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  1. 6jm vs 6an8 and my garnet pro
  2. How do I know if speakers are blown?
  3. '57 Gibson GA-5 crackling...
  4. Vacuum tube rectifier directly into choke okay?
  5. Using a 5Y3G in place of a 5Y3GT
  6. Tubes for UL TWIN?
  7. Fender BMR Power Tranny
  8. Test-driving preamp tubes--do I have to bias?
  9. Marshall 1987 and 1959 RI-- surprise inside
  10. help with a 10 watt tube amp
  11. amp tech?
  12. Sveltlana EL34's, opinions?
  13. Mullard/Siemans KT-77
  14. Pre-Amp Tube Order Question
  15. What to do with my Fender PA100 top?
  16. Power drop in Super Reverb
  17. 8 and 16 ohm load in parallal?
  18. Does a 6V6 need to line up in the socket?
  19. Reverb tank questions
  20. New SOZO caps,looks cool!
  21. Crackling on Reverb Knob?
  22. Gibson GA 15RV Speaker Issue
  23. Question about preamp and power amp tubes
  24. Unbuffered Effects Loop
  25. Stoutest new production 6V6?
  26. Headroom, Chokes, and Transformers -- Tweed Pro, Super, and Bandmaster
  27. Reverse Polarity Zener diode
  28. 1969 Twin Reverb extension speaker jack
  29. Original grey frame JBL D110F cone code?
  30. Weird Tone Change
  31. Rectifier question
  32. Celestion Blues
  33. Using two cabs simultaneously - possible or not (Marshall content)?
  34. Need Suggestions for NOS 6SL7's
  35. What does it mean when my power switch flickers?
  36. How do I mod/ground a 2 prong '68 amp?
  37. Tube bases loose - need fix
  38. I tried the reissue Mullard EL34 .....
  39. Ampeg Gemini VI info
  40. 5150 Bias Mod DIY
  41. SF Fender Twin help
  42. Marshall Valvestate problem
  43. Mesa DC5 Problem
  44. T-Nut Installation
  45. Help with my MESA
  46. Allen Old Flame mods
  47. 3 prong cord question.......
  48. Problem with Rich Mod (PPIMV)
  49. HELP: TRRI breaking up on 3!!!
  50. Cab/Speaker Wiring Help
  51. Marshall JMP-1 tube locations
  52. A question about Marshall tube power sections
  53. Mixing and Matching AX and AT7's in a Princeton Reverb
  54. High pitched squealing in reverb tank?
  55. Blown Fuse After Loud Jam Session
  56. Rectifiers
  57. Forward voltage for footswitch LED?
  58. Need 6CG7's - What are my options?
  59. gettin your amp biased: why and how?
  60. What EL34's will handle high plate/ screen voltages?
  61. Fender Blues Deluxe (chicago)
  62. Problem with the bias on a Bassman 100
  63. Repro Levant for late '60s Marshall cabinet??
  64. Need schematic of Fender footswitch
  65. Quick couple of preamp Tube Questions
  66. What are the hottest 12ax7's for a marshall valvestate
  67. Capacitors...can you hear the difference?
  68. Speaker switchout Need help!
  69. Ok...what does "organic" sound like.
  70. Output transformer knowledge sought...
  71. What are your most asked-for JCM800 mods?
  72. help! please...
  73. standby switch, whats up with the snap, crackle, pop?
  74. DC-5 FX loop mod
  75. Nos 12ay7
  76. Matchless HC30 chassis
  77. Replacing Plug
  78. 6L6's to EL34's
  79. Solid state amp blowing fuses
  80. Replacing the filter cap on a 66 bassman head
  81. Rectifier Plate Voltage Difference
  82. Fuse blowing
  83. custom wound vintage tranny sources?
  84. Bendix 5992 vs. RCA 6V6GT blackplates??
  85. Amp Designer said this (about bias-rite/bias king, etc)
  86. Cathode Biased.....with unmatched tubes?
  87. Dissipation Calculation question. For 6L6's
  88. Fixed resistance pad for tube amp, can it be done
  89. 407 Volts on EL84's
  90. Weber bias rite questions
  91. Aluminum vs Steel chassis?
  92. ID'ing Marshall Cabinet
  93. Electro Harmonix 12AX7 - Taking the bad with the good
  94. Resistor types in non-signal areas and effects on tone.
  95. Biasing
  96. Power supply resistors
  97. Speaker impedence please??
  98. Mesa Boogie tubes
  99. Re-bias a Carmen Ghia?
  100. 1968 G12M 20W Celestions
  101. 60 cycle hum in low power setting on Marshall 2555
  102. Marhsall TSL
  103. vintage Gibson BR6- tube problem?
  104. Question about 68 Bassman circuit.
  105. Speaker repair
  106. Have IEC Mullard tubes been "Made In Japan?"
  107. Just started my first amp build!
  108. Guitar amp tube definitions, functions...
  109. Twin Reverb Mods
  110. Can a 70's bassman PT handle the heater current draw of EL34's?
  111. Fender '64 Vibroverb Custom: help me bias the amp please
  112. bias cap
  113. Stupid Question, sorry.
  114. Bass amp tech Q
  115. Volume drops, farting
  116. Tube question
  117. Dumb speaker wire question
  118. Bass pot "Pops"
  119. Amp guts pictures
  120. Dead Reverb on SF Princeton, troubleshooting tips?
  121. ? What's the difference btw bandmaster and vibroverb circuitry ?
  122. Treble Pot taper - Fender expert needed
  123. Output Transformer Placement
  124. Can you do this with a speaker cab?
  125. Have I done permanent damage to my plexi?
  126. When to change tubes?
  127. Parallel Wiring Question
  128. Bias Points for Custom Twin (15) RI
  129. Should you REALLY pull 2 of 4 power tubes?
  130. Fender BF Channels the same w/out bright cap
  131. mesa parts
  132. Princeton Reverb transformer code
  133. Power Tube quickie
  134. Amp power cord question?
  135. 'Broken' speakers?
  136. ohm question
  137. Traynor YSR-1 Question
  138. Help with chasis installation
  139. Histroric tube prices?
  140. Bias Probes--Do they really wear out?
  141. power tube question
  142. tube dissipation - am i getting this right???
  143. Reissue TS 5881 vs TAD6L6short vs JAN 6L6WGB
  144. 'tapped output' - what exactly is it?
  145. Blown speaker?
  146. Any cool Jcm 900 or Carvin MTS 3200 Mods
  147. Music Man HD130 Power Tube Question
  148. Marshall amp Tech Help...
  149. Did I get robbed... Mike KCA or Lord Valve...tube question??
  150. Where do I get good filter caps for my '68 Fender Twin Reverb?
  151. KT66's or 5881's?
  152. ENGL Savage 120 needs help
  153. Ac Voltage
  154. Where's the cheapest place to get Tolex, 15" drivers & misc hardware?
  155. Can OD/Boost screw up the amp?
  156. 6L6 Tube question
  157. A choke to tighten bass?
  158. Speaker construction question out of curiosity only
  159. 6SH7 for Matchless Clubman
  160. who can tell me about 5U4Gs?
  161. Tube Holders w/ YJ's
  162. Sovtek 5881WXT Equivalents?
  163. To Bias, or Not to Bias... Thanks Mesa!
  164. Custom Audio OD-100 FX Loop noise ..Help!
  165. Screwdriver Tip/Style/Size for RI Custom Twin BIAS
  166. Marshall Lead 100 Model 3210 Volume loss Help!
  167. Need help with a Mesa 4x12 cab / wiring
  168. Eden Metro not putting out the volume...
  169. Gain Stage Feedback Loop
  170. Larger dust caps for G12H-30's?
  171. reverb tank bags??
  172. in search of good current production 12AT7 tube
  173. Tungsram ECC808?
  174. Stupid question.....
  175. Fender Vibratone / Leslie 16 question
  176. Strange overtones on Low E notes
  177. Strange Metallic Whistle in Rivera (sample)
  178. Strange Champ Phenomenon
  179. Power tube matching...??
  180. 70's Princeton Reverb Dead- Please Help!
  181. Loud, high-pitched buzz from my Bassman
  182. Harvard Tweed
  183. Contact Cleaner
  184. DEAD Princeton Update need advice.
  185. Noisy Budda Verbmaster
  186. Need help reading schematic
  187. Question - 6550s?
  188. My Music Man RD112 Fifty Bit Me!
  189. Adding ext. cab to Princeton...ohm question
  190. Balanced triode?
  191. Exploding Capacitor
  192. Weird fizzy sound...
  193. Reverb diagnostic?
  194. Traynor YCV20 WR (15 watt EL84) problem
  195. Replacing the tubes on a 70s SVT
  196. Variable Negative Feedback Control.
  197. Changing tubes (help)
  198. Tube question - opinions
  199. resistor wattage - need help
  200. Anyone ever switch speaker wiring for a tonal change?
  201. Filliment hum on cathode follower tube question ??
  202. No sound coming out of a tube amp?
  203. What speakers best resemble a Fender Twins?
  204. Transformers and rust
  205. SF Vibrolux - Normal Channel - any mods suggestions?
  206. Please help me make my Mesa 50/50 accept EL-34s
  207. 4/16 ohm switch
  208. Marshall Circuits 101 - Non-MV Models 1959,1987,...
  209. More Marshall Wierdness-John, Guys Help Please
  210. Laney GH50L additional bias control?l
  211. Anyone repair/calibrate TV-7D/U tube testers?
  212. Help: M/V on a '75 JMP 100
  213. Need more clarity in bottom end... HELP
  214. The Riddle of Tone
  215. v1 location
  216. Strange Bogner amp footswitch problem
  217. cathode follower vs. plate fed tone stack?
  218. Komet 60 tube type question?
  219. Finding a push/pull pot
  220. question on bias probes and differnces....
  221. Tube qualities for PI...?
  222. Tube Light Emittance...
  223. Blackplate tube poppin
  224. Need Power Tube Information
  225. Going NOS w/hayseed on limited budget
  226. Wiring plexi input jacks
  227. Tech Q re one of a pair of power tubes...
  228. fuchs internal gain trim
  229. Ohmage Issue
  230. xicon vs sprague caps
  231. screen grid resistors?
  232. 6SC7, 6SJ7 info needed
  233. 50w Plexi Clone build complete
  234. Chassis Holes - Sizes?? Punch, Saw, or Drill?
  235. Butane Soldering Irons?
  236. How does voltage affect tone? ODS 30
  237. Need to build one of these...help with a schematic/layout?
  238. Peavey Classic 30 reverb tank hum
  239. reconmend me a good soldering iron
  240. Which digital multimeter for biasing amps?
  241. installing a bias pot in a pro jr.
  242. New Tung-Sol 5881's sub for 6L6GC's?
  243. Okay...what the heck is an overtone???
  244. help: old amp buzzz a.k.a.- a good tech in Seattle
  245. D*mble kits?
  246. hum problem
  247. Koch issue - What do you guys think
  248. How much EL34 bias mismatch is acceptable?
  249. is my amp modded or is sumthing wrong
  250. l-pad also need inductor?