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  1. Sound differences from different dual op amps in SS amps
  2. De-biasing a Peavey Classic VT (6L6 output stage)
  3. Tonestack help
  4. add an attenuator to an existing tweeter?
  5. mesa mk IV bias
  6. Conversion to acoustic amp
  7. Taming Fender Blues Deluxe Abrupt Volume Control
  8. Switchable VTM 60/120
  9. SF Twin reverb Ultra linear transformer Blackfacing
  10. Age Old Problem of TOOO Bright Super Reverb
  11. Deeper voicing on EVH5150iii
  12. Different types of power resistors
  13. What cap value for this idea?
  14. Mesa Nomad 55 Reduce the gain
  15. Vox Escort Mains/Battery amp power upgrade?
  16. Possible wrong installation of diodes in place of a 6X4
  17. Taming a Gibson tone stack
  18. "Tighter" Bass on a Tone King.
  19. Peavey xxx upgrades
  20. Cable runs and effect on tone
  21. Help with mod to Crate FW65 Combo
  22. Mesa .50cal EL84 version bias pot mod
  23. Switch ratings for mods with high voltage
  24. Musicman 75 head 2100EX too much overdrive
  25. Marshall DSL mod
  26. Any ideas for a temperature controlled fan for Bass amp
  27. Traynor YBA-3 dummy load to use 8 ohm cabinet?
  28. Slitting speaker cone or knitting needle ? Kinks content
  29. Vox lead escort 50 - integrating valve stage
  30. LTPI on a 6G2?
  31. Adding a footswitch to a Blackstar HT-1
  32. Fender Deluxe 112 Plus Too LOUD
  33. JCM 2000 Marshall TSL 100 mod to DSL 100 Specs
  34. Built-in solid state reverb circuit for tube amp homebrew...
  35. Reduce treble in Fender Frontman 212r clean channel with circuit mod
  36. Silverfacing a Deluxe Reverb
  37. Crate Vintage Club 30 /50 Remove V1 from the dirt channel to reduce gain
  38. ROLAND BOLT 30- 60 cycle hum...
  39. Fender Bassman AA864 variant - mods
  40. Peavey 6505+ 112 mod for channel balance
  41. Peavey Valveking Modifications
  42. tightening up BF Princeton reverb ?
  43. Best way to increase bass response...
  44. E-Wave DG2-30RH head Clean channel too bright
  45. ENGL E320 clean vol mod
  46. Trem and Bias
  47. marshall 1987x hiss reduction possible?
  48. Slope resistor and cap changes when changing a CF side to a 12ay7/12au7
  49. I wish to modify the tone stack in my Ashdown Mag 300 head.
  50. Using 12AT7 instead of 12AX7
  51. Subbing 12AU7 for 12AX7
  52. Any thoughts on how to "soften" attack on a Fender Bassman ?
  53. Fender Blues Junior excessive treble
  54. Looking for less low-cut in Randall RVC (like RD5C)
  55. Marshall JCM 900 mod
  56. Modding reverb
  57. Marshall Split channel again (some interesting information)
  58. Changing rectifier in a Ceriatone 5f6A Bassman
  59. guitar amp ->PA =cabulator
  60. Optocoupler in Fender tremolo
  61. Bugera 1960 infinium Schematic
  62. Epiphone Valve Junior OT upgrade -- help please???
  63. Hall Amplification VVR3 in Selmer Treble & Bass 50 Mk3
  64. modifying the Fender Greta line out
  65. Wanna help with basic mods...
  66. B+ voltage drop via Zener/MOSFET question
  67. Minimum output impedance for Marshall Lead 12.
  68. Hammond drawbars - guitar
  69. Peavey Bravo modifications
  70. Hot Rod Deville upgrade
  71. Twin reverb new speakers
  72. 65 Princeton reverb reissue Power transformer pn# 75165 Where can I get one ??
  73. Converting a PCB Champion 600 to a handwired 5F1
  74. Magnatone M13 - Easy Gain Boost
  75. Marshall DSL 100 - Mod to Switchable (50/100 watts)
  76. Fender Hot Rod Deluxe volume pot replacement
  77. Peavey Classic 50 Blue Mods
  78. 12AU7 failed in Orange AD30
  79. Crate gxt-100 is now a BENGL two more related mods needed
  80. Line-In to Active EQ of Fender Super Twin?
  81. Peavey Bandit 65 mods, anyone have any good mods?
  82. Best SGRs?
  83. Fender Greta Tone Control Mod for Music Playing Purposes
  84. Switchable Cathode Bypass Cap help
  85. Adding another tube to a Crate GXT100
  86. 6V6 bias question
  87. Marshall JCM800 4210 Channel Switcher - modification - advice sought.
  88. My amp needs to be louder, said the novice
  89. Marshall Valvestate - Adding Cooling Fan?
  90. Help with Mesa mark V CH2 mod
  91. JCA22H too bright
  92. Crate Gxt-100 looking for any mods
  93. The beauty of a decade box: ab763 tweaks
  94. non-presence 12ax7 phase inverter
  95. bugera 333xl-212 tone stack mod + more
  96. Silverface to Blackface
  97. Rivera S120 Mods - Please Help!
  98. Orange tiny Terror fx loop mod ?
  99. Help on DIY F2B with mods
  100. Changing Plate resistor question.
  101. Compilation of BF Reverb Fender Mods
  102. Guild Thunderbass 50Watt power supply issues
  103. Dual independent bias for a Windsor
  104. Amp Maker SE5 extra gain stage
  105. large PI tail resistor
  106. Bucking Transformer Built In to Chassis
  107. Univox U45b Tremolo
  108. Jcm 2210 mod help
  109. VHT Special 6 Ultra Mods
  110. Mod/Tweak VHT Special 6 Combo
  111. CRATE VC-3112 4xEL84 to 2xEL84 mod?
  112. "Fender" remote reverb control Badabing ka-pow!
  113. A couple questions about Peavey Butcher mods (should also apply to VTM)
  114. 5F1 Champ Mods - component ratings?
  115. 68 Princeton Reverb Bias Mod Question
  116. Moving clean ch. Tonestack on a 2210. Good idea?
  117. Can I add a Piezo tweeter to Peavey KB100?
  118. L-pad question
  119. Blackstar HT-1 - Add reverb?
  120. Useful Matchless Cluman mods?
  121. Line 100v amp conversion ?
  122. Add choke to blues junior (mexico)
  123. Music Man RD50 112 6l6 to 6v6
  124. LOW Gain !
  125. Looking for Bright options...
  126. DSL 401 mods
  127. prosonic combo weak reverb
  128. Marshall AVT50 cd input too loud
  129. Princeton 112 Plus - Shutdown MOD
  130. Fender Bassman output waveform oscillations
  131. PPIMV in SF Twin 135
  132. Uberschall channel balance
  133. Modifying Princeton 112 plus - Make Dirty Channel Versatile Clean Channel
  134. Fender princeton 112 solid state too loud!!
  135. Converting AA371 Basssman to best sounding circuit for guitar- which one ?
  136. Bugera v22 mod questions from a beginner
  137. Mustang III
  138. Connect a combo amp to a 4x12 cab.. Can it be done?
  139. need to add an Fx loop to valve amp ?
  140. Mesa boogie Nomad 100 new speaker reqd
  141. Marshall 1987X. customer says too loud
  142. Help me please
  143. Anyone know where to get the Fender silverface push/pull master volume pots?
  144. What Have I Done??? Orange Rocker 30 OT Swap
  145. Adding Midrange control to this tone circuit
  146. Effects loop wont work ?????
  147. I know, Valvestate 150 mod to make clean channel worth using?
  148. FX Loop problems
  149. Univox U200B
  150. El 84 fixed bias amp & Paul Ruby zener mod.
  151. Fender Blues jnr Too much treble
  152. Switching jack needed?
  153. Marshall JCM 800 2204 FX loop advice
  154. Question about gain staging
  155. tube saving power up tweaks?
  156. Mark Moyer mods to "Custom" Vibrolux Reverb
  157. Adding a choke to Ampeg V-4 power supply?
  158. Using Kalamazoo Model One as a preamp.
  159. Older Traynor YCV40 Master Mod.....again
  160. triode/pentode high/low power switch
  161. Peavey Classic 30 Cathode Bias / Half wattage mod
  162. BF Fender VibroVerb and Deluxe Reverb double note intermod at 15 Fret
  163. Lowering the Voltage on Traynor YBA-1
  164. 1996 Marshall 1959SLP Reissue
  165. Volume pots with power switches
  166. Factory bulletins on the Fender Princeton 112+? Nope but here are some mods I did
  167. Mods for Fender Champion 30
  168. EL84 NFB
  169. HRD Fromel Mod
  170. Dana Hall's VVR Install: Marshall 50 watt Plexi 1987x
  171. 1968 Bandmaster TFL5005 amp cabinet swap
  172. 5e3 Internal jumpering on an on/off switch
  173. Fender Hot Rod Deville 410
  174. Tone control lift for an 18 watter
  175. adding tweeter to 2x10 bass cabinet
  176. boosting highs/ adding presence control?
  177. fender bright swith help
  178. 5F2-A Build - Help with -NFB and Pull Switch
  179. Marshall 18 watt TMB mods?
  180. Super Champ XD harsh treble--any popular mods?
  181. Vox Lil Night Train Fizzy Overdrive
  182. Fender Dual Showman Tremolo clicking and speed issues
  183. Too Much Compression - Heavy Squish - Parallel 12ay7 Tweed Style
  184. Replacing & interchanging reverb tanks
  185. Mod Troubles !
  186. External bias jack
  187. variable slope mod
  188. Mod fender vibrato circuit???
  189. cathode R value
  190. Cause of distortion pedal fizz on certain amps?
  191. Can two single ended OT's be wired for push pull use?
  192. BITMO mod for Valve Jr
  193. the bright cap (blues jr or any other amp w/one)
  194. Bassman 100 Filter cap help
  195. Fender blues jr - convert to cathode bias?
  196. Fender Champion 600 mod help...
  197. Tweed Deluxe Mods -- HELP!!!
  198. Remote controolled reverb on a Bassman????
  199. CLASSICTONE-50w-OT-Transformer for Marshall?
  200. I thought of using a 12AY7 in my SF Champ homebrew instead of a 12AX7
  201. Cascode/Triode Switch?
  202. Peavey Encore 65 Service, and Upgrade or Mods ?
  203. Orange Drop Caps vs. Ceramic Disk?
  204. Power Tube change questions
  205. Question in regards to treble bleed resistor
  206. Matchless spitfire clone?
  207. Peavey Delta Blues to Hi Gainer
  208. Robert M. Martinelli Vox Pathfinder mods
  209. Laney LC15R - too much heat - should I install a fan ?
  210. Ok to run only 2 KT88s in Fender Twin
  211. Fender Pro Reverb: KT88 mod?
  212. VC508_Line_Out_Without_Speaker_Kill
  213. The carlsbro 100 pa/r amplifier
  214. Sovtek Mig 50 distortion and gain increase mods
  215. OT impedance switch question
  216. Drilling holes for mods in chassis
  217. Building "the perfect Champ"
  218. Add tube rectifier?
  219. Crate GT1200H - Mod rhythm channel for more laid-back distortion
  220. phase inverter question
  221. Split Cathode Bias: Safe to run one tube?
  222. Power Transformer forVox Pathfinder 15R
  223. Filtercaps
  224. Marshall 800 mod question
  225. Modding Randall MTS Plexi module
  226. bright cap adjustment?
  227. Peavey Vypyr 15 Noise Gate
  228. JFET Switching and Isolation, question
  229. Tremolo mod on 1960s Ampeg Rocket 2 amp
  230. Adding MIDI CC Support to the Diezel Herbert, VH4, and Hagen
  231. JCM800 4211 mods?
  232. Bias Mod For Peavey Mace VT
  233. Dummy Load
  234. Input-level on Fender Frontman 212R
  235. 6973EH tubes for little Valco amps
  236. 15" speaker?
  237. AC30CC2 Reverb mod question....
  238. Soft start for tubes
  239. Silvertone after a few minor mods
  240. advice on a simple mod, just for the experience.
  241. laney VC30 drive channel mod
  242. "adaptor boxes"
  243. Fender 140 mods/tweeks?
  244. Adding a headphone Jack Socket
  245. One-wire mod SF Bassman 100
  246. Peavey Classic 30 Tweed Bassman Mod Help
  247. shared V1 cathode?
  248. Transformer Buzz in Bright Switch Circuit
  249. Home brew tilt back legs
  250. Taming low end response - cathode bypass caps?