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  1. KMD XV100SD guitar amp
  2. Mystery SE output transformer impedence
  3. seriously thinking about building this schematic. Can you find any issues with it?
  4. mid range "passive boost" circuit ?
  5. Power cap for fuzz box
  6. Heat build up in stainless steel vs. aluminum chassis
  7. Carlsbro GR2000
  8. Fender Tweed Deluxe Tube Choices
  9. Amp issue
  10. Fender Deluxe 5C3 Schematic question?
  11. Power transformer question
  12. Is there a practical way to make power filter capacitance variable?
  13. Schematic for Behringer Eurolive B1500 Pro
  14. Bass guitar to Passive PA Sub?
  15. Ampeg SVT Preamp
  16. Anyone know of a clever idea for making your own eyelet setter?
  17. Can I add a Piezo tweeter to Peavey KB100?
  18. DS1807 for guitar pot, loud buzzing
  19. Behringer epa900 schematic
  20. BEST BETS AT THE AMP SHOW TOMORROW
  21. 1984 Peavey KB100 Amp -Only HUM
  22. Vox Pathfinder 10
  23. Potentiometer ID
  24. Amplifier Hum
  25. PSUD2 question
  26. vintage univox guitar amp/no sound whatsoever?
  27. cascade preamp stages CD4049
  28. studiomaster 1000X
  29. Peavey pv 2000 outputs
  30. Issues with a solid state Marshall Guitar Amp
  31. wurlitzer 200a electric piano hum
  32. New Member Question
  33. Fixing my Behringer A 500 amplifier
  34. solid state organ amp conversion to guitar
  35. Vox AC50 output transformer rewind
  36. Need help identifying a phase inverter
  37. Long Tail Pair with Negative Feedback Problem
  38. 600 ohm to 150 T-Pad needed
  39. Organ amp conversion
  40. What could possibly be damaged by powering an amp with a bias cap lifted?
  41. Need help identifying C45 for a Fender Twin Reverb RI
  42. buzz in guitar amp. varies with volume. Anyone in Minnesota want to help?
  43. CRITIQUE MY 5F1 BUILD?
  44. Multiple driver enclosure calculations
  45. Single Ended 6L6GC Load
  46. Selmer TnB 50w SV problem with Bass Channel
  47. DIY RA-200 suggestions?
  48. Marshall 3315 Solid state attempted repair questions
  49. Scratchy rattling resonance
  50. RI deluxe reverb PS ripple
  51. Guitar Amplifier Hum Varies with Volume Knob
  52. Boss CE-1 (original Chorus Ensamble) Repair/Mod
  53. Peavey 112 Max Bass - request for schematic
  54. help with MIDI for pic16f1789 ???
  55. A simple piezo snare drum
  56. 5F1 BREADBOARD READY TO BUILD?
  57. Fender potentiometers nomenclature
  58. equipment penyata .
  59. add another output transformer
  60. 120W KT88 PPP bass amp progress + pics!
  61. CHAMP 5F1 BUILD VOL POT PROBLEM
  62. CHAMP 5F1 BUILD VOL POT PROBLEM
  63. Ampeg VT-22 dead OT?
  64. Please critique my first compressor design (for bass guitar)
  65. Marshall Valvestate 2000 not playing through speaker
  66. 12AU7 Cascode in tube amp?
  67. Sweet distortion
  68. Silvertone 1451 -Mystery adjustable cap
  69. 8 Ohm 2X12 Guitar Speaker cabinet - 2X4 Ohms in series or 2X16 Ohms in parallel?
  70. Guitar opamp Pre-amp input resistors
  71. Another avt150
  72. Princeton 112 Plus - Intermittent "Popping"
  73. Need Pinout Help, Silvertone Organ Amp
  74. Need Pinout Help, Silvertone Organ Amp
  75. Amp project for a newbie?
  76. Piezo Film Buffer and Amp Combo for Guitar Electronics
  77. Detuned Demystified
  78. layout: room between OT and EL34
  79. DC offset problem with TALMUS amplifier
  80. Vintage Amfiton-002 Hi-Fi amplifier for acoustic guitar
  81. help! Variable Frequency/Varible Q Boost/Cut tone circuit for tube bass amp.
  82. Ground loop hum and audio isolation trasformers
  83. TRANSFORMER TESTING RESULTS
  84. PI introducing funny problems.
  85. Hum from guitar amp
  86. MY FIRST 5F1 BREADBOARD CLONE - QUESTIONS
  87. I designed an amp- would anyone like to build it for me?
  88. sunn 200s diagnosis?
  89. High Gain Tube Preamp Hiss
  90. Introductions/18 Watt Clone
  91. Hot Cathode Follower Resistor
  92. Made Guitar preamp, suggestions on schematic
  93. Need help ID'ing my Champ PT
  94. lafayette pa 622 -> Guitar amp conversion
  95. Fishman SA220 Schematic needed...
  96. Marshall 2195 1970's lead and bass head
  97. Fender Frontman 212
  98. EL84 Tone Stack
  99. Can I use SMPS to power bass guitar amp instead of HUGE transformer?
  100. Behringer EP2500 Bridge mode not working
  101. Hammond PR-40 Conversion to guitar amp
  102. Gibson GA-8T tremolo fault
  103. Acoustic guitar 2-channel preamplifier schematic
  104. rauland 3075 info needed
  105. Bias Switch w/ Heater Elevation
  106. The Alesis SR16 warning
  107. Guitar Speaker Cab/ PA Mixer Amp
  108. Ukulele pickup system of piezo SBT & ECM mic
  109. Fishman Rare Earth Blend replica
  110. 6L6GC Tube Orientation
  111. do I need a cathode follower?
  112. Hammond 307A Audio Transformer
  113. Passive Guitar Output Splitter WITHOUT Transformer
  114. Reverb gain on Fender Princeton 112+
  115. More power out of bass combo
  116. what happens to voltage when I add a good choke
  117. Variable feedback vs. input attenuation
  118. choosing new output tubes for mongrel amp
  119. Harsh 12AT7 PI. Brand or model?
  120. Marshall 9004 Switches...
  121. pre war gibson eh125 schematic question
  122. Help wanted. A very strange error.
  123. Guitar Tube Preamp
  124. Fixing a Peavey Transtube Amp
  125. Issues with model T (ish) Clone
  126. Boss BD-2 No Suund
  127. Silvertone 1485 - Output Transformer advice
  128. Gretsch6151 preamp fun project - Goes silent when tremolo tube is put in
  129. champ hop-up vs. new Angela super-single-ended build
  130. Peavey Triumph 60
  131. Hey Everybody (DIY Acoustic Amplifier)
  132. EF86 with EL84 pushpull
  133. Valve amp rebuild help
  134. Behringer ep1500 Crackling
  135. OPT impedances
  136. Marshall Valvestate VS-100R
  137. crest fa2401 lose connection trace
  138. NOS FENDER TUBE AMP CHASSIS - VALUE OF?
  139. BJT/tube hybrid power amp with adjustable distortion
  140. Sag resistor
  141. MARSHALL AMP G100RCD
  142. Double amplification
  143. Blue label jensen stock in champs?
  144. questions on Svetlana/Tube Town EF86 mic stage
  145. Tremolo Circuit Design Beating
  146. old penncrest stereo amp to basic tube amp
  147. gibson L6s guitar tone control inductor
  148. Request for guitar amplifier circuit
  149. carlsbro cobra 90 twin gone wrong
  150. Marshall Plexi Clone
  151. How to add volume to TDA8541 circuit?
  152. looking for Guitar amp
  153. Guitar piezo preamp
  154. effects powersupply
  155. Introduction and survey for gear junkies!
  156. Technical help with screen grid voltages
  157. tube amp no sound only buzz
  158. Critique my preamp design
  159. How is an acoustic amp different from a regular amp?
  160. el34 output transformer, 3 or 5 wire ~?
  161. Designing a Tube Line Driver / Pre-amp
  162. KT88 Tube Guitar Power Amp
  163. Guitar preamp with EQ and blend
  164. Building drum machine modules
  165. AB International 400 Power Amplifier Repair
  166. **** me, I bought the wrong box.
  167. Fender Frontman 212R - Extremely Loud Popping Noises..
  168. AC30 problem
  169. Crate Palomino V8 potentiometer replacement
  170. Damn, what chord is that?
  171. 20Segi tube amp
  172. Pedalboard Mounted Power Amp
  173. Homemade Leslie cabinet
  174. Tube ID needed
  175. Simple shematics for line level distorsion
  176. Fender pro reverb AA1069 nasty noise on normal channel
  177. Bias voltage problem
  178. Need help starting keyboard mod project
  179. Bright Cap, Yes or No or Maybe
  180. Gibson L6S guitar wiring
  181. Hex sustainer thingy
  182. Marshall B65 Schematic
  183. Golden Age Pre 73
  184. Piezo sensor - mounting woes
  185. Looking for high-fi condenser capsule
  186. I bought a box of old valves, some new in box and I want to build some projects
  187. 6550s
  188. Marshall VS 8080 IC1 Blowing.
  189. strange preamp
  190. Marshall 1960 Celestion G12t-75 ohm?
  191. 72 Twin reverb
  192. 6v6 Pushpull question
  193. Single-ended 6v6 diy; over-conducting
  194. Advice for first DIY project (MIDI sample playing instrument)
  195. Bass pre-amp DI output
  196. Fender Tweed Champ Kits/Parts
  197. O/P Transformer DC Resistance Check
  198. HI-FI amplifier for bass guitar
  199. HELP With VOX AC100CPH
  200. preamp for guitar
  201. Amp enclosure help
  202. Stuck on Circuit Guitar Preamp LED mirror
  203. Digning intro old organ
  204. SONIC MA-1 Tino Zottola
  205. Compressor design
  206. Possible intermittent Micalex tube socket?
  207. Mic as filter
  208. Fender rhodes peterson vibrato preamp
  209. Biasing for single supply to op amp
  210. Hammond Converion amps
  211. SAP 15
  212. The Right Tube For The Job
  213. Fishman Loudbox
  214. My bass amp is too loud!
  215. DIY AMI DD. Need some advice.
  216. Amplification breaks up after some time
  217. Polytone 215-700 Custom Bass Amp SCHEMATIC NEEDED please
  218. calculating signal current for power dissipation
  219. Getting a little help building an audio amplifier
  220. Screen Taps on Sunn Model T
  221. Mesa Boogie MkII
  222. Amp for electric violin / cello.
  223. Valve amp - placement of dual chokes
  224. voltage to sound
  225. stupidly simple LED dimming from DC heater supply?
  226. running a preamp tube in class B!
  227. Echo Amb Bias Confusion
  228. Capacitor ID
  229. Modified Alembic F2-B
  230. Tonemaster 214 Clone harsh increasing buzzing sound- no signal
  231. Hammond Type G Amp
  232. Improving a Marshall MG30DFX
  233. 6J51P mic amp - comments
  234. Attenuation pedal
  235. Acousto-electro guitar amp - speakers impedance
  236. What all is included in the DC load current a transformer sees?
  237. DIY 25v power supply
  238. Ampeg SVT CL fault
  239. First test of my AX84 HI-octane
  240. DIY Trace Elliot V8 w/ 8 KT120
  241. RCA Loudspeaker 106 and what is it?
  242. adding series resistance to transformer primary
  243. Guitar Preamplifier with ECC85.
  244. Wiring guitars: which features are important
  245. single-coil / humbucker hybrid wiring
  246. SE 6550 Guitar amp
  247. Humbucker question
  248. Bias vary tremelo help needed
  249. suzuki omnichord om-27 issue
  250. Fender reverb circuit diagnostics/repair

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