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  1. '65 bassman ab165 hiss
  2. Silvertone Organ amp conversion
  3. Mesa Subway Rocket burned up! Help!
  4. Palmer Drei (Parallel SE w/mismatched output tubes)
  5. Fuzz Face circuit with unusual Ge PNP transistors
  6. recycling old tech to make an amp
  7. Low voltage Marshall inspired amp for voltage challenged individuals.
  8. upgrading a cheap guitar amp
  9. First test of rebuilt bass guitar amp
  10. first build is ready for testing. need to confirm the first reading though.
  11. Guitar Level to Line Level Hi-Quality Preamp
  12. What's wrong with this chassis layout?
  13. National guitar amp (?) "Sportsman" help needed
  14. switch rating question
  15. Experience modifying Boss pedals?
  16. Building a serious bass cabinet
  17. Gut Shot of Gibson GA-5 Skylark
  18. OK champ-mod?
  19. Looking for a power transformer Hartke HA 4000
  20. DIY UniVibe
  21. simplest possible push pull 6v6 cathode bias guitar amp?
  22. op amp output ceiling ???
  23. Fs Ibanez Renometer
  24. novice tube amp (re)build
  25. Farfisa Combo - Reverb Replacement
  26. Roland SPD 8
  27. digipots in audio ccts
  28. Problem with a Fender MA6 Mixer Amplifier.
  29. Good 300-400w amp kit for a beginner?
  30. Tl806 - EMV12L vs Eminence DeltaProA
  31. MOSFET kits for bass guitar
  32. Modular Synthesizer with Tubes
  33. Vox AC15TB power transformer
  34. opamp driver for reverb tank, single supply
  35. pencil tube mini amp?
  36. Swapping OP amps
  37. Oh NO!! Its French!!!
  38. Latest project, valve stereo disco mixer
  39. Peavy Triumph 60 Clean Channel
  40. self-split dual triode output impedance?
  41. Easy Tube distortion for beginner. (v1 6418 tubes?)
  42. Princeton clone hums - analyze my build?
  43. For accordion players: MIDI accompaniment
  44. Service Manual Peavey CS400 Stereo
  45. i have a few questions about 5f1 champ project.
  46. Guitar amplifier LTSpice simulation
  47. help identify unknown Output transformer leads?
  48. Bass guitar preamp using op-amps
  49. So your 5E3 is still too loud huh?
  50. Seeking troubleshooting advice for my first amp build.
  51. I need help with this preamp!!!
  52. BEHRINGER FCB1010 MOD QUESTION
  53. 2 seperate (switchable) power stages in same amp?
  54. electric guitar/mandolin preamp and effects
  55. Different approach to Harmonic Balancer question
  56. Andy Ross music "the Pro-Verb" schematics needed
  57. Harmonic Generator / guitar amp
  58. First post from a tube noob: Found 9 tubes!
  59. Valve based disco mixer.
  60. On-Board Guitar Pickup Preamp: Op-Amp Choice?
  61. Peavey Series 300 mixer/amp scehamtics
  62. Peavey Renown 112 schematics
  63. Valve spacing 6 x 6550
  64. plate starvation VS output tube overdrive.
  65. Best placement for a choke, VHT tube amp.
  66. peavey pv2600 dc kick on power off
  67. need to build guitar pre-amp
  68. Building an electret microphone Acoustic Guitar pick up. Want to ask something.
  69. Could use a second opinion.
  70. Buffering a Cathodyne Phase Splitter with Mosfets
  71. Zobel network, tone shaping, modify it !
  72. Reverb Tank for Peavey 30?
  73. Burns Orbit Three
  74. Lo budget, good sound
  75. mismatched loads on Split load PI
  76. Peavey PV900 voltage measurements
  77. AVT150H Issue
  78. Op-Amp Output to High-Impedance Load?
  79. Guitar Question - Pickup Crackle
  80. Found some Sunn Transformers for 2xKT88!
  81. Is my speaker ok to use with my tube amp??
  82. Help preamp 3band
  83. Behringer V-Ampire LX210/LX1200. Schematic
  84. Tube amp problem
  85. controlling effects pedals using VACTROLS
  86. How much gain does a bass preamp need?
  87. Mic preamp input transformer alternative?
  88. Pentode gain control in preamp
  89. proper speaker in 59 fender princeton
  90. bogen chb 100
  91. Peavy 130 Watt guitar amplifier Question
  92. Hybrid Bass Amp
  93. Peavey PV-500 schenmatics.
  94. preamp for mfb speakers
  95. No Voltage drop across plate load resistor
  96. Guitar electronics question
  97. Steel pan acoustic feedback
  98. Help with reverb driver circuit
  99. A mad man's approach to attenuation
  100. Guitar Pedal Design EE Senior Project
  101. SWR 240W Redhead - need schematic - blowing fuses!
  102. Save an amp from a punk band! - Troubleshoot el34 12ax7 guitar amp
  103. Attempting repair on a Korg ax5G.
  104. Gallien Krueger 800RB Hi Channel Problem
  105. Home Theater subwoofer as bass amp?
  106. Mounting valve / tube sockets directly to turretboard
  107. Specific Filter Cap Replacement - Guild Bass Amp
  108. Gallien Krueger 800RB Hi Channel Problem
  109. New to Tube Amps/ Issues with Tube Amps
  110. HH Bassmachine schematic wanted
  111. Ampeg B15N 1962 vs 1968
  112. Roland RE-201 tapeecho improvements
  113. Constant hum
  114. Hot Rod Deville filter capacitors
  115. TubeAudio Mixer Blog
  116. Peavey PV900 schematics
  117. Wurlitzer 200a Hum question
  118. Design for overdriven output stage
  119. Peavey Delta Blues Reverb Mod
  120. Toroidal transformer Q
  121. Guitar Amp Project
  122. Crate Blue Voodoo 120 Bad Pots - Can they be replaced???
  123. Peavy VB-3
  124. Fender 5E4 voltage
  125. Huntington GA 10 Input connector
  126. Ampeg SVT 3 pro- raise from the dead project
  127. Roland Mobile AC line out modification
  128. Turning old tube stuff into guitar amps
  129. 4x6GV8 proposed build
  130. trace acoustic ta100r repair help
  131. Guitar preamp, lowering output voltage
  132. New Project: BIG bass amp 4x6l6!
  133. Yamaha GA-15 Guitar Amp
  134. Opionions on analog switches vs vacrols
  135. Powered Speaker - Lo-Z Balanced Input?
  136. Behringer GM110
  137. 5E3 Tweed Deluxe distorting problem
  138. Tube Bass Preamp
  139. Help With Harsh Distortion
  140. My handwired guitar amplifier
  141. Carr Rambler
  142. Generalmusic sk880 keyboard scematic
  143. SS Tremelo for my tube intercom guitar amp
  144. Fuse type and fuse holder?
  145. Power Scaling
  146. Lots of craziness (weird noises and osc) happening in point to point 5W EL84 Amp
  147. Trying to build this preamp
  148. Hiss noise from Fender Frontman 15G, solution
  149. Bias a triode cathode negative for more gain?
  150. D.I.Y. 100 Dollar Guitar Amp ! 6V6/6L6 PP !
  151. Skytec TEC 6950 Help
  152. Switchable class
  153. Thoughts on adding preamp to bridged NAD 3140 for bass guitar
  154. A technical triode preamp question
  155. wampler faux tape echo pedal modifications
  156. Marshall 8100 buzz
  157. KMD GV100D Low distorted output
  158. Output transformer for express build
  159. Pentode pre/compressor (warning nube attempt at circuit drafting) --suppressor grid
  160. will 6x9 speaker work with guitar amp head...
  161. Behringer EP2500 Repair
  162. Vox AC4tv - 1/4 W Circuit Clone?
  163. Building an analog circuit to replace the SS circuit in Marshall MG15dfx
  164. Thoughts about a 6111-tube guitar/harp-mike direct box
  165. EL 34 / 6L6 SE Guitar Amp Project
  166. Modded Crate VC508 - Heavy 60Hz buzz
  167. 3 oscillator drone machine noise maker
  168. Tape Echo Restoration: My first project, many questions!
  169. Old Intercom guitar amp project
  170. Peavey Windsor Presence & Resonance problem
  171. Tiny terror clon Problem
  172. Amp Bias help ? Rebuild & Tube Change !
  173. Balanced/unbalanced line receiver
  174. ok time to build another one
  175. advice on building a redbox type di
  176. Earth SuperBass B-2000 bass head info needed
  177. LF: guitar preamp suggestions for use with soundcard
  178. Ye auld bassman (another week well spent)
  179. DIY Class A BJT Guitar Preamp problems
  180. Could someone tell me more about the Mesa Boogie Strategy 400?
  181. cathode follower current draw
  182. Marshall Guitar Conversion 12AX7 Replacement
  183. Cathode Follower - when is it needed?
  184. Deluxe Reverb and a 6K6
  185. Roland SPA-240
  186. FIRST AMP BUILD REVISIT
  187. Diy combo guitar amp build log
  188. BV6212 mod help
  189. RC bright boost circuit math
  190. PUTTING A TREMELO IN MY DELUXE/PRINCETON
  191. London Power sustain kit
  192. Diode Clippers - How do they work?
  193. 75 Watt Vintage Bell Amplifier - pre amp ?
  194. Peavey Backstage 50
  195. My old Sound City 120 project
  196. reviving an old Randall RGT100
  197. Power amp without preamp stage for bass
  198. TUBE HEATER WIRING OPTIONS
  199. Burned up "choke" resistor in old Fender Super Reverb
  200. Help with Standel 25L15 Preamp Circuit
  201. PLEASE HELP ! Hum and Squeal with tube amp kit.
  202. Fender "The Twin" - no output
  203. MASCO INTERCOM - GUITAR AMP PROJECT?
  204. Hot Glue film caps to another component (Orange Roland Cube 60)
  205. Guitar amp kits
  206. Why does a different OT soound so different?
  207. Creating a Speaker Out from Line Out?
  208. Anyone ever shaved a resistor?
  209. What Foam Should I Use ?
  210. Entirely DIY Guitar Amp Build Log
  211. Tube Amps and Ambient Temperature and Humidity
  212. Noise Fender Tweed Deluxe Clone
  213. Hum issue tube bass preamp
  214. Valve preamp for bass guitar
  215. Early Fender Non-Opto Vibrato/Tremelo Circuit
  216. MG100 HDFX no power HELP!!
  217. Ampeg vt60 tri ax (did it really exist?)
  218. Marshall 9100 220V to 110V conversion
  219. Guitar Case
  220. Egnator Vengeance volume problems
  221. What would YOU do with an xtra 5v winding
  222. Happy new year
  223. '71 Fender Vibrolux Reverb - tone and vibrato issue
  224. Need a little help converting a PA amp to a guitar amp
  225. 3 STAGE PREAMP NOT BETTER THAN 2!
  226. Wanting to build a guitar power amp (SS/tube)
  227. Car amp with pro woofer?
  228. Pure DIY Guitar Amp Project Ending...
  229. Harmony tube amp hum is back
  230. Small "Vintage" Guitar Amp Build
  231. HK guitar amp - help with repair
  232. Biasing a guitar amp 12AX7 - does it even matter?
  233. AB763 Vibrato problem
  234. Fender Tone Controls
  235. Feedback on a new motion-based MIDI controller (iPhone/iPod)
  236. PREAMP PLATE VOLTAGE EFFECTS
  237. Rewiring a dual primary as a single? (Squirrel Monkey Amp)
  238. Tremelo
  239. PLAYING WITH MY DELUXE 5E3 BREADBOARD
  240. Scorched Classic 50
  241. President Bassman (jeez I hate breadboard)
  242. DIY portable musical staircase
  243. Crate G1600xl 's sound going in and out
  244. Roland HP-1 Digital Piano with noise fault
  245. 5E3 Cathodyne phase inverter balancing
  246. GX40-C+ Schematic request
  247. My breadboard 5E3 deluxe rocks!
  248. .SCH
  249. Guitar preamp x stereo boombox
  250. Output transformer for 807s?

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