View Full Version : Mods & Tweeks

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  1. Using Combo amp Speaker as Cab
  2. Marshall JVM
  3. Are SoZo blue caps the same as Fender blue caps?
  4. Line out help please
  5. I want to reduce the gain in my Peavey Rage 158.
  6. help with some peavey XXX mods
  7. Simplest way to turn a combo amp into both a head and a cab as well?
  8. Amp Mod for some More Gain?
  9. Bogen PA head for guitar? Help with pentode preamp stages.
  10. Another JTM60 1x12 thread/question... (haven't seen this one)
  11. Fender Blues Jnr Mk3 Mod
  12. What's this JCM800 mod do?
  13. What's this JCM800 mod do?
  14. Supro Inspired VVR Question
  15. MASSIVE improvement to Mesa Boogie SOB mod - How to add a real presence control
  16. Adding tube spring reverb to a Mesa Boogie SOB
  17. 5V4 instead of 5Y3 ?
  18. Bypass Digital Board in Super Champ XD (& possibly others)
  19. Epiphone valve standard to increase the treble
  20. Different Speaker Outputs On Marshall DSL 40C
  21. Help needed to upgrade Capacitors in a Marshall DSL 40C
  22. coupling cap to block some bass?
  23. Hicks mender
  24. 2015 VOX Ac30c2 service manual
  25. Drop preamp voltage
  26. Fun new zener tweak!
  27. Convert 5F6A Bassman into 5F8A Twin
  28. Blues Jr, any mods or advice available to convert tube mount pcb to hard wired?
  29. Newest Peavey Classic 30 - Blue Guitar Mods?
  30. Cathode bypass gain boost questions
  31. converting 6sc7 amp to use 6sl7
  32. 6CA7 tubes something different in the place of EL34 ??
  33. Remove ground lift network? JCM900 dual reverb
  34. Gallien Krueger MB150S-III adding Boost circuit ala GK MB150E-III
  35. JCM900 4500 Mod: C27 Jumper or...
  36. cathodyne/LTP switch (for small P-P amp)
  37. Replacing my tone control with an Orange-style shape control
  38. Project! Convert push/pull 'boost pot' to a footswitchable jack?
  39. Fender Twin bias dilema
  40. Fender Ultralinear - KT66, 77 or KT88?
  41. Improved circuit for power tube tremolo in a fixed-bias amp
  42. Bias test points for PCB amp
  43. Fender Frontman 65R volume mod
  44. Peavey Classic VTX 65 watt combo question for Enzo
  45. Eyelet boarding a reissue amp (Fender)
  46. Which switch for high voltage switching?
  47. Carvin Belair - moding one channel
  48. Sound differences from different dual op amps in SS amps
  49. De-biasing a Peavey Classic VT (6L6 output stage)
  50. Tonestack help
  51. add an attenuator to an existing tweeter?
  52. mesa mk IV bias
  53. Conversion to acoustic amp
  54. Taming Fender Blues Deluxe Abrupt Volume Control
  55. Switchable VTM 60/120
  56. SF Twin reverb Ultra linear transformer Blackfacing
  57. Age Old Problem of TOOO Bright Super Reverb
  58. Deeper voicing on EVH5150iii
  59. Different types of power resistors
  60. What cap value for this idea?
  61. Mesa Nomad 55 Reduce the gain
  62. Vox Escort Mains/Battery amp power upgrade?
  63. Possible wrong installation of diodes in place of a 6X4
  64. Taming a Gibson tone stack
  65. "Tighter" Bass on a Tone King.
  66. Peavey xxx upgrades
  67. Cable runs and effect on tone
  68. Help with mod to Crate FW65 Combo
  69. Mesa .50cal EL84 version bias pot mod
  70. Switch ratings for mods with high voltage
  71. Musicman 75 head 2100EX too much overdrive
  72. Marshall DSL mod
  73. Any ideas for a temperature controlled fan for Bass amp
  74. Traynor YBA-3 dummy load to use 8 ohm cabinet?
  75. Slitting speaker cone or knitting needle ? Kinks content
  76. Vox lead escort 50 - integrating valve stage
  77. LTPI on a 6G2?
  78. Adding a footswitch to a Blackstar HT-1
  79. Fender Deluxe 112 Plus Too LOUD
  80. JCM 2000 Marshall TSL 100 mod to DSL 100 Specs
  81. Built-in solid state reverb circuit for tube amp homebrew...
  82. Reduce treble in Fender Frontman 212r clean channel with circuit mod
  83. Silverfacing a Deluxe Reverb
  84. Crate Vintage Club 30 /50 Remove V1 from the dirt channel to reduce gain
  85. ROLAND BOLT 30- 60 cycle hum...
  86. Fender Bassman AA864 variant - mods
  87. Peavey 6505+ 112 mod for channel balance
  88. Peavey Valveking Modifications
  89. tightening up BF Princeton reverb ?
  90. Best way to increase bass response...
  91. E-Wave DG2-30RH head Clean channel too bright
  92. ENGL E320 clean vol mod
  93. Trem and Bias
  94. marshall 1987x hiss reduction possible?
  95. Slope resistor and cap changes when changing a CF side to a 12ay7/12au7
  96. I wish to modify the tone stack in my Ashdown Mag 300 head.
  97. Using 12AT7 instead of 12AX7
  98. Subbing 12AU7 for 12AX7
  99. Any thoughts on how to "soften" attack on a Fender Bassman ?
  100. Fender Blues Junior excessive treble
  101. Looking for less low-cut in Randall RVC (like RD5C)
  102. Marshall JCM 900 mod
  103. Modding reverb
  104. Marshall Split channel again (some interesting information)
  105. Changing rectifier in a Ceriatone 5f6A Bassman
  106. guitar amp ->PA =cabulator
  107. Optocoupler in Fender tremolo
  108. Bugera 1960 infinium Schematic
  109. Epiphone Valve Junior OT upgrade -- help please???
  110. Hall Amplification VVR3 in Selmer Treble & Bass 50 Mk3
  111. modifying the Fender Greta line out
  112. Wanna help with basic mods...
  113. B+ voltage drop via Zener/MOSFET question
  114. Minimum output impedance for Marshall Lead 12.
  115. Hammond drawbars - guitar
  116. Peavey Bravo modifications
  117. Hot Rod Deville upgrade
  118. Twin reverb new speakers
  119. 65 Princeton reverb reissue Power transformer pn# 75165 Where can I get one ??
  120. Converting a PCB Champion 600 to a handwired 5F1
  121. Magnatone M13 - Easy Gain Boost
  122. Marshall DSL 100 - Mod to Switchable (50/100 watts)
  123. Fender Hot Rod Deluxe volume pot replacement
  124. Peavey Classic 50 Blue Mods
  125. 12AU7 failed in Orange AD30
  126. Crate gxt-100 is now a BENGL two more related mods needed
  127. Line-In to Active EQ of Fender Super Twin?
  128. Peavey Bandit 65 mods, anyone have any good mods?
  129. Best SGRs?
  130. Fender Greta Tone Control Mod for Music Playing Purposes
  131. Switchable Cathode Bypass Cap help
  132. Adding another tube to a Crate GXT100
  133. 6V6 bias question
  134. Marshall JCM800 4210 Channel Switcher - modification - advice sought.
  135. My amp needs to be louder, said the novice
  136. Marshall Valvestate - Adding Cooling Fan?
  137. Help with Mesa mark V CH2 mod
  138. JCA22H too bright
  139. Crate Gxt-100 looking for any mods
  140. The beauty of a decade box: ab763 tweaks
  141. non-presence 12ax7 phase inverter
  142. bugera 333xl-212 tone stack mod + more
  143. Silverface to Blackface
  144. Rivera S120 Mods - Please Help!
  145. Orange tiny Terror fx loop mod ?
  146. Help on DIY F2B with mods
  147. Changing Plate resistor question.
  148. Compilation of BF Reverb Fender Mods
  149. Guild Thunderbass 50Watt power supply issues
  150. Dual independent bias for a Windsor
  151. Amp Maker SE5 extra gain stage
  152. large PI tail resistor
  153. Bucking Transformer Built In to Chassis
  154. Univox U45b Tremolo
  155. Jcm 2210 mod help
  156. VHT Special 6 Ultra Mods
  157. Mod/Tweak VHT Special 6 Combo
  158. CRATE VC-3112 4xEL84 to 2xEL84 mod?
  159. "Fender" remote reverb control Badabing ka-pow!
  160. A couple questions about Peavey Butcher mods (should also apply to VTM)
  161. 5F1 Champ Mods - component ratings?
  162. 68 Princeton Reverb Bias Mod Question
  163. Moving clean ch. Tonestack on a 2210. Good idea?
  164. Can I add a Piezo tweeter to Peavey KB100?
  165. L-pad question
  166. Blackstar HT-1 - Add reverb?
  167. Useful Matchless Cluman mods?
  168. Line 100v amp conversion ?
  169. Add choke to blues junior (mexico)
  170. Music Man RD50 112 6l6 to 6v6
  171. LOW Gain !
  172. Looking for Bright options...
  173. DSL 401 mods
  174. prosonic combo weak reverb
  175. Marshall AVT50 cd input too loud
  176. Princeton 112 Plus - Shutdown MOD
  177. Fender Bassman output waveform oscillations
  178. PPIMV in SF Twin 135
  179. Uberschall channel balance
  180. Modifying Princeton 112 plus - Make Dirty Channel Versatile Clean Channel
  181. Fender princeton 112 solid state too loud!!
  182. Converting AA371 Basssman to best sounding circuit for guitar- which one ?
  183. Bugera v22 mod questions from a beginner
  184. Mustang III
  185. Connect a combo amp to a 4x12 cab.. Can it be done?
  186. need to add an Fx loop to valve amp ?
  187. Mesa boogie Nomad 100 new speaker reqd
  188. Marshall 1987X. customer says too loud
  189. Help me please
  190. Anyone know where to get the Fender silverface push/pull master volume pots?
  191. What Have I Done??? Orange Rocker 30 OT Swap
  192. Adding Midrange control to this tone circuit
  193. Effects loop wont work ?????
  194. I know, Valvestate 150 mod to make clean channel worth using?
  195. FX Loop problems
  196. Univox U200B
  197. El 84 fixed bias amp & Paul Ruby zener mod.
  198. Fender Blues jnr Too much treble
  199. Switching jack needed?
  200. Marshall JCM 800 2204 FX loop advice
  201. Question about gain staging
  202. tube saving power up tweaks?
  203. Mark Moyer mods to "Custom" Vibrolux Reverb
  204. Adding a choke to Ampeg V-4 power supply?
  205. Using Kalamazoo Model One as a preamp.
  206. Older Traynor YCV40 Master Mod.....again
  207. triode/pentode high/low power switch
  208. Peavey Classic 30 Cathode Bias / Half wattage mod
  209. BF Fender VibroVerb and Deluxe Reverb double note intermod at 15 Fret
  210. Lowering the Voltage on Traynor YBA-1
  211. 1996 Marshall 1959SLP Reissue
  212. Volume pots with power switches
  213. Factory bulletins on the Fender Princeton 112+? Nope but here are some mods I did
  214. Mods for Fender Champion 30
  215. EL84 NFB
  216. HRD Fromel Mod
  217. Dana Hall's VVR Install: Marshall 50 watt Plexi 1987x
  218. 1968 Bandmaster TFL5005 amp cabinet swap
  219. 5e3 Internal jumpering on an on/off switch
  220. Fender Hot Rod Deville 410
  221. Tone control lift for an 18 watter
  222. adding tweeter to 2x10 bass cabinet
  223. boosting highs/ adding presence control?
  224. fender bright swith help
  225. 5F2-A Build - Help with -NFB and Pull Switch
  226. Marshall 18 watt TMB mods?
  227. Super Champ XD harsh treble--any popular mods?
  228. Vox Lil Night Train Fizzy Overdrive
  229. Fender Dual Showman Tremolo clicking and speed issues
  230. Too Much Compression - Heavy Squish - Parallel 12ay7 Tweed Style
  231. Replacing & interchanging reverb tanks
  232. Mod Troubles !
  233. External bias jack
  234. variable slope mod
  235. Mod fender vibrato circuit???
  236. cathode R value
  237. Cause of distortion pedal fizz on certain amps?
  238. Can two single ended OT's be wired for push pull use?
  239. BITMO mod for Valve Jr
  240. the bright cap (blues jr or any other amp w/one)
  241. Bassman 100 Filter cap help
  242. Fender blues jr - convert to cathode bias?
  243. Fender Champion 600 mod help...
  244. Tweed Deluxe Mods -- HELP!!!
  245. Remote controolled reverb on a Bassman????
  246. CLASSICTONE-50w-OT-Transformer for Marshall?
  247. I thought of using a 12AY7 in my SF Champ homebrew instead of a 12AX7
  248. Cascode/Triode Switch?
  249. Peavey Encore 65 Service, and Upgrade or Mods ?
  250. Orange Drop Caps vs. Ceramic Disk?