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  1. Another avt150
  2. Princeton 112 Plus - Intermittent "Popping"
  3. Need Pinout Help, Silvertone Organ Amp
  4. Amp project for a newbie?
  5. Piezo Film Buffer and Amp Combo for Guitar Electronics
  6. Detuned Demystified
  7. layout: room between OT and EL34
  8. DC offset problem with TALMUS amplifier
  9. Vintage Amfiton-002 Hi-Fi amplifier for acoustic guitar
  10. help! Variable Frequency/Varible Q Boost/Cut tone circuit for tube bass amp.
  11. Ground loop hum and audio isolation trasformers
  12. TRANSFORMER TESTING RESULTS
  13. PI introducing funny problems.
  14. Hum from guitar amp
  15. MY FIRST 5F1 BREADBOARD CLONE - QUESTIONS
  16. I designed an amp- would anyone like to build it for me?
  17. High Gain Tube Preamp Hiss
  18. Introductions/18 Watt Clone
  19. Hot Cathode Follower Resistor
  20. Made Guitar preamp, suggestions on schematic
  21. Need help ID'ing my Champ PT
  22. Fishman SA220 Schematic needed...
  23. Fender Frontman 212
  24. EL84 Tone Stack
  25. Hammond PR-40 Conversion to guitar amp
  26. Gibson GA-8T tremolo fault
  27. Acoustic guitar 2-channel preamplifier schematic
  28. rauland 3075 info needed
  29. Bias Switch w/ Heater Elevation
  30. The Alesis SR16 warning
  31. Guitar Speaker Cab/ PA Mixer Amp
  32. Ukulele pickup system of piezo SBT & ECM mic
  33. Fishman Rare Earth Blend replica
  34. 6L6GC Tube Orientation
  35. do I need a cathode follower?
  36. Hammond 307A Audio Transformer
  37. Passive Guitar Output Splitter WITHOUT Transformer
  38. Reverb gain on Fender Princeton 112+
  39. More power out of bass combo
  40. what happens to voltage when I add a good choke
  41. Variable feedback vs. input attenuation
  42. choosing new output tubes for mongrel amp
  43. Harsh 12AT7 PI. Brand or model?
  44. Help wanted. A very strange error.
  45. Guitar Tube Preamp
  46. Fixing a Peavey Transtube Amp
  47. Issues with model T (ish) Clone
  48. Boss BD-2 No Suund
  49. Gretsch6151 preamp fun project - Goes silent when tremolo tube is put in
  50. champ hop-up vs. new Angela super-single-ended build
  51. Peavey Triumph 60
  52. Hey Everybody (DIY Acoustic Amplifier)
  53. EF86 with EL84 pushpull
  54. Valve amp rebuild help
  55. OPT impedances
  56. crest fa2401 lose connection trace
  57. NOS FENDER TUBE AMP CHASSIS - VALUE OF?
  58. BJT/tube hybrid power amp with adjustable distortion
  59. Sag resistor
  60. MARSHALL AMP G100RCD
  61. Double amplification
  62. Blue label jensen stock in champs?
  63. questions on Svetlana/Tube Town EF86 mic stage
  64. Tremolo Circuit Design Beating
  65. old penncrest stereo amp to basic tube amp
  66. gibson L6s guitar tone control inductor
  67. carlsbro cobra 90 twin gone wrong
  68. Marshall Plexi Clone
  69. How to add volume to TDA8541 circuit?
  70. looking for Guitar amp
  71. Guitar piezo preamp
  72. effects powersupply
  73. Introduction and survey for gear junkies!
  74. Technical help with screen grid voltages
  75. tube amp no sound only buzz
  76. Critique my preamp design
  77. How is an acoustic amp different from a regular amp?
  78. el34 output transformer, 3 or 5 wire ~?
  79. Designing a Tube Line Driver / Pre-amp
  80. KT88 Tube Guitar Power Amp
  81. Guitar preamp with EQ and blend
  82. Building drum machine modules
  83. AB International 400 Power Amplifier Repair
  84. **** me, I bought the wrong box.
  85. Fender Frontman 212R - Extremely Loud Popping Noises..
  86. AC30 problem
  87. Damn, what chord is that?
  88. 20Segi tube amp
  89. Pedalboard Mounted Power Amp
  90. Homemade Leslie cabinet
  91. Tube ID needed
  92. Simple shematics for line level distorsion
  93. Fender pro reverb AA1069 nasty noise on normal channel
  94. Bias voltage problem
  95. Need help starting keyboard mod project
  96. Bright Cap, Yes or No or Maybe
  97. Gibson L6S guitar wiring
  98. Hex sustainer thingy
  99. Marshall B65 Schematic
  100. Golden Age Pre 73
  101. Piezo sensor - mounting woes
  102. Looking for high-fi condenser capsule
  103. I bought a box of old valves, some new in box and I want to build some projects
  104. 6550s
  105. Marshall VS 8080 IC1 Blowing.
  106. strange preamp
  107. Marshall 1960 Celestion G12t-75 ohm?
  108. 72 Twin reverb
  109. 6v6 Pushpull question
  110. Single-ended 6v6 diy; over-conducting
  111. Advice for first DIY project (MIDI sample playing instrument)
  112. Bass pre-amp DI output
  113. O/P Transformer DC Resistance Check
  114. HI-FI amplifier for bass guitar
  115. preamp for guitar
  116. Amp enclosure help
  117. Digning intro old organ
  118. SONIC MA-1 Tino Zottola
  119. Compressor design
  120. Possible intermittent Micalex tube socket?
  121. Mic as filter
  122. Fender rhodes peterson vibrato preamp
  123. Biasing for single supply to op amp
  124. Hammond Converion amps
  125. SAP 15
  126. The Right Tube For The Job
  127. Fishman Loudbox
  128. My bass amp is too loud!
  129. DIY AMI DD. Need some advice.
  130. Amplification breaks up after some time
  131. Polytone 215-700 Custom Bass Amp SCHEMATIC NEEDED please
  132. calculating signal current for power dissipation
  133. Getting a little help building an audio amplifier
  134. Screen Taps on Sunn Model T
  135. Mesa Boogie MkII
  136. Amp for electric violin / cello.
  137. Valve amp - placement of dual chokes
  138. voltage to sound
  139. stupidly simple LED dimming from DC heater supply?
  140. running a preamp tube in class B!
  141. Echo Amb Bias Confusion
  142. Capacitor ID
  143. Modified Alembic F2-B
  144. Tonemaster 214 Clone harsh increasing buzzing sound- no signal
  145. Hammond Type G Amp
  146. Improving a Marshall MG30DFX
  147. 6J51P mic amp - comments
  148. Attenuation pedal
  149. What all is included in the DC load current a transformer sees?
  150. DIY 25v power supply
  151. Ampeg SVT CL fault
  152. DIY Trace Elliot V8 w/ 8 KT120
  153. RCA Loudspeaker 106 and what is it?
  154. adding series resistance to transformer primary
  155. Guitar Preamplifier with ECC85.
  156. Wiring guitars: which features are important
  157. single-coil / humbucker hybrid wiring
  158. SE 6550 Guitar amp
  159. Humbucker question
  160. Bias vary tremelo help needed
  161. suzuki omnichord om-27 issue
  162. Fender reverb circuit diagnostics/repair
  163. Multiple Amp Stacks for live event
  164. Elgen Bass amp fault diagnosis
  165. Ibanez TB100h information?
  166. Fortin NATAS tubes?
  167. Tube Arcing?
  168. signal processing question
  169. Garnet stencil (Granada) with no AC isolation transformer
  170. LM3886 By General Guitar Gadget
  171. 100w Guitar Amp based on 2SC3280 (2SC5200)
  172. Hybrid "Marshall" Amp
  173. Mojo fix
  174. tube interstage impedance bridging for frequency response shaping
  175. Check This out!
  176. 120W PPP ULL Bass amp, first desgin, please shoot
  177. 6v6 fixed bias
  178. Bass amp; everybodies favorite 4x K88 driver tube
  179. Overdriving one channel with another
  180. VERY LOUD cracks/pops but no sound !?
  181. larger AC motors and shielding issues? Animated cabinet
  182. Mesa Boogie Road King - strange fault - help?
  183. KT120 Bass Amp
  184. rectifier tube recommendation for champ clone
  185. Modding a cheap practice amp (aka polishing turds)
  186. Distortion mod issue (help pls)
  187. Favorite Coupling caps in Preamp?
  188. Suzuki Omnichord
  189. Boss Super Shifter Help
  190. BASS AMP: KT88 PP (or PPP) 6SN7 CF vs CC driver
  191. Ashdown Electric BLue 180 crossover distortion
  192. I have no idea where to even start
  193. Crate GX1600 blowing fuses (and general SS help)
  194. boost idea
  195. on/off switch pop when turned off
  196. Sony stereophonic amp (60's tube)
  197. Transformer from Marshall 3530
  198. baldwin model 45 c-2 amp
  199. Single tube guitar amp, adding a transformer to a formerly transformer-less design
  200. More Peavey Classic amps
  201. Echoplex restoration
  202. Background noise on guitar amp TD35
  203. SVT project
  204. Gibson amp project
  205. Fender Hot Rod Deluxe - Cracking noise when adjusting nobs
  206. ISO Traynor YBA2 schematic, 5Y3 rectifier
  207. high gain vacuum tubes
  208. Bell tube PA amp giving really low output.
  209. 12at7 transformed amp
  210. Low wattage power amp for preamp.
  211. my first valve amp build,
  212. 45hz bass boost on amp sounds gummed up?
  213. Fender Champ 5f1 clone squeal
  214. need help in guitar amp modification!!!!
  215. power resister problem
  216. Peavey Renown 400 Issues
  217. Connection for 4 booster circuits?
  218. "sloclone" HT PS filtering mod question
  219. How to replace horn in yorkville 300k?
  220. Bass/guitar tube preamp with small power stage
  221. Splitting and attenuating a balanced signal
  222. Guitar tube amp self-made
  223. Roland PA410 Powered Mixer
  224. Negative Feedback in Two Stage Preamp
  225. uStack Desktop Amp.
  226. crate_technical_support_abandonment
  227. voicing for push-pull amp without tone controls
  228. Rangemaster clone filter caps
  229. channel input resistor value straight from humbuckers?
  230. FX loop volume control
  231. Piezo stereo preamp
  232. el84 same with el84(6n14n)??????
  233. long tailed power amp class a
  234. Is it safe to change Reverb Impedances?
  235. Negative feed back squealing
  236. Humming V1 in Fender Pro Junior
  237. How to add an additional pre-amp stage to 5A3 design
  238. Head cabinet as bench chassis stand
  239. Crate TD35 fixing
  240. Crate Stealth 50 MONSTER!!!!!
  241. Fender Pro Junior Tube Set Up...
  242. speaker wiring
  243. Help with PSU for guitar amp!
  244. Improving upon the Alembic preamp
  245. OC44 Yellow Jacket Pinout
  246. single-ended parafeed guitar amp
  247. Switchable Cathode Bypass Capacitor for a Tube amp
  248. SWR Workingman's Bass
  249. Finished AX84 Hi-Octane
  250. Blencowe's bootstrapped DCCF cap value.

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