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  1. Switchable VTM 60/120
  2. SF Twin reverb Ultra linear transformer Blackfacing
  3. Age Old Problem of TOOO Bright Super Reverb
  4. Deeper voicing on EVH5150iii
  5. Different types of power resistors
  6. What cap value for this idea?
  7. Mesa Nomad 55 Reduce the gain
  8. Vox Escort Mains/Battery amp power upgrade?
  9. Possible wrong installation of diodes in place of a 6X4
  10. Taming a Gibson tone stack
  11. "Tighter" Bass on a Tone King.
  12. Peavey xxx upgrades
  13. Cable runs and effect on tone
  14. Help with mod to Crate FW65 Combo
  15. Mesa .50cal EL84 version bias pot mod
  16. Switch ratings for mods with high voltage
  17. Musicman 75 head 2100EX too much overdrive
  18. Marshall DSL mod
  19. Any ideas for a temperature controlled fan for Bass amp
  20. Traynor YBA-3 dummy load to use 8 ohm cabinet?
  21. Slitting speaker cone or knitting needle ? Kinks content
  22. Vox lead escort 50 - integrating valve stage
  23. LTPI on a 6G2?
  24. Adding a footswitch to a Blackstar HT-1
  25. Fender Deluxe 112 Plus Too LOUD
  26. JCM 2000 Marshall TSL 100 mod to DSL 100 Specs
  27. Built-in solid state reverb circuit for tube amp homebrew...
  28. Reduce treble in Fender Frontman 212r clean channel with circuit mod
  29. Silverfacing a Deluxe Reverb
  30. Crate Vintage Club 30 /50 Remove V1 from the dirt channel to reduce gain
  31. ROLAND BOLT 30- 60 cycle hum...
  32. Fender Bassman AA864 variant - mods
  33. Peavey 6505+ 112 mod for channel balance
  34. Peavey Valveking Modifications
  35. tightening up BF Princeton reverb ?
  36. Best way to increase bass response...
  37. E-Wave DG2-30RH head Clean channel too bright
  38. ENGL E320 clean vol mod
  39. Trem and Bias
  40. marshall 1987x hiss reduction possible?
  41. Slope resistor and cap changes when changing a CF side to a 12ay7/12au7
  42. I wish to modify the tone stack in my Ashdown Mag 300 head.
  43. Using 12AT7 instead of 12AX7
  44. Subbing 12AU7 for 12AX7
  45. Any thoughts on how to "soften" attack on a Fender Bassman ?
  46. Fender Blues Junior excessive treble
  47. Looking for less low-cut in Randall RVC (like RD5C)
  48. Marshall JCM 900 mod
  49. Modding reverb
  50. Marshall Split channel again (some interesting information)
  51. Changing rectifier in a Ceriatone 5f6A Bassman
  52. guitar amp ->PA =cabulator
  53. Optocoupler in Fender tremolo
  54. Bugera 1960 infinium Schematic
  55. Epiphone Valve Junior OT upgrade -- help please???
  56. Hall Amplification VVR3 in Selmer Treble & Bass 50 Mk3
  57. modifying the Fender Greta line out
  58. Wanna help with basic mods...
  59. B+ voltage drop via Zener/MOSFET question
  60. Minimum output impedance for Marshall Lead 12.
  61. Hammond drawbars - guitar
  62. Peavey Bravo modifications
  63. Hot Rod Deville upgrade
  64. Twin reverb new speakers
  65. 65 Princeton reverb reissue Power transformer pn# 75165 Where can I get one ??
  66. Converting a PCB Champion 600 to a handwired 5F1
  67. Magnatone M13 - Easy Gain Boost
  68. Marshall DSL 100 - Mod to Switchable (50/100 watts)
  69. Fender Hot Rod Deluxe volume pot replacement
  70. Peavey Classic 50 Blue Mods
  71. 12AU7 failed in Orange AD30
  72. Crate gxt-100 is now a BENGL two more related mods needed
  73. Line-In to Active EQ of Fender Super Twin?
  74. Peavey Bandit 65 mods, anyone have any good mods?
  75. Best SGRs?
  76. Fender Greta Tone Control Mod for Music Playing Purposes
  77. Switchable Cathode Bypass Cap help
  78. Adding another tube to a Crate GXT100
  79. 6V6 bias question
  80. Marshall JCM800 4210 Channel Switcher - modification - advice sought.
  81. My amp needs to be louder, said the novice
  82. Marshall Valvestate - Adding Cooling Fan?
  83. Help with Mesa mark V CH2 mod
  84. JCA22H too bright
  85. Crate Gxt-100 looking for any mods
  86. The beauty of a decade box: ab763 tweaks
  87. non-presence 12ax7 phase inverter
  88. bugera 333xl-212 tone stack mod + more
  89. Silverface to Blackface
  90. Rivera S120 Mods - Please Help!
  91. Orange tiny Terror fx loop mod ?
  92. Help on DIY F2B with mods
  93. Changing Plate resistor question.
  94. Compilation of BF Reverb Fender Mods
  95. Guild Thunderbass 50Watt power supply issues
  96. Dual independent bias for a Windsor
  97. Amp Maker SE5 extra gain stage
  98. large PI tail resistor
  99. Bucking Transformer Built In to Chassis
  100. Univox U45b Tremolo
  101. Jcm 2210 mod help
  102. VHT Special 6 Ultra Mods
  103. Mod/Tweak VHT Special 6 Combo
  104. CRATE VC-3112 4xEL84 to 2xEL84 mod?
  105. "Fender" remote reverb control Badabing ka-pow!
  106. A couple questions about Peavey Butcher mods (should also apply to VTM)
  107. 5F1 Champ Mods - component ratings?
  108. 68 Princeton Reverb Bias Mod Question
  109. Moving clean ch. Tonestack on a 2210. Good idea?
  110. Can I add a Piezo tweeter to Peavey KB100?
  111. L-pad question
  112. Blackstar HT-1 - Add reverb?
  113. Useful Matchless Cluman mods?
  114. Line 100v amp conversion ?
  115. Add choke to blues junior (mexico)
  116. Music Man RD50 112 6l6 to 6v6
  117. LOW Gain !
  118. Looking for Bright options...
  119. DSL 401 mods
  120. prosonic combo weak reverb
  121. Marshall AVT50 cd input too loud
  122. Princeton 112 Plus - Shutdown MOD
  123. Fender Bassman output waveform oscillations
  124. PPIMV in SF Twin 135
  125. Uberschall channel balance
  126. Modifying Princeton 112 plus - Make Dirty Channel Versatile Clean Channel
  127. Fender princeton 112 solid state too loud!!
  128. Converting AA371 Basssman to best sounding circuit for guitar- which one ?
  129. Bugera v22 mod questions from a beginner
  130. Mustang III
  131. Connect a combo amp to a 4x12 cab.. Can it be done?
  132. need to add an Fx loop to valve amp ?
  133. Mesa boogie Nomad 100 new speaker reqd
  134. Marshall 1987X. customer says too loud
  135. Help me please
  136. Anyone know where to get the Fender silverface push/pull master volume pots?
  137. What Have I Done??? Orange Rocker 30 OT Swap
  138. Adding Midrange control to this tone circuit
  139. Effects loop wont work ?????
  140. I know, Valvestate 150 mod to make clean channel worth using?
  141. FX Loop problems
  142. Univox U200B
  143. El 84 fixed bias amp & Paul Ruby zener mod.
  144. Fender Blues jnr Too much treble
  145. Switching jack needed?
  146. Marshall JCM 800 2204 FX loop advice
  147. Question about gain staging
  148. tube saving power up tweaks?
  149. Mark Moyer mods to "Custom" Vibrolux Reverb
  150. Adding a choke to Ampeg V-4 power supply?
  151. Using Kalamazoo Model One as a preamp.
  152. Older Traynor YCV40 Master Mod.....again
  153. triode/pentode high/low power switch
  154. Peavey Classic 30 Cathode Bias / Half wattage mod
  155. BF Fender VibroVerb and Deluxe Reverb double note intermod at 15 Fret
  156. Lowering the Voltage on Traynor YBA-1
  157. 1996 Marshall 1959SLP Reissue
  158. Volume pots with power switches
  159. Factory bulletins on the Fender Princeton 112+? Nope but here are some mods I did
  160. Mods for Fender Champion 30
  161. EL84 NFB
  162. HRD Fromel Mod
  163. Dana Hall's VVR Install: Marshall 50 watt Plexi 1987x
  164. 1968 Bandmaster TFL5005 amp cabinet swap
  165. 5e3 Internal jumpering on an on/off switch
  166. Fender Hot Rod Deville 410
  167. Tone control lift for an 18 watter
  168. adding tweeter to 2x10 bass cabinet
  169. boosting highs/ adding presence control?
  170. fender bright swith help
  171. 5F2-A Build - Help with -NFB and Pull Switch
  172. Marshall 18 watt TMB mods?
  173. Super Champ XD harsh treble--any popular mods?
  174. Vox Lil Night Train Fizzy Overdrive
  175. Fender Dual Showman Tremolo clicking and speed issues
  176. Too Much Compression - Heavy Squish - Parallel 12ay7 Tweed Style
  177. Replacing & interchanging reverb tanks
  178. Mod Troubles !
  179. External bias jack
  180. variable slope mod
  181. Mod fender vibrato circuit???
  182. cathode R value
  183. Cause of distortion pedal fizz on certain amps?
  184. Can two single ended OT's be wired for push pull use?
  185. BITMO mod for Valve Jr
  186. the bright cap (blues jr or any other amp w/one)
  187. Bassman 100 Filter cap help
  188. Fender blues jr - convert to cathode bias?
  189. Fender Champion 600 mod help...
  190. Tweed Deluxe Mods -- HELP!!!
  191. Remote controolled reverb on a Bassman????
  192. CLASSICTONE-50w-OT-Transformer for Marshall?
  193. I thought of using a 12AY7 in my SF Champ homebrew instead of a 12AX7
  194. Cascode/Triode Switch?
  195. Peavey Encore 65 Service, and Upgrade or Mods ?
  196. Orange Drop Caps vs. Ceramic Disk?
  197. Power Tube change questions
  198. Question in regards to treble bleed resistor
  199. Matchless spitfire clone?
  200. Peavey Delta Blues to Hi Gainer
  201. Robert M. Martinelli Vox Pathfinder mods
  202. Laney LC15R - too much heat - should I install a fan ?
  203. Ok to run only 2 KT88s in Fender Twin
  204. Fender Pro Reverb: KT88 mod?
  205. VC508_Line_Out_Without_Speaker_Kill
  206. The carlsbro 100 pa/r amplifier
  207. Sovtek Mig 50 distortion and gain increase mods
  208. OT impedance switch question
  209. Drilling holes for mods in chassis
  210. Building "the perfect Champ"
  211. Add tube rectifier?
  212. Crate GT1200H - Mod rhythm channel for more laid-back distortion
  213. phase inverter question
  214. Split Cathode Bias: Safe to run one tube?
  215. Power Transformer forVox Pathfinder 15R
  216. Filtercaps
  217. Marshall 800 mod question
  218. Modding Randall MTS Plexi module
  219. bright cap adjustment?
  220. Peavey Vypyr 15 Noise Gate
  221. JFET Switching and Isolation, question
  222. Tremolo mod on 1960s Ampeg Rocket 2 amp
  223. Adding MIDI CC Support to the Diezel Herbert, VH4, and Hagen
  224. JCM800 4211 mods?
  225. Bias Mod For Peavey Mace VT
  226. Dummy Load
  227. Input-level on Fender Frontman 212R
  228. 6973EH tubes for little Valco amps
  229. 15" speaker?
  230. AC30CC2 Reverb mod question....
  231. Soft start for tubes
  232. Silvertone after a few minor mods
  233. advice on a simple mod, just for the experience.
  234. laney VC30 drive channel mod
  235. "adaptor boxes"
  236. Fender 140 mods/tweeks?
  237. Adding a headphone Jack Socket
  238. One-wire mod SF Bassman 100
  239. Peavey Classic 30 Tweed Bassman Mod Help
  240. shared V1 cathode?
  241. Transformer Buzz in Bright Switch Circuit
  242. Home brew tilt back legs
  243. Taming low end response - cathode bypass caps?
  244. Crate V16 reverb upgrade?
  245. AMPEX 620 Mod?
  246. Traynor YCV40 master volume mods
  247. bugera 33xl-212
  248. Want to use preamp section ONLY on 100w tube amp
  249. 230v Transformer for Blues Pearl Texas Tornado
  250. Silvertone 1484 bring your tone alive and improved reverb mods