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  1. JCM900 4500 Low output, grid voltage issue
  2. Yamaha Disklavier power supply help - schematic attached
  3. Boss DR-55 Problems
  4. G&L S-500 tone circuit
  5. A few questions about the Yamaha b100 power amp and pre amp boards
  6. Anyone have DX7II FD sysex files?
  7. 1" titanium HF driver with horn for CRATE PE 15
  8. Yamaha EMX512SC power supply
  9. Diode gate for kick mic
  10. Crate GT1200H footswitch
  11. Powering different devices with single 9V AC transformer
  12. HH Scott Exeter
  13. Rane Active Crossover
  14. Saying hello
  15. Peavey CS800 keeps blowing same power transistor
  16. Presonus MP-20 mic pre
  17. REQ: Yamaha p/n VU859100 cross reference
  18. Crate GT-100H Tube Biasing
  19. Playing barefoot
  20. Yamaha EMX88 no sound
  21. Behringer DDX3216 Repair Help
  22. Mackie/Tapco Thump fault
  23. Can it be done? Electronics Engineer please?
  24. ORANGE TB1000
  25. Heat Shrink
  26. Why didn't Ampeg amps become more popular?
  27. Industry magazines
  28. Roland GR-30 Guitar Synth cap replacement
  29. Fender Deville Bias Issue
  30. Jvc rx-9v reciever
  31. Hartke LH1000
  32. Question about test points on a PCB
  33. newbie here
  34. general question on mixers
  35. DDX3216 hangs at CPU production test menu
  36. Question sound issue Kurzweil Mark 10 WN
  37. TC Helicon Play Acoustic - Identifying Rotary Encoder Specs
  38. Peavey CS800 Questions
  39. STK404-140S Question
  40. Piezo pickups
  41. Peavey Emitter Resistors
  42. Fender Acoustasonic 30 DSP Chorus
  43. Gibbs 4L reverb tank
  44. Just ordered one of these...
  45. Somethiing completely different
  46. Does anyone have a pdf of the owners manual for a Peavey RQ200?
  47. Cerwin Vega CV-900 problems
  48. Microphonic Feedback After Wax Potting
  49. '97 Ibanez SR800 Bass - Pots
  50. Silly-simple JFET (guitar) buffer
  51. JBL EVOi 324 Amp Repair
  52. Old tube amps - beyond econonical repair?
  53. Do different brands of transistors sound different?
  54. CRATE GX-15R Help
  55. Blackstar HT5 with no aux in: how Can i add?
  56. Oscilloscope, necessary tool or nearly worthless? Battling other shops
  57. Quiz: what is it?
  58. Question about Echolette Klemt NG51
  59. EQ options on a pedal
  60. Looking for peopel who know about pre-1960's tubes
  61. Transistor question
  62. Transistor question,\
  63. RCA replacement for turntable.
  64. TL072 or LF353 in a GK 250 ML amp ? Preamp in noisy ...
  65. Old radio - is this line-powered?
  66. hooking up a LED to a digital control circuit without affecting function?
  67. LED current limiting resistor
  68. Mackie Thump th15a issues
  69. Pcb design ,Good morning someone does pcb work, I want to do a budget to draw a pre
  70. Ampeg svt 4 pro ap101,ap102
  71. ampeg svt 4 pro
  72. Behringer PMP1280s bad connection to channels?
  73. '50s Bell amp power output
  74. Correct place to post about my ebay sales on MEF?
  75. Peavey Roadmaster Filament Problem
  76. flashing LED voltage question
  77. Marshall 9000 amp Channel B Way too hot
  78. Marshall JCM900 Output Issue
  79. Mesa Mark V Power Supplay Question
  80. Dreaded SVT3 Output Mistake....
  81. Fostex 812/820 MIDI Controller (8200) manual
  82. Rokit 6 g2 repaired ?
  83. Crate VC 50- New filter caps / blowing Fuse
  84. Peavey XR-1200 Vintage Powered Mixer
  85. Vox AC15C1 Reverb - seeking improvement
  86. Tape Op Magazine DIY reverb article
  87. Help with 1960's Era Amplifier Problem (Wurlitzer Model 145 Electric Piano)
  88. Leslie 130
  89. Peavey Mark III Series Speakers FH-1, MB-2, MFX-1 and Peavey XR1200 Powered Mixer
  90. Great idea... a bit pricey?
  91. roland cube 80 help
  92. Sovtek 100u Diode questions
  93. its old and outdated, is it worth messing with? Lafayette 99-5012 tube tester
  94. Fuzzy rcf art300a (mk1)
  95. Crackle in Allen & Heath PA120 Mixer
  96. Behringer xenyx2442fx, accidentally pulled cables out of plug from PSU to main board
  97. Music Man 120 2247 Low Output
  98. Finding Heater Winding Current
  99. EV ELX112P Loud popping sound after power on
  100. Fender hot rod deluxe volume loss issue
  101. peavey dual piezo broken pieces(????)
  102. best way to change voltage?
  103. Fender EXP-1 expression pedal issue
  104. Algorithms for music: real-time parameter modification
  105. Otari Status 18R Console LCD Screen Replacement
  106. RMI 300A Eletra Piano output transformer?
  107. Soundcraft Live - difference between channels
  108. Sound Tech R-15 - And Crossovers?
  109. Tremolo effect idea - already been done?
  110. Peavey XR1200
  111. Old ideas
  112. Behringer DDX3216 repair (psu problem solved, but now distorted sound)
  113. PMP3000 powermixer repair
  114. Rocktron XDC - Intermittent buzz ID?
  115. Dynacord 600 burning transistors
  116. Clamping diodes to limit crossover distortion?
  117. Modifying Elation ADJ DMX Controller Pro
  118. Help! 2 HB with p/p pots for coil cut each, + DPDT each choose which coil is cut
  119. XLR DI on valve amp, capacitor value
  120. Bell amps ground hum
  121. Help with wiring a switched 1/4'' TRS jack
  122. Behringer sl3242fx-pro dead left output
  123. DIY USB Guitar Cord
  124. Gooping Components
  125. Casio Privia PX410R
  126. transistor microphone preamp
  127. The gremlin of studio EMI
  128. Ampeg b-100R Output Short?
  129. Sano 50 WRT - convert 8417 to 6550
  130. Power amplifier safety modifications
  131. Behringer PMP6000 Power Supply psu29
  132. 1965 blackface deluxe reverb, needs help.
  133. Randall RG100es Frequency Oscillation Problem Howling Noise Troubleshoot Help
  134. DeoxIt D5 to the rescue
  135. Class II or Class 0 appliance?
  136. ampeg J-12D low volume
  137. Yamaha emx 640 output devices.
  138. Vox AC30 CC1 repair
  139. Emulating accordion bellow shake for Synth keyboards...
  140. Studiomaster EP&-N power supply question
  141. Fender 3016 powered mixer intermittent sound
  142. 3 prong cord installation
  143. Do you think software like "positive grid bias" can replace Fractal AX8 for example?
  144. Music composition on good quality FRFR system. No studio monitors!
  145. Yet another buggy Ensoniq keyboard .. SQ80 - low output
  146. pedal PSU question
  147. Zenith radio filament question
  148. Turn on an amp w/o a speaker connected?
  149. Reverb tank question..does open side up or down really matter?
  150. Design question regarding impedance
  151. Intersting fix to Vox AC15c1
  152. Soldering equipment uk
  153. AC15cc1 Effects not working.
  154. Ampeg SVT3 pro bias problem
  155. Help with circuit: Acoustic guitar preamp based on Fender
  156. Danelectro 9100 rev unit Piezo
  157. OT Diagnosis affirmation
  158. Old magazine archive
  159. In ear Monitors. Guitar cabinet behind you.
  160. Pioneer VSX-D608 Amp going into self protect mode...
  161. Tap water on cleaning sponge?
  162. Hammond C3 Organ HELP!
  163. Genz Benz GBE 600 Blown Fuses
  164. Static while recording with new mic
  165. roadhouse pickups
  166. Allen & heath xone 92, vcf problem, selfoscillating
  167. Choosing an Impedance Selector Switch
  168. Mackie 808S Ch1 Breakup Issue
  169. Epiphone Valve Senior...scratching my head
  170. Help identifying a crossover component
  171. Fender Stage 112SE BIAS setting
  172. I am having some problems with my ESQ-1.
  173. DIY Big Knob Router Advice
  174. Line 6 echo park schemo?
  175. Oddball Fader
  176. rivera pubster 45 problem
  177. Kawai P250 Upright Dig Piano
  178. Simple screen grid resistor voltage question
  179. Fender mustang ii c408?
  180. Gallien Krueger Backline 115 amp protection circuit kicking in at low levels
  181. Behringer DDX3216 - Problems with boot
  182. Super-tiny oscilloscope, xprotolab, in kit form
  183. Help with modification on analog sound effects board
  184. Fender PD-250
  185. Boss TU2/3 buffer upgrades?
  186. Japanese transistor package info, with cross-reference to JEDEC types
  187. LED's flash with music
  188. Charities and charging
  189. Technics amp SU-CH9 no power ..possible repair?????
  190. dynacord amps 600/1000/1600 repair help.
  191. Website I felt I had to share
  192. Yamaha EMX5000 no power
  193. Reducing (distance from mixing board) hiss
  194. RCF ART312A Protect mode or not?
  195. My guitar Pre-Amp stage/filtering and STM32F4
  196. The end...
  197. Rupert Neve
  198. Behringer DDX3216 Normal Power Up?
  199. Old Kustom
  200. Cheap signal tracer
  201. Fatar studio 90 plus midi NOT WORKING? HELP!
  202. jazzman37
  203. jazzman37
  204. Blackstar HT-DISTX taming
  205. Wire wound Resistor??HELP
  206. PVi8B plus Schematics
  207. help identify Crown driver transistor
  208. Anyone Know the Purpose of this Cable?
  209. Milbert amps?
  210. Allen & Heath Zed24
  211. Korg Kross-61 power problem
  212. Dynaccord Powermate 1000 MK1 Bias Problem
  213. Want to add Horn to bass amp
  214. Dum dum dum
  215. MSU Surplus
  216. Potential for abuse...
  217. korg service manual
  218. Help. Utterly confused by 3 way toggle situation
  219. korg c6500 digital piano stuck key??
  220. Wurlitzer 700 Electric Piano - testing amp
  221. DSP and mismatched PSU works....what are possible consequences?
  222. Lamp fixture causing RFI?
  223. Got Mojo?
  224. Focusrite Voicemaster Pro - overloading when turning on
  225. Fender Bassman 100 Schematic? CFA 100 model. Cant Find it?
  226. Behringer DDX3216 Probs w faders - and noise
  227. 1487 Silvertone with built-in amp questions
  228. Making a LED Music Light Box
  229. Got a Bunch of 2n1015 transistors. What to do with them?
  230. Weber Mass Lite Attenuator / Peavey Classic 100 application
  231. Weber Mass Lite Attenuator / Peavey Classic 100 application
  232. Behringer PMP3000 board
  233. Polytone 103 power troubles
  234. Crest HP-8 DC voltages detected on auxilliary outputs
  235. Looking for acoustic preamp circuit....to make high quality (Orchid style) preamp
  236. Building an AUTOMATIC MUSIC BOX - HELP!
  237. amek 9098 stepped to pot gain control conversion
  238. Real Scoop on meters for tube amp use
  239. Crest Pro 8001 Power Amp - Bad Crossover Distortion On One Channel - Ideas?
  240. Stacking overdrives/ buffer issue?
  241. Allen and heath zed fx16 no main output
  242. How this thing works?? Tim Escobedo´s Bronx Cheer
  243. Mackie MCU Pro Service Manual
  244. Flat Rate or Hourly Rates for Classic Amp Work?
  245. Subwoofer problem Mackie swa 1801
  246. Beyer TG D57c Help to identfy component!
  247. Fisher amp help please
  248. Digging Grndpas Barn - Infinity CS-3800
  249. replacement Boss DB-90 jack
  250. Advice for multimeter upgrade