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  1. Peavey PV-500 schenmatics.
  2. output inductor placement idea, does it work
  3. Help with ocillating amplifier !!
  4. What headphone amp to build?
  5. The David N.J.White 100W MOSFET amplifier
  6. "Dumb" Krell Class A Question
  7. Quad 306, an underrated masterpiece?
  8. Yamaha PC-2002M
  9. Marantz 1090 shorted output stage
  10. Audiophiler Capacitor Red compared to any Mundorf Supreme as coupling cap?
  11. curious observation re: Hafler TA-1100
  12. LME49810 minimum safe working voltage not according to the datasheet
  13. Experience with Savoy G3
  14. Rotel RA-840BX3 repair?
  15. Help hooking up transformer
  16. Hafler dh200 2sk134 mosfet transistor
  17. pioneer sx1010 zener diode voltage
  18. Adcom GFA 5400 questions
  19. Measuring Power Amp Output Impedance
  20. Skytec PA-200, smoke and volume not working
  21. NAD 7155 Preamp help needed
  22. cyrus 8v2 with buzz after 2 hours
  23. Wilson-Cfp by Stee
  24. Problem with DC offset and stability
  25. Sansui AU-517 Capacitor Recommendation
  26. Acurus RL11
  27. Kenwood KR-V55r DC present on both channels. A lot.
  28. Pioneer sx 1010 power problem
  29. Onkyo M-504 Upgrade to LED lights? Help!
  30. Subwoofer amp - too much bass!
  31. Help to fix C-Audio GB402 Amplifier
  32. NAD C320 fixed (another protection circuit problem)
  33. If replacing differential input pair; also replace current source transistor?
  34. One single output pair per channel is a good thing ?
  35. Quad 99 system transformer hum
  36. calculating the resistor & capacitor values in class a amplifier
  37. Lots of noise when input is unconnected
  38. Mosfet source follower output impedence
  39. Harman/Kardon 430 - Need help with strange powerup noise
  40. Gallien Krueger 800RB Hi Channel Problem
  41. Transistor heatsink question
  42. lme49810 DC servo circuit.
  43. 300w power amp
  44. What can cause noise in this design?
  45. SYBELIUS 3 plus - ultimate high design
  46. Help repairing Sub AMP
  47. Sansui Diamond Differential PA Simulation and possible build
  48. Krell KV300i input selector board removal
  49. Replacment transistor for hitachi 2sc2b1 ? Its in a Sansui AU 555 A
  50. Yamaha M45 low pwr issue pretty interesting.
  51. Brocken amp..noise like thunder
  52. Rails Decoupled SE Amplifier
  53. DVD/CD output and power amp input specification.
  54. Bose 550 Receiver Has DC on outputs
  55. AEQ model 250 schematic
  56. Transformer coupling instead of cap?
  57. Krell 200S
  58. HH Electronic VX-150 MosFet
  59. Power supply for power amp.
  60. Making a VCO. Design help needed.
  61. DoZ in a Hafler 220? Or. . .?
  62. Roland RE-201 tapeecho improvements
  63. Burmester 933 mk2 Clone from Jims Audio
  64. Harman-Kardon hk6200 repair
  65. Needed - Service Manual For Luxman L-110
  66. Powering front end of amplifier
  67. New Project: The Silver Fox
  68. Dual Diff Amp Question
  69. What can I build with these? 4 pairs of 2SC5200/2SA1943
  70. LM 3915 mode change
  71. Pioneer SX-1080, after re-cap problem w. center voltage & idle current
  72. CFA Enhancements
  73. Peavey PV900 schematics
  74. Power amp ideas.
  75. Got taken on yasmaha m45
  76. Marlboro PA chip conversion question
  77. Diagrams required
  78. Another 100W hifi amp
  79. Repair help needed - Creek Destiny
  80. Power Supply for PGA2310 project
  81. yamaha b1 amp
  82. Parasound HCA-800II and C/PT-600
  83. Peavey Delta Blues Reverb Mod
  84. Help, In need of Service Manual for Cambridge Azur 640A V2
  85. NAD 7250PE Repair From Driving a Shorted Voice Coil?
  86. Need help with college project - Trying to build a 3 stage amp but I'm lost
  87. Digital Attenuator for Balanced Lines?
  88. Onkyo R1 AV amp
  89. GFA 5503 Bias adjustment
  90. Onkyo Dynamic Four 800 - Schematic for modification
  91. yamaha A-1020 amp
  92. Changing my old VFA designs into ONE-BEND CFA plus Current Drives
  93. H/K Citation Sixteen Parts
  94. Rotel Rb890 hum on one Channel
  95. Sansui AU555-A D001/D002 replacment diode?
  96. Diamond Wilson CFP - Roger Amp
  97. DIY Buffer Pre Amplifier with phono stage
  98. Single ended class a build. noob question
  99. Experimentations on Regulators
  100. Perfect Stranger - Innovative Amplifier
  101. Pioneer amp board with IC drivers.
  102. Technics SA-80 distorted right channel
  103. Please help educate - T300 & VSSA level matching
  104. transformer amplifier zero feedback
  105. What do these resistors do? :(
  106. Watercooled HEXFET Power Amplifier
  107. A simple question about performance
  108. bridge adapter
  109. CROWN DC-300A SERIES II RESTORATION
  110. OLDER PIONEER PREMIER Specific Amp line
  111. Resurrecting a BGW 750B
  112. Op-amp swapping MC330789 to OPA627
  113. Sudgen p28 Bias current
  114. Rotel service manual biasing...
  115. My Blameless
  116. Amber Series 70 Fuses
  117. Bi-Pak AL60
  118. yamaha M35 amp led meter
  119. Yamaha M45 amp led circuit schematic
  120. Does this amplified topology have a name
  121. The affect of mismatched impedance
  122. Acurus A150
  123. trace acoustic ta100r repair help
  124. New to forum - Buzzing noise
  125. resistor colour code
  126. help!!!!
  127. Arcam Alpha 10 overheating issues
  128. TEAC AG 4200 relays?
  129. Unique CFA 120/230W amp
  130. Direct NFB Pure Amplifier 2
  131. Crimson CS 620D
  132. Sansui 350
  133. Driving a 4-8R speaker with a single transistor Class A amp?
  134. Turbo 225 amplifier (SGS)
  135. excelinear 2014
  136. CFP OUTPUT 100W*2 MX100 MY design
  137. Amp starts humming when volume pot is attached
  138. Cannot get 2SK170 2SJ74 Spice model to pass more than 0.4mA
  139. Second opinions on balanced inputs
  140. Availability of "current-drive" amplifiers as commercial products
  141. Amp with unfamiliar input stage - DC offset problem
  142. 2SJ118/2SK413 schematics
  143. Making a bipolar electrolytic capacitor
  144. Sap Transistors?
  145. Twisting transformer secondary's
  146. Adcom gfa-555ii killed my speakers
  147. Crown DC-300A No Mono/Dual Switch
  148. Repairing surround channels on a Marantz RS3559
  149. Behringer GM110
  150. can I have 5 m cable, quad 35 to 405 amp
  151. NAD 3125 Circuit Diagram
  152. pioneer stereo reciever sx-1080
  153. common value of output stage noise in uV?
  154. Dynacord L2400 output board schematic
  155. Bryston 3B Restoration problems
  156. Protect Headphone Amplifier Output from Accidental Arcing of Electrostatic Driver
  157. Prototype Printed Circuit Board vendors
  158. Where to find Toshiba Semiconductors today (2SK389, 2SJ109, 2SK170, etc?
  159. Musical Fidelity A1000
  160. Parasound 2250 Amp Schematics?
  161. Crown Macro Reference Bias calibration
  162. DC blocking caps in modern amplifiers?
  163. Replacing capacitors in the tuner area
  164. Source of 680nF 2% caps.
  165. first amplifier build. will my schematic work?
  166. kenwood basic M2 problem
  167. Looking for Soundcraft Spirit FX8 Schematic/Info
  168. Which combinations of transistors should thermally track
  169. Technics SA-300: dead FM tuner
  170. Krell KMA-160 schematic and biasing info needed
  171. MCU from NAD T-752
  172. gemini vintage amp need info please
  173. Help with TeddyReg
  174. NAD S300 normal operating temperature?
  175. Harmon Kardon HK650
  176. MARK LEVINSON 33X series caps..Whats best???
  177. Adding a second input channel to my diy amp. how to?
  178. Circuit for a 2.1 system?
  179. Bush Amplifier Distorted.
  180. Yamaha CA 510 Meter lights
  181. Amps' power - which is real the bottleneck ?
  182. Sansui AU 555a One dead channel ? No power ?
  183. Pioneer SA-610 mods to improve sound quality
  184. Honeybadger or Gainclone?
  185. It seems I only use 1W of amp power.. Can it be right?
  186. Increasing slew rate and stability
  187. The most bizzare problem I have come across
  188. Aragon 8008 x 3 blew my woofers?
  189. Phase Linear
  190. Yamaha M-85 Bias Voltage Does Not Increase In "Auto A" Switch Position
  191. Rather simple high quality reference amp (~200W @ 4 ohm, VFA)
  192. What is Monaural, Dual mono, stereo in fact?
  193. Why does CFP output require much less bias than EF?
  194. No Input Select at Kenwood's Integrated Amp A-1001
  195. Quad 405 - DCD–Mod4 (Keith Snook)
  196. output transformer for multiple amps
  197. Connecting amplifier chasis to earth ground, but not amplifier ground
  198. QSC1700
  199. Pioneer SA-610 - bypass the Pre-amp stage?
  200. Upgrading Transistors?
  201. Toroid Field being picked up by input transformer. Way to block this?
  202. free bryston 4b resurrection
  203. 2SA798
  204. universal Jfet source follower
  205. Amp advice prior to purchase -
  206. Which amp shall I build?
  207. Audio transformer (LT700) behaviour [newb]
  208. homemade amplifier
  209. Sansui R-70 bias
  210. Kenwood KA5700
  211. A question about a Linar 10 amp
  212. OP Amp oscillator sine wave too sharp
  213. tectronic SA-535
  214. A dive into the past
  215. Hafler 9303 transformer
  216. Debug my hum
  217. Transistors
  218. Yamaha rx-v373 making me pull my hair out!
  219. Servicing an amp: fuses, regulators, emitter resistors
  220. Pro Amplifier hum
  221. Pioneer Power Amplifier GM-6300T, No Output
  222. Storage of a vintage receiver
  223. project idea. custom amp board in old receiver
  224. Strange problems with transistors
  225. Newbie working with a IRS2092
  226. Ampzilla 2000
  227. Simple repair for a subwoofer amplifier? (ASW3000)
  228. Speaker Impedance - Class A Current
  229. 2SK216/2SJ79 Spice models for Multisim?
  230. News. Three-band repeater with a crossover in the economy class A.
  231. Commercial Solid State Amps with jumper controlled Modes "without NFB" and "with NFB"
  232. Yamaha CA 510
  233. KSA-250 changing mains voltage
  234. "Vintage" Rotel RX-875 Troubleshooting
  235. Luxman L100 muting circuit
  236. Replacement remote for HK6350R
  237. SS amplifier kit equivalent to Dynaco ST70?
  238. Amplifier Problems
  239. Thermal switch?
  240. bad clipping
  241. OPA2604: Worthwhile using better regs than LM317/337?
  242. B&K cs-115 preamp help
  243. Kenwood Model Eleven GX Bulb Replacement
  244. Hiraga woodfront.
  245. Strap a Cap
  246. Which amplifier kit to build
  247. Encapsulated insulated hex freds
  248. need help finding a replacement for a JRC 074D quade fet op amp
  249. Yamaha RX-V390 - Circuit Protection
  250. arcam alpha 10

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