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  1. Marshall 1959SLP build - Your opinion?
  2. Multi Active Band-Pass Filter Equalizer (Guitar Pedal)
  3. New cab build
  4. Weber tremolo kit
  5. got a 3rd head...
  6. Amplifier for violin
  7. Making a pedal with things I found
  8. Home-made Tannerin or Ribbon Controller
  9. Crossover to protect speakers?
  10. Expensive transformer for bass DI?
  11. Problem with tube amplifier
  12. 50's Bogen DB10 need to reduce gain -Negative feedback?
  13. Notes- Line6 HD147 guitar amp power section
  14. Tone control preamp
  15. guitar effects wiring
  16. 1966 Super reverb problem child
  17. MESA STRATEGY BIAS MOD
  18. Voltage between chassis ground and earth ground
  19. 12FQ8 Guitar amp questions
  20. Plate current and red plate problem
  21. Roland Jazz Chorus 77
  22. Weber 6m45p high pitch squeal
  23. Marshall G100R CD
  24. Dean Markley rm-80-dr
  25. Possible Bias issue??
  26. Separate outputs for ElectroHarmonics - 2880
  27. 4x10 bass stack
  28. ISO: Guitar-Synth DIY Project Help.
  29. SS Vintager has dwindled volume
  30. homebrew 18 watt problem
  31. 1st filter with GZ34, is 100uf to big
  32. Marshall avt20 problem
  33. Fender Ultimate Chorus noise at power off
  34. [DIY pedal] Replace 12AU7 with 9AU7 ??
  35. Trace Elliot AH300-7 power issues Help
  36. OT Impedance
  37. Tweed Tone Control Simulation
  38. Surviving the Crate Stealth
  39. Post your Horror stories of getting lit up by Filter Caps anyone?
  40. Laney LV100 with Celestion or HH
  41. Reverse diodes on guitar amp output pentodes
  42. GE black-plate 6V6GT Test
  43. Help needed on a DIY guitar amp
  44. MSGEQ7 without micro controller?
  45. Vibrato/Tremolo
  46. effects loop, harp amp
  47. Crate Vintage Club 50 Problems
  48. Crate Stealth 50w Kicking ***
  49. Please Help me chose the right speaker
  50. Reverb hum
  51. ID E83CC Tube
  52. Instrument Keyboad audio Fault?
  53. Basic Question
  54. I have a design decision to make - mini guitar amps
  55. picked up an old Fender amp
  56. cool stuff
  57. DIY multi champ amp
  58. 5E3 Volume Tone mod
  59. Shunt regulator B+ in SE Valve Jr.
  60. DIY Stompbox (Foot Bass Drum)
  61. Expert needed: Framus Head NOISE ISSUE
  62. putting an amp and speaker inside an acoustic bass
  63. Anyone have experience with transformers for a 6p30b-r PP Amp?
  64. DIY 50W Plexi Preamp Problem
  65. How to replace a power cord on a tube amp.
  66. strauss SVCL30 AMP faults?
  67. Yamaha TRB preamp low output - HELP
  68. Power source "adaptation" on guitar amp
  69. Options for guitar amp
  70. same transformer, different voltages?
  71. Issue with '72 Twin Reverb.
  72. My Trainwreck pictures
  73. Ampmaker.com
  74. schematic or build thread for guitar amp from hammond parts
  75. JFETs as switch in 2-channel tube amp
  76. snake oil and bypass caps
  77. Need help identifying this unit
  78. Marshall G80R-CD; Some sound, Speaker is fine
  79. No sound....
  80. guitar amp transformer upgrades
  81. Bassman 50 red plate and bias
  82. whats a good recording interface WITHOUT amp modeling
  83. Behringer Eurodesk MX9000 mixer humming
  84. Pepco Amp
  85. Ampeg J-12T 60's amp issues? Help!
  86. Stereo Mic Preamp (with Phantom Power
  87. DIY iRig
  88. Looking for a schematic.. Crate BV50H
  89. EQ Design
  90. AC polarity
  91. Grounded grid stage in guitar amp
  92. Madamp g2 to reverb unit
  93. Building power electronics into a wooden cabinet?
  94. TUBES: where do you buy yours?
  95. Adding LED & DC Jack to fuzz circuit
  96. Silvertone Organ Amp
  97. German? amp help please
  98. Guitar amp is 60W or 100W?
  99. Which is the most powerful Class D amplifier?
  100. Preamp for ceramic piezo pickup
  101. DC Pilot Light energy source - cathode resistor?
  102. Marshall 50W ECC808 Homebrew
  103. Speaker Cab Project and Questions
  104. tremolo pot value change - consequences?
  105. How is tube distortion supposed to look like on a scope?
  106. Designed 12AT7 Long Tail Pair phase inverter - half of it doesn't work right
  107. Diy bass amp.
  108. Cajón
  109. How do I connect a microphone to an amp?
  110. Question about Noval 9 pin minature sockets
  111. Lace sensor
  112. New idea for instrument pickups
  113. Lace Alumitone pickups
  114. Q-tuner neodymiun magnet guitar & bass pickups
  115. tone stack buffer
  116. looking for 5 1/4" drivers that handle deep bass
  117. JTM45/50 build, B+ question
  118. .001 ceramic
  119. Tube amp fluctuating volume on moderate gain
  120. Harmony H-305 over conducting 5y3?
  121. Interior Bass Cabinet Volume
  122. Fender clone mashup help (6G3 + 6G6)
  123. Whitley PA Guitar Conversion
  124. Could the SA-310 bass cab be used for a bass and guitar cab?
  125. Bass Amp Project High Quality Transformer
  126. Guitar EL84 push-pull, tone control placement
  127. 3 band tone stack in ecl86 stage
  128. Converting a non-MIDI keyboard
  129. 48V phantom supply for mic
  130. Crate v50-112 noisy clean channel
  131. Internally Miked Accordion Project (5 x WM-61A)
  132. LM4780 Guitar Amp Question
  133. Speaker delay circut design?
  134. Anybody tried the ID series yet?
  135. Building a spring reverb unit
  136. brief sound when switching off amp
  137. Curing hum in Mullard 3+3 valve amplifiers
  138. Build guitar amp with 2 6L6 or 4 6V6?
  139. Installing a potentiometer/volume control
  140. DIY 8 Watt Portable Guitar Amp
  141. headphone input addition to tube amp
  142. Hammond AO-29 conversion
  143. 8 Watt SE Plexi Style Tube Amp Made from an Akai Roberts Reel Monoblock
  144. Another DIY tube based fuzz
  145. St. George Amplifier
  146. Attenuator for tube amp
  147. front end channel blend - have you tried it?
  148. Fender Twin Troubleshooting Help Please - Jedi Master Needed!
  149. Grounding back to back transformers
  150. 5f1 transformers
  151. MARSHALL 9200
  152. schematic for yamaha hundred 212 guitar amp
  153. Marshall 275 valve amp transformer
  154. Blackstar Amps mains connection?
  155. How to improve marshall guitar amp with harsh overdrive?
  156. Need Help with a 1996 SWR Workingman's 12 Combo Amp
  157. PAiA stack-in-a-box guitar preamp kit
  158. 4 guitar amps 1 guitar cabinet, I need help
  159. DIY Guitar Amp Oscillation
  160. 6BM8 guitar amp - SE or PP?
  161. New to tubes, SE guitar amp
  162. schematic needed, cascading gain stages for m@rsh@ll copy
  163. current issue
  164. JCM800 / 2204 style build hum / buzz plea for help
  165. Behringer BX3000t Scematic or info
  166. WEM Cpicat with 3 12AX7's (no 6BR8)
  167. fender acoustasonic 80w
  168. Why does the Tone Bender circuit even work at all?
  169. Loud amplifier hum
  170. eq input and output buffer
  171. LMB 3 b***
  172. Fender Musicmaster melting tube tube sockets?
  173. 5Y3GT rectifier difficulty
  174. Heater regulator for guitar amp?
  175. trainwreck speaker baffle reduction
  176. Help needed identifying 1962 marshall bluesbreaker (reissue) power tx connections
  177. power transformer wiring help
  178. AVT50 Repair
  179. speaker attenuator
  180. odd-ball PI circuit identification, and headroom question
  181. New amp a success, then dead.
  182. CLAVIOLNES
  183. little help here
  184. Do guitar amps tend to self-oscillate?
  185. Mercury magnetics FBfd-om in matchless spitfire
  186. line-out on guitar amp
  187. high distortion pedal
  188. EL34 load line - sanity check
  189. Requesting schematics for Markbass little mark I
  190. Tube Amp Dummy Load questions
  191. Onboard bass preamp troubleshooting
  192. Rickenbacker RA-600
  193. [Help] Modify To Overdrive
  194. Maximum power of Blackstar ID series?
  195. guitar amp baffle board
  196. Weber bias calculator
  197. Which Neo bass units sound good?
  198. Phonic Roadgear 260 Schematic wanted
  199. DIY ribbon microphone preamp question
  200. 2Ж27Л - 4Ж1Л - 12Ж1Л - 4П1Л - How to use ??
  201. preamp to handle peaks
  202. 5150 II tube head with hot bias
  203. Output transformer and shock from the speaker jack
  204. vertical line cabinet design for bass guitar
  205. Making my own Turret setting tool. What bevel?
  206. Single ended tube amp Lead Dressing
  207. Fender sidekick reverb 30 noise problem
  208. Which transformer wires are which?
  209. Amplifier grounding
  210. Can I wire speakers like this?
  211. Power tube squeeling on standby?!
  212. High Gain Guitar Preamp
  213. 18 watt toroidal transformer questions
  214. Troubles with EL84 class A output stage
  215. Help with '65 Bassman!!!
  216. Matchless Hotbox Layout problems
  217. push-pull El34 bias question
  218. Recommendations for single ended guitar amp build
  219. Which transformer for small practice tube SE amp
  220. Champ grounding hum
  221. Buzzing in preamp circuit?
  222. Standel SB15 Bass Amp
  223. Mesa Boogie Subway Rocket.
  224. What value is this Capacitor?
  225. DIY Project - preamp-gain causes noise
  226. Building a Guitar Amp Cabinet
  227. Need schematic for a 20W bass amp
  228. simple but quality
  229. Fender twin reverb chassis dimensions
  230. Basic Guitar Transistor Amplifier
  231. Need help! Hammond L-100 -->2W_PP ax84
  232. Enclosure for Celestion G12M Greenback
  233. Acoustic guitar amp replacement speaker
  234. Marshall Valvestate 8080 and Laney tf200 Power transformers missing!
  235. 5f1 negative feedback resistor burnout
  236. Amp for talkbox
  237. raising filament voltages above cathode 6v6 please check.
  238. 6L6 current-voltage problem
  239. Kustom Arrow 16 schem
  240. Fender Rumble 60 - what mods to clean this up?
  241. '98 Sunn/Fender 300 watt bass amp - 10A fuse
  242. Topless Neck Guitar - nice?
  243. Crate VC30 / Clean channel cuts out intermittently...
  244. Making a Midi keyboard
  245. Guitar Amp
  246. Reverb fart on scope
  247. Engl Fireball issues
  248. Marshall Valvestate I preamp drop out problem?
  249. Difference between SED C and Svetlana C ?
  250. accodion microphone diagram

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