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  1. Question about matching tubes
  2. Randall RH150 low output
  3. Soviet Tube Survey 1950
  4. Hot Rod DeVille- gain switching problem- no yellow mode only red
  5. gonna to build clone of SWR750 poweramp, have some questions
  6. Just ordered a Fender Champ 12!
  7. Supersonic 60 Hiss and Popping -- Got TSB?
  8. Cab and Speaker ID Help Please
  9. Last silly question
  10. Head outside of cabinet
  11. Heater wiring
  12. Heater wiring question
  13. Does anyone else do this?
  14. Crate Blue Voodoo 2612 hum
  15. Potentiometer wattage
  16. Phil at bluebell audio
  17. How it works
  18. Marshall DSL-5 and effects loop
  19. Bogen challenger CHB 10 amp help.
  20. Joining turret lugs
  21. Speakers in Fender Twins
  22. New Amp Day
  23. Dropping resistors in b+ power stage
  24. SWR California Blonde Speaker Replacmemt and Trouble Shooting
  25. How to check a relay on a Fender Amp
  26. Under board connections
  27. VHT Pittbull 50
  28. Speaker and OT question
  29. 9 pin socket base with metal centre
  30. Kapton shielded cable
  31. Isolation t washers and flat washers
  32. Fender Frontman 15B
  33. Need a recommendation for having chassis made
  34. Is it possible to damage the input amp....
  35. Using EL86 with EL84 OT
  36. Vicky Tweed BM -- Better than the Real Thing?
  37. EF86 noise- suppressor grid and internal shield
  38. Torres Double Dee-Lux Amp new purchase
  39. BA115 - DC on speaker output
  40. Sears Twin Twelve amp
  41. Krank
  42. SS amp load question
  43. Tweed champ 5f2 pwr tranny swap
  44. Marshall MG50DFX No sound
  45. Help! Champion 600 Power switch issue
  46. Universal Audio sound card and amps for electric guitar recording and practicing.
  47. Marshall VS100R hum problem
  48. Dick Dale: The Blonde Amps Were an Accident
  49. When to bias guitar amps?
  50. Laney TF700 tubefusion - DC on the output
  51. Cloth lead insulation
  52. Bassman 10 OT
  53. 470 ohm screen-grid resistor power rating
  54. help valuing parts from 1971 Fender Twin Reverb.
  55. will this work
  56. Fender Blues Deluxe Reissue troubles
  57. Peavey VTM 120 - No Power to Preamp & Power Tubes - ON/OFF & Standby Cables Fried
  58. Marshall valvestate Channel Switching Problem
  59. Cutting grp sheet
  60. Fender SPL-6000 / Fan operation
  61. The cost of gear, some interesting data
  62. Brass grounding plate
  63. mesa mark III red plating
  64. 16 or 8 ohm Replacement Speaker
  65. Bugera 412TS -- Any Experiences?
  66. Help me ID this old Gibson GA amp (and schematics request)
  67. External Speaker for Marshall DSL15c
  68. External Speaker for Marshall DSL15c
  69. 5E3 inspired amp with additional EF86 channel
  70. Shielded cable
  71. Shielded cable
  72. Classictone 40-18031
  73. Speaker question on Peavey Triumph 60
  74. Peavey VYPYR Tube 60 and Sanpera 2 Problem
  75. New Book coming out Leo Fender: The Quiet Giant Heard Around the World
  76. Lipstick on pigs - dressing up ugly amps
  77. Historical Perspective
  78. Please advice me how to do 5150 combo bias mod
  79. Bulk Shielded Cable
  80. Best eyelet board material
  81. Weird Capacitors! Need help determining replacement value
  82. Auditioning and choosing speakers
  83. Mallory 4 cap can is one roll with 4 diff lengths off foil.how to
  84. VHT Special 12/20 RT Driver circuitry
  85. Can anyone identify this supposed 1960s resistor between the can capacitors
  86. Please help with calculations on Output transformer to get ohms l
  87. JJ 6550 max volts only 600?
  88. Source for LT99 opto? (Vox Pathfinder)
  89. Is there a test to know if I have a el84/6bq5,or6aq5 tubes ?can I interchange them?
  90. Favorite Jazz Amp
  91. Two stroke amp diy build
  92. Peavey Valveking 112 grounding explanation
  93. Marshall JCM2000 (TSL100) - Tubes (almost) on Fire, Bias is Weird now!!!
  94. Marshall part PCBCD0053 needed, Please help!
  95. Hartke HS 1200 Kick Back bass amp NOT WORKING
  96. New here, first silly question about variable resistors.
  97. Power Transformer Question
  98. Need to make adapter for 6EU7 and EF86.
  99. Cathode diode?
  100. Recommend a discrete guitar preamp to install in front of a class-D power amp?
  101. Sovtek MIG 100U Schematic Input Jacks
  102. Blackfacing a Fender Dual Showman reverb
  103. Carvin ST4000
  104. Wilsic sound 50 watt valve amp
  105. Ampeg V4b Rebuild
  106. Peavey Bandit 112 having Weak Signal
  107. Like Duncan's Tone Stack but for Presence, Resonance and Vox Cut controls...?
  108. Marshall AS100 Question
  109. power loss and static
  110. SVT classic transformer color code
  111. Peavey Delta Blues Question
  112. Best Way to Reduce Hum?
  113. Basic Amp Build for teaching electronics
  114. Roland JC120 Power Transformer
  115. Hot Rod Deluxe Bias Ramping up ... all by itself.
  116. Marshall MG10-CD Help Wanted
  117. Pro Jr. Layout?
  118. Looking for a good tech near Oceanside, CA
  119. Power Supply for Pedals
  120. Heads up on great bargain for full-sized SPDT toggle switches!
  121. New amp build transformer suggestions
  122. Marshall DSL 5C changing tubes
  123. Peavey Prosys 112 - Has hum and low signal output - Need Advise
  124. Fender Frontman 212 power amp distortion
  125. SE 6V6 Filtering
  126. JTM cathode biased
  127. Lower Heater Voltage With Lower Center Tap Resistors?
  128. Quick quick question re Series resistor power handling
  129. Question about 7591 tubes
  130. Ampeg G110 Hum / no signal
  131. 22 gauge tinned stranded 600v wire for heaters ?
  132. Musicman RD 112. low voltage resistor desoldered itself
  133. So I have been given free reign to gut a Blues Jr and do whatever I want with it
  134. Tube amp. Direct VS Mic'd. Tube warmth influence. Difference?
  135. Peavey Standard 200H 120hz hum
  136. SVT classic default
  137. Reeves Custom 50 PS (Hiwatt Custom 50 clone) EL34 Tube Bias Adjustment
  138. 70's Ampeg Bass 410 combo
  139. Bugera 333XL gain mod
  140. How do I mod my custom vibrolux reverb to reduce the harsh treble sound ?
  141. 1965 blackface deluxe reverb
  142. 15" in a 2x12 combo
  143. Are these schematics the same?
  144. laney GH 100l
  145. Vox AC30CC2 mutes on low signal (especially AC30CC2X with blue speaker) problem
  146. Bugera 333 212 combo, very low output
  147. JCM 900 Mod questions
  148. toning down a mic - adding cap
  149. Fender Hot Rod Deville switch chatter no bias reading
  150. Marshall JCM 800 2210 Channel Bleed Question
  151. Another mystery amp
  152. Whats needed to run mics into guitar amp ?
  153. What is the wattage rating of this circuit?
  154. Older Randall Warhead..
  155. VHT 12/20 RT Reverb Dwell
  156. I'm trying to figure out a good PT for an Ampeg GU-12 build
  157. Unusual ceramic resistor Fender Pro Reverb
  158. neue AER website
  159. Matchless / TDS transformers
  160. Grid stopper value in Mesa: 3.3M ??
  161. How to test Guitar Amp Without a Guitar?
  162. Mesa Nomad and changing that parallel V1
  163. Randall RG100 Looping pop sound
  164. Trace Elliot 715 2006 BX007 board
  165. So I hear the old JCM800's were kinda hit or miss
  166. Did I remember it wrong or did I just not know what to look for?
  167. Music Man RD-50 Driver Transistor Conundrum
  168. Ampeg SVT7 Pro will not turn on
  169. Marshall AVT150 H
  170. Lowering voltage on preamp plates for fatter sound
  171. Mesa Boogie 50/50 mods - need your input on my calculations
  172. Clip of my Modded JCM 2000
  173. Output Tube Luck
  174. My 2003 palomino v32 rattles - gets am radio - gets hot - sound is mushy
  175. Fender Champ Build
  176. 5V4GA in SF Pro Reverb?
  177. Fender Quad reverb volume surge issue
  178. DSL 50 Cathode follower voltage
  179. Mystery cap question
  180. Original AC30
  181. Marshall jvm215 no red and yellow modes on overdrive channel
  182. Signal path in the lead channel of a valveking
  183. Quad set of matched valves vs 2 pairs of matched valves.
  184. Review these schemo' then tell me the difference.
  185. New Members: Please read this before posting questions about amp repairs
  186. i didnt notice the amp was 110v so i plugged it to 220v is it gone or ?
  187. Marshall TSL122 DIY BIAS Probe Snafu
  188. Kustom Kasino Fever guitar amp head and cab.
  189. Solid state amp with OT?
  190. No output from 1964 Deluxe Reverb - Help!
  191. Ampeg V4 PT
  192. Fender 65 Deluxe Reverb Reissue video demo
  193. Prince O Wails modded Princeton questions
  194. Fender Hot Rod Deluxe distorting on clean channel
  195. How do you know when to stop modding?
  196. Best Home practice Amp
  197. Traynor YBA-1 sounds crappy
  198. EKO SC800 solid state amp crackles
  199. Ampeg Gemini fuse holder
  200. Hartke A70 blow the fuse
  201. Problems with Matamp GT120 clone build
  202. which amp you think is the best of these
  203. Klemt M40 converting from Ultralinear to pentode
  204. 1935 National Dobro Amp - Seeking audio transformer substitute.
  205. Question, please. No heater CT- to elevate or not?
  206. Sano 500R-12 Tubes
  207. problem with Warwick Sweet 15.2
  208. Low Power Electric Guitar Amps
  209. Musicman bias question
  210. wondering what this is ?
  211. New kit build problems
  212. Mesa Boogie Dual Rectifier head BIG Problem!!!
  213. GuyaTone (Tokyo Sound) GA-440s Schematic
  214. Strange noise coming from 1970's Gibson G30 solid state amp
  215. Which one?
  216. Help diagnosing tube amp hum.
  217. 5f1 has low volume and is distorted
  218. Bugera 6260-212 help!
  219. Peavey Triumph 60
  220. Randall rg100 Es ?
  221. Just fired up an early AC15 build and need to add a PPIMV
  222. where do y fellow Canadien friends get tube amp stuff?
  223. Mid not working on Ceriatone OTS 50 - Dumble Clone - Guidance welcome!
  224. Mullard 3-3
  225. Fender Hot Rod problem
  226. Help me find the perfect Tube Guitar Amp
  227. pignose 30/60
  228. Carvin MTS 3200/3212 Combo tube amp
  229. Blackfield Amps - ???
  230. (Just another) Baldwin Organ Conversion Question...
  231. AC hum Fender Cyber twin
  232. marshall jmd1 r48 resistor blowing problem
  233. Resistor in series with speaker
  234. Blackstar HT-5R Mods to overdrive channel
  235. Best tube amps under 1,000$?
  236. Ampeg SB-12 Buzzy distortion/High Freq oscillation
  237. Basic speaker load question
  238. 2009 Fender 65' Twin Reverb reissue problems???
  239. What is this mod in my 1972 Princeton Reverb?
  240. Crate BV-60H Arcing Sound
  241. New EH 6CA7 idle hum issues
  242. question about power rating on a potentiometer
  243. Stupid question #348
  244. Blues Junior Buzzing
  245. intro / AB763 PI design question
  246. Fender filter caps, one more then on schematic?
  247. HELP: Unknown Vintage Canadian Tube Amp
  248. Burman 502 reverb spring
  249. SOUNDMAN All-Tube Amplifier HEAD 100 MK I
  250. Egnater Tweaker