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  1. DIY preamp for amp head - general guidelines?
  2. Carvin legacy guitar amp build oscillation trouble
  3. 1954 BOGEN Bass Control
  4. HF Oscillations- How Do I Scope?
  5. Should (can) I go pentode instead of UL
  6. hiss/noise from jcm clone
  7. Guitar power amplifier MOSFET SE 5W
  8. EF86 | MIC.PRE | MODULATION | REDD | E. BARBOUR
  9. Help with a vibe amp design
  10. Hammond AO-39 and AO-35 organ to guitar power amp conversion
  11. 1955 Gibson GA-20 should replace speaker; How?
  12. Quad of EL84 Screen Resistors
  13. Phantom power preamp for microphone
  14. Help choose tone stack
  15. Strat Squire pickup wiring questions
  16. Where can i find a replacement rocker switch for this guitar pedal?
  17. Behringer BX3000T Bass Head
  18. Ground currents
  19. Mann 100 PAR into guitar amp
  20. Happy so far on amp build project
  21. Click/pop with digitally switched effects loop
  22. Using Sweep Tubes for an Amp Build
  23. Does Plate Voltage Matter?
  24. Another Layout Proof Request - Marshall JCM800
  25. ax84 P1 Extreme Based 2 Channel Amp
  26. Classic 30 ohm load
  27. Tube amp chassis layout proposal
  28. DIY Vocal Compressor. Need Help !!!
  29. going solid?
  30. Add magnetic pickup to piezo pickup and preamp.
  31. Turning my Reel-to-reel into guitar amp.
  32. Instrument amp design goals
  33. Why did Fender do this ?
  34. Guitar preamp grid bias problem
  35. Help: MG100RCD Squeels (even with no input)
  36. Breadboard Bassman with runaway bias!
  37. 70V Line Matching Transformer - Good OT substitute?
  38. 420 Watts Speaker Not Really 420 Watts?
  39. What does this triode do in circuit?
  40. Guitar Amp Design
  41. Craig Anderton Buffer Board mods
  42. Build Ideas, Suggestions
  43. 18W homemade tube amp - Need advise
  44. compression/expansion control in guitar preamp
  45. 6gk5/6fq5 as input/preamp stage tube ?
  46. Isolation transformer question
  47. Couple Questions - Grid Stoppers and High Cut
  48. thoughts on heater wiring orientation
  49. Testing The Tube Guitar Amplifier
  50. JTM45 Bias Voltage moving around & bad distortion
  51. Connect plate after choke?
  52. blackstar stage 60 diy
  53. Question 'bout valve stompboxes
  54. 1965 Fender Deluxe Reverb - DI Connection?
  55. Buffer stage after Alembic F2b design
  56. Odd noises; guitar, environment, or amp?
  57. Fender reverb stand-alone
  58. master volume addition - Webster Chicago W830
  59. noiseless diodes setup choice
  60. Help choose a guitar amp to build?
  61. Weirdness with virtual CT on 6V heater tap
  62. Marshall 1974X
  63. Preamp Output Transformer
  64. Traynor YCL-3 Mark III Rebuild
  65. Sunn Sceptre Style Build
  66. Pepco (Pine Electronics) 801 Chassis Isolation Mod
  67. Fender Bassman AA864 build
  68. Gulbransen Organ Resurrection -
  69. Strange voltage reading
  70. Tube Preamp (my first)
  71. Marshall 18W TA
  72. 2002 Fender Twin Amp **Unusual Problem**
  73. Princeton 112+ Loose PCB Pot Shaft
  74. Greenchild Trbus Drive
  75. Can someone help me proof this layout?
  76. Laney Ironheart Irt30-112
  77. Hot Rod Deluxe issue, need advise!
  78. Guitar amp and bass amp
  79. Amp Build Not Working Correctly....
  80. Tuning a ported guitar cab
  81. Who made these early Peavey 6L6GC
  82. Inc / Dec Stomp Box
  83. Alnico magnet heat?
  84. Class AB amp trouble shooting (Scope shows square not sine)
  85. *small* Bass guitar amplifier
  86. 1950 Gretsch Electromatic Artist
  87. huge voltage drop after diode rectifier
  88. Questions on open baffles speaker.
  89. Crown DC-300A
  90. Bassman AA-864 Preamp Question
  91. Blackstar combo 20 that squeals
  92. 6V6/6L6 Switchable Guitar Amp
  93. input impedance of output transformer gibson ga20rvt amp
  94. career change for Jensen TR10 spkr
  95. gibson ga15rvt and ga20rvt amps
  96. why does 1 amp run hotter than another
  97. Guitar tube Pre-amp
  98. Power supply and transformer - good pair? (Hexaphonic guitar box)
  99. Mosfet driver
  100. Mullard 5-10 for guitar ?
  101. Rotary Speaker Cabinet Project
  102. General bass amp questionnaire
  103. Looking for someone to build an acoustic guitar preamp for me
  104. any tank circuit calculator?
  105. wires on an old humbucker
  106. LEM Baby Tape Echo PSU
  107. dual-tube SE
  108. 4-ohm 212 L-Pad
  109. Replacing Power Amp in Fender FM212R
  110. built a Sunn 2000S copy
  111. Heathkit A7 amp tube lineup
  112. Bass guitar wiring
  113. hybrid amp question
  114. New Bass Rig
  115. capacitor question
  116. ampeg ss70c 2x10 guitar amp
  117. Super Reverb AA270 reverb weak
  118. Uber Newb needs ideas for Cheap Bass Amp
  119. Fender PA100 - smoke -> no sound
  120. Dynacord Eminent II Biasing and tube change
  121. Hypex UcD2kOEM Bass Power Amp Project
  122. XLR Mixer Output to 1/4" Mono Amp Input
  123. Modify Bell 3030 into a stereo guitar amp project
  124. 'distortion' knob in schematic
  125. Easy HPF for bass cab?
  126. Ampex 620 For Use As Guitar Amp
  127. Amplifiers that exceed grid leak resistance
  128. Trace-Elliot Bipolar Bear
  129. Peavey PA-100 repair question
  130. Digital volume control for instrument level signal
  131. Question about Green Ringer ring modulator
  132. Home theatre subwoofer amp project
  133. Hammond M all ocal amp
  134. Discrete Compressor pedal design
  135. Need replacement speaker advice for 4X12
  136. I fried the mp3 input of my Roland Cube 40 xl
  137. Roy Blankenship at work
  138. The Mighty MKS-20 - What I've learned
  139. Crate GX 130c
  140. A Preamp doesn't work well!! (distortion)
  141. Draining a can cap
  142. Ampalanche
  143. Ace Tone Elite
  144. Power-booster power amp section for champ
  145. Need Ideas of what to do with 50+ tip36 PNP transistors
  146. '65 bassman ab165 hiss
  147. Silvertone Organ amp conversion
  148. Mesa Subway Rocket burned up! Help!
  149. Palmer Drei (Parallel SE w/mismatched output tubes)
  150. Fuzz Face circuit with unusual Ge PNP transistors
  151. recycling old tech to make an amp
  152. Low voltage Marshall inspired amp for voltage challenged individuals.
  153. upgrading a cheap guitar amp
  154. First test of rebuilt bass guitar amp
  155. first build is ready for testing. need to confirm the first reading though.
  156. Guitar Level to Line Level Hi-Quality Preamp
  157. What's wrong with this chassis layout?
  158. National guitar amp (?) "Sportsman" help needed
  159. switch rating question
  160. Experience modifying Boss pedals?
  161. Building a serious bass cabinet
  162. Gut Shot of Gibson GA-5 Skylark
  163. OK champ-mod?
  164. Looking for a power transformer Hartke HA 4000
  165. DIY UniVibe
  166. simplest possible push pull 6v6 cathode bias guitar amp?
  167. op amp output ceiling ???
  168. Fs Ibanez Renometer
  169. novice tube amp (re)build
  170. Farfisa Combo - Reverb Replacement
  171. digipots in audio ccts
  172. Good 300-400w amp kit for a beginner?
  173. Tl806 - EMV12L vs Eminence DeltaProA
  174. Modular Synthesizer with Tubes
  175. Vox AC15TB power transformer
  176. opamp driver for reverb tank, single supply
  177. pencil tube mini amp?
  178. Swapping OP amps
  179. Oh NO!! Its French!!!
  180. Peavy Triumph 60 Clean Channel
  181. self-split dual triode output impedance?
  182. Easy Tube distortion for beginner. (v1 6418 tubes?)
  183. Princeton clone hums - analyze my build?
  184. For accordion players: MIDI accompaniment
  185. i have a few questions about 5f1 champ project.
  186. Guitar amplifier LTSpice simulation
  187. help identify unknown Output transformer leads?
  188. Bass guitar preamp using op-amps
  189. So your 5E3 is still too loud huh?
  190. Seeking troubleshooting advice for my first amp build.
  191. I need help with this preamp!!!
  192. BEHRINGER FCB1010 MOD QUESTION
  193. 2 seperate (switchable) power stages in same amp?
  194. electric guitar/mandolin preamp and effects
  195. Different approach to Harmonic Balancer question
  196. Andy Ross music "the Pro-Verb" schematics needed
  197. Harmonic Generator / guitar amp
  198. First post from a tube noob: Found 9 tubes!
  199. Valve spacing 6 x 6550
  200. plate starvation VS output tube overdrive.
  201. Best placement for a choke, VHT tube amp.
  202. Building an electret microphone Acoustic Guitar pick up. Want to ask something.
  203. Could use a second opinion.
  204. Buffering a Cathodyne Phase Splitter with Mosfets
  205. Zobel network, tone shaping, modify it !
  206. Reverb Tank for Peavey 30?
  207. Burns Orbit Three
  208. Lo budget, good sound
  209. mismatched loads on Split load PI
  210. AVT150H Issue
  211. Op-Amp Output to High-Impedance Load?
  212. Guitar Question - Pickup Crackle
  213. Found some Sunn Transformers for 2xKT88!
  214. Is my speaker ok to use with my tube amp??
  215. Help preamp 3band
  216. Behringer V-Ampire LX210/LX1200. Schematic
  217. Tube amp problem
  218. controlling effects pedals using VACTROLS
  219. How much gain does a bass preamp need?
  220. Pentode gain control in preamp
  221. proper speaker in 59 fender princeton
  222. bogen chb 100
  223. Peavy 130 Watt guitar amplifier Question
  224. Hybrid Bass Amp
  225. preamp for mfb speakers
  226. No Voltage drop across plate load resistor
  227. Guitar electronics question
  228. Steel pan acoustic feedback
  229. Help with reverb driver circuit
  230. A mad man's approach to attenuation
  231. Guitar Pedal Design EE Senior Project
  232. SWR 240W Redhead - need schematic - blowing fuses!
  233. Save an amp from a punk band! - Troubleshoot el34 12ax7 guitar amp
  234. Attempting repair on a Korg ax5G.
  235. Gallien Krueger 800RB Hi Channel Problem
  236. Home Theater subwoofer as bass amp?
  237. Mounting valve / tube sockets directly to turretboard
  238. Specific Filter Cap Replacement - Guild Bass Amp
  239. New to Tube Amps/ Issues with Tube Amps
  240. HH Bassmachine schematic wanted
  241. Ampeg B15N 1962 vs 1968
  242. Constant hum
  243. Hot Rod Deville filter capacitors
  244. Wurlitzer 200a Hum question
  245. Toroidal transformer Q
  246. Guitar Amp Project
  247. Crate Blue Voodoo 120 Bad Pots - Can they be replaced???
  248. Peavy VB-3
  249. Fender 5E4 voltage
  250. Huntington GA 10 Input connector

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