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  1. Latest pruchase Marshall 100HDFX
  2. Suitcase Amp Volume Pot
  3. EQ vs Tone Stack
  4. Dynacord DA15/V Schmatic wanted
  5. Marshall 200 Watt "PIG" Build
  6. Where to put the tone stack?
  7. DIY AC15 AC50 normal and top boost channels Tremolo not working
  8. Pignose 7-100 Mods
  9. solid state and tube in parallel (like a bizarro roland jazz chorus)?
  10. What does that resistor do..?
  11. Orange and Other Amp Design Features
  12. GE 5 Star and Other High Reliability Tubes
  13. Cobalt Twin Amp Design
  14. Calculating plate load impedance with a mixing resistor
  15. 12AX7 Switched Listening Test
  16. Remove Silicon Clippers, Start stacking opamps/only LED clippers are accetable.
  17. ecc83 vs 6sl7 any old tricks?
  18. Fender Hot Rod Deville 410 Reissue Clean Up
  19. Piezo Pick Up and Pre Amp Project...
  20. webcor 2611 morph into practice amp
  21. Fender FM212 - Deluxe 90 PowerAmp problems
  22. Troubleshooting Power Amp/Output of a Fender Deluxe 90
  23. EVH 5150 III
  24. mod for microphone input ?
  25. Philco Tube Radio Guitar Amp Project
  26. 90's Ampeg Reverberocket Reissue Speakers
  27. Converting a vintage electret condenser to phantom power
  28. You'll likely learn something watching this....
  29. Troubleshooting my Ashdown head
  30. Newcomb pathfinder PA into guitar amp
  31. 6X4 or EZ81 rectifiers in a guitar amp
  32. Ampeg B15 preamp: Drive balanced transformer from PI?
  33. Need assistance with a bad Sunn Beta Lead
  34. Viking RP61 tube preamp into Mic preamp?
  35. Latest purchase
  36. A transformer as an effect
  37. Connecting Guitar Tube Amp to External Line Match Audio Step Up Transformer
  38. New amp build, initial thoughts?
  39. Beginner Load Line Question
  40. Headphones on 18W Marshall
  41. Keyer Chip issues
  42. sd convertible 100w head diy preamp modules
  43. Acetone organ distorted output
  44. Tonal effect of fluctuation in 12ax7 supply voltage?
  45. Reverb replacement
  46. Guitar headphone amp with cab sim
  47. Resistors Chained up/Parallel with OPT Primaries
  48. help improving cheap QFX wireless mic
  49. Modding an old practice amp - switches, pots etc
  50. Stumped! 5F11 circuit owning me.
  51. Need a catch-all pin 1 solution
  52. Vermona Synthesizer troubleshooting
  53. 12AX7 Distortion - high grid voltage?
  54. Peavey XD234 Required
  55. Replacing 3 Pin Rhodes Capacitors
  56. 6080 DC coupled guitar amp
  57. Need Help with a SWR Workingman's 12 Combo Amp
  58. Removing a humbucker increases noise?
  59. Guitar Speaker Chat
  60. I Warped Back to the 80s' hahaha
  61. Amplifying an electro acoustic guitar
  62. 6080 cascade guitar amp
  63. Hum immediate when powering on
  64. stomp box with low impedance output
  65. BBE 362 NR Sonic Maximizer
  66. How do I limit tube supply voltage in the event B+ rises a little?
  67. Power output from a quad of 6V6?
  68. Missing reverb tank
  69. Preamp stage is going very asymmetrical. Why?
  70. Using mic pre for bass?
  71. Marshall 2210 amp repair
  72. High voltage Ultra-Linear
  73. non-electronic question about stiffening an SG clone
  74. DIY Spring Reverb circuit for old mixer setup
  75. Preparing my first low power guitar amp build.
  76. Hypex ucd2k and smps3k input level control
  77. Non-electronic question about guitar nut
  78. Matchless Lightning inspired build
  79. Tube guitar amp w/ mosfet CCS's, or class 2 operation, etc?
  80. Cheap Chinese amp modules any good?
  81. Wanted PT2395 delay PCB, and 2395 bits
  82. Help me choose a layout
  83. noisy foot switch; is there a fix?
  84. Simmons DA200S: Power Amp PCB
  85. DIY bass cabinet with 12" driver
  86. Push-Pull fixed bias and output power question
  87. Concerns about a 54 yr old Wurlitzer vacuum tube organ & safety of old electronics
  88. Alesis Ra-100 repair help
  89. Series 6N2P-EV don't lit, no sound.
  90. Guitar electronics question
  91. Advice needed on 100 watt Plexi clone build
  92. Buffer/Splitter Input Resistors Value?
  93. Input capacitors on guitar amps?
  94. Upright electric bass with amp and speakers built in.
  95. Micro bass amps, ToneHammer, littleMark, Shuttle, etc.
  96. DIY power amp suitable for bass.
  97. Anyone have experience with Delta 10's for bass speakers?
  98. Recommend me a tube pre amp for guitar
  99. add an XLR out to an amp that doesn't have it?
  100. Help Wirring Bass Guitar on board preamp
  101. Preamp Build Questions
  102. Guitar Bass Preamp Project
  103. SM Pro Audio V-Machine fan noise
  104. Build a Sunn Model T clone. Some questions. (EU)
  105. DIY preamp for amp head - general guidelines?
  106. Carvin legacy guitar amp build oscillation trouble
  107. 1954 BOGEN Bass Control
  108. HF Oscillations- How Do I Scope?
  109. Should (can) I go pentode instead of UL
  110. hiss/noise from jcm clone
  111. Guitar power amplifier MOSFET SE 5W
  113. Help with a vibe amp design
  114. Hammond AO-39 and AO-35 organ to guitar power amp conversion
  115. 1955 Gibson GA-20 should replace speaker; How?
  116. Quad of EL84 Screen Resistors
  117. Phantom power preamp for microphone
  118. Help choose tone stack
  119. Strat Squire pickup wiring questions
  120. Where can i find a replacement rocker switch for this guitar pedal?
  121. Behringer BX3000T Bass Head
  122. Ground currents
  123. Mann 100 PAR into guitar amp
  124. Happy so far on amp build project
  125. Click/pop with digitally switched effects loop
  126. Using Sweep Tubes for an Amp Build
  127. Does Plate Voltage Matter?
  128. Another Layout Proof Request - Marshall JCM800
  129. ax84 P1 Extreme Based 2 Channel Amp
  130. Classic 30 ohm load
  131. Tube amp chassis layout proposal
  132. DIY Vocal Compressor. Need Help !!!
  133. going solid?
  134. Add magnetic pickup to piezo pickup and preamp.
  135. Turning my Reel-to-reel into guitar amp.
  136. Instrument amp design goals
  137. Why did Fender do this ?
  138. Guitar preamp grid bias problem
  139. Help: MG100RCD Squeels (even with no input)
  140. Breadboard Bassman with runaway bias!
  141. 70V Line Matching Transformer - Good OT substitute?
  142. 420 Watts Speaker Not Really 420 Watts?
  143. What does this triode do in circuit?
  144. Guitar Amp Design
  145. Craig Anderton Buffer Board mods
  146. Build Ideas, Suggestions
  147. 18W homemade tube amp - Need advise
  148. compression/expansion control in guitar preamp
  149. 6gk5/6fq5 as input/preamp stage tube ?
  150. Isolation transformer question
  151. Couple Questions - Grid Stoppers and High Cut
  152. thoughts on heater wiring orientation
  153. Testing The Tube Guitar Amplifier
  154. JTM45 Bias Voltage moving around & bad distortion
  155. Connect plate after choke?
  156. blackstar stage 60 diy
  157. Question 'bout valve stompboxes
  158. 1965 Fender Deluxe Reverb - DI Connection?
  159. Buffer stage after Alembic F2b design
  160. Odd noises; guitar, environment, or amp?
  161. Fender reverb stand-alone
  162. master volume addition - Webster Chicago W830
  163. noiseless diodes setup choice
  164. Help choose a guitar amp to build?
  165. Weirdness with virtual CT on 6V heater tap
  166. Marshall 1974X
  167. Preamp Output Transformer
  168. Traynor YCL-3 Mark III Rebuild
  169. Sunn Sceptre Style Build
  170. Pepco (Pine Electronics) 801 Chassis Isolation Mod
  171. Fender Bassman AA864 build
  172. Gulbransen Organ Resurrection -
  173. Strange voltage reading
  174. Tube Preamp (my first)
  175. Marshall 18W TA
  176. 2002 Fender Twin Amp **Unusual Problem**
  177. Princeton 112+ Loose PCB Pot Shaft
  178. Greenchild Trbus Drive
  179. Can someone help me proof this layout?
  180. Laney Ironheart Irt30-112
  181. Hot Rod Deluxe issue, need advise!
  182. Guitar amp and bass amp
  183. Amp Build Not Working Correctly....
  184. Tuning a ported guitar cab
  185. Who made these early Peavey 6L6GC
  186. Inc / Dec Stomp Box
  187. Alnico magnet heat?
  188. Class AB amp trouble shooting (Scope shows square not sine)
  189. *small* Bass guitar amplifier
  190. 1950 Gretsch Electromatic Artist
  191. huge voltage drop after diode rectifier
  192. Questions on open baffles speaker.
  193. Crown DC-300A
  194. Bassman AA-864 Preamp Question
  195. Blackstar combo 20 that squeals
  196. 6V6/6L6 Switchable Guitar Amp
  197. input impedance of output transformer gibson ga20rvt amp
  198. career change for Jensen TR10 spkr
  199. gibson ga15rvt and ga20rvt amps
  200. why does 1 amp run hotter than another
  201. Guitar tube Pre-amp
  202. Power supply and transformer - good pair? (Hexaphonic guitar box)
  203. Mosfet driver
  204. Mullard 5-10 for guitar ?
  205. Rotary Speaker Cabinet Project
  206. General bass amp questionnaire
  207. Looking for someone to build an acoustic guitar preamp for me
  208. any tank circuit calculator?
  209. wires on an old humbucker
  210. LEM Baby Tape Echo PSU
  211. dual-tube SE
  212. 4-ohm 212 L-Pad
  213. Replacing Power Amp in Fender FM212R
  214. built a Sunn 2000S copy
  215. Heathkit A7 amp tube lineup
  216. Bass guitar wiring
  217. hybrid amp question
  218. New Bass Rig
  219. capacitor question
  220. ampeg ss70c 2x10 guitar amp
  221. Super Reverb AA270 reverb weak
  222. Uber Newb needs ideas for Cheap Bass Amp
  223. Fender PA100 - smoke -> no sound
  224. Dynacord Eminent II Biasing and tube change
  225. Hypex UcD2kOEM Bass Power Amp Project
  226. XLR Mixer Output to 1/4" Mono Amp Input
  227. Modify Bell 3030 into a stereo guitar amp project
  228. 'distortion' knob in schematic
  229. Easy HPF for bass cab?
  230. Ampex 620 For Use As Guitar Amp
  231. Amplifiers that exceed grid leak resistance
  232. Trace-Elliot Bipolar Bear
  233. Peavey PA-100 repair question
  234. Digital volume control for instrument level signal
  235. Question about Green Ringer ring modulator
  236. Home theatre subwoofer amp project
  237. Hammond M all ocal amp
  238. Discrete Compressor pedal design
  239. Need replacement speaker advice for 4X12
  240. I fried the mp3 input of my Roland Cube 40 xl
  241. Roy Blankenship at work
  242. The Mighty MKS-20 - What I've learned
  243. Crate GX 130c
  244. A Preamp doesn't work well!! (distortion)
  245. Draining a can cap
  246. Ampalanche
  247. Ace Tone Elite
  248. Power-booster power amp section for champ
  249. Need Ideas of what to do with 50+ tip36 PNP transistors
  250. '65 bassman ab165 hiss

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