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  1. Missing reverb tank
  2. Preamp stage is going very asymmetrical. Why?
  3. Using mic pre for bass?
  4. Marshall 2210 amp repair
  5. High voltage Ultra-Linear
  6. non-electronic question about stiffening an SG clone
  7. DIY Spring Reverb circuit for old mixer setup
  8. Preparing my first low power guitar amp build.
  9. Hypex ucd2k and smps3k input level control
  10. Non-electronic question about guitar nut
  11. Matchless Lightning inspired build
  12. Tube guitar amp w/ mosfet CCS's, or class 2 operation, etc?
  13. Cheap Chinese amp modules any good?
  14. Wanted PT2395 delay PCB, and 2395 bits
  15. Help me choose a layout
  16. noisy foot switch; is there a fix?
  17. Marshall Avg150h Problem
  18. Simmons DA200S: Power Amp PCB
  19. DIY bass cabinet with 12" driver
  20. Push-Pull fixed bias and output power question
  21. Concerns about a 54 yr old Wurlitzer vacuum tube organ & safety of old electronics
  22. Alesis Ra-100 repair help
  23. Series 6N2P-EV don't lit, no sound.
  24. Guitar electronics question
  25. Advice needed on 100 watt Plexi clone build
  26. Good tube amp for bass
  27. Marshall 9005 modification
  28. Buffer/Splitter Input Resistors Value?
  29. Input capacitors on guitar amps?
  30. Upright electric bass with amp and speakers built in.
  31. Micro bass amps, ToneHammer, littleMark, Shuttle, etc.
  32. DIY power amp suitable for bass.
  33. Anyone have experience with Delta 10's for bass speakers?
  34. Recommend me a tube pre amp for guitar
  35. Behringer A500 Supply Rail Voltage.
  36. PT from scratch for 100 W Marshall 2555 Silver Jubilee - advices and comments ...
  37. add an XLR out to an amp that doesn't have it?
  38. Help Wirring Bass Guitar on board preamp
  39. Preamp Build Questions
  40. Guitar Bass Preamp Project
  41. SM Pro Audio V-Machine fan noise
  42. Build a Sunn Model T clone. Some questions. (EU)
  43. 1955 Bogen J330 Mic Input Problem
  44. DIY preamp for amp head - general guidelines?
  45. Carvin legacy guitar amp build oscillation trouble
  46. 1954 BOGEN Bass Control
  47. Roland SRA 540
  48. HF Oscillations- How Do I Scope?
  49. Should (can) I go pentode instead of UL
  50. hiss/noise from jcm clone
  51. Guitar power amplifier MOSFET SE 5W
  52. EF86 | MIC.PRE | MODULATION | REDD | E. BARBOUR
  53. Help with a vibe amp design
  54. Hammond AO-39 and AO-35 organ to guitar power amp conversion
  55. 1955 Gibson GA-20 should replace speaker; How?
  56. Quad of EL84 Screen Resistors
  57. Phantom power preamp for microphone
  58. Need help with microphone preamp.
  59. Help choose tone stack
  60. Strat Squire pickup wiring questions
  61. Where can i find a replacement rocker switch for this guitar pedal?
  62. Behringer BX3000T Bass Head
  63. Ground currents
  64. Mann 100 PAR into guitar amp
  65. Happy so far on amp build project
  66. New Tubes For Peavey Valveking VK100
  67. Click/pop with digitally switched effects loop
  68. Using Sweep Tubes for an Amp Build
  69. Does Plate Voltage Matter?
  70. Another Layout Proof Request - Marshall JCM800
  71. ax84 P1 Extreme Based 2 Channel Amp
  72. Classic 30 ohm load
  73. Tube amp chassis layout proposal
  74. DIY Vocal Compressor. Need Help !!!
  75. going solid?
  76. Add magnetic pickup to piezo pickup and preamp.
  77. Turning my Reel-to-reel into guitar amp.
  78. Instrument amp design goals
  79. Why did Fender do this ?
  80. Guitar preamp grid bias problem
  81. Help: MG100RCD Squeels (even with no input)
  82. Breadboard Bassman with runaway bias!
  83. 70V Line Matching Transformer - Good OT substitute?
  84. 420 Watts Speaker Not Really 420 Watts?
  85. What does this triode do in circuit?
  86. Behringer A500 power transistor insulator missing
  87. Guitar Amp Design
  88. Craig Anderton Buffer Board mods
  89. Build Ideas, Suggestions
  90. Analogue Parametric EQ - Calrec Polar...
  91. 18W homemade tube amp - Need advise
  92. compression/expansion control in guitar preamp
  93. Behringer's Europower EPQ450
  94. 6gk5/6fq5 as input/preamp stage tube ?
  95. Isolation transformer question
  96. Couple Questions - Grid Stoppers and High Cut
  97. thoughts on heater wiring orientation
  98. Testing The Tube Guitar Amplifier
  99. JTM45 Bias Voltage moving around & bad distortion
  100. Connect plate after choke?
  101. blackstar stage 60 diy
  102. Question 'bout valve stompboxes
  103. 1965 Fender Deluxe Reverb - DI Connection?
  104. Buffer stage after Alembic F2b design
  105. Odd noises; guitar, environment, or amp?
  106. Fender reverb stand-alone
  107. Behringer K1800FX
  108. master volume addition - Webster Chicago W830
  109. noiseless diodes setup choice
  110. Help choose a guitar amp to build?
  111. Weirdness with virtual CT on 6V heater tap
  112. Marshall 1974X
  113. Preamp Output Transformer
  114. Traynor YCL-3 Mark III Rebuild
  115. Sunn Sceptre Style Build
  116. Pepco (Pine Electronics) 801 Chassis Isolation Mod
  117. Fender Bassman AA864 build
  118. Gulbransen Organ Resurrection -
  119. Strange voltage reading
  120. Tube Preamp (my first)
  121. Diy toroid transformers for 5E3 guitar amp?
  122. Marshall 18W TA
  123. 2002 Fender Twin Amp **Unusual Problem**
  124. Behringer NU1000 Pinout..
  125. Princeton 112+ Loose PCB Pot Shaft
  126. Greenchild Trbus Drive
  127. Can someone help me proof this layout?
  128. Laney Ironheart Irt30-112
  129. Guitar Amplifier
  130. Hot Rod Deluxe issue, need advise!
  131. Guitar amp and bass amp
  132. Amp Build Not Working Correctly....
  133. Tuning a ported guitar cab
  134. Who made these early Peavey 6L6GC
  135. Inc / Dec Stomp Box
  136. Alnico magnet heat?
  137. Peavey 260C module rare version?
  138. Pro reverb AA165 circuit low output from vibrato channel
  139. Class AB amp trouble shooting (Scope shows square not sine)
  140. *small* Bass guitar amplifier
  141. 1950 Gretsch Electromatic Artist
  142. huge voltage drop after diode rectifier
  143. Questions on open baffles speaker.
  144. behringer gx110
  145. Crown DC-300A
  146. Bassman AA-864 Preamp Question
  147. Blackstar combo 20 that squeals
  148. 6V6/6L6 Switchable Guitar Amp
  149. input impedance of output transformer gibson ga20rvt amp
  150. career change for Jensen TR10 spkr
  151. gibson ga15rvt and ga20rvt amps
  152. Vox Bass Pre-Amplifier 1201 from Venue Combo
  153. Park By Marshall just a quiet fuzz
  154. why does 1 amp run hotter than another
  155. Guitar tube Pre-amp
  156. Power supply and transformer - good pair? (Hexaphonic guitar box)
  157. Mosfet driver
  158. Mullard 5-10 for guitar ?
  159. Help me modify Peavey Blazer Amp
  160. Guitar amp screen resistor selection
  161. Rotary Speaker Cabinet Project
  162. General bass amp questionnaire
  163. Looking for someone to build an acoustic guitar preamp for me
  164. any tank circuit calculator?
  165. wires on an old humbucker
  166. LEM Baby Tape Echo PSU
  167. dual-tube SE
  168. 4-ohm 212 L-Pad
  169. Replacing Power Amp in Fender FM212R
  170. built a Sunn 2000S copy
  171. Heathkit A7 amp tube lineup
  172. Bass guitar wiring
  173. hybrid amp question
  174. New Bass Rig
  175. capacitor question
  176. ampeg ss70c 2x10 guitar amp
  177. Super Reverb AA270 reverb weak
  178. Uber Newb needs ideas for Cheap Bass Amp
  179. Fender PA100 - smoke -> no sound
  180. Dynacord Eminent II Biasing and tube change
  181. Hypex UcD2kOEM Bass Power Amp Project
  182. XLR Mixer Output to 1/4" Mono Amp Input
  183. Modify Bell 3030 into a stereo guitar amp project
  184. 'distortion' knob in schematic
  185. Easy HPF for bass cab?
  186. Ampex 620 For Use As Guitar Amp
  187. potentiometer for blackface deluxe reverb
  188. +/-floating tube PSU for guitar ?! Schematic error ?
  189. Amplifiers that exceed grid leak resistance
  190. Trace-Elliot Bipolar Bear
  191. Peavey PA-100 repair question
  192. Digital volume control for instrument level signal
  193. Finished my Tube DI/Preamp
  194. Question about Green Ringer ring modulator
  195. Home theatre subwoofer amp project
  196. Troubleshooting a Fender Champion 600
  197. Hammond M all ocal amp
  198. Discrete Compressor pedal design
  199. Need replacement speaker advice for 4X12
  200. I fried the mp3 input of my Roland Cube 40 xl
  201. Unity gain power amplifier for guitar
  202. Roy Blankenship at work
  203. The Mighty MKS-20 - What I've learned
  204. Crate GX 130c
  205. A Preamp doesn't work well!! (distortion)
  206. Draining a can cap
  207. Ampalanche
  208. Ace Tone Elite
  209. Power-booster power amp section for champ
  210. Need Ideas of what to do with 50+ tip36 PNP transistors
  211. '65 bassman ab165 hiss
  212. Silvertone Organ amp conversion
  213. Mesa Subway Rocket burned up! Help!
  214. Palmer Drei (Parallel SE w/mismatched output tubes)
  215. Fuzz Face circuit with unusual Ge PNP transistors
  216. recycling old tech to make an amp
  217. Low voltage Marshall inspired amp for voltage challenged individuals.
  218. upgrading a cheap guitar amp
  219. First test of rebuilt bass guitar amp
  220. first build is ready for testing. need to confirm the first reading though.
  221. Guitar Level to Line Level Hi-Quality Preamp
  222. What's wrong with this chassis layout?
  223. National guitar amp (?) "Sportsman" help needed
  224. switch rating question
  225. Experience modifying Boss pedals?
  226. Building a serious bass cabinet
  227. Gut Shot of Gibson GA-5 Skylark
  228. OK champ-mod?
  229. Looking for a power transformer Hartke HA 4000
  230. DIY UniVibe
  231. simplest possible push pull 6v6 cathode bias guitar amp?
  232. op amp output ceiling ???
  233. Fs Ibanez Renometer
  234. novice tube amp (re)build
  235. Farfisa Combo - Reverb Replacement
  236. Roland SPD 8
  237. digipots in audio ccts
  238. Problem with a Fender MA6 Mixer Amplifier.
  239. Good 300-400w amp kit for a beginner?
  240. Tl806 - EMV12L vs Eminence DeltaProA
  241. MOSFET kits for bass guitar
  242. Modular Synthesizer with Tubes
  243. Vox AC15TB power transformer
  244. opamp driver for reverb tank, single supply
  245. pencil tube mini amp?
  246. Swapping OP amps
  247. Oh NO!! Its French!!!
  248. Latest project, valve stereo disco mixer
  249. Peavy Triumph 60 Clean Channel
  250. self-split dual triode output impedance?

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