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  1. Possible Bias issue??
  2. gallien-krueger MB150s 120v to 230v conversion?
  3. Separate outputs for ElectroHarmonics - 2880
  4. 4x10 bass stack
  5. ISO: Guitar-Synth DIY Project Help.
  6. SS Vintager has dwindled volume
  7. homebrew 18 watt problem
  8. Silvertone 1482 Fuse Troubleshooter help
  9. 1st filter with GZ34, is 100uf to big
  10. Marshall avt20 problem
  11. Fender Ultimate Chorus noise at power off
  12. [DIY pedal] Replace 12AU7 with 9AU7 ??
  13. Trace Elliot AH300-7 power issues Help
  14. Peavey CS800X Power Transistors
  15. OT Impedance
  16. Tweed Tone Control Simulation
  17. Surviving the Crate Stealth
  18. Post your Horror stories of getting lit up by Filter Caps anyone?
  19. Laney LV100 with Celestion or HH
  20. Reverse diodes on guitar amp output pentodes
  21. GE black-plate 6V6GT Test
  22. Help needed on a DIY guitar amp
  23. Active Bandpass Filter Equalizer (Guitar Pedal)
  24. MSGEQ7 without micro controller?
  25. Vibrato/Tremolo
  26. effects loop, harp amp
  27. Crate Vintage Club 50 Problems
  28. Crate Stealth 50w Kicking ***
  29. Please Help me chose the right speaker
  30. Reverb hum
  31. ID E83CC Tube
  32. Instrument Keyboad audio Fault?
  33. Basic Question
  34. I have a design decision to make - mini guitar amps
  35. picked up an old Fender amp
  36. cool stuff
  37. DIY multi champ amp
  38. 5E3 Volume Tone mod
  39. Shunt regulator B+ in SE Valve Jr.
  40. DIY Stompbox (Foot Bass Drum)
  41. Expert needed: Framus Head NOISE ISSUE
  42. putting an amp and speaker inside an acoustic bass
  43. Anyone have experience with transformers for a 6p30b-r PP Amp?
  44. DIY 50W Plexi Preamp Problem
  45. How to replace a power cord on a tube amp.
  46. strauss SVCL30 AMP faults?
  47. Class B amp for Heavy Metal guitar
  48. Guitar Amps Output Transformer specs
  49. Yamaha TRB preamp low output - HELP
  50. Power source "adaptation" on guitar amp
  51. Options for guitar amp
  52. same transformer, different voltages?
  53. Issue with '72 Twin Reverb.
  54. My Trainwreck pictures
  55. Ampmaker.com
  56. schematic or build thread for guitar amp from hammond parts
  57. JFETs as switch in 2-channel tube amp
  58. Class B guitar amplifier questions
  59. snake oil and bypass caps
  60. Need help identifying this unit
  61. Marshall G80R-CD; Some sound, Speaker is fine
  62. No sound....
  63. guitar amp transformer upgrades
  64. Bassman 50 red plate and bias
  65. whats a good recording interface WITHOUT amp modeling
  66. Behringer Eurodesk MX9000 mixer humming
  67. Pepco Amp
  68. Ampeg J-12T 60's amp issues? Help!
  69. Stereo Mic Preamp (with Phantom Power
  70. DIY iRig
  71. Looking for a schematic.. Crate BV50H
  72. EQ Design
  73. Vox V941 active FX Loop - I'm looking for schematics
  74. AC polarity
  75. Grounded grid stage in guitar amp
  76. Madamp g2 to reverb unit
  77. Building power electronics into a wooden cabinet?
  78. TUBES: where do you buy yours?
  79. Adding LED & DC Jack to fuzz circuit
  80. Silvertone Organ Amp
  81. German? amp help please
  82. Guitar amp is 60W or 100W?
  83. Which is the most powerful Class D amplifier?
  84. Preamp for ceramic piezo pickup
  85. DC Pilot Light energy source - cathode resistor?
  86. Marshall 50W ECC808 Homebrew
  87. Speaker Cab Project and Questions
  88. tremolo pot value change - consequences?
  89. How is tube distortion supposed to look like on a scope?
  90. Designed 12AT7 Long Tail Pair phase inverter - half of it doesn't work right
  91. Diy bass amp.
  92. Cajón
  93. How do I connect a microphone to an amp?
  94. Question about Noval 9 pin minature sockets
  95. Lace sensor
  96. New idea for instrument pickups
  97. Lace Alumitone pickups
  98. Q-tuner neodymiun magnet guitar & bass pickups
  99. tone stack buffer
  100. looking for 5 1/4" drivers that handle deep bass
  101. JTM45/50 build, B+ question
  102. .001 ceramic
  103. Tube amp fluctuating volume on moderate gain
  104. Harmony H-305 over conducting 5y3?
  105. Interior Bass Cabinet Volume
  106. Fender clone mashup help (6G3 + 6G6)
  107. Whitley PA Guitar Conversion
  108. Could the SA-310 bass cab be used for a bass and guitar cab?
  109. Bass Amp Project High Quality Transformer
  110. Guitar EL84 push-pull, tone control placement
  111. Peavey CS-800 Static
  112. 3 band tone stack in ecl86 stage
  113. Converting a non-MIDI keyboard
  114. 48V phantom supply for mic
  115. Crate v50-112 noisy clean channel
  116. Internally Miked Accordion Project (5 x WM-61A)
  117. LM4780 Guitar Amp Question
  118. Speaker delay circut design?
  119. Anybody tried the ID series yet?
  120. Building a spring reverb unit
  121. brief sound when switching off amp
  122. Curing hum in Mullard 3+3 valve amplifiers
  123. Build guitar amp with 2 6L6 or 4 6V6?
  124. Installing a potentiometer/volume control
  125. DIY 8 Watt Portable Guitar Amp
  126. headphone input addition to tube amp
  127. emitter follower for onboard guitar preamp
  128. Hammond AO-29 conversion
  129. 8 Watt SE Plexi Style Tube Amp Made from an Akai Roberts Reel Monoblock
  130. Anyone owns a Dynavox VR-307 Amplifier ?
  131. On now! Jamerson's Ampeg
  132. Another DIY tube based fuzz
  133. St. George Amplifier
  134. Attenuator for tube amp
  135. front end channel blend - have you tried it?
  136. Peavey CS-800 Issues.
  137. Fender Twin Troubleshooting Help Please - Jedi Master Needed!
  138. Marshall MF350 diagnostics
  139. Grounding back to back transformers
  140. 5f1 transformers
  141. MARSHALL 9200
  142. schematic for yamaha hundred 212 guitar amp
  143. Marshall 275 valve amp transformer
  144. Blackstar Amps mains connection?
  145. How to improve marshall guitar amp with harsh overdrive?
  146. Need Help with a 1996 SWR Workingman's 12 Combo Amp
  147. PAiA stack-in-a-box guitar preamp kit
  148. 4 guitar amps 1 guitar cabinet, I need help
  149. DIY Guitar Amp Oscillation
  150. 6BM8 guitar amp - SE or PP?
  151. DIY newb bias question (100w guitar/bass amp)
  152. New to tubes, SE guitar amp
  153. schematic needed, cascading gain stages for m@rsh@ll copy
  154. current issue
  155. JCM800 / 2204 style build hum / buzz plea for help
  156. Behringer BX3000t Scematic or info
  157. WEM Cpicat with 3 12AX7's (no 6BR8)
  158. fender acoustasonic 80w
  159. Why does the Tone Bender circuit even work at all?
  160. Loud amplifier hum
  161. eq input and output buffer
  162. LMB 3 b***
  163. Fender Musicmaster melting tube tube sockets?
  164. 5Y3GT rectifier difficulty
  165. Heater regulator for guitar amp?
  166. trainwreck speaker baffle reduction
  167. Help needed identifying 1962 marshall bluesbreaker (reissue) power tx connections
  168. power transformer wiring help
  169. AVT50 Repair
  170. speaker attenuator
  171. odd-ball PI circuit identification, and headroom question
  172. New amp a success, then dead.
  173. CLAVIOLNES
  174. little help here
  175. Do guitar amps tend to self-oscillate?
  176. Mercury magnetics FBfd-om in matchless spitfire
  177. line-out on guitar amp
  178. high distortion pedal
  179. EL34 load line - sanity check
  180. Requesting schematics for Markbass little mark I
  181. peavey heritage 212
  182. Tube Amp Dummy Load questions
  183. Onboard bass preamp troubleshooting
  184. Rickenbacker RA-600
  185. [Help] Modify To Overdrive
  186. Maximum power of Blackstar ID series?
  187. guitar amp baffle board
  188. Weber bias calculator
  189. Which Neo bass units sound good?
  190. Phonic Roadgear 260 Schematic wanted
  191. DIY ribbon microphone preamp question
  192. 2Ж27Л - 4Ж1Л - 12Ж1Л - 4П1Л - How to use ??
  193. preamp to handle peaks
  194. 5150 II tube head with hot bias
  195. Output transformer and shock from the speaker jack
  196. vertical line cabinet design for bass guitar
  197. VALVEKING ROYAL8 with 6p14p-EV
  198. Making my own Turret setting tool. What bevel?
  199. Single ended tube amp Lead Dressing
  200. Fender sidekick reverb 30 noise problem
  201. Which transformer wires are which?
  202. Problem with a Peavey Classic 50
  203. Amplifier grounding
  204. Can I wire speakers like this?
  205. Power tube squeeling on standby?!
  206. High Gain Guitar Preamp
  207. 18 watt toroidal transformer questions
  208. Troubles with EL84 class A output stage
  209. Help with '65 Bassman!!!
  210. Matchless Hotbox Layout problems
  211. push-pull El34 bias question
  212. Recommendations for single ended guitar amp build
  213. Which transformer for small practice tube SE amp
  214. Champ grounding hum
  215. Buzzing in preamp circuit?
  216. Standel SB15 Bass Amp
  217. Mesa Boogie Subway Rocket.
  218. What value is this Capacitor?
  219. DIY Project - preamp-gain causes noise
  220. Static in fender stage 1600
  221. Building a Guitar Amp Cabinet
  222. Need schematic for a 20W bass amp
  223. simple but quality
  224. Fender twin reverb chassis dimensions
  225. Basic Guitar Transistor Amplifier
  226. Need help! Hammond L-100 -->2W_PP ax84
  227. Enclosure for Celestion G12M Greenback
  228. Acoustic guitar amp replacement speaker
  229. Marshall Valvestate 8080 and Laney tf200 Power transformers missing!
  230. 5f1 negative feedback resistor burnout
  231. Amp for talkbox
  232. raising filament voltages above cathode 6v6 please check.
  233. 6L6 current-voltage problem
  234. Kustom Arrow 16 schem
  235. Fender Rumble 60 - what mods to clean this up?
  236. '98 Sunn/Fender 300 watt bass amp - 10A fuse
  237. Topless Neck Guitar - nice?
  238. Crate VC30 / Clean channel cuts out intermittently...
  239. Making a Midi keyboard
  240. Ampeg B15 Heritage Clone Help
  241. 5f1 Champ grounding
  242. Guitar Amp
  243. Reverb fart on scope
  244. Engl Fireball issues
  245. Marshall Valvestate I preamp drop out problem?
  246. Difference between SED C and Svetlana C ?
  247. accodion microphone diagram
  248. Reverb stinks! Tank or circuit?
  249. plate voltage and cathode resistor for octal outputs
  250. 5c1 champ - reduce wattage?

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