View Full Version : Instruments and Amps

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  1. Anyone familiar with AB 600LX?
  2. Gretsch G5222-VCM Vintage Custom Modified
  3. Strangely modded Carlsbro 50 TOP
  4. Very old Valve amp
  5. Amp Xfmr Chassis Orientation
  6. Montgomery Wards Model 62-9033
  7. Latest pruchase Marshall 100HDFX
  8. Suitcase Amp Volume Pot
  9. EQ vs Tone Stack
  10. Dynacord DA15/V Schmatic wanted
  11. Marshall 200 Watt "PIG" Build
  12. Where to put the tone stack?
  13. DIY AC15 AC50 normal and top boost channels Tremolo not working
  14. Pignose 7-100 Mods
  15. solid state and tube in parallel (like a bizarro roland jazz chorus)?
  16. What does that resistor do..?
  17. Orange and Other Amp Design Features
  18. GE 5 Star and Other High Reliability Tubes
  19. Cobalt Twin Amp Design
  20. Calculating plate load impedance with a mixing resistor
  21. 12AX7 Switched Listening Test
  22. Remove Silicon Clippers, Start stacking opamps/only LED clippers are accetable.
  23. ecc83 vs 6sl7 any old tricks?
  24. Fender Hot Rod Deville 410 Reissue Clean Up
  25. Piezo Pick Up and Pre Amp Project...
  26. webcor 2611 morph into practice amp
  27. Fender FM212 - Deluxe 90 PowerAmp problems
  28. Troubleshooting Power Amp/Output of a Fender Deluxe 90
  29. EVH 5150 III
  30. mod for microphone input ?
  31. Philco Tube Radio Guitar Amp Project
  32. 90's Ampeg Reverberocket Reissue Speakers
  33. Converting a vintage electret condenser to phantom power
  34. You'll likely learn something watching this....
  35. Troubleshooting my Ashdown head
  36. Newcomb pathfinder PA into guitar amp
  37. 6X4 or EZ81 rectifiers in a guitar amp
  38. Ampeg B15 preamp: Drive balanced transformer from PI?
  39. Need assistance with a bad Sunn Beta Lead
  40. Viking RP61 tube preamp into Mic preamp?
  41. Latest purchase
  42. A transformer as an effect
  43. Connecting Guitar Tube Amp to External Line Match Audio Step Up Transformer
  44. New amp build, initial thoughts?
  45. Beginner Load Line Question
  46. Headphones on 18W Marshall
  47. Keyer Chip issues
  48. sd convertible 100w head diy preamp modules
  49. Acetone organ distorted output
  50. Tonal effect of fluctuation in 12ax7 supply voltage?
  51. Reverb replacement
  52. Guitar headphone amp with cab sim
  53. Resistors Chained up/Parallel with OPT Primaries
  54. help improving cheap QFX wireless mic
  55. 1961 Silvertone Model 4722 Organ Guitar amp conversion questions
  56. Modding an old practice amp - switches, pots etc
  57. Stumped! 5F11 circuit owning me.
  58. Need a catch-all pin 1 solution
  59. Vermona Synthesizer troubleshooting
  60. 12AX7 Distortion - high grid voltage?
  61. Peavey XD234 Required
  62. Replacing 3 Pin Rhodes Capacitors
  63. 6080 DC coupled guitar amp
  64. Need Help with a SWR Workingman's 12 Combo Amp
  65. Removing a humbucker increases noise?
  66. Guitar Speaker Chat
  67. I Warped Back to the 80s' hahaha
  68. Amplifying an electro acoustic guitar
  69. 6080 cascade guitar amp
  70. Hum immediate when powering on
  71. stomp box with low impedance output
  72. BBE 362 NR Sonic Maximizer
  73. How do I limit tube supply voltage in the event B+ rises a little?
  74. Power output from a quad of 6V6?
  75. Missing reverb tank
  76. Preamp stage is going very asymmetrical. Why?
  77. Using mic pre for bass?
  78. Marshall 2210 amp repair
  79. High voltage Ultra-Linear
  80. non-electronic question about stiffening an SG clone
  81. DIY Spring Reverb circuit for old mixer setup
  82. Preparing my first low power guitar amp build.
  83. Hypex ucd2k and smps3k input level control
  84. Non-electronic question about guitar nut
  85. Matchless Lightning inspired build
  86. Tube guitar amp w/ mosfet CCS's, or class 2 operation, etc?
  87. Cheap Chinese amp modules any good?
  88. Wanted PT2395 delay PCB, and 2395 bits
  89. Help me choose a layout
  90. noisy foot switch; is there a fix?
  91. Simmons DA200S: Power Amp PCB
  92. DIY bass cabinet with 12" driver
  93. Push-Pull fixed bias and output power question
  94. Concerns about a 54 yr old Wurlitzer vacuum tube organ & safety of old electronics
  95. Alesis Ra-100 repair help
  96. Series 6N2P-EV don't lit, no sound.
  97. Guitar electronics question
  98. Advice needed on 100 watt Plexi clone build
  99. Buffer/Splitter Input Resistors Value?
  100. Input capacitors on guitar amps?
  101. Upright electric bass with amp and speakers built in.
  102. Micro bass amps, ToneHammer, littleMark, Shuttle, etc.
  103. DIY power amp suitable for bass.
  104. Anyone have experience with Delta 10's for bass speakers?
  105. Recommend me a tube pre amp for guitar
  106. add an XLR out to an amp that doesn't have it?
  107. Help Wirring Bass Guitar on board preamp
  108. Preamp Build Questions
  109. Guitar Bass Preamp Project
  110. SM Pro Audio V-Machine fan noise
  111. Build a Sunn Model T clone. Some questions. (EU)
  112. DIY preamp for amp head - general guidelines?
  113. Carvin legacy guitar amp build oscillation trouble
  114. 1954 BOGEN Bass Control
  115. HF Oscillations- How Do I Scope?
  116. Should (can) I go pentode instead of UL
  117. hiss/noise from jcm clone
  118. Guitar power amplifier MOSFET SE 5W
  120. Help with a vibe amp design
  121. Hammond AO-39 and AO-35 organ to guitar power amp conversion
  122. 1955 Gibson GA-20 should replace speaker; How?
  123. Quad of EL84 Screen Resistors
  124. Phantom power preamp for microphone
  125. Help choose tone stack
  126. Strat Squire pickup wiring questions
  127. Where can i find a replacement rocker switch for this guitar pedal?
  128. Behringer BX3000T Bass Head
  129. Ground currents
  130. Mann 100 PAR into guitar amp
  131. Happy so far on amp build project
  132. Click/pop with digitally switched effects loop
  133. Using Sweep Tubes for an Amp Build
  134. Does Plate Voltage Matter?
  135. Another Layout Proof Request - Marshall JCM800
  136. ax84 P1 Extreme Based 2 Channel Amp
  137. Classic 30 ohm load
  138. Tube amp chassis layout proposal
  139. DIY Vocal Compressor. Need Help !!!
  140. going solid?
  141. Add magnetic pickup to piezo pickup and preamp.
  142. Turning my Reel-to-reel into guitar amp.
  143. Instrument amp design goals
  144. Why did Fender do this ?
  145. Guitar preamp grid bias problem
  146. Help: MG100RCD Squeels (even with no input)
  147. Breadboard Bassman with runaway bias!
  148. 70V Line Matching Transformer - Good OT substitute?
  149. 420 Watts Speaker Not Really 420 Watts?
  150. What does this triode do in circuit?
  151. Guitar Amp Design
  152. Craig Anderton Buffer Board mods
  153. Build Ideas, Suggestions
  154. 18W homemade tube amp - Need advise
  155. compression/expansion control in guitar preamp
  156. 6gk5/6fq5 as input/preamp stage tube ?
  157. Isolation transformer question
  158. Couple Questions - Grid Stoppers and High Cut
  159. thoughts on heater wiring orientation
  160. Testing The Tube Guitar Amplifier
  161. JTM45 Bias Voltage moving around & bad distortion
  162. Connect plate after choke?
  163. blackstar stage 60 diy
  164. Question 'bout valve stompboxes
  165. 1965 Fender Deluxe Reverb - DI Connection?
  166. Buffer stage after Alembic F2b design
  167. Odd noises; guitar, environment, or amp?
  168. Fender reverb stand-alone
  169. master volume addition - Webster Chicago W830
  170. noiseless diodes setup choice
  171. Help choose a guitar amp to build?
  172. Weirdness with virtual CT on 6V heater tap
  173. Marshall 1974X
  174. Preamp Output Transformer
  175. Traynor YCL-3 Mark III Rebuild
  176. Sunn Sceptre Style Build
  177. Pepco (Pine Electronics) 801 Chassis Isolation Mod
  178. Fender Bassman AA864 build
  179. Gulbransen Organ Resurrection -
  180. Strange voltage reading
  181. Tube Preamp (my first)
  182. Marshall 18W TA
  183. 2002 Fender Twin Amp **Unusual Problem**
  184. Princeton 112+ Loose PCB Pot Shaft
  185. Greenchild Trbus Drive
  186. Can someone help me proof this layout?
  187. Laney Ironheart Irt30-112
  188. Hot Rod Deluxe issue, need advise!
  189. Guitar amp and bass amp
  190. Amp Build Not Working Correctly....
  191. Tuning a ported guitar cab
  192. Who made these early Peavey 6L6GC
  193. Inc / Dec Stomp Box
  194. Alnico magnet heat?
  195. Class AB amp trouble shooting (Scope shows square not sine)
  196. *small* Bass guitar amplifier
  197. 1950 Gretsch Electromatic Artist
  198. huge voltage drop after diode rectifier
  199. Questions on open baffles speaker.
  200. Crown DC-300A
  201. Bassman AA-864 Preamp Question
  202. Blackstar combo 20 that squeals
  203. 6V6/6L6 Switchable Guitar Amp
  204. input impedance of output transformer gibson ga20rvt amp
  205. career change for Jensen TR10 spkr
  206. gibson ga15rvt and ga20rvt amps
  207. why does 1 amp run hotter than another
  208. Guitar tube Pre-amp
  209. Power supply and transformer - good pair? (Hexaphonic guitar box)
  210. Mosfet driver
  211. Mullard 5-10 for guitar ?
  212. Rotary Speaker Cabinet Project
  213. General bass amp questionnaire
  214. Looking for someone to build an acoustic guitar preamp for me
  215. any tank circuit calculator?
  216. wires on an old humbucker
  217. LEM Baby Tape Echo PSU
  218. dual-tube SE
  219. 4-ohm 212 L-Pad
  220. Replacing Power Amp in Fender FM212R
  221. built a Sunn 2000S copy
  222. Heathkit A7 amp tube lineup
  223. Bass guitar wiring
  224. hybrid amp question
  225. New Bass Rig
  226. capacitor question
  227. ampeg ss70c 2x10 guitar amp
  228. Super Reverb AA270 reverb weak
  229. Uber Newb needs ideas for Cheap Bass Amp
  230. Fender PA100 - smoke -> no sound
  231. Dynacord Eminent II Biasing and tube change
  232. Hypex UcD2kOEM Bass Power Amp Project
  233. XLR Mixer Output to 1/4" Mono Amp Input
  234. Modify Bell 3030 into a stereo guitar amp project
  235. 'distortion' knob in schematic
  236. Easy HPF for bass cab?
  237. Ampex 620 For Use As Guitar Amp
  238. Amplifiers that exceed grid leak resistance
  239. Trace-Elliot Bipolar Bear
  240. Peavey PA-100 repair question
  241. Digital volume control for instrument level signal
  242. Question about Green Ringer ring modulator
  243. Home theatre subwoofer amp project
  244. Hammond M all ocal amp
  245. Discrete Compressor pedal design
  246. Need replacement speaker advice for 4X12
  247. I fried the mp3 input of my Roland Cube 40 xl
  248. Roy Blankenship at work
  249. The Mighty MKS-20 - What I've learned
  250. Crate GX 130c

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