PDA

View Full Version : Amp Technical Info


Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 [34] 35 36 37 38 39 40 41 42 43

  1. Converted to 3 prong plug, hum!
  2. Baffle thickness
  3. Super Reverb Tone Degenerated
  4. Two 6L6's in a four 6V6 amp?
  5. Advice Needed: Victoria, EL34s+Gray Smoke
  6. Jensen 12PQ RI distortion
  7. 1967 BassmanSF- Starting the New Year Right
  8. NOS EL84s Humming in my Hot Cat 15...Why?
  9. I don't understand this champ clone diagram... help me out?
  10. Fender Hot Rod Deluxe volume problem.
  11. In praise of lower-than-"optimal" biasing
  12. Speaker repair glue info
  13. Adding a cab output to a combo amp?
  14. Preamp tubes that have no letters on them?
  15. JJ 6V6 similar to 6L6?
  16. Amp Techs: What does this look like?
  17. Ampeg volume cutting out!
  18. Using SN/AG solder in a Fender Twin
  19. sfdr vs bfdr
  20. Vox ac15cc mods.
  21. sfdr vs bfdr
  22. Greater Philly area tech for tweed amp repair?
  23. Blackface a late 70's Princeton Reverb??
  24. bias 66 Super Reverb w/JJ 6L6's
  25. EF86 preamp
  26. hooking up a speaker and not sure which tab/wire is ground
  27. Which tubes in the preamp section of my amp effetct my tone?
  28. Yellow printed Mullards
  29. Sozo caps for Fenders
  30. Sylvania 6ca7 biasing question.
  31. Anyone converted their JMP 2203/2204 to a PPIMV?..
  32. super lead noise
  33. New Gold lion kt88's
  34. 1967 Bassman General Maintenance
  35. Wanted: East Tennessee Amp Repair
  36. How can you tell if your tubes are Cathode Poisoned?
  37. One triode for parallel loop?
  38. amp tech's I need your help
  39. Speaker Sizzle
  40. I bought a German amp and now have a voltage/cycles issue.
  41. Mesa Boogie Mark V prototype - $1600
  42. Can someone point me somewhere so I can learn about how to use a zener diode?
  43. 5E3 Clark Beaufort
  44. Amp has power but no sound!
  45. HRDx FX Loop - Instrument or Line Level?
  46. Power cord strain reliefs
  47. I want to build an Allen Accomplice...
  48. 1966 Supro Thunderbolt - cathode biased?
  49. WTB: Caps!
  50. Celestion: Blue or Gold?
  51. Help identifying these 12AX7 tubes
  52. Odd question about iso cab in attic.
  53. A brief diagnosis question?
  54. Wiring a Standby in 5E3?
  55. Marshall Jubilee Problem!
  56. Capacitor question
  57. ERO caps.
  58. Question About Attenuators & Amps with Selectable Ohm Spkr Out...Harmful???
  59. Tone King Imperial Bias Question
  60. Buzzing/Clicking noise on my Laney AOR...
  61. Marshall Micro Stack repair help
  62. Epiphone valve junior head crackling tube question
  63. How to re-tension preamp tube sockets?
  64. PCB's vs Handwired - What's the TANGIBLE diff?
  65. Proper replacement reverb tank for a Blues Jr?
  66. Power tubes not glowing.. no sound.. wtf
  67. princeton reverb 65 RI
  68. Effect of dead tube in V1 on BF Vibrolux Reverb
  69. Need Diagnosis on Dead Bogner
  70. SWR California Blonde dirty pots
  71. Marshall Preamp Question: Which valve has the most impact on tone?
  72. quick jack wiring question
  73. 5V4G vs. 5V4GA
  74. Powering an LED with a 9V battery???
  75. Amp Techs Columbus Ohio Area
  76. Fender Super Reverb... New Tubes?
  77. 6L6 to EL34 & vice versa
  78. Asking for trouble with these tubes?
  79. Annoying Noise with Mesa/Boogie LoneStar Special
  80. Cokebottle 6L6G versus the Bandmaster and Vibro Champ
  81. desoldering a mic pre transformer: HELP!
  82. Bad Cat won't work in Rectifier mode
  83. 6L6/5881's that will take 500+ V?
  84. 6V6's in JTM45/Bluesbreaker???
  85. help with non-functioning tremolo on an FDR
  86. miss the dynamic of THD
  87. different Standby Idea
  88. Question on mis match speaker ohms
  89. Can you change a Peavey Classic 30 to a Classic 15?
  90. Anybody like ceramic caps? I might
  91. heyboer 50 w ot tranny- how long...
  92. Cathode follower?
  93. DRRI's fake ground switch...modded for bias adjustment knob??
  94. What can you tell me about these Zenith branded EL84's?
  95. supersonic 212 cabinet
  96. Mic pre transformer question
  97. THD 2x12 Question
  98. Brown Super Presence Control
  99. Cathode Bias = No Biasing Needed?
  100. Are Spring Reverbs Typically Noisy?
  101. Why does my SFDR sound like I'm using a sitar?
  102. 1972 SFDR makes horrible screeching noise sometimes
  103. Top Notch Amp Guru in the Tampa area?
  104. Cabinet mismatch. What setting should i use?
  105. Quick 'will this damage my amp' question
  106. Gibson GSS-100 Vibrato/Tremolo Problem
  107. 1976 Deluxe Reverb - Seeking advice!
  108. Poplar Cab Question
  109. Lee Jackson GP-1000 help pls!
  110. midi cable and roadster footswitch?
  111. 6L6 to 6V6?
  112. Channel Jumpering a 4-input Marshall Plexi
  113. Oh $&*@!, did i just kill my Marshall?
  114. rectifier tube question
  115. Bassman 6v6
  116. Bias Question
  117. Laney GH50L Less gain after tube replacement
  118. repairing traces on a mic pre board
  119. Mesa Nomad 55 Channel 3 not working?
  120. Ge 5881 nos
  121. I acn gear the radio through my amp
  122. Help Needed for 76 Pro Reverb
  123. source for filter cap cans?
  124. Dumb novice question
  125. 5V4 in a Princeton?
  126. Vibro Champ Reverb
  127. speaker wiring?
  128. Which power tranny for 71 Princeton
  129. Reverb problem with a mid 70's Traynor, need some advice
  130. Using a breadboard
  131. Filter Cap Can ???'s....40/20/20 vs 20/20/20/20?
  132. 1980 Fender DR question...
  133. Bogner XTC Ecstasy 101B Power Tube Question
  134. Hiwatt mods: possible?
  135. Fender Champ 12 - Speaker Replacement
  136. the beauty of Mullards
  137. modding the normal channel on my Twin??
  138. Ohms/Wattage question... need help!!!!
  139. Vox AC30CCH effects loop problem
  140. look what sozo capacitors came out with,very cool..
  141. Stupid SFTR Vibrato Question
  142. Fender Power Transformer
  143. 5E3 Build?
  144. Carling DPDT switches 641-series
  145. Favorite 6L6 for Super Reverb/earlier break up
  146. Princeton reverb problem
  147. JJ's 6V6 Is this a 6V6GT or 6V6 ?
  148. Vox ac-5
  149. impedance mismatch?
  150. Looking into rectifier tubes that will run on 6.3 volts...
  151. Hot Rod Deluxe Issue
  152. 5E OT Question
  153. 220uf 300v Filter Cap Sizzle, replace ?
  154. Bassman 6G6-A Trouble...
  155. Orange Rocker 30 head tubes
  156. channel jumping with a tubescreamer
  157. Two-Rock Bias Test Point & Bias Adjustment Photo
  158. How long do you folks get out of current production 12ax7's?
  159. Output transformer rewinds in Canada
  160. Carr rambler issues, help please,
  161. how to break-in a speaker
  162. Tubing a Deluxe Reverb
  163. (1982) JCM800 Bass Series (Inf/help Pls)
  164. Mullard I63 1965 12ax7s WITHOUT copper support rods is this possible?
  165. Bassman RI mods?
  166. Supply sag
  167. Weird happenings with my amp at practice last night?
  168. Potentiometers - Values???
  169. Can anyone recommend a good DIGITAL Multi Meter?
  170. peavey classic vt 2x12 speaker upgrade
  171. Cabinet impedance
  172. Power amp wattage greater than speaker wattage
  173. Non-working amp - shop visit or Ebay?
  174. How to calculate -3dB point of PI-caps
  175. DC Filaments
  176. Looking for Roland Amp repair in NYC/Westchester
  177. Anyone Put NOS EL84's in their Crate V18?
  178. Changing out pretubes in rivera knucklehead k -100...
  179. Shock question - SF Fender
  180. Finally used the footswitch on my HRD...
  181. Parasitic oscillation on a 5E3?
  182. Tube amp hum on power up
  183. motor-run caps, any one use these?
  184. Gibson Goldtone GA-15 not making sound
  185. What Is This Fender Cab Good For?
  186. Vox ac15 heritage - new tubes - re-bias???
  187. Fender: Central/So Cal Warranty Repair Shops
  188. Boogie LSS problem
  189. My amp is dead... help?!
  190. Are 1n4995 diodes ok for fender twin?
  191. Easy ways to reduce output on 6V6 tubes?
  192. Tremoverb hums in standby mode
  193. Peavey Classic VT
  194. Can this sort of Input Jack be made ?
  195. Can I put 6V6's in my Super Lead?
  196. What Dictates Power Tube Options?
  197. Speakers - what dictates overall volume?
  198. Bias reading creeping up on one tube on DSL50
  199. output transformer ohms question
  200. Daddy's Junky Music for amp repair?
  201. music man 10 inch speakers, what are the ohm ratings
  202. early 67 45/100 w/el34s, 119 OT, 43PT, aluminuim chassis
  203. Help me find a SPST/DPDT Push-Pull Pot
  204. Fender FM 212r Amp will not turn on?!?!
  205. Help me with Ohms
  206. Okay to use WGB 6L6's in TRRI ???
  207. Okay to use WGB JAN Philips 6L6's in TRRI ???
  208. Marshall JCM800 2210 - Tube for the Reverb circuit?
  209. How does one get Tone out of a Sovtek 5881 (6PI33C)
  210. Speaker dust
  211. questions on Crate V33-212
  212. Super Reverb circuit
  213. Questions About Hi-Gain Design Theory
  214. Reverb pan for Gibson Vangaurd GA77RVT
  215. Question about wiring multi tap OT
  216. Bias Tool and Blowing Fuses
  217. Gold Lion KT66 for Super Reverb?
  218. ghost note question
  219. tech in CT?
  220. Can someone help diagnose a amp/tube issue?
  221. What are the basic component of a guitar amp.
  222. Clipping the Bright Cap - what's it mean?
  223. DIY Sunn Beta Lead footswitch
  224. Problem with Fender Hot Rod Deluxe
  225. My little Vox died.
  226. Are these tubes okay for my 71 Pro Reverb?
  227. advice on changing bass channel (ab165) to marshall 2204?
  228. plexi experts: 1987 vs 1986
  229. will 2 12" speakers fit inside a super reverb?
  230. Tiny Terror head thru a small combo?
  231. to change PI tube when changing Power Tubes?
  232. Bogner noise question
  233. So, if I disconnect the negative feedback loop...
  234. Weird bass overtone/feedback
  235. TRRI power amp tubes - do I need to buy a matched quartet?
  236. Serious power tube problem with my Fender hot rod deluxe.
  237. Adjustable bias mod on Dual Rectifier
  238. lack of standby switches on high-end SS rectified amps?
  239. Super Reverb Issues
  240. Best tweed amp kits (heads only!)
  241. super reverb reissue problem
  242. How to Get Rid of RF Interference
  243. Marshall Bulgin Power Cable
  244. Help with tubes!
  245. super reverb OT primary impedance - 6k ??
  246. current production EF86 tubes
  247. Safe ma Range on a Matched Set?
  248. swart 6v6se speaker/ohms??
  249. Operating point vs music style
  250. Need help...Vox AC30cc1 has little bass