View Full Version : Instruments and Amps

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  2. Scorched Classic 50
  3. President Bassman (jeez I hate breadboard)
  4. DIY portable musical staircase
  5. Crate G1600xl 's sound going in and out
  6. Roland HP-1 Digital Piano with noise fault
  7. 5E3 Cathodyne phase inverter balancing
  8. GX40-C+ Schematic request
  9. My breadboard 5E3 deluxe rocks!
  10. .SCH
  11. Guitar preamp x stereo boombox
  12. Output transformer for 807s?
  13. Hybrid amps
  14. Fender Studio Bass (Super Twin) Heater System Issue Advice?
  15. Mesa Triple - shorting in the(bold/spongy) switch!?
  16. cad software
  17. new harp amp
  18. Marshall AVT20 repair and mods
  19. XLR input coupling cap replacement ?
  21. Which phase inverter for a deluxe
  22. Guitar Amp 12au6-Possible Gain Increase?
  23. balanced output on your (bass) guitar?
  24. Partridge transformers vs Hammond
  25. KMD XV100SD guitar amp
  26. Mystery SE output transformer impedence
  27. seriously thinking about building this schematic. Can you find any issues with it?
  28. mid range "passive boost" circuit ?
  29. Power cap for fuzz box
  30. Heat build up in stainless steel vs. aluminum chassis
  31. Carlsbro GR2000
  32. Fender Tweed Deluxe Tube Choices
  33. Amp issue
  34. Fender Deluxe 5C3 Schematic question?
  35. Power transformer question
  36. Is there a practical way to make power filter capacitance variable?
  37. Bass guitar to Passive PA Sub?
  38. Ampeg SVT Preamp
  39. Anyone know of a clever idea for making your own eyelet setter?
  40. Can I add a Piezo tweeter to Peavey KB100?
  41. DS1807 for guitar pot, loud buzzing
  43. 1984 Peavey KB100 Amp -Only HUM
  44. Vox Pathfinder 10
  45. Potentiometer ID
  46. Amplifier Hum
  47. PSUD2 question
  48. vintage univox guitar amp/no sound whatsoever?
  49. cascade preamp stages CD4049
  50. studiomaster 1000X
  51. wurlitzer 200a electric piano hum
  52. New Member Question
  53. Need help identifying a phase inverter
  54. Long Tail Pair with Negative Feedback Problem
  55. 600 ohm to 150 T-Pad needed
  56. Organ amp conversion
  57. What could possibly be damaged by powering an amp with a bias cap lifted?
  58. Need help identifying C45 for a Fender Twin Reverb RI
  59. buzz in guitar amp. varies with volume. Anyone in Minnesota want to help?
  61. Multiple driver enclosure calculations
  62. Single Ended 6L6GC Load
  63. Selmer TnB 50w SV problem with Bass Channel
  64. DIY RA-200 suggestions?
  65. Marshall 3315 Solid state attempted repair questions
  66. Scratchy rattling resonance
  67. RI deluxe reverb PS ripple
  68. Guitar Amplifier Hum Varies with Volume Knob
  69. Boss CE-1 (original Chorus Ensamble) Repair/Mod
  70. help with MIDI for pic16f1789 ???
  71. A simple piezo snare drum
  73. Fender potentiometers nomenclature
  74. equipment penyata .
  75. add another output transformer
  76. 120W KT88 PPP bass amp progress + pics!
  79. Ampeg VT-22 dead OT?
  80. Please critique my first compressor design (for bass guitar)
  81. Marshall Valvestate 2000 not playing through speaker
  82. 12AU7 Cascode in tube amp?
  83. Sweet distortion
  84. Silvertone 1451 -Mystery adjustable cap
  85. 8 Ohm 2X12 Guitar Speaker cabinet - 2X4 Ohms in series or 2X16 Ohms in parallel?
  86. Guitar opamp Pre-amp input resistors
  87. Another avt150
  88. Princeton 112 Plus - Intermittent "Popping"
  89. Need Pinout Help, Silvertone Organ Amp
  90. Amp project for a newbie?
  91. Piezo Film Buffer and Amp Combo for Guitar Electronics
  92. Detuned Demystified
  93. layout: room between OT and EL34
  94. DC offset problem with TALMUS amplifier
  95. Vintage Amfiton-002 Hi-Fi amplifier for acoustic guitar
  96. help! Variable Frequency/Varible Q Boost/Cut tone circuit for tube bass amp.
  97. Ground loop hum and audio isolation trasformers
  99. PI introducing funny problems.
  100. Hum from guitar amp
  102. I designed an amp- would anyone like to build it for me?
  103. High Gain Tube Preamp Hiss
  104. Introductions/18 Watt Clone
  105. Hot Cathode Follower Resistor
  106. Made Guitar preamp, suggestions on schematic
  107. Need help ID'ing my Champ PT
  108. Fishman SA220 Schematic needed...
  109. Fender Frontman 212
  110. EL84 Tone Stack
  111. Hammond PR-40 Conversion to guitar amp
  112. Gibson GA-8T tremolo fault
  113. Acoustic guitar 2-channel preamplifier schematic
  114. rauland 3075 info needed
  115. Bias Switch w/ Heater Elevation
  116. The Alesis SR16 warning
  117. Guitar Speaker Cab/ PA Mixer Amp
  118. Ukulele pickup system of piezo SBT & ECM mic
  119. Fishman Rare Earth Blend replica
  120. 6L6GC Tube Orientation
  121. do I need a cathode follower?
  122. Hammond 307A Audio Transformer
  123. Passive Guitar Output Splitter WITHOUT Transformer
  124. Reverb gain on Fender Princeton 112+
  125. More power out of bass combo
  126. what happens to voltage when I add a good choke
  127. Variable feedback vs. input attenuation
  128. choosing new output tubes for mongrel amp
  129. Harsh 12AT7 PI. Brand or model?
  130. Help wanted. A very strange error.
  131. Guitar Tube Preamp
  132. Fixing a Peavey Transtube Amp
  133. Issues with model T (ish) Clone
  134. Boss BD-2 No Suund
  135. Gretsch6151 preamp fun project - Goes silent when tremolo tube is put in
  136. champ hop-up vs. new Angela super-single-ended build
  137. Peavey Triumph 60
  138. Hey Everybody (DIY Acoustic Amplifier)
  139. EF86 with EL84 pushpull
  140. Valve amp rebuild help
  141. OPT impedances
  142. crest fa2401 lose connection trace
  144. BJT/tube hybrid power amp with adjustable distortion
  145. Sag resistor
  147. Double amplification
  148. Blue label jensen stock in champs?
  149. questions on Svetlana/Tube Town EF86 mic stage
  150. Tremolo Circuit Design Beating
  151. old penncrest stereo amp to basic tube amp
  152. gibson L6s guitar tone control inductor
  153. carlsbro cobra 90 twin gone wrong
  154. Marshall Plexi Clone
  155. How to add volume to TDA8541 circuit?
  156. looking for Guitar amp
  157. Guitar piezo preamp
  158. effects powersupply
  159. Introduction and survey for gear junkies!
  160. Technical help with screen grid voltages
  161. tube amp no sound only buzz
  162. Critique my preamp design
  163. How is an acoustic amp different from a regular amp?
  164. el34 output transformer, 3 or 5 wire ~?
  165. Designing a Tube Line Driver / Pre-amp
  166. KT88 Tube Guitar Power Amp
  167. Guitar preamp with EQ and blend
  168. Building drum machine modules
  169. AB International 400 Power Amplifier Repair
  170. **** me, I bought the wrong box.
  171. Fender Frontman 212R - Extremely Loud Popping Noises..
  172. AC30 problem
  173. Damn, what chord is that?
  174. 20Segi tube amp
  175. Pedalboard Mounted Power Amp
  176. Homemade Leslie cabinet
  177. Tube ID needed
  178. Simple shematics for line level distorsion
  179. Fender pro reverb AA1069 nasty noise on normal channel
  180. Bias voltage problem
  181. Need help starting keyboard mod project
  182. Bright Cap, Yes or No or Maybe
  183. Gibson L6S guitar wiring
  184. Hex sustainer thingy
  185. Marshall B65 Schematic
  186. Golden Age Pre 73
  187. Piezo sensor - mounting woes
  188. Looking for high-fi condenser capsule
  189. I bought a box of old valves, some new in box and I want to build some projects
  190. 6550s
  191. Marshall VS 8080 IC1 Blowing.
  192. strange preamp
  193. Marshall 1960 Celestion G12t-75 ohm?
  194. 72 Twin reverb
  195. 6v6 Pushpull question
  196. Single-ended 6v6 diy; over-conducting
  197. Advice for first DIY project (MIDI sample playing instrument)
  198. Bass pre-amp DI output
  199. O/P Transformer DC Resistance Check
  200. HI-FI amplifier for bass guitar
  201. preamp for guitar
  202. Amp enclosure help
  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. What all is included in the DC load current a transformer sees?
  236. DIY 25v power supply
  237. Ampeg SVT CL fault
  238. DIY Trace Elliot V8 w/ 8 KT120
  239. RCA Loudspeaker 106 and what is it?
  240. adding series resistance to transformer primary
  241. Guitar Preamplifier with ECC85.
  242. Wiring guitars: which features are important
  243. single-coil / humbucker hybrid wiring
  244. SE 6550 Guitar amp
  245. Humbucker question
  246. Bias vary tremelo help needed
  247. suzuki omnichord om-27 issue
  248. Fender reverb circuit diagnostics/repair
  249. Multiple Amp Stacks for live event
  250. Elgen Bass amp fault diagnosis

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