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  1. Peavey op-amp sub
  2. Crate GX1600 blowing fuses (and general SS help)
  3. boost idea
  4. on/off switch pop when turned off
  5. Sony stereophonic amp (60's tube)
  6. Transformer from Marshall 3530
  7. baldwin model 45 c-2 amp
  8. Single tube guitar amp, adding a transformer to a formerly transformer-less design
  9. More Peavey Classic amps
  10. Echoplex restoration
  11. Background noise on guitar amp TD35
  12. SVT project
  13. Gibson amp project
  14. Fender Hot Rod Deluxe - Cracking noise when adjusting nobs
  15. Help with old Peavey amp
  16. ISO Traynor YBA2 schematic, 5Y3 rectifier
  17. high gain vacuum tubes
  18. Bell tube PA amp giving really low output.
  19. 12at7 transformed amp
  20. Need help fixing Marshall 8008 power amp blowing output transformers
  21. Low wattage power amp for preamp.
  22. my first valve amp build,
  23. 45hz bass boost on amp sounds gummed up?
  24. Fender Champ 5f1 clone squeal
  25. need help in guitar amp modification!!!!
  26. what range speaker used 2x 18watt or 2x 10 watt on 18 watts amp
  27. power resister problem
  28. Peavey Renown 400 Issues
  29. Connection for 4 booster circuits?
  30. "sloclone" HT PS filtering mod question
  31. How to replace horn in yorkville 300k?
  32. Bass/guitar tube preamp with small power stage
  33. Splitting and attenuating a balanced signal
  34. Guitar tube amp self-made
  35. Roland PA410 Powered Mixer
  36. Negative Feedback in Two Stage Preamp
  37. ElectroTone OrganMate spring reverb - mod suggestions?
  38. uStack Desktop Amp.
  39. crate_technical_support_abandonment
  40. voicing for push-pull amp without tone controls
  41. Rangemaster clone filter caps
  42. channel input resistor value straight from humbuckers?
  43. FX loop volume control
  44. Piezo stereo preamp
  45. el84 same with el84(6n14n)??????
  46. long tailed power amp class a
  47. Is it safe to change Reverb Impedances?
  48. Negative feed back squealing
  49. Humming V1 in Fender Pro Junior
  50. How to add an additional pre-amp stage to 5A3 design
  51. Head cabinet as bench chassis stand
  52. Peavey CS-800 output subs?
  53. Behringer power amps
  54. Crate TD35 fixing
  55. Crate Stealth 50 MONSTER!!!!!
  56. Fender Pro Junior Tube Set Up...
  57. speaker wiring
  58. Help with PSU for guitar amp!
  59. Improving upon the Alembic preamp
  60. OC44 Yellow Jacket Pinout
  61. single-ended parafeed guitar amp
  62. Fender Frontman 65r
  63. Switchable Cathode Bypass Capacitor for a Tube amp
  64. SWR Workingman's Bass
  65. Finished AX84 Hi-Octane
  66. Blencowe's bootstrapped DCCF cap value.
  67. swr headhead amp fan always on
  68. Rack preamplifier for acoustic guitar
  69. Cleaning carbon deposits from PCB
  70. ENGL Classic 50 2x12 spkr jack part number
  71. Anyone opened a Tom Scholz Power Soak before?
  72. PLEASE HELP! Distortion Pedal problem!
  73. Voltage Regulation (LDR Related)
  74. Grid choke
  75. Diy power amplifier has poping noise in one channel
  76. 6an8 substitution for Sunn amplifier
  77. 1x12 Guitar Speaker Cabinet Recommendation Please
  78. LM1876 arduino mute
  79. String noise/squeek
  80. Low-end cab for distorted guitar
  81. best power amp for 14-15k
  82. Speaker question
  83. Donor Amps for Guitar Amps
  84. Questions about Champ mods, NF loop and more
  85. Questions about Champ mods, NF loop and more
  86. Fender Champion 110 Problem
  87. Want to make small inductor for tone circuit
  88. Odd "charging" noise in guitar preamp
  89. Klon Clone pedal help
  90. Gibson Goldtone amp GA-30 RVS (stereo)
  91. Fender Tweed Deluxe 5E3 build
  92. Understanding the Music Man Stingray 2-band preamp
  93. 12ax7 power transformer
  94. DIY Eminence 1x15 Bass Guitar Cabinet
  95. New big amp project
  96. maggie 185 to stereo guitar amp?
  97. Hybrid amp design
  98. Class switchable amplifiers
  99. Marshall AVT 20 Loud Humming
  100. relay switch wiring
  101. Running up tube heads
  102. Fender FM212R Problems
  103. Speaker Box issues
  104. Typical power for tubes
  105. My new build
  106. guitar amplifier
  107. EL509 SE
  108. adding a fxloop to a guitar amp
  109. Squealing Amp - Dodgy Service Job?
  110. Replacement Marshall Pots
  111. Guitar effects using PIC
  112. power supply
  113. advice: 6L6 hextet for SUper Twin head for bass guitar
  114. Filament transformer secondary center tap at cathode level
  115. Project: Simple bass guitar headphone monitor mixer
  116. Epiphone Valve Issues
  117. musing on guitar amp power supply filters
  118. Peavey KB300 combo keyboard amp repair
  119. experimental ganged pots on preamp
  120. Help to mod guitar pedal for bass guitar
  121. 48v Phantom Power Supply Questions
  122. Auto capacitor "drain" fixture
  123. Bass preamp: non-inverting an inverting tone stack (opamp)
  124. UK : Fender Frontman 15R 8" 8 ohm 25W speaker
  125. Vox ac30 HUM B-2
  126. Which Brand Electrolytic Caps for Fender AB763?
  127. Reverb for project valve amp
  128. Need opinion on Simple mods to Trace Elliot 715 Bass combo
  129. Matchless Hotbox - troubleshooting
  130. Marshall 1959SLP build - Your opinion?
  131. Multi Active Band-Pass Filter Equalizer (Guitar Pedal)
  132. New cab build
  133. Weber tremolo kit
  134. got a 3rd head...
  135. Amplifier for violin
  136. Making a pedal with things I found
  137. Home-made Tannerin or Ribbon Controller
  138. Crossover to protect speakers?
  139. Expensive transformer for bass DI?
  140. Problem with tube amplifier
  141. 50's Bogen DB10 need to reduce gain -Negative feedback?
  142. Notes- Line6 HD147 guitar amp power section
  143. Tone control preamp
  144. guitar effects wiring
  145. 1966 Super reverb problem child
  146. MESA STRATEGY BIAS MOD
  147. Voltage between chassis ground and earth ground
  148. 12FQ8 Guitar amp questions
  149. Plate current and red plate problem
  150. Roland Jazz Chorus 77
  151. Fender DRRI tone
  152. Weber 6m45p high pitch squeal
  153. Marshall G100R CD
  154. Dean Markley rm-80-dr
  155. Possible Bias issue??
  156. gallien-krueger MB150s 120v to 230v conversion?
  157. Separate outputs for ElectroHarmonics - 2880
  158. 4x10 bass stack
  159. ISO: Guitar-Synth DIY Project Help.
  160. SS Vintager has dwindled volume
  161. homebrew 18 watt problem
  162. Silvertone 1482 Fuse Troubleshooter help
  163. 1st filter with GZ34, is 100uf to big
  164. Marshall avt20 problem
  165. Fender Ultimate Chorus noise at power off
  166. [DIY pedal] Replace 12AU7 with 9AU7 ??
  167. Trace Elliot AH300-7 power issues Help
  168. Peavey CS800X Power Transistors
  169. OT Impedance
  170. Tweed Tone Control Simulation
  171. Surviving the Crate Stealth
  172. Post your Horror stories of getting lit up by Filter Caps anyone?
  173. Laney LV100 with Celestion or HH
  174. Reverse diodes on guitar amp output pentodes
  175. GE black-plate 6V6GT Test
  176. Help needed on a DIY guitar amp
  177. Active Bandpass Filter Equalizer (Guitar Pedal)
  178. MSGEQ7 without micro controller?
  179. Vibrato/Tremolo
  180. effects loop, harp amp
  181. Crate Vintage Club 50 Problems
  182. Crate Stealth 50w Kicking ***
  183. Please Help me chose the right speaker
  184. Reverb hum
  185. ID E83CC Tube
  186. Instrument Keyboad audio Fault?
  187. Basic Question
  188. I have a design decision to make - mini guitar amps
  189. picked up an old Fender amp
  190. cool stuff
  191. DIY multi champ amp
  192. 5E3 Volume Tone mod
  193. Shunt regulator B+ in SE Valve Jr.
  194. DIY Stompbox (Foot Bass Drum)
  195. Expert needed: Framus Head NOISE ISSUE
  196. putting an amp and speaker inside an acoustic bass
  197. Anyone have experience with transformers for a 6p30b-r PP Amp?
  198. DIY 50W Plexi Preamp Problem
  199. How to replace a power cord on a tube amp.
  200. strauss SVCL30 AMP faults?
  201. Class B amp for Heavy Metal guitar
  202. Guitar Amps Output Transformer specs
  203. Yamaha TRB preamp low output - HELP
  204. Power source "adaptation" on guitar amp
  205. Options for guitar amp
  206. same transformer, different voltages?
  207. Issue with '72 Twin Reverb.
  208. My Trainwreck pictures
  209. Ampmaker.com
  210. schematic or build thread for guitar amp from hammond parts
  211. JFETs as switch in 2-channel tube amp
  212. Class B guitar amplifier questions
  213. snake oil and bypass caps
  214. Need help identifying this unit
  215. Marshall G80R-CD; Some sound, Speaker is fine
  216. No sound....
  217. guitar amp transformer upgrades
  218. Bassman 50 red plate and bias
  219. whats a good recording interface WITHOUT amp modeling
  220. Behringer Eurodesk MX9000 mixer humming
  221. Pepco Amp
  222. Ampeg J-12T 60's amp issues? Help!
  223. Stereo Mic Preamp (with Phantom Power
  224. DIY iRig
  225. Looking for a schematic.. Crate BV50H
  226. EQ Design
  227. Vox V941 active FX Loop - I'm looking for schematics
  228. AC polarity
  229. Grounded grid stage in guitar amp
  230. Madamp g2 to reverb unit
  231. Building power electronics into a wooden cabinet?
  232. TUBES: where do you buy yours?
  233. Adding LED & DC Jack to fuzz circuit
  234. Silvertone Organ Amp
  235. German? amp help please
  236. Guitar amp is 60W or 100W?
  237. Which is the most powerful Class D amplifier?
  238. Preamp for ceramic piezo pickup
  239. DC Pilot Light energy source - cathode resistor?
  240. Marshall 50W ECC808 Homebrew
  241. Speaker Cab Project and Questions
  242. tremolo pot value change - consequences?
  243. How is tube distortion supposed to look like on a scope?
  244. Designed 12AT7 Long Tail Pair phase inverter - half of it doesn't work right
  245. Diy bass amp.
  246. Cajón
  247. How do I connect a microphone to an amp?
  248. Question about Noval 9 pin minature sockets
  249. Lace sensor
  250. New idea for instrument pickups

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