View Full Version : Instruments and Amps

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  1. Onboard rechargeable power supply for electric guitar/bass
  2. Can someone help me with a part number?
  3. Chip Amp with FX Loop
  4. Yamaha MS40DR Electronic Drums Monitor
  5. UK Vox night train eco mode
  6. Chip amp with FX send/return
  7. Digital Delay construction and study material
  8. Mixing Console - Acceptable Ripple Spec
  9. New York Dave's Passive Summing Mixer - Mute Switch
  10. Peavey Studio Pro 112
  11. Thomas organ amp with vibrato
  12. Anyone Build Rod Elliot's Bass Guitar Amp (Project 152)?
  13. Switching in a 2 x 12 guitar cab - help?
  14. LINE 6 AX2 amp has bad channel
  15. Red-Plating Amp
  16. Carlsbro GLX100 Schematic
  17. Limiter release in dB/s
  18. can somebody explain whats going on here? vintage amp boards?
  19. Help with X100b
  20. Dynacord Eminent 2T manual
  21. Need a help with OM-27 Omnichord
  22. High gain amplifier trouble with positive feedback
  23. High gain amplifier trouble with positive feedback
  24. 5F1 Build- Noob Questions
  25. El34 Single Ended Opt (Fender Champ)
  26. Need advice on channel switching issue
  27. Advice on Speaker for 15W Tube Amp
  28. Need a little help with a sticker
  29. Korg nutube 6p1 tube buffer/harmonizer
  30. Pet Peeve Peavey (GPS 3500)
  31. One-Hundred-Fifty Watts from Korgs New Triode?!
  32. Guitar mod
  33. one valve unity or so balanced cable driver?
  34. Bass tube preamp Project.-
  35. help in installing a preamp in my diy mixer
  36. ADA flanger not working properly
  37. reverb for a 5F1
  38. repairing broken gallien kreuger - help!
  39. Tube combo amp for nylon electric
  40. Fender Sunn SR-30a - Noise Issue.
  41. Cause of soft clipping in the germanium Fuzz Face?
  42. Fender Blues Jr. Oscillation Coming out of Standby
  43. Flapping and Buzzing Woofer
  44. Mesa Mark II footswitch circuit draws from heaters, unbalanced and noisy results
  45. Sarco V18-22 tube amplifier
  46. How to test germanium output transistors
  47. 5C1 Scatch build (voltages ?)
  48. ELK VIKING 103 Guitar amplifier
  49. OTL amps for guitar duty
  50. New guitar amp build and schematic help
  51. Choke current at startup exceeds rating? :(
  52. Mixing Console - Coupling Cap Values
  53. Tube amp blaring noise when i turn the stand by switch on!!!
  54. PT, OT, Choke Placement
  55. Project27 adding reverb and overdrive
  56. Are there any low-power class D amplifiers that are not crap for guitar amplification
  57. signal split
  58. Question re Guitar Amp Power Supply
  59. Guitar preamp
  60. I need suggestions for a guitar amp kit
  61. Bendix 6384 Fender Showman Mod
  62. Adding an FX loop to an acoustic amp
  63. Cascode LTP mic preamp
  64. Acoustic guitar preamp based on Fender
  65. Help needed on DIY TL074 mixer
  66. Hammond H-100 FX loop best location
  67. Suggested Mods for Peavey Butcher - Negative Feedback Loop Tone control?
  68. Vox AC 30SS Vibrato problem
  69. Hammond Organ 7591 Bias Adjustment
  70. Improvisation on five handmade synthesizers.
  71. Edcor XPP for EL84 amp
  72. Magnetic Pickup for Cello - Idea/Question
  73. Looking for rack gear
  74. Egnator Renegade 65
  75. Crate XT120R Issue
  76. Input transformer for Shure M63
  77. need help with passive volume and tone
  78. Bass amp with Audiopower DPA-600/F (sad story)
  79. Phonic PWA 2400 (manual, experience?)
  80. Mod TDA7429P Amp Board
  81. Marshall VS30R
  82. Tesseract Guitar Practice Amp
  83. Preamp for Triaxial Piezo Soundboard Transducer
  84. Need a new output transformer, checkmate 50!
  85. Laney Supergroup MK1 restoration
  86. Solid State version of a VOX AC-30 Guitar Amp
  87. Output Tube Into Op Amp
  88. Standby switch buzz?
  89. Peculiar balanced output connection?
  90. I need help understanding what I really need in a Tube Amp
  91. Marshall JCM800 2204 clone, need help
  92. Line Level Splitter for Amp FX Loop
  93. Beginner questions
  94. tube tremolo schematic for SE
  95. Hartke LH500
  96. Asym oscillation BEFORE modified Phase Inverter in Mesa Mark II
  97. Question on replacing faulty amp.
  98. PV Nashville 400 'Metzger' Reverb Mod
  99. using darlington configuration for increase gain in guitar distortion circuit
  100. Ovation K-6427 PVMS PA Amplifier
  101. Egnater Rebel 20 MKII - 'classic/high gain' switch - how does it work?
  102. Passive Low Cut, High Cut, Bandpass Filter
  103. I've seen two factory guitar amps asking to place 8ohm speaker on 4ohm tap
  104. help with limiter suitable for guitar amp.
  105. Klemt echollette m40 hum and feedback
  106. Hi All, Newbie at Audio, I am so desperate
  107. Mid Scoop suggestions ?
  108. Need help with tube reverb circuit noise
  109. Guitar Help needed.
  110. Solo schematics for DIY mixer
  111. Peavey PV1200 amp
  112. Maestro Rhythm King - Schematic?
  113. DIY 15/30W Amplifier
  114. Practice amp modification (Dean Markley k-15x)
  115. Identfying old RCA tubes
  116. REQ: Bogen HTA125A Schematic
  117. Soul Food Preamp into Mullard 3-3 power - good idea?
  118. Converting Hammond LR A (ex HR-40) to Hifi Mono Amp
  119. Webcor 166-1
  120. Weak Reverb in a Gibson Scout GA 17 RVT
  121. AKG C414B-ULS with low output
  122. ART DR-X Distortion Help with Diagnosis
  123. Vintage style Tube mic pre want to build help
  124. trainwreck express master volume
  125. Hiwatt Maxwatt B60/12
  126. Conn541 amplifier schematic needed
  127. Grid or cathode bias 5C1
  128. Anyone have a Fishman Loudbox schematic to share?
  129. Extract Preamp Section from Fender Frontman 212R
  130. weird R-C coupling
  131. Amp Maker WF-55 -- Have you built it? Did you like it?
  132. what are good AC values for B+ ripple at 480VDC
  133. Baldwin Panoramic Tone Converter
  134. How support Noval Socket for Pedal
  135. Less than 1w practice guitar amp Tube Valve
  136. Cannibal guitar amp project...
  137. Ibanez AEQ SS Repair
  138. 1979 Pro Reverb problem
  139. Oscillation Mystery Solved!
  140. anyone has a DBX 223XS can help me?
  141. Marshall AVT20 footswitch?
  142. behringer Inuke 3000 failure
  143. 60's JMI VOX AC15 tremolo
  144. Suzuki Omnichord Om-27: only makes a low hum-noise
  145. Badcat Guitar Amp schematic needed
  146. Peavey TNT 150
  147. Ampeg J12T isuues
  148. EL84 puzzle
  149. Build Troubleshooting
  150. DC Cathode Follower Mixer
  151. Sub miniature pentode push pull design help
  152. Class A question
  153. Modelling Two Amps in One - Tone Switching
  154. Marshall JMP 77 MV 100W amplifier HT issues
  155. Getting more crunch out of 5F1 clone.
  156. Hey Enzo!!
  157. buzzing in peavey tko 115 help please
  158. Budget Bud?
  159. Space Charge tubes - and uses
  160. Obsessive-Compulsive Purchase
  161. Troubleshooting a 6v6 plexi
  162. Marshall Lead and Bass SS JMP 2195 issues
  163. basic potentiometer help please
  164. Volume Pedal + Amp Board = ?
  165. AB Systems 410C amp mysteries
  166. Can I use 1 op amp with channel switching preamp
  167. Trying To Understand This Power Supply Design
  168. Master Volume stuck on full Marshall 101cfx
  169. Amplee Thunder vintage 35, guitar amp
  170. Dynacord Echocord Mini, no echo!
  171. Impedance Mismatch BurnUp Danger Question
  172. Help with modification on sound effects board
  173. about V73 Maihak amp
  174. Building a crossover for a acoustic mic/pickup
  175. Help with a tube guitar amp for my father, schematic sanity check
  176. Low tech Bass guitar amp/speaker
  177. Splitting an electro-acoustic guitar signal
  178. Help with identification
  179. Need help to design new amp, payed $$$
  180. Mono/Stereo lines and adapters - a few questions...
  181. Peavey 8.5 power amp.
  182. Minimalistic Bare Bones 2 Transistor Guitar Preamp
  183. DIY guitar amp
  184. Idea Shaping and Guidance Needed
  185. Grid voltage Pultec 1A
  186. tube amp capacitor voltage ratings help please
  187. Omnichord Repair
  188. Pultec low freq pops
  189. SM57 to 100K input tube premap impedance
  190. Input Jack = ground loop??
  191. Heeeelp:( 70's plexi build
  192. Need some amp help please! No sound!
  193. SilverTone 1474 First stage lots of Hissss?
  194. Studer Console Output Transformer
  195. Farfisa Compact Deluxe
  196. Yet another valve USB/MIC/LINE mixer/preamp.
  197. EL84 as a mic preamp
  198. Building a Faraday Cage - which frequencies do I want to block?
  199. 6x9 instrument speakers almost extinct
  200. 6l6GB not finding alot of guitar amps that run these..
  201. Blue Robbie heater problems
  202. AC15 EL84 output transformer replacement or DIY
  203. Phase inverter distortion
  204. IGOR Red board Sontec Clone - need Schematics please
  205. LM7809 voltage regulator quick question
  206. New Member looking for opinions on my design
  207. Crossover for Fane PRO 18-800P replaced in Martin S18+
  208. Poor little GZ34 F32 B6H4
  209. Lee Jackson xla-1000 squealing
  210. High voltages on Fender 5E5 home brew
  211. AX84 is about to close
  212. 6v6gt output transformer question, help please
  213. Behringer EP 4000
  214. Is this parasitic oscillation (and what do I do about it?)
  215. Limiting inrush current
  216. New small amplifier build
  217. Issue with a home built amp
  218. Troubleshooting the dB Technologies Basic 200 Active Speaker
  219. Clamping pre-amp voltage output
  220. Repairing Samson Servo 300
  221. Please help how to measure/guage output of guitar preamp
  222. "Active" Marshall tone control
  223. Post PI Master or Tone with feedback
  224. Repairing a hissing microphone preamplifier
  225. preamp with 5 or 7 band tone control.
  226. Please help, inductors keep dying
  227. Safer VVR circuit?
  228. Rivera R30-112 repair
  229. 220 to 110 conversion Peavey Bandit 112
  230. Pignose 7-100 repair
  231. Add more gain to Home built Guitar Amp
  232. Weird tube Bass Preamp
  233. Joe Meek Racal Equaliser Help
  234. Simple guitar preamp with 1 transistor
  235. Schematics needed! Randall Warhead G2 Preamp.
  236. Mixer Repair Warning!!!
  237. Who can design and help build a fine studio mixer?
  238. Bass amp diy
  239. EL 84 voltage
  240. Can I use two reverb tanks?
  241. circuit modification, help Please
  242. big sound from many small amps?
  243. A master volume control capacitor question
  244. phono amp to guitar amp pp EL84
  245. Look over my mic preamp schematic please?
  246. Distortion (2th order) get smoother with more stages?
  247. Newbie Pedal Board PSU Question
  248. Yamaha keyboard one channel feint to dead
  249. Broken input jack?
  250. Sound without tone stack?!

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