View Full Version : Instruments and Amps

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  1. Mixer Repair Warning!!!
  2. Who can design and help build a fine studio mixer?
  3. Bass amp diy
  4. EL 84 voltage
  5. Can I use two reverb tanks?
  6. circuit modification, help Please
  7. big sound from many small amps?
  8. A master volume control capacitor question
  9. phono amp to guitar amp pp EL84
  10. Look over my mic preamp schematic please?
  11. Distortion (2th order) get smoother with more stages?
  12. Newbie Pedal Board PSU Question
  13. Yamaha keyboard one channel feint to dead
  14. Broken input jack?
  15. Sound without tone stack?!
  16. mono amp ideas please
  17. adjusting mic circuit for guitar help please
  18. DIY Effects units/pedals where to start
  19. Calculating Plate current
  20. Deluxe Reverb Kits
  21. Cascode "screen" dissipation
  22. peavy capcitor identification help please
  23. simple amp building question help please
  24. Crate GX65
  25. Power Amp - Problem with DC levels
  26. Head build styles
  27. Vox AD120VT
  28. Lackluster Bass Amp Volume from Class D Build
  29. help with voltage figure for mic pre-amp circuit
  30. Webcor 4903 Amp Conversion
  31. Need help with noise troubleshooting
  32. Scaling the Melodier
  33. 12ax7 output issue on old sunn scepter (similar to dynaco MKIII)
  34. peavey TKO 115
  35. Need Help Deciphering Peavey 5150 Mod
  36. Predicting high frequency cutoff of low cost guitar pickups
  37. Deluxe Reverb AB763 OT selection help
  38. Latest project usb and mic valve mixer for a mobile disco.
  39. Leslie combo amp: Loud mains hum right out of the box
  40. Carlsbro Scorpion 30w combo
  41. Still confused about speakers
  42. 5e3 low sound.
  43. Best Sounding FET for preamp input stage
  44. Acoustic guitar preamp build....hopefully!!
  45. Fender Frontman 212R distorting even on clean channel.
  46. Im looking for some help with channel switching
  47. Pin 4 Screen connection on 6L6GC PP Guitar amp drops B+
  48. Fender 5F1 champ build.
  49. Build advice, JTM45 or Fender Deluxe
  50. Overheated tube socket?
  51. Suggestions for preamp ........
  52. Tube Guitar Amp Building Classes
  53. Ampage.org
  54. Champ 5F1 buzz/hum problem.
  55. JTM45 Metro Amp Mod Question
  56. Transforming 4 track Minidisc recorder to preamp/mixer for studio recording
  57. Clipping Diodes TS9
  58. Dynavox VR70
  59. Mesa Boogie Mark II c+ schematic & experience
  60. Bass Amp Idea
  61. Line out to instrument input level attenuation
  62. Problem with my ampeg portaflex pf-350
  63. Vintage Elka Reverb III
  64. Will these replacements work (OPAMPS)?
  65. JTM45 Metro amp problem
  66. can my amp cope?
  67. Electret Microphone Circuit for Accordion
  68. anyone tryed 6V6 pp ultra linear
  69. Quilter Amps
  70. Taming highs with a capacitor?
  71. 1963 Moody Tube Amp
  72. Could I get a bit of QC on my amp design?
  73. Fender early 1960s Bandmaster Recap
  74. Modular Tube Preamps/Power Amps/Cabinets
  75. largest plate voltage on a 12AX7 question
  76. tube amp direct line out
  77. Clean and Dirty switch in Single Channel Amp?
  78. Marshall bass 100 solid state transmitter
  79. Designing a battery guitar amplifier
  80. EL84 driver stage
  81. New amp build grounding question
  82. Basic question about electron flow to tube grid
  83. Guitar Grounding (Metal Control Plate)
  84. SS Bass Preamp Pedal - Some Questions
  85. Has anyone used London Power scaling
  86. Dynacord MV120 advice?
  87. Advice on < 30 watt EL84 new build
  88. Rack Compressor LED Bar Display Troubleshooting
  89. DC Cathode Follower Mixer
  90. battery amplifier, searching an IC
  91. Silvertone 1482 Capacitor replacement
  92. WEM Dominator MK3 amplifier. Lamp and Transistor Enquiry
  93. 12au7 driver
  94. Hammond AO-39 info needed
  95. Chinese Iron
  96. Klark Teknik DN22 EQ
  97. what amps do i need for this speaker config?!?
  98. line out controller
  99. Old Japanese Tube Amp Ground Wiring Woes
  100. Transformer for guitar pre balanced output
  101. Quick Channel Switch Design Question
  102. Replace EL34 in the powersection with MOSFET?
  103. 5F1 First Build Issues, need guidance
  104. solid state amplifier making noise!
  105. Single 2n3904 Channel Switching Guitar Preamps, 5 circuit ideas shown, please comment
  106. Roland JC120 Distortion
  107. Field test a S.S. rectifier
  108. hybrid output
  109. Is this design ok? Switch from distorted to clean channel on Electra Type Distortion
  110. Traynor YBA-1a Bias issue
  111. Is asymmetric clipping in distortion ok for your amp?
  112. Advice on Guitar Amp, should I get rid of it
  113. Stand-by Switch reduce their useful life
  114. Ibanez TSA-15H Power cuts out
  115. loud hum from amp
  116. Mesa Boogie Nomad 45 tube amp repair question
  117. Oscillation in Tube Guitar Amps
  118. Point-to-point wiring vs. PCBs
  119. Help! Bass amp making airplane noise. Unresponsive otherwise
  120. NOT the best distortion, but perhaps the simplest.
  121. Roland Jazz Chorus 120
  122. does anyone know of a el86/6cw5 quad amp ?
  123. SE10 by ORGASM MACHINES (single ended el34 guitar tube amp)
  124. Marshall 3520 Bass Amp -- Capacitor Question
  125. Earphones
  126. How to build a simple, low power guitar amp
  127. Dynacord Echocord S61, S62 and S65
  128. peculiar PA tube amp conversion
  129. Dynamic Clipping Using a Transistor for Guitar Distortion
  130. Conceptual question about switching tonestacks in circuit. Channel switching amp
  131. Sovtek EL84M
  132. Marshall Ministack great with stock speaks rubbish with anything else! Why?
  133. Puzzled about input impedance of this guitar distortion circuit
  134. LND150 effects loop not working properly, need help.
  135. AX84 - Cathode resistor replacment
  136. Onboard bass preamp, please help with schematic
  137. Princeton tremolo + bias setting question
  138. 2880 EHX trig out from leds
  139. Good reasonable cost mikes for live recording?
  140. Small 10k:10k Input transformers for Pultec
  141. Phonic PWA-2400, protection circuit malfunction.
  142. FRFR stage monitor for guitar modeling
  143. Home-made tube amp ghost notes?
  144. Bass tube preamp (Alembic F2-B + full EQ + XLR + tuner)
  145. Peavey CS 800 heating
  146. volume and tone for low Z pickup .....
  147. o.c. elect. cascade reverb tank.
  148. Amp Conversion .
  149. schematic daisy rock girl guitar scamp
  150. First Tube amp build, Need a little help
  151. phase splitter for KT88
  152. 1967 blackface bandmaster output transformer fire
  153. Thomas organ guts for amp build?
  154. Troubleshooting Marshall VS100 without powering up?
  155. Old Tube Intercom Amp
  156. Opinion on preamp design channel switching from Marshall to Fender Tonestack
  157. How do you get the values? Basic design questions.
  158. Super Squirrel Monkey - First from-scratch tube amp build, first guitar amp build
  159. Tube stage assignments on my Princeton AA964 clone
  160. Mysterious (haunted?) screeching amp, Marshall, maybe?
  161. DC Coupled Cathode Follower Questions
  162. Issue with Laney GH100L
  163. Disadvantages !
  164. Bassman Hum Help
  165. Smoking bridge rectifier in Valve Jr filament PS (link to schematic)
  166. guitar -> SS line in
  167. Shielded Wire for Outboard Inputs?
  168. 2 sets of wires going into speaker
  169. B-15 build
  170. output transformer Math "a little help with ma homework plz"
  171. Repairing Peavey PV-8.5c - Transistor substitute
  172. Tube recommendations for bass amp
  173. Hohner Concertophon IV and Hum
  174. D I Y .
  175. Amp trouble
  176. Critique of Phonograph Conversion Amp Plans
  177. Schematic for my ridiculous amp is partly complete.
  178. Behringer Guitar Amp
  179. Hiwatt custom tranformer 70v bias question
  180. Guitar amp/cab build questions
  181. Leslie horn on top a lowrey organ mod.
  182. How much current gain do I need for a guitar amp build?
  183. Reverb drive ckt using STF3NK80Z
  184. 6n7 dual triode output
  185. Accuracy in building an electric guitar?
  186. ~150w Marshall build questions
  187. How to include a feedback control knob in this spring reverb system?
  188. which one? accutronics or bitcom digital reverb
  189. A 6L6 Champ with 6C8 preamp
  190. fender mustang 2
  191. Euphoric valve distortion for synths!
  192. Dual Jack Inputs without the HI-LO effect? Fender / Marshall
  193. Rivera M60
  194. Built a reverb tank drive/recovery circuit - dry sound leakage
  195. Class A SE Guitar Amp Design
  196. Fender amp head cabinet question
  197. Vox AC4C1-BL amp.
  198. Ground problem! Noise disappear when i touch the chassis
  199. Fender Passport Amp - Pong sound
  200. embedded amp simulator/fx processor
  201. Trying to turn Maggie 68 solid state into guitar amp!?
  202. Peavey Classic 30 problems
  203. single ended output, no gain?
  204. Gm-5 amp harness
  205. Yamaha GA-15 ground noise even with 0 volume
  206. Neo drivers for lightweight 8X10 bass bottom
  207. 6V6 and 6F6 fixed bias grid No1
  208. Crosstalk between gain stages of Mesa Road King II guitar amplifier
  209. Randall RG1003H troubleshooting
  210. Self split cascode?
  211. Added Ground - Now Get Major "Hum"
  212. Attenuator shortening tube amp output?
  213. Fingerboard Cello schematics
  214. Output Impedance Effect On Tone Stack
  215. Acoustic Piezo Tube Preamp
  216. Neodymium speakers for silverface Twin Reverb
  217. Aguilar DB359 schematic
  218. Marshall AVT 20 Loud Humming
  219. Max grid values
  220. Ampeg Reverberocket vs hum
  221. Need Help w/XFMR's
  222. advice troubleshooting?
  223. Increased hum from changing 1st condenser vc508 schematic
  224. Stereo Valve Guitar Amp build
  225. [Guitar Amp] Preamp Output - In phase or not?
  226. Replace 1/4" Inout Jack that is mounted to circuit board
  227. Fender Inspired Versatile Tone Homebrew Amp
  228. Fender 5F6-A + PL36. OK?
  229. i try to build this tube pre amp,
  230. tube mic heater wiring
  231. A pair of identical 10w combos - perceived volume?
  232. 6l6 vs el34 in bandmaster clone
  233. Mystery components on Traynor Bassmaster Mark II YBA-1A?
  234. Traynor Signature YGA-1A
  235. primary Z for L101
  236. Crossover in a stompbox
  237. Transformer ratings Comparison for 5e3
  238. ac30 by pcl86
  239. Marshall 3315 missing parts???
  240. Transformerless reverb tank for tube amps
  241. s11e12 bass amp
  242. Converting an Echolette M40 for bass use
  243. Checking 6v6 tubes for damage?
  244. Burning Power Resistor in Organ PS
  245. Gibson Skylark GA-5
  246. Can you get fender mustang amp and ftsw circuit replacements anywhere?
  247. Multi-track guitar amp?
  248. Volume pot in a stompbox
  249. SWR Workingpro 10 tranformer kaboom and a dumb question.
  250. Marshall JCM 2000 401 combo (Kaput)

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