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  1. 6880 cascode guitar amp
  2. Amplifying an electro acoustic guitar
  3. Hum immediate when powering on
  4. stomp box with low impedance output
  5. BBE 362 NR Sonic Maximizer
  6. How do I limit tube supply voltage in the event B+ rises a little?
  7. Power output from a quad of 6V6?
  8. Missing reverb tank
  9. Preamp stage is going very asymmetrical. Why?
  10. Using mic pre for bass?
  11. Marshall 2210 amp repair
  12. High voltage Ultra-Linear
  13. non-electronic question about stiffening an SG clone
  14. DIY Spring Reverb circuit for old mixer setup
  15. Preparing my first low power guitar amp build.
  16. Hypex ucd2k and smps3k input level control
  17. Non-electronic question about guitar nut
  18. Matchless Lightning inspired build
  19. Tube guitar amp w/ mosfet CCS's, or class 2 operation, etc?
  20. Cheap Chinese amp modules any good?
  21. Wanted PT2395 delay PCB, and 2395 bits
  22. Help me choose a layout
  23. noisy foot switch; is there a fix?
  24. Simmons DA200S: Power Amp PCB
  25. DIY bass cabinet with 12" driver
  26. Push-Pull fixed bias and output power question
  27. Concerns about a 54 yr old Wurlitzer vacuum tube organ & safety of old electronics
  28. Alesis Ra-100 repair help
  29. Series 6N2P-EV don't lit, no sound.
  30. Guitar electronics question
  31. Advice needed on 100 watt Plexi clone build
  32. Buffer/Splitter Input Resistors Value?
  33. Input capacitors on guitar amps?
  34. Upright electric bass with amp and speakers built in.
  35. Micro bass amps, ToneHammer, littleMark, Shuttle, etc.
  36. DIY power amp suitable for bass.
  37. Anyone have experience with Delta 10's for bass speakers?
  38. Recommend me a tube pre amp for guitar
  39. add an XLR out to an amp that doesn't have it?
  40. Help Wirring Bass Guitar on board preamp
  41. Preamp Build Questions
  42. Guitar Bass Preamp Project
  43. SM Pro Audio V-Machine fan noise
  44. Build a Sunn Model T clone. Some questions. (EU)
  45. DIY preamp for amp head - general guidelines?
  46. Carvin legacy guitar amp build oscillation trouble
  47. 1954 BOGEN Bass Control
  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
  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. Help choose tone stack
  59. Strat Squire pickup wiring questions
  60. Where can i find a replacement rocker switch for this guitar pedal?
  61. Behringer BX3000T Bass Head
  62. Ground currents
  63. Mann 100 PAR into guitar amp
  64. Happy so far on amp build project
  65. Click/pop with digitally switched effects loop
  66. Using Sweep Tubes for an Amp Build
  67. Does Plate Voltage Matter?
  68. Another Layout Proof Request - Marshall JCM800
  69. ax84 P1 Extreme Based 2 Channel Amp
  70. Classic 30 ohm load
  71. Tube amp chassis layout proposal
  72. DIY Vocal Compressor. Need Help !!!
  73. going solid?
  74. Add magnetic pickup to piezo pickup and preamp.
  75. Turning my Reel-to-reel into guitar amp.
  76. Instrument amp design goals
  77. Why did Fender do this ?
  78. Guitar preamp grid bias problem
  79. Help: MG100RCD Squeels (even with no input)
  80. Breadboard Bassman with runaway bias!
  81. 70V Line Matching Transformer - Good OT substitute?
  82. 420 Watts Speaker Not Really 420 Watts?
  83. What does this triode do in circuit?
  84. Guitar Amp Design
  85. Craig Anderton Buffer Board mods
  86. Build Ideas, Suggestions
  87. 18W homemade tube amp - Need advise
  88. compression/expansion control in guitar preamp
  89. 6gk5/6fq5 as input/preamp stage tube ?
  90. Isolation transformer question
  91. Couple Questions - Grid Stoppers and High Cut
  92. thoughts on heater wiring orientation
  93. Testing The Tube Guitar Amplifier
  94. JTM45 Bias Voltage moving around & bad distortion
  95. Connect plate after choke?
  96. blackstar stage 60 diy
  97. Question 'bout valve stompboxes
  98. 1965 Fender Deluxe Reverb - DI Connection?
  99. Buffer stage after Alembic F2b design
  100. Odd noises; guitar, environment, or amp?
  101. Fender reverb stand-alone
  102. master volume addition - Webster Chicago W830
  103. noiseless diodes setup choice
  104. Help choose a guitar amp to build?
  105. Weirdness with virtual CT on 6V heater tap
  106. Marshall 1974X
  107. Preamp Output Transformer
  108. Traynor YCL-3 Mark III Rebuild
  109. Sunn Sceptre Style Build
  110. Pepco (Pine Electronics) 801 Chassis Isolation Mod
  111. Fender Bassman AA864 build
  112. Gulbransen Organ Resurrection -
  113. Strange voltage reading
  114. Tube Preamp (my first)
  115. Marshall 18W TA
  116. 2002 Fender Twin Amp **Unusual Problem**
  117. Princeton 112+ Loose PCB Pot Shaft
  118. Greenchild Trbus Drive
  119. Can someone help me proof this layout?
  120. Laney Ironheart Irt30-112
  121. Hot Rod Deluxe issue, need advise!
  122. Guitar amp and bass amp
  123. Amp Build Not Working Correctly....
  124. Tuning a ported guitar cab
  125. Who made these early Peavey 6L6GC
  126. Inc / Dec Stomp Box
  127. Alnico magnet heat?
  128. Class AB amp trouble shooting (Scope shows square not sine)
  129. *small* Bass guitar amplifier
  130. 1950 Gretsch Electromatic Artist
  131. huge voltage drop after diode rectifier
  132. Questions on open baffles speaker.
  133. Crown DC-300A
  134. Bassman AA-864 Preamp Question
  135. Blackstar combo 20 that squeals
  136. 6V6/6L6 Switchable Guitar Amp
  137. input impedance of output transformer gibson ga20rvt amp
  138. career change for Jensen TR10 spkr
  139. gibson ga15rvt and ga20rvt amps
  140. why does 1 amp run hotter than another
  141. Guitar tube Pre-amp
  142. Power supply and transformer - good pair? (Hexaphonic guitar box)
  143. Mosfet driver
  144. Mullard 5-10 for guitar ?
  145. Rotary Speaker Cabinet Project
  146. General bass amp questionnaire
  147. Looking for someone to build an acoustic guitar preamp for me
  148. any tank circuit calculator?
  149. wires on an old humbucker
  150. LEM Baby Tape Echo PSU
  151. dual-tube SE
  152. 4-ohm 212 L-Pad
  153. Replacing Power Amp in Fender FM212R
  154. built a Sunn 2000S copy
  155. Heathkit A7 amp tube lineup
  156. Bass guitar wiring
  157. hybrid amp question
  158. New Bass Rig
  159. capacitor question
  160. ampeg ss70c 2x10 guitar amp
  161. Super Reverb AA270 reverb weak
  162. Uber Newb needs ideas for Cheap Bass Amp
  163. Fender PA100 - smoke -> no sound
  164. Dynacord Eminent II Biasing and tube change
  165. Hypex UcD2kOEM Bass Power Amp Project
  166. XLR Mixer Output to 1/4" Mono Amp Input
  167. Modify Bell 3030 into a stereo guitar amp project
  168. 'distortion' knob in schematic
  169. Easy HPF for bass cab?
  170. Ampex 620 For Use As Guitar Amp
  171. Amplifiers that exceed grid leak resistance
  172. Trace-Elliot Bipolar Bear
  173. Peavey PA-100 repair question
  174. Digital volume control for instrument level signal
  175. Question about Green Ringer ring modulator
  176. Home theatre subwoofer amp project
  177. Hammond M all ocal amp
  178. Discrete Compressor pedal design
  179. Need replacement speaker advice for 4X12
  180. I fried the mp3 input of my Roland Cube 40 xl
  181. Roy Blankenship at work
  182. The Mighty MKS-20 - What I've learned
  183. Crate GX 130c
  184. A Preamp doesn't work well!! (distortion)
  185. Draining a can cap
  186. Ampalanche
  187. Ace Tone Elite
  188. Power-booster power amp section for champ
  189. Need Ideas of what to do with 50+ tip36 PNP transistors
  190. '65 bassman ab165 hiss
  191. Silvertone Organ amp conversion
  192. Mesa Subway Rocket burned up! Help!
  193. Palmer Drei (Parallel SE w/mismatched output tubes)
  194. Fuzz Face circuit with unusual Ge PNP transistors
  195. recycling old tech to make an amp
  196. Low voltage Marshall inspired amp for voltage challenged individuals.
  197. upgrading a cheap guitar amp
  198. First test of rebuilt bass guitar amp
  199. first build is ready for testing. need to confirm the first reading though.
  200. Guitar Level to Line Level Hi-Quality Preamp
  201. What's wrong with this chassis layout?
  202. National guitar amp (?) "Sportsman" help needed
  203. switch rating question
  204. Experience modifying Boss pedals?
  205. Building a serious bass cabinet
  206. Gut Shot of Gibson GA-5 Skylark
  207. OK champ-mod?
  208. Looking for a power transformer Hartke HA 4000
  209. DIY UniVibe
  210. simplest possible push pull 6v6 cathode bias guitar amp?
  211. op amp output ceiling ???
  212. Fs Ibanez Renometer
  213. novice tube amp (re)build
  214. Farfisa Combo - Reverb Replacement
  215. digipots in audio ccts
  216. Good 300-400w amp kit for a beginner?
  217. Tl806 - EMV12L vs Eminence DeltaProA
  218. Modular Synthesizer with Tubes
  219. Vox AC15TB power transformer
  220. opamp driver for reverb tank, single supply
  221. pencil tube mini amp?
  222. Swapping OP amps
  223. Oh NO!! Its French!!!
  224. Peavy Triumph 60 Clean Channel
  225. self-split dual triode output impedance?
  226. Easy Tube distortion for beginner. (v1 6418 tubes?)
  227. Princeton clone hums - analyze my build?
  228. For accordion players: MIDI accompaniment
  229. i have a few questions about 5f1 champ project.
  230. Guitar amplifier LTSpice simulation
  231. help identify unknown Output transformer leads?
  232. Bass guitar preamp using op-amps
  233. So your 5E3 is still too loud huh?
  234. Seeking troubleshooting advice for my first amp build.
  235. I need help with this preamp!!!
  237. 2 seperate (switchable) power stages in same amp?
  238. electric guitar/mandolin preamp and effects
  239. Different approach to Harmonic Balancer question
  240. Andy Ross music "the Pro-Verb" schematics needed
  241. Harmonic Generator / guitar amp
  242. First post from a tube noob: Found 9 tubes!
  243. Valve spacing 6 x 6550
  244. plate starvation VS output tube overdrive.
  245. Best placement for a choke, VHT tube amp.
  246. Building an electret microphone Acoustic Guitar pick up. Want to ask something.
  247. Could use a second opinion.
  248. Buffering a Cathodyne Phase Splitter with Mosfets
  249. Zobel network, tone shaping, modify it !
  250. Reverb Tank for Peavey 30?

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