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  1. Gulbransen Organ Resurrection -
  2. Strange voltage reading
  3. Tube Preamp (my first)
  4. Marshall 18W TA
  5. 2002 Fender Twin Amp **Unusual Problem**
  6. Princeton 112+ Loose PCB Pot Shaft
  7. Greenchild Trbus Drive
  8. Can someone help me proof this layout?
  9. Laney Ironheart Irt30-112
  10. Hot Rod Deluxe issue, need advise!
  11. Guitar amp and bass amp
  12. Amp Build Not Working Correctly....
  13. Tuning a ported guitar cab
  14. Who made these early Peavey 6L6GC
  15. Inc / Dec Stomp Box
  16. Alnico magnet heat?
  17. Class AB amp trouble shooting (Scope shows square not sine)
  18. *small* Bass guitar amplifier
  19. 1950 Gretsch Electromatic Artist
  20. huge voltage drop after diode rectifier
  21. Questions on open baffles speaker.
  22. Crown DC-300A
  23. Bassman AA-864 Preamp Question
  24. Blackstar combo 20 that squeals
  25. 6V6/6L6 Switchable Guitar Amp
  26. input impedance of output transformer gibson ga20rvt amp
  27. career change for Jensen TR10 spkr
  28. gibson ga15rvt and ga20rvt amps
  29. why does 1 amp run hotter than another
  30. Guitar tube Pre-amp
  31. Power supply and transformer - good pair? (Hexaphonic guitar box)
  32. Mosfet driver
  33. Mullard 5-10 for guitar ?
  34. Rotary Speaker Cabinet Project
  35. General bass amp questionnaire
  36. Looking for someone to build an acoustic guitar preamp for me
  37. any tank circuit calculator?
  38. wires on an old humbucker
  39. LEM Baby Tape Echo PSU
  40. dual-tube SE
  41. 4-ohm 212 L-Pad
  42. Replacing Power Amp in Fender FM212R
  43. built a Sunn 2000S copy
  44. Heathkit A7 amp tube lineup
  45. Bass guitar wiring
  46. hybrid amp question
  47. New Bass Rig
  48. capacitor question
  49. ampeg ss70c 2x10 guitar amp
  50. Super Reverb AA270 reverb weak
  51. Uber Newb needs ideas for Cheap Bass Amp
  52. Fender PA100 - smoke -> no sound
  53. Dynacord Eminent II Biasing and tube change
  54. Hypex UcD2kOEM Bass Power Amp Project
  55. XLR Mixer Output to 1/4" Mono Amp Input
  56. Modify Bell 3030 into a stereo guitar amp project
  57. 'distortion' knob in schematic
  58. Easy HPF for bass cab?
  59. Ampex 620 For Use As Guitar Amp
  60. Amplifiers that exceed grid leak resistance
  61. Trace-Elliot Bipolar Bear
  62. Peavey PA-100 repair question
  63. Digital volume control for instrument level signal
  64. Question about Green Ringer ring modulator
  65. Home theatre subwoofer amp project
  66. Hammond M all ocal amp
  67. Discrete Compressor pedal design
  68. Need replacement speaker advice for 4X12
  69. I fried the mp3 input of my Roland Cube 40 xl
  70. Roy Blankenship at work
  71. The Mighty MKS-20 - What I've learned
  72. Crate GX 130c
  73. A Preamp doesn't work well!! (distortion)
  74. Draining a can cap
  75. Ampalanche
  76. Ace Tone Elite
  77. Power-booster power amp section for champ
  78. Need Ideas of what to do with 50+ tip36 PNP transistors
  79. '65 bassman ab165 hiss
  80. Silvertone Organ amp conversion
  81. Mesa Subway Rocket burned up! Help!
  82. Palmer Drei (Parallel SE w/mismatched output tubes)
  83. Fuzz Face circuit with unusual Ge PNP transistors
  84. recycling old tech to make an amp
  85. Low voltage Marshall inspired amp for voltage challenged individuals.
  86. upgrading a cheap guitar amp
  87. First test of rebuilt bass guitar amp
  88. first build is ready for testing. need to confirm the first reading though.
  89. Guitar Level to Line Level Hi-Quality Preamp
  90. What's wrong with this chassis layout?
  91. National guitar amp (?) "Sportsman" help needed
  92. switch rating question
  93. Experience modifying Boss pedals?
  94. Building a serious bass cabinet
  95. Gut Shot of Gibson GA-5 Skylark
  96. OK champ-mod?
  97. Looking for a power transformer Hartke HA 4000
  98. DIY UniVibe
  99. simplest possible push pull 6v6 cathode bias guitar amp?
  100. op amp output ceiling ???
  101. Fs Ibanez Renometer
  102. novice tube amp (re)build
  103. Farfisa Combo - Reverb Replacement
  104. digipots in audio ccts
  105. Good 300-400w amp kit for a beginner?
  106. Tl806 - EMV12L vs Eminence DeltaProA
  107. Modular Synthesizer with Tubes
  108. Vox AC15TB power transformer
  109. opamp driver for reverb tank, single supply
  110. pencil tube mini amp?
  111. Swapping OP amps
  112. Oh NO!! Its French!!!
  113. Peavy Triumph 60 Clean Channel
  114. self-split dual triode output impedance?
  115. Easy Tube distortion for beginner. (v1 6418 tubes?)
  116. Princeton clone hums - analyze my build?
  117. For accordion players: MIDI accompaniment
  118. i have a few questions about 5f1 champ project.
  119. Guitar amplifier LTSpice simulation
  120. help identify unknown Output transformer leads?
  121. Bass guitar preamp using op-amps
  122. So your 5E3 is still too loud huh?
  123. Seeking troubleshooting advice for my first amp build.
  124. I need help with this preamp!!!
  125. BEHRINGER FCB1010 MOD QUESTION
  126. 2 seperate (switchable) power stages in same amp?
  127. electric guitar/mandolin preamp and effects
  128. Different approach to Harmonic Balancer question
  129. Andy Ross music "the Pro-Verb" schematics needed
  130. Harmonic Generator / guitar amp
  131. First post from a tube noob: Found 9 tubes!
  132. Valve spacing 6 x 6550
  133. plate starvation VS output tube overdrive.
  134. Best placement for a choke, VHT tube amp.
  135. Building an electret microphone Acoustic Guitar pick up. Want to ask something.
  136. Could use a second opinion.
  137. Buffering a Cathodyne Phase Splitter with Mosfets
  138. Zobel network, tone shaping, modify it !
  139. Reverb Tank for Peavey 30?
  140. Burns Orbit Three
  141. Lo budget, good sound
  142. mismatched loads on Split load PI
  143. AVT150H Issue
  144. Op-Amp Output to High-Impedance Load?
  145. Guitar Question - Pickup Crackle
  146. Found some Sunn Transformers for 2xKT88!
  147. Is my speaker ok to use with my tube amp??
  148. Help preamp 3band
  149. Behringer V-Ampire LX210/LX1200. Schematic
  150. Tube amp problem
  151. controlling effects pedals using VACTROLS
  152. How much gain does a bass preamp need?
  153. Pentode gain control in preamp
  154. proper speaker in 59 fender princeton
  155. bogen chb 100
  156. Peavy 130 Watt guitar amplifier Question
  157. Hybrid Bass Amp
  158. preamp for mfb speakers
  159. No Voltage drop across plate load resistor
  160. Guitar electronics question
  161. Steel pan acoustic feedback
  162. Help with reverb driver circuit
  163. A mad man's approach to attenuation
  164. Guitar Pedal Design EE Senior Project
  165. SWR 240W Redhead - need schematic - blowing fuses!
  166. Save an amp from a punk band! - Troubleshoot el34 12ax7 guitar amp
  167. Attempting repair on a Korg ax5G.
  168. Gallien Krueger 800RB Hi Channel Problem
  169. Home Theater subwoofer as bass amp?
  170. Mounting valve / tube sockets directly to turretboard
  171. Specific Filter Cap Replacement - Guild Bass Amp
  172. New to Tube Amps/ Issues with Tube Amps
  173. HH Bassmachine schematic wanted
  174. Ampeg B15N 1962 vs 1968
  175. Constant hum
  176. Hot Rod Deville filter capacitors
  177. Wurlitzer 200a Hum question
  178. Toroidal transformer Q
  179. Guitar Amp Project
  180. Crate Blue Voodoo 120 Bad Pots - Can they be replaced???
  181. Peavy VB-3
  182. Fender 5E4 voltage
  183. Huntington GA 10 Input connector
  184. Ampeg SVT 3 pro- raise from the dead project
  185. Roland Mobile AC line out modification
  186. Turning old tube stuff into guitar amps
  187. 4x6GV8 proposed build
  188. trace acoustic ta100r repair help
  189. Guitar preamp, lowering output voltage
  190. New Project: BIG bass amp 4x6l6!
  191. Yamaha GA-15 Guitar Amp
  192. Opionions on analog switches vs vacrols
  193. Powered Speaker - Lo-Z Balanced Input?
  194. 5E3 Tweed Deluxe distorting problem
  195. Tube Bass Preamp
  196. Help With Harsh Distortion
  197. My handwired guitar amplifier
  198. Carr Rambler
  199. Generalmusic sk880 keyboard scematic
  200. SS Tremelo for my tube intercom guitar amp
  201. Fuse type and fuse holder?
  202. Power Scaling
  203. Lots of craziness (weird noises and osc) happening in point to point 5W EL84 Amp
  204. Trying to build this preamp
  205. Hiss noise from Fender Frontman 15G, solution
  206. Bias a triode cathode negative for more gain?
  207. D.I.Y. 100 Dollar Guitar Amp ! 6V6/6L6 PP !
  208. Skytec TEC 6950 Help
  209. Switchable class
  210. Thoughts on adding preamp to bridged NAD 3140 for bass guitar
  211. A technical triode preamp question
  212. wampler faux tape echo pedal modifications
  213. KMD GV100D Low distorted output
  214. Output transformer for express build
  215. will 6x9 speaker work with guitar amp head...
  216. Vox AC4tv - 1/4 W Circuit Clone?
  217. Building an analog circuit to replace the SS circuit in Marshall MG15dfx
  218. Thoughts about a 6111-tube guitar/harp-mike direct box
  219. EL 34 / 6L6 SE Guitar Amp Project
  220. Modded Crate VC508 - Heavy 60Hz buzz
  221. 3 oscillator drone machine noise maker
  222. Tape Echo Restoration: My first project, many questions!
  223. Old Intercom guitar amp project
  224. Peavey Windsor Presence & Resonance problem
  225. Tiny terror clon Problem
  226. Amp Bias help ? Rebuild & Tube Change !
  227. Balanced/unbalanced line receiver
  228. ok time to build another one
  229. advice on building a redbox type di
  230. LF: guitar preamp suggestions for use with soundcard
  231. Ye auld bassman (another week well spent)
  232. cathode follower current draw
  233. Cathode Follower - when is it needed?
  234. Deluxe Reverb and a 6K6
  235. FIRST AMP BUILD REVISIT
  236. Diy combo guitar amp build log
  237. BV6212 mod help
  238. RC bright boost circuit math
  239. PUTTING A TREMELO IN MY DELUXE/PRINCETON
  240. London Power sustain kit
  241. Diode Clippers - How do they work?
  242. 75 Watt Vintage Bell Amplifier - pre amp ?
  243. My old Sound City 120 project
  244. Power amp without preamp stage for bass
  245. TUBE HEATER WIRING OPTIONS
  246. Burned up "choke" resistor in old Fender Super Reverb
  247. Help with Standel 25L15 Preamp Circuit
  248. PLEASE HELP ! Hum and Squeal with tube amp kit.
  249. Fender "The Twin" - no output
  250. MASCO INTERCOM - GUITAR AMP PROJECT?

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