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  1. Need someone more knowledgeable
  2. Mesa GEQ - Changing the freqency.
  3. Crate V1512 mods
  4. Is this amp PCB layout familiar?
  5. 5E3 Half Power switch
  6. Hola! Perhaps you awesome peeps can resolve my query on bias..
  7. Crate Stealth GT50H Mods
  8. Should I add a bypass cap in a cathode-biased amp?
  9. 1/2 power switch?
  10. Gibson GA 40T Effect Loop?
  11. EQ in the FX loops as a master volume?
  12. any tube guys out there have exp with el506's?
  13. How to add bias adjustment to a Mesa 20/20 amp?
  14. Rectifier diodes
  15. I want to convert 6L6's to 7591...
  16. Speaker attenuators ...
  17. New Tubes for Traynor YSR-1 Custom Reverb
  18. peavey mace mid mod
  19. Pulling power tubes from a Twin Reverb RI
  20. '65 Twin Reissue Mods
  21. Fender DRRI
  22. Crate VC50 mods
  23. (2) 10's in SF Deluxe Reverb
  24. Pulling tubes in a Classic 30?
  25. 12AX7 12AY7 together in perfect harmony?
  26. SF Deluxe Reverb 70w Ultralinear mod
  27. Finally attacking TSL100 channel switching latency
  28. Amp Reverb Mod
  29. Peavey VK112 OT Change 4,8,16,32ohm Mod.
  30. LTP vs. Cathodyne for 6L6 tweed
  31. Two 6L6's in a Four 6V6 amp?
  32. How to add a headphone tap to weber attenuator??
  33. Clipping a treble cap on Gretsch 6150T
  34. Hot Rod Deluxe and Loop-Master channel switching
  35. Crate Stealth GT50 voicing mod?
  36. modding a crate stealth 50 watt head.
  37. mg15dfx footswitch
  38. Voltages in Magnatone 280 vibrato circuit
  39. Mesa DC-3 questions
  40. Screen grid resistor - 6V6 6L6 swapping
  41. 12ay7 instead of 12bh7 and 6cg7 in Magnatone 280
  42. Fender Bandmaster gain question?
  43. BF Bandmaster REmod(single channel w/reverb)
  44. 18Watt TMB tweek bass response
  45. TKO the Master Volume on a Super Reverb
  46. Rewiring V1 for full use of both triodes?
  47. Need help with mercury magnetics mod on a valveking head
  48. Tone Stack Q
  49. Any love for Weber Capacitors here??
  50. Need some help with a Fender Musicmaster Bass Amp
  51. Does this obscure amp have any mod potential?
  52. V32 -reducing brightness on clean channel?
  53. 12bh7 Carmen Ghia
  54. Amp service/repair or modification DVD's? Anybody know where to get them?
  55. PPIMV Problem
  56. modding a ga-45
  57. I cut the trace between the lugs on the mids pot...
  58. Reducing gain in dirty channel
  59. Mod "wiring" question
  60. independant adjustable bias 4 peavey bravo..please help
  61. adjustable bias 4 peavey bravo.
  62. Marshall MG15ZW Gain
  63. International Amp Conversions
  64. Paul C mod for PR
  65. preamp tube voicing?
  66. Marshall MG series Reverb switch MOD
  67. Hum after bias adjustment
  68. Peavey Royal 8 valves and mods
  69. JR Haze Mod
  70. Peavey Triumph60 Adjustable Bias
  71. Home made rectifier replacement
  72. Mesa Boogie Caliber 50+; effects loop problems
  73. jcm 800 clone for bass
  74. Bias pot mod for ampeg vt-22 & vt-40
  75. Crate V50 Tube Amp
  76. LED in tube socket
  77. what does a resistor across pre gain control do?
  78. Bias Pot Mod Crate TV-120
  79. Sivertone type amp...mids tweaks
  80. Crate BV60H Mods and overhaul
  81. Dsl-401 tone modification
  82. Using the PT Rectifier CT for my B+
  83. Suggested hot cat / star amp mods?
  84. Fender Blues Deluxe Volume Cont Linearity
  85. Add reverb to a 5f10 Harvard
  86. Fender Bassman AA371 mods
  87. Mods for Fender Ultimate Chorus Amp
  88. Convert 5150-II lead channel to original 5150 spec.
  89. Mesa Boogie Triple Rectfier Effects Loop Mod?
  90. Marshall JMP Mod in Progress
  91. Pulling tubes? Peavey Rock Master head
  92. NFB Switch For Peavey Classic 50/50
  93. Mesa Boogie Mark IIB bias install
  94. I got a VibroChamp Question.
  95. Fender Blues Junior power transformer
  96. SF Bandmaster Reverb (w/BF mod) - VVR? Vari-Watt? Weber kit? Recomendations?
  97. Bass amp to Power amp conversion? (70's Yamaha B100II)
  98. less treble on gibson ga-17rvt
  99. Champion 600 -- with an EL84 tube?
  100. Super Reverb Blackface Mod Question
  101. Mod for HRDlx Power Amp In
  102. add depth/resonance control to Bugera 6262
  103. How Do I Install An LED To My Amp Head
  104. HRDeluxe footswitch...GCX?
  105. Add reverb to plexi
  106. 1st tube - triodes in parallel
  107. Ear fatigue and making mods
  108. Hot Rod Deluxe, Quieting output for certain gigs
  109. VK112 Bias Pot Mod
  110. Harp amp mod for dummies
  111. Voltage rating effecting tone?
  112. Bass pot broken after modding the tone stack on Peavey C30
  113. Mercury Magnetics transformers...
  114. Peavey VK100 Valveking Bias Mod
  115. Any Midboost layouts for AB763 preamp?
  116. silvertone 1484 tube problem
  117. modding a Champion
  118. Modding Laney Lionheart for stronger / wetter reverb level
  119. On/Off Mod Switch/Pot Popping 66 Vibrolux Rev.
  120. Help with modding a peavey bandit 112
  121. Help need to add an AUX input
  122. Pulling tubes Triple rectifier???
  123. help me mod my Ampeg jet II
  124. Switchable Reverb for Fender HRD
  125. Yellow Jackets in a Gibson GA-30RVT (7591s)?
  126. Dual Reverb in a Fender Twin!
  127. Peavey Renown 400 saturation mod? Enzo?
  128. Amp mod technicians?
  129. Combination DC and AC Filaments?
  130. Non-Marshall PPIMV
  131. messing with my marshall valvestate 8080
  132. PCB Board PRRI
  133. Ohm question on 2x12
  134. Blues Jr. OT upgrade
  135. swappability of 6V6s and 6L6s in Fenders - Vibrolux and Princeton
  136. Integrating noise-gate circuit
  137. converting to solid state rectifier
  138. Mesa triple rec head help!!!!!!!
  139. MOSFET Phase splitter
  140. Peavey Valveking component upgrade
  141. pa100 reverb conversion question
  142. Marshall JCM diode clipping bypass mod
  143. Converting from 6EU7 to 12AX7 ... need a little help.
  144. OT Recommendation for Peavey Delta Blues
  145. 87(ish) Ampeg Vt-60 needs some new(bigger) balls
  146. Peavey Rockmaster pre mods
  147. Anybody Else using Sylvania 6BG6GA?
  148. Channel switching Marshall TSL
  149. Upgrading signal path capacitors to Sprague
  150. MM Princeton Reverb OT & PT
  151. blackface mod to a Gibson GA-5 Reissue...
  152. adding a new verb to a champ 12 ??
  153. 65 Deluxe Reverb front end EF86 mod.
  154. Need OT recommendation for rockin' 5E3 project
  155. Peavey Vavleking footswitch mod
  156. 6L6 in triode mode, possible?
  157. Fender 65 twin reverb reissue mods
  158. AC15CCI + tone cut knob question.
  159. New Approach to a Classic 30
  160. Payback: 4210 Mod
  161. Headphone out schematic
  162. Crate vc-2110r reverb mod?
  163. Added Tube Rectifier - Bandmaster
  164. Older Crate V1512 choke install question
  165. 6J7 Pentode Relacement
  166. Help with an old solid state amp
  167. fuse for Musicmaster Bass Amp?
  168. Virtual Earth mixer for Fender Twin, Super, Bandmaster
  169. Rivera chubster and JJ 6V6's
  170. Ashdown abm evo 500 III
  171. Jamm Professional amp & possible mods?
  172. Correect 12AX7 plate voltage?
  173. OPAmp substitution...mixed results
  174. Swap op amp ? in traynor TS-25b
  175. Draining Filter Cap Question
  176. mixed triode/pentode in duet PP
  177. Tone stack calculator:altering controls ?
  178. Help modding SS amp. MG15. Enzo?
  179. How can I add a speaker out jack
  180. 6l6 ok with 6v6 OT ?
  181. How to lessen bass response in tube amp?
  182. How to soften the 'attack' of tube amp?
  183. Peavey Classic VT Phaser
  184. how do i add a lineout to my amp?
  185. Bias Wiggle Term on A Bassman 50?
  186. Whole sh*tload of mods for Crate V18...
  187. Fender Concert - increase headroom
  188. Why "flyback" diodes?
  189. BOSS GE7 sub HA12017[SIL] FOR dil equiv
  190. 135W UL Twin normal channel mod to Bass Guit. Channel
  191. peavey mace / ge diodes
  192. Peavey Classic30: boost modded
  193. Fender Princeton Reverb - "imbalance" in PI: specifics?
  194. how to terminate reverb transformer
  195. My Vibro Champ Reverb
  196. PI values for Class A push-pull
  197. 6550s in '65 or '66 blackface bassman?
  198. "downgrade" a twin reverb to a deluxe reverb
  199. value of grid to ground R in SE amp
  200. Tone mods Music Man RD-50
  201. Fender Hot Rod Deluxe - power amp in
  202. Fender deluxe Rev normal channel mod
  203. Switching high voltage
  204. Motorboating in Peavey Classic 30
  205. Installing an analog meter to amp output
  206. B+ reduction
  207. mixed tubes in push pull
  208. Vox AC/30 Custom Classic Head - Rectifier Problem
  209. Adding an onboard tube driven reverb to a Marshall 1974 18 watt clone?
  210. Peavey Mace Vt Repair and Upgrade questions
  211. Bassman line out?
  212. V-Twin switch mod
  213. Moding a Fender Super Reverb back
  214. Headphone addition to a Fender 212R
  215. EL34 to 6V6 impedance question.
  216. Calmdown a 5E3
  217. JCM 900 mod - 6l6/5881's for EL34's
  218. Peavey Classic 30 Presence Mod Question
  219. Anybody know anything about the B-52 AT line of amps?
  220. EL34 to KT66?
  221. Clipping diodes - Marshall JCM 800
  222. Peavey 5150 II output transformer question
  223. Affect of resistor in amp input?
  224. Modding a Princeton Reverb BF...need some ideas
  225. Bassman Ten + 135 UL Twin into 135W Bassman and 50W Twin?
  226. Twin Reverb Reissue, Reverb Mod
  227. Hello and a question
  228. Carbon Comp vs Carbon Film
  229. Implementing a relay in a hand-wired amp
  230. Help with AOR 100 mod
  231. Peavey Delta Blues bias adjustment
  232. Peavey Delta Blues bias adjustment
  233. Power transformer conversion questions
  234. VHT mods? Anyone?
  235. Roland JC-series question about speaker polarity
  236. adding a presence control to a bogen cha33 question
  237. Mark Cameron Marshall mods on Youtube
  238. Line Out For Kingston
  239. How can I make the tremolo on my Ampeg Jet II footswitchable?
  240. sound of fixed bias versus cathode bias
  241. How to set bias on Peavey Valveking 112?
  242. Which 12AX7's Are The Noisiest With Less Hum ?
  243. 82 SF Champ revamp
  244. Help please to join 2 pre-amp channels into one
  245. Fender Hotrod Delux
  246. Adding drive to bass amp?
  247. PA conversion...bass tone
  248. Speaker suggestions for 90's Fender Super 4x10
  249. want to mod JCM800 (2210), more gain needed
  250. Sovtek mig 60 mods ?