View Full Version : Instruments and Amps

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  1. Mesa Subway Rocket burned up! Help!
  2. Palmer Drei (Parallel SE w/mismatched output tubes)
  3. Fuzz Face circuit with unusual Ge PNP transistors
  4. recycling old tech to make an amp
  5. Low voltage Marshall inspired amp for voltage challenged individuals.
  6. upgrading a cheap guitar amp
  7. First test of rebuilt bass guitar amp
  8. first build is ready for testing. need to confirm the first reading though.
  9. Guitar Level to Line Level Hi-Quality Preamp
  10. What's wrong with this chassis layout?
  11. National guitar amp (?) "Sportsman" help needed
  12. switch rating question
  13. Experience modifying Boss pedals?
  14. Building a serious bass cabinet
  15. Gut Shot of Gibson GA-5 Skylark
  16. OK champ-mod?
  17. Looking for a power transformer Hartke HA 4000
  18. DIY UniVibe
  19. simplest possible push pull 6v6 cathode bias guitar amp?
  20. op amp output ceiling ???
  21. Fs Ibanez Renometer
  22. novice tube amp (re)build
  23. Farfisa Combo - Reverb Replacement
  24. digipots in audio ccts
  25. Good 300-400w amp kit for a beginner?
  26. Tl806 - EMV12L vs Eminence DeltaProA
  27. Modular Synthesizer with Tubes
  28. Vox AC15TB power transformer
  29. opamp driver for reverb tank, single supply
  30. pencil tube mini amp?
  31. Swapping OP amps
  32. Oh NO!! Its French!!!
  33. Peavy Triumph 60 Clean Channel
  34. self-split dual triode output impedance?
  35. Easy Tube distortion for beginner. (v1 6418 tubes?)
  36. Princeton clone hums - analyze my build?
  37. For accordion players: MIDI accompaniment
  38. i have a few questions about 5f1 champ project.
  39. Guitar amplifier LTSpice simulation
  40. help identify unknown Output transformer leads?
  41. Bass guitar preamp using op-amps
  42. So your 5E3 is still too loud huh?
  43. Seeking troubleshooting advice for my first amp build.
  44. I need help with this preamp!!!
  46. 2 seperate (switchable) power stages in same amp?
  47. electric guitar/mandolin preamp and effects
  48. Different approach to Harmonic Balancer question
  49. Andy Ross music "the Pro-Verb" schematics needed
  50. Harmonic Generator / guitar amp
  51. First post from a tube noob: Found 9 tubes!
  52. Valve spacing 6 x 6550
  53. plate starvation VS output tube overdrive.
  54. Best placement for a choke, VHT tube amp.
  55. Building an electret microphone Acoustic Guitar pick up. Want to ask something.
  56. Could use a second opinion.
  57. Buffering a Cathodyne Phase Splitter with Mosfets
  58. Zobel network, tone shaping, modify it !
  59. Reverb Tank for Peavey 30?
  60. Burns Orbit Three
  61. Lo budget, good sound
  62. mismatched loads on Split load PI
  63. AVT150H Issue
  64. Op-Amp Output to High-Impedance Load?
  65. Guitar Question - Pickup Crackle
  66. Found some Sunn Transformers for 2xKT88!
  67. Is my speaker ok to use with my tube amp??
  68. Help preamp 3band
  69. Behringer V-Ampire LX210/LX1200. Schematic
  70. Tube amp problem
  71. controlling effects pedals using VACTROLS
  72. How much gain does a bass preamp need?
  73. Pentode gain control in preamp
  74. proper speaker in 59 fender princeton
  75. bogen chb 100
  76. Peavy 130 Watt guitar amplifier Question
  77. Hybrid Bass Amp
  78. preamp for mfb speakers
  79. No Voltage drop across plate load resistor
  80. Guitar electronics question
  81. Steel pan acoustic feedback
  82. Help with reverb driver circuit
  83. A mad man's approach to attenuation
  84. Guitar Pedal Design EE Senior Project
  85. SWR 240W Redhead - need schematic - blowing fuses!
  86. Save an amp from a punk band! - Troubleshoot el34 12ax7 guitar amp
  87. Attempting repair on a Korg ax5G.
  88. Gallien Krueger 800RB Hi Channel Problem
  89. Home Theater subwoofer as bass amp?
  90. Mounting valve / tube sockets directly to turretboard
  91. Specific Filter Cap Replacement - Guild Bass Amp
  92. New to Tube Amps/ Issues with Tube Amps
  93. HH Bassmachine schematic wanted
  94. Ampeg B15N 1962 vs 1968
  95. Constant hum
  96. Hot Rod Deville filter capacitors
  97. Wurlitzer 200a Hum question
  98. Toroidal transformer Q
  99. Guitar Amp Project
  100. Crate Blue Voodoo 120 Bad Pots - Can they be replaced???
  101. Peavy VB-3
  102. Fender 5E4 voltage
  103. Huntington GA 10 Input connector
  104. Ampeg SVT 3 pro- raise from the dead project
  105. Roland Mobile AC line out modification
  106. Turning old tube stuff into guitar amps
  107. 4x6GV8 proposed build
  108. trace acoustic ta100r repair help
  109. Guitar preamp, lowering output voltage
  110. New Project: BIG bass amp 4x6l6!
  111. Yamaha GA-15 Guitar Amp
  112. Opionions on analog switches vs vacrols
  113. Powered Speaker - Lo-Z Balanced Input?
  114. 5E3 Tweed Deluxe distorting problem
  115. Tube Bass Preamp
  116. Help With Harsh Distortion
  117. My handwired guitar amplifier
  118. Carr Rambler
  119. Generalmusic sk880 keyboard scematic
  120. SS Tremelo for my tube intercom guitar amp
  121. Fuse type and fuse holder?
  122. Power Scaling
  123. Lots of craziness (weird noises and osc) happening in point to point 5W EL84 Amp
  124. Trying to build this preamp
  125. Hiss noise from Fender Frontman 15G, solution
  126. Bias a triode cathode negative for more gain?
  127. D.I.Y. 100 Dollar Guitar Amp ! 6V6/6L6 PP !
  128. Skytec TEC 6950 Help
  129. Switchable class
  130. Thoughts on adding preamp to bridged NAD 3140 for bass guitar
  131. A technical triode preamp question
  132. wampler faux tape echo pedal modifications
  133. KMD GV100D Low distorted output
  134. Output transformer for express build
  135. will 6x9 speaker work with guitar amp head...
  136. Vox AC4tv - 1/4 W Circuit Clone?
  137. Building an analog circuit to replace the SS circuit in Marshall MG15dfx
  138. Thoughts about a 6111-tube guitar/harp-mike direct box
  139. EL 34 / 6L6 SE Guitar Amp Project
  140. Modded Crate VC508 - Heavy 60Hz buzz
  141. 3 oscillator drone machine noise maker
  142. Tape Echo Restoration: My first project, many questions!
  143. Old Intercom guitar amp project
  144. Peavey Windsor Presence & Resonance problem
  145. Tiny terror clon Problem
  146. Amp Bias help ? Rebuild & Tube Change !
  147. Balanced/unbalanced line receiver
  148. ok time to build another one
  149. advice on building a redbox type di
  150. LF: guitar preamp suggestions for use with soundcard
  151. Ye auld bassman (another week well spent)
  152. cathode follower current draw
  153. Cathode Follower - when is it needed?
  154. Deluxe Reverb and a 6K6
  156. Diy combo guitar amp build log
  157. BV6212 mod help
  158. RC bright boost circuit math
  160. London Power sustain kit
  161. Diode Clippers - How do they work?
  162. 75 Watt Vintage Bell Amplifier - pre amp ?
  163. My old Sound City 120 project
  164. Power amp without preamp stage for bass
  166. Burned up "choke" resistor in old Fender Super Reverb
  167. Help with Standel 25L15 Preamp Circuit
  168. PLEASE HELP ! Hum and Squeal with tube amp kit.
  169. Fender "The Twin" - no output
  171. Hot Glue film caps to another component (Orange Roland Cube 60)
  172. Guitar amp kits
  173. Why does a different OT soound so different?
  174. Creating a Speaker Out from Line Out?
  175. Anyone ever shaved a resistor?
  176. What Foam Should I Use ?
  177. Entirely DIY Guitar Amp Build Log
  178. Tube Amps and Ambient Temperature and Humidity
  179. Noise Fender Tweed Deluxe Clone
  180. Hum issue tube bass preamp
  181. Valve preamp for bass guitar
  182. Early Fender Non-Opto Vibrato/Tremelo Circuit
  183. MG100 HDFX no power HELP!!
  184. Marshall 9100 220V to 110V conversion
  185. Guitar Case
  186. Egnator Vengeance volume problems
  187. What would YOU do with an xtra 5v winding
  188. Happy new year
  189. '71 Fender Vibrolux Reverb - tone and vibrato issue
  190. Need a little help converting a PA amp to a guitar amp
  192. Wanting to build a guitar power amp (SS/tube)
  193. Car amp with pro woofer?
  194. Pure DIY Guitar Amp Project Ending...
  195. Harmony tube amp hum is back
  196. Small "Vintage" Guitar Amp Build
  197. Biasing a guitar amp 12AX7 - does it even matter?
  198. AB763 Vibrato problem
  199. Fender Tone Controls
  200. Feedback on a new motion-based MIDI controller (iPhone/iPod)
  202. Rewiring a dual primary as a single? (Squirrel Monkey Amp)
  203. Tremelo
  205. Scorched Classic 50
  206. President Bassman (jeez I hate breadboard)
  207. DIY portable musical staircase
  208. Crate G1600xl 's sound going in and out
  209. Roland HP-1 Digital Piano with noise fault
  210. 5E3 Cathodyne phase inverter balancing
  211. GX40-C+ Schematic request
  212. My breadboard 5E3 deluxe rocks!
  213. .SCH
  214. Guitar preamp x stereo boombox
  215. Output transformer for 807s?
  216. Hybrid amps
  217. Fender Studio Bass (Super Twin) Heater System Issue Advice?
  218. Mesa Triple - shorting in the(bold/spongy) switch!?
  219. cad software
  220. new harp amp
  221. Marshall AVT20 repair and mods
  222. XLR input coupling cap replacement ?
  224. Which phase inverter for a deluxe
  225. Guitar Amp 12au6-Possible Gain Increase?
  226. balanced output on your (bass) guitar?
  227. Partridge transformers vs Hammond
  228. KMD XV100SD guitar amp
  229. Mystery SE output transformer impedence
  230. seriously thinking about building this schematic. Can you find any issues with it?
  231. mid range "passive boost" circuit ?
  232. Power cap for fuzz box
  233. Heat build up in stainless steel vs. aluminum chassis
  234. Carlsbro GR2000
  235. Fender Tweed Deluxe Tube Choices
  236. Amp issue
  237. Fender Deluxe 5C3 Schematic question?
  238. Power transformer question
  239. Is there a practical way to make power filter capacitance variable?
  240. Bass guitar to Passive PA Sub?
  241. Ampeg SVT Preamp
  242. Anyone know of a clever idea for making your own eyelet setter?
  243. Can I add a Piezo tweeter to Peavey KB100?
  244. DS1807 for guitar pot, loud buzzing
  246. 1984 Peavey KB100 Amp -Only HUM
  247. Vox Pathfinder 10
  248. Potentiometer ID
  249. Amplifier Hum
  250. PSUD2 question

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