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  1. Pentode gain control in preamp
  2. proper speaker in 59 fender princeton
  3. bogen chb 100
  4. Peavy 130 Watt guitar amplifier Question
  5. Hybrid Bass Amp
  6. preamp for mfb speakers
  7. No Voltage drop across plate load resistor
  8. Guitar electronics question
  9. Steel pan acoustic feedback
  10. Help with reverb driver circuit
  11. A mad man's approach to attenuation
  12. SWR 240W Redhead - need schematic - blowing fuses!
  13. Save an amp from a punk band! - Troubleshoot el34 12ax7 guitar amp
  14. Attempting repair on a Korg ax5G.
  15. Gallien Krueger 800RB Hi Channel Problem
  16. Home Theater subwoofer as bass amp?
  17. Mounting valve / tube sockets directly to turretboard
  18. Specific Filter Cap Replacement - Guild Bass Amp
  19. New to Tube Amps/ Issues with Tube Amps
  20. HH Bassmachine schematic wanted
  21. Ampeg B15N 1962 vs 1968
  22. Constant hum
  23. Hot Rod Deville filter capacitors
  24. Wurlitzer 200a Hum question
  25. Toroidal transformer Q
  26. Guitar Amp Project
  27. Crate Blue Voodoo 120 Bad Pots - Can they be replaced???
  28. Peavy VB-3
  29. Fender 5E4 voltage
  30. Huntington GA 10 Input connector
  31. Ampeg SVT 3 pro- raise from the dead project
  32. Roland Mobile AC line out modification
  33. Turning old tube stuff into guitar amps
  34. 4x6GV8 proposed build
  35. trace acoustic ta100r repair help
  36. Guitar preamp, lowering output voltage
  37. New Project: BIG bass amp 4x6l6!
  38. Yamaha GA-15 Guitar Amp
  39. Opionions on analog switches vs vacrols
  40. Powered Speaker - Lo-Z Balanced Input?
  41. 5E3 Tweed Deluxe distorting problem
  42. Tube Bass Preamp
  43. Help With Harsh Distortion
  44. My handwired guitar amplifier
  45. Carr Rambler
  46. Generalmusic sk880 keyboard scematic
  47. SS Tremelo for my tube intercom guitar amp
  48. Fuse type and fuse holder?
  49. Power Scaling
  50. Lots of craziness (weird noises and osc) happening in point to point 5W EL84 Amp
  51. Trying to build this preamp
  52. Hiss noise from Fender Frontman 15G, solution
  53. Bias a triode cathode negative for more gain?
  54. D.I.Y. 100 Dollar Guitar Amp ! 6V6/6L6 PP !
  55. Skytec TEC 6950 Help
  56. Switchable class
  57. Thoughts on adding preamp to bridged NAD 3140 for bass guitar
  58. A technical triode preamp question
  59. wampler faux tape echo pedal modifications
  60. KMD GV100D Low distorted output
  61. Output transformer for express build
  62. will 6x9 speaker work with guitar amp head...
  63. Vox AC4tv - 1/4 W Circuit Clone?
  64. Building an analog circuit to replace the SS circuit in Marshall MG15dfx
  65. Thoughts about a 6111-tube guitar/harp-mike direct box
  66. EL 34 / 6L6 SE Guitar Amp Project
  67. Modded Crate VC508 - Heavy 60Hz buzz
  68. 3 oscillator drone machine noise maker
  69. Tape Echo Restoration: My first project, many questions!
  70. Old Intercom guitar amp project
  71. Peavey Windsor Presence & Resonance problem
  72. Tiny terror clon Problem
  73. Amp Bias help ? Rebuild & Tube Change !
  74. Balanced/unbalanced line receiver
  75. ok time to build another one
  76. advice on building a redbox type di
  77. LF: guitar preamp suggestions for use with soundcard
  78. Ye auld bassman (another week well spent)
  79. cathode follower current draw
  80. Cathode Follower - when is it needed?
  81. Deluxe Reverb and a 6K6
  82. FIRST AMP BUILD REVISIT
  83. Diy combo guitar amp build log
  84. BV6212 mod help
  85. RC bright boost circuit math
  86. PUTTING A TREMELO IN MY DELUXE/PRINCETON
  87. London Power sustain kit
  88. Diode Clippers - How do they work?
  89. 75 Watt Vintage Bell Amplifier - pre amp ?
  90. My old Sound City 120 project
  91. Power amp without preamp stage for bass
  92. TUBE HEATER WIRING OPTIONS
  93. Burned up "choke" resistor in old Fender Super Reverb
  94. Help with Standel 25L15 Preamp Circuit
  95. PLEASE HELP ! Hum and Squeal with tube amp kit.
  96. Fender "The Twin" - no output
  97. MASCO INTERCOM - GUITAR AMP PROJECT?
  98. Hot Glue film caps to another component (Orange Roland Cube 60)
  99. Guitar amp kits
  100. Why does a different OT soound so different?
  101. Creating a Speaker Out from Line Out?
  102. Anyone ever shaved a resistor?
  103. What Foam Should I Use ?
  104. Entirely DIY Guitar Amp Build Log
  105. Tube Amps and Ambient Temperature and Humidity
  106. Noise Fender Tweed Deluxe Clone
  107. Hum issue tube bass preamp
  108. Valve preamp for bass guitar
  109. Early Fender Non-Opto Vibrato/Tremelo Circuit
  110. MG100 HDFX no power HELP!!
  111. Marshall 9100 220V to 110V conversion
  112. Guitar Case
  113. Egnator Vengeance volume problems
  114. What would YOU do with an xtra 5v winding
  115. Happy new year
  116. '71 Fender Vibrolux Reverb - tone and vibrato issue
  117. Need a little help converting a PA amp to a guitar amp
  118. 3 STAGE PREAMP NOT BETTER THAN 2!
  119. Wanting to build a guitar power amp (SS/tube)
  120. Car amp with pro woofer?
  121. Pure DIY Guitar Amp Project Ending...
  122. Harmony tube amp hum is back
  123. Small "Vintage" Guitar Amp Build
  124. Biasing a guitar amp 12AX7 - does it even matter?
  125. AB763 Vibrato problem
  126. Fender Tone Controls
  127. Feedback on a new motion-based MIDI controller (iPhone/iPod)
  128. PREAMP PLATE VOLTAGE EFFECTS
  129. Rewiring a dual primary as a single? (Squirrel Monkey Amp)
  130. Tremelo
  131. PLAYING WITH MY DELUXE 5E3 BREADBOARD
  132. Scorched Classic 50
  133. President Bassman (jeez I hate breadboard)
  134. DIY portable musical staircase
  135. Crate G1600xl 's sound going in and out
  136. Roland HP-1 Digital Piano with noise fault
  137. 5E3 Cathodyne phase inverter balancing
  138. GX40-C+ Schematic request
  139. My breadboard 5E3 deluxe rocks!
  140. .SCH
  141. Guitar preamp x stereo boombox
  142. Output transformer for 807s?
  143. Hybrid amps
  144. Fender Studio Bass (Super Twin) Heater System Issue Advice?
  145. Mesa Triple - shorting in the(bold/spongy) switch!?
  146. cad software
  147. new harp amp
  148. Marshall AVT20 repair and mods
  149. XLR input coupling cap replacement ?
  150. EYELET BOARD COMPONENT ORIENTATION
  151. Which phase inverter for a deluxe
  152. Guitar Amp 12au6-Possible Gain Increase?
  153. balanced output on your (bass) guitar?
  154. Partridge transformers vs Hammond
  155. KMD XV100SD guitar amp
  156. Mystery SE output transformer impedence
  157. seriously thinking about building this schematic. Can you find any issues with it?
  158. mid range "passive boost" circuit ?
  159. Power cap for fuzz box
  160. Heat build up in stainless steel vs. aluminum chassis
  161. Carlsbro GR2000
  162. Fender Tweed Deluxe Tube Choices
  163. Amp issue
  164. Fender Deluxe 5C3 Schematic question?
  165. Power transformer question
  166. Is there a practical way to make power filter capacitance variable?
  167. Bass guitar to Passive PA Sub?
  168. Ampeg SVT Preamp
  169. Anyone know of a clever idea for making your own eyelet setter?
  170. Can I add a Piezo tweeter to Peavey KB100?
  171. DS1807 for guitar pot, loud buzzing
  172. BEST BETS AT THE AMP SHOW TOMORROW
  173. 1984 Peavey KB100 Amp -Only HUM
  174. Vox Pathfinder 10
  175. Potentiometer ID
  176. Amplifier Hum
  177. PSUD2 question
  178. vintage univox guitar amp/no sound whatsoever?
  179. cascade preamp stages CD4049
  180. studiomaster 1000X
  181. wurlitzer 200a electric piano hum
  182. New Member Question
  183. Need help identifying a phase inverter
  184. Long Tail Pair with Negative Feedback Problem
  185. 600 ohm to 150 T-Pad needed
  186. Organ amp conversion
  187. What could possibly be damaged by powering an amp with a bias cap lifted?
  188. Need help identifying C45 for a Fender Twin Reverb RI
  189. buzz in guitar amp. varies with volume. Anyone in Minnesota want to help?
  190. CRITIQUE MY 5F1 BUILD?
  191. Multiple driver enclosure calculations
  192. Single Ended 6L6GC Load
  193. Selmer TnB 50w SV problem with Bass Channel
  194. DIY RA-200 suggestions?
  195. Marshall 3315 Solid state attempted repair questions
  196. Scratchy rattling resonance
  197. RI deluxe reverb PS ripple
  198. Guitar Amplifier Hum Varies with Volume Knob
  199. Boss CE-1 (original Chorus Ensamble) Repair/Mod
  200. help with MIDI for pic16f1789 ???
  201. A simple piezo snare drum
  202. 5F1 BREADBOARD READY TO BUILD?
  203. Fender potentiometers nomenclature
  204. equipment penyata .
  205. add another output transformer
  206. 120W KT88 PPP bass amp progress + pics!
  207. CHAMP 5F1 BUILD VOL POT PROBLEM
  208. CHAMP 5F1 BUILD VOL POT PROBLEM
  209. Ampeg VT-22 dead OT?
  210. Please critique my first compressor design (for bass guitar)
  211. Marshall Valvestate 2000 not playing through speaker
  212. 12AU7 Cascode in tube amp?
  213. Sweet distortion
  214. Silvertone 1451 -Mystery adjustable cap
  215. 8 Ohm 2X12 Guitar Speaker cabinet - 2X4 Ohms in series or 2X16 Ohms in parallel?
  216. Guitar opamp Pre-amp input resistors
  217. Another avt150
  218. Princeton 112 Plus - Intermittent "Popping"
  219. Need Pinout Help, Silvertone Organ Amp
  220. Amp project for a newbie?
  221. Piezo Film Buffer and Amp Combo for Guitar Electronics
  222. Detuned Demystified
  223. layout: room between OT and EL34
  224. DC offset problem with TALMUS amplifier
  225. Vintage Amfiton-002 Hi-Fi amplifier for acoustic guitar
  226. help! Variable Frequency/Varible Q Boost/Cut tone circuit for tube bass amp.
  227. Ground loop hum and audio isolation trasformers
  228. TRANSFORMER TESTING RESULTS
  229. PI introducing funny problems.
  230. Hum from guitar amp
  231. MY FIRST 5F1 BREADBOARD CLONE - QUESTIONS
  232. I designed an amp- would anyone like to build it for me?
  233. High Gain Tube Preamp Hiss
  234. Introductions/18 Watt Clone
  235. Hot Cathode Follower Resistor
  236. Made Guitar preamp, suggestions on schematic
  237. Need help ID'ing my Champ PT
  238. Fishman SA220 Schematic needed...
  239. Fender Frontman 212
  240. EL84 Tone Stack
  241. Hammond PR-40 Conversion to guitar amp
  242. Gibson GA-8T tremolo fault
  243. Acoustic guitar 2-channel preamplifier schematic
  244. rauland 3075 info needed
  245. Bias Switch w/ Heater Elevation
  246. The Alesis SR16 warning
  247. Guitar Speaker Cab/ PA Mixer Amp
  248. Ukulele pickup system of piezo SBT & ECM mic
  249. Fishman Rare Earth Blend replica
  250. 6L6GC Tube Orientation

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