View Full Version : Instruments and Amps

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  1. Reverb replacement
  2. Guitar headphone amp with cab sim
  3. Resistors Chained up/Parallel with OPT Primaries
  4. help improving cheap QFX wireless mic
  5. Modding an old practice amp - switches, pots etc
  6. Stumped! 5F11 circuit owning me.
  7. Need a catch-all pin 1 solution
  8. Vermona Synthesizer troubleshooting
  9. 12AX7 Distortion - high grid voltage?
  10. Peavey XD234 Required
  11. Replacing 3 Pin Rhodes Capacitors
  12. 6080 DC coupled guitar amp
  13. Need Help with a SWR Workingman's 12 Combo Amp
  14. Removing a humbucker increases noise?
  15. Guitar Speaker Chat
  16. I Warped Back to the 80s' hahaha
  17. Amplifying an electro acoustic guitar
  18. 6080 cascade guitar amp
  19. Hum immediate when powering on
  20. stomp box with low impedance output
  21. BBE 362 NR Sonic Maximizer
  22. How do I limit tube supply voltage in the event B+ rises a little?
  23. Power output from a quad of 6V6?
  24. Missing reverb tank
  25. Preamp stage is going very asymmetrical. Why?
  26. Using mic pre for bass?
  27. Marshall 2210 amp repair
  28. High voltage Ultra-Linear
  29. non-electronic question about stiffening an SG clone
  30. DIY Spring Reverb circuit for old mixer setup
  31. Preparing my first low power guitar amp build.
  32. Hypex ucd2k and smps3k input level control
  33. Non-electronic question about guitar nut
  34. Matchless Lightning inspired build
  35. Tube guitar amp w/ mosfet CCS's, or class 2 operation, etc?
  36. Cheap Chinese amp modules any good?
  37. Wanted PT2395 delay PCB, and 2395 bits
  38. Help me choose a layout
  39. noisy foot switch; is there a fix?
  40. Simmons DA200S: Power Amp PCB
  41. DIY bass cabinet with 12" driver
  42. Push-Pull fixed bias and output power question
  43. Concerns about a 54 yr old Wurlitzer vacuum tube organ & safety of old electronics
  44. Alesis Ra-100 repair help
  45. Series 6N2P-EV don't lit, no sound.
  46. Guitar electronics question
  47. Advice needed on 100 watt Plexi clone build
  48. Buffer/Splitter Input Resistors Value?
  49. Input capacitors on guitar amps?
  50. Upright electric bass with amp and speakers built in.
  51. Micro bass amps, ToneHammer, littleMark, Shuttle, etc.
  52. DIY power amp suitable for bass.
  53. Anyone have experience with Delta 10's for bass speakers?
  54. Recommend me a tube pre amp for guitar
  55. add an XLR out to an amp that doesn't have it?
  56. Help Wirring Bass Guitar on board preamp
  57. Preamp Build Questions
  58. Guitar Bass Preamp Project
  59. SM Pro Audio V-Machine fan noise
  60. Build a Sunn Model T clone. Some questions. (EU)
  61. DIY preamp for amp head - general guidelines?
  62. Carvin legacy guitar amp build oscillation trouble
  63. 1954 BOGEN Bass Control
  64. HF Oscillations- How Do I Scope?
  65. Should (can) I go pentode instead of UL
  66. hiss/noise from jcm clone
  67. Guitar power amplifier MOSFET SE 5W
  69. Help with a vibe amp design
  70. Hammond AO-39 and AO-35 organ to guitar power amp conversion
  71. 1955 Gibson GA-20 should replace speaker; How?
  72. Quad of EL84 Screen Resistors
  73. Phantom power preamp for microphone
  74. Help choose tone stack
  75. Strat Squire pickup wiring questions
  76. Where can i find a replacement rocker switch for this guitar pedal?
  77. Behringer BX3000T Bass Head
  78. Ground currents
  79. Mann 100 PAR into guitar amp
  80. Happy so far on amp build project
  81. Click/pop with digitally switched effects loop
  82. Using Sweep Tubes for an Amp Build
  83. Does Plate Voltage Matter?
  84. Another Layout Proof Request - Marshall JCM800
  85. ax84 P1 Extreme Based 2 Channel Amp
  86. Classic 30 ohm load
  87. Tube amp chassis layout proposal
  88. DIY Vocal Compressor. Need Help !!!
  89. going solid?
  90. Add magnetic pickup to piezo pickup and preamp.
  91. Turning my Reel-to-reel into guitar amp.
  92. Instrument amp design goals
  93. Why did Fender do this ?
  94. Guitar preamp grid bias problem
  95. Help: MG100RCD Squeels (even with no input)
  96. Breadboard Bassman with runaway bias!
  97. 70V Line Matching Transformer - Good OT substitute?
  98. 420 Watts Speaker Not Really 420 Watts?
  99. What does this triode do in circuit?
  100. Guitar Amp Design
  101. Craig Anderton Buffer Board mods
  102. Build Ideas, Suggestions
  103. 18W homemade tube amp - Need advise
  104. compression/expansion control in guitar preamp
  105. 6gk5/6fq5 as input/preamp stage tube ?
  106. Isolation transformer question
  107. Couple Questions - Grid Stoppers and High Cut
  108. thoughts on heater wiring orientation
  109. Testing The Tube Guitar Amplifier
  110. JTM45 Bias Voltage moving around & bad distortion
  111. Connect plate after choke?
  112. blackstar stage 60 diy
  113. Question 'bout valve stompboxes
  114. 1965 Fender Deluxe Reverb - DI Connection?
  115. Buffer stage after Alembic F2b design
  116. Odd noises; guitar, environment, or amp?
  117. Fender reverb stand-alone
  118. master volume addition - Webster Chicago W830
  119. noiseless diodes setup choice
  120. Help choose a guitar amp to build?
  121. Weirdness with virtual CT on 6V heater tap
  122. Marshall 1974X
  123. Preamp Output Transformer
  124. Traynor YCL-3 Mark III Rebuild
  125. Sunn Sceptre Style Build
  126. Pepco (Pine Electronics) 801 Chassis Isolation Mod
  127. Fender Bassman AA864 build
  128. Gulbransen Organ Resurrection -
  129. Strange voltage reading
  130. Tube Preamp (my first)
  131. Marshall 18W TA
  132. 2002 Fender Twin Amp **Unusual Problem**
  133. Princeton 112+ Loose PCB Pot Shaft
  134. Greenchild Trbus Drive
  135. Can someone help me proof this layout?
  136. Laney Ironheart Irt30-112
  137. Hot Rod Deluxe issue, need advise!
  138. Guitar amp and bass amp
  139. Amp Build Not Working Correctly....
  140. Tuning a ported guitar cab
  141. Who made these early Peavey 6L6GC
  142. Inc / Dec Stomp Box
  143. Alnico magnet heat?
  144. Class AB amp trouble shooting (Scope shows square not sine)
  145. *small* Bass guitar amplifier
  146. 1950 Gretsch Electromatic Artist
  147. huge voltage drop after diode rectifier
  148. Questions on open baffles speaker.
  149. Crown DC-300A
  150. Bassman AA-864 Preamp Question
  151. Blackstar combo 20 that squeals
  152. 6V6/6L6 Switchable Guitar Amp
  153. input impedance of output transformer gibson ga20rvt amp
  154. career change for Jensen TR10 spkr
  155. gibson ga15rvt and ga20rvt amps
  156. why does 1 amp run hotter than another
  157. Guitar tube Pre-amp
  158. Power supply and transformer - good pair? (Hexaphonic guitar box)
  159. Mosfet driver
  160. Mullard 5-10 for guitar ?
  161. Rotary Speaker Cabinet Project
  162. General bass amp questionnaire
  163. Looking for someone to build an acoustic guitar preamp for me
  164. any tank circuit calculator?
  165. wires on an old humbucker
  166. LEM Baby Tape Echo PSU
  167. dual-tube SE
  168. 4-ohm 212 L-Pad
  169. Replacing Power Amp in Fender FM212R
  170. built a Sunn 2000S copy
  171. Heathkit A7 amp tube lineup
  172. Bass guitar wiring
  173. hybrid amp question
  174. New Bass Rig
  175. capacitor question
  176. ampeg ss70c 2x10 guitar amp
  177. Super Reverb AA270 reverb weak
  178. Uber Newb needs ideas for Cheap Bass Amp
  179. Fender PA100 - smoke -> no sound
  180. Dynacord Eminent II Biasing and tube change
  181. Hypex UcD2kOEM Bass Power Amp Project
  182. XLR Mixer Output to 1/4" Mono Amp Input
  183. Modify Bell 3030 into a stereo guitar amp project
  184. 'distortion' knob in schematic
  185. Easy HPF for bass cab?
  186. Ampex 620 For Use As Guitar Amp
  187. Amplifiers that exceed grid leak resistance
  188. Trace-Elliot Bipolar Bear
  189. Peavey PA-100 repair question
  190. Digital volume control for instrument level signal
  191. Question about Green Ringer ring modulator
  192. Home theatre subwoofer amp project
  193. Hammond M all ocal amp
  194. Discrete Compressor pedal design
  195. Need replacement speaker advice for 4X12
  196. I fried the mp3 input of my Roland Cube 40 xl
  197. Roy Blankenship at work
  198. The Mighty MKS-20 - What I've learned
  199. Crate GX 130c
  200. A Preamp doesn't work well!! (distortion)
  201. Draining a can cap
  202. Ampalanche
  203. Ace Tone Elite
  204. Power-booster power amp section for champ
  205. Need Ideas of what to do with 50+ tip36 PNP transistors
  206. '65 bassman ab165 hiss
  207. Silvertone Organ amp conversion
  208. Mesa Subway Rocket burned up! Help!
  209. Palmer Drei (Parallel SE w/mismatched output tubes)
  210. Fuzz Face circuit with unusual Ge PNP transistors
  211. recycling old tech to make an amp
  212. Low voltage Marshall inspired amp for voltage challenged individuals.
  213. upgrading a cheap guitar amp
  214. First test of rebuilt bass guitar amp
  215. first build is ready for testing. need to confirm the first reading though.
  216. Guitar Level to Line Level Hi-Quality Preamp
  217. What's wrong with this chassis layout?
  218. National guitar amp (?) "Sportsman" help needed
  219. switch rating question
  220. Experience modifying Boss pedals?
  221. Building a serious bass cabinet
  222. Gut Shot of Gibson GA-5 Skylark
  223. OK champ-mod?
  224. Looking for a power transformer Hartke HA 4000
  225. DIY UniVibe
  226. simplest possible push pull 6v6 cathode bias guitar amp?
  227. op amp output ceiling ???
  228. Fs Ibanez Renometer
  229. novice tube amp (re)build
  230. Farfisa Combo - Reverb Replacement
  231. digipots in audio ccts
  232. Good 300-400w amp kit for a beginner?
  233. Tl806 - EMV12L vs Eminence DeltaProA
  234. Modular Synthesizer with Tubes
  235. Vox AC15TB power transformer
  236. opamp driver for reverb tank, single supply
  237. pencil tube mini amp?
  238. Swapping OP amps
  239. Oh NO!! Its French!!!
  240. Peavy Triumph 60 Clean Channel
  241. self-split dual triode output impedance?
  242. Easy Tube distortion for beginner. (v1 6418 tubes?)
  243. Princeton clone hums - analyze my build?
  244. For accordion players: MIDI accompaniment
  245. i have a few questions about 5f1 champ project.
  246. Guitar amplifier LTSpice simulation
  247. help identify unknown Output transformer leads?
  248. Bass guitar preamp using op-amps
  249. So your 5E3 is still too loud huh?
  250. Seeking troubleshooting advice for my first amp build.

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