View Full Version : Instruments and Amps

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

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