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  1. boost idea
  2. on/off switch pop when turned off
  3. Sony stereophonic amp (60's tube)
  4. Transformer from Marshall 3530
  5. baldwin model 45 c-2 amp
  6. Single tube guitar amp, adding a transformer to a formerly transformer-less design
  7. More Peavey Classic amps
  8. Echoplex restoration
  9. Background noise on guitar amp TD35
  10. SVT project
  11. Gibson amp project
  12. Fender Hot Rod Deluxe - Cracking noise when adjusting nobs
  13. ISO Traynor YBA2 schematic, 5Y3 rectifier
  14. high gain vacuum tubes
  15. Bell tube PA amp giving really low output.
  16. 12at7 transformed amp
  17. Low wattage power amp for preamp.
  18. my first valve amp build,
  19. 45hz bass boost on amp sounds gummed up?
  20. Fender Champ 5f1 clone squeal
  21. need help in guitar amp modification!!!!
  22. power resister problem
  23. Peavey Renown 400 Issues
  24. Connection for 4 booster circuits?
  25. "sloclone" HT PS filtering mod question
  26. How to replace horn in yorkville 300k?
  27. Bass/guitar tube preamp with small power stage
  28. Splitting and attenuating a balanced signal
  29. Guitar tube amp self-made
  30. Roland PA410 Powered Mixer
  31. Negative Feedback in Two Stage Preamp
  32. uStack Desktop Amp.
  33. crate_technical_support_abandonment
  34. voicing for push-pull amp without tone controls
  35. Rangemaster clone filter caps
  36. channel input resistor value straight from humbuckers?
  37. FX loop volume control
  38. Piezo stereo preamp
  39. el84 same with el84(6n14n)??????
  40. long tailed power amp class a
  41. Is it safe to change Reverb Impedances?
  42. Negative feed back squealing
  43. Humming V1 in Fender Pro Junior
  44. How to add an additional pre-amp stage to 5A3 design
  45. Head cabinet as bench chassis stand
  46. Crate TD35 fixing
  47. Crate Stealth 50 MONSTER!!!!!
  48. Fender Pro Junior Tube Set Up...
  49. speaker wiring
  50. Help with PSU for guitar amp!
  51. Improving upon the Alembic preamp
  52. OC44 Yellow Jacket Pinout
  53. single-ended parafeed guitar amp
  54. Switchable Cathode Bypass Capacitor for a Tube amp
  55. SWR Workingman's Bass
  56. Finished AX84 Hi-Octane
  57. Blencowe's bootstrapped DCCF cap value.
  58. swr headhead amp fan always on
  59. Rack preamplifier for acoustic guitar
  60. Cleaning carbon deposits from PCB
  61. ENGL Classic 50 2x12 spkr jack part number
  62. Anyone opened a Tom Scholz Power Soak before?
  63. PLEASE HELP! Distortion Pedal problem!
  64. Voltage Regulation (LDR Related)
  65. Grid choke
  66. Diy power amplifier has poping noise in one channel
  67. 6an8 substitution for Sunn amplifier
  68. 1x12 Guitar Speaker Cabinet Recommendation Please
  69. LM1876 arduino mute
  70. String noise/squeek
  71. Low-end cab for distorted guitar
  72. best power amp for 14-15k
  73. Speaker question
  74. Donor Amps for Guitar Amps
  75. Questions about Champ mods, NF loop and more
  76. Fender Champion 110 Problem
  77. Want to make small inductor for tone circuit
  78. Klon Clone pedal help
  79. Gibson Goldtone amp GA-30 RVS (stereo)
  80. Fender Tweed Deluxe 5E3 build
  81. Understanding the Music Man Stingray 2-band preamp
  82. 12ax7 power transformer
  83. DIY Eminence 1x15 Bass Guitar Cabinet
  84. New big amp project
  85. Hybrid amp design
  86. Class switchable amplifiers
  87. Marshall AVT 20 Loud Humming
  88. relay switch wiring
  89. Running up tube heads
  90. Fender FM212R Problems
  91. Speaker Box issues
  92. Typical power for tubes
  93. My new build
  94. guitar amplifier
  95. EL509 SE
  96. adding a fxloop to a guitar amp
  97. Squealing Amp - Dodgy Service Job?
  98. Guitar effects using PIC
  99. power supply
  100. advice: 6L6 hextet for SUper Twin head for bass guitar
  101. Filament transformer secondary center tap at cathode level
  102. Project: Simple bass guitar headphone monitor mixer
  103. Epiphone Valve Issues
  104. musing on guitar amp power supply filters
  105. Peavey KB300 combo keyboard amp repair
  106. experimental ganged pots on preamp
  107. Help to mod guitar pedal for bass guitar
  108. 48v Phantom Power Supply Questions
  109. Auto capacitor "drain" fixture
  110. Bass preamp: non-inverting an inverting tone stack (opamp)
  111. UK : Fender Frontman 15R 8" 8 ohm 25W speaker
  112. Vox ac30 HUM B-2
  113. Which Brand Electrolytic Caps for Fender AB763?
  114. Reverb for project valve amp
  115. Need opinion on Simple mods to Trace Elliot 715 Bass combo
  116. Matchless Hotbox - troubleshooting
  117. Marshall 1959SLP build - Your opinion?
  118. Multi Active Band-Pass Filter Equalizer (Guitar Pedal)
  119. New cab build
  120. Weber tremolo kit
  121. got a 3rd head...
  122. Amplifier for violin
  123. Making a pedal with things I found
  124. Home-made Tannerin or Ribbon Controller
  125. Crossover to protect speakers?
  126. Expensive transformer for bass DI?
  127. Problem with tube amplifier
  128. 50's Bogen DB10 need to reduce gain -Negative feedback?
  129. Notes- Line6 HD147 guitar amp power section
  130. Tone control preamp
  131. guitar effects wiring
  132. 1966 Super reverb problem child
  133. MESA STRATEGY BIAS MOD
  134. Voltage between chassis ground and earth ground
  135. 12FQ8 Guitar amp questions
  136. Plate current and red plate problem
  137. Roland Jazz Chorus 77
  138. Weber 6m45p high pitch squeal
  139. Marshall G100R CD
  140. Dean Markley rm-80-dr
  141. Possible Bias issue??
  142. Separate outputs for ElectroHarmonics - 2880
  143. 4x10 bass stack
  144. ISO: Guitar-Synth DIY Project Help.
  145. SS Vintager has dwindled volume
  146. homebrew 18 watt problem
  147. 1st filter with GZ34, is 100uf to big
  148. Marshall avt20 problem
  149. Fender Ultimate Chorus noise at power off
  150. [DIY pedal] Replace 12AU7 with 9AU7 ??
  151. Trace Elliot AH300-7 power issues Help
  152. OT Impedance
  153. Tweed Tone Control Simulation
  154. Surviving the Crate Stealth
  155. Post your Horror stories of getting lit up by Filter Caps anyone?
  156. Laney LV100 with Celestion or HH
  157. Reverse diodes on guitar amp output pentodes
  158. GE black-plate 6V6GT Test
  159. Help needed on a DIY guitar amp
  160. MSGEQ7 without micro controller?
  161. Vibrato/Tremolo
  162. effects loop, harp amp
  163. Crate Vintage Club 50 Problems
  164. Crate Stealth 50w Kicking ***
  165. Please Help me chose the right speaker
  166. Reverb hum
  167. ID E83CC Tube
  168. Instrument Keyboad audio Fault?
  169. Basic Question
  170. I have a design decision to make - mini guitar amps
  171. picked up an old Fender amp
  172. cool stuff
  173. DIY multi champ amp
  174. 5E3 Volume Tone mod
  175. Shunt regulator B+ in SE Valve Jr.
  176. DIY Stompbox (Foot Bass Drum)
  177. Expert needed: Framus Head NOISE ISSUE
  178. putting an amp and speaker inside an acoustic bass
  179. Anyone have experience with transformers for a 6p30b-r PP Amp?
  180. DIY 50W Plexi Preamp Problem
  181. How to replace a power cord on a tube amp.
  182. strauss SVCL30 AMP faults?
  183. Yamaha TRB preamp low output - HELP
  184. Power source "adaptation" on guitar amp
  185. Options for guitar amp
  186. same transformer, different voltages?
  187. Issue with '72 Twin Reverb.
  188. My Trainwreck pictures
  189. Ampmaker.com
  190. schematic or build thread for guitar amp from hammond parts
  191. JFETs as switch in 2-channel tube amp
  192. snake oil and bypass caps
  193. Need help identifying this unit
  194. Marshall G80R-CD; Some sound, Speaker is fine
  195. No sound....
  196. guitar amp transformer upgrades
  197. Bassman 50 red plate and bias
  198. whats a good recording interface WITHOUT amp modeling
  199. Behringer Eurodesk MX9000 mixer humming
  200. Pepco Amp
  201. Ampeg J-12T 60's amp issues? Help!
  202. Stereo Mic Preamp (with Phantom Power
  203. DIY iRig
  204. Looking for a schematic.. Crate BV50H
  205. EQ Design
  206. AC polarity
  207. Grounded grid stage in guitar amp
  208. Madamp g2 to reverb unit
  209. Building power electronics into a wooden cabinet?
  210. TUBES: where do you buy yours?
  211. Adding LED & DC Jack to fuzz circuit
  212. Silvertone Organ Amp
  213. German? amp help please
  214. Guitar amp is 60W or 100W?
  215. Which is the most powerful Class D amplifier?
  216. Preamp for ceramic piezo pickup
  217. DC Pilot Light energy source - cathode resistor?
  218. Marshall 50W ECC808 Homebrew
  219. Speaker Cab Project and Questions
  220. tremolo pot value change - consequences?
  221. How is tube distortion supposed to look like on a scope?
  222. Designed 12AT7 Long Tail Pair phase inverter - half of it doesn't work right
  223. Diy bass amp.
  224. Cajón
  225. How do I connect a microphone to an amp?
  226. Question about Noval 9 pin minature sockets
  227. Lace sensor
  228. New idea for instrument pickups
  229. Lace Alumitone pickups
  230. Q-tuner neodymiun magnet guitar & bass pickups
  231. tone stack buffer
  232. looking for 5 1/4" drivers that handle deep bass
  233. JTM45/50 build, B+ question
  234. .001 ceramic
  235. Tube amp fluctuating volume on moderate gain
  236. Harmony H-305 over conducting 5y3?
  237. Interior Bass Cabinet Volume
  238. Fender clone mashup help (6G3 + 6G6)
  239. Whitley PA Guitar Conversion
  240. Could the SA-310 bass cab be used for a bass and guitar cab?
  241. Bass Amp Project High Quality Transformer
  242. Guitar EL84 push-pull, tone control placement
  243. 3 band tone stack in ecl86 stage
  244. Converting a non-MIDI keyboard
  245. 48V phantom supply for mic
  246. Crate v50-112 noisy clean channel
  247. Internally Miked Accordion Project (5 x WM-61A)
  248. LM4780 Guitar Amp Question
  249. Speaker delay circut design?
  250. Anybody tried the ID series yet?

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