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  1. E-Wave DG2-30RH head Clean channel too bright
  2. ENGL E320 clean vol mod
  3. Trem and Bias
  4. marshall 1987x hiss reduction possible?
  5. Slope resistor and cap changes when changing a CF side to a 12ay7/12au7
  6. I wish to modify the tone stack in my Ashdown Mag 300 head.
  7. Using 12AT7 instead of 12AX7
  8. Subbing 12AU7 for 12AX7
  9. Any thoughts on how to "soften" attack on a Fender Bassman ?
  10. Fender Blues Junior excessive treble
  11. Looking for less low-cut in Randall RVC (like RD5C)
  12. Marshall JCM 900 mod
  13. Modding reverb
  14. Marshall Split channel again (some interesting information)
  15. Changing rectifier in a Ceriatone 5f6A Bassman
  16. guitar amp ->PA =cabulator
  17. Optocoupler in Fender tremolo
  18. Bugera 1960 infinium Schematic
  19. Epiphone Valve Junior OT upgrade -- help please???
  20. Hall Amplification VVR3 in Selmer Treble & Bass 50 Mk3
  21. modifying the Fender Greta line out
  22. Wanna help with basic mods...
  23. B+ voltage drop via Zener/MOSFET question
  24. Minimum output impedance for Marshall Lead 12.
  25. Hammond drawbars - guitar
  26. Peavey Bravo modifications
  27. Hot Rod Deville upgrade
  28. Twin reverb new speakers
  29. 65 Princeton reverb reissue Power transformer pn# 75165 Where can I get one ??
  30. Converting a PCB Champion 600 to a handwired 5F1
  31. Magnatone M13 - Easy Gain Boost
  32. Marshall DSL 100 - Mod to Switchable (50/100 watts)
  33. Fender Hot Rod Deluxe volume pot replacement
  34. Peavey Classic 50 Blue Mods
  35. 12AU7 failed in Orange AD30
  36. Crate gxt-100 is now a BENGL two more related mods needed
  37. Line-In to Active EQ of Fender Super Twin?
  38. Peavey Bandit 65 mods, anyone have any good mods?
  39. Best SGRs?
  40. Fender Greta Tone Control Mod for Music Playing Purposes
  41. Switchable Cathode Bypass Cap help
  42. Adding another tube to a Crate GXT100
  43. 6V6 bias question
  44. Marshall JCM800 4210 Channel Switcher - modification - advice sought.
  45. My amp needs to be louder, said the novice
  46. Marshall Valvestate - Adding Cooling Fan?
  47. Help with Mesa mark V CH2 mod
  48. JCA22H too bright
  49. Crate Gxt-100 looking for any mods
  50. The beauty of a decade box: ab763 tweaks
  51. non-presence 12ax7 phase inverter
  52. bugera 333xl-212 tone stack mod + more
  53. Silverface to Blackface
  54. Rivera S120 Mods - Please Help!
  55. Orange tiny Terror fx loop mod ?
  56. Help on DIY F2B with mods
  57. Changing Plate resistor question.
  58. Compilation of BF Reverb Fender Mods
  59. Guild Thunderbass 50Watt power supply issues
  60. Dual independent bias for a Windsor
  61. Amp Maker SE5 extra gain stage
  62. large PI tail resistor
  63. Bucking Transformer Built In to Chassis
  64. Univox U45b Tremolo
  65. Jcm 2210 mod help
  66. VHT Special 6 Ultra Mods
  67. Mod/Tweak VHT Special 6 Combo
  68. CRATE VC-3112 4xEL84 to 2xEL84 mod?
  69. "Fender" remote reverb control Badabing ka-pow!
  70. A couple questions about Peavey Butcher mods (should also apply to VTM)
  71. 5F1 Champ Mods - component ratings?
  72. 68 Princeton Reverb Bias Mod Question
  73. Moving clean ch. Tonestack on a 2210. Good idea?
  74. Can I add a Piezo tweeter to Peavey KB100?
  75. L-pad question
  76. Blackstar HT-1 - Add reverb?
  77. Useful Matchless Cluman mods?
  78. Line 100v amp conversion ?
  79. Add choke to blues junior (mexico)
  80. Music Man RD50 112 6l6 to 6v6
  81. LOW Gain !
  82. Looking for Bright options...
  83. DSL 401 mods
  84. prosonic combo weak reverb
  85. Marshall AVT50 cd input too loud
  86. Princeton 112 Plus - Shutdown MOD
  87. Fender Bassman output waveform oscillations
  88. PPIMV in SF Twin 135
  89. Uberschall channel balance
  90. Modifying Princeton 112 plus - Make Dirty Channel Versatile Clean Channel
  91. Fender princeton 112 solid state too loud!!
  92. Converting AA371 Basssman to best sounding circuit for guitar- which one ?
  93. Bugera v22 mod questions from a beginner
  94. Mustang III
  95. Connect a combo amp to a 4x12 cab.. Can it be done?
  96. need to add an Fx loop to valve amp ?
  97. Mesa boogie Nomad 100 new speaker reqd
  98. Marshall 1987X. customer says too loud
  99. Help me please
  100. Anyone know where to get the Fender silverface push/pull master volume pots?
  101. What Have I Done??? Orange Rocker 30 OT Swap
  102. Adding Midrange control to this tone circuit
  103. Effects loop wont work ?????
  104. I know, Valvestate 150 mod to make clean channel worth using?
  105. FX Loop problems
  106. Univox U200B
  107. El 84 fixed bias amp & Paul Ruby zener mod.
  108. Fender Blues jnr Too much treble
  109. Switching jack needed?
  110. Marshall JCM 800 2204 FX loop advice
  111. Question about gain staging
  112. tube saving power up tweaks?
  113. Mark Moyer mods to "Custom" Vibrolux Reverb
  114. Adding a choke to Ampeg V-4 power supply?
  115. Using Kalamazoo Model One as a preamp.
  116. Older Traynor YCV40 Master Mod.....again
  117. triode/pentode high/low power switch
  118. Peavey Classic 30 Cathode Bias / Half wattage mod
  119. BF Fender VibroVerb and Deluxe Reverb double note intermod at 15 Fret
  120. Lowering the Voltage on Traynor YBA-1
  121. 1996 Marshall 1959SLP Reissue
  122. Volume pots with power switches
  123. Factory bulletins on the Fender Princeton 112+? Nope but here are some mods I did
  124. Mods for Fender Champion 30
  125. EL84 NFB
  126. HRD Fromel Mod
  127. Dana Hall's VVR Install: Marshall 50 watt Plexi 1987x
  128. 1968 Bandmaster TFL5005 amp cabinet swap
  129. 5e3 Internal jumpering on an on/off switch
  130. Fender Hot Rod Deville 410
  131. Tone control lift for an 18 watter
  132. adding tweeter to 2x10 bass cabinet
  133. boosting highs/ adding presence control?
  134. fender bright swith help
  135. 5F2-A Build - Help with -NFB and Pull Switch
  136. Marshall 18 watt TMB mods?
  137. Super Champ XD harsh treble--any popular mods?
  138. Vox Lil Night Train Fizzy Overdrive
  139. Fender Dual Showman Tremolo clicking and speed issues
  140. Too Much Compression - Heavy Squish - Parallel 12ay7 Tweed Style
  141. Replacing & interchanging reverb tanks
  142. Mod Troubles !
  143. External bias jack
  144. variable slope mod
  145. Mod fender vibrato circuit???
  146. cathode R value
  147. Cause of distortion pedal fizz on certain amps?
  148. Can two single ended OT's be wired for push pull use?
  149. BITMO mod for Valve Jr
  150. the bright cap (blues jr or any other amp w/one)
  151. Bassman 100 Filter cap help
  152. Fender blues jr - convert to cathode bias?
  153. Fender Champion 600 mod help...
  154. Tweed Deluxe Mods -- HELP!!!
  155. Remote controolled reverb on a Bassman????
  156. CLASSICTONE-50w-OT-Transformer for Marshall?
  157. I thought of using a 12AY7 in my SF Champ homebrew instead of a 12AX7
  158. Cascode/Triode Switch?
  159. Peavey Encore 65 Service, and Upgrade or Mods ?
  160. Orange Drop Caps vs. Ceramic Disk?
  161. Power Tube change questions
  162. Question in regards to treble bleed resistor
  163. Matchless spitfire clone?
  164. Peavey Delta Blues to Hi Gainer
  165. Robert M. Martinelli Vox Pathfinder mods
  166. Laney LC15R - too much heat - should I install a fan ?
  167. Ok to run only 2 KT88s in Fender Twin
  168. Fender Pro Reverb: KT88 mod?
  169. VC508_Line_Out_Without_Speaker_Kill
  170. The carlsbro 100 pa/r amplifier
  171. Sovtek Mig 50 distortion and gain increase mods
  172. OT impedance switch question
  173. Drilling holes for mods in chassis
  174. Building "the perfect Champ"
  175. Add tube rectifier?
  176. Crate GT1200H - Mod rhythm channel for more laid-back distortion
  177. phase inverter question
  178. Split Cathode Bias: Safe to run one tube?
  179. Power Transformer forVox Pathfinder 15R
  180. Filtercaps
  181. Marshall 800 mod question
  182. Modding Randall MTS Plexi module
  183. bright cap adjustment?
  184. Peavey Vypyr 15 Noise Gate
  185. JFET Switching and Isolation, question
  186. Tremolo mod on 1960s Ampeg Rocket 2 amp
  187. Adding MIDI CC Support to the Diezel Herbert, VH4, and Hagen
  188. JCM800 4211 mods?
  189. Bias Mod For Peavey Mace VT
  190. Dummy Load
  191. Input-level on Fender Frontman 212R
  192. 6973EH tubes for little Valco amps
  193. 15" speaker?
  194. AC30CC2 Reverb mod question....
  195. Soft start for tubes
  196. Silvertone after a few minor mods
  197. advice on a simple mod, just for the experience.
  198. laney VC30 drive channel mod
  199. "adaptor boxes"
  200. Fender 140 mods/tweeks?
  201. Adding a headphone Jack Socket
  202. One-wire mod SF Bassman 100
  203. Peavey Classic 30 Tweed Bassman Mod Help
  204. shared V1 cathode?
  205. Transformer Buzz in Bright Switch Circuit
  206. Home brew tilt back legs
  207. Taming low end response - cathode bypass caps?
  208. Crate V16 reverb upgrade?
  209. AMPEX 620 Mod?
  210. Traynor YCV40 master volume mods
  211. bugera 33xl-212
  212. Want to use preamp section ONLY on 100w tube amp
  213. 230v Transformer for Blues Pearl Texas Tornado
  214. Silvertone 1484 bring your tone alive and improved reverb mods
  215. c30 tweed bassman mod. leak in normal channel
  216. Ac 30 modification question
  217. A little cathode bypass
  218. Mesa Boogie F-50 adjustable bias mod
  219. Preamp circuit mod for replacing a 12AX7 with a 12AU7 gain stage
  220. Ac 30 cathode resistor
  221. Output transformer swap?
  222. Jumpering channels on a top boost AC30
  223. Higher Coupling Caps; Vox Bass boost? Or Vox tone hell?
  224. Splawn Quickrod Mods
  225. bass,mid range, treble mod for Kustom KGA10 (with existing speaker mod)
  226. Screen Taps
  227. Any ideas how to put a master volume on an EL34 power amp section??
  228. Tweaking new 5e3 build
  229. Modify tremolo on AC4?
  230. Paul Ruby mod in Vox Night Train
  231. Removing gain channel preamp tube(s) Palomino V50 for better clean channel tone?
  232. Epi Valve Junior / GA5 tone stack - where do I put it
  233. Fender Champ 12 mod
  234. DSL grid mod
  235. Laney GH100L & 6550 tubes, also some other stuff...
  236. Need to add gain to a Laney GH100L
  237. Hook up wire
  238. Anyone play with Bogner circuits?
  239. Orange Dual Terror OT Swap
  240. High pass filter on reverb recovery
  241. Soldering PCB - JCA50H
  242. My Ab763 Has Gas
  243. Bassman transformer for Bandmaster - which is better?
  244. Polystyrene Caps vs Silver Mica?
  245. Iincrease signal to output tubes in Fender Super Champ XD?
  246. Tweed 5e3 Deluxe circuit with reverb and vibrato: possible??? Tremolux Reverb?
  247. Using reverb amp from 62 GE console RC1430A
  248. Marshall DSL100 2 230V to 120V
  249. Can I use an Orange Drop (non-polarized) in place of an electrolytic polarized cap?
  250. Are push button power switches crap?