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  1. Guitar Amplifier Hum Varies with Volume Knob
  2. Boss CE-1 (original Chorus Ensamble) Repair/Mod
  3. help with MIDI for pic16f1789 ???
  4. A simple piezo snare drum
  6. Fender potentiometers nomenclature
  7. equipment penyata .
  8. add another output transformer
  9. 120W KT88 PPP bass amp progress + pics!
  12. Ampeg VT-22 dead OT?
  13. Please critique my first compressor design (for bass guitar)
  14. Marshall Valvestate 2000 not playing through speaker
  15. 12AU7 Cascode in tube amp?
  16. Sweet distortion
  17. Silvertone 1451 -Mystery adjustable cap
  18. 8 Ohm 2X12 Guitar Speaker cabinet - 2X4 Ohms in series or 2X16 Ohms in parallel?
  19. Guitar opamp Pre-amp input resistors
  20. Another avt150
  21. Princeton 112 Plus - Intermittent "Popping"
  22. Need Pinout Help, Silvertone Organ Amp
  23. Amp project for a newbie?
  24. Piezo Film Buffer and Amp Combo for Guitar Electronics
  25. Detuned Demystified
  26. layout: room between OT and EL34
  27. DC offset problem with TALMUS amplifier
  28. Vintage Amfiton-002 Hi-Fi amplifier for acoustic guitar
  29. help! Variable Frequency/Varible Q Boost/Cut tone circuit for tube bass amp.
  30. Ground loop hum and audio isolation trasformers
  32. PI introducing funny problems.
  33. Hum from guitar amp
  35. I designed an amp- would anyone like to build it for me?
  36. High Gain Tube Preamp Hiss
  37. Introductions/18 Watt Clone
  38. Hot Cathode Follower Resistor
  39. Made Guitar preamp, suggestions on schematic
  40. Need help ID'ing my Champ PT
  41. Fishman SA220 Schematic needed...
  42. Fender Frontman 212
  43. EL84 Tone Stack
  44. Hammond PR-40 Conversion to guitar amp
  45. Gibson GA-8T tremolo fault
  46. Acoustic guitar 2-channel preamplifier schematic
  47. rauland 3075 info needed
  48. Bias Switch w/ Heater Elevation
  49. The Alesis SR16 warning
  50. Guitar Speaker Cab/ PA Mixer Amp
  51. Ukulele pickup system of piezo SBT & ECM mic
  52. Fishman Rare Earth Blend replica
  53. 6L6GC Tube Orientation
  54. do I need a cathode follower?
  55. Hammond 307A Audio Transformer
  56. Passive Guitar Output Splitter WITHOUT Transformer
  57. Reverb gain on Fender Princeton 112+
  58. More power out of bass combo
  59. what happens to voltage when I add a good choke
  60. Variable feedback vs. input attenuation
  61. choosing new output tubes for mongrel amp
  62. Harsh 12AT7 PI. Brand or model?
  63. Help wanted. A very strange error.
  64. Guitar Tube Preamp
  65. Fixing a Peavey Transtube Amp
  66. Issues with model T (ish) Clone
  67. Boss BD-2 No Suund
  68. Gretsch6151 preamp fun project - Goes silent when tremolo tube is put in
  69. champ hop-up vs. new Angela super-single-ended build
  70. Peavey Triumph 60
  71. Hey Everybody (DIY Acoustic Amplifier)
  72. EF86 with EL84 pushpull
  73. Valve amp rebuild help
  74. OPT impedances
  75. crest fa2401 lose connection trace
  77. BJT/tube hybrid power amp with adjustable distortion
  78. Sag resistor
  80. Double amplification
  81. Blue label jensen stock in champs?
  82. questions on Svetlana/Tube Town EF86 mic stage
  83. Tremolo Circuit Design Beating
  84. old penncrest stereo amp to basic tube amp
  85. gibson L6s guitar tone control inductor
  86. carlsbro cobra 90 twin gone wrong
  87. Marshall Plexi Clone
  88. How to add volume to TDA8541 circuit?
  89. looking for Guitar amp
  90. Guitar piezo preamp
  91. effects powersupply
  92. Introduction and survey for gear junkies!
  93. Technical help with screen grid voltages
  94. tube amp no sound only buzz
  95. Critique my preamp design
  96. How is an acoustic amp different from a regular amp?
  97. el34 output transformer, 3 or 5 wire ~?
  98. Designing a Tube Line Driver / Pre-amp
  99. KT88 Tube Guitar Power Amp
  100. Guitar preamp with EQ and blend
  101. Building drum machine modules
  102. AB International 400 Power Amplifier Repair
  103. **** me, I bought the wrong box.
  104. Fender Frontman 212R - Extremely Loud Popping Noises..
  105. AC30 problem
  106. Damn, what chord is that?
  107. 20Segi tube amp
  108. Pedalboard Mounted Power Amp
  109. Homemade Leslie cabinet
  110. Tube ID needed
  111. Simple shematics for line level distorsion
  112. Fender pro reverb AA1069 nasty noise on normal channel
  113. Bias voltage problem
  114. Need help starting keyboard mod project
  115. Bright Cap, Yes or No or Maybe
  116. Gibson L6S guitar wiring
  117. Hex sustainer thingy
  118. Marshall B65 Schematic
  119. Golden Age Pre 73
  120. Piezo sensor - mounting woes
  121. Looking for high-fi condenser capsule
  122. I bought a box of old valves, some new in box and I want to build some projects
  123. 6550s
  124. Marshall VS 8080 IC1 Blowing.
  125. strange preamp
  126. Marshall 1960 Celestion G12t-75 ohm?
  127. 72 Twin reverb
  128. 6v6 Pushpull question
  129. Single-ended 6v6 diy; over-conducting
  130. Advice for first DIY project (MIDI sample playing instrument)
  131. Bass pre-amp DI output
  132. O/P Transformer DC Resistance Check
  133. HI-FI amplifier for bass guitar
  134. preamp for guitar
  135. Amp enclosure help
  136. Digning intro old organ
  137. SONIC MA-1 Tino Zottola
  138. Compressor design
  139. Possible intermittent Micalex tube socket?
  140. Mic as filter
  141. Fender rhodes peterson vibrato preamp
  142. Biasing for single supply to op amp
  143. Hammond Converion amps
  144. SAP 15
  145. The Right Tube For The Job
  146. Fishman Loudbox
  147. My bass amp is too loud!
  148. DIY AMI DD. Need some advice.
  149. Amplification breaks up after some time
  150. Polytone 215-700 Custom Bass Amp SCHEMATIC NEEDED please
  151. calculating signal current for power dissipation
  152. Getting a little help building an audio amplifier
  153. Screen Taps on Sunn Model T
  154. Mesa Boogie MkII
  155. Amp for electric violin / cello.
  156. Valve amp - placement of dual chokes
  157. voltage to sound
  158. stupidly simple LED dimming from DC heater supply?
  159. running a preamp tube in class B!
  160. Echo Amb Bias Confusion
  161. Capacitor ID
  162. Modified Alembic F2-B
  163. Tonemaster 214 Clone harsh increasing buzzing sound- no signal
  164. Hammond Type G Amp
  165. Improving a Marshall MG30DFX
  166. 6J51P mic amp - comments
  167. Attenuation pedal
  168. What all is included in the DC load current a transformer sees?
  169. DIY 25v power supply
  170. Ampeg SVT CL fault
  171. DIY Trace Elliot V8 w/ 8 KT120
  172. RCA Loudspeaker 106 and what is it?
  173. adding series resistance to transformer primary
  174. Guitar Preamplifier with ECC85.
  175. Wiring guitars: which features are important
  176. single-coil / humbucker hybrid wiring
  177. SE 6550 Guitar amp
  178. Humbucker question
  179. Bias vary tremelo help needed
  180. suzuki omnichord om-27 issue
  181. Fender reverb circuit diagnostics/repair
  182. Multiple Amp Stacks for live event
  183. Elgen Bass amp fault diagnosis
  184. Ibanez TB100h information?
  185. Fortin NATAS tubes?
  186. Tube Arcing?
  187. signal processing question
  188. Garnet stencil (Granada) with no AC isolation transformer
  189. LM3886 By General Guitar Gadget
  190. 100w Guitar Amp based on 2SC3280 (2SC5200)
  191. Hybrid "Marshall" Amp
  192. Mojo fix
  193. tube interstage impedance bridging for frequency response shaping
  194. Check This out!
  195. 120W PPP ULL Bass amp, first desgin, please shoot
  196. 6v6 fixed bias
  197. Bass amp; everybodies favorite 4x K88 driver tube
  198. Overdriving one channel with another
  199. VERY LOUD cracks/pops but no sound !?
  200. larger AC motors and shielding issues? Animated cabinet
  201. Mesa Boogie Road King - strange fault - help?
  202. KT120 Bass Amp
  203. rectifier tube recommendation for champ clone
  204. Modding a cheap practice amp (aka polishing turds)
  205. Distortion mod issue (help pls)
  206. Favorite Coupling caps in Preamp?
  207. Suzuki Omnichord
  208. Boss Super Shifter Help
  209. BASS AMP: KT88 PP (or PPP) 6SN7 CF vs CC driver
  210. Ashdown Electric BLue 180 crossover distortion
  211. I have no idea where to even start
  212. Crate GX1600 blowing fuses (and general SS help)
  213. boost idea
  214. on/off switch pop when turned off
  215. Sony stereophonic amp (60's tube)
  216. Transformer from Marshall 3530
  217. baldwin model 45 c-2 amp
  218. Single tube guitar amp, adding a transformer to a formerly transformer-less design
  219. More Peavey Classic amps
  220. Echoplex restoration
  221. Background noise on guitar amp TD35
  222. SVT project
  223. Gibson amp project
  224. Fender Hot Rod Deluxe - Cracking noise when adjusting nobs
  225. ISO Traynor YBA2 schematic, 5Y3 rectifier
  226. high gain vacuum tubes
  227. Bell tube PA amp giving really low output.
  228. 12at7 transformed amp
  229. Low wattage power amp for preamp.
  230. my first valve amp build,
  231. 45hz bass boost on amp sounds gummed up?
  232. Fender Champ 5f1 clone squeal
  233. need help in guitar amp modification!!!!
  234. power resister problem
  235. Peavey Renown 400 Issues
  236. Connection for 4 booster circuits?
  237. "sloclone" HT PS filtering mod question
  238. How to replace horn in yorkville 300k?
  239. Bass/guitar tube preamp with small power stage
  240. Splitting and attenuating a balanced signal
  241. Guitar tube amp self-made
  242. Roland PA410 Powered Mixer
  243. Negative Feedback in Two Stage Preamp
  244. uStack Desktop Amp.
  245. crate_technical_support_abandonment
  246. voicing for push-pull amp without tone controls
  247. Rangemaster clone filter caps
  248. channel input resistor value straight from humbuckers?
  249. FX loop volume control
  250. Piezo stereo preamp

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