View Full Version : Instruments and Amps

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  1. Power-booster power amp section for champ
  2. Need Ideas of what to do with 50+ tip36 PNP transistors
  3. '65 bassman ab165 hiss
  4. Silvertone Organ amp conversion
  5. Mesa Subway Rocket burned up! Help!
  6. Palmer Drei (Parallel SE w/mismatched output tubes)
  7. Fuzz Face circuit with unusual Ge PNP transistors
  8. recycling old tech to make an amp
  9. Low voltage Marshall inspired amp for voltage challenged individuals.
  10. upgrading a cheap guitar amp
  11. First test of rebuilt bass guitar amp
  12. first build is ready for testing. need to confirm the first reading though.
  13. Guitar Level to Line Level Hi-Quality Preamp
  14. What's wrong with this chassis layout?
  15. National guitar amp (?) "Sportsman" help needed
  16. switch rating question
  17. Experience modifying Boss pedals?
  18. Building a serious bass cabinet
  19. Gut Shot of Gibson GA-5 Skylark
  20. OK champ-mod?
  21. Looking for a power transformer Hartke HA 4000
  22. DIY UniVibe
  23. simplest possible push pull 6v6 cathode bias guitar amp?
  24. op amp output ceiling ???
  25. Fs Ibanez Renometer
  26. novice tube amp (re)build
  27. Farfisa Combo - Reverb Replacement
  28. digipots in audio ccts
  29. Good 300-400w amp kit for a beginner?
  30. Tl806 - EMV12L vs Eminence DeltaProA
  31. Modular Synthesizer with Tubes
  32. Vox AC15TB power transformer
  33. opamp driver for reverb tank, single supply
  34. pencil tube mini amp?
  35. Swapping OP amps
  36. Oh NO!! Its French!!!
  37. Peavy Triumph 60 Clean Channel
  38. self-split dual triode output impedance?
  39. Easy Tube distortion for beginner. (v1 6418 tubes?)
  40. Princeton clone hums - analyze my build?
  41. For accordion players: MIDI accompaniment
  42. i have a few questions about 5f1 champ project.
  43. Guitar amplifier LTSpice simulation
  44. help identify unknown Output transformer leads?
  45. Bass guitar preamp using op-amps
  46. So your 5E3 is still too loud huh?
  47. Seeking troubleshooting advice for my first amp build.
  48. I need help with this preamp!!!
  50. 2 seperate (switchable) power stages in same amp?
  51. electric guitar/mandolin preamp and effects
  52. Different approach to Harmonic Balancer question
  53. Andy Ross music "the Pro-Verb" schematics needed
  54. Harmonic Generator / guitar amp
  55. First post from a tube noob: Found 9 tubes!
  56. Valve spacing 6 x 6550
  57. plate starvation VS output tube overdrive.
  58. Best placement for a choke, VHT tube amp.
  59. Building an electret microphone Acoustic Guitar pick up. Want to ask something.
  60. Could use a second opinion.
  61. Buffering a Cathodyne Phase Splitter with Mosfets
  62. Zobel network, tone shaping, modify it !
  63. Reverb Tank for Peavey 30?
  64. Burns Orbit Three
  65. Lo budget, good sound
  66. mismatched loads on Split load PI
  67. AVT150H Issue
  68. Op-Amp Output to High-Impedance Load?
  69. Guitar Question - Pickup Crackle
  70. Found some Sunn Transformers for 2xKT88!
  71. Is my speaker ok to use with my tube amp??
  72. Help preamp 3band
  73. Behringer V-Ampire LX210/LX1200. Schematic
  74. Tube amp problem
  75. controlling effects pedals using VACTROLS
  76. How much gain does a bass preamp need?
  77. Pentode gain control in preamp
  78. proper speaker in 59 fender princeton
  79. bogen chb 100
  80. Peavy 130 Watt guitar amplifier Question
  81. Hybrid Bass Amp
  82. preamp for mfb speakers
  83. No Voltage drop across plate load resistor
  84. Guitar electronics question
  85. Steel pan acoustic feedback
  86. Help with reverb driver circuit
  87. A mad man's approach to attenuation
  88. Guitar Pedal Design EE Senior Project
  89. SWR 240W Redhead - need schematic - blowing fuses!
  90. Save an amp from a punk band! - Troubleshoot el34 12ax7 guitar amp
  91. Attempting repair on a Korg ax5G.
  92. Gallien Krueger 800RB Hi Channel Problem
  93. Home Theater subwoofer as bass amp?
  94. Mounting valve / tube sockets directly to turretboard
  95. Specific Filter Cap Replacement - Guild Bass Amp
  96. New to Tube Amps/ Issues with Tube Amps
  97. HH Bassmachine schematic wanted
  98. Ampeg B15N 1962 vs 1968
  99. Constant hum
  100. Hot Rod Deville filter capacitors
  101. Wurlitzer 200a Hum question
  102. Toroidal transformer Q
  103. Guitar Amp Project
  104. Crate Blue Voodoo 120 Bad Pots - Can they be replaced???
  105. Peavy VB-3
  106. Fender 5E4 voltage
  107. Huntington GA 10 Input connector
  108. Ampeg SVT 3 pro- raise from the dead project
  109. Roland Mobile AC line out modification
  110. Turning old tube stuff into guitar amps
  111. 4x6GV8 proposed build
  112. trace acoustic ta100r repair help
  113. Guitar preamp, lowering output voltage
  114. New Project: BIG bass amp 4x6l6!
  115. Yamaha GA-15 Guitar Amp
  116. Opionions on analog switches vs vacrols
  117. Powered Speaker - Lo-Z Balanced Input?
  118. 5E3 Tweed Deluxe distorting problem
  119. Tube Bass Preamp
  120. Help With Harsh Distortion
  121. My handwired guitar amplifier
  122. Carr Rambler
  123. Generalmusic sk880 keyboard scematic
  124. SS Tremelo for my tube intercom guitar amp
  125. Fuse type and fuse holder?
  126. Power Scaling
  127. Lots of craziness (weird noises and osc) happening in point to point 5W EL84 Amp
  128. Trying to build this preamp
  129. Hiss noise from Fender Frontman 15G, solution
  130. Bias a triode cathode negative for more gain?
  131. D.I.Y. 100 Dollar Guitar Amp ! 6V6/6L6 PP !
  132. Skytec TEC 6950 Help
  133. Switchable class
  134. Thoughts on adding preamp to bridged NAD 3140 for bass guitar
  135. A technical triode preamp question
  136. wampler faux tape echo pedal modifications
  137. KMD GV100D Low distorted output
  138. Output transformer for express build
  139. will 6x9 speaker work with guitar amp head...
  140. Vox AC4tv - 1/4 W Circuit Clone?
  141. Building an analog circuit to replace the SS circuit in Marshall MG15dfx
  142. Thoughts about a 6111-tube guitar/harp-mike direct box
  143. EL 34 / 6L6 SE Guitar Amp Project
  144. Modded Crate VC508 - Heavy 60Hz buzz
  145. 3 oscillator drone machine noise maker
  146. Tape Echo Restoration: My first project, many questions!
  147. Old Intercom guitar amp project
  148. Peavey Windsor Presence & Resonance problem
  149. Tiny terror clon Problem
  150. Amp Bias help ? Rebuild & Tube Change !
  151. Balanced/unbalanced line receiver
  152. ok time to build another one
  153. advice on building a redbox type di
  154. LF: guitar preamp suggestions for use with soundcard
  155. Ye auld bassman (another week well spent)
  156. cathode follower current draw
  157. Cathode Follower - when is it needed?
  158. Deluxe Reverb and a 6K6
  160. Diy combo guitar amp build log
  161. BV6212 mod help
  162. RC bright boost circuit math
  164. London Power sustain kit
  165. Diode Clippers - How do they work?
  166. 75 Watt Vintage Bell Amplifier - pre amp ?
  167. My old Sound City 120 project
  168. Power amp without preamp stage for bass
  170. Burned up "choke" resistor in old Fender Super Reverb
  171. Help with Standel 25L15 Preamp Circuit
  172. PLEASE HELP ! Hum and Squeal with tube amp kit.
  173. Fender "The Twin" - no output
  175. Hot Glue film caps to another component (Orange Roland Cube 60)
  176. Guitar amp kits
  177. Why does a different OT soound so different?
  178. Creating a Speaker Out from Line Out?
  179. Anyone ever shaved a resistor?
  180. What Foam Should I Use ?
  181. Entirely DIY Guitar Amp Build Log
  182. Tube Amps and Ambient Temperature and Humidity
  183. Noise Fender Tweed Deluxe Clone
  184. Hum issue tube bass preamp
  185. Valve preamp for bass guitar
  186. Early Fender Non-Opto Vibrato/Tremelo Circuit
  187. MG100 HDFX no power HELP!!
  188. Marshall 9100 220V to 110V conversion
  189. Guitar Case
  190. Egnator Vengeance volume problems
  191. What would YOU do with an xtra 5v winding
  192. Happy new year
  193. '71 Fender Vibrolux Reverb - tone and vibrato issue
  194. Need a little help converting a PA amp to a guitar amp
  196. Wanting to build a guitar power amp (SS/tube)
  197. Car amp with pro woofer?
  198. Pure DIY Guitar Amp Project Ending...
  199. Harmony tube amp hum is back
  200. Small "Vintage" Guitar Amp Build
  201. Biasing a guitar amp 12AX7 - does it even matter?
  202. AB763 Vibrato problem
  203. Fender Tone Controls
  204. Feedback on a new motion-based MIDI controller (iPhone/iPod)
  206. Rewiring a dual primary as a single? (Squirrel Monkey Amp)
  207. Tremelo
  209. Scorched Classic 50
  210. President Bassman (jeez I hate breadboard)
  211. DIY portable musical staircase
  212. Crate G1600xl 's sound going in and out
  213. Roland HP-1 Digital Piano with noise fault
  214. 5E3 Cathodyne phase inverter balancing
  215. GX40-C+ Schematic request
  216. My breadboard 5E3 deluxe rocks!
  217. .SCH
  218. Guitar preamp x stereo boombox
  219. Output transformer for 807s?
  220. Hybrid amps
  221. Fender Studio Bass (Super Twin) Heater System Issue Advice?
  222. Mesa Triple - shorting in the(bold/spongy) switch!?
  223. cad software
  224. new harp amp
  225. Marshall AVT20 repair and mods
  226. XLR input coupling cap replacement ?
  228. Which phase inverter for a deluxe
  229. Guitar Amp 12au6-Possible Gain Increase?
  230. balanced output on your (bass) guitar?
  231. Partridge transformers vs Hammond
  232. KMD XV100SD guitar amp
  233. Mystery SE output transformer impedence
  234. seriously thinking about building this schematic. Can you find any issues with it?
  235. mid range "passive boost" circuit ?
  236. Power cap for fuzz box
  237. Heat build up in stainless steel vs. aluminum chassis
  238. Carlsbro GR2000
  239. Fender Tweed Deluxe Tube Choices
  240. Amp issue
  241. Fender Deluxe 5C3 Schematic question?
  242. Power transformer question
  243. Is there a practical way to make power filter capacitance variable?
  244. Bass guitar to Passive PA Sub?
  245. Ampeg SVT Preamp
  246. Anyone know of a clever idea for making your own eyelet setter?
  247. Can I add a Piezo tweeter to Peavey KB100?
  248. DS1807 for guitar pot, loud buzzing
  250. 1984 Peavey KB100 Amp -Only HUM

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