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  1. BA115 - DC on speaker output
  2. Sears Twin Twelve amp
  3. Krank
  4. SS amp load question
  5. Tweed champ 5f2 pwr tranny swap
  6. Marshall MG50DFX No sound
  7. Help! Champion 600 Power switch issue
  8. Universal Audio sound card and amps for electric guitar recording and practicing.
  9. Marshall VS100R hum problem
  10. Dick Dale: The Blonde Amps Were an Accident
  11. When to bias guitar amps?
  12. Laney TF700 tubefusion - DC on the output
  13. Cloth lead insulation
  14. Bassman 10 OT
  15. 470 ohm screen-grid resistor power rating
  16. help valuing parts from 1971 Fender Twin Reverb.
  17. will this work
  18. Fender Blues Deluxe Reissue troubles
  19. Peavey VTM 120 - No Power to Preamp & Power Tubes - ON/OFF & Standby Cables Fried
  20. Marshall valvestate Channel Switching Problem
  21. Cutting grp sheet
  22. Fender SPL-6000 / Fan operation
  23. The cost of gear, some interesting data
  24. Brass grounding plate
  25. mesa mark III red plating
  26. 16 or 8 ohm Replacement Speaker
  27. Bugera 412TS -- Any Experiences?
  28. Help me ID this old Gibson GA amp (and schematics request)
  29. External Speaker for Marshall DSL15c
  30. External Speaker for Marshall DSL15c
  31. 5E3 inspired amp with additional EF86 channel
  32. Shielded cable
  33. Shielded cable
  34. Classictone 40-18031
  35. Speaker question on Peavey Triumph 60
  36. Peavey VYPYR Tube 60 and Sanpera 2 Problem
  37. New Book coming out Leo Fender: The Quiet Giant Heard Around the World
  38. Lipstick on pigs - dressing up ugly amps
  39. Historical Perspective
  40. Please advice me how to do 5150 combo bias mod
  41. Bulk Shielded Cable
  42. Best eyelet board material
  43. Weird Capacitors! Need help determining replacement value
  44. Auditioning and choosing speakers
  45. Mallory 4 cap can is one roll with 4 diff lengths off foil.how to
  46. VHT Special 12/20 RT Driver circuitry
  47. Can anyone identify this supposed 1960s resistor between the can capacitors
  48. Please help with calculations on Output transformer to get ohms l
  49. JJ 6550 max volts only 600?
  50. Source for LT99 opto? (Vox Pathfinder)
  51. Is there a test to know if I have a el84/6bq5,or6aq5 tubes ?can I interchange them?
  52. Favorite Jazz Amp
  53. Two stroke amp diy build
  54. Peavey Valveking 112 grounding explanation
  55. Marshall JCM2000 (TSL100) - Tubes (almost) on Fire, Bias is Weird now!!!
  56. Marshall part PCBCD0053 needed, Please help!
  57. Hartke HS 1200 Kick Back bass amp NOT WORKING
  58. New here, first silly question about variable resistors.
  59. Power Transformer Question
  60. Need to make adapter for 6EU7 and EF86.
  61. Cathode diode?
  62. Recommend a discrete guitar preamp to install in front of a class-D power amp?
  63. Sovtek MIG 100U Schematic Input Jacks
  64. Blackfacing a Fender Dual Showman reverb
  65. Carvin ST4000
  66. Wilsic sound 50 watt valve amp
  67. Ampeg V4b Rebuild
  68. Peavey Bandit 112 having Weak Signal
  69. Like Duncan's Tone Stack but for Presence, Resonance and Vox Cut controls...?
  70. Marshall AS100 Question
  71. power loss and static
  72. SVT classic transformer color code
  73. Peavey Delta Blues Question
  74. Best Way to Reduce Hum?
  75. Basic Amp Build for teaching electronics
  76. Roland JC120 Power Transformer
  77. Hot Rod Deluxe Bias Ramping up ... all by itself.
  78. Marshall MG10-CD Help Wanted
  79. Pro Jr. Layout?
  80. Looking for a good tech near Oceanside, CA
  81. Power Supply for Pedals
  82. Heads up on great bargain for full-sized SPDT toggle switches!
  83. New amp build transformer suggestions
  84. Marshall DSL 5C changing tubes
  85. Peavey Prosys 112 - Has hum and low signal output - Need Advise
  86. Fender Frontman 212 power amp distortion
  87. SE 6V6 Filtering
  88. JTM cathode biased
  89. Lower Heater Voltage With Lower Center Tap Resistors?
  90. Quick quick question re Series resistor power handling
  91. Question about 7591 tubes
  92. Ampeg G110 Hum / no signal
  93. 22 gauge tinned stranded 600v wire for heaters ?
  94. Musicman RD 112. low voltage resistor desoldered itself
  95. So I have been given free reign to gut a Blues Jr and do whatever I want with it
  96. Tube amp. Direct VS Mic'd. Tube warmth influence. Difference?
  97. Peavey Standard 200H 120hz hum
  98. SVT classic default
  99. Reeves Custom 50 PS (Hiwatt Custom 50 clone) EL34 Tube Bias Adjustment
  100. 70's Ampeg Bass 410 combo
  101. Bugera 333XL gain mod
  102. How do I mod my custom vibrolux reverb to reduce the harsh treble sound ?
  103. 1965 blackface deluxe reverb
  104. 15" in a 2x12 combo
  105. Are these schematics the same?
  106. laney GH 100l
  107. Vox AC30CC2 mutes on low signal (especially AC30CC2X with blue speaker) problem
  108. Bugera 333 212 combo, very low output
  109. JCM 900 Mod questions
  110. toning down a mic - adding cap
  111. Fender Hot Rod Deville switch chatter no bias reading
  112. Marshall JCM 800 2210 Channel Bleed Question
  113. Another mystery amp
  114. Whats needed to run mics into guitar amp ?
  115. What is the wattage rating of this circuit?
  116. Older Randall Warhead..
  117. VHT 12/20 RT Reverb Dwell
  118. I'm trying to figure out a good PT for an Ampeg GU-12 build
  119. Unusual ceramic resistor Fender Pro Reverb
  120. neue AER website
  121. Matchless / TDS transformers
  122. Grid stopper value in Mesa: 3.3M ??
  123. How to test Guitar Amp Without a Guitar?
  124. Mesa Nomad and changing that parallel V1
  125. Randall RG100 Looping pop sound
  126. Trace Elliot 715 2006 BX007 board
  127. So I hear the old JCM800's were kinda hit or miss
  128. Did I remember it wrong or did I just not know what to look for?
  129. Music Man RD-50 Driver Transistor Conundrum
  130. Ampeg SVT7 Pro will not turn on
  131. Marshall AVT150 H
  132. Lowering voltage on preamp plates for fatter sound
  133. Mesa Boogie 50/50 mods - need your input on my calculations
  134. Clip of my Modded JCM 2000
  135. Output Tube Luck
  136. My 2003 palomino v32 rattles - gets am radio - gets hot - sound is mushy
  137. Fender Champ Build
  138. 5V4GA in SF Pro Reverb?
  139. Fender Quad reverb volume surge issue
  140. DSL 50 Cathode follower voltage
  141. Mystery cap question
  142. Original AC30
  143. Marshall jvm215 no red and yellow modes on overdrive channel
  144. Signal path in the lead channel of a valveking
  145. Quad set of matched valves vs 2 pairs of matched valves.
  146. Review these schemo' then tell me the difference.
  147. New Members: Please read this before posting questions about amp repairs
  148. i didnt notice the amp was 110v so i plugged it to 220v is it gone or ?
  149. Marshall TSL122 DIY BIAS Probe Snafu
  150. Kustom Kasino Fever guitar amp head and cab.
  151. Solid state amp with OT?
  152. No output from 1964 Deluxe Reverb - Help!
  153. Ampeg V4 PT
  154. Fender 65 Deluxe Reverb Reissue video demo
  155. Prince O Wails modded Princeton questions
  156. Fender Hot Rod Deluxe distorting on clean channel
  157. How do you know when to stop modding?
  158. Best Home practice Amp
  159. Traynor YBA-1 sounds crappy
  160. EKO SC800 solid state amp crackles
  161. Ampeg Gemini fuse holder
  162. Hartke A70 blow the fuse
  163. Problems with Matamp GT120 clone build
  164. which amp you think is the best of these
  165. Klemt M40 converting from Ultralinear to pentode
  166. 1935 National Dobro Amp - Seeking audio transformer substitute.
  167. Question, please. No heater CT- to elevate or not?
  168. Sano 500R-12 Tubes
  169. problem with Warwick Sweet 15.2
  170. Low Power Electric Guitar Amps
  171. Musicman bias question
  172. wondering what this is ?
  173. New kit build problems
  174. Mesa Boogie Dual Rectifier head BIG Problem!!!
  175. GuyaTone (Tokyo Sound) GA-440s Schematic
  176. Strange noise coming from 1970's Gibson G30 solid state amp
  177. Which one?
  178. Help diagnosing tube amp hum.
  179. 5f1 has low volume and is distorted
  180. Bugera 6260-212 help!
  181. Peavey Triumph 60
  182. Randall rg100 Es ?
  183. Just fired up an early AC15 build and need to add a PPIMV
  184. where do y fellow Canadien friends get tube amp stuff?
  185. Mid not working on Ceriatone OTS 50 - Dumble Clone - Guidance welcome!
  186. Mullard 3-3
  187. Fender Hot Rod problem
  188. Help me find the perfect Tube Guitar Amp
  189. pignose 30/60
  190. Carvin MTS 3200/3212 Combo tube amp
  191. Blackfield Amps - ???
  192. (Just another) Baldwin Organ Conversion Question...
  193. AC hum Fender Cyber twin
  194. marshall jmd1 r48 resistor blowing problem
  195. Resistor in series with speaker
  196. Blackstar HT-5R Mods to overdrive channel
  197. Best tube amps under 1,000$?
  198. Ampeg SB-12 Buzzy distortion/High Freq oscillation
  199. Basic speaker load question
  200. 2009 Fender 65' Twin Reverb reissue problems???
  201. What is this mod in my 1972 Princeton Reverb?
  202. Crate BV-60H Arcing Sound
  203. New EH 6CA7 idle hum issues
  204. question about power rating on a potentiometer
  205. Stupid question #348
  206. Blues Junior Buzzing
  207. intro / AB763 PI design question
  208. Fender filter caps, one more then on schematic?
  209. HELP: Unknown Vintage Canadian Tube Amp
  210. Burman 502 reverb spring
  211. SOUNDMAN All-Tube Amplifier HEAD 100 MK I
  212. Egnater Tweaker
  213. I had a conversation with a tube "expert" last night...
  214. BF Super Reverb aa763 Normal Channel -- how to increase headroom?
  215. Fender Blues Junior, bias voltage now positive, fried power tube and resistor
  216. Bugera v22 soundcheck (video)
  217. Oscillation problem
  218. Hartke B600 full of pops and cracks
  219. Replacement speaker question
  220. Vintage Ampeg V4 Rice Crispies
  221. Valve tester/ matcher really nessecary?
  222. Great Guitar Amp Related Tech Books
  223. Peavey Classic 30 scratching , popping sound
  224. Circuit function questions on 6v6 amp
  225. JTM 30 blowing heater fuse and then.....
  226. Fender Deluxe Reverb Reissue (2002)
  227. Transistor help
  228. Pass through hi/lo input jack question i.e. JCM800, Naylor, etc..
  229. Visual Sound's Worhorse Pony 30W 112 amp
  230. DSL401 JCM2000 - Channel Switch issue.
  231. Behringer GMX 212 reduced volume ?
  232. Sozo (the capacitor company)?
  233. SImple I know..but I don't know.. extension speaker
  234. Music Man Bias Problem
  235. Peavey Vypyer series amps, anyone like these?
  236. Practice Amp Selection
  237. Warning for NOS EL84/6BQ5 (or UOS) in modern amps
  238. questions about schematics
  239. Score!
  240. open ckt idling high tension pt ac detrimental?
  241. "Repurposing" combo amp cabinets into ext speaker cabs.
  242. Can I do it? Traynor Bassmaster YBA-1A with a Weber California 15" 80w 8 ohms?
  243. Peavey Black Widow Speaker Impedance
  244. help needed for fender mustang
  245. Hartke 3500 Bass Amp 8a fuse -- slo or fast blo?
  246. Portable, lighter footswitchable 3 channel tube "head/combo.
  247. Schematic Request - Mesa Boogie Caliber 50+ Footswitch
  248. Transistor Substitutes
  249. Peavey Classic VTX - Bypass Preamp but keep Phaser and reverb?
  250. Fender 65 Twin Reverb Deluxe - Vibrato Input DEAD.... :\