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  1. Are all Silver face Champs designed only for 4 ohms speakers?
  2. 6L6 Power Tube Opinions
  3. Reverb Unit on 1970 Twin
  4. i want to put kt88's in my or120
  5. ef86 / ef806 -- same thing?
  6. Whats on your bench?
  7. Bad preamp tube socket cause microphonics?
  8. Tube converters...
  9. Cool Mullard Score!
  10. 5U4 in place of a 5AR4?
  11. reverb tank impedances (AC15CC1 replacement)
  12. Tube question for the experts:(RUBY)
  13. Couple of questions RE: plexi clone...
  14. Crate Palomino V-32 bias?
  15. "waves" in circuit boards
  16. Soldering 12ga wire
  17. Schematic for Gretsch 6162 combo?
  18. poo-bar...jcm800 prob
  19. Convert from 6L6 to EL34s?
  20. Need Groove Tubes Trio schematics
  21. Yet another "my BFDR makes a funny noise" problem
  22. Class A Self Biasing
  23. need help with a Marshall part
  24. Switching pops
  25. Interesting old Univox amp, question
  26. Two Stroke Amp by Dave Hunter
  27. Sovtek Mig 100. What tubes should I buy?
  28. Fuses: AGC and MTH types
  29. Help identifing power transformer
  30. Amp techs! Help me tweak out the harshness!!! (Engl schematic encl.)
  31. How hard would it be for a first timer to build this?
  32. weak fender 'vibrato'...
  33. Is there only 2 positions, RE Fender Legs
  34. 7025 v. 12AX7
  35. troubleshoot my Holland
  36. "Plexi" amp kit?
  37. Ampeg SJ-12R, quick question on biasing?
  38. Lead12 Ministack head problems...
  39. Wiring 1/4" right-angle phono plug
  40. Power Scaling: Fixed Bias or Cathode Bias ?
  41. Fender trans-impedance power attenuator vs. Ultimate Attenuator
  42. Why would a tube socket arc?
  43. Filter Cap size for 59 Tweed Deluxe
  44. tube choices for a h+k duotone EL 34's
  45. LORD VALVE? (Help)
  46. Budda Superdrive Mods
  47. Blackface is squealing?
  48. 6L6GC - KT-66 question
  49. OK,I may just want these! (KT-66 content) help needed though
  50. Trying to troubleshoot low-output issue on my Bandmaster...
  51. Can anyone tell me where V1 is on my Vibro King?
  52. variac vs regulator
  53. Amp build seminar
  54. Need info on a Power transformer
  55. rectifier tube sub? GZ34-5U4GB
  56. What amp is this??any info
  57. Help Me Date A Princeton
  58. Q re: tube rectifiers and sag
  59. Marshall Amp Noise??
  60. building my own cabinet?
  61. Crap!!!!
  62. Rivera Power Drop
  63. Hot Rod Deluxe problem
  64. Fender amp Tube question - Please help!!
  65. Mesa Maverick acting strange need help
  66. SS rectifier in Rocca Custom 40?
  67. Speaker wiring help.
  68. Fixed that problem, so why are the plates orange?
  69. TUBES: its RP, not MU, that's important!
  70. Ampeg B2 power loss
  71. AC30 BM Help!
  72. Univox bass head repair. Puzzled
  73. jtm45 clone bias WAY high..
  74. 6V6s: new Tung-Sol or JJs?
  75. Variable bright cap control in blackface Fender?
  76. Is my Rec Tube Fried? (pic)
  77. Epi. Valve jr. head help
  78. phase reversal pedal?
  79. 4x12 wiring question
  80. Fargen El Bastage Power Tube Suggestions
  81. Deluxe Reverb Reissue questions
  82. '63 Bassman is noisy - help
  83. Locating Bias Trimmer...
  84. biasing problem....
  85. Biasing method for the first time...
  86. Adding standby switch?
  87. What Causes Amp Idle Hum
  88. Semiconductor GP02-40 (4KV)
  89. 6SL7s compared to 12AX7s
  90. 64 Bassman question
  91. Best choice for Phase Inverter ?
  92. DR with 450V on the plates. Problem?
  93. Mains fuse blowing on Matchless Chieftain
  94. Champ 5F1 questions
  95. What A Great Find!!!
  96. RCA 12AX7 short plate revisited
  97. Amp Build Seminar
  98. 6BQ5/EL84 and 7189
  99. How is it possible..
  100. Why doesn't my wah work
  101. Help: amp blowing fuses: gig tonight!
  102. Are a 5aru4 and 5U4 interchangeable?
  103. NEED HELP: SED =Winged=C VS. New Sensor Svetlana 6L6GC's
  104. Do you think I might need a cap job?
  105. Star Amplfier problem
  106. HELP i'm stumped.
  107. Power questions not enough Power to run amp?
  108. Bogner Metropolis volume pot
  109. use a speaker with no cone as a dummy load?
  110. transformer shunt method biasing weirdness
  111. Marshall Bluesbreaker RI tubes swapping
  112. Question for those who mix speakers.
  113. PODxt Problems
  114. Angus Young and the mysteries of Power tube compression
  115. What Makes The Biggest Difference???
  116. Not an amp, but it is technical info
  117. Tech question, help me out here
  118. Ohms on a 1972 Traynor YBA-1A
  119. How many watts is the JTM-45?
  120. What could this be?
  121. Tube 5Z4 ?
  122. New 6l6 tube problems
  123. Which is worse: lower or higher impedance ...
  124. Ghost Notes
  125. Help me out with bright cap values, please
  126. Line voltage fluctuation ......
  127. weak reverb, Gemini VI, schematics included
  128. Need help with amp slaving
  129. Funny Sound in BFSR
  130. Fargen Blackbird Combo blowing main fuses...
  131. Tube types and generally specific sounds and tones
  132. Where there's smoke.....YIKES!
  133. PSA: Lots of schems here...
  134. Where to get 8 pin power tube sockets and which brand ?
  135. Correct Grounding?
  136. BEST 6L6GC's...money not an object?
  137. Where To Buy?
  138. Bias voltage Doubler - Brain Flatulation
  139. Which NOS Mullard GZ34 do I want?
  140. GE 12AX7 blackplate pic
  141. Was this a bad rectifier tube or power tube?
  142. How to reduce the pots noisy.
  143. You Make the Call
  144. Blown cap in '71 Marshall 50W
  145. some tube socket(s?) aren't functional in my SF Bassman
  146. I want to reduce the power of my Crate VC50
  147. Fender Reverb Self Generating a tone?
  148. Fender showman power tube overheating
  149. Old tube find-junk or treasure?
  150. 7355 tubes:industrial 6V6 GTA??
  151. Best tube socket AND pot cleaner
  152. Could this be a tube problem?
  153. Dumble on Ebay with Pictures
  154. Wanted: circuit diagram for a crateVTX200s
  155. Hiwatt - ??????
  156. e84L v. el84
  157. 6ca7 or el34
  158. Bitten by the bug
  159. Best time to check bias?
  160. Switching between 6L6s and 6V6s... rectifier??
  161. What problem might my amp have?
  162. Shiva Footswitch Screwin' Up!
  163. Mixing Power Tube Types in One Amp
  164. Amp sudden microphonics/nasty feedback problem...please help!
  165. Has anyone ever used 6Y6 power tubes?
  166. How hard is a cap job on a Fender Princeton?
  167. Biasing with a SRS UNIT (anyone?)
  168. What is going on?
  169. Is this safe?
  170. Using a guitar amp head for bass?
  171. New tubes in a DRRI...do I have to rebias first?
  172. Cap Polarity
  173. how to make an attenuator
  174. ef86 front end with 2 el84's build BUILD
  175. convert tube rec to ss?
  176. choke questions
  177. What could cause "Machine Gun" noise?
  178. LED hum
  179. Combo Amps & Bypassing Internal Speaker(s)
  180. 73 SFDR half volume & crackle
  181. Need help !
  182. Weird hum in my DRRI?
  183. Amp winks off. Blown fuse. Bad rectifier tube?
  184. Sound fade out, noise fade in
  185. MOV Question
  186. Just how similar are the JJ 6v6s to 6L6s?
  187. Yellow Jacket Problem (74 Twin Reverb)
  188. Cab Wiring Question
  189. DRRI - Deluxe Reverb reissue questions
  190. Speaker install question for vibrochamp
  191. How do I varnish/shellac my tweed amp?
  192. Problem with 12AX7 and AC filament.
  193. Vintage Danelectro reverb unit - help needed
  194. Tube Questions (5Y3GT)
  195. JBL D208 8" speaker -- good for a Champ?
  196. Leslie cabinet
  197. RC Networks... the math and such.
  198. PV Classic 30 & It's Lack Of Standby
  199. How Feasible Is This Design ?
  200. JJ Tubes in Mesa Rectoverb?
  201. Rockin' New Tubes for a Bassman Clone
  202. Problems with JJ 12AX7 Types
  203. Tophat Club Deluxe - Biasing?
  204. Quick question...
  205. Whis is louder-tubes or transistors?
  206. Tube Buffs..(Preamp Question)
  207. RCA / Sylvanias ?
  208. Bored
  209. Gibson Goldtone tube help-
  210. Superbass not working... help
  211. Wattage/Power Question
  212. SS amp and a "pop" when powered up?
  213. Recommend some WI techs...
  214. 1967 BF pro reverb: Noisey reverb
  215. Biasing trouble with 1959 SLP
  216. Metal Base GZ34
  217. jcm 900 4101
  218. Anyone using PA heads for guitar?
  219. Another Class A/AB thread
  220. Preamp tubes for Reeves Studio Stage MK II...
  221. 63 tremolux w/ 6v6s question
  222. What are the two outputs on the left for?
  223. RF noise and whatnot
  224. help! my amp is blown!
  225. Amp squeals uncontrollably
  226. Metal Panel Marshall
  227. Hiwatt Custom 50 repair.
  228. My Guytronix build
  229. 60 cycle hum in a Fender amp
  230. Help - I can hear another band
  231. Weber Bias Rite
  232. Mesa Studio 22+ very noisy!
  233. So what would happen...
  234. Please help with star ground
  235. Mesa F-50 hum problem on stand-by
  236. TAD mustard caps
  237. OK How do I connect this?
  238. How do you tell what ohm it is?
  239. Help ID 6V6GTA
  240. 4x12 wiring question...
  241. Cure Tube Rattle w/ a Big Fat O-ring ???
  242. JAN Philips 7581a for Two Rock
  243. 8 ohm cab into 4 ohm solid state amp?
  244. Signal Generator for Tube Rattle?
  245. Princeton 1960 need help!!
  246. 5F1 heater circuit - please help
  247. 5E3 with Pro Transformer... best caps..
  248. Buffer vs True Bypass ?
  249. Tube biasing question
  250. Definitive answer on this: attn. builders!!