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  1. Bad Cat Leash Attenuator
  2. Baring michrophonics & in refence to orignal mullard 12ax7's
  3. are these winged C's?
  4. Traynor YBA-1 Bassmaster - what're some cool mods?
  5. Just picked up a 70's Bassman w/master vol
  6. Choosing an Output transformer for upgrade?
  7. 5881 vs el34 reliability
  8. Komet fast gradual fix
  9. Allen Raw Control Mod ?
  10. Help Troubleshooting: Marshall 1959SLP
  11. bass control on princeton question
  12. Power Tube Compression
  13. single ended amp mods
  14. 1967 Bassman 50 help
  15. 6L6's in and el34 amp?
  16. Need Tube ID Help Please
  17. Deluxe Reverb Reissue Tube question...replacement?
  18. Need help debugging strange noise/performance
  19. I just got hold a some more NOS tubes. Are the 12AV7's keepers?
  20. tube layout for princeton reverb ?
  21. What is my amp doing?
  22. did my power transformer go ??
  23. Cleaned Tube Pins and Sockets
  24. Loose tube sockets...
  25. Fender deluxe reverb RI problem
  26. How can I best clean tolex and grill cloth?
  27. 18 watt marshall clone issue
  28. Fusing B+
  29. Tubes: 12ax7 preamp, looking for a very warm sound
  30. Recommend a Digital Meter for Bias
  31. How much gain from a Marshall plexi preamp?
  32. Weak Tremolo SF Vibrolux Reverb
  33. What Are The Tube Manufacturer Codes?
  34. What controls the voltage here... (pic inside)
  35. Another odd Voltage reading...
  36. Advice on how to get rid of fizz
  37. Looking for Bassman schematic/chasis layout
  38. Where can I get a 240 volt Soldano power transformer?
  39. Power tube matching
  40. Too much power filtering....
  41. static coming from my deluxe reverb amp
  42. Marshall Footswitch Problems
  43. Advice needed: '63 Vibroverb reissue
  44. Fender Twin Reverb extension speaker question
  45. Can you drive a reverb circuit with 1/2 a tube?
  46. Marshall 1987x woes.. STILL!
  47. Reducing trainwreck clone gain?
  48. New Tubes for a Mesa Mark III... opinions?
  49. Yikes! Can this be good for you?
  50. Fender Feedback Resistor Question.
  51. When is it OK to sub power tube types?
  52. Vishay Dale RN65 resistor max voltage @ 350v? Any Danger to use in plate loads?
  53. lower wattage, simplified Super Reverb: DR's power section?
  54. 6v6 touching speaker magnet?
  55. How do I raise the overal B+ voltage in a Fender?
  56. Can a "high" gain TR Emerald pro be modded to a "low" gain model?
  57. Tube ID Clarification
  58. Anyone here heard of "too much B+ voltage to use a SS rectifier"?
  59. power scaling for Laney vc15?
  60. Ampeg Gemini II Bias Question
  61. champ style build problem
  62. Plexi bright cap
  63. Moving a handle on a speaker cabinet?
  64. Tube Question
  65. What is the best filter cap for a recap on a Hiwatt DR103 ?
  66. DRRI Retrofit
  67. Never Trust a Cheap Multimeter
  68. rectifer question , after installing allen transformer
  69. Caps need replacing? (photo)
  70. Latest 5E8-A build and a cool simple mod for it
  71. Budda+New Tubes =Heat Help Please
  72. recycle old tubes?
  73. Looking for amp tech NW Indiana/Chicago
  74. Problem with my Avatar 4x12 cabinet
  75. 'Cap Job' Help
  76. JBL D120F - How to identify recones?
  77. 65 BF Bandmaster Ohm? Speakers?
  78. Caps Questions?
  79. 250-500pf coupling caps: Best sounding
  80. any recommended channel switchers for CAE 3+ preamp?
  81. Recap Time For Tweed Champ?
  82. TAD 6L6: Difference between big and short bottles?
  83. Best current production tubes?
  84. Please explain about transformer size
  85. Does Ruby make the best sounding reverb tanks?
  86. 2 Practically Identical Supers... one sounds different.
  87. think i blew my output transformer
  88. Best Multi Cap Can for BFPR ?
  89. clean chording at low volume and my Chieftain is making crackly sounds....
  90. Late 70's Vibrolux Bias Resistor Value
  91. ID a Vox re-issue please
  92. Cermet bias pot
  93. Amp Tech in Atlanta
  94. Why is it?
  95. Anyone recommend a good (But cheap) oscilloscope for internal amp readings?
  96. Marshall ???
  97. Combo amp suitable for harp player?
  98. Problem w/ my JMP, microphonic power tubes?
  99. Tube driven effects loop???????
  100. What do you make of this?
  101. Caps in trem section of fender...
  102. What tubes can I run in a YSR-1?
  103. Proper AC signal strength on input.
  104. How do you know when you're tubes need replacing?
  105. Oscope w/400VDC max input: Enough?
  106. Can Someone Critique a Layout (Tweed Pro) For Me?
  107. power tubes
  108. Spec'ing a Power Supply
  109. Is this box fan mod o.k?
  110. Choke tranny has slight vibration? Huh?
  111. replacement screw size for speaker
  112. Need info on running my 63 AC-30 at 240v
  113. Marshall...noise from input tube
  114. need plastic or insulated screw driver
  115. Headroom
  116. Biasing an amp w/o a "bias meter"
  117. Vibrolux Filter Caps
  118. SFDR: Signal clips only in the power tubes.
  119. Where to get this cap?
  120. Micro cube issues
  121. Another "How to bias" thread! This time the Bassman LTD
  122. Cathode Resistors for 6L6 Tweed Deluxe
  123. NFB Resistor Value
  124. Weber Natalie Amp Head?
  125. Amp Sounds Like Broken Glass
  126. Vox AC30 Top Boost Mod
  127. Changing to EL34s in a JCM900 4100?
  128. audio taper vs. linear taper volume pot Fender amps?
  129. Tweed Champ Rectifier
  130. Reverb Issue on Custom Vibrolux.....
  131. What's your favorite circuit type?
  132. Amp tech in kansas city, mo?
  133. Can I get more range of bias in a bassman head?
  134. Okay, fine...So What *Is* Your Favorite Circuit Type?
  135. EL-84's in a Super Sonic?
  136. Weird signal loss through pedal board
  137. Cap can Mallory type FP???
  138. Mesa Express 5:50 began smoking and died...
  139. Heritage Colonial EL-34?
  140. What's your favorite Transformer?
  141. Is there a technical explanation for this? Vox CC and Fulltone 69
  142. Kt 88?
  143. What causes 'radio thru amp' effect?
  144. Blew up my Marshall today, tubes? Attenuator?
  145. Bias Question
  146. Need unique PT
  147. 100 Watt Amp Bias:Way Low
  148. Question on biasing (scoping for X-over distortion)
  149. Fender Limited Edition Twin Reverb
  150. Double checking speaker impedance
  151. Which bias Meter ?? bias Probe, biasrite, biasking
  152. 6V6G coke bottle usable in a BF Vibrochamp?
  153. Marshall JMP impedance selector - 6550's
  154. Tweed Bandmaster OT, Bias, Tubes?
  155. Princeton Reverb Problem
  156. 71 SF vibrolux is smoking (literally!)
  157. Cabinet buzz Pro Reverb
  158. G12T-75: Chinese or British?
  159. Anybody mod Rivera's?
  160. John Phillips (or anyone): What preamp tubes in your T-Verb?
  161. When is biasing needed?
  162. What is the best and safest method to bias an amp?
  163. More newbie bias questions....
  164. tube question for modded 5E3
  165. Help with a Peavey C30 will you???
  166. Troubleshooting a rattling 1X12 combo
  167. Marshall AVT150 problem
  168. Fender Pro Speaker Question?
  169. Amp has ring modulation effect
  170. Power Xformer Vintage Fender Question
  171. HELP! MM Tranny install (choke & OT) and now theres horrible distortion!
  172. Photos of transformer and pickup dissection?
  173. Wow! 5E3 with fatstack tranny!
  174. Upping An Amp's Power From 5W To 15W
  175. Reducing Hissssssss
  176. from Celestion: British or Chinese?
  177. 1.5k resistor on power tubes... 1/2 watt ok?
  178. New Genalex KT66 Valves
  179. mic pre technical question
  180. Bad Cat bias
  181. English Voltage to US Voltage
  182. Stupid question on changing amp channel - Rivera
  183. removing the bright cap on marshall volume pot
  184. Mallory VS Orange Drops whats the difference?
  185. What should I do with this vintage Fender BandMaster???
  186. DIY BlackFace Hi Power Twin?
  187. Q: Reverb tanks, RCA ins and outs... crazy idea.
  188. bias question (probably naive)
  189. Is a "reconed" greenback really something to worry about?
  190. Tone Stack Lift Question
  191. Cab failing pleaes help!
  192. Jewel light for my SF Fender?
  193. Trannie Config
  194. 5 E 3 for a Gibson 335 -- what mods ?
  195. Variac Volume Control ?
  196. Where to get amp knobs?
  197. Channel Mixing Resistor Values
  198. how do i rewire a badcat from 110v to 240v ?
  199. 5E3 line out mod
  200. Bogner XTC 101b noise issue
  201. Any Hot Cat players find it too gainy? May have a mod to help...
  202. KT66s in a 1987 plexi anyone?
  203. MKIII Woes
  204. Fender Clone volume pot value
  205. Multimeter quality
  206. old preamp tube #$'s?
  207. Vox AC15 Conversion?
  208. DR. Z Airbrake owners unite!
  209. Super-sonic (head) tube function/location?
  210. Fender 57 Deluxe Class question
  211. Honky mids, bad preamp tube?
  212. Designing for Impedance in a Gain Stage
  213. Divided By 13 Bias Pot
  214. Just bought some re-cone Greenbacks...can someone tell me about the cones?
  215. Turning off Amp it......
  216. Mercury Upgrades
  217. super reverb
  218. Software Oscope
  219. Tube Tester Help in Dallas
  220. 5e3 6v6 to el84???
  221. One power tube glowing red, please help!
  222. KT88 SE Amp Question
  223. Want to build my first amp - advice for a newbie!
  224. Need some "cage nuts" - clip in nuts that hold a chassis in a head shell
  225. What mods have you done to your 18w amps??
  226. 5ar4 rectifier tube, replaced with a 5u4gb FRY a PT
  227. Looking for an AA864 Fiberboard
  228. Dumb question...please help
  229. kt66 vs 6l6
  230. Cathode vs. Adjustable Fixed Bias
  231. Output Watts?
  232. Bias after replacing 5AR4?
  233. Buzz In Audio Signal
  234. Traynor YBA-1A mkii Output Transformer Suggestions
  235. Super-sonic schematic?
  236. What's a fair price for a cap job...
  237. Bassman mod question for a newby -
  238. So I got this new multimeter, help?
  239. What's usually involved in a 3-prong upgrade?
  240. How do I make a longer speaker cable for a combo?
  241. I need a Boogie DC5 modded in London uk
  242. Vox AC15CC1 static?
  243. which tube does what?
  244. can a deluxe reverb use a 2x10 speaker baffel?
  245. I Need A Schematic
  246. Rant Mod for Valve Jr
  247. Supersonic biasing info?
  248. Amp/Cab Ohms Question
  249. What is the effect of changing these resistors...
  250. What does an authentic 60' Jensen C10Q Speaker look like?