View Full Version : Instruments and Amps

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  1. Hartke LH500
  2. Audio buffers placement
  3. Please help repair a Warwick BC80 bass amp
  4. Microphone Hiss on DIY Kit
  5. Giving new life to an old Roland Amp
  6. Noise.
  7. Fender Hot Rod Deluxe - Some strange symptoms..
  8. Want to combine old organs into custom 'SuperOrgan
  9. IC vs discrete components
  10. Hohner Bass Guitar
  11. Preamp problem
  12. Semi-Noob trying to make sense of my first project
  13. guitar amp running on one power rail
  14. Kicking a dead pig - upgrading low-end practice amps
  15. 18" bass cab mods
  16. Hammond Reverb - Standalone Unit
  17. New Guitar Practice Amp Taking shape...
  18. Reverb Drivers
  19. Added a cathode follower - did something wrong?
  20. Power tube sockets / bad solder joints
  21. Roland Micro Cube schematic needed
  22. Heater Wiring - Parallel Wires vs. Twisted Pair
  23. problem with audio amp circuit design
  24. What's inside an electric guitar to sound card interface box
  25. 12ax7 in parallel datasheet
  26. Pan Pots
  27. Looking for Behringer 112D schematic
  28. signal chain in guitar preamp, boost before eq or eq before boost
  29. Multiband distortion FX device (help please)
  30. Valvestate 8080 autotransformer
  31. Adding distorted channel to a FBT500 tube amp
  32. A 2x4 Acoustic Guitar, For Something Completely Different.
  33. Modification of old Yamaha piezo preamp for Fishman pickup - help needed
  34. Bad noises when volume pot at max level
  35. Single EL34 guitar power amp advice
  36. Resistive attenuator: -10db for guitar amps
  37. 1966 Harmony H415 rework - bias too high
  38. Low output from 5E3 build - Are my voltages okay?
  39. 1st stage of the tube amp is oscillating 50Hz.
  40. Handy Amp with Big Muff EQ
  41. 2SK170GR buffer guitar
  42. Valvestate VS102r tone mods
  43. Conn 640 tube organ
  44. Matchless Lightning Build Low Gain
  45. Transformers back to back
  46. soldano SLO
  47. Orange drop polypropylene capacitors
  48. Anyone using FRFR with amp modelling like Amplifire etc?
  49. 6sj7 grid leak bias- lower gain
  50. Crate BT100 Bass Combo Amp Dirty Signal
  51. Marshall JTM30 low plate voltage
  52. Need help troubleshooting bass amp
  53. Webcor 4901 issue.
  54. Homemade Orange Tiny Terror clone
  55. Princeton AA1164 with 5 Watt EL91
  56. Amp Footswitch Advice Needed
  57. Bass combo line out level to low for altec power amp.
  58. 5F6a Bassman hum issue.
  59. Dynacord Echocord Super 65
  60. Original Irig
  61. Convert a 15watt Amp to Battery powered
  62. EQ, phase, and distortion
  63. Yamaha G100
  64. My soviet drum machine isn't working properly
  65. Help me sort out this 72-76 Telecaster Custom
  66. Choosing an op-amp for a guitar to line-level preamp
  67. 1979 Bassman 10 mod suggestions?
  68. Seeking schematics or info on Davoli Krundaal Model 7092 K
  69. 12AX7 Headroom Question
  70. twin reverb 65 help needed.
  71. Opto-Compressor
  72. Phantom powered mic preamp
  73. need help with diagnosing organ power amp problem
  74. Reverb Tanks
  75. Electret condenser mics
  76. Where do i put effects loop in guitar preamp circuit?
  77. Best bang for the buck microphone for recording music
  78. Request for comments on a low-voltage hybrid preamp/amp
  79. CCS preamp in my DIY guitar amp
  80. DI transformer Cap value
  81. Power Tube Attenuation
  82. Short Neck Bass
  83. question for a 4xKT88 PP amp
  84. S.S. guitar amp output stage
  85. Extra Sunn 190L Tubes?
  86. Help needed determining which reverb tank for an amp.
  87. Onboard rechargeable power supply for electric guitar/bass
  88. Can someone help me with a part number?
  89. Chip Amp with FX Loop
  90. Yamaha MS40DR Electronic Drums Monitor
  91. UK Vox night train eco mode
  92. Chip amp with FX send/return
  93. Digital Delay construction and study material
  94. Mixing Console - Acceptable Ripple Spec
  95. New York Dave's Passive Summing Mixer - Mute Switch
  96. Peavey Studio Pro 112
  97. Thomas organ amp with vibrato
  98. Anyone Build Rod Elliot's Bass Guitar Amp (Project 152)?
  99. Switching in a 2 x 12 guitar cab - help?
  100. LINE 6 AX2 amp has bad channel
  101. Red-Plating Amp
  102. Carlsbro GLX100 Schematic
  103. Limiter release in dB/s
  104. can somebody explain whats going on here? vintage amp boards?
  105. Help with X100b
  106. Dynacord Eminent 2T manual
  107. Need a help with OM-27 Omnichord
  108. High gain amplifier trouble with positive feedback
  109. High gain amplifier trouble with positive feedback
  110. 5F1 Build- Noob Questions
  111. El34 Single Ended Opt (Fender Champ)
  112. Need advice on channel switching issue
  113. Advice on Speaker for 15W Tube Amp
  114. Need a little help with a sticker
  115. Korg nutube 6p1 tube buffer/harmonizer
  116. Pet Peeve Peavey (GPS 3500)
  117. One-Hundred-Fifty Watts from Korgs New Triode?!
  118. Guitar mod
  119. one valve unity or so balanced cable driver?
  120. Bass tube preamp Project.-
  121. help in installing a preamp in my diy mixer
  122. ADA flanger not working properly
  123. reverb for a 5F1
  124. repairing broken gallien kreuger - help!
  125. Tube combo amp for nylon electric
  126. Fender Sunn SR-30a - Noise Issue.
  127. Cause of soft clipping in the germanium Fuzz Face?
  128. Fender Blues Jr. Oscillation Coming out of Standby
  129. Flapping and Buzzing Woofer
  130. Mesa Mark II footswitch circuit draws from heaters, unbalanced and noisy results
  131. Sarco V18-22 tube amplifier
  132. How to test germanium output transistors
  133. 5C1 Scatch build (voltages ?)
  134. ELK VIKING 103 Guitar amplifier
  135. OTL amps for guitar duty
  136. New guitar amp build and schematic help
  137. Choke current at startup exceeds rating? :(
  138. Mixing Console - Coupling Cap Values
  139. Tube amp blaring noise when i turn the stand by switch on!!!
  140. PT, OT, Choke Placement
  141. Project27 adding reverb and overdrive
  142. Are there any low-power class D amplifiers that are not crap for guitar amplification
  143. signal split
  144. Question re Guitar Amp Power Supply
  145. Guitar preamp
  146. I need suggestions for a guitar amp kit
  147. Bendix 6384 Fender Showman Mod
  148. Adding an FX loop to an acoustic amp
  149. Cascode LTP mic preamp
  150. Acoustic guitar preamp based on Fender
  151. Help needed on DIY TL074 mixer
  152. Hammond H-100 FX loop best location
  153. Suggested Mods for Peavey Butcher - Negative Feedback Loop Tone control?
  154. Vox AC 30SS Vibrato problem
  155. Hammond Organ 7591 Bias Adjustment
  156. Improvisation on five handmade synthesizers.
  157. Edcor XPP for EL84 amp
  158. Magnetic Pickup for Cello - Idea/Question
  159. Looking for rack gear
  160. Egnator Renegade 65
  161. Crate XT120R Issue
  162. Input transformer for Shure M63
  163. need help with passive volume and tone
  164. Bass amp with Audiopower DPA-600/F (sad story)
  165. Phonic PWA 2400 (manual, experience?)
  166. Mod TDA7429P Amp Board
  167. Marshall VS30R
  168. Tesseract Guitar Practice Amp
  169. Preamp for Triaxial Piezo Soundboard Transducer
  170. Need a new output transformer, checkmate 50!
  171. Laney Supergroup MK1 restoration
  172. Solid State version of a VOX AC-30 Guitar Amp
  173. Output Tube Into Op Amp
  174. Standby switch buzz?
  175. Peculiar balanced output connection?
  176. I need help understanding what I really need in a Tube Amp
  177. Marshall JCM800 2204 clone, need help
  178. Line Level Splitter for Amp FX Loop
  179. Beginner questions
  180. tube tremolo schematic for SE
  181. Hartke LH500
  182. Asym oscillation BEFORE modified Phase Inverter in Mesa Mark II
  183. Question on replacing faulty amp.
  184. PV Nashville 400 'Metzger' Reverb Mod
  185. using darlington configuration for increase gain in guitar distortion circuit
  186. Ovation K-6427 PVMS PA Amplifier
  187. Egnater Rebel 20 MKII - 'classic/high gain' switch - how does it work?
  188. Passive Low Cut, High Cut, Bandpass Filter
  189. I've seen two factory guitar amps asking to place 8ohm speaker on 4ohm tap
  190. help with limiter suitable for guitar amp.
  191. Klemt echollette m40 hum and feedback
  192. Hi All, Newbie at Audio, I am so desperate
  193. Mid Scoop suggestions ?
  194. Need help with tube reverb circuit noise
  195. Guitar Help needed.
  196. Solo schematics for DIY mixer
  197. Peavey PV1200 amp
  198. Maestro Rhythm King - Schematic?
  199. DIY 15/30W Amplifier
  200. Practice amp modification (Dean Markley k-15x)
  201. Identfying old RCA tubes
  202. REQ: Bogen HTA125A Schematic
  203. Soul Food Preamp into Mullard 3-3 power - good idea?
  204. Converting Hammond LR A (ex HR-40) to Hifi Mono Amp
  205. Webcor 166-1
  206. Weak Reverb in a Gibson Scout GA 17 RVT
  207. AKG C414B-ULS with low output
  208. ART DR-X Distortion Help with Diagnosis
  209. Vintage style Tube mic pre want to build help
  210. trainwreck express master volume
  211. Hiwatt Maxwatt B60/12
  212. Conn541 amplifier schematic needed
  213. Grid or cathode bias 5C1
  214. Anyone have a Fishman Loudbox schematic to share?
  215. Extract Preamp Section from Fender Frontman 212R
  216. weird R-C coupling
  217. Amp Maker WF-55 -- Have you built it? Did you like it?
  218. what are good AC values for B+ ripple at 480VDC
  219. Baldwin Panoramic Tone Converter
  220. How support Noval Socket for Pedal
  221. Less than 1w practice guitar amp Tube Valve
  222. Cannibal guitar amp project...
  223. Ibanez AEQ SS Repair
  224. 1979 Pro Reverb problem
  225. Oscillation Mystery Solved!
  226. anyone has a DBX 223XS can help me?
  227. Marshall AVT20 footswitch?
  228. behringer Inuke 3000 failure
  229. 60's JMI VOX AC15 tremolo
  230. Suzuki Omnichord Om-27: only makes a low hum-noise
  231. Badcat Guitar Amp schematic needed
  232. Peavey TNT 150
  233. Ampeg J12T isuues
  234. EL84 puzzle
  235. Build Troubleshooting
  236. DC Cathode Follower Mixer
  237. Sub miniature pentode push pull design help
  238. Class A question
  239. Modelling Two Amps in One - Tone Switching
  240. Marshall JMP 77 MV 100W amplifier HT issues
  241. Getting more crunch out of 5F1 clone.
  242. Hey Enzo!!
  243. buzzing in peavey tko 115 help please
  244. Budget Bud?
  245. Space Charge tubes - and uses
  246. Obsessive-Compulsive Purchase
  247. Troubleshooting a 6v6 plexi
  248. Marshall Lead and Bass SS JMP 2195 issues
  249. basic potentiometer help please
  250. Volume Pedal + Amp Board = ?

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