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  1. Headphones on 18W Marshall
  2. Keyer Chip issues
  3. sd convertible 100w head diy preamp modules
  4. Acetone organ distorted output
  5. Tonal effect of fluctuation in 12ax7 supply voltage?
  6. Reverb replacement
  7. Guitar headphone amp with cab sim
  8. Klemt Echolette M40 Schematic
  9. Resistors Chained up/Parallel with OPT Primaries
  10. help improving cheap QFX wireless mic
  11. 1961 Silvertone Model 4722 Organ Guitar amp conversion questions
  12. playing tube amps through a generator
  13. Modding an old practice amp - switches, pots etc
  14. Stumped! 5F11 circuit owning me.
  15. Need a catch-all pin 1 solution
  16. Vermona Synthesizer troubleshooting
  17. Peavey PV-1.3K power amp repair question
  18. 12AX7 Distortion - high grid voltage?
  19. Peavey XD234 Required
  20. Peavey PV1500
  21. Replacing 3 Pin Rhodes Capacitors
  22. 6080 DC coupled guitar amp
  23. Need Help with a SWR Workingman's 12 Combo Amp
  24. Removing a humbucker increases noise?
  25. Guitar Speaker Chat
  26. I Warped Back to the 80s' hahaha
  27. Amplifying an electro acoustic guitar
  28. 6080 cascade guitar amp
  29. Blues Jr. Mods
  30. Hum immediate when powering on
  31. stomp box with low impedance output
  32. BBE 362 NR Sonic Maximizer
  33. How do I limit tube supply voltage in the event B+ rises a little?
  34. Power output from a quad of 6V6?
  35. Missing reverb tank
  36. Preamp stage is going very asymmetrical. Why?
  37. Using mic pre for bass?
  38. Marshall 2210 amp repair
  39. High voltage Ultra-Linear
  40. non-electronic question about stiffening an SG clone
  41. DIY Spring Reverb circuit for old mixer setup
  42. Preparing my first low power guitar amp build.
  43. Hypex ucd2k and smps3k input level control
  44. Non-electronic question about guitar nut
  45. Matchless Lightning inspired build
  46. Tube guitar amp w/ mosfet CCS's, or class 2 operation, etc?
  47. Cheap Chinese amp modules any good?
  48. Wanted PT2395 delay PCB, and 2395 bits
  49. Help me choose a layout
  50. noisy foot switch; is there a fix?
  51. Marshall Avg150h Problem
  52. Simmons DA200S: Power Amp PCB
  53. DIY bass cabinet with 12" driver
  54. Push-Pull fixed bias and output power question
  55. Concerns about a 54 yr old Wurlitzer vacuum tube organ & safety of old electronics
  56. Alesis Ra-100 repair help
  57. Series 6N2P-EV don't lit, no sound.
  58. Guitar electronics question
  59. Advice needed on 100 watt Plexi clone build
  60. Good tube amp for bass
  61. Marshall 9005 modification
  62. Buffer/Splitter Input Resistors Value?
  63. Input capacitors on guitar amps?
  64. Upright electric bass with amp and speakers built in.
  65. Micro bass amps, ToneHammer, littleMark, Shuttle, etc.
  66. DIY power amp suitable for bass.
  67. Anyone have experience with Delta 10's for bass speakers?
  68. Recommend me a tube pre amp for guitar
  69. Behringer A500 Supply Rail Voltage.
  70. PT from scratch for 100 W Marshall 2555 Silver Jubilee - advices and comments ...
  71. add an XLR out to an amp that doesn't have it?
  72. Help Wirring Bass Guitar on board preamp
  73. Preamp Build Questions
  74. Guitar Bass Preamp Project
  75. SM Pro Audio V-Machine fan noise
  76. Build a Sunn Model T clone. Some questions. (EU)
  77. 1955 Bogen J330 Mic Input Problem
  78. DIY preamp for amp head - general guidelines?
  79. Carvin legacy guitar amp build oscillation trouble
  80. 1954 BOGEN Bass Control
  81. Roland SRA 540
  82. HF Oscillations- How Do I Scope?
  83. Should (can) I go pentode instead of UL
  84. hiss/noise from jcm clone
  85. Guitar power amplifier MOSFET SE 5W
  86. EF86 | MIC.PRE | MODULATION | REDD | E. BARBOUR
  87. Help with a vibe amp design
  88. Hammond AO-39 and AO-35 organ to guitar power amp conversion
  89. 1955 Gibson GA-20 should replace speaker; How?
  90. Quad of EL84 Screen Resistors
  91. Phantom power preamp for microphone
  92. Need help with microphone preamp.
  93. Help choose tone stack
  94. Strat Squire pickup wiring questions
  95. Where can i find a replacement rocker switch for this guitar pedal?
  96. Behringer BX3000T Bass Head
  97. Ground currents
  98. Mann 100 PAR into guitar amp
  99. Happy so far on amp build project
  100. New Tubes For Peavey Valveking VK100
  101. Click/pop with digitally switched effects loop
  102. Using Sweep Tubes for an Amp Build
  103. Does Plate Voltage Matter?
  104. Another Layout Proof Request - Marshall JCM800
  105. ax84 P1 Extreme Based 2 Channel Amp
  106. Classic 30 ohm load
  107. Tube amp chassis layout proposal
  108. DIY Vocal Compressor. Need Help !!!
  109. going solid?
  110. Add magnetic pickup to piezo pickup and preamp.
  111. Turning my Reel-to-reel into guitar amp.
  112. Instrument amp design goals
  113. Why did Fender do this ?
  114. Guitar preamp grid bias problem
  115. Help: MG100RCD Squeels (even with no input)
  116. Breadboard Bassman with runaway bias!
  117. 70V Line Matching Transformer - Good OT substitute?
  118. 420 Watts Speaker Not Really 420 Watts?
  119. What does this triode do in circuit?
  120. Behringer A500 power transistor insulator missing
  121. Guitar Amp Design
  122. Craig Anderton Buffer Board mods
  123. Build Ideas, Suggestions
  124. Analogue Parametric EQ - Calrec Polar...
  125. 18W homemade tube amp - Need advise
  126. compression/expansion control in guitar preamp
  127. Behringer's Europower EPQ450
  128. 6gk5/6fq5 as input/preamp stage tube ?
  129. Isolation transformer question
  130. Couple Questions - Grid Stoppers and High Cut
  131. thoughts on heater wiring orientation
  132. Testing The Tube Guitar Amplifier
  133. JTM45 Bias Voltage moving around & bad distortion
  134. Connect plate after choke?
  135. blackstar stage 60 diy
  136. Question 'bout valve stompboxes
  137. 1965 Fender Deluxe Reverb - DI Connection?
  138. Buffer stage after Alembic F2b design
  139. Odd noises; guitar, environment, or amp?
  140. Fender reverb stand-alone
  141. Behringer K1800FX
  142. master volume addition - Webster Chicago W830
  143. noiseless diodes setup choice
  144. Help choose a guitar amp to build?
  145. Weirdness with virtual CT on 6V heater tap
  146. Marshall 1974X
  147. Preamp Output Transformer
  148. Traynor YCL-3 Mark III Rebuild
  149. Sunn Sceptre Style Build
  150. Pepco (Pine Electronics) 801 Chassis Isolation Mod
  151. Fender Bassman AA864 build
  152. Gulbransen Organ Resurrection -
  153. Strange voltage reading
  154. Tube Preamp (my first)
  155. Diy toroid transformers for 5E3 guitar amp?
  156. Marshall 18W TA
  157. 2002 Fender Twin Amp **Unusual Problem**
  158. Behringer NU1000 Pinout..
  159. Princeton 112+ Loose PCB Pot Shaft
  160. Greenchild Trbus Drive
  161. Can someone help me proof this layout?
  162. Laney Ironheart Irt30-112
  163. Guitar Amplifier
  164. Hot Rod Deluxe issue, need advise!
  165. Guitar amp and bass amp
  166. Amp Build Not Working Correctly....
  167. Tuning a ported guitar cab
  168. Who made these early Peavey 6L6GC
  169. Inc / Dec Stomp Box
  170. Alnico magnet heat?
  171. Peavey 260C module rare version?
  172. Pro reverb AA165 circuit low output from vibrato channel
  173. Class AB amp trouble shooting (Scope shows square not sine)
  174. *small* Bass guitar amplifier
  175. 1950 Gretsch Electromatic Artist
  176. huge voltage drop after diode rectifier
  177. Questions on open baffles speaker.
  178. behringer gx110
  179. Crown DC-300A
  180. Bassman AA-864 Preamp Question
  181. Blackstar combo 20 that squeals
  182. 6V6/6L6 Switchable Guitar Amp
  183. input impedance of output transformer gibson ga20rvt amp
  184. career change for Jensen TR10 spkr
  185. gibson ga15rvt and ga20rvt amps
  186. Vox Bass Pre-Amplifier 1201 from Venue Combo
  187. Park By Marshall just a quiet fuzz
  188. why does 1 amp run hotter than another
  189. Guitar tube Pre-amp
  190. Power supply and transformer - good pair? (Hexaphonic guitar box)
  191. Mosfet driver
  192. Mullard 5-10 for guitar ?
  193. Help me modify Peavey Blazer Amp
  194. Guitar amp screen resistor selection
  195. Rotary Speaker Cabinet Project
  196. General bass amp questionnaire
  197. Looking for someone to build an acoustic guitar preamp for me
  198. any tank circuit calculator?
  199. wires on an old humbucker
  200. LEM Baby Tape Echo PSU
  201. dual-tube SE
  202. 4-ohm 212 L-Pad
  203. Replacing Power Amp in Fender FM212R
  204. built a Sunn 2000S copy
  205. Heathkit A7 amp tube lineup
  206. Bass guitar wiring
  207. hybrid amp question
  208. New Bass Rig
  209. capacitor question
  210. ampeg ss70c 2x10 guitar amp
  211. Super Reverb AA270 reverb weak
  212. Uber Newb needs ideas for Cheap Bass Amp
  213. Fender PA100 - smoke -> no sound
  214. Dynacord Eminent II Biasing and tube change
  215. Hypex UcD2kOEM Bass Power Amp Project
  216. XLR Mixer Output to 1/4" Mono Amp Input
  217. Modify Bell 3030 into a stereo guitar amp project
  218. 'distortion' knob in schematic
  219. Easy HPF for bass cab?
  220. Ampex 620 For Use As Guitar Amp
  221. potentiometer for blackface deluxe reverb
  222. +/-floating tube PSU for guitar ?! Schematic error ?
  223. Amplifiers that exceed grid leak resistance
  224. Trace-Elliot Bipolar Bear
  225. Peavey PA-100 repair question
  226. Digital volume control for instrument level signal
  227. Finished my Tube DI/Preamp
  228. Question about Green Ringer ring modulator
  229. Home theatre subwoofer amp project
  230. Troubleshooting a Fender Champion 600
  231. Hammond M all ocal amp
  232. Discrete Compressor pedal design
  233. Need replacement speaker advice for 4X12
  234. I fried the mp3 input of my Roland Cube 40 xl
  235. Unity gain power amplifier for guitar
  236. Roy Blankenship at work
  237. The Mighty MKS-20 - What I've learned
  238. Crate GX 130c
  239. A Preamp doesn't work well!! (distortion)
  240. Draining a can cap
  241. Ampalanche
  242. Ace Tone Elite
  243. Power-booster power amp section for champ
  244. Need Ideas of what to do with 50+ tip36 PNP transistors
  245. '65 bassman ab165 hiss
  246. Silvertone Organ amp conversion
  247. Mesa Subway Rocket burned up! Help!
  248. Palmer Drei (Parallel SE w/mismatched output tubes)
  249. Fuzz Face circuit with unusual Ge PNP transistors
  250. recycling old tech to make an amp

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