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  1. capacitor question
  2. ampeg ss70c 2x10 guitar amp
  3. Super Reverb AA270 reverb weak
  4. Uber Newb needs ideas for Cheap Bass Amp
  5. Fender PA100 - smoke -> no sound
  6. Dynacord Eminent II Biasing and tube change
  7. Hypex UcD2kOEM Bass Power Amp Project
  8. XLR Mixer Output to 1/4" Mono Amp Input
  9. Modify Bell 3030 into a stereo guitar amp project
  10. 'distortion' knob in schematic
  11. Easy HPF for bass cab?
  12. Ampex 620 For Use As Guitar Amp
  13. potentiometer for blackface deluxe reverb
  14. +/-floating tube PSU for guitar ?! Schematic error ?
  15. Amplifiers that exceed grid leak resistance
  16. Trace-Elliot Bipolar Bear
  17. Peavey PA-100 repair question
  18. Digital volume control for instrument level signal
  19. Finished my Tube DI/Preamp
  20. Question about Green Ringer ring modulator
  21. Home theatre subwoofer amp project
  22. Troubleshooting a Fender Champion 600
  23. Hammond M all ocal amp
  24. Discrete Compressor pedal design
  25. Need replacement speaker advice for 4X12
  26. I fried the mp3 input of my Roland Cube 40 xl
  27. Unity gain power amplifier for guitar
  28. Roy Blankenship at work
  29. The Mighty MKS-20 - What I've learned
  30. Crate GX 130c
  31. A Preamp doesn't work well!! (distortion)
  32. Draining a can cap
  33. Ampalanche
  34. Ace Tone Elite
  35. Power-booster power amp section for champ
  36. Need Ideas of what to do with 50+ tip36 PNP transistors
  37. '65 bassman ab165 hiss
  38. Silvertone Organ amp conversion
  39. Mesa Subway Rocket burned up! Help!
  40. Palmer Drei (Parallel SE w/mismatched output tubes)
  41. Fuzz Face circuit with unusual Ge PNP transistors
  42. recycling old tech to make an amp
  43. Low voltage Marshall inspired amp for voltage challenged individuals.
  44. upgrading a cheap guitar amp
  45. First test of rebuilt bass guitar amp
  46. first build is ready for testing. need to confirm the first reading though.
  47. Guitar Level to Line Level Hi-Quality Preamp
  48. What's wrong with this chassis layout?
  49. National guitar amp (?) "Sportsman" help needed
  50. switch rating question
  51. Experience modifying Boss pedals?
  52. Building a serious bass cabinet
  53. Gut Shot of Gibson GA-5 Skylark
  54. OK champ-mod?
  55. Looking for a power transformer Hartke HA 4000
  56. DIY UniVibe
  57. simplest possible push pull 6v6 cathode bias guitar amp?
  58. op amp output ceiling ???
  59. Fs Ibanez Renometer
  60. novice tube amp (re)build
  61. Farfisa Combo - Reverb Replacement
  62. Roland SPD 8
  63. digipots in audio ccts
  64. Problem with a Fender MA6 Mixer Amplifier.
  65. Good 300-400w amp kit for a beginner?
  66. Tl806 - EMV12L vs Eminence DeltaProA
  67. MOSFET kits for bass guitar
  68. Modular Synthesizer with Tubes
  69. Vox AC15TB power transformer
  70. opamp driver for reverb tank, single supply
  71. pencil tube mini amp?
  72. Swapping OP amps
  73. Oh NO!! Its French!!!
  74. Latest project, valve stereo disco mixer
  75. Peavy Triumph 60 Clean Channel
  76. self-split dual triode output impedance?
  77. Easy Tube distortion for beginner. (v1 6418 tubes?)
  78. Princeton clone hums - analyze my build?
  79. For accordion players: MIDI accompaniment
  80. Service Manual Peavey CS400 Stereo
  81. i have a few questions about 5f1 champ project.
  82. Guitar amplifier LTSpice simulation
  83. help identify unknown Output transformer leads?
  84. Bass guitar preamp using op-amps
  85. So your 5E3 is still too loud huh?
  86. Seeking troubleshooting advice for my first amp build.
  87. I need help with this preamp!!!
  88. BEHRINGER FCB1010 MOD QUESTION
  89. 2 seperate (switchable) power stages in same amp?
  90. electric guitar/mandolin preamp and effects
  91. Different approach to Harmonic Balancer question
  92. Andy Ross music "the Pro-Verb" schematics needed
  93. Harmonic Generator / guitar amp
  94. First post from a tube noob: Found 9 tubes!
  95. Valve based disco mixer.
  96. On-Board Guitar Pickup Preamp: Op-Amp Choice?
  97. Peavey Series 300 mixer/amp scehamtics
  98. Peavey Renown 112 schematics
  99. Valve spacing 6 x 6550
  100. plate starvation VS output tube overdrive.
  101. Best placement for a choke, VHT tube amp.
  102. peavey pv2600 dc kick on power off
  103. need to build guitar pre-amp
  104. Building an electret microphone Acoustic Guitar pick up. Want to ask something.
  105. Could use a second opinion.
  106. Buffering a Cathodyne Phase Splitter with Mosfets
  107. Zobel network, tone shaping, modify it !
  108. Reverb Tank for Peavey 30?
  109. Burns Orbit Three
  110. Lo budget, good sound
  111. mismatched loads on Split load PI
  112. Peavey PV900 voltage measurements
  113. AVT150H Issue
  114. Op-Amp Output to High-Impedance Load?
  115. Guitar Question - Pickup Crackle
  116. Found some Sunn Transformers for 2xKT88!
  117. Is my speaker ok to use with my tube amp??
  118. Help preamp 3band
  119. Behringer V-Ampire LX210/LX1200. Schematic
  120. Tube amp problem
  121. controlling effects pedals using VACTROLS
  122. How much gain does a bass preamp need?
  123. Mic preamp input transformer alternative?
  124. Pentode gain control in preamp
  125. proper speaker in 59 fender princeton
  126. bogen chb 100
  127. Peavy 130 Watt guitar amplifier Question
  128. Hybrid Bass Amp
  129. Peavey PV-500 schenmatics.
  130. preamp for mfb speakers
  131. No Voltage drop across plate load resistor
  132. Guitar electronics question
  133. Steel pan acoustic feedback
  134. Help with reverb driver circuit
  135. A mad man's approach to attenuation
  136. Guitar Pedal Design EE Senior Project
  137. SWR 240W Redhead - need schematic - blowing fuses!
  138. Save an amp from a punk band! - Troubleshoot el34 12ax7 guitar amp
  139. Attempting repair on a Korg ax5G.
  140. Gallien Krueger 800RB Hi Channel Problem
  141. Home Theater subwoofer as bass amp?
  142. Mounting valve / tube sockets directly to turretboard
  143. Specific Filter Cap Replacement - Guild Bass Amp
  144. Gallien Krueger 800RB Hi Channel Problem
  145. New to Tube Amps/ Issues with Tube Amps
  146. HH Bassmachine schematic wanted
  147. Ampeg B15N 1962 vs 1968
  148. Roland RE-201 tapeecho improvements
  149. Constant hum
  150. Hot Rod Deville filter capacitors
  151. TubeAudio Mixer Blog
  152. Peavey PV900 schematics
  153. Wurlitzer 200a Hum question
  154. Design for overdriven output stage
  155. Peavey Delta Blues Reverb Mod
  156. Toroidal transformer Q
  157. Guitar Amp Project
  158. Crate Blue Voodoo 120 Bad Pots - Can they be replaced???
  159. Peavy VB-3
  160. Fender 5E4 voltage
  161. Huntington GA 10 Input connector
  162. Ampeg SVT 3 pro- raise from the dead project
  163. Roland Mobile AC line out modification
  164. Turning old tube stuff into guitar amps
  165. 4x6GV8 proposed build
  166. trace acoustic ta100r repair help
  167. Guitar preamp, lowering output voltage
  168. New Project: BIG bass amp 4x6l6!
  169. Yamaha GA-15 Guitar Amp
  170. Opionions on analog switches vs vacrols
  171. Powered Speaker - Lo-Z Balanced Input?
  172. Behringer GM110
  173. 5E3 Tweed Deluxe distorting problem
  174. Tube Bass Preamp
  175. Help With Harsh Distortion
  176. My handwired guitar amplifier
  177. Carr Rambler
  178. Generalmusic sk880 keyboard scematic
  179. SS Tremelo for my tube intercom guitar amp
  180. Fuse type and fuse holder?
  181. Power Scaling
  182. Lots of craziness (weird noises and osc) happening in point to point 5W EL84 Amp
  183. Trying to build this preamp
  184. Hiss noise from Fender Frontman 15G, solution
  185. Bias a triode cathode negative for more gain?
  186. D.I.Y. 100 Dollar Guitar Amp ! 6V6/6L6 PP !
  187. Skytec TEC 6950 Help
  188. Switchable class
  189. Thoughts on adding preamp to bridged NAD 3140 for bass guitar
  190. A technical triode preamp question
  191. wampler faux tape echo pedal modifications
  192. Marshall 8100 buzz
  193. KMD GV100D Low distorted output
  194. Output transformer for express build
  195. Pentode pre/compressor (warning nube attempt at circuit drafting) --suppressor grid
  196. will 6x9 speaker work with guitar amp head...
  197. Behringer EP2500 Repair
  198. Vox AC4tv - 1/4 W Circuit Clone?
  199. Building an analog circuit to replace the SS circuit in Marshall MG15dfx
  200. Thoughts about a 6111-tube guitar/harp-mike direct box
  201. EL 34 / 6L6 SE Guitar Amp Project
  202. Modded Crate VC508 - Heavy 60Hz buzz
  203. 3 oscillator drone machine noise maker
  204. Tape Echo Restoration: My first project, many questions!
  205. Old Intercom guitar amp project
  206. Peavey Windsor Presence & Resonance problem
  207. Tiny terror clon Problem
  208. Amp Bias help ? Rebuild & Tube Change !
  209. Balanced/unbalanced line receiver
  210. ok time to build another one
  211. advice on building a redbox type di
  212. Earth SuperBass B-2000 bass head info needed
  213. LF: guitar preamp suggestions for use with soundcard
  214. Ye auld bassman (another week well spent)
  215. DIY Class A BJT Guitar Preamp problems
  216. Could someone tell me more about the Mesa Boogie Strategy 400?
  217. cathode follower current draw
  218. Marshall Guitar Conversion 12AX7 Replacement
  219. Cathode Follower - when is it needed?
  220. Deluxe Reverb and a 6K6
  221. Roland SPA-240
  222. FIRST AMP BUILD REVISIT
  223. Diy combo guitar amp build log
  224. BV6212 mod help
  225. RC bright boost circuit math
  226. PUTTING A TREMELO IN MY DELUXE/PRINCETON
  227. London Power sustain kit
  228. Diode Clippers - How do they work?
  229. 75 Watt Vintage Bell Amplifier - pre amp ?
  230. Peavey Backstage 50
  231. My old Sound City 120 project
  232. reviving an old Randall RGT100
  233. Power amp without preamp stage for bass
  234. TUBE HEATER WIRING OPTIONS
  235. Burned up "choke" resistor in old Fender Super Reverb
  236. Help with Standel 25L15 Preamp Circuit
  237. PLEASE HELP ! Hum and Squeal with tube amp kit.
  238. Fender "The Twin" - no output
  239. MASCO INTERCOM - GUITAR AMP PROJECT?
  240. Hot Glue film caps to another component (Orange Roland Cube 60)
  241. Guitar amp kits
  242. Why does a different OT soound so different?
  243. Creating a Speaker Out from Line Out?
  244. Anyone ever shaved a resistor?
  245. What Foam Should I Use ?
  246. Entirely DIY Guitar Amp Build Log
  247. Tube Amps and Ambient Temperature and Humidity
  248. Noise Fender Tweed Deluxe Clone
  249. Hum issue tube bass preamp
  250. Valve preamp for bass guitar

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