View Full Version : Instruments and Amps

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  1. Guitar tube Pre-amp
  2. Power supply and transformer - good pair? (Hexaphonic guitar box)
  3. Mosfet driver
  4. Mullard 5-10 for guitar ?
  5. Rotary Speaker Cabinet Project
  6. General bass amp questionnaire
  7. Looking for someone to build an acoustic guitar preamp for me
  8. any tank circuit calculator?
  9. wires on an old humbucker
  10. LEM Baby Tape Echo PSU
  11. dual-tube SE
  12. 4-ohm 212 L-Pad
  13. Replacing Power Amp in Fender FM212R
  14. built a Sunn 2000S copy
  15. Heathkit A7 amp tube lineup
  16. Bass guitar wiring
  17. hybrid amp question
  18. New Bass Rig
  19. capacitor question
  20. ampeg ss70c 2x10 guitar amp
  21. Super Reverb AA270 reverb weak
  22. Uber Newb needs ideas for Cheap Bass Amp
  23. Fender PA100 - smoke -> no sound
  24. Dynacord Eminent II Biasing and tube change
  25. Hypex UcD2kOEM Bass Power Amp Project
  26. XLR Mixer Output to 1/4" Mono Amp Input
  27. Modify Bell 3030 into a stereo guitar amp project
  28. 'distortion' knob in schematic
  29. Easy HPF for bass cab?
  30. Ampex 620 For Use As Guitar Amp
  31. Amplifiers that exceed grid leak resistance
  32. Trace-Elliot Bipolar Bear
  33. Peavey PA-100 repair question
  34. Digital volume control for instrument level signal
  35. Question about Green Ringer ring modulator
  36. Home theatre subwoofer amp project
  37. Hammond M all ocal amp
  38. Discrete Compressor pedal design
  39. Need replacement speaker advice for 4X12
  40. I fried the mp3 input of my Roland Cube 40 xl
  41. Roy Blankenship at work
  42. The Mighty MKS-20 - What I've learned
  43. Crate GX 130c
  44. A Preamp doesn't work well!! (distortion)
  45. Draining a can cap
  46. Ampalanche
  47. Ace Tone Elite
  48. Power-booster power amp section for champ
  49. Need Ideas of what to do with 50+ tip36 PNP transistors
  50. '65 bassman ab165 hiss
  51. Silvertone Organ amp conversion
  52. Mesa Subway Rocket burned up! Help!
  53. Palmer Drei (Parallel SE w/mismatched output tubes)
  54. Fuzz Face circuit with unusual Ge PNP transistors
  55. recycling old tech to make an amp
  56. Low voltage Marshall inspired amp for voltage challenged individuals.
  57. upgrading a cheap guitar amp
  58. First test of rebuilt bass guitar amp
  59. first build is ready for testing. need to confirm the first reading though.
  60. Guitar Level to Line Level Hi-Quality Preamp
  61. What's wrong with this chassis layout?
  62. National guitar amp (?) "Sportsman" help needed
  63. switch rating question
  64. Experience modifying Boss pedals?
  65. Building a serious bass cabinet
  66. Gut Shot of Gibson GA-5 Skylark
  67. OK champ-mod?
  68. Looking for a power transformer Hartke HA 4000
  69. DIY UniVibe
  70. simplest possible push pull 6v6 cathode bias guitar amp?
  71. op amp output ceiling ???
  72. Fs Ibanez Renometer
  73. novice tube amp (re)build
  74. Farfisa Combo - Reverb Replacement
  75. digipots in audio ccts
  76. Good 300-400w amp kit for a beginner?
  77. Tl806 - EMV12L vs Eminence DeltaProA
  78. Modular Synthesizer with Tubes
  79. Vox AC15TB power transformer
  80. opamp driver for reverb tank, single supply
  81. pencil tube mini amp?
  82. Swapping OP amps
  83. Oh NO!! Its French!!!
  84. Peavy Triumph 60 Clean Channel
  85. self-split dual triode output impedance?
  86. Easy Tube distortion for beginner. (v1 6418 tubes?)
  87. Princeton clone hums - analyze my build?
  88. For accordion players: MIDI accompaniment
  89. i have a few questions about 5f1 champ project.
  90. Guitar amplifier LTSpice simulation
  91. help identify unknown Output transformer leads?
  92. Bass guitar preamp using op-amps
  93. So your 5E3 is still too loud huh?
  94. Seeking troubleshooting advice for my first amp build.
  95. I need help with this preamp!!!
  97. 2 seperate (switchable) power stages in same amp?
  98. electric guitar/mandolin preamp and effects
  99. Different approach to Harmonic Balancer question
  100. Andy Ross music "the Pro-Verb" schematics needed
  101. Harmonic Generator / guitar amp
  102. First post from a tube noob: Found 9 tubes!
  103. Valve spacing 6 x 6550
  104. plate starvation VS output tube overdrive.
  105. Best placement for a choke, VHT tube amp.
  106. Building an electret microphone Acoustic Guitar pick up. Want to ask something.
  107. Could use a second opinion.
  108. Buffering a Cathodyne Phase Splitter with Mosfets
  109. Zobel network, tone shaping, modify it !
  110. Reverb Tank for Peavey 30?
  111. Burns Orbit Three
  112. Lo budget, good sound
  113. mismatched loads on Split load PI
  114. AVT150H Issue
  115. Op-Amp Output to High-Impedance Load?
  116. Guitar Question - Pickup Crackle
  117. Found some Sunn Transformers for 2xKT88!
  118. Is my speaker ok to use with my tube amp??
  119. Help preamp 3band
  120. Behringer V-Ampire LX210/LX1200. Schematic
  121. Tube amp problem
  122. controlling effects pedals using VACTROLS
  123. How much gain does a bass preamp need?
  124. Pentode gain control in preamp
  125. proper speaker in 59 fender princeton
  126. bogen chb 100
  127. Peavy 130 Watt guitar amplifier Question
  128. Hybrid Bass Amp
  129. preamp for mfb speakers
  130. No Voltage drop across plate load resistor
  131. Guitar electronics question
  132. Steel pan acoustic feedback
  133. Help with reverb driver circuit
  134. A mad man's approach to attenuation
  135. Guitar Pedal Design EE Senior Project
  136. SWR 240W Redhead - need schematic - blowing fuses!
  137. Save an amp from a punk band! - Troubleshoot el34 12ax7 guitar amp
  138. Attempting repair on a Korg ax5G.
  139. Gallien Krueger 800RB Hi Channel Problem
  140. Home Theater subwoofer as bass amp?
  141. Mounting valve / tube sockets directly to turretboard
  142. Specific Filter Cap Replacement - Guild Bass Amp
  143. New to Tube Amps/ Issues with Tube Amps
  144. HH Bassmachine schematic wanted
  145. Ampeg B15N 1962 vs 1968
  146. Constant hum
  147. Hot Rod Deville filter capacitors
  148. Wurlitzer 200a Hum question
  149. Toroidal transformer Q
  150. Guitar Amp Project
  151. Crate Blue Voodoo 120 Bad Pots - Can they be replaced???
  152. Peavy VB-3
  153. Fender 5E4 voltage
  154. Huntington GA 10 Input connector
  155. Ampeg SVT 3 pro- raise from the dead project
  156. Roland Mobile AC line out modification
  157. Turning old tube stuff into guitar amps
  158. 4x6GV8 proposed build
  159. trace acoustic ta100r repair help
  160. Guitar preamp, lowering output voltage
  161. New Project: BIG bass amp 4x6l6!
  162. Yamaha GA-15 Guitar Amp
  163. Opionions on analog switches vs vacrols
  164. Powered Speaker - Lo-Z Balanced Input?
  165. 5E3 Tweed Deluxe distorting problem
  166. Tube Bass Preamp
  167. Help With Harsh Distortion
  168. My handwired guitar amplifier
  169. Carr Rambler
  170. Generalmusic sk880 keyboard scematic
  171. SS Tremelo for my tube intercom guitar amp
  172. Fuse type and fuse holder?
  173. Power Scaling
  174. Lots of craziness (weird noises and osc) happening in point to point 5W EL84 Amp
  175. Trying to build this preamp
  176. Hiss noise from Fender Frontman 15G, solution
  177. Bias a triode cathode negative for more gain?
  178. D.I.Y. 100 Dollar Guitar Amp ! 6V6/6L6 PP !
  179. Skytec TEC 6950 Help
  180. Switchable class
  181. Thoughts on adding preamp to bridged NAD 3140 for bass guitar
  182. A technical triode preamp question
  183. wampler faux tape echo pedal modifications
  184. KMD GV100D Low distorted output
  185. Output transformer for express build
  186. will 6x9 speaker work with guitar amp head...
  187. Vox AC4tv - 1/4 W Circuit Clone?
  188. Building an analog circuit to replace the SS circuit in Marshall MG15dfx
  189. Thoughts about a 6111-tube guitar/harp-mike direct box
  190. EL 34 / 6L6 SE Guitar Amp Project
  191. Modded Crate VC508 - Heavy 60Hz buzz
  192. 3 oscillator drone machine noise maker
  193. Tape Echo Restoration: My first project, many questions!
  194. Old Intercom guitar amp project
  195. Peavey Windsor Presence & Resonance problem
  196. Tiny terror clon Problem
  197. Amp Bias help ? Rebuild & Tube Change !
  198. Balanced/unbalanced line receiver
  199. ok time to build another one
  200. advice on building a redbox type di
  201. LF: guitar preamp suggestions for use with soundcard
  202. Ye auld bassman (another week well spent)
  203. cathode follower current draw
  204. Cathode Follower - when is it needed?
  205. Deluxe Reverb and a 6K6
  207. Diy combo guitar amp build log
  208. BV6212 mod help
  209. RC bright boost circuit math
  211. London Power sustain kit
  212. Diode Clippers - How do they work?
  213. 75 Watt Vintage Bell Amplifier - pre amp ?
  214. My old Sound City 120 project
  215. Power amp without preamp stage for bass
  217. Burned up "choke" resistor in old Fender Super Reverb
  218. Help with Standel 25L15 Preamp Circuit
  219. PLEASE HELP ! Hum and Squeal with tube amp kit.
  220. Fender "The Twin" - no output
  222. Hot Glue film caps to another component (Orange Roland Cube 60)
  223. Guitar amp kits
  224. Why does a different OT soound so different?
  225. Creating a Speaker Out from Line Out?
  226. Anyone ever shaved a resistor?
  227. What Foam Should I Use ?
  228. Entirely DIY Guitar Amp Build Log
  229. Tube Amps and Ambient Temperature and Humidity
  230. Noise Fender Tweed Deluxe Clone
  231. Hum issue tube bass preamp
  232. Valve preamp for bass guitar
  233. Early Fender Non-Opto Vibrato/Tremelo Circuit
  234. MG100 HDFX no power HELP!!
  235. Marshall 9100 220V to 110V conversion
  236. Guitar Case
  237. Egnator Vengeance volume problems
  238. What would YOU do with an xtra 5v winding
  239. Happy new year
  240. '71 Fender Vibrolux Reverb - tone and vibrato issue
  241. Need a little help converting a PA amp to a guitar amp
  243. Wanting to build a guitar power amp (SS/tube)
  244. Car amp with pro woofer?
  245. Pure DIY Guitar Amp Project Ending...
  246. Harmony tube amp hum is back
  247. Small "Vintage" Guitar Amp Build
  248. Biasing a guitar amp 12AX7 - does it even matter?
  249. AB763 Vibrato problem
  250. Fender Tone Controls

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