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  1. Adding a footswitch to a Blackstar HT-1
  2. Fender Deluxe 112 Plus Too LOUD
  3. JCM 2000 Marshall TSL 100 mod to DSL 100 Specs
  4. Built-in solid state reverb circuit for tube amp homebrew...
  5. Reduce treble in Fender Frontman 212r clean channel with circuit mod
  6. Silverfacing a Deluxe Reverb
  7. Crate Vintage Club 30 /50 Remove V1 from the dirt channel to reduce gain
  8. ROLAND BOLT 30- 60 cycle hum...
  9. Fender Bassman AA864 variant - mods
  10. Peavey 6505+ 112 mod for channel balance
  11. Peavey Valveking Modifications
  12. tightening up BF Princeton reverb ?
  13. Best way to increase bass response...
  14. E-Wave DG2-30RH head Clean channel too bright
  15. ENGL E320 clean vol mod
  16. Trem and Bias
  17. marshall 1987x hiss reduction possible?
  18. Slope resistor and cap changes when changing a CF side to a 12ay7/12au7
  19. I wish to modify the tone stack in my Ashdown Mag 300 head.
  20. Using 12AT7 instead of 12AX7
  21. Subbing 12AU7 for 12AX7
  22. Any thoughts on how to "soften" attack on a Fender Bassman ?
  23. Fender Blues Junior excessive treble
  24. Looking for less low-cut in Randall RVC (like RD5C)
  25. Marshall JCM 900 mod
  26. Modding reverb
  27. Marshall Split channel again (some interesting information)
  28. Changing rectifier in a Ceriatone 5f6A Bassman
  29. guitar amp ->PA =cabulator
  30. Optocoupler in Fender tremolo
  31. Bugera 1960 infinium Schematic
  32. Epiphone Valve Junior OT upgrade -- help please???
  33. Hall Amplification VVR3 in Selmer Treble & Bass 50 Mk3
  34. modifying the Fender Greta line out
  35. Wanna help with basic mods...
  36. B+ voltage drop via Zener/MOSFET question
  37. Minimum output impedance for Marshall Lead 12.
  38. Hammond drawbars - guitar
  39. Peavey Bravo modifications
  40. Hot Rod Deville upgrade
  41. Twin reverb new speakers
  42. 65 Princeton reverb reissue Power transformer pn# 75165 Where can I get one ??
  43. Converting a PCB Champion 600 to a handwired 5F1
  44. Magnatone M13 - Easy Gain Boost
  45. Marshall DSL 100 - Mod to Switchable (50/100 watts)
  46. Fender Hot Rod Deluxe volume pot replacement
  47. Peavey Classic 50 Blue Mods
  48. 12AU7 failed in Orange AD30
  49. Crate gxt-100 is now a BENGL two more related mods needed
  50. Line-In to Active EQ of Fender Super Twin?
  51. Peavey Bandit 65 mods, anyone have any good mods?
  52. Best SGRs?
  53. Fender Greta Tone Control Mod for Music Playing Purposes
  54. Switchable Cathode Bypass Cap help
  55. Adding another tube to a Crate GXT100
  56. 6V6 bias question
  57. Marshall JCM800 4210 Channel Switcher - modification - advice sought.
  58. My amp needs to be louder, said the novice
  59. Marshall Valvestate - Adding Cooling Fan?
  60. Help with Mesa mark V CH2 mod
  61. JCA22H too bright
  62. Crate Gxt-100 looking for any mods
  63. The beauty of a decade box: ab763 tweaks
  64. non-presence 12ax7 phase inverter
  65. bugera 333xl-212 tone stack mod + more
  66. Silverface to Blackface
  67. Rivera S120 Mods - Please Help!
  68. Orange tiny Terror fx loop mod ?
  69. Help on DIY F2B with mods
  70. Changing Plate resistor question.
  71. Compilation of BF Reverb Fender Mods
  72. Guild Thunderbass 50Watt power supply issues
  73. Dual independent bias for a Windsor
  74. Amp Maker SE5 extra gain stage
  75. large PI tail resistor
  76. Bucking Transformer Built In to Chassis
  77. Univox U45b Tremolo
  78. Jcm 2210 mod help
  79. VHT Special 6 Ultra Mods
  80. Mod/Tweak VHT Special 6 Combo
  81. CRATE VC-3112 4xEL84 to 2xEL84 mod?
  82. "Fender" remote reverb control Badabing ka-pow!
  83. A couple questions about Peavey Butcher mods (should also apply to VTM)
  84. 5F1 Champ Mods - component ratings?
  85. 68 Princeton Reverb Bias Mod Question
  86. Moving clean ch. Tonestack on a 2210. Good idea?
  87. Can I add a Piezo tweeter to Peavey KB100?
  88. L-pad question
  89. Blackstar HT-1 - Add reverb?
  90. Useful Matchless Cluman mods?
  91. Line 100v amp conversion ?
  92. Add choke to blues junior (mexico)
  93. Music Man RD50 112 6l6 to 6v6
  94. LOW Gain !
  95. Looking for Bright options...
  96. DSL 401 mods
  97. prosonic combo weak reverb
  98. Marshall AVT50 cd input too loud
  99. Princeton 112 Plus - Shutdown MOD
  100. Fender Bassman output waveform oscillations
  101. PPIMV in SF Twin 135
  102. Uberschall channel balance
  103. Modifying Princeton 112 plus - Make Dirty Channel Versatile Clean Channel
  104. Fender princeton 112 solid state too loud!!
  105. Converting AA371 Basssman to best sounding circuit for guitar- which one ?
  106. Bugera v22 mod questions from a beginner
  107. Mustang III
  108. Connect a combo amp to a 4x12 cab.. Can it be done?
  109. need to add an Fx loop to valve amp ?
  110. Mesa boogie Nomad 100 new speaker reqd
  111. Marshall 1987X. customer says too loud
  112. Help me please
  113. Anyone know where to get the Fender silverface push/pull master volume pots?
  114. What Have I Done??? Orange Rocker 30 OT Swap
  115. Adding Midrange control to this tone circuit
  116. Effects loop wont work ?????
  117. I know, Valvestate 150 mod to make clean channel worth using?
  118. FX Loop problems
  119. Univox U200B
  120. El 84 fixed bias amp & Paul Ruby zener mod.
  121. Fender Blues jnr Too much treble
  122. Switching jack needed?
  123. Marshall JCM 800 2204 FX loop advice
  124. Question about gain staging
  125. tube saving power up tweaks?
  126. Mark Moyer mods to "Custom" Vibrolux Reverb
  127. Adding a choke to Ampeg V-4 power supply?
  128. Using Kalamazoo Model One as a preamp.
  129. Older Traynor YCV40 Master Mod.....again
  130. triode/pentode high/low power switch
  131. Peavey Classic 30 Cathode Bias / Half wattage mod
  132. BF Fender VibroVerb and Deluxe Reverb double note intermod at 15 Fret
  133. Lowering the Voltage on Traynor YBA-1
  134. 1996 Marshall 1959SLP Reissue
  135. Volume pots with power switches
  136. Factory bulletins on the Fender Princeton 112+? Nope but here are some mods I did
  137. Mods for Fender Champion 30
  138. EL84 NFB
  139. HRD Fromel Mod
  140. Dana Hall's VVR Install: Marshall 50 watt Plexi 1987x
  141. 1968 Bandmaster TFL5005 amp cabinet swap
  142. 5e3 Internal jumpering on an on/off switch
  143. Fender Hot Rod Deville 410
  144. Tone control lift for an 18 watter
  145. adding tweeter to 2x10 bass cabinet
  146. boosting highs/ adding presence control?
  147. fender bright swith help
  148. 5F2-A Build - Help with -NFB and Pull Switch
  149. Marshall 18 watt TMB mods?
  150. Super Champ XD harsh treble--any popular mods?
  151. Vox Lil Night Train Fizzy Overdrive
  152. Fender Dual Showman Tremolo clicking and speed issues
  153. Too Much Compression - Heavy Squish - Parallel 12ay7 Tweed Style
  154. Replacing & interchanging reverb tanks
  155. Mod Troubles !
  156. External bias jack
  157. variable slope mod
  158. Mod fender vibrato circuit???
  159. cathode R value
  160. Cause of distortion pedal fizz on certain amps?
  161. Can two single ended OT's be wired for push pull use?
  162. BITMO mod for Valve Jr
  163. the bright cap (blues jr or any other amp w/one)
  164. Bassman 100 Filter cap help
  165. Fender blues jr - convert to cathode bias?
  166. Fender Champion 600 mod help...
  167. Tweed Deluxe Mods -- HELP!!!
  168. Remote controolled reverb on a Bassman????
  169. CLASSICTONE-50w-OT-Transformer for Marshall?
  170. I thought of using a 12AY7 in my SF Champ homebrew instead of a 12AX7
  171. Cascode/Triode Switch?
  172. Peavey Encore 65 Service, and Upgrade or Mods ?
  173. Orange Drop Caps vs. Ceramic Disk?
  174. Power Tube change questions
  175. Question in regards to treble bleed resistor
  176. Matchless spitfire clone?
  177. Peavey Delta Blues to Hi Gainer
  178. Robert M. Martinelli Vox Pathfinder mods
  179. Laney LC15R - too much heat - should I install a fan ?
  180. Ok to run only 2 KT88s in Fender Twin
  181. Fender Pro Reverb: KT88 mod?
  182. VC508_Line_Out_Without_Speaker_Kill
  183. The carlsbro 100 pa/r amplifier
  184. Sovtek Mig 50 distortion and gain increase mods
  185. OT impedance switch question
  186. Drilling holes for mods in chassis
  187. Building "the perfect Champ"
  188. Add tube rectifier?
  189. Crate GT1200H - Mod rhythm channel for more laid-back distortion
  190. phase inverter question
  191. Split Cathode Bias: Safe to run one tube?
  192. Power Transformer forVox Pathfinder 15R
  193. Filtercaps
  194. Marshall 800 mod question
  195. Modding Randall MTS Plexi module
  196. bright cap adjustment?
  197. Peavey Vypyr 15 Noise Gate
  198. JFET Switching and Isolation, question
  199. Tremolo mod on 1960s Ampeg Rocket 2 amp
  200. Adding MIDI CC Support to the Diezel Herbert, VH4, and Hagen
  201. JCM800 4211 mods?
  202. Bias Mod For Peavey Mace VT
  203. Dummy Load
  204. Input-level on Fender Frontman 212R
  205. 6973EH tubes for little Valco amps
  206. 15" speaker?
  207. AC30CC2 Reverb mod question....
  208. Soft start for tubes
  209. Silvertone after a few minor mods
  210. advice on a simple mod, just for the experience.
  211. laney VC30 drive channel mod
  212. "adaptor boxes"
  213. Fender 140 mods/tweeks?
  214. Adding a headphone Jack Socket
  215. One-wire mod SF Bassman 100
  216. Peavey Classic 30 Tweed Bassman Mod Help
  217. shared V1 cathode?
  218. Transformer Buzz in Bright Switch Circuit
  219. Home brew tilt back legs
  220. Taming low end response - cathode bypass caps?
  221. Crate V16 reverb upgrade?
  222. AMPEX 620 Mod?
  223. Traynor YCV40 master volume mods
  224. bugera 33xl-212
  225. Want to use preamp section ONLY on 100w tube amp
  226. 230v Transformer for Blues Pearl Texas Tornado
  227. Silvertone 1484 bring your tone alive and improved reverb mods
  228. c30 tweed bassman mod. leak in normal channel
  229. Ac 30 modification question
  230. A little cathode bypass
  231. Mesa Boogie F-50 adjustable bias mod
  232. Preamp circuit mod for replacing a 12AX7 with a 12AU7 gain stage
  233. Ac 30 cathode resistor
  234. Output transformer swap?
  235. Jumpering channels on a top boost AC30
  236. Higher Coupling Caps; Vox Bass boost? Or Vox tone hell?
  237. Splawn Quickrod Mods
  238. bass,mid range, treble mod for Kustom KGA10 (with existing speaker mod)
  239. Screen Taps
  240. Any ideas how to put a master volume on an EL34 power amp section??
  241. Tweaking new 5e3 build
  242. Modify tremolo on AC4?
  243. Paul Ruby mod in Vox Night Train
  244. Removing gain channel preamp tube(s) Palomino V50 for better clean channel tone?
  245. Epi Valve Junior / GA5 tone stack - where do I put it
  246. Fender Champ 12 mod
  247. DSL grid mod
  248. Laney GH100L & 6550 tubes, also some other stuff...
  249. Need to add gain to a Laney GH100L
  250. Hook up wire