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  1. add an XLR out to an amp that doesn't have it?
  2. Help Wirring Bass Guitar on board preamp
  3. Preamp Build Questions
  4. Guitar Bass Preamp Project
  5. SM Pro Audio V-Machine fan noise
  6. Build a Sunn Model T clone. Some questions. (EU)
  7. 1955 Bogen J330 Mic Input Problem
  8. DIY preamp for amp head - general guidelines?
  9. Carvin legacy guitar amp build oscillation trouble
  10. 1954 BOGEN Bass Control
  11. Roland SRA 540
  12. HF Oscillations- How Do I Scope?
  13. Should (can) I go pentode instead of UL
  14. hiss/noise from jcm clone
  15. Guitar power amplifier MOSFET SE 5W
  16. EF86 | MIC.PRE | MODULATION | REDD | E. BARBOUR
  17. Help with a vibe amp design
  18. Hammond AO-39 and AO-35 organ to guitar power amp conversion
  19. 1955 Gibson GA-20 should replace speaker; How?
  20. Quad of EL84 Screen Resistors
  21. Phantom power preamp for microphone
  22. Need help with microphone preamp.
  23. Help choose tone stack
  24. Strat Squire pickup wiring questions
  25. Where can i find a replacement rocker switch for this guitar pedal?
  26. Behringer BX3000T Bass Head
  27. Ground currents
  28. Mann 100 PAR into guitar amp
  29. Happy so far on amp build project
  30. New Tubes For Peavey Valveking VK100
  31. Click/pop with digitally switched effects loop
  32. Using Sweep Tubes for an Amp Build
  33. Does Plate Voltage Matter?
  34. Another Layout Proof Request - Marshall JCM800
  35. ax84 P1 Extreme Based 2 Channel Amp
  36. Classic 30 ohm load
  37. Tube amp chassis layout proposal
  38. DIY Vocal Compressor. Need Help !!!
  39. going solid?
  40. Add magnetic pickup to piezo pickup and preamp.
  41. Turning my Reel-to-reel into guitar amp.
  42. Instrument amp design goals
  43. Why did Fender do this ?
  44. Guitar preamp grid bias problem
  45. Help: MG100RCD Squeels (even with no input)
  46. Breadboard Bassman with runaway bias!
  47. 70V Line Matching Transformer - Good OT substitute?
  48. 420 Watts Speaker Not Really 420 Watts?
  49. What does this triode do in circuit?
  50. Behringer A500 power transistor insulator missing
  51. Guitar Amp Design
  52. Craig Anderton Buffer Board mods
  53. Build Ideas, Suggestions
  54. Analogue Parametric EQ - Calrec Polar...
  55. 18W homemade tube amp - Need advise
  56. compression/expansion control in guitar preamp
  57. Behringer's Europower EPQ450
  58. 6gk5/6fq5 as input/preamp stage tube ?
  59. Isolation transformer question
  60. Couple Questions - Grid Stoppers and High Cut
  61. thoughts on heater wiring orientation
  62. Testing The Tube Guitar Amplifier
  63. JTM45 Bias Voltage moving around & bad distortion
  64. Connect plate after choke?
  65. blackstar stage 60 diy
  66. Question 'bout valve stompboxes
  67. 1965 Fender Deluxe Reverb - DI Connection?
  68. Buffer stage after Alembic F2b design
  69. Odd noises; guitar, environment, or amp?
  70. Fender reverb stand-alone
  71. Behringer K1800FX
  72. master volume addition - Webster Chicago W830
  73. noiseless diodes setup choice
  74. Help choose a guitar amp to build?
  75. Weirdness with virtual CT on 6V heater tap
  76. Marshall 1974X
  77. Preamp Output Transformer
  78. Traynor YCL-3 Mark III Rebuild
  79. Sunn Sceptre Style Build
  80. Pepco (Pine Electronics) 801 Chassis Isolation Mod
  81. Fender Bassman AA864 build
  82. Gulbransen Organ Resurrection -
  83. Strange voltage reading
  84. Tube Preamp (my first)
  85. Diy toroid transformers for 5E3 guitar amp?
  86. Marshall 18W TA
  87. 2002 Fender Twin Amp **Unusual Problem**
  88. Behringer NU1000 Pinout..
  89. Princeton 112+ Loose PCB Pot Shaft
  90. Greenchild Trbus Drive
  91. Can someone help me proof this layout?
  92. Laney Ironheart Irt30-112
  93. Guitar Amplifier
  94. Hot Rod Deluxe issue, need advise!
  95. Guitar amp and bass amp
  96. Amp Build Not Working Correctly....
  97. Tuning a ported guitar cab
  98. Who made these early Peavey 6L6GC
  99. Inc / Dec Stomp Box
  100. Alnico magnet heat?
  101. Peavey 260C module rare version?
  102. Pro reverb AA165 circuit low output from vibrato channel
  103. Class AB amp trouble shooting (Scope shows square not sine)
  104. *small* Bass guitar amplifier
  105. 1950 Gretsch Electromatic Artist
  106. huge voltage drop after diode rectifier
  107. Questions on open baffles speaker.
  108. behringer gx110
  109. Crown DC-300A
  110. Bassman AA-864 Preamp Question
  111. Blackstar combo 20 that squeals
  112. 6V6/6L6 Switchable Guitar Amp
  113. input impedance of output transformer gibson ga20rvt amp
  114. career change for Jensen TR10 spkr
  115. gibson ga15rvt and ga20rvt amps
  116. Vox Bass Pre-Amplifier 1201 from Venue Combo
  117. Park By Marshall just a quiet fuzz
  118. why does 1 amp run hotter than another
  119. Guitar tube Pre-amp
  120. Power supply and transformer - good pair? (Hexaphonic guitar box)
  121. Mosfet driver
  122. Mullard 5-10 for guitar ?
  123. Help me modify Peavey Blazer Amp
  124. Guitar amp screen resistor selection
  125. Rotary Speaker Cabinet Project
  126. General bass amp questionnaire
  127. Looking for someone to build an acoustic guitar preamp for me
  128. any tank circuit calculator?
  129. wires on an old humbucker
  130. LEM Baby Tape Echo PSU
  131. dual-tube SE
  132. 4-ohm 212 L-Pad
  133. Replacing Power Amp in Fender FM212R
  134. built a Sunn 2000S copy
  135. Heathkit A7 amp tube lineup
  136. Bass guitar wiring
  137. hybrid amp question
  138. New Bass Rig
  139. capacitor question
  140. ampeg ss70c 2x10 guitar amp
  141. Super Reverb AA270 reverb weak
  142. Uber Newb needs ideas for Cheap Bass Amp
  143. Fender PA100 - smoke -> no sound
  144. Dynacord Eminent II Biasing and tube change
  145. Hypex UcD2kOEM Bass Power Amp Project
  146. XLR Mixer Output to 1/4" Mono Amp Input
  147. Modify Bell 3030 into a stereo guitar amp project
  148. 'distortion' knob in schematic
  149. Easy HPF for bass cab?
  150. Ampex 620 For Use As Guitar Amp
  151. potentiometer for blackface deluxe reverb
  152. +/-floating tube PSU for guitar ?! Schematic error ?
  153. Amplifiers that exceed grid leak resistance
  154. Trace-Elliot Bipolar Bear
  155. Peavey PA-100 repair question
  156. Digital volume control for instrument level signal
  157. Finished my Tube DI/Preamp
  158. Question about Green Ringer ring modulator
  159. Home theatre subwoofer amp project
  160. Troubleshooting a Fender Champion 600
  161. Hammond M all ocal amp
  162. Discrete Compressor pedal design
  163. Need replacement speaker advice for 4X12
  164. I fried the mp3 input of my Roland Cube 40 xl
  165. Unity gain power amplifier for guitar
  166. Roy Blankenship at work
  167. The Mighty MKS-20 - What I've learned
  168. Crate GX 130c
  169. A Preamp doesn't work well!! (distortion)
  170. Draining a can cap
  171. Ampalanche
  172. Ace Tone Elite
  173. Power-booster power amp section for champ
  174. Need Ideas of what to do with 50+ tip36 PNP transistors
  175. '65 bassman ab165 hiss
  176. Silvertone Organ amp conversion
  177. Mesa Subway Rocket burned up! Help!
  178. Palmer Drei (Parallel SE w/mismatched output tubes)
  179. Fuzz Face circuit with unusual Ge PNP transistors
  180. recycling old tech to make an amp
  181. Low voltage Marshall inspired amp for voltage challenged individuals.
  182. upgrading a cheap guitar amp
  183. First test of rebuilt bass guitar amp
  184. first build is ready for testing. need to confirm the first reading though.
  185. Guitar Level to Line Level Hi-Quality Preamp
  186. What's wrong with this chassis layout?
  187. National guitar amp (?) "Sportsman" help needed
  188. switch rating question
  189. Experience modifying Boss pedals?
  190. Building a serious bass cabinet
  191. Gut Shot of Gibson GA-5 Skylark
  192. OK champ-mod?
  193. Looking for a power transformer Hartke HA 4000
  194. DIY UniVibe
  195. simplest possible push pull 6v6 cathode bias guitar amp?
  196. op amp output ceiling ???
  197. Fs Ibanez Renometer
  198. novice tube amp (re)build
  199. Farfisa Combo - Reverb Replacement
  200. Roland SPD 8
  201. digipots in audio ccts
  202. Problem with a Fender MA6 Mixer Amplifier.
  203. Good 300-400w amp kit for a beginner?
  204. Tl806 - EMV12L vs Eminence DeltaProA
  205. MOSFET kits for bass guitar
  206. Modular Synthesizer with Tubes
  207. Vox AC15TB power transformer
  208. opamp driver for reverb tank, single supply
  209. pencil tube mini amp?
  210. Swapping OP amps
  211. Oh NO!! Its French!!!
  212. Latest project, valve stereo disco mixer
  213. Peavy Triumph 60 Clean Channel
  214. self-split dual triode output impedance?
  215. Easy Tube distortion for beginner. (v1 6418 tubes?)
  216. Princeton clone hums - analyze my build?
  217. For accordion players: MIDI accompaniment
  218. Service Manual Peavey CS400 Stereo
  219. i have a few questions about 5f1 champ project.
  220. Guitar amplifier LTSpice simulation
  221. help identify unknown Output transformer leads?
  222. Bass guitar preamp using op-amps
  223. So your 5E3 is still too loud huh?
  224. Seeking troubleshooting advice for my first amp build.
  225. I need help with this preamp!!!
  226. BEHRINGER FCB1010 MOD QUESTION
  227. 2 seperate (switchable) power stages in same amp?
  228. electric guitar/mandolin preamp and effects
  229. Different approach to Harmonic Balancer question
  230. Andy Ross music "the Pro-Verb" schematics needed
  231. Harmonic Generator / guitar amp
  232. First post from a tube noob: Found 9 tubes!
  233. Valve based disco mixer.
  234. On-Board Guitar Pickup Preamp: Op-Amp Choice?
  235. Peavey Series 300 mixer/amp scehamtics
  236. Peavey Renown 112 schematics
  237. Valve spacing 6 x 6550
  238. plate starvation VS output tube overdrive.
  239. Best placement for a choke, VHT tube amp.
  240. peavey pv2600 dc kick on power off
  241. need to build guitar pre-amp
  242. Building an electret microphone Acoustic Guitar pick up. Want to ask something.
  243. Could use a second opinion.
  244. Buffering a Cathodyne Phase Splitter with Mosfets
  245. Zobel network, tone shaping, modify it !
  246. Reverb Tank for Peavey 30?
  247. Burns Orbit Three
  248. Lo budget, good sound
  249. mismatched loads on Split load PI
  250. Peavey PV900 voltage measurements

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