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  1. 48v Phantom Power Supply Questions
  2. Auto capacitor "drain" fixture
  3. Bass preamp: non-inverting an inverting tone stack (opamp)
  4. UK : Fender Frontman 15R 8" 8 ohm 25W speaker
  5. Vox ac30 HUM B-2
  6. Which Brand Electrolytic Caps for Fender AB763?
  7. Reverb for project valve amp
  8. Need opinion on Simple mods to Trace Elliot 715 Bass combo
  9. Matchless Hotbox - troubleshooting
  10. Marshall 1959SLP build - Your opinion?
  11. Multi Active Band-Pass Filter Equalizer (Guitar Pedal)
  12. New cab build
  13. Weber tremolo kit
  14. got a 3rd head...
  15. Amplifier for violin
  16. Making a pedal with things I found
  17. Home-made Tannerin or Ribbon Controller
  18. Crossover to protect speakers?
  19. Expensive transformer for bass DI?
  20. Problem with tube amplifier
  21. 50's Bogen DB10 need to reduce gain -Negative feedback?
  22. Notes- Line6 HD147 guitar amp power section
  23. Tone control preamp
  24. guitar effects wiring
  25. 1966 Super reverb problem child
  26. MESA STRATEGY BIAS MOD
  27. Voltage between chassis ground and earth ground
  28. 12FQ8 Guitar amp questions
  29. Plate current and red plate problem
  30. Roland Jazz Chorus 77
  31. Fender DRRI tone
  32. Weber 6m45p high pitch squeal
  33. Marshall G100R CD
  34. Dean Markley rm-80-dr
  35. Possible Bias issue??
  36. gallien-krueger MB150s 120v to 230v conversion?
  37. Separate outputs for ElectroHarmonics - 2880
  38. 4x10 bass stack
  39. ISO: Guitar-Synth DIY Project Help.
  40. SS Vintager has dwindled volume
  41. homebrew 18 watt problem
  42. Silvertone 1482 Fuse Troubleshooter help
  43. 1st filter with GZ34, is 100uf to big
  44. Marshall avt20 problem
  45. Fender Ultimate Chorus noise at power off
  46. [DIY pedal] Replace 12AU7 with 9AU7 ??
  47. Trace Elliot AH300-7 power issues Help
  48. Peavey CS800X Power Transistors
  49. OT Impedance
  50. Tweed Tone Control Simulation
  51. Surviving the Crate Stealth
  52. Post your Horror stories of getting lit up by Filter Caps anyone?
  53. Laney LV100 with Celestion or HH
  54. Reverse diodes on guitar amp output pentodes
  55. GE black-plate 6V6GT Test
  56. Help needed on a DIY guitar amp
  57. Active Bandpass Filter Equalizer (Guitar Pedal)
  58. MSGEQ7 without micro controller?
  59. Vibrato/Tremolo
  60. effects loop, harp amp
  61. Crate Vintage Club 50 Problems
  62. Crate Stealth 50w Kicking ***
  63. Please Help me chose the right speaker
  64. Reverb hum
  65. ID E83CC Tube
  66. Instrument Keyboad audio Fault?
  67. Basic Question
  68. I have a design decision to make - mini guitar amps
  69. picked up an old Fender amp
  70. cool stuff
  71. DIY multi champ amp
  72. 5E3 Volume Tone mod
  73. Shunt regulator B+ in SE Valve Jr.
  74. DIY Stompbox (Foot Bass Drum)
  75. Expert needed: Framus Head NOISE ISSUE
  76. putting an amp and speaker inside an acoustic bass
  77. Anyone have experience with transformers for a 6p30b-r PP Amp?
  78. DIY 50W Plexi Preamp Problem
  79. How to replace a power cord on a tube amp.
  80. strauss SVCL30 AMP faults?
  81. Class B amp for Heavy Metal guitar
  82. Guitar Amps Output Transformer specs
  83. Yamaha TRB preamp low output - HELP
  84. Power source "adaptation" on guitar amp
  85. Options for guitar amp
  86. same transformer, different voltages?
  87. Issue with '72 Twin Reverb.
  88. My Trainwreck pictures
  89. Ampmaker.com
  90. schematic or build thread for guitar amp from hammond parts
  91. JFETs as switch in 2-channel tube amp
  92. Class B guitar amplifier questions
  93. snake oil and bypass caps
  94. Need help identifying this unit
  95. Marshall G80R-CD; Some sound, Speaker is fine
  96. No sound....
  97. guitar amp transformer upgrades
  98. Bassman 50 red plate and bias
  99. whats a good recording interface WITHOUT amp modeling
  100. Behringer Eurodesk MX9000 mixer humming
  101. Pepco Amp
  102. Ampeg J-12T 60's amp issues? Help!
  103. Stereo Mic Preamp (with Phantom Power
  104. DIY iRig
  105. Looking for a schematic.. Crate BV50H
  106. EQ Design
  107. Vox V941 active FX Loop - I'm looking for schematics
  108. AC polarity
  109. Grounded grid stage in guitar amp
  110. Madamp g2 to reverb unit
  111. Building power electronics into a wooden cabinet?
  112. TUBES: where do you buy yours?
  113. Adding LED & DC Jack to fuzz circuit
  114. Silvertone Organ Amp
  115. German? amp help please
  116. Guitar amp is 60W or 100W?
  117. Which is the most powerful Class D amplifier?
  118. Preamp for ceramic piezo pickup
  119. DC Pilot Light energy source - cathode resistor?
  120. Marshall 50W ECC808 Homebrew
  121. Speaker Cab Project and Questions
  122. tremolo pot value change - consequences?
  123. How is tube distortion supposed to look like on a scope?
  124. Designed 12AT7 Long Tail Pair phase inverter - half of it doesn't work right
  125. Diy bass amp.
  126. Cajón
  127. How do I connect a microphone to an amp?
  128. Question about Noval 9 pin minature sockets
  129. Lace sensor
  130. New idea for instrument pickups
  131. Lace Alumitone pickups
  132. Q-tuner neodymiun magnet guitar & bass pickups
  133. tone stack buffer
  134. looking for 5 1/4" drivers that handle deep bass
  135. JTM45/50 build, B+ question
  136. .001 ceramic
  137. Tube amp fluctuating volume on moderate gain
  138. Harmony H-305 over conducting 5y3?
  139. Interior Bass Cabinet Volume
  140. Looking for Neumann N149 power supply schematic
  141. Fender clone mashup help (6G3 + 6G6)
  142. Whitley PA Guitar Conversion
  143. Could the SA-310 bass cab be used for a bass and guitar cab?
  144. Bass Amp Project High Quality Transformer
  145. Guitar EL84 push-pull, tone control placement
  146. Peavey CS-800 Static
  147. 3 band tone stack in ecl86 stage
  148. Converting a non-MIDI keyboard
  149. 48V phantom supply for mic
  150. Crate v50-112 noisy clean channel
  151. Internally Miked Accordion Project (5 x WM-61A)
  152. LM4780 Guitar Amp Question
  153. Speaker delay circut design?
  154. Anybody tried the ID series yet?
  155. Building a spring reverb unit
  156. brief sound when switching off amp
  157. Curing hum in Mullard 3+3 valve amplifiers
  158. Build guitar amp with 2 6L6 or 4 6V6?
  159. Installing a potentiometer/volume control
  160. DIY 8 Watt Portable Guitar Amp
  161. headphone input addition to tube amp
  162. emitter follower for onboard guitar preamp
  163. Hammond AO-29 conversion
  164. 8 Watt SE Plexi Style Tube Amp Made from an Akai Roberts Reel Monoblock
  165. Anyone owns a Dynavox VR-307 Amplifier ?
  166. On now! Jamerson's Ampeg
  167. Another DIY tube based fuzz
  168. St. George Amplifier
  169. Attenuator for tube amp
  170. front end channel blend - have you tried it?
  171. Peavey CS-800 Issues.
  172. Fender Twin Troubleshooting Help Please - Jedi Master Needed!
  173. Marshall MF350 diagnostics
  174. Grounding back to back transformers
  175. 5f1 transformers
  176. MARSHALL 9200
  177. schematic for yamaha hundred 212 guitar amp
  178. Marshall 275 valve amp transformer
  179. Blackstar Amps mains connection?
  180. How to improve marshall guitar amp with harsh overdrive?
  181. Need Help with a 1996 SWR Workingman's 12 Combo Amp
  182. PAiA stack-in-a-box guitar preamp kit
  183. 4 guitar amps 1 guitar cabinet, I need help
  184. DIY Guitar Amp Oscillation
  185. 6BM8 guitar amp - SE or PP?
  186. DIY newb bias question (100w guitar/bass amp)
  187. New to tubes, SE guitar amp
  188. schematic needed, cascading gain stages for m@rsh@ll copy
  189. current issue
  190. JCM800 / 2204 style build hum / buzz plea for help
  191. Behringer BX3000t Scematic or info
  192. WEM Cpicat with 3 12AX7's (no 6BR8)
  193. fender acoustasonic 80w
  194. Why does the Tone Bender circuit even work at all?
  195. Loud amplifier hum
  196. eq input and output buffer
  197. LMB 3 b***
  198. Fender Musicmaster melting tube tube sockets?
  199. 5Y3GT rectifier difficulty
  200. Heater regulator for guitar amp?
  201. trainwreck speaker baffle reduction
  202. Help needed identifying 1962 marshall bluesbreaker (reissue) power tx connections
  203. power transformer wiring help
  204. AVT50 Repair
  205. speaker attenuator
  206. odd-ball PI circuit identification, and headroom question
  207. New amp a success, then dead.
  208. CLAVIOLNES
  209. little help here
  210. Do guitar amps tend to self-oscillate?
  211. Mercury magnetics FBfd-om in matchless spitfire
  212. line-out on guitar amp
  213. high distortion pedal
  214. EL34 load line - sanity check
  215. Requesting schematics for Markbass little mark I
  216. peavey heritage 212
  217. Tube Amp Dummy Load questions
  218. Onboard bass preamp troubleshooting
  219. Rickenbacker RA-600
  220. [Help] Modify To Overdrive
  221. Maximum power of Blackstar ID series?
  222. guitar amp baffle board
  223. Weber bias calculator
  224. Which Neo bass units sound good?
  225. Phonic Roadgear 260 Schematic wanted
  226. DIY ribbon microphone preamp question
  227. 2Ж27Л - 4Ж1Л - 12Ж1Л - 4П1Л - How to use ??
  228. preamp to handle peaks
  229. 5150 II tube head with hot bias
  230. Output transformer and shock from the speaker jack
  231. vertical line cabinet design for bass guitar
  232. VALVEKING ROYAL8 with 6p14p-EV
  233. Making my own Turret setting tool. What bevel?
  234. Single ended tube amp Lead Dressing
  235. Fender sidekick reverb 30 noise problem
  236. Which transformer wires are which?
  237. Problem with a Peavey Classic 50
  238. Amplifier grounding
  239. Can I wire speakers like this?
  240. Power tube squeeling on standby?!
  241. High Gain Guitar Preamp
  242. 18 watt toroidal transformer questions
  243. Troubles with EL84 class A output stage
  244. Help with '65 Bassman!!!
  245. Matchless Hotbox Layout problems
  246. push-pull El34 bias question
  247. Recommendations for single ended guitar amp build
  248. Which transformer for small practice tube SE amp
  249. Champ grounding hum
  250. Buzzing in preamp circuit?

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