View Full Version : Instruments and Amps

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  1. HK guitar amp - help with repair
  2. Biasing a guitar amp 12AX7 - does it even matter?
  3. AB763 Vibrato problem
  4. Fender Tone Controls
  5. Feedback on a new motion-based MIDI controller (iPhone/iPod)
  7. Rewiring a dual primary as a single? (Squirrel Monkey Amp)
  8. Tremelo
  10. Scorched Classic 50
  11. President Bassman (jeez I hate breadboard)
  12. DIY portable musical staircase
  13. Crate G1600xl 's sound going in and out
  14. Roland HP-1 Digital Piano with noise fault
  15. 5E3 Cathodyne phase inverter balancing
  16. GX40-C+ Schematic request
  17. My breadboard 5E3 deluxe rocks!
  18. .SCH
  19. Guitar preamp x stereo boombox
  20. Output transformer for 807s?
  21. Hybrid amps
  22. Fender Studio Bass (Super Twin) Heater System Issue Advice?
  23. Mesa Triple - shorting in the(bold/spongy) switch!?
  24. Peavey PV1500 piggy bank
  25. cad software
  26. new harp amp
  27. Marshall AVT20 repair and mods
  28. XLR input coupling cap replacement ?
  30. Which phase inverter for a deluxe
  31. Guitar Amp 12au6-Possible Gain Increase?
  32. balanced output on your (bass) guitar?
  33. Partridge transformers vs Hammond
  34. KMD XV100SD guitar amp
  35. Mystery SE output transformer impedence
  36. seriously thinking about building this schematic. Can you find any issues with it?
  37. mid range "passive boost" circuit ?
  38. Power cap for fuzz box
  39. Heat build up in stainless steel vs. aluminum chassis
  40. Carlsbro GR2000
  41. Fender Tweed Deluxe Tube Choices
  42. Amp issue
  43. Fender Deluxe 5C3 Schematic question?
  44. Power transformer question
  45. Is there a practical way to make power filter capacitance variable?
  46. Schematic for Behringer Eurolive B1500 Pro
  47. Bass guitar to Passive PA Sub?
  48. Ampeg SVT Preamp
  49. Anyone know of a clever idea for making your own eyelet setter?
  50. Can I add a Piezo tweeter to Peavey KB100?
  51. DS1807 for guitar pot, loud buzzing
  52. Behringer epa900 schematic
  54. 1984 Peavey KB100 Amp -Only HUM
  55. Vox Pathfinder 10
  56. Potentiometer ID
  57. Amplifier Hum
  58. PSUD2 question
  59. vintage univox guitar amp/no sound whatsoever?
  60. cascade preamp stages CD4049
  61. studiomaster 1000X
  62. Peavey pv 2000 outputs
  63. Issues with a solid state Marshall Guitar Amp
  64. wurlitzer 200a electric piano hum
  65. New Member Question
  66. Fixing my Behringer A 500 amplifier
  67. solid state organ amp conversion to guitar
  68. Vox AC50 output transformer rewind
  69. Need help identifying a phase inverter
  70. Long Tail Pair with Negative Feedback Problem
  71. 600 ohm to 150 T-Pad needed
  72. Organ amp conversion
  73. What could possibly be damaged by powering an amp with a bias cap lifted?
  74. Need help identifying C45 for a Fender Twin Reverb RI
  75. buzz in guitar amp. varies with volume. Anyone in Minnesota want to help?
  77. Multiple driver enclosure calculations
  78. Single Ended 6L6GC Load
  79. Selmer TnB 50w SV problem with Bass Channel
  80. DIY RA-200 suggestions?
  81. Marshall 3315 Solid state attempted repair questions
  82. Scratchy rattling resonance
  83. RI deluxe reverb PS ripple
  84. Guitar Amplifier Hum Varies with Volume Knob
  85. Boss CE-1 (original Chorus Ensamble) Repair/Mod
  86. Peavey 112 Max Bass - request for schematic
  87. help with MIDI for pic16f1789 ???
  88. A simple piezo snare drum
  90. Fender potentiometers nomenclature
  91. equipment penyata .
  92. add another output transformer
  93. 120W KT88 PPP bass amp progress + pics!
  96. Ampeg VT-22 dead OT?
  97. Please critique my first compressor design (for bass guitar)
  98. Marshall Valvestate 2000 not playing through speaker
  99. 12AU7 Cascode in tube amp?
  100. Sweet distortion
  101. Silvertone 1451 -Mystery adjustable cap
  102. 8 Ohm 2X12 Guitar Speaker cabinet - 2X4 Ohms in series or 2X16 Ohms in parallel?
  103. Guitar opamp Pre-amp input resistors
  104. Another avt150
  105. Princeton 112 Plus - Intermittent "Popping"
  106. Need Pinout Help, Silvertone Organ Amp
  107. Need Pinout Help, Silvertone Organ Amp
  108. Amp project for a newbie?
  109. Piezo Film Buffer and Amp Combo for Guitar Electronics
  110. Detuned Demystified
  111. layout: room between OT and EL34
  112. DC offset problem with TALMUS amplifier
  113. Vintage Amfiton-002 Hi-Fi amplifier for acoustic guitar
  114. help! Variable Frequency/Varible Q Boost/Cut tone circuit for tube bass amp.
  115. Ground loop hum and audio isolation trasformers
  117. PI introducing funny problems.
  118. Hum from guitar amp
  120. I designed an amp- would anyone like to build it for me?
  121. sunn 200s diagnosis?
  122. High Gain Tube Preamp Hiss
  123. Introductions/18 Watt Clone
  124. Hot Cathode Follower Resistor
  125. Made Guitar preamp, suggestions on schematic
  126. Need help ID'ing my Champ PT
  127. lafayette pa 622 -> Guitar amp conversion
  128. Fishman SA220 Schematic needed...
  129. Marshall 2195 1970's lead and bass head
  130. Fender Frontman 212
  131. EL84 Tone Stack
  132. Can I use SMPS to power bass guitar amp instead of HUGE transformer?
  133. Behringer EP2500 Bridge mode not working
  134. Hammond PR-40 Conversion to guitar amp
  135. Gibson GA-8T tremolo fault
  136. Acoustic guitar 2-channel preamplifier schematic
  137. rauland 3075 info needed
  138. Bias Switch w/ Heater Elevation
  139. The Alesis SR16 warning
  140. Guitar Speaker Cab/ PA Mixer Amp
  141. Ukulele pickup system of piezo SBT & ECM mic
  142. Fishman Rare Earth Blend replica
  143. 6L6GC Tube Orientation
  144. do I need a cathode follower?
  145. Hammond 307A Audio Transformer
  146. Passive Guitar Output Splitter WITHOUT Transformer
  147. Reverb gain on Fender Princeton 112+
  148. More power out of bass combo
  149. what happens to voltage when I add a good choke
  150. Variable feedback vs. input attenuation
  151. choosing new output tubes for mongrel amp
  152. Harsh 12AT7 PI. Brand or model?
  153. Marshall 9004 Switches...
  154. pre war gibson eh125 schematic question
  155. Help wanted. A very strange error.
  156. Guitar Tube Preamp
  157. Fixing a Peavey Transtube Amp
  158. Issues with model T (ish) Clone
  159. Boss BD-2 No Suund
  160. Silvertone 1485 - Output Transformer advice
  161. Gretsch6151 preamp fun project - Goes silent when tremolo tube is put in
  162. champ hop-up vs. new Angela super-single-ended build
  163. Peavey Triumph 60
  164. Hey Everybody (DIY Acoustic Amplifier)
  165. EF86 with EL84 pushpull
  166. Valve amp rebuild help
  167. Behringer ep1500 Crackling
  168. OPT impedances
  169. Marshall Valvestate VS-100R
  170. crest fa2401 lose connection trace
  172. BJT/tube hybrid power amp with adjustable distortion
  173. Sag resistor
  175. Double amplification
  176. Blue label jensen stock in champs?
  177. questions on Svetlana/Tube Town EF86 mic stage
  178. Tremolo Circuit Design Beating
  179. old penncrest stereo amp to basic tube amp
  180. gibson L6s guitar tone control inductor
  181. Request for guitar amplifier circuit
  182. carlsbro cobra 90 twin gone wrong
  183. Marshall Plexi Clone
  184. How to add volume to TDA8541 circuit?
  185. looking for Guitar amp
  186. Guitar piezo preamp
  187. effects powersupply
  188. Introduction and survey for gear junkies!
  189. Technical help with screen grid voltages
  190. tube amp no sound only buzz
  191. Critique my preamp design
  192. How is an acoustic amp different from a regular amp?
  193. el34 output transformer, 3 or 5 wire ~?
  194. Designing a Tube Line Driver / Pre-amp
  195. KT88 Tube Guitar Power Amp
  196. Guitar preamp with EQ and blend
  197. Building drum machine modules
  198. AB International 400 Power Amplifier Repair
  199. **** me, I bought the wrong box.
  200. Fender Frontman 212R - Extremely Loud Popping Noises..
  201. AC30 problem
  202. Crate Palomino V8 potentiometer replacement
  203. Damn, what chord is that?
  204. 20Segi tube amp
  205. Pedalboard Mounted Power Amp
  206. Homemade Leslie cabinet
  207. Tube ID needed
  208. Simple shematics for line level distorsion
  209. Fender pro reverb AA1069 nasty noise on normal channel
  210. Bias voltage problem
  211. Need help starting keyboard mod project
  212. Bright Cap, Yes or No or Maybe
  213. Gibson L6S guitar wiring
  214. Hex sustainer thingy
  215. Marshall B65 Schematic
  216. Golden Age Pre 73
  217. Piezo sensor - mounting woes
  218. Looking for high-fi condenser capsule
  219. I bought a box of old valves, some new in box and I want to build some projects
  220. 6550s
  221. Marshall VS 8080 IC1 Blowing.
  222. strange preamp
  223. Marshall 1960 Celestion G12t-75 ohm?
  224. 72 Twin reverb
  225. 6v6 Pushpull question
  226. Single-ended 6v6 diy; over-conducting
  227. Advice for first DIY project (MIDI sample playing instrument)
  228. Bass pre-amp DI output
  229. Fender Tweed Champ Kits/Parts
  230. O/P Transformer DC Resistance Check
  231. HI-FI amplifier for bass guitar
  232. HELP With VOX AC100CPH
  233. preamp for guitar
  234. Amp enclosure help
  235. Stuck on Circuit Guitar Preamp LED mirror
  236. Digning intro old organ
  237. SONIC MA-1 Tino Zottola
  238. Compressor design
  239. Possible intermittent Micalex tube socket?
  240. Mic as filter
  241. Fender rhodes peterson vibrato preamp
  242. Biasing for single supply to op amp
  243. Hammond Converion amps
  244. SAP 15
  245. The Right Tube For The Job
  246. Fishman Loudbox
  247. My bass amp is too loud!
  248. DIY AMI DD. Need some advice.
  249. Amplification breaks up after some time
  250. Polytone 215-700 Custom Bass Amp SCHEMATIC NEEDED please

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