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  1. can anyone recommend a good scope?
  2. End Date for Production of RCA "Blackplates"?
  3. Gibson GA-30 Help
  4. EL84 screen voltage compared to plate voltage
  5. Testing Capacitors for DC Leakage
  6. Question about 5V4G recifier tubes
  7. sound bleeding into both channels on amp
  8. Static in JCM800...
  9. Lead Dress??
  10. Cracked Circuit Board
  11. Voltage/Bias & Amp Performance Questions
  12. Testing an unknown PT
  13. What the heck are these Marshall pre-amp tubes?
  14. 6SL7 in a Tweed Deluxe Clone?
  15. EL34's for a 520V (plate) amp?
  16. How to test a power cap?
  17. Jtm45
  18. NEED A QUICK TUTORIAL (Transformer content)
  19. Trace Velocette Arrived - with Problems.
  20. 5y3 to 5u4 swap?
  21. Vintage combo amps...new speaker cable
  22. Epiphone Galaxie 10 Project
  23. speaker wiring in a hurry...can I use E tape for tonight?
  24. NOS Valvo El84 Question
  25. Biasing a Traynor YBA-1A
  26. building a few things need help....
  27. Microphonic wires?
  28. Where can I find CASE PARTS?
  29. Tried The Jensen Neo !2"
  30. Any good reason not to get Radio Shack solder?
  31. Ampmaker OT01
  32. Repair/disassembly tricks?
  33. Which multimeter?
  34. Mains Fuses on amps 4-5 amp (Slow or fast blow?)
  35. Discharging the transformer or caps or... okay, technical help
  36. Auto biasing?
  37. Biasing a tweed tremolux 5E9
  38. Tube tester recommendations?
  39. Weird problem here......
  40. Question on using bias test points/adjustment
  41. Can someone ID this 12ax7a? thx.
  42. soldering a 1/4" switchcraft jack question
  43. Are bias resistors good enough?
  44. Patch tear in speaker?
  45. Radio signal when I ......
  46. Biasing Question RE: Vp & Ik relationship
  47. z28 bias?
  48. Vintage Amp/New Caps
  49. Selecting 7581A in the correct bias range for a Mesa/Boogie DC-5
  50. Are These Stock Jubilee (2204) Bias Readings Correct?
  51. amp building
  52. 1965 Gibson GR25rvt Hawk
  53. mounting reverb tank
  54. Fender amp parts question
  55. ARS Tubes?
  56. Can someone ID this =C= tube for me?
  57. Picking up radio stations/CB radios
  58. Slope resistor
  59. In any 4-power-tube situation, you can pull out the outer two
  60. speaker or instrument cable . .identifying
  61. Blackface Champ Chasis
  62. how to make a speaker cable?
  63. Feedback/Squeeling issues
  64. 1959slp bias question
  65. 2 amps and trying to avoid ground loops...
  66. Anyone have a problem with reliability on SED tubes?
  67. Deluxe Rev Bright cap question
  68. One Excellent Tube Dealer!!
  69. Clark 5F2? Is this a Clark Princeton or Champ?
  70. Faintly glowing plates on a new Super Lead build. What to do?
  71. Traynor Custom Reverb lack of headroom???
  72. Tweed Princeton ?
  73. how MUCH power?
  74. Same amp,same speakers 4x12 vs 1x12 which is louder...
  75. Speaker Solder
  76. Where Can I Get These In Bulk?
  77. 2 DR's in stereo
  78. Output transformer resistance
  79. Marshall Power brake??
  80. Power tubes shorting...help, anyone?
  81. Wattage question
  82. Amp Problem-Please Help
  83. Deluxe Reverb destined to hiss?
  84. Tube Idle Bias effect in Cathode & Fixed bias circuits?
  85. Anyone have any trouble with there Crate V series???
  86. Series or parallel, how do most cabs come?
  87. Sylvania 6L6GC vs GB
  88. blues junior wont make noise
  89. UNBELIEVABLE! After playing since 68, i blew up my first amp!
  90. Plugs for amp face plate holes????
  91. Heritage Victory question
  92. TECHS: Dead spot on treble pot. Is it dirty?
  93. Why Pursue Tube Drive and Then Use Pedals?
  94. Economical power filtering?
  95. Strange Mesa static noise
  96. Quick DRRI ohms question...
  97. Ground loop? Peterson tuner into amp
  98. 25 watt Greenback Speaker question...
  99. Celestion Alnico in a '64 Deluxe
  100. Can a THD hotplate cause your amp to blow a fuse?
  101. Mismatched power tubes??
  102. Odd tone problem, guitar sounds out of tune
  103. February Amp Build Seminar
  104. A good tubes book !
  105. "Bigger Iron" (tranny affect on tone)?
  106. Marshall JMP Filter Caps
  107. Can this be done (wattage lowering content)
  108. Mystery cap drainage.... recto diodes?
  109. What are some great 12au7's??
  110. Help me brush up on my capacitor math.
  111. Tube Matching & Biasing
  112. Sound City blowing fuses
  113. lost my blackface cleans
  114. Feedback Issues
  115. Class-A versus Class-AB...did you know?
  116. I can't even change a tube
  117. Remind me: +/- on Eminence speakers?
  118. Help with old Fender Princeton Amp
  119. DRRI Problem
  120. I dont even know
  121. Opinions about how much filtering
  122. Solid State wattage question.
  123. Replacing power transformer in Deluxe... make sure i've got it right.
  124. Can a Hot Plate hurt an amp?
  125. Power Tube Too Close to Speaker
  126. Bad Speaker Cable - Fried Amp?
  127. Allen Old Flame Layout???
  128. For those who switch between amps--pedals/fx loop?
  129. Solid core speaker wire?
  130. Negative Feedback Loop Pot
  131. amp is... "boing"-ing???
  132. Long-term speaker storage
  133. Bluesbreaker reissue question
  134. Bassman 1964 question
  135. Determining ohms of unlabeled OT taps?
  136. "Less than a noobie" question.
  137. Blackface Fender gut shots anyone?
  138. Orange Drop Directionality?
  139. Stereo amp for guitar use?
  140. Power tubes glowing blue?
  141. Aw mom, not Zinky Hummables....
  142. Installing a Master Volume?
  143. Quick 6V6 biasing question...
  144. Hey you amp techies... Please look at my 68 twin and...
  145. Ohms
  146. Origin/Theoritcal Basis Of Blackface Tonestack?
  147. Caps...is there anything special when installing them?
  148. Can I run my cab with two amps?
  149. Anyone Set the Bias on a Cornford Mk50H?
  150. Output X-frmer for Ampeg B-15 Portaflex
  151. Gibson Skylark ga5t/Epiphone Pacemaker ea50t help
  152. Finished my Metro amp super lead !!!
  153. Marshall 2203 tube swap question??
  154. Anyone having problems with a Marshall2061x 20 watt head??
  155. Need a good Marshall Amp Tech
  156. Speakers rear vs. front mount
  157. Super Champ Needs a cap job, But.....
  158. pro junior usa vs mexican?tweed vs ..black?
  159. Need schematic help: Univox U 155R
  160. Matchless RV-1 Unit Problems
  161. Instead of all the epi Valve Jr Mods....How About a Treble Booster?
  162. Upgrading old amp from 2-prong AC to 3-prong
  163. Plate-to-Cathode caps a la DB?
  164. Recommandations for blackface bassman tech
  165. Blown OT?
  166. Do Pre-Amp Tubes Need to be biased?
  167. Vibrolux Filter caps
  168. reverb tank for Vox AC30cc 1x12
  169. Anyone Built Their Own Cab? I Need Help!
  170. Fulltone Tube Tape Echo 12AX7 recommendations
  171. Adding a line out to a tube amp?
  172. Deluxe Reverb bright cap question
  173. Old Princeton With Low Level Breakup
  174. A Question For Marshall 1959 Slp Players
  175. BF Bassman: Silver Mica?
  176. biasing a peavey classic 50...
  177. Tube Wear at 1/2 Power
  178. Bias Tubes
  179. Half the problems with old amps...
  180. Can someone ID these EL34's?
  181. Bassman Ten ohms question
  182. Blues Junior's tone deteriorates after 20 minute play time (?)
  183. tube buffered effects loop box?
  184. Heater question
  185. How hard is it to mod an amp with no FX loop for reverb?
  186. question for the tube experts
  187. Echoplex: Power transformer secondary HV
  188. OT / Speaker Hook Up
  189. A diode is a diode?
  190. Fav 5Y3???
  191. GT 6L6 BP's
  192. Amp to mixer with no speaker - how?
  193. Goosing up a 65 DR
  194. Has anybody tried CryoValves
  195. Carr Rambler problems??
  196. Clean boost yields preamp or power tube distortion?
  197. What's Your Favorite 6v6 in your Fender?
  198. Learning About Electricity...Goals To Work On Equipment...
  199. Need SF Champ help
  200. Upgrades/mods Ac30CC1
  201. Building a speaker cab
  202. installing new tubes in a Valve Jr.
  203. New Build Reverb Tanks
  204. Help! Am I going crazy? Whats wrong here?
  205. Is This Handwired?
  206. Classic Marshall 4x12 Wiring
  207. Fender Blackface gurus, help please (gut shots)
  208. WEBER BIAS RITE (question concerning toggle selections)
  209. super reverb making weird noises!!
  210. Brownnote amps
  211. Chassis Gut Shot! 1962 Fender Brownface Pro
  212. Got a rattle problem not the speaker
  213. Speaker Input Jack Question?
  214. Tube to Solid State Rectifier
  215. What can a tech tell by looking at an amp?
  216. Awwww, man..am I to hot?? (KT-66 content) HELP
  217. Marshall MK II 50 watt
  218. Can anyone identify this 6BQ5?
  219. NEED HELP!!! Readings gone..........?????
  220. Tube depot question
  221. Urgent Help please!
  222. Tubes, how to know when they are near the end ?
  223. What is this? Reverb?
  224. No power at all question.....
  225. defective hot plate?
  226. JTM 45/100 question
  227. Wiring two 8 ohm speakers for 8 ohms?
  228. RoHS compliance, WEEE, can someone explain please?
  229. Groove tube solo-one is a dog!!!
  230. FTR-37 is blowing fuses
  231. Ohm?
  232. Late 70's Vibrolux Reverb queries
  233. rectifier tubes...some better than others?
  234. Power transformers!
  235. Do Volume Boxes work ?
  236. Can I use bigger tubes in a Deluxe Reverb II
  237. Super Reverb rectifier question
  238. Sound City Chassis Question, pic in thread
  239. who's got parallel triode amps - matchless etc?
  240. old Fender and 8ohm cab and hot plate
  241. Why the Lower Ohmage on Fender Amps?
  242. What tubes to replace these odd ones ?
  243. MFD same as uF?
  244. Has anyone tried 4 of Jensen Neo 10's in a SuperReverb?
  245. How bad is it for an amp...
  246. bassman 2x12 cab questions..
  247. Any Good Speaker Reconers in Texas?
  248. Need Marshall DSL 401 and Cabinet Ohms Help!
  249. Need help testing 6BQ5/EL84s pulled from a Hammond...
  250. I'm picking up radio station through amp...