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 44

  1. Midrange notches of popular amps?
  2. Bendix 6106/5Y3WGT vs. generic 5Y3GT
  3. Noob speaker question for an Allen Accomplice
  4. Weber speakers... No mounting screws?
  5. Who makes AES trannys?
  6. New Marshall JVM410H eating up Tung Sol 12AX7s!
  7. looking for amp tech in the MD/DE/PA area
  8. Matchless HC-30 problem - my tech is stumped
  9. does a repro faceplate (for Fender blackface) need to be glued-on?
  10. 2 separate 1x12 cabs - 8 Ohm each - 16ohm
  11. Gain control, that really controls gain
  12. PPIMV and Power Scaling
  13. hum - fixed it mostly, but minor idiosyncratic problem remains
  14. 2x12 cab wired at 4, 8 or 16 ohms...any difference tonewise?
  15. Adding "Loop Return" to Amp
  16. Bandmaster 5e7 excessive hum
  17. how to bias a hotrod deluxe
  18. Tools to Troubleshoot an Old Tube Amp???
  19. Putting a PC Fan in Amp: Help Needed
  20. Need help diagnosing a Marshall guys...John Philips?
  21. Acitive effects loop VS. passive
  22. Alright... I'm stumped.
  23. Oil & paper caps?
  24. What's a Marshall Silver Jubilee supposed to look like inside?
  25. AC30cc1 problems...almost no volume from either channel..
  26. SS Rectifier Question...
  27. vintage jensen question
  28. A (Probably Simplistic) Amp Question
  29. Mission amps 5E3 deluxe weirdness!
  30. 72 SF Deluxe Reverb keeps blowing fuse
  31. SFDR: Do 6L6's NEED a SS recto...
  32. what to build 6l6
  33. Weak Reverb in Vibrolux
  34. JCM 900 Question
  35. need help with BIASin' a la Ken Fischer...
  36. Head cab, inside clearance for tubes
  37. Baffle Board: Floating vs Fixed
  38. Would a SFDR w/6L6's, weber cap, and cathode biasn'...
  39. winding specs for a power transformer for an egnater tol 100 head?
  40. What makes a solid state amp sound good?
  41. I need a part for my cab...
  42. how much will a "cap job" affect tone?
  43. ZZZZZZZZ Sound at Power up
  44. EL84's for Crate V3112...
  45. Balanced Triodes?
  46. Hiwatt DR504 adjustable bias?
  47. Okay, here's a REAL super dumb-ass question...
  48. Do these capacitors look OK to you?
  49. Carvin Legacy footswitch help please
  50. Help with part id
  51. Marshall DSL-100 blowing mains fuse
  52. does a SFDR have too much voltage to cathode bias?
  53. Kalamazoo type trem not oscillating
  54. Amp tech in Calgary, Alberta?
  55. Ampeg 7027A Power Tubes Replacement Blues
  56. Hot Rod Deville Probs.
  57. Installing Outputs
  58. Peavey transtube circuit
  59. Princeton Reverb Speaker Impedance Mismatch
  60. kt66, kt77, kt88 - what's the difference?
  61. Audio Taper pots for Blues Deluxe Reissue?
  62. Need help with mid 60's Gibson amp
  63. Speaker cone creasing...
  64. DRRI Problem - Power On, No Output
  65. Sovtek Mig 100 Bias settings??
  66. JCM 800 and the Sovtek 12AX7-LPS
  67. 68 Vibrolux Reverb Recap Caused Reverb Motorboating
  68. Tonal impact of wiring mistake
  69. Would this old Gibson scare you away?
  70. Speaker Stuck to Baffle Board
  71. Output Bias Trem + PPIMV = Problem
  72. One bad speaker, should both be replaced?
  73. silvertone 1471/airline 62-9012 amp mods
  74. Deluxe Reverb RI OT and PT help
  75. Jointed boards on solid pine cabs?
  76. Strange noises from Dual Rectifier...
  77. 67 BF Vibro Champ orig Fender Upgrades ?
  78. 5150 Incredibly Noisy???
  79. Blues Deluxe Gain Mod?
  80. First time seeing an amp tech...anything I should know?
  81. Ampeg VT-40 Help ?
  82. Jensen vs. Weber Specs
  83. Anyone have AxeFx clips w/o effects?
  84. 12ax7 tube ID
  85. help with 4th tube problem (Marshall 1959 100W bias)
  86. Determining an amp's full output wattage
  87. Transformer ID
  88. Tung Sol black plate?
  89. Today is opposite day for my amp...
  90. Grounding a BF Vibro Champ
  91. Amp techs...I need a schematic. Check this out....
  92. Tweed Cabs: What kind of pine?
  93. 12AY7 in V1 of a Marshall 50 ?
  94. Marshall 4140 Help
  95. 5F1 with a tone pot added?
  96. Bacon frying sound in amp at idle...
  97. Old Vox- Wiring Question-
  98. Trem saga. -How to adjust intensity?
  99. Tube order for Fender '64 Vibroverb Custom
  100. Ever re-cone a speaker that wasn't blown?
  101. Noisy Deluxe Reverb
  102. Vibro Champ Biasing
  103. Current EL34's
  104. New Rectifier (GZ34) Do I need to Rebias?
  105. What kind of toggle switch?
  106. Vox AC 30/6 TB re-issue noise problem
  107. What kind of tranny for a simple, active line mixer?
  108. ok, so i had my speaker cab disconnected...
  109. DRRI issue, please help
  110. Adjusting Grid voltage
  111. Great tone, bad hum
  112. Amp "overhaul" and do I need one? ! (Rivera)
  113. How to reverse bright cap mod to a DRRI???
  114. Marshall 2204, Amersican/Canadian Transformer Question
  115. Different Ohm Loads on a Shiva
  116. 68 K or 6.8 K input jack resistors on blackface Deluxe Reverb ?
  117. Has anyone modded
  118. Help -- Buzz (even when amp is off)?
  119. 2 to 3 prong conversion on BF Vibro Champ still need help please
  120. fender vibrosonic reverb - revalving
  121. Repro Princeton Faceplates?
  122. Recommend a bang-for-your-buck 5E3 kit please?
  123. Questions about (passive) Leslie speaker
  124. Impedance for Silvertone 6X10?
  125. Faceplate Restoration
  126. Orbit Electronix Info
  127. How does cathode biasing affect tone?
  128. Ceriatone Plexi 50W problems
  129. Rattling tube covers on Crate Vintage Club
  130. Louisiana amp tech
  131. preamp tube info needed
  132. anyone changed the Transformer on a 64 Vibroverb Custom?
  133. NFB cap instead of resistor? Anyone familiar...
  134. Blew a filter cap need advice or info
  135. Bogner Question
  136. Vibro Champ Mods???
  137. '63 Tremolux - is the original transformer multi-tap?
  138. John Phillips???
  139. Is it worth reconing an old Oxford?
  140. 5150 effects loop question?
  141. series/parallel cab into series OR parallel ext. jack?
  142. '57 Tweed Twin RI vs. Weber 5E8A kit
  143. 4x12 into 2 2x12 cabs
  144. Build quality on new vs. old Peaveys?
  145. Power Amp phase splitter tube question
  146. 6G6 Kit? Studio Outboard Gear Kits?
  147. Transformers v. Rectifier Tube
  148. Tolex for Amp project
  149. amp tech's in ct?
  150. speaker magnet recycling?
  151. EL84 tube rattles at certain FREQ
  152. What's your favorite new production 5AR4/GZ34?
  153. What circuit revision for '79 pro reverb? And some gut shots
  154. NOS tube issues in Dr. Z z28
  155. Solid Core vs Stranded?
  156. Tube porn
  157. HUM in a newer Marshall JCM 2000 (or is it DSL)
  158. 4 tubes, then 2 tubes, then 1 tube
  159. tube amp troubles
  160. Power Tubes in Old Gibson Skylark
  161. Red Plate Special
  162. 1972 Fender bassman ten amp
  163. DRRI light dimming power loss problem!!
  164. Vibro-King screen resistor
  165. Super champ reverb noise?
  166. Randall RG100ES diode (CFH) mod?
  167. Sovteks Failing...Again?
  168. Speakers for 64 vibroverb
  169. Please recommend a noise filter that works!
  170. Impedience matching for blackface bandmaster
  171. Supplier for tolex, grill cloth, and piping?
  172. My weird, vintage, rare amp
  173. Can you diagnose this problem?
  174. Trouble Finding Some Tubes
  175. source for Matchless style lamp holders?
  176. Need insight: "Fancy" cabinet design
  177. Mullard (matsushida {sp?}) 12AX7
  178. Adding a line "in" ?
  179. Mullard manufacture videos and more
  180. Salvaged Univox - now what?
  181. Amp builders/designers - please critique my circuit
  182. 5u4 Rectifier in Brownface Princeton?
  183. fx loop in a 5g9 tremolux clone
  184. Easy to punch chassis?
  185. Can someone help me ID these tubes
  186. 5E7 Checkout
  187. Express schematic
  188. 8 ohm +16 ohm in a 2x12
  189. What Makes Amps Out Of Phase?
  190. Adjust ohmage when pulling power tubes?
  191. Speaker impedence help.
  192. Fender Blues Deluxe Cutting Out?
  193. Noisey Reverb?
  194. To all you amp techs out there....
  195. Tube Amp probelm...must fix by tomorrow!!! (video included)
  196. Ampeg B-25 Amp Problems
  197. you gotta see this...
  198. V32 cathode resistor change
  199. 100 watt VS. 50 watt by removing tubes
  200. 70s Pro Reverb: noisy click on of vibrato
  201. 12AY7 vs 12AU7
  202. amp clone buyer's guide
  203. shielding a pedal
  204. Bias for Tung Sol 5881
  205. Custom Chassis Fabricators? Anyone??
  206. Question about resistor tolerance ratings
  207. Tube amp design relative to tube manufacturers
  208. 5U4 versus GZ34 (5AR4)?
  209. no sound at all in marshall jmp
  210. Marshall Help
  211. Amp techs, what are your labor rates? What would you charge?
  212. what's your opinon on using HexFred diodes in tube amps?
  213. Amperex Bugle Boy 12AX7 anybody use them?
  214. PR + Emi Red fang?
  215. Digitech gsp 2101 locked up????
  216. Amp tech in Cincinnati
  217. Princeton Reverb Experts?
  218. Metal Oxide vs Carbon Film for screen grid resistor
  219. slave out?
  220. Question about safe practices... (bias voltage)
  221. Cabinet Impedance?
  222. New Tung-Sol 12ax7
  223. OT swapping info
  224. Laney AOR 50watt model 1045
  225. Use guitar cable from head to cabinet?
  226. anyone near Milwaukee??? I need someone to fix my amp.
  227. Chassis source: FOUND ONE!
  228. wire strippers for teflon wire?!?
  229. Champ with 8ohm Tone Tubby
  230. Vintage Tung-Sol blackplate 12AX7s out there?
  231. pt for '66 super reverb bf
  232. "British Champ" w/ Power Scaling, Which Builders?
  233. How do you rebias a Bruno Cowtipper 22?
  234. Polytone Broke!
  235. channel selection of a 6505+ via midi?
  236. Amp/Channel Switching
  237. Whine - Bluesbreaker - and Pedal Question
  238. Power Amp Damage??? Help Please.
  239. Powering Orange Cabs w/ Fender Hot Rod ???
  240. Tube Tester ?
  241. Help with plexi hum.
  242. Safe to mix speakers in a series wired cab?
  243. About mixing a 1x12 and 4x12 - does ea. cab get ½ amps power?
  244. Venus 3 manual/schematics
  245. Amp making a harsh crackle on one channel?!
  246. differences between 2 identical output transformers,one of them multi tap
  247. Twin Reverb Power Tubes...dead tube?
  248. half power load switch
  249. GE 6201 for Reverb Driver in Fender BF amps?
  250. Please help me build a parts list for 5E5A Pro