View Full Version : Instruments and Amps

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  1. Fender Deluxe 5C3 Schematic question?
  2. Power transformer question
  3. Is there a practical way to make power filter capacitance variable?
  4. Bass guitar to Passive PA Sub?
  5. Ampeg SVT Preamp
  6. Anyone know of a clever idea for making your own eyelet setter?
  7. Can I add a Piezo tweeter to Peavey KB100?
  8. DS1807 for guitar pot, loud buzzing
  10. 1984 Peavey KB100 Amp -Only HUM
  11. Vox Pathfinder 10
  12. Potentiometer ID
  13. Amplifier Hum
  14. PSUD2 question
  15. vintage univox guitar amp/no sound whatsoever?
  16. cascade preamp stages CD4049
  17. studiomaster 1000X
  18. wurlitzer 200a electric piano hum
  19. New Member Question
  20. Need help identifying a phase inverter
  21. Long Tail Pair with Negative Feedback Problem
  22. 600 ohm to 150 T-Pad needed
  23. Organ amp conversion
  24. What could possibly be damaged by powering an amp with a bias cap lifted?
  25. Need help identifying C45 for a Fender Twin Reverb RI
  26. buzz in guitar amp. varies with volume. Anyone in Minnesota want to help?
  28. Multiple driver enclosure calculations
  29. Single Ended 6L6GC Load
  30. Selmer TnB 50w SV problem with Bass Channel
  31. DIY RA-200 suggestions?
  32. Marshall 3315 Solid state attempted repair questions
  33. Scratchy rattling resonance
  34. RI deluxe reverb PS ripple
  35. Guitar Amplifier Hum Varies with Volume Knob
  36. Boss CE-1 (original Chorus Ensamble) Repair/Mod
  37. help with MIDI for pic16f1789 ???
  38. A simple piezo snare drum
  40. Fender potentiometers nomenclature
  41. equipment penyata .
  42. add another output transformer
  43. 120W KT88 PPP bass amp progress + pics!
  46. Ampeg VT-22 dead OT?
  47. Please critique my first compressor design (for bass guitar)
  48. Marshall Valvestate 2000 not playing through speaker
  49. 12AU7 Cascode in tube amp?
  50. Sweet distortion
  51. Silvertone 1451 -Mystery adjustable cap
  52. 8 Ohm 2X12 Guitar Speaker cabinet - 2X4 Ohms in series or 2X16 Ohms in parallel?
  53. Guitar opamp Pre-amp input resistors
  54. Another avt150
  55. Princeton 112 Plus - Intermittent "Popping"
  56. Need Pinout Help, Silvertone Organ Amp
  57. Amp project for a newbie?
  58. Piezo Film Buffer and Amp Combo for Guitar Electronics
  59. Detuned Demystified
  60. layout: room between OT and EL34
  61. DC offset problem with TALMUS amplifier
  62. Vintage Amfiton-002 Hi-Fi amplifier for acoustic guitar
  63. help! Variable Frequency/Varible Q Boost/Cut tone circuit for tube bass amp.
  64. Ground loop hum and audio isolation trasformers
  66. PI introducing funny problems.
  67. Hum from guitar amp
  69. I designed an amp- would anyone like to build it for me?
  70. High Gain Tube Preamp Hiss
  71. Introductions/18 Watt Clone
  72. Hot Cathode Follower Resistor
  73. Made Guitar preamp, suggestions on schematic
  74. Need help ID'ing my Champ PT
  75. Fishman SA220 Schematic needed...
  76. Fender Frontman 212
  77. EL84 Tone Stack
  78. Hammond PR-40 Conversion to guitar amp
  79. Gibson GA-8T tremolo fault
  80. Acoustic guitar 2-channel preamplifier schematic
  81. rauland 3075 info needed
  82. Bias Switch w/ Heater Elevation
  83. The Alesis SR16 warning
  84. Guitar Speaker Cab/ PA Mixer Amp
  85. Ukulele pickup system of piezo SBT & ECM mic
  86. Fishman Rare Earth Blend replica
  87. 6L6GC Tube Orientation
  88. do I need a cathode follower?
  89. Hammond 307A Audio Transformer
  90. Passive Guitar Output Splitter WITHOUT Transformer
  91. Reverb gain on Fender Princeton 112+
  92. More power out of bass combo
  93. what happens to voltage when I add a good choke
  94. Variable feedback vs. input attenuation
  95. choosing new output tubes for mongrel amp
  96. Harsh 12AT7 PI. Brand or model?
  97. Help wanted. A very strange error.
  98. Guitar Tube Preamp
  99. Fixing a Peavey Transtube Amp
  100. Issues with model T (ish) Clone
  101. Boss BD-2 No Suund
  102. Gretsch6151 preamp fun project - Goes silent when tremolo tube is put in
  103. champ hop-up vs. new Angela super-single-ended build
  104. Peavey Triumph 60
  105. Hey Everybody (DIY Acoustic Amplifier)
  106. EF86 with EL84 pushpull
  107. Valve amp rebuild help
  108. OPT impedances
  109. crest fa2401 lose connection trace
  111. BJT/tube hybrid power amp with adjustable distortion
  112. Sag resistor
  114. Double amplification
  115. Blue label jensen stock in champs?
  116. questions on Svetlana/Tube Town EF86 mic stage
  117. Tremolo Circuit Design Beating
  118. old penncrest stereo amp to basic tube amp
  119. gibson L6s guitar tone control inductor
  120. carlsbro cobra 90 twin gone wrong
  121. Marshall Plexi Clone
  122. How to add volume to TDA8541 circuit?
  123. looking for Guitar amp
  124. Guitar piezo preamp
  125. effects powersupply
  126. Introduction and survey for gear junkies!
  127. Technical help with screen grid voltages
  128. tube amp no sound only buzz
  129. Critique my preamp design
  130. How is an acoustic amp different from a regular amp?
  131. el34 output transformer, 3 or 5 wire ~?
  132. Designing a Tube Line Driver / Pre-amp
  133. KT88 Tube Guitar Power Amp
  134. Guitar preamp with EQ and blend
  135. Building drum machine modules
  136. AB International 400 Power Amplifier Repair
  137. **** me, I bought the wrong box.
  138. Fender Frontman 212R - Extremely Loud Popping Noises..
  139. AC30 problem
  140. Damn, what chord is that?
  141. 20Segi tube amp
  142. Pedalboard Mounted Power Amp
  143. Homemade Leslie cabinet
  144. Tube ID needed
  145. Simple shematics for line level distorsion
  146. Fender pro reverb AA1069 nasty noise on normal channel
  147. Bias voltage problem
  148. Need help starting keyboard mod project
  149. Bright Cap, Yes or No or Maybe
  150. Gibson L6S guitar wiring
  151. Hex sustainer thingy
  152. Marshall B65 Schematic
  153. Golden Age Pre 73
  154. Piezo sensor - mounting woes
  155. Looking for high-fi condenser capsule
  156. I bought a box of old valves, some new in box and I want to build some projects
  157. 6550s
  158. Marshall VS 8080 IC1 Blowing.
  159. strange preamp
  160. Marshall 1960 Celestion G12t-75 ohm?
  161. 72 Twin reverb
  162. 6v6 Pushpull question
  163. Single-ended 6v6 diy; over-conducting
  164. Advice for first DIY project (MIDI sample playing instrument)
  165. Bass pre-amp DI output
  166. O/P Transformer DC Resistance Check
  167. HI-FI amplifier for bass guitar
  168. preamp for guitar
  169. Amp enclosure help
  170. Digning intro old organ
  171. SONIC MA-1 Tino Zottola
  172. Compressor design
  173. Possible intermittent Micalex tube socket?
  174. Mic as filter
  175. Fender rhodes peterson vibrato preamp
  176. Biasing for single supply to op amp
  177. Hammond Converion amps
  178. SAP 15
  179. The Right Tube For The Job
  180. Fishman Loudbox
  181. My bass amp is too loud!
  182. DIY AMI DD. Need some advice.
  183. Amplification breaks up after some time
  184. Polytone 215-700 Custom Bass Amp SCHEMATIC NEEDED please
  185. calculating signal current for power dissipation
  186. Getting a little help building an audio amplifier
  187. Screen Taps on Sunn Model T
  188. Mesa Boogie MkII
  189. Amp for electric violin / cello.
  190. Valve amp - placement of dual chokes
  191. voltage to sound
  192. stupidly simple LED dimming from DC heater supply?
  193. running a preamp tube in class B!
  194. Echo Amb Bias Confusion
  195. Capacitor ID
  196. Modified Alembic F2-B
  197. Tonemaster 214 Clone harsh increasing buzzing sound- no signal
  198. Hammond Type G Amp
  199. Improving a Marshall MG30DFX
  200. 6J51P mic amp - comments
  201. Attenuation pedal
  202. What all is included in the DC load current a transformer sees?
  203. DIY 25v power supply
  204. Ampeg SVT CL fault
  205. DIY Trace Elliot V8 w/ 8 KT120
  206. RCA Loudspeaker 106 and what is it?
  207. adding series resistance to transformer primary
  208. Guitar Preamplifier with ECC85.
  209. Wiring guitars: which features are important
  210. single-coil / humbucker hybrid wiring
  211. SE 6550 Guitar amp
  212. Humbucker question
  213. Bias vary tremelo help needed
  214. suzuki omnichord om-27 issue
  215. Fender reverb circuit diagnostics/repair
  216. Multiple Amp Stacks for live event
  217. Elgen Bass amp fault diagnosis
  218. Ibanez TB100h information?
  219. Fortin NATAS tubes?
  220. Tube Arcing?
  221. signal processing question
  222. Garnet stencil (Granada) with no AC isolation transformer
  223. LM3886 By General Guitar Gadget
  224. 100w Guitar Amp based on 2SC3280 (2SC5200)
  225. Hybrid "Marshall" Amp
  226. Mojo fix
  227. tube interstage impedance bridging for frequency response shaping
  228. Check This out!
  229. 120W PPP ULL Bass amp, first desgin, please shoot
  230. 6v6 fixed bias
  231. Bass amp; everybodies favorite 4x K88 driver tube
  232. Overdriving one channel with another
  233. VERY LOUD cracks/pops but no sound !?
  234. larger AC motors and shielding issues? Animated cabinet
  235. Mesa Boogie Road King - strange fault - help?
  236. KT120 Bass Amp
  237. rectifier tube recommendation for champ clone
  238. Modding a cheap practice amp (aka polishing turds)
  239. Distortion mod issue (help pls)
  240. Favorite Coupling caps in Preamp?
  241. Suzuki Omnichord
  242. Boss Super Shifter Help
  243. BASS AMP: KT88 PP (or PPP) 6SN7 CF vs CC driver
  244. Ashdown Electric BLue 180 crossover distortion
  245. I have no idea where to even start
  246. Crate GX1600 blowing fuses (and general SS help)
  247. boost idea
  248. on/off switch pop when turned off
  249. Sony stereophonic amp (60's tube)
  250. Transformer from Marshall 3530

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