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
  1. One amp noisy.............the other not??
  2. Pre-amp Tube Question (Valveking)
  3. KT66 in 69' 50watt Plexi
  4. Supersonic reverb feedback
  5. KT88 vs 6L6?
  6. Oscillating fuzz ?...and not in a good way...
  7. Supersonic volume loss (blown cap)?
  8. Y cable to connect cabinets
  9. KT-66 Bias ?
  10. 12ax7 to EF-86 adaptor ?
  11. wiring for PA speaker, need help
  12. Bogen CHB50 help
  13. Princeton reverb PaulC mod
  14. So I decided to go with an AC15H1TV combo.
  15. Diezel VH4S Biasing Question...
  16. Differences between 12AU7 vs 12AX7?
  17. 18 watt Tone Control Problems
  18. How much danger am I in?
  19. Choosing which tube/ valve to go where... [mostly chinese pre-amp content]
  20. searching for schematic.. AIMS VTG-120
  21. Why do the chassis in many amp heads hang upside-down?
  22. Matchless clubman shorted recto, now no output. Help!!! Puh-leese!
  23. Peavey PA head question
  24. Reverb not working......what to check next?
  25. Power tubes for MM 210-65
  26. Ugly distortion only at higher gain levels - reverb transformer?
  27. Substituting EL34s with 6V6s?
  28. Does the bias affect how well an amp cleans up?
  29. jcm800 clone, power tube issue.
  30. Matched quad tolerances?
  31. which tools are most helpful in amp building?
  32. jtm60 transformer URGENT
  33. Loud vibration noises from Fender reverb...How to fix?
  34. How do you know when caps in your amp are going bad?
  35. Peavey Delta Blues: Weak Vibrato
  36. 5881 vs 6L6.....the difference is?
  37. Cathode Bias Benefits?
  38. What do you think this could be?
  39. Bias Fender Amplfier Myself Easy Yes? No? Help the Dummy?
  40. Budda Super Distortion 30/ Ring Modulator
  41. who has a Weber Z-matcher?
  42. Just finished Metro 50 watt plexi build!!
  43. I think I destroyed a speaker
  44. Speaker Reconing in OC/LA reccomendations
  45. What's the word on Chinese 6V6's?
  46. tube socket recommendation?
  47. Filament Inrush
  48. Electrolytic Caps: Can vs Axial
  49. Searching for PCB-mount pots
  50. Filmosound M-1 2x6V6 mods?
  51. Mounting a speaker - how tight?
  52. My amp is squealing, cutting in/out..what's wrong?
  53. Running two attenuators on the same amp
  54. Is this normal?
  55. Good amp tech near Lake George NY?
  56. Bias Your Own Amplifier Video Instruction Site
  57. C-10 Mod on a DRRI...
  58. JCM 800 design question
  59. SFDR Just Not "Right" - Fix it?
  60. Anyone know of a good (beginner's) amp repair book?
  61. Tidy & Neat Wiring - Tips?
  62. Where can I buy amp tubes in Chicago?
  63. What is the goop used to hold down parts?
  64. Bizarre Electronic Conundrum !
  65. F&T Filter Caps: Any opinions?
  66. Power scaling,,,whoz using??
  67. SF Pro Reverb Kinda Bright Sounding...
  68. shipping an amp - postage
  69. So I just designed a valve amp...
  70. Fender Deluxe 5E3 question
  71. What are PCBs?
  72. Fun with Caps Video
  73. Any opinions on the EH 12AX7?
  74. el 84 characteristics
  75. Source for fender transfomers
  76. The thread for Fender Super-Sonic modds.....
  77. Trem-oh-no!
  78. Speakon Connectors?
  79. What happened to my amp?
  80. Pre-Amp Tube Tone?
  81. Help....!! Think i cooked my overtone...
  82. Rectifier Tubes GT-5Y3 versus 5AR4 Interchangable?
  83. Who builds rigs in NYC???
  84. POwer tube spec question??? - (tung-sol)
  85. Mission Amp 5E3 Cathode Split Mod
  86. Mallory electrolytic sources??
  87. Need help indentifiying this 12ax7
  88. Peavey C30 bias
  89. Need help on correct bias settings
  90. Plz, suggest me linear AX7s/ 83s
  91. blowing a fuse...
  92. 24db Boost v.s. Low Wattage Amps
  93. weber beam blockers
  94. transformer primary impedance: Princeton reverb/Deluxe reverb
  95. Laney VH100R Channel 2 with Drive problem (schems inside)
  96. Replacing EF86 with E80F?
  97. I NEED HELP! w/ Mixer/Speaker
  98. Amp quits after falling over in my trunk...
  99. Crazy question "Can I lower a speakers Impedence by placing the proper size resistor
  100. Marshall Super Bass preamp tubes
  101. Tweed Deluxe - Output Transformer
  102. Tube Dampers For EL84's
  103. Fender twin-amp: reverb not working
  104. Philips ECG 6L6WGB in a Road Kink II...are they safe to use?
  105. Traynor YCV40 stand-by switch - help!
  106. Experience with JJ GZ34?
  107. How Much Wattage From a Single Tube?
  108. DRAIN those Caps!!!!
  109. Power supply transformer rating questions
  110. Dating a Vibro King
  111. Russian Tung Sol 5881 bias
  112. Replacing Tubes in an ac30cc
  113. Bias voltage of 6L6's in Road King II?
  114. Suggestions for 12ax7 in V1 for early breakup
  115. Traynor YGM-3, potential mods?
  116. Switching Transformer
  117. burst of sound
  118. Ghost notes from bass?
  119. Choke Question
  120. Please tell me more about these Oxfords
  121. My 5E3 is Makin' Bacon...
  122. When my RCA Receiving Tube Manual says "maxium"...?
  123. Removeable homemade beam blockers
  124. Replacing 6V6s in an Allen Accomplice with 6L6s
  125. Experts Please Read!!!
  126. 3.3Meg reverb resistor in fender blackface amps
  127. 120 Hz Hum in 135 watt Twin, P.I. pulled
  128. Need help/tips to reduce gain in my Roccaforte Custom 80
  129. 6V6 replacing EL34?
  130. Need'n help quick for a 5E8A Weber Tweed Twin clone
  131. Slight Pops when taken off standby
  132. AC15 problem, HELP!
  133. Can Anyone Shed some light on this subject
  134. Tube score, need advice
  135. Removing Celestion Alnico magnet dust covers
  136. Doh! My 1974X went down last night...help?
  137. 12ax7 Pics: Mullard, Telefunken, Raytheon, United
  138. Marshall Studio 15 ?
  139. NOS CV4024 Mullards > OUT! (Reverb Driver)
  140. thank u ed blum of blum amps
  141. Crackling and static
  142. why is my amp making a slight rattling noise?
  143. source for relays?
  144. Standby Does Not Turn On
  145. Anyone use the Celenex octal socket...
  146. 6v6's and EL34s?
  147. Phase Inverter Caps
  148. Allen Old Flame
  149. Can attenuators be used with...
  150. DRRI Rectifier tube choices
  151. bf bassman, Bias at 100v or 120v?
  152. speaker wiring
  153. PRC Resistors?
  154. mojo jtm-45 amp build blowing mains fuse
  155. Volume loss on amp...
  156. a couple of quick schematic questions
  157. strange noise issue
  158. Reverb Experts: Accutronics Type 8 vs. Type 9
  159. Scratchy Pots/Crackles on Deluxe Reverb Reissue...
  160. Peavey Power Amp Kicking Breaker
  161. How do I read ohms on a 4x12 that I can't open?
  162. Tone Control Frequency Selection?
  163. Mixing V30s 8 ohm with G12T75s 16 ohm.
  164. Can someone educate me on 12ax7 tubes
  165. New 5E3 build power tube anomaly
  166. Epiphone Blues Custom 30 blowing fuses
  167. Trannies and caps for 5F1 or 5e3
  168. Can bad tubes cause this?
  169. Tech ? - Kustom 36 Coupe
  170. What determines a speaker's resistance?
  171. Need Some Help With Tube Circuit!
  172. inside pics of a Hughes & kettner?Anyone?
  173. Scratchy pot fix for VVR
  174. Does this sound like a microphonic tube problem?
  175. SoundTech QM4 (C100) PA Amp
  176. I think my grill cloth needs a shave
  177. Best repro vintage Fender jewel lamp covers
  178. help...disconnected speaker wires.
  179. 68 Fender Deluxe Reverb help!
  180. 2 Channel Amps Phasing question
  181. Vox ac 15 tbx reverb problem
  182. Is the Metal Spring holder for my amp's Rectifier tube absolutely necessary?
  183. Can I change a pot on my amp? Or will I die?
  184. Stray Capacitance???
  185. Bogen MX 60 Need Schematic
  186. Does anybody have Sephen Moller's AC30 simulator schematic
  187. JTM45 Clone, KT66 Power Tube Issues
  188. Blues Jr line out from preamp stage
  189. Why is my amp squealing?
  190. Low Wattage on one Tube?
  191. Guitar Slightly Bleeds Through Amp On Standby- Please Help!
  192. R.I.P. Siemens 12AX7
  193. quick, sensible solutions for amp vibrations?
  194. help with SF twin vibrato pop!!
  195. Vox AC15CC Muddy Bass
  196. Alamo Paragon amp
  197. Good quality, easily-available 6L6's for a Rambler
  198. 6L6's vs 5881's
  199. Who can tell me?
  200. Tube ID Question
  201. Diodes
  202. Amp Problem and it's Ridiculous Cause, Found
  203. Tube shields and noise/tone
  204. Measuring Cap Voltage
  205. Matched tubes and Cathode Bias?
  206. Marshall Jubilee fuse value discrepancy
  207. JTM 45 to 50 watts, can it be done?
  208. What kind of fuse for Hayseed?
  209. So you only have two pots...
  210. how to make baffle and grill cloth flush?
  211. Vintage Vox AC10 Restoration
  212. Biasing Red Knob "The Twin"
  213. Vibro Champ Gain Mods?
  214. I want 6L6GC and GZ34 without rattle!
  215. Cleaning "rosin" off a circuit board ?
  216. Preamp line out mod for a 5e3 Tweed Delux
  217. Tube sockets?
  218. Upgrading/Modding Caps on PCB amps?
  219. Builder for amp kit
  220. output tranny
  221. Replacing Vibrosonic/Twin Reverb Filter Caps
  222. Did I offend some one here or what?
  223. Heritage Colonial Power Tube Choices?
  224. JJ 6v6s: Clip later than others?
  225. Reverb tank in a fender bandmaster
  226. KT 88 vs. 6550?
  227. Voltage rant....GRRRR
  228. A/C power cords
  229. Electro Harmonix 6550 Biasing ?
  230. Anyone try different power tubes in Orange RV50?
  231. Does the Orange RV50 high/low switch actually make much difference???
  232. Please Help Me Fix My Dirty Channel
  233. ampeg sb-12 problems
  234. Comet 20: Do I need to change rectifier tube?
  235. Same speakers but different ohms
  236. Bad tube?
  237. Fender RCA 2 button footswitch
  238. Silverface Champ
  239. Basic wattage question
  240. What's with this "fizz" I'm getting on my ol' Plexi?
  241. Ever clean amp grill cloth with good results
  242. Help!! Is my amp dying?
  243. Mesa Trem-O-Verb help question
  244. Power tubes as pre-amp tubes
  245. Gretsch 6162
  246. MAZ 38 died, but in a weird way...
  247. Tubing/Biasing Nightmare...FOR THE LOVE OF ALL THINGS GOOD, HELP ME!!!!
  248. Broken input jack
  249. Preamp tube advice?
  250. amp buzzes when running stereo. what causes this?