View Full Version : Instruments and Amps

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  1. Tremelo
  3. Scorched Classic 50
  4. President Bassman (jeez I hate breadboard)
  5. DIY portable musical staircase
  6. Crate G1600xl 's sound going in and out
  7. Roland HP-1 Digital Piano with noise fault
  8. 5E3 Cathodyne phase inverter balancing
  9. GX40-C+ Schematic request
  10. My breadboard 5E3 deluxe rocks!
  11. .SCH
  12. Guitar preamp x stereo boombox
  13. Output transformer for 807s?
  14. Hybrid amps
  15. Fender Studio Bass (Super Twin) Heater System Issue Advice?
  16. Mesa Triple - shorting in the(bold/spongy) switch!?
  17. cad software
  18. new harp amp
  19. Marshall AVT20 repair and mods
  20. XLR input coupling cap replacement ?
  22. Which phase inverter for a deluxe
  23. Guitar Amp 12au6-Possible Gain Increase?
  24. balanced output on your (bass) guitar?
  25. Partridge transformers vs Hammond
  26. KMD XV100SD guitar amp
  27. Mystery SE output transformer impedence
  28. seriously thinking about building this schematic. Can you find any issues with it?
  29. mid range "passive boost" circuit ?
  30. Power cap for fuzz box
  31. Heat build up in stainless steel vs. aluminum chassis
  32. Carlsbro GR2000
  33. Fender Tweed Deluxe Tube Choices
  34. Amp issue
  35. Fender Deluxe 5C3 Schematic question?
  36. Power transformer question
  37. Is there a practical way to make power filter capacitance variable?
  38. Bass guitar to Passive PA Sub?
  39. Ampeg SVT Preamp
  40. Anyone know of a clever idea for making your own eyelet setter?
  41. Can I add a Piezo tweeter to Peavey KB100?
  42. DS1807 for guitar pot, loud buzzing
  44. 1984 Peavey KB100 Amp -Only HUM
  45. Vox Pathfinder 10
  46. Potentiometer ID
  47. Amplifier Hum
  48. PSUD2 question
  49. vintage univox guitar amp/no sound whatsoever?
  50. cascade preamp stages CD4049
  51. studiomaster 1000X
  52. wurlitzer 200a electric piano hum
  53. New Member Question
  54. Need help identifying a phase inverter
  55. Long Tail Pair with Negative Feedback Problem
  56. 600 ohm to 150 T-Pad needed
  57. Organ amp conversion
  58. What could possibly be damaged by powering an amp with a bias cap lifted?
  59. Need help identifying C45 for a Fender Twin Reverb RI
  60. buzz in guitar amp. varies with volume. Anyone in Minnesota want to help?
  62. Multiple driver enclosure calculations
  63. Single Ended 6L6GC Load
  64. Selmer TnB 50w SV problem with Bass Channel
  65. DIY RA-200 suggestions?
  66. Marshall 3315 Solid state attempted repair questions
  67. Scratchy rattling resonance
  68. RI deluxe reverb PS ripple
  69. Guitar Amplifier Hum Varies with Volume Knob
  70. Boss CE-1 (original Chorus Ensamble) Repair/Mod
  71. help with MIDI for pic16f1789 ???
  72. A simple piezo snare drum
  74. Fender potentiometers nomenclature
  75. equipment penyata .
  76. add another output transformer
  77. 120W KT88 PPP bass amp progress + pics!
  80. Ampeg VT-22 dead OT?
  81. Please critique my first compressor design (for bass guitar)
  82. Marshall Valvestate 2000 not playing through speaker
  83. 12AU7 Cascode in tube amp?
  84. Sweet distortion
  85. Silvertone 1451 -Mystery adjustable cap
  86. 8 Ohm 2X12 Guitar Speaker cabinet - 2X4 Ohms in series or 2X16 Ohms in parallel?
  87. Guitar opamp Pre-amp input resistors
  88. Another avt150
  89. Princeton 112 Plus - Intermittent "Popping"
  90. Need Pinout Help, Silvertone Organ Amp
  91. Amp project for a newbie?
  92. Piezo Film Buffer and Amp Combo for Guitar Electronics
  93. Detuned Demystified
  94. layout: room between OT and EL34
  95. DC offset problem with TALMUS amplifier
  96. Vintage Amfiton-002 Hi-Fi amplifier for acoustic guitar
  97. help! Variable Frequency/Varible Q Boost/Cut tone circuit for tube bass amp.
  98. Ground loop hum and audio isolation trasformers
  100. PI introducing funny problems.
  101. Hum from guitar amp
  103. I designed an amp- would anyone like to build it for me?
  104. High Gain Tube Preamp Hiss
  105. Introductions/18 Watt Clone
  106. Hot Cathode Follower Resistor
  107. Made Guitar preamp, suggestions on schematic
  108. Need help ID'ing my Champ PT
  109. Fishman SA220 Schematic needed...
  110. Fender Frontman 212
  111. EL84 Tone Stack
  112. Hammond PR-40 Conversion to guitar amp
  113. Gibson GA-8T tremolo fault
  114. Acoustic guitar 2-channel preamplifier schematic
  115. rauland 3075 info needed
  116. Bias Switch w/ Heater Elevation
  117. The Alesis SR16 warning
  118. Guitar Speaker Cab/ PA Mixer Amp
  119. Ukulele pickup system of piezo SBT & ECM mic
  120. Fishman Rare Earth Blend replica
  121. 6L6GC Tube Orientation
  122. do I need a cathode follower?
  123. Hammond 307A Audio Transformer
  124. Passive Guitar Output Splitter WITHOUT Transformer
  125. Reverb gain on Fender Princeton 112+
  126. More power out of bass combo
  127. what happens to voltage when I add a good choke
  128. Variable feedback vs. input attenuation
  129. choosing new output tubes for mongrel amp
  130. Harsh 12AT7 PI. Brand or model?
  131. Help wanted. A very strange error.
  132. Guitar Tube Preamp
  133. Fixing a Peavey Transtube Amp
  134. Issues with model T (ish) Clone
  135. Boss BD-2 No Suund
  136. Gretsch6151 preamp fun project - Goes silent when tremolo tube is put in
  137. champ hop-up vs. new Angela super-single-ended build
  138. Peavey Triumph 60
  139. Hey Everybody (DIY Acoustic Amplifier)
  140. EF86 with EL84 pushpull
  141. Valve amp rebuild help
  142. OPT impedances
  143. crest fa2401 lose connection trace
  145. BJT/tube hybrid power amp with adjustable distortion
  146. Sag resistor
  148. Double amplification
  149. Blue label jensen stock in champs?
  150. questions on Svetlana/Tube Town EF86 mic stage
  151. Tremolo Circuit Design Beating
  152. old penncrest stereo amp to basic tube amp
  153. gibson L6s guitar tone control inductor
  154. carlsbro cobra 90 twin gone wrong
  155. Marshall Plexi Clone
  156. How to add volume to TDA8541 circuit?
  157. looking for Guitar amp
  158. Guitar piezo preamp
  159. effects powersupply
  160. Introduction and survey for gear junkies!
  161. Technical help with screen grid voltages
  162. tube amp no sound only buzz
  163. Critique my preamp design
  164. How is an acoustic amp different from a regular amp?
  165. el34 output transformer, 3 or 5 wire ~?
  166. Designing a Tube Line Driver / Pre-amp
  167. KT88 Tube Guitar Power Amp
  168. Guitar preamp with EQ and blend
  169. Building drum machine modules
  170. AB International 400 Power Amplifier Repair
  171. **** me, I bought the wrong box.
  172. Fender Frontman 212R - Extremely Loud Popping Noises..
  173. AC30 problem
  174. Damn, what chord is that?
  175. 20Segi tube amp
  176. Pedalboard Mounted Power Amp
  177. Homemade Leslie cabinet
  178. Tube ID needed
  179. Simple shematics for line level distorsion
  180. Fender pro reverb AA1069 nasty noise on normal channel
  181. Bias voltage problem
  182. Need help starting keyboard mod project
  183. Bright Cap, Yes or No or Maybe
  184. Gibson L6S guitar wiring
  185. Hex sustainer thingy
  186. Marshall B65 Schematic
  187. Golden Age Pre 73
  188. Piezo sensor - mounting woes
  189. Looking for high-fi condenser capsule
  190. I bought a box of old valves, some new in box and I want to build some projects
  191. 6550s
  192. Marshall VS 8080 IC1 Blowing.
  193. strange preamp
  194. Marshall 1960 Celestion G12t-75 ohm?
  195. 72 Twin reverb
  196. 6v6 Pushpull question
  197. Single-ended 6v6 diy; over-conducting
  198. Advice for first DIY project (MIDI sample playing instrument)
  199. Bass pre-amp DI output
  200. O/P Transformer DC Resistance Check
  201. HI-FI amplifier for bass guitar
  202. preamp for guitar
  203. Amp enclosure help
  204. Digning intro old organ
  205. SONIC MA-1 Tino Zottola
  206. Compressor design
  207. Possible intermittent Micalex tube socket?
  208. Mic as filter
  209. Fender rhodes peterson vibrato preamp
  210. Biasing for single supply to op amp
  211. Hammond Converion amps
  212. SAP 15
  213. The Right Tube For The Job
  214. Fishman Loudbox
  215. My bass amp is too loud!
  216. DIY AMI DD. Need some advice.
  217. Amplification breaks up after some time
  218. Polytone 215-700 Custom Bass Amp SCHEMATIC NEEDED please
  219. calculating signal current for power dissipation
  220. Getting a little help building an audio amplifier
  221. Screen Taps on Sunn Model T
  222. Mesa Boogie MkII
  223. Amp for electric violin / cello.
  224. Valve amp - placement of dual chokes
  225. voltage to sound
  226. stupidly simple LED dimming from DC heater supply?
  227. running a preamp tube in class B!
  228. Echo Amb Bias Confusion
  229. Capacitor ID
  230. Modified Alembic F2-B
  231. Tonemaster 214 Clone harsh increasing buzzing sound- no signal
  232. Hammond Type G Amp
  233. Improving a Marshall MG30DFX
  234. 6J51P mic amp - comments
  235. Attenuation pedal
  236. What all is included in the DC load current a transformer sees?
  237. DIY 25v power supply
  238. Ampeg SVT CL fault
  239. DIY Trace Elliot V8 w/ 8 KT120
  240. RCA Loudspeaker 106 and what is it?
  241. adding series resistance to transformer primary
  242. Guitar Preamplifier with ECC85.
  243. Wiring guitars: which features are important
  244. single-coil / humbucker hybrid wiring
  245. SE 6550 Guitar amp
  246. Humbucker question
  247. Bias vary tremelo help needed
  248. suzuki omnichord om-27 issue
  249. Fender reverb circuit diagnostics/repair
  250. Multiple Amp Stacks for live event

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