218. Ceriatone 5E3 head kit...
  219. Vintage Sound Amplifiers
  220. Mail-away Amp Tech
  221. Hey You Tube Heads, More Tube Lore
  222. 8 or 16 ohm speakers.
  223. Hot Cat Amp - A/B/Y Switch For Channels??
  224. Help: '73 Fender twin reverb problem/L.A. tech needed
  225. Super Reverb - reverb pan?
  226. Safe to run a greenback 100w cab?
  227. ONE tube is redplating in Cathode Bias'd amp...Help!
  228. Coil Rub Confusion
  229. Dumbish reverb question
  230. Celestion Gold cone cry question....
  231. Amp tech in far North Burbs of Chicago.
  232. fuzzy/friction sound to my vintage speaker
  233. Reverb Tank Input Impedance Matching
  234. Tracking down a short
  235. Parts: Suggestion for a 1/4" speaker jack and plug?
  236. JCM 800 is Dead!
  237. cap can, princeton, questions
  238. Getting the most out of my rig...
  239. Breaking in speakers/tubes on a new amp? TRRI Related
  240. Hiwatt Help, understanding this oddity...
  241. Need help adding bias pot to '63 VV RI
  242. For those who understand tube testers...
  243. Speaker Recommendation please?
  244. Decible Math
  245. bias problem with blackface pro reverb
  246. Allen "Raw" knob?
  247. Bias caps backwards???
  248. Ampeg J-12R reissue advice needed
  249. Any cure for combo cab buzz?
  250. Plate resistor - carbon comp or carbon film