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  1. 18W homemade tube amp - Need advise
  2. compression/expansion control in guitar preamp
  3. 6gk5/6fq5 as input/preamp stage tube ?
  4. Isolation transformer question
  5. Couple Questions - Grid Stoppers and High Cut
  6. thoughts on heater wiring orientation
  7. Testing The Tube Guitar Amplifier
  8. JTM45 Bias Voltage moving around & bad distortion
  9. Connect plate after choke?
  10. blackstar stage 60 diy
  11. Question 'bout valve stompboxes
  12. 1965 Fender Deluxe Reverb - DI Connection?
  13. Buffer stage after Alembic F2b design
  14. Odd noises; guitar, environment, or amp?
  15. Fender reverb stand-alone
  16. master volume addition - Webster Chicago W830
  17. noiseless diodes setup choice
  18. Help choose a guitar amp to build?
  19. Weirdness with virtual CT on 6V heater tap
  20. Marshall 1974X
  21. Preamp Output Transformer
  22. Traynor YCL-3 Mark III Rebuild
  23. Sunn Sceptre Style Build
  24. Pepco (Pine Electronics) 801 Chassis Isolation Mod
  25. Fender Bassman AA864 build
  26. Gulbransen Organ Resurrection -
  27. Strange voltage reading
  28. Tube Preamp (my first)
  29. Marshall 18W TA
  30. 2002 Fender Twin Amp **Unusual Problem**
  31. Princeton 112+ Loose PCB Pot Shaft
  32. Greenchild Trbus Drive
  33. Can someone help me proof this layout?
  34. Laney Ironheart Irt30-112
  35. Hot Rod Deluxe issue, need advise!
  36. Guitar amp and bass amp
  37. Amp Build Not Working Correctly....
  38. Tuning a ported guitar cab
  39. Who made these early Peavey 6L6GC
  40. Inc / Dec Stomp Box
  41. Alnico magnet heat?
  42. Class AB amp trouble shooting (Scope shows square not sine)
  43. *small* Bass guitar amplifier
  44. 1950 Gretsch Electromatic Artist
  45. huge voltage drop after diode rectifier
  46. Questions on open baffles speaker.
  47. Crown DC-300A
  48. Bassman AA-864 Preamp Question
  49. Blackstar combo 20 that squeals
  50. 6V6/6L6 Switchable Guitar Amp
  51. input impedance of output transformer gibson ga20rvt amp
  52. career change for Jensen TR10 spkr
  53. gibson ga15rvt and ga20rvt amps
  54. why does 1 amp run hotter than another
  55. Guitar tube Pre-amp
  56. Power supply and transformer - good pair? (Hexaphonic guitar box)
  57. Mosfet driver
  58. Mullard 5-10 for guitar ?
  59. Rotary Speaker Cabinet Project
  60. General bass amp questionnaire
  61. Looking for someone to build an acoustic guitar preamp for me
  62. any tank circuit calculator?
  63. wires on an old humbucker
  64. LEM Baby Tape Echo PSU
  65. dual-tube SE
  66. 4-ohm 212 L-Pad
  67. Replacing Power Amp in Fender FM212R
  68. built a Sunn 2000S copy
  69. Heathkit A7 amp tube lineup
  70. Bass guitar wiring
  71. hybrid amp question
  72. New Bass Rig
  73. capacitor question
  74. ampeg ss70c 2x10 guitar amp
  75. Super Reverb AA270 reverb weak
  76. Uber Newb needs ideas for Cheap Bass Amp
  77. Fender PA100 - smoke -> no sound
  78. Dynacord Eminent II Biasing and tube change
  79. Hypex UcD2kOEM Bass Power Amp Project
  80. XLR Mixer Output to 1/4" Mono Amp Input
  81. Modify Bell 3030 into a stereo guitar amp project
  82. 'distortion' knob in schematic
  83. Easy HPF for bass cab?
  84. Ampex 620 For Use As Guitar Amp
  85. Amplifiers that exceed grid leak resistance
  86. Trace-Elliot Bipolar Bear
  87. Peavey PA-100 repair question
  88. Digital volume control for instrument level signal
  89. Question about Green Ringer ring modulator
  90. Home theatre subwoofer amp project
  91. Hammond M all ocal amp
  92. Discrete Compressor pedal design
  93. Need replacement speaker advice for 4X12
  94. I fried the mp3 input of my Roland Cube 40 xl
  95. Roy Blankenship at work
  96. The Mighty MKS-20 - What I've learned
  97. Crate GX 130c
  98. A Preamp doesn't work well!! (distortion)
  99. Draining a can cap
  100. Ampalanche
  101. Ace Tone Elite
  102. Power-booster power amp section for champ
  103. Need Ideas of what to do with 50+ tip36 PNP transistors
  104. '65 bassman ab165 hiss
  105. Silvertone Organ amp conversion
  106. Mesa Subway Rocket burned up! Help!
  107. Palmer Drei (Parallel SE w/mismatched output tubes)
  108. Fuzz Face circuit with unusual Ge PNP transistors
  109. recycling old tech to make an amp
  110. Low voltage Marshall inspired amp for voltage challenged individuals.
  111. upgrading a cheap guitar amp
  112. First test of rebuilt bass guitar amp
  113. first build is ready for testing. need to confirm the first reading though.
  114. Guitar Level to Line Level Hi-Quality Preamp
  115. What's wrong with this chassis layout?
  116. National guitar amp (?) "Sportsman" help needed
  117. switch rating question
  118. Experience modifying Boss pedals?
  119. Building a serious bass cabinet
  120. Gut Shot of Gibson GA-5 Skylark
  121. OK champ-mod?
  122. Looking for a power transformer Hartke HA 4000
  123. DIY UniVibe
  124. simplest possible push pull 6v6 cathode bias guitar amp?
  125. op amp output ceiling ???
  126. Fs Ibanez Renometer
  127. novice tube amp (re)build
  128. Farfisa Combo - Reverb Replacement
  129. digipots in audio ccts
  130. Good 300-400w amp kit for a beginner?
  131. Tl806 - EMV12L vs Eminence DeltaProA
  132. Modular Synthesizer with Tubes
  133. Vox AC15TB power transformer
  134. opamp driver for reverb tank, single supply
  135. pencil tube mini amp?
  136. Swapping OP amps
  137. Oh NO!! Its French!!!
  138. Peavy Triumph 60 Clean Channel
  139. self-split dual triode output impedance?
  140. Easy Tube distortion for beginner. (v1 6418 tubes?)
  141. Princeton clone hums - analyze my build?
  142. For accordion players: MIDI accompaniment
  143. i have a few questions about 5f1 champ project.
  144. Guitar amplifier LTSpice simulation
  145. help identify unknown Output transformer leads?
  146. Bass guitar preamp using op-amps
  147. So your 5E3 is still too loud huh?
  148. Seeking troubleshooting advice for my first amp build.
  149. I need help with this preamp!!!
  150. BEHRINGER FCB1010 MOD QUESTION
  151. 2 seperate (switchable) power stages in same amp?
  152. electric guitar/mandolin preamp and effects
  153. Different approach to Harmonic Balancer question
  154. Andy Ross music "the Pro-Verb" schematics needed
  155. Harmonic Generator / guitar amp
  156. First post from a tube noob: Found 9 tubes!
  157. Valve spacing 6 x 6550
  158. plate starvation VS output tube overdrive.
  159. Best placement for a choke, VHT tube amp.
  160. Building an electret microphone Acoustic Guitar pick up. Want to ask something.
  161. Could use a second opinion.
  162. Buffering a Cathodyne Phase Splitter with Mosfets
  163. Zobel network, tone shaping, modify it !
  164. Reverb Tank for Peavey 30?
  165. Burns Orbit Three
  166. Lo budget, good sound
  167. mismatched loads on Split load PI
  168. AVT150H Issue
  169. Op-Amp Output to High-Impedance Load?
  170. Guitar Question - Pickup Crackle
  171. Found some Sunn Transformers for 2xKT88!
  172. Is my speaker ok to use with my tube amp??
  173. Help preamp 3band
  174. Behringer V-Ampire LX210/LX1200. Schematic
  175. Tube amp problem
  176. controlling effects pedals using VACTROLS
  177. How much gain does a bass preamp need?
  178. Pentode gain control in preamp
  179. proper speaker in 59 fender princeton
  180. bogen chb 100
  181. Peavy 130 Watt guitar amplifier Question
  182. Hybrid Bass Amp
  183. preamp for mfb speakers
  184. No Voltage drop across plate load resistor
  185. Guitar electronics question
  186. Steel pan acoustic feedback
  187. Help with reverb driver circuit
  188. A mad man's approach to attenuation
  189. Guitar Pedal Design EE Senior Project
  190. SWR 240W Redhead - need schematic - blowing fuses!
  191. Save an amp from a punk band! - Troubleshoot el34 12ax7 guitar amp
  192. Attempting repair on a Korg ax5G.
  193. Gallien Krueger 800RB Hi Channel Problem
  194. Home Theater subwoofer as bass amp?
  195. Mounting valve / tube sockets directly to turretboard
  196. Specific Filter Cap Replacement - Guild Bass Amp
  197. New to Tube Amps/ Issues with Tube Amps
  198. HH Bassmachine schematic wanted
  199. Ampeg B15N 1962 vs 1968
  200. Constant hum
  201. Hot Rod Deville filter capacitors
  202. Wurlitzer 200a Hum question
  203. Toroidal transformer Q
  204. Guitar Amp Project
  205. Crate Blue Voodoo 120 Bad Pots - Can they be replaced???
  206. Peavy VB-3
  207. Fender 5E4 voltage
  208. Huntington GA 10 Input connector
  209. Ampeg SVT 3 pro- raise from the dead project
  210. Roland Mobile AC line out modification
  211. Turning old tube stuff into guitar amps
  212. 4x6GV8 proposed build
  213. trace acoustic ta100r repair help
  214. Guitar preamp, lowering output voltage
  215. New Project: BIG bass amp 4x6l6!
  216. Yamaha GA-15 Guitar Amp
  217. Opionions on analog switches vs vacrols
  218. Powered Speaker - Lo-Z Balanced Input?
  219. 5E3 Tweed Deluxe distorting problem
  220. Tube Bass Preamp
  221. Help With Harsh Distortion
  222. My handwired guitar amplifier
  223. Carr Rambler
  224. Generalmusic sk880 keyboard scematic
  225. SS Tremelo for my tube intercom guitar amp
  226. Fuse type and fuse holder?
  227. Power Scaling
  228. Lots of craziness (weird noises and osc) happening in point to point 5W EL84 Amp
  229. Trying to build this preamp
  230. Hiss noise from Fender Frontman 15G, solution
  231. Bias a triode cathode negative for more gain?
  232. D.I.Y. 100 Dollar Guitar Amp ! 6V6/6L6 PP !
  233. Skytec TEC 6950 Help
  234. Switchable class
  235. Thoughts on adding preamp to bridged NAD 3140 for bass guitar
  236. A technical triode preamp question
  237. wampler faux tape echo pedal modifications
  238. KMD GV100D Low distorted output
  239. Output transformer for express build
  240. will 6x9 speaker work with guitar amp head...
  241. Vox AC4tv - 1/4 W Circuit Clone?
  242. Building an analog circuit to replace the SS circuit in Marshall MG15dfx
  243. Thoughts about a 6111-tube guitar/harp-mike direct box
  244. EL 34 / 6L6 SE Guitar Amp Project
  245. Modded Crate VC508 - Heavy 60Hz buzz
  246. 3 oscillator drone machine noise maker
  247. Tape Echo Restoration: My first project, many questions!
  248. Old Intercom guitar amp project
  249. Peavey Windsor Presence & Resonance problem
  250. Tiny terror clon Problem

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