View Full Version : Instruments and Amps

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  1. what happens to voltage when I add a good choke
  2. Variable feedback vs. input attenuation
  3. choosing new output tubes for mongrel amp
  4. Harsh 12AT7 PI. Brand or model?
  5. Help wanted. A very strange error.
  6. Guitar Tube Preamp
  7. Fixing a Peavey Transtube Amp
  8. Issues with model T (ish) Clone
  9. Boss BD-2 No Suund
  10. Gretsch6151 preamp fun project - Goes silent when tremolo tube is put in
  11. champ hop-up vs. new Angela super-single-ended build
  12. Peavey Triumph 60
  13. Hey Everybody (DIY Acoustic Amplifier)
  14. EF86 with EL84 pushpull
  15. Valve amp rebuild help
  16. OPT impedances
  17. crest fa2401 lose connection trace
  19. BJT/tube hybrid power amp with adjustable distortion
  20. Sag resistor
  22. Double amplification
  23. Blue label jensen stock in champs?
  24. questions on Svetlana/Tube Town EF86 mic stage
  25. Tremolo Circuit Design Beating
  26. old penncrest stereo amp to basic tube amp
  27. gibson L6s guitar tone control inductor
  28. carlsbro cobra 90 twin gone wrong
  29. Marshall Plexi Clone
  30. How to add volume to TDA8541 circuit?
  31. looking for Guitar amp
  32. Guitar piezo preamp
  33. effects powersupply
  34. Introduction and survey for gear junkies!
  35. Technical help with screen grid voltages
  36. tube amp no sound only buzz
  37. Critique my preamp design
  38. How is an acoustic amp different from a regular amp?
  39. el34 output transformer, 3 or 5 wire ~?
  40. Designing a Tube Line Driver / Pre-amp
  41. KT88 Tube Guitar Power Amp
  42. Guitar preamp with EQ and blend
  43. Building drum machine modules
  44. AB International 400 Power Amplifier Repair
  45. **** me, I bought the wrong box.
  46. Fender Frontman 212R - Extremely Loud Popping Noises..
  47. AC30 problem
  48. Damn, what chord is that?
  49. 20Segi tube amp
  50. Pedalboard Mounted Power Amp
  51. Homemade Leslie cabinet
  52. Tube ID needed
  53. Simple shematics for line level distorsion
  54. Fender pro reverb AA1069 nasty noise on normal channel
  55. Bias voltage problem
  56. Need help starting keyboard mod project
  57. Bright Cap, Yes or No or Maybe
  58. Gibson L6S guitar wiring
  59. Hex sustainer thingy
  60. Marshall B65 Schematic
  61. Golden Age Pre 73
  62. Piezo sensor - mounting woes
  63. Looking for high-fi condenser capsule
  64. I bought a box of old valves, some new in box and I want to build some projects
  65. 6550s
  66. Marshall VS 8080 IC1 Blowing.
  67. strange preamp
  68. Marshall 1960 Celestion G12t-75 ohm?
  69. 72 Twin reverb
  70. 6v6 Pushpull question
  71. Single-ended 6v6 diy; over-conducting
  72. Advice for first DIY project (MIDI sample playing instrument)
  73. Bass pre-amp DI output
  74. O/P Transformer DC Resistance Check
  75. HI-FI amplifier for bass guitar
  76. preamp for guitar
  77. Amp enclosure help
  78. Digning intro old organ
  79. SONIC MA-1 Tino Zottola
  80. Compressor design
  81. Possible intermittent Micalex tube socket?
  82. Mic as filter
  83. Fender rhodes peterson vibrato preamp
  84. Biasing for single supply to op amp
  85. Hammond Converion amps
  86. SAP 15
  87. The Right Tube For The Job
  88. Fishman Loudbox
  89. My bass amp is too loud!
  90. DIY AMI DD. Need some advice.
  91. Amplification breaks up after some time
  92. Polytone 215-700 Custom Bass Amp SCHEMATIC NEEDED please
  93. calculating signal current for power dissipation
  94. Getting a little help building an audio amplifier
  95. Screen Taps on Sunn Model T
  96. Mesa Boogie MkII
  97. Amp for electric violin / cello.
  98. Valve amp - placement of dual chokes
  99. voltage to sound
  100. stupidly simple LED dimming from DC heater supply?
  101. running a preamp tube in class B!
  102. Echo Amb Bias Confusion
  103. Capacitor ID
  104. Modified Alembic F2-B
  105. Tonemaster 214 Clone harsh increasing buzzing sound- no signal
  106. Hammond Type G Amp
  107. Improving a Marshall MG30DFX
  108. 6J51P mic amp - comments
  109. Attenuation pedal
  110. What all is included in the DC load current a transformer sees?
  111. DIY 25v power supply
  112. Ampeg SVT CL fault
  113. DIY Trace Elliot V8 w/ 8 KT120
  114. RCA Loudspeaker 106 and what is it?
  115. adding series resistance to transformer primary
  116. Guitar Preamplifier with ECC85.
  117. Wiring guitars: which features are important
  118. single-coil / humbucker hybrid wiring
  119. SE 6550 Guitar amp
  120. Humbucker question
  121. Bias vary tremelo help needed
  122. suzuki omnichord om-27 issue
  123. Fender reverb circuit diagnostics/repair
  124. Multiple Amp Stacks for live event
  125. Elgen Bass amp fault diagnosis
  126. Ibanez TB100h information?
  127. Fortin NATAS tubes?
  128. Tube Arcing?
  129. signal processing question
  130. Garnet stencil (Granada) with no AC isolation transformer
  131. LM3886 By General Guitar Gadget
  132. 100w Guitar Amp based on 2SC3280 (2SC5200)
  133. Hybrid "Marshall" Amp
  134. Mojo fix
  135. tube interstage impedance bridging for frequency response shaping
  136. Check This out!
  137. 120W PPP ULL Bass amp, first desgin, please shoot
  138. 6v6 fixed bias
  139. Bass amp; everybodies favorite 4x K88 driver tube
  140. Overdriving one channel with another
  141. VERY LOUD cracks/pops but no sound !?
  142. larger AC motors and shielding issues? Animated cabinet
  143. Mesa Boogie Road King - strange fault - help?
  144. KT120 Bass Amp
  145. rectifier tube recommendation for champ clone
  146. Modding a cheap practice amp (aka polishing turds)
  147. Distortion mod issue (help pls)
  148. Favorite Coupling caps in Preamp?
  149. Suzuki Omnichord
  150. Boss Super Shifter Help
  151. BASS AMP: KT88 PP (or PPP) 6SN7 CF vs CC driver
  152. Ashdown Electric BLue 180 crossover distortion
  153. I have no idea where to even start
  154. Crate GX1600 blowing fuses (and general SS help)
  155. boost idea
  156. on/off switch pop when turned off
  157. Sony stereophonic amp (60's tube)
  158. Transformer from Marshall 3530
  159. baldwin model 45 c-2 amp
  160. Single tube guitar amp, adding a transformer to a formerly transformer-less design
  161. More Peavey Classic amps
  162. Echoplex restoration
  163. Background noise on guitar amp TD35
  164. SVT project
  165. Gibson amp project
  166. Fender Hot Rod Deluxe - Cracking noise when adjusting nobs
  167. ISO Traynor YBA2 schematic, 5Y3 rectifier
  168. high gain vacuum tubes
  169. Bell tube PA amp giving really low output.
  170. 12at7 transformed amp
  171. Low wattage power amp for preamp.
  172. my first valve amp build,
  173. 45hz bass boost on amp sounds gummed up?
  174. Fender Champ 5f1 clone squeal
  175. need help in guitar amp modification!!!!
  176. power resister problem
  177. Peavey Renown 400 Issues
  178. Connection for 4 booster circuits?
  179. "sloclone" HT PS filtering mod question
  180. How to replace horn in yorkville 300k?
  181. Bass/guitar tube preamp with small power stage
  182. Splitting and attenuating a balanced signal
  183. Guitar tube amp self-made
  184. Roland PA410 Powered Mixer
  185. Negative Feedback in Two Stage Preamp
  186. uStack Desktop Amp.
  187. crate_technical_support_abandonment
  188. voicing for push-pull amp without tone controls
  189. Rangemaster clone filter caps
  190. channel input resistor value straight from humbuckers?
  191. FX loop volume control
  192. Piezo stereo preamp
  193. el84 same with el84(6n14n)??????
  194. long tailed power amp class a
  195. Is it safe to change Reverb Impedances?
  196. Negative feed back squealing
  197. Humming V1 in Fender Pro Junior
  198. How to add an additional pre-amp stage to 5A3 design
  199. Head cabinet as bench chassis stand
  200. Crate TD35 fixing
  201. Crate Stealth 50 MONSTER!!!!!
  202. Fender Pro Junior Tube Set Up...
  203. speaker wiring
  204. Help with PSU for guitar amp!
  205. Improving upon the Alembic preamp
  206. OC44 Yellow Jacket Pinout
  207. single-ended parafeed guitar amp
  208. Switchable Cathode Bypass Capacitor for a Tube amp
  209. SWR Workingman's Bass
  210. Finished AX84 Hi-Octane
  211. Blencowe's bootstrapped DCCF cap value.
  212. swr headhead amp fan always on
  213. Rack preamplifier for acoustic guitar
  214. Cleaning carbon deposits from PCB
  215. ENGL Classic 50 2x12 spkr jack part number
  216. Anyone opened a Tom Scholz Power Soak before?
  217. PLEASE HELP! Distortion Pedal problem!
  218. Voltage Regulation (LDR Related)
  219. Grid choke
  220. Diy power amplifier has poping noise in one channel
  221. 6an8 substitution for Sunn amplifier
  222. 1x12 Guitar Speaker Cabinet Recommendation Please
  223. LM1876 arduino mute
  224. String noise/squeek
  225. Low-end cab for distorted guitar
  226. best power amp for 14-15k
  227. Speaker question
  228. Donor Amps for Guitar Amps
  229. Questions about Champ mods, NF loop and more
  230. Fender Champion 110 Problem
  231. Want to make small inductor for tone circuit
  232. Klon Clone pedal help
  233. Gibson Goldtone amp GA-30 RVS (stereo)
  234. Fender Tweed Deluxe 5E3 build
  235. Understanding the Music Man Stingray 2-band preamp
  236. 12ax7 power transformer
  237. DIY Eminence 1x15 Bass Guitar Cabinet
  238. New big amp project
  239. Hybrid amp design
  240. Class switchable amplifiers
  241. Marshall AVT 20 Loud Humming
  242. relay switch wiring
  243. Running up tube heads
  244. Fender FM212R Problems
  245. Speaker Box issues
  246. Typical power for tubes
  247. My new build
  248. guitar amplifier
  249. EL509 SE
  250. adding a fxloop to a guitar amp

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