PDA

View Full Version : Maintenance, Troubleshooting & Repair



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 [33] 34 35 36 37 38 39 40 41 42 43

  1. MusicMan 112 RD50 footswitch wiring?
  2. distorted g-k?
  3. Hot Rod Deluxe Problem
  4. Homebrew reverb problem - Send side I think
  5. Gallien Krueger 700rb Protection Mode
  6. Loud squeal (oscillation?) after replacing output transformer
  7. volume loss
  8. How to care of your tube amplifier
  9. Knob on top of power transformer
  10. 74' Marshall JMP 50w broke
  11. 74' Marshall JMP 50w broke
  12. Superstrange reverb on Normal channel problem... (BFSR)
  13. Fender Deluxe Reverb b/f gives no sound
  14. Peavey Classic 50/212 Lead channel volume
  15. peavey bandit 112 cutting out
  16. TL604CP source or substitute\adaptation of another chip?
  17. Silvertone 1472 Guitar Amp - Tremolo repair
  18. Peavey KB100 - overheating power transistor
  19. BA115 blown tweeter
  20. Acoustic 470 PA Issue
  21. Bassman 70 maintainance
  22. Fender Supersonic: Bias going CRAZY (120ma), weird sound
  23. How noisy is a healthy Peavey TNT115BW?
  24. Does playing at 10 harm a decent amp?
  25. switching issue on fender fm 212r
  26. Capacitor Temperature ratings
  27. Fender Frontman 15r Blown Fuse
  28. Fender Hot Rod Deville
  29. Sovtek Mig 100H Output transformer
  30. Behringer v tone problem
  31. hum 74 twin reverb
  32. peavey encore 65
  33. What makes a preamp tube bias go crazy???
  34. 5150 Noise
  35. Rookie Question: Replacing Tube Socket
  36. jcm 2000 bias problem
  37. JJ 6L6 silver top turns white
  38. Getter halo turned dull and brownish: tube still good?
  39. Rojland Jazz Chorus JC-120 Repair??
  40. Fender Bandmaster AB763 Vibrato problem
  41. Need to make 3 more nights of gig!
  42. Fender "The Twin" (red knob) bias question
  43. Blown Bass Amp (help!!)
  44. Ampeg VT22 filter cap question
  45. Musicman rehab
  46. No Sound, Blue Glow... How'd this happen?!?
  47. No Sound, Blue Glow... How'd this happen?!?
  48. Hot Rod DeVille 410 issue
  49. Bass Pot - AA764
  50. Need help on an AA764 Vibro Champ
  51. Swr 400
  52. Fender 125A32A OT?
  53. Marshall TSL 122 biasing
  54. Bugera 333xl-212 big problem
  55. Carvin Mixer Board "Component I have not seen before"
  56. Amp Shocks Me
  57. What Happened?
  58. The Twin PT- again?
  59. Amp hiss/drone
  60. Looking for a Twin Reverb II faceplate
  61. Marshall VS100 Head...DEAD!?
  62. Behringer PMH3000 power supply
  63. fender faint sound
  64. need help with marshall as100d
  65. Marshall 1959 head - OT vs. EL-34's
  66. Recommendations for Test Equipment Wanted
  67. Volume dial not working on Chmpion 30 DSP
  68. Changed tape in RE-301 and now lacks intensity and output.
  69. unwanted distortion and crackle in laney bass amp
  70. Bassman 70 - both channels hum
  71. How do i set my ohms for a 5150/marshall 1960 lead cab
  72. Reverb tank feedback: could this pig stop squealing???
  73. Identifying different PT primaries
  74. 5150 help
  75. Vibro Champ rising DC leakage problem
  76. Early JC-120: chorus works, controls don't - help?
  77. Problem with my PEAVEY 5150 Help!!!
  78. a question about capacitor size?
  79. Electrolytic Recapping - Low ESR?
  80. Tweed Harvard conversion
  81. Fender Pro Reverb 69 - phase inverter problem
  82. Snap Crackle Pop in my 5F2A
  83. Roland BC-30 low output.... any ideas?
  84. Bad bias pot - Hot Rod Deluxe
  85. Triton pro - After touch strip
  86. Source for 6C10 Tubes? For Ampeg Jet
  87. fender ultra chorus reverb don't work
  88. Jazz chorus output trannies dead
  89. Marshall MF350 question.
  90. "The Twin" is HOT!!!
  91. help troubleshooting fender ultimate chorus
  92. Is it "ghosting"?
  93. What EL34's for MusicMan?
  94. crossover help
  95. 1990's Ampeg Reverberocket 1X12 USA REVERB PROBLEM
  96. Stilletto info
  97. repair checklist
  98. :( HELP! distored cleans on low volumes w/TSL 60
  99. Clipping in the lead channel, need answers:(
  100. HD Deluxe 16volt reg solution
  101. crate volume flux's
  102. Hot Rod Deluxe Hum
  103. BBE B-Max input mod?
  104. Can a Tube Socket Be Repaired?
  105. Help with Peavey Hybrid/Ultraliner output
  106. Soldering Technique
  107. DSL JCM2000 - Phase Inverter Hum/Voltages
  108. Shobud Amp SB15 (Solid State) volume fluctuates
  109. MusicMan 65, transistor driver
  110. Marshall 5212 repair
  111. Peavey 5150 combo NEED HELP!
  112. Fender Evil Twin Red Knob help please
  113. Jcm2000 - hum
  114. Peavey Classic 30 using NOS Tubes
  115. Marshall dsl 50 problem!
  116. 7800/100V cap can for Acoustic 370
  117. Treble Control Dead...!!
  118. Marshall JCM800 (2205) 50w problem
  119. Rheem/Califone 1909R - Need Help!
  120. 5F1 Champ DIY: No sound (Tube/Transformer)
  121. Carvin output amp
  122. Marshall AVT150H trouble
  123. Hot Rod Deville Crackling leaving Standby Mode
  124. Fender silverface / blackface bias question
  125. Marshall jcm900 squeal at power off
  126. Interesting discovery on my V18 (they screwed up!)
  127. BUZ901P BUZ906P replacements
  128. how to fix my fender blues junior
  129. Crate TD70 fades out
  130. Deluxe Reverb RI - No current
  131. Costly rookie mistake?
  132. anything that can be done to sweeten up the reverb?
  133. Need advice on installing an 8 pin IC Socket
  134. peavey renown 400 reverb problem
  135. Weird rattle in Crate V-18
  136. Pv xrd680+
  137. blues Jr Problem
  138. blues deluxe is dying!
  139. 5150 evh power transformer
  140. Blues Junior's smoking.....literally
  141. Hot Rod Deluxe Reverb inop, What are these wires for?
  142. Line 6 exp pedal voltage range
  143. The Twin power trans?
  144. peavy 5150 combo
  145. Special 130 resistor value
  146. Blown output tranny?
  147. Cleaning Pinch Roller on a roland Space Echo?
  148. Marshall 6100 problems.
  149. Funny issue with a SF Fender twin...
  150. Kt66 considered for retube
  151. Geeked! Fixed my first tube amp!
  152. New Power Transformer Install Help JTM30
  153. faulty speaker?
  154. Vibrochamp tone stack problem
  155. bassman AA165 volume does not go to 0
  156. Question about biasing Fender 94 Twin...?
  157. Acoustic 125 with low output
  158. Channel switching - Blues Deluxe
  159. help with SS amp repair (Fender Stage 1600)
  160. My Ampeg BA115 won't stop blowing fuses!
  161. tsl 100 screen grid resistors
  162. 1975 Peavey Deuce question.
  163. Speaker Terminal - broken
  164. Tube burn up
  165. 5150II Not playing once warmed up?
  166. Apology to: GTR TECH and JAG.
  167. mesa triple rectifier
  168. Twin Reverb 65 RI - Reverb Hum
  169. fender quad reverb blown, repair help.
  170. HV on speaker
  171. Fender Stage 112SE - DEAD
  172. Troubleshooting for dummies...
  173. Bogner Shiva: Channel 2 Bass help
  174. Marshall Valvestate 8004 - Blowing TDA1514A's
  175. Need some help troubleshooting an Ashdown FA-60
  176. Bias -V pin 5 jtm60
  177. Marshall JCM 900 New Tubes
  178. jcm 200 dsl 100 head blowing H.T. fuse with the effects loop.?
  179. Unsteady Bias on 5F6A
  180. GK1001rb - Help!
  181. Fender Twin Po Tube = 100 watt boat whistle
  182. Bad power tube or oscillation?
  183. Speaker Recone?
  184. Bias Question - Rookie Needs Guidance
  185. 65 Fender Twin Reissue - No Reverb
  186. Seek OT-215 Substitute
  187. Testing caps?
  188. Transformer shunt bias adjustment
  189. 5150 vs. 380V
  190. Gibson Duo-Medalist - too much treble, not enough volume!
  191. JCM 2000 DSL 100w help - audio problems, burning smell
  192. Floor vs. Wall Mounted Reverb Pans???
  193. Roland Studio 6V troubleshooting question
  194. Finding the source (hissing problem)
  195. favorite wire stripper for small guage wire?
  196. Transistor search. 2sk184gr & 2sk363gr
  197. Looking for Dome Knobs with Dot Pointer
  198. Noise from logo light
  199. Firefly - First build problems
  200. Super Reverb RI resonance/microphonics? Weird.
  201. Pv 2000
  202. problem with filament rectified supply
  203. Hum - PT inducing this into the OT?
  204. 70's Ampeg SVT crackling, popping, fan problem
  205. Question about Mesa MkIIB schematic....
  206. When to change tubes on mesa boogies?
  207. loud popping volume.
  208. Microphonics driving me nuts!
  209. JCM800 Burning Tubes - HELP!!!
  210. Pedal problems
  211. Funky axial electrolytics
  212. Need info on Crate PA-B8350
  213. Ampeg VT-22 question
  214. My peavey bandit works rather weird
  215. HR DeVille 112 noise
  216. ? about LM3080N used in a peavey amp
  217. Bogen CHB 35A Always a bit Distorted
  218. 70's Ampeg SVT repair help needed
  219. fender tube
  220. To crimp or NOT crimp
  221. BF Super Twin Reverb - Burnt resistor
  222. JCM 900 dual reverb effects loop problem
  223. TRRI blew up - no power - please help
  224. Ampeg svp1600
  225. Ampeg B-15T
  226. Mesa Mark 3 preamp tube heater voltage
  227. QUESTION: Biasing a '65 Reissue Deluxe Reverb
  228. fender deluxe 90 DSP problem
  229. overcompressed sound in new amp
  230. Kustom Dual 35 DFX Schematics
  231. how does it work?
  232. Mesa MkII bias caps
  233. DR Treble response
  234. blues deville floating relay
  235. ESR Meter
  236. power supply caps
  237. AC15 reissue problems
  238. SF Twin Reverb Distortion - Filter Caps???
  239. Ampeg SVT 400 T Distortion
  240. Peavey Bandit 112 Transtube - Dodgy pots?
  241. plate resistor problem....?
  242. Acoustic 470 Lamp Driver Issue
  243. Problem with DR reverb driver
  244. vox valvetronics self test mode
  245. peavey 5150 / marshll 1987x
  246. Mesa Boogie Mark 3 Gain Loss
  247. speaker wiring question
  248. Danelectro Cadet 122 problems
  249. Ampeg SB12 Hum
  250. randall bass amp distorts