View Full Version : Mods & Tweeks

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  1. Hall Amplification VVR3 in Selmer Treble & Bass 50 Mk3
  2. modifying the Fender Greta line out
  3. Wanna help with basic mods...
  4. B+ voltage drop via Zener/MOSFET question
  5. Minimum output impedance for Marshall Lead 12.
  6. Hammond drawbars - guitar
  7. Peavey Bravo modifications
  8. Hot Rod Deville upgrade
  9. Twin reverb new speakers
  10. 65 Princeton reverb reissue Power transformer pn# 75165 Where can I get one ??
  11. Converting a PCB Champion 600 to a handwired 5F1
  12. Magnatone M13 - Easy Gain Boost
  13. Marshall DSL 100 - Mod to Switchable (50/100 watts)
  14. Fender Hot Rod Deluxe volume pot replacement
  15. Peavey Classic 50 Blue Mods
  16. 12AU7 failed in Orange AD30
  17. Crate gxt-100 is now a BENGL two more related mods needed
  18. Line-In to Active EQ of Fender Super Twin?
  19. Peavey Bandit 65 mods, anyone have any good mods?
  20. Best SGRs?
  21. Fender Greta Tone Control Mod for Music Playing Purposes
  22. Switchable Cathode Bypass Cap help
  23. Adding another tube to a Crate GXT100
  24. 6V6 bias question
  25. Marshall JCM800 4210 Channel Switcher - modification - advice sought.
  26. My amp needs to be louder, said the novice
  27. Marshall Valvestate - Adding Cooling Fan?
  28. Help with Mesa mark V CH2 mod
  29. JCA22H too bright
  30. Crate Gxt-100 looking for any mods
  31. The beauty of a decade box: ab763 tweaks
  32. non-presence 12ax7 phase inverter
  33. bugera 333xl-212 tone stack mod + more
  34. Silverface to Blackface
  35. Rivera S120 Mods - Please Help!
  36. Orange tiny Terror fx loop mod ?
  37. Help on DIY F2B with mods
  38. Changing Plate resistor question.
  39. Compilation of BF Reverb Fender Mods
  40. Guild Thunderbass 50Watt power supply issues
  41. Dual independent bias for a Windsor
  42. Amp Maker SE5 extra gain stage
  43. large PI tail resistor
  44. Bucking Transformer Built In to Chassis
  45. Univox U45b Tremolo
  46. Jcm 2210 mod help
  47. VHT Special 6 Ultra Mods
  48. Mod/Tweak VHT Special 6 Combo
  49. CRATE VC-3112 4xEL84 to 2xEL84 mod?
  50. "Fender" remote reverb control Badabing ka-pow!
  51. A couple questions about Peavey Butcher mods (should also apply to VTM)
  52. 5F1 Champ Mods - component ratings?
  53. 68 Princeton Reverb Bias Mod Question
  54. Moving clean ch. Tonestack on a 2210. Good idea?
  55. Can I add a Piezo tweeter to Peavey KB100?
  56. L-pad question
  57. Blackstar HT-1 - Add reverb?
  58. Useful Matchless Cluman mods?
  59. Line 100v amp conversion ?
  60. Add choke to blues junior (mexico)
  61. Music Man RD50 112 6l6 to 6v6
  62. LOW Gain !
  63. Looking for Bright options...
  64. DSL 401 mods
  65. prosonic combo weak reverb
  66. Marshall AVT50 cd input too loud
  67. Princeton 112 Plus - Shutdown MOD
  68. Fender Bassman output waveform oscillations
  69. PPIMV in SF Twin 135
  70. Uberschall channel balance
  71. Modifying Princeton 112 plus - Make Dirty Channel Versatile Clean Channel
  72. Fender princeton 112 solid state too loud!!
  73. Converting AA371 Basssman to best sounding circuit for guitar- which one ?
  74. Bugera v22 mod questions from a beginner
  75. Mustang III
  76. Connect a combo amp to a 4x12 cab.. Can it be done?
  77. need to add an Fx loop to valve amp ?
  78. Mesa boogie Nomad 100 new speaker reqd
  79. Marshall 1987X. customer says too loud
  80. Help me please
  81. Anyone know where to get the Fender silverface push/pull master volume pots?
  82. What Have I Done??? Orange Rocker 30 OT Swap
  83. Adding Midrange control to this tone circuit
  84. Effects loop wont work ?????
  85. I know, Valvestate 150 mod to make clean channel worth using?
  86. FX Loop problems
  87. Univox U200B
  88. El 84 fixed bias amp & Paul Ruby zener mod.
  89. Fender Blues jnr Too much treble
  90. Switching jack needed?
  91. Marshall JCM 800 2204 FX loop advice
  92. Question about gain staging
  93. tube saving power up tweaks?
  94. Mark Moyer mods to "Custom" Vibrolux Reverb
  95. Adding a choke to Ampeg V-4 power supply?
  96. Using Kalamazoo Model One as a preamp.
  97. Older Traynor YCV40 Master Mod.....again
  98. triode/pentode high/low power switch
  99. Peavey Classic 30 Cathode Bias / Half wattage mod
  100. BF Fender VibroVerb and Deluxe Reverb double note intermod at 15 Fret
  101. Lowering the Voltage on Traynor YBA-1
  102. 1996 Marshall 1959SLP Reissue
  103. Volume pots with power switches
  104. Factory bulletins on the Fender Princeton 112+? Nope but here are some mods I did
  105. Mods for Fender Champion 30
  106. EL84 NFB
  107. HRD Fromel Mod
  108. Dana Hall's VVR Install: Marshall 50 watt Plexi 1987x
  109. 1968 Bandmaster TFL5005 amp cabinet swap
  110. 5e3 Internal jumpering on an on/off switch
  111. Fender Hot Rod Deville 410
  112. Tone control lift for an 18 watter
  113. adding tweeter to 2x10 bass cabinet
  114. boosting highs/ adding presence control?
  115. fender bright swith help
  116. 5F2-A Build - Help with -NFB and Pull Switch
  117. Marshall 18 watt TMB mods?
  118. Super Champ XD harsh treble--any popular mods?
  119. Vox Lil Night Train Fizzy Overdrive
  120. Fender Dual Showman Tremolo clicking and speed issues
  121. Too Much Compression - Heavy Squish - Parallel 12ay7 Tweed Style
  122. Replacing & interchanging reverb tanks
  123. Mod Troubles !
  124. External bias jack
  125. variable slope mod
  126. Mod fender vibrato circuit???
  127. cathode R value
  128. Cause of distortion pedal fizz on certain amps?
  129. Can two single ended OT's be wired for push pull use?
  130. BITMO mod for Valve Jr
  131. the bright cap (blues jr or any other amp w/one)
  132. Bassman 100 Filter cap help
  133. Fender blues jr - convert to cathode bias?
  134. Fender Champion 600 mod help...
  135. Tweed Deluxe Mods -- HELP!!!
  136. Remote controolled reverb on a Bassman????
  137. CLASSICTONE-50w-OT-Transformer for Marshall?
  138. I thought of using a 12AY7 in my SF Champ homebrew instead of a 12AX7
  139. Cascode/Triode Switch?
  140. Peavey Encore 65 Service, and Upgrade or Mods ?
  141. Orange Drop Caps vs. Ceramic Disk?
  142. Power Tube change questions
  143. Question in regards to treble bleed resistor
  144. Matchless spitfire clone?
  145. Peavey Delta Blues to Hi Gainer
  146. Robert M. Martinelli Vox Pathfinder mods
  147. Laney LC15R - too much heat - should I install a fan ?
  148. Ok to run only 2 KT88s in Fender Twin
  149. Fender Pro Reverb: KT88 mod?
  150. VC508_Line_Out_Without_Speaker_Kill
  151. The carlsbro 100 pa/r amplifier
  152. Sovtek Mig 50 distortion and gain increase mods
  153. OT impedance switch question
  154. Drilling holes for mods in chassis
  155. Building "the perfect Champ"
  156. Add tube rectifier?
  157. Crate GT1200H - Mod rhythm channel for more laid-back distortion
  158. phase inverter question
  159. Split Cathode Bias: Safe to run one tube?
  160. Power Transformer forVox Pathfinder 15R
  161. Filtercaps
  162. Marshall 800 mod question
  163. Modding Randall MTS Plexi module
  164. bright cap adjustment?
  165. Peavey Vypyr 15 Noise Gate
  166. JFET Switching and Isolation, question
  167. Tremolo mod on 1960s Ampeg Rocket 2 amp
  168. Adding MIDI CC Support to the Diezel Herbert, VH4, and Hagen
  169. JCM800 4211 mods?
  170. Bias Mod For Peavey Mace VT
  171. Dummy Load
  172. Input-level on Fender Frontman 212R
  173. 6973EH tubes for little Valco amps
  174. 15" speaker?
  175. AC30CC2 Reverb mod question....
  176. Soft start for tubes
  177. Silvertone after a few minor mods
  178. advice on a simple mod, just for the experience.
  179. laney VC30 drive channel mod
  180. "adaptor boxes"
  181. Fender 140 mods/tweeks?
  182. Adding a headphone Jack Socket
  183. One-wire mod SF Bassman 100
  184. Peavey Classic 30 Tweed Bassman Mod Help
  185. shared V1 cathode?
  186. Transformer Buzz in Bright Switch Circuit
  187. Home brew tilt back legs
  188. Taming low end response - cathode bypass caps?
  189. Crate V16 reverb upgrade?
  190. AMPEX 620 Mod?
  191. Traynor YCV40 master volume mods
  192. bugera 33xl-212
  193. Want to use preamp section ONLY on 100w tube amp
  194. 230v Transformer for Blues Pearl Texas Tornado
  195. Silvertone 1484 bring your tone alive and improved reverb mods
  196. c30 tweed bassman mod. leak in normal channel
  197. Ac 30 modification question
  198. A little cathode bypass
  199. Mesa Boogie F-50 adjustable bias mod
  200. Preamp circuit mod for replacing a 12AX7 with a 12AU7 gain stage
  201. Ac 30 cathode resistor
  202. Output transformer swap?
  203. Jumpering channels on a top boost AC30
  204. Higher Coupling Caps; Vox Bass boost? Or Vox tone hell?
  205. Splawn Quickrod Mods
  206. bass,mid range, treble mod for Kustom KGA10 (with existing speaker mod)
  207. Screen Taps
  208. Any ideas how to put a master volume on an EL34 power amp section??
  209. Tweaking new 5e3 build
  210. Modify tremolo on AC4?
  211. Paul Ruby mod in Vox Night Train
  212. Removing gain channel preamp tube(s) Palomino V50 for better clean channel tone?
  213. Epi Valve Junior / GA5 tone stack - where do I put it
  214. Fender Champ 12 mod
  215. DSL grid mod
  216. Laney GH100L & 6550 tubes, also some other stuff...
  217. Need to add gain to a Laney GH100L
  218. Hook up wire
  219. Anyone play with Bogner circuits?
  220. Orange Dual Terror OT Swap
  221. High pass filter on reverb recovery
  222. Soldering PCB - JCA50H
  223. My Ab763 Has Gas
  224. Bassman transformer for Bandmaster - which is better?
  225. Polystyrene Caps vs Silver Mica?
  226. Iincrease signal to output tubes in Fender Super Champ XD?
  227. Tweed 5e3 Deluxe circuit with reverb and vibrato: possible??? Tremolux Reverb?
  228. Using reverb amp from 62 GE console RC1430A
  229. Marshall DSL100 2 230V to 120V
  230. Can I use an Orange Drop (non-polarized) in place of an electrolytic polarized cap?
  231. Are push button power switches crap?
  232. Tweed Princeton Input Impedance Mod (keyboard use)
  233. Bandmaster mods...
  234. easy swap Bandmaster PT into Showman?
  235. 6L6GC tube took out 10k balance pot
  236. More bottom, please. Kalamazoo Model One.
  237. Turning a hybrid amp into a tube amp? Is it possible?
  238. Modding a Bassman Ten and need suggestions
  239. building a 'loop in',' loop out' (effect loop) channels in a combo amp
  240. New OT for Bugera 333XL? Worth it?
  241. STF Electronics 5F1 Clone
  242. Problem with this fizzy sound
  243. Guitar into VU meter?
  244. modding a hybrid amp for a cleaner sound
  245. Replace Reverb With More Gain?
  246. Missing Tube In Gibson Skylark GA-5
  247. Tone controls don't do enough
  248. need Jet City JCA100H schematic
  249. Adding a mid control to a old Fender amp without drilling any additional holes.
  250. Bogner XTC Red channel mod question