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  1. Tube Amp (Rivera guitar amp) repair gone wrong
  2. Impedance matching for DI to Mic Pre
  3. Guitar Amp EQ Control Problems
  4. Pine model 203 Tube Amp - hot chassis grounding question
  5. Question about a resistor in my amp.
  6. 18-Watter with EF86
  7. Roland FA-76 Problem!!
  8. Old guitar amp question
  9. Amps... where to start?
  10. Guitar amp first stage voltage 100 or 250 volts
  11. OT Master volume
  12. Pickup wiring/inductance/output questions
  13. Small change in pitch
  14. Help needed with direct output (DI) for bass amp
  15. 12DW7/7247 wired parallel
  16. Rat Problem tonepad
  17. Simple Idea of "Fully" Digital Microphone and Guitar
  18. JCM 800 2204 PT issue
  19. Record Amp High Level out to Computer
  20. 4x10 cabinet - ported or sealed?
  21. CARLSBORO COBRA BASS COMBO (15INCH SPEAKER)
  22. LANEY DP150 AMP/DP-11 PREAMP SET-UP
  23. Peavey Renown Solo Series?
  24. Historic Harmonica Amplifier
  25. diy amp + iphone = Ultimate amp!
  26. Van Halen brown sound
  27. power transformer specs
  28. Please help me wire my guitar cab. (stereo/mono)
  29. Guitar preamp / external pickup selector
  30. Bass Amp Help (Carvin MB10)
  31. Blackheart BH1 SCHEMATIC.
  32. Does anybody have a buffered magnetic pickup blend schematic?
  33. Fender FM 212 popping sound when switching off
  34. lm386 as preamp.
  35. Isolation Cabinet for guitar
  36. an effects loop instead the spring reverb ?
  37. bass guitar long term power spectra for setting biamp xover
  38. whats the trick to a great sounding bass guitar speaker?
  39. Issue w/ DIY tube amp build
  40. Lambda TD15H for bass guitar speaker
  41. Amp sounds better at 45 degree angle ...
  42. Fender low voltage power supply
  43. Stradivarius: in blind testing, virtuoso violin players can't pick them out
  44. GK 800RB Schematics for initial plus 2 redesigns
  45. 12" feild coil speaker "WOW"
  46. Charge Amplifier Guitar Preamp questions
  47. speaker ideas for FRFR rigs?
  48. gallien krueger 800rb - confusion over replacement pots
  49. fx loop on 5E3 clone
  50. help with oscillation problem - bass amp
  51. interface for hifi amp ?
  52. DIY Champ amp oscillation problem
  53. Big Champ head
  54. im new to repairing guitar amps
  55. Ampro
  56. Rewiring a Leslie 125 amp into what?
  57. Synthesizer ribbon cable
  58. Guitar amp
  59. Gibson guitar amp tremolo oscillator - nada
  60. Is a Fuzz Face a common-emitter or common-collector circuit?
  61. Identifying Microphone
  62. marshall 9200
  63. pevey basic 60 bass amp
  64. Guitar preamp for LM3886
  65. SE 50c5 amp for guitar
  66. Fuzz Face
  67. Ampeg B500DR bass head solid state
  68. Problem with amp hum/buzz
  69. LINE OUT 5e3 clone help please
  70. David Gilmour Guitar Sound
  71. David Gilmour Guitar Sound
  72. Help with guitar tube preamp/DI
  73. Driver for chip guitar amp
  74. Does this amp contain passive PFC?
  75. Tube FX loop?
  76. Tuner out and mute help/tips
  77. JEI V30 amp
  78. DIY MIDI Keyboard (Remodeling!)
  79. Can someone explain to me this? Please Help
  80. grit and buttery sounds in speaker
  81. Update on my Violater design
  82. Guitar with built in amp and speaker
  83. New Problem with Fender Frontman 212R
  84. Class AB Push-Pull
  85. Guitar SE Amplifier with 6H
  86. First amp build filter cap qustion...
  87. Small and loud guitar amp?
  88. OTL guitar amp...
  89. Recomended power amplifier module
  90. One off guitar amp 2
  91. 12AX7 cathode resistor values
  92. 59 Fender Bassman
  93. Distortion pedal build
  94. 6L6GB Load Line
  95. Open backed (dipole) cabinet for bass guitar
  96. Blackheart BH5H rebuild
  97. Framus Cobra PCB
  98. Minibrute IV - Pot meters
  99. AX84 kits
  100. Here's a one in a lifetime chance for a bargain!
  101. Hall VVR in an AC4TV
  102. is this schematic ok? :D Lee Jackson content
  103. Marshall JCM900 2500 preamp
  104. Tube Guitar amp, dummy load - Advice needed!
  105. Does this amp consume >75W of real power?
  106. Piezo preamp for piezo bridge
  107. Class D amps vs Valve amps?
  108. Does this amp use a switch mode power supply?
  109. Real bass amps have tubes – semiconductors are musical director trainees
  110. belcat tube h50r mods
  111. A Pair of Peavey Perplixities
  112. Guitar Spring Reverb Driver
  113. wicker grill material?
  114. gibson ga79rtv
  115. line level tube overdrive ?
  116. Guitar amp loudspeaker(s) enclosure
  117. Spring Reverb driver mod. required
  118. Humming from Amp with/without input
  119. DIY guitar to iPad/iPhone adapter
  120. hifi speakers for a tiny guitar cab?
  121. Dalek voice ring mod anyone?
  122. Reverb springs
  123. Good starting gain for an instrument preamp input stage--do I have this right?
  124. 60 watt 6l6 tube amp, too muddy...why?
  125. peavey 5150/6505/6505+ HT
  126. Best tube combo for an electric bass..
  127. Upside Down Tube Amp
  128. Guitar speaker cabinet plans?
  129. Failing Marshall 8080
  130. Reduced Output Level from a Dynamic Mic
  131. I need an explanation.
  132. RCA 6L6GB in Fender Vibro King
  133. Looking for very small and simple variable bass boost
  134. Weird sounds coming from bass guitar
  135. Webcor conversion, odd distortion
  136. fat/boost switch
  137. Novice needs advice: building a suitcase amp
  138. my 'Bass guitar amp'
  139. 4x6 guitar speakers
  140. Music man transformer
  141. Clone a Fender Vibrolux Reverb?
  142. Triode Emulator: calculations
  143. Speaker Size
  144. Yamaha SK10 schematic request please
  145. Need to modify this low impedance input to allow guitar pickups in?
  146. Watery sound in a guitar amp
  147. a Fender bassman amp question
  148. Traynor YCV15Blue - adding bias adjustment
  149. How do I make a dual supply op amp circuit run on 9V battery?
  150. Footswitch for Ibanez Promethean
  151. Keyboard output circuit - stereo/mono
  152. Vox AC15 project
  153. negative feedback
  154. solid state amp project on trademark 30-please help
  155. Modifying in-built distortion: transistors in an op-amp feedback loop?
  156. Suggestions on driver stages for big tube MI amps.
  157. Switchable Hi-Z input impedance, how ?
  158. EV 1.5kW Amp Not Powering Up
  159. Dynamix mixing desk PSU missing
  160. Scratchy sound
  161. Scratchy sound
  162. Guitar amp loadline - check my work?
  163. DIY Boss DS-1 Mod
  164. GK 200RCB Schematics
  165. rotary switch for different cathode resistors
  166. Want less distortion in guitar amp- 12au7?
  167. (DIY) 3.5mm jack adapter to 2.5mm output
  168. DIY microphone project
  169. speaker recommedations
  170. Problem with high voltage in 5e3 build
  171. take apart marshall guv'nor +
  172. what part of this schedule is bypass related and can be removed?
  173. BOSS ML-2 CLONE???
  174. Piezo Pickup Experiment
  175. Wish to buy Guitar Amplifier
  176. power supply voltage
  177. Balanced hi-Z buffer/preamplifier - will this opamp circuit work?
  178. Need help selecting a Bass Guitar amplifier
  179. Buffered output??
  180. DIY 5 Watt SE Guitar amp kit
  181. Home build 6L6 pp amp no sound
  182. Transistor exchange?
  183. current queries ?
  184. Stereo guitar effects, who's it work?
  185. HH guitar combo, 2*12" schematic
  186. Random Loud Spurting Sound coming from my amp
  187. Anybody got a good design for a JBL D130?
  188. reverb transformer question
  189. Guitar preamp to LINE IN
  190. building New amp
  191. 2A3 Guitar Amp Project - in need of guidance.
  192. Marshall JCM 800 noise
  193. Fender Tube Amp and Mismatched Speakers
  194. Tube amp / Leslie speakers
  195. Problem with Peavey amplifier
  196. Albert Kreuzer 2/28/1960 - 4/7/2011
  197. Experimental virtual synth and plug-ins
  198. Need Help, Info On A Wurlitzer Amp Mod# 507
  199. Problem with Champ build
  200. making my own basse guitar amp
  201. BOSS GE-7 NEW
  202. Acceptable Noise Levels?
  203. Need advice to create my own fuzz
  204. Wannabe electronics geek
  205. Channel switching options ??
  206. guitar amp speaker recommendations
  207. Bass Guitar Amp with GU81 M
  208. Preamp for LR Baggs M1
  209. 5E3 Tweed build problems
  210. Microphone for guitar/singing
  211. metal speakers?
  212. Advice: medium power bass guitar amp/speakers
  213. Loud Class D guitar amplifier wanted
  214. ecc83 guitar pre-amp hum
  215. marmac valve head
  216. Blown Bluesbreaker
  217. How can I do this...
  218. Marshall AVT100 Burned Resistor
  219. Preamp for bass guitar
  220. Fender Twin low power and distortion
  221. Da Crusher - Champ on steroids
  222. high pitched squeal from tube amp
  223. Buffer preamp tone issue - advice wanted!
  224. Better guitar distortion, DIY ;-)
  225. Audioxpress Peavey upgrade article?
  226. The Hundred-Buck Amp Challenge
  227. DPDT switch problem
  228. Adapter with amp and mp3 input to headphones
  229. 1 Tube 1 Watt Guitar Amp
  230. Converting RTAS Plugins for use on a Hardware Sound Module
  231. Suggestions for guitar jazz amp
  232. arp pro/dgx power supply cap replacement
  233. Need recommendations for DIY small guitar amp
  234. Reverse engineering a tube 50's Clavioline Synth hook up
  235. Need Fender SR8500 Schematics Powered Mixer
  236. Turning Line 6 POD 2.0 into a practice amp
  237. Interesting sign
  238. new amp head, just getting some feedback
  239. Matchless hotbox clone--->dual-channel options
  240. NFB for push pull guitar amp
  241. Help with dust cover re-gluing
  242. Bassman 5F6-A extreme oscillation
  243. Vintage Japanese tempo 35w4-50c5-12au6 help
  244. Anybody else here build or modify tube guitar amps?
  245. Good Buffer/Preamp circuit for electret mic
  246. solid state guitar amp project?
  247. What do Celestion G12 speakers sound like?
  248. mec 3 band eq
  249. Schematic Request for Crate TG10R Guitar Amp
  250. Guitar Cabinet Making