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  1. Inc / Dec Stomp Box
  2. Alnico magnet heat?
  3. Peavey 260C module rare version?
  4. Pro reverb AA165 circuit low output from vibrato channel
  5. Class AB amp trouble shooting (Scope shows square not sine)
  6. *small* Bass guitar amplifier
  7. 1950 Gretsch Electromatic Artist
  8. huge voltage drop after diode rectifier
  9. Questions on open baffles speaker.
  10. behringer gx110
  11. Crown DC-300A
  12. Bassman AA-864 Preamp Question
  13. Blackstar combo 20 that squeals
  14. 6V6/6L6 Switchable Guitar Amp
  15. input impedance of output transformer gibson ga20rvt amp
  16. career change for Jensen TR10 spkr
  17. gibson ga15rvt and ga20rvt amps
  18. Vox Bass Pre-Amplifier 1201 from Venue Combo
  19. Park By Marshall just a quiet fuzz
  20. why does 1 amp run hotter than another
  21. Guitar tube Pre-amp
  22. Power supply and transformer - good pair? (Hexaphonic guitar box)
  23. Mosfet driver
  24. Mullard 5-10 for guitar ?
  25. Help me modify Peavey Blazer Amp
  26. Guitar amp screen resistor selection
  27. Rotary Speaker Cabinet Project
  28. General bass amp questionnaire
  29. Looking for someone to build an acoustic guitar preamp for me
  30. any tank circuit calculator?
  31. wires on an old humbucker
  32. LEM Baby Tape Echo PSU
  33. dual-tube SE
  34. 4-ohm 212 L-Pad
  35. Replacing Power Amp in Fender FM212R
  36. built a Sunn 2000S copy
  37. Heathkit A7 amp tube lineup
  38. Bass guitar wiring
  39. hybrid amp question
  40. New Bass Rig
  41. capacitor question
  42. ampeg ss70c 2x10 guitar amp
  43. Super Reverb AA270 reverb weak
  44. Uber Newb needs ideas for Cheap Bass Amp
  45. Fender PA100 - smoke -> no sound
  46. Dynacord Eminent II Biasing and tube change
  47. Hypex UcD2kOEM Bass Power Amp Project
  48. XLR Mixer Output to 1/4" Mono Amp Input
  49. Modify Bell 3030 into a stereo guitar amp project
  50. 'distortion' knob in schematic
  51. Easy HPF for bass cab?
  52. Ampex 620 For Use As Guitar Amp
  53. potentiometer for blackface deluxe reverb
  54. +/-floating tube PSU for guitar ?! Schematic error ?
  55. Amplifiers that exceed grid leak resistance
  56. Trace-Elliot Bipolar Bear
  57. Peavey PA-100 repair question
  58. Digital volume control for instrument level signal
  59. Finished my Tube DI/Preamp
  60. Question about Green Ringer ring modulator
  61. Home theatre subwoofer amp project
  62. Troubleshooting a Fender Champion 600
  63. Hammond M all ocal amp
  64. Discrete Compressor pedal design
  65. Need replacement speaker advice for 4X12
  66. I fried the mp3 input of my Roland Cube 40 xl
  67. Unity gain power amplifier for guitar
  68. Roy Blankenship at work
  69. The Mighty MKS-20 - What I've learned
  70. Crate GX 130c
  71. A Preamp doesn't work well!! (distortion)
  72. Draining a can cap
  73. Ampalanche
  74. Ace Tone Elite
  75. Power-booster power amp section for champ
  76. Need Ideas of what to do with 50+ tip36 PNP transistors
  77. '65 bassman ab165 hiss
  78. Silvertone Organ amp conversion
  79. Mesa Subway Rocket burned up! Help!
  80. Palmer Drei (Parallel SE w/mismatched output tubes)
  81. Fuzz Face circuit with unusual Ge PNP transistors
  82. recycling old tech to make an amp
  83. Low voltage Marshall inspired amp for voltage challenged individuals.
  84. upgrading a cheap guitar amp
  85. First test of rebuilt bass guitar amp
  86. first build is ready for testing. need to confirm the first reading though.
  87. Guitar Level to Line Level Hi-Quality Preamp
  88. What's wrong with this chassis layout?
  89. National guitar amp (?) "Sportsman" help needed
  90. switch rating question
  91. Experience modifying Boss pedals?
  92. Building a serious bass cabinet
  93. Gut Shot of Gibson GA-5 Skylark
  94. OK champ-mod?
  95. Looking for a power transformer Hartke HA 4000
  96. DIY UniVibe
  97. simplest possible push pull 6v6 cathode bias guitar amp?
  98. op amp output ceiling ???
  99. Fs Ibanez Renometer
  100. novice tube amp (re)build
  101. Farfisa Combo - Reverb Replacement
  102. Roland SPD 8
  103. digipots in audio ccts
  104. Problem with a Fender MA6 Mixer Amplifier.
  105. Good 300-400w amp kit for a beginner?
  106. Tl806 - EMV12L vs Eminence DeltaProA
  107. MOSFET kits for bass guitar
  108. Modular Synthesizer with Tubes
  109. Vox AC15TB power transformer
  110. opamp driver for reverb tank, single supply
  111. pencil tube mini amp?
  112. Swapping OP amps
  113. Oh NO!! Its French!!!
  114. Latest project, valve stereo disco mixer
  115. Peavy Triumph 60 Clean Channel
  116. self-split dual triode output impedance?
  117. Easy Tube distortion for beginner. (v1 6418 tubes?)
  118. Princeton clone hums - analyze my build?
  119. For accordion players: MIDI accompaniment
  120. Service Manual Peavey CS400 Stereo
  121. i have a few questions about 5f1 champ project.
  122. Guitar amplifier LTSpice simulation
  123. help identify unknown Output transformer leads?
  124. Bass guitar preamp using op-amps
  125. So your 5E3 is still too loud huh?
  126. Seeking troubleshooting advice for my first amp build.
  127. I need help with this preamp!!!
  128. BEHRINGER FCB1010 MOD QUESTION
  129. 2 seperate (switchable) power stages in same amp?
  130. electric guitar/mandolin preamp and effects
  131. Different approach to Harmonic Balancer question
  132. Andy Ross music "the Pro-Verb" schematics needed
  133. Harmonic Generator / guitar amp
  134. First post from a tube noob: Found 9 tubes!
  135. Valve based disco mixer.
  136. On-Board Guitar Pickup Preamp: Op-Amp Choice?
  137. Peavey Series 300 mixer/amp scehamtics
  138. Peavey Renown 112 schematics
  139. Valve spacing 6 x 6550
  140. plate starvation VS output tube overdrive.
  141. Best placement for a choke, VHT tube amp.
  142. peavey pv2600 dc kick on power off
  143. need to build guitar pre-amp
  144. Building an electret microphone Acoustic Guitar pick up. Want to ask something.
  145. Could use a second opinion.
  146. Buffering a Cathodyne Phase Splitter with Mosfets
  147. Zobel network, tone shaping, modify it !
  148. Reverb Tank for Peavey 30?
  149. Burns Orbit Three
  150. Lo budget, good sound
  151. mismatched loads on Split load PI
  152. Peavey PV900 voltage measurements
  153. AVT150H Issue
  154. Op-Amp Output to High-Impedance Load?
  155. Guitar Question - Pickup Crackle
  156. Found some Sunn Transformers for 2xKT88!
  157. Is my speaker ok to use with my tube amp??
  158. Help preamp 3band
  159. Behringer V-Ampire LX210/LX1200. Schematic
  160. Tube amp problem
  161. controlling effects pedals using VACTROLS
  162. How much gain does a bass preamp need?
  163. Mic preamp input transformer alternative?
  164. Pentode gain control in preamp
  165. proper speaker in 59 fender princeton
  166. bogen chb 100
  167. Peavy 130 Watt guitar amplifier Question
  168. Hybrid Bass Amp
  169. Peavey PV-500 schenmatics.
  170. preamp for mfb speakers
  171. No Voltage drop across plate load resistor
  172. Guitar electronics question
  173. Steel pan acoustic feedback
  174. Help with reverb driver circuit
  175. A mad man's approach to attenuation
  176. Guitar Pedal Design EE Senior Project
  177. SWR 240W Redhead - need schematic - blowing fuses!
  178. Save an amp from a punk band! - Troubleshoot el34 12ax7 guitar amp
  179. Attempting repair on a Korg ax5G.
  180. Gallien Krueger 800RB Hi Channel Problem
  181. Home Theater subwoofer as bass amp?
  182. Mounting valve / tube sockets directly to turretboard
  183. Specific Filter Cap Replacement - Guild Bass Amp
  184. Gallien Krueger 800RB Hi Channel Problem
  185. New to Tube Amps/ Issues with Tube Amps
  186. HH Bassmachine schematic wanted
  187. Ampeg B15N 1962 vs 1968
  188. Roland RE-201 tapeecho improvements
  189. Constant hum
  190. Hot Rod Deville filter capacitors
  191. TubeAudio Mixer Blog
  192. Peavey PV900 schematics
  193. Wurlitzer 200a Hum question
  194. Design for overdriven output stage
  195. Peavey Delta Blues Reverb Mod
  196. Toroidal transformer Q
  197. Guitar Amp Project
  198. Crate Blue Voodoo 120 Bad Pots - Can they be replaced???
  199. Peavy VB-3
  200. Fender 5E4 voltage
  201. Huntington GA 10 Input connector
  202. Ampeg SVT 3 pro- raise from the dead project
  203. Roland Mobile AC line out modification
  204. Turning old tube stuff into guitar amps
  205. 4x6GV8 proposed build
  206. trace acoustic ta100r repair help
  207. Guitar preamp, lowering output voltage
  208. New Project: BIG bass amp 4x6l6!
  209. Yamaha GA-15 Guitar Amp
  210. Opionions on analog switches vs vacrols
  211. Powered Speaker - Lo-Z Balanced Input?
  212. Behringer GM110
  213. 5E3 Tweed Deluxe distorting problem
  214. Tube Bass Preamp
  215. Help With Harsh Distortion
  216. My handwired guitar amplifier
  217. Carr Rambler
  218. Generalmusic sk880 keyboard scematic
  219. SS Tremelo for my tube intercom guitar amp
  220. Fuse type and fuse holder?
  221. Power Scaling
  222. Lots of craziness (weird noises and osc) happening in point to point 5W EL84 Amp
  223. Trying to build this preamp
  224. Hiss noise from Fender Frontman 15G, solution
  225. Bias a triode cathode negative for more gain?
  226. D.I.Y. 100 Dollar Guitar Amp ! 6V6/6L6 PP !
  227. Skytec TEC 6950 Help
  228. Switchable class
  229. Thoughts on adding preamp to bridged NAD 3140 for bass guitar
  230. A technical triode preamp question
  231. wampler faux tape echo pedal modifications
  232. Marshall 8100 buzz
  233. KMD GV100D Low distorted output
  234. Output transformer for express build
  235. Pentode pre/compressor (warning nube attempt at circuit drafting) --suppressor grid
  236. will 6x9 speaker work with guitar amp head...
  237. Behringer EP2500 Repair
  238. Vox AC4tv - 1/4 W Circuit Clone?
  239. Building an analog circuit to replace the SS circuit in Marshall MG15dfx
  240. Thoughts about a 6111-tube guitar/harp-mike direct box
  241. EL 34 / 6L6 SE Guitar Amp Project
  242. Modded Crate VC508 - Heavy 60Hz buzz
  243. 3 oscillator drone machine noise maker
  244. Tape Echo Restoration: My first project, many questions!
  245. Old Intercom guitar amp project
  246. Peavey Windsor Presence & Resonance problem
  247. Tiny terror clon Problem
  248. Amp Bias help ? Rebuild & Tube Change !
  249. Balanced/unbalanced line receiver
  250. ok time to build another one

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