View Full Version : Instruments and Amps

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  1. Modular Tube Preamps/Power Amps/Cabinets
  2. largest plate voltage on a 12AX7 question
  3. tube amp direct line out
  4. Clean and Dirty switch in Single Channel Amp?
  5. Marshall bass 100 solid state transmitter
  6. Designing a battery guitar amplifier
  7. New amp build grounding question
  8. Basic question about electron flow to tube grid
  9. Guitar Grounding (Metal Control Plate)
  10. SS Bass Preamp Pedal - Some Questions
  11. Has anyone used London Power scaling
  12. Dynacord MV120 advice?
  13. Advice on < 30 watt EL84 new build
  14. Rack Compressor LED Bar Display Troubleshooting
  15. DC Cathode Follower Mixer
  16. battery amplifier, searching an IC
  17. Silvertone 1482 Capacitor replacement
  18. WEM Dominator MK3 amplifier. Lamp and Transistor Enquiry
  19. 12au7 driver
  20. Hammond AO-39 info needed
  21. Chinese Iron
  22. Klark Teknik DN22 EQ
  23. what amps do i need for this speaker config?!?
  24. line out controller
  25. Old Japanese Tube Amp Ground Wiring Woes
  26. Transformer for guitar pre balanced output
  27. Quick Channel Switch Design Question
  28. Replace EL34 in the powersection with MOSFET?
  29. 5F1 First Build Issues, need guidance
  30. solid state amplifier making noise!
  31. Single 2n3904 Channel Switching Guitar Preamps, 5 circuit ideas shown, please comment
  32. Roland JC120 Distortion
  33. Field test a S.S. rectifier
  34. Is this design ok? Switch from distorted to clean channel on Electra Type Distortion
  35. Traynor YBA-1a Bias issue
  36. Is asymmetric clipping in distortion ok for your amp?
  37. Advice on Guitar Amp, should I get rid of it
  38. Stand-by Switch reduce their useful life
  39. Ibanez TSA-15H Power cuts out
  40. loud hum from amp
  41. Mesa Boogie Nomad 45 tube amp repair question
  42. Oscillation in Tube Guitar Amps
  43. Point-to-point wiring vs. PCBs
  44. Help! Bass amp making airplane noise. Unresponsive otherwise
  45. NOT the best distortion, but perhaps the simplest.
  46. Roland Jazz Chorus 120
  47. does anyone know of a el86/6cw5 quad amp ?
  48. SE10 by ORGASM MACHINES (single ended el34 guitar tube amp)
  49. Marshall 3520 Bass Amp -- Capacitor Question
  50. Earphones
  51. How to build a simple, low power guitar amp
  52. Dynacord Echocord S61, S62 and S65
  53. peculiar PA tube amp conversion
  54. Dynamic Clipping Using a Transistor for Guitar Distortion
  55. Conceptual question about switching tonestacks in circuit. Channel switching amp
  56. Sovtek EL84M
  57. Marshall Ministack great with stock speaks rubbish with anything else! Why?
  58. Puzzled about input impedance of this guitar distortion circuit
  59. LND150 effects loop not working properly, need help.
  60. AX84 - Cathode resistor replacment
  61. Onboard bass preamp, please help with schematic
  62. Princeton tremolo + bias setting question
  63. 2880 EHX trig out from leds
  64. Good reasonable cost mikes for live recording?
  65. Small 10k:10k Input transformers for Pultec
  66. Phonic PWA-2400, protection circuit malfunction.
  67. FRFR stage monitor for guitar modeling
  68. Home-made tube amp ghost notes?
  69. Bass tube preamp (Alembic F2-B + full EQ + XLR + tuner)
  70. Peavey CS 800 heating
  71. volume and tone for low Z pickup .....
  72. o.c. elect. cascade reverb tank.
  73. Amp Conversion .
  74. schematic daisy rock girl guitar scamp
  75. First Tube amp build, Need a little help
  76. phase splitter for KT88
  77. 1967 blackface bandmaster output transformer fire
  78. Thomas organ guts for amp build?
  79. Troubleshooting Marshall VS100 without powering up?
  80. Old Tube Intercom Amp
  81. Opinion on preamp design channel switching from Marshall to Fender Tonestack
  82. How do you get the values? Basic design questions.
  83. Super Squirrel Monkey - First from-scratch tube amp build, first guitar amp build
  84. Tube stage assignments on my Princeton AA964 clone
  85. Mysterious (haunted?) screeching amp, Marshall, maybe?
  86. DC Coupled Cathode Follower Questions
  87. Issue with Laney GH100L
  88. Disadvantages !
  89. Bassman Hum Help
  90. Smoking bridge rectifier in Valve Jr filament PS (link to schematic)
  91. guitar -> SS line in
  92. Shielded Wire for Outboard Inputs?
  93. 2 sets of wires going into speaker
  94. B-15 build
  95. output transformer Math "a little help with ma homework plz"
  96. Repairing Peavey PV-8.5c - Transistor substitute
  97. Tube recommendations for bass amp
  98. Hohner Concertophon IV and Hum
  99. D I Y .
  100. Amp trouble
  101. Critique of Phonograph Conversion Amp Plans
  102. Schematic for my ridiculous amp is partly complete.
  103. Behringer Guitar Amp
  104. Hiwatt custom tranformer 70v bias question
  105. Guitar amp/cab build questions
  106. Leslie horn on top a lowrey organ mod.
  107. How much current gain do I need for a guitar amp build?
  108. Reverb drive ckt using STF3NK80Z
  109. 6n7 dual triode output
  110. Accuracy in building an electric guitar?
  111. ~150w Marshall build questions
  112. How to include a feedback control knob in this spring reverb system?
  113. which one? accutronics or bitcom digital reverb
  114. A 6L6 Champ with 6C8 preamp
  115. fender mustang 2
  116. Euphoric valve distortion for synths!
  117. Dual Jack Inputs without the HI-LO effect? Fender / Marshall
  118. Rivera M60
  119. Built a reverb tank drive/recovery circuit - dry sound leakage
  120. Class A SE Guitar Amp Design
  121. Fender amp head cabinet question
  122. Vox AC4C1-BL amp.
  123. Ground problem! Noise disappear when i touch the chassis
  124. Fender Passport Amp - Pong sound
  125. embedded amp simulator/fx processor
  126. Trying to turn Maggie 68 solid state into guitar amp!?
  127. Peavey Classic 30 problems
  128. single ended output, no gain?
  129. Gm-5 amp harness
  130. Yamaha GA-15 ground noise even with 0 volume
  131. Neo drivers for lightweight 8X10 bass bottom
  132. 6V6 and 6F6 fixed bias grid No1
  133. Crosstalk between gain stages of Mesa Road King II guitar amplifier
  134. Randall RG1003H troubleshooting
  135. Self split cascode?
  136. Added Ground - Now Get Major "Hum"
  137. Attenuator shortening tube amp output?
  138. Fingerboard Cello schematics
  139. Output Impedance Effect On Tone Stack
  140. Acoustic Piezo Tube Preamp
  141. Neodymium speakers for silverface Twin Reverb
  142. Aguilar DB359 schematic
  143. Marshall AVT 20 Loud Humming
  144. Max grid values
  145. Ampeg Reverberocket vs hum
  146. Need Help w/XFMR's
  147. advice troubleshooting?
  148. Increased hum from changing 1st condenser vc508 schematic
  149. Stereo Valve Guitar Amp build
  150. [Guitar Amp] Preamp Output - In phase or not?
  151. Replace 1/4" Inout Jack that is mounted to circuit board
  152. Fender Inspired Versatile Tone Homebrew Amp
  153. Fender 5F6-A + PL36. OK?
  154. i try to build this tube pre amp,
  155. tube mic heater wiring
  156. A pair of identical 10w combos - perceived volume?
  157. 6l6 vs el34 in bandmaster clone
  158. Mystery components on Traynor Bassmaster Mark II YBA-1A?
  159. Traynor Signature YGA-1A
  160. primary Z for L101
  161. Crossover in a stompbox
  162. Transformer ratings Comparison for 5e3
  163. ac30 by pcl86
  164. Marshall 3315 missing parts???
  165. Transformerless reverb tank for tube amps
  166. s11e12 bass amp
  167. Converting an Echolette M40 for bass use
  168. Checking 6v6 tubes for damage?
  169. Burning Power Resistor in Organ PS
  170. Gibson Skylark GA-5
  171. Can you get fender mustang amp and ftsw circuit replacements anywhere?
  172. Multi-track guitar amp?
  173. Volume pot in a stompbox
  174. SWR Workingpro 10 tranformer kaboom and a dumb question.
  175. Marshall JCM 2000 401 combo (Kaput)
  176. Vox OS/117 Preamp transistors
  177. 2 different pt wiring diagrams for 5E3?
  178. Replacement power supply (transformer) for guitar amp, HELP!
  179. Boxing in my EL34s
  180. B+ issue in tube amp
  181. AC30CC2X
  182. Laney LC30R generation 3 service manual needed.
  183. 5f2-a guitar amp sounds dull and muddy
  184. Bassman AB165 output sockets
  185. Phase inverter bias question and also an impedance question
  186. fender wiring diagrams
  187. Tube preamp Design for Guitar
  188. Tremolo Pedal troubleshooting (no output)
  189. retrofitting tele pots, size constraints
  190. Lo-Fi Low Power Guitar Style Amp
  191. Little Big Muff (op-amp) rebuild, insanely loud
  192. High frequency Oscillation in 5f2a guitar amplifier
  193. Ampeg B-15 or Fender Bassman clone rebuild?
  194. Hifi Output transformer used in guitar SE 5W???
  195. Silvertone Amp + Isolating Transformer
  196. 5e3 Deluxe - first build
  197. DIY Instrument Cable - Advice/Input
  198. Need Schematic for Gretsch Artist Model
  199. Squier Strat (Japan) schematic...
  200. 1 watt amp with too much hum
  201. What resistors are used in 65 amps?
  202. Multi-stage buffer
  203. Behringer A500 power amplifier - weird problem
  204. Effects loops:For pedals or only rack line-level gear?
  205. hammond 1650h for trainwreck express
  206. Yamaha DX7s Reload
  207. Laney L20H - I'm looking for the schematic
  208. Ampeg G212 Guitar amplifier loud On Boom
  209. Troubleshooting Ampeg SS-140C
  210. 5 watt SE guitar amp. First build
  211. Advice about custom Diy amp build?
  212. Mixing speakers: no way to get good results?
  213. Gorgeous, 3 Tube, Low Power Audio Amp for Guitar
  214. "the howler"
  215. Issues with Single ended guitar amp build
  216. Dynacord s62 components...?
  217. Firefly Rev. 5 Questions - Low output, high distortion
  218. unhealthy idling pt load with only htrs
  219. Need help ID'ing OP Amp schematic symbols
  220. QSC vs JBL
  221. VVR-Your experiences and recommendations, please.
  222. Tube amp with SS phase inverter
  223. Scope distortion pattern- diagnose problem?
  224. Wurlitzer electric piano interference
  225. Craaft Model "Bassic" (Solton Music) Schematic wanted
  226. Help Troubleshooting/Debugging my Laney TI-15
  227. Tube triode preamp design, a quest for Headroom....
  228. Power Transformer HV 830volts, Match to Valve amp project?
  229. Binson Echorec Tape Heads
  230. THOMAS ORGAN CO. AMPLIFIER from TL-1 , need schematic
  231. B1ues boy amp questions
  232. No Bias Votage on 12AX7
  233. Fender Blues Deluxe Power Transformer Specs?
  234. mismatched tubes
  235. Wurlitzer 4500 amp conversion
  236. Conversion of a hammond PR40 amp
  237. Loud buzz or clean but quiet.
  238. Split loading plate on 12AX7
  239. TDA2040 vs LM1875T for guitar amp
  240. Problem with 'Bassman Micro' 5F6A build -Help!
  241. HH 100l help
  242. Sound to light converter.
  243. OPT winding impedances question
  244. Weber 6M18 TMB amp questions
  245. Determining Current Requirements
  246. SWR redhead preamp issue
  247. Dim Bulb Tester
  248. Echocord S65 tubes tape delay needs repair
  249. Providing 6.3 VAC to EZ81 rectifier tube
  250. Salvaged Hammond AO-68-1a

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