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  1. Conrad Johnson PV5 Preamp Hifi problem
  2. Need help identifying these components
  3. Who Makes This Power Transformer P-tm-p100 40-16922 Made In The Usa
  4. Help a beginner fix a JC-50
  5. Mesa Dual Rec Solo Head hum
  6. SVT 2 Pro Fault Troubleshooting
  7. Mackie 408m half loud
  8. New Rectifier Tubes Pulling massive current.
  9. Can someone tell me what this mess is?
  10. BA115 DC on speaker output
  11. New 5881's in a BF Pro Reverb
  12. Help with Fender Ramparte
  13. Crate BT-25 Noise Gate Issue
  14. Fender Jazzmaster Ultralight - Power amp board
  15. How would you remount this transformer?
  16. Fender Blues Deluxe reverb issue HELP ! I'm going insane here !!
  17. Marshall JVM205H blows HT fuse
  18. Marshall DSL 5C
  19. Source for LDR? For rebuilding trem circuits
  20. VOX AC30C2 volume drop
  21. Peavey PVXp15 crack!
  22. MarkBass LM Tube 800
  23. Replacement Caps
  24. Acoustic 370 troubleshooting help needed
  25. 5F2A Tweed Princeton Assistance
  26. Fender Combo Amp cabinet roof foil. Foiled again!!
  27. soldering those darn Fender RCA reverb cables
  28. Peavey Ultra 60 head producing squealing when it shouldn't
  29. Buying trouble...
  30. Need help choosing reverb tank for amp bought with tank missing (schematic included)
  31. Peavey Classic 20 outputs change
  32. Twin Reverb AB763 PS Question
  33. Gibson GA-25 fuse value
  34. Vox AC30-CC2X Microphonic Chassis--Whadyamean no EL-84 Pwr Tubes?
  35. Come on Marshall, really?
  36. 5F1 Champ- squealing pig.
  37. Loud Hum on Fender Twin Reverb 65 reissue when standby swith is off (play mode)
  38. Is someone using this indicator lamp to communicate from the OTHER SIDE! :surprised:
  39. Loose tube Sockets and retensioning and cleaning versus replacement?
  40. AB763 split cathode conundrum
  41. GK 200rg transformer ?
  42. Peavey MX VTX 112BW - Blowing Power Transistors
  43. Berhringer BX1200 Ultrabass - no output
  44. Peavey XR684F mixer repair issues
  45. Connecting 4 ohms Twin Reverb Reissue 65 Speakers to Red Knob Twin for testing
  46. small gauge shielded cable
  47. Building a simplified Fender Frontman 212R footswitch
  48. Gibson GA19 RVT low output?
  49. bias procedure for deluxe AB763
  50. What does this AB763 reverb mod do?
  51. Need Help with Old MIJ Tube Amp (Univox?)
  52. Amp Jet J12T beating tremolo
  53. Ampeg BA115 blown output section - Thermal problem?
  54. Fender Rumble 500 hisssss
  55. BEDROCK 1400
  56. Amp Techs - What are the useful tools that you've built?
  57. Vox AC30-CC2X Dress Nuts Not unthreading
  58. dynachord PM 1000
  59. Rumble 25 V3
  60. Where can I find Peavey 87478 ICs for a Phasor circuit?
  61. Redplating Fender Super Twin Reverb.
  62. 6505+ blows output fuse on standby. Does not with no power tubes. (
  63. Loose EL84 cathode
  64. I don't hate spring reverbs.....
  65. Vox AD120VT Problem
  66. Fender red knob twin vs Fender twin reverb 65 reissue clean channel with Les Paul
  67. Marshall JCM2000 TSL 100
  68. Vibro Champ hum
  69. Danelectro Cadet 123 needs OT
  70. CROWN XTi4000 AMP WON'T START
  71. Fender 65 Deluxe Reverb.....
  72. JJ capacitors high ESR?
  73. Tube replacement
  74. Ovation VXT pramp
  75. Supro vibroverb tremolo
  76. Reverb Tank Help
  77. Marshall AS80R preamp trouble
  78. Gibson GA-20RVT trem LDR replacement
  79. Help - 5150 Signature Head - Red Plating Every Set of Tubes
  80. Help - BV120H (Crate BlueVoodoo 2nd Gen) - Intermittent Sound
  81. Champ 5C1 vs 5E1
  82. Peavey 300 Bass amp - power section repair
  83. Mesa boogie 5.25 low output
  84. VOX AC 30 VR squiling tone
  85. 1965 Supro
  86. Please help with Sunn SL-260 repair. Exploded cap and blown output transistors.
  87. Cheap Oscilloscope Kit
  88. Aluminum shielding tape
  89. Tube glass breakage
  90. Fender tweed bassman 5F6 no sound
  91. Ampeg Jet mystery component
  92. Issue with High frequency on JBL EON 315
  93. Super Reverb Replacement OT Wiring
  94. Measuring output of a tube amp ?
  95. 1968 Super Reverb Blowing Fuse
  96. Wire to make Peavey reverb cables
  97. SWR SM900 last generation top cover breakaage
  98. Broken Index Pin on Octgal tube bases--best mending adhesive?
  99. Amp noise - am I missing something obvious?
  100. Weird SWR amp problem.
  101. Fender Hot Rod DeVille & Deluxe Drive/More Drive mod
  102. Dented electrolytic
  103. Little Mark III
  104. red knob twin fly wire gauge and voltage rating
  105. Identifying some vintage components
  106. Help identifying old cap/resistor?
  107. 57 RI Fender Tweed Bandmaster Split Cathode??
  108. Twin Reverb 65 Reissue scratchy volume 1 and 2 potentiometers and other issues
  109. Behringer pmp5000 complete power loss
  110. Phonic MAX 860 problems...
  111. Newer Fender amp disassembly...
  112. This sad little amp followed me home.
  113. I'm not telling guys this
  114. Marshall JCM 900 Tubes Red-Plating
  115. Bias too low 5e5a?
  116. Marshall JCM800 4010 Needs Sound Help
  117. Squeaky wheel gets the DeOxit
  118. Will a red knob Twin reverb work without footswitch
  119. marshall mg100dfx output IC replaced problem
  120. Blues Jr PT smoked
  121. Set of mono and stereo input jacks for Fender Red Knob Twin
  122. What model is this Ampeg?
  123. EMB Rack Wah controller
  124. Graphic EQ slider knob thingies for Carvin VTX100
  125. Size does matter....at least with capacitors.
  126. Damage Worries : Crate audio jack
  127. Gibson GA30RVT No Reverb
  128. Kay 720 needs power transformer replacement...?
  129. Acoustic 220 switching jacks
  130. Weak spring reverb on a vintage SS Vox Venue Lead 100
  131. Mongrelized 1975 SVT on the bench, hilarity ensues
  132. Gallien Krueger 800RB Dead from the head end back!
  133. Fender The Twin red knob pot
  134. Loud hum when turning the standby off on my 1990 Fender the twin "red knob" for 20sec
  135. Marshall jcm 900 high gain dual reverb
  136. Ampeg SVT-VR Protection Circuit
  137. Looking for 30k 10 Watts and 2.7K 10 watts power resistor (Ceramic wirewound)
  138. 1977 Fender Twin
  139. random crakling sound on Fender red knob twin
  140. Need help IDing vintage transformers
  141. Marshall DSL 100 JCM 2000 only 2 preamp tubes light up
  142. Ampeg G110 problem
  143. Ampeg SVT 3 Pro mosfet bias
  144. Anyone replace a DSL100 board?
  145. Tube biasing
  146. 67 Fender Princeton Reverb tube/fuse problem
  147. Ibanez TSA5TVR (cute little 5w TV looking amp) with no filament voltage
  148. Marshall JCM800 4010 Recap and board access?
  149. Ampeg B25 hum issue
  150. Peavey 6505 Plus questions
  151. DR- no reverb/ help!
  152. Univox 1236 Bass Amp, any information
  153. Gibson Atlas Medalist Conumdrum
  154. Fender Bulb sockets
  155. Marshall JCM SL-X 2100 schematic version
  156. Fender Stage112 hum
  157. Eden crossover bulb RS410
  158. Mysteries of the Bench: case#2 - The Venerable 774 Rectifier Tube!
  159. Coupling Cap Leakage?
  160. Peavey TNT 115 output reduction
  161. Peavey tour series 700
  162. Relay Chatter
  163. Tweed Pro
  164. SVT II oscillation/distortion
  165. Marshall 9004 Rackmount Preamp Negative Voltage Supply
  166. Ampeg bass amp
  167. Marshall VS65R signal path help?
  168. Excessive heat - SF Twin Reverb...
  169. Matchless Chieftan - WTH
  170. TDA2050
  171. JCM 2000 DSL 50 weird cut in & out & dead issue
  172. Egnater ie4 has an intermittent "blatty" gated sound on Ch3. Help please
  173. loud hum using voodoo labs switching through Randall RH50T
  174. grounding load box w/BNC jack for 'scope?
  175. Marshall 8040 DC on pot? anyone help as Im having a really bad day!
  176. Markbass combo output bias
  177. Vox Pathfinder 15R DC on output
  178. studiomaster club 2000 182 mixer
  179. Kurtzweil P88 matrix problem?
  180. Yorkville/Traynor SS Bass Amp Bias
  181. Fishman Loudbox PRO-LBX-300
  182. ELK Viking 103 solid state head
  183. Is this socket OK to reuse (personal amp)
  184. Another Peavey Phaser question
  185. Fender Montreaux
  186. Blackface Pro Reverb LDR causing loud noise
  187. Disposing of broken speakers?
  188. Ampeg Gemini I GS12 3 prong cord install
  189. Cap job?
  190. Strange burnt sockets in rain soaked amp
  191. Loose speaker magnet! Jenson C12K
  192. Ampeg switch source (or name, or symbol)
  193. Mesa DC-3 LDR switching problem
  194. marshall g50r cd resistor value
  195. Yamaha StagePas 300 nodding out
  196. vox ad30vt cutting out
  197. Anybody in Vancouver want to fix (probably recap) a Fender Princeton Reverb?
  198. CRATE DX112/212 issue.
  199. Fender Vibro King weird warble sound
  200. Premier B-160 Club Bass. EF86 input. want to double check some values on schematic
  201. Mysteries of the Bench: case#1 - Phased and confused
  202. 8-Track Tape Echo with no echo
  203. Blue blob caps in Silverface Fenders?
  204. Fishman Loudbox Headphone Mute Not Working
  205. 2 Marshall JCM800 2410 amps, nearly identical.
  206. Silverface Princeton burnt resistor? What's the value? What else should I check?
  207. Dealing with customes that seem to know everything but in reality know very little
  208. Kustom Profile System Two schematic?
  209. How do you test a footswitch?
  210. Ampeg G-212 Hiss in Channel 2
  211. No sound just loud hum - Create GX-15
  212. Silent Marshall AS50D Acoustic Amp
  213. Vox Pathfinder 15R: +15V rail pulled down
  214. EV 7600 power amp
  215. Yamaha G5 Sounds Fizzy Distorted
  216. Hammond 1750p for jcm 2000 50w
  217. 12ax7 pin # 6 output has no signal .why.please help🤓
  218. Vibroverb gremlins
  219. Traynor Smaill Block 500H
  220. Weird green liquid flux?
  221. 77 Marshall JMP 50 watt lead II issues
  222. Peavey CS400 power board, wrong resistor value?
  223. Balanced. No tip, just ring.
  224. fender bassbreaker 45 schematic
  225. Behringer GX212 encoders
  226. Marshall JCM 2000 DSL 401 power cutting in and out
  227. Black foam turns to goo!
  228. Seeking Advice: Ampeg V-4B PCB Trace Liifting
  229. Ampeg BA600 repair
  230. How to professionally repair lifted traces
  231. 1969 Marshall
  232. Question on reverb tank transducers
  233. Ashdown MAG300 EVO2 problem
  234. Buzzing solid state bass amp
  235. Grounding a Bogen PH10 PA amp
  236. mesa Boogie express 5.25 clean channel treble
  237. SS output protect circuit
  238. Peavey Heritage driver transistor 6465 sub?
  239. Hughes & Kettner Duotone Disassembley
  240. Trouble diagnosing bad power transistor GFX212, please advise
  241. Identifying something on Crate GX15R Circuitboard
  242. Fender Hot Rod Deville 212 - Buzzing with lower frequencies, popping, distortion
  243. All Filter Caps swapped! Still some hum on Clean and Overdrive Channel of Red Knob!!!
  244. 5f6a turnup troubles
  245. 4145 JCM800 Club and Country, 100W 4x10" combo
  246. Mysterious power-amp hum with solid-state guitar amp
  247. Fender 4208 Mixer
  248. JBL/UREI 7110 lacks something?
  249. Fender Bassman 250 muting circuit
  250. Peavey 6505/5150 clamp circuit - whatzit do?