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  1. Finishing a custom made power amp...
  2. aqvox + primare
  3. NAD 3300 Amplifier repair question
  4. Proton AA1660 switch issue
  5. 2sk1058 for class A what should be the max heat dissipation preferred?
  6. need help with crest 2500 poweramp
  7. (ask) ZCA 2sk1058 mosfet amplifier
  8. Threshold SA-1 keep main fuse blown
  9. Two audio schematics-comment?!
  10. SuperA Class AMP "Nataly EA2012"
  11. V.2012 PRO. Composite Audio amplifier
  12. 900W Class H Power Amplifier
  13. PCB for audio ammplifier with mj15003/mj15004
  14. Creek 4240 Volume / channel issue
  15. Peavey PV-500 schenmatics.
  16. output inductor placement idea, does it work
  17. Help with ocillating amplifier !!
  18. What headphone amp to build?
  19. The David N.J.White 100W MOSFET amplifier
  20. "Dumb" Krell Class A Question
  21. Quad 306, an underrated masterpiece?
  22. Yamaha PC-2002M
  23. Marantz 1090 shorted output stage
  24. Audiophiler Capacitor Red compared to any Mundorf Supreme as coupling cap?
  25. curious observation re: Hafler TA-1100
  26. LME49810 minimum safe working voltage not according to the datasheet
  27. Experience with Savoy G3
  28. Rotel RA-840BX3 repair?
  29. Help hooking up transformer
  30. Hafler dh200 2sk134 mosfet transistor
  31. pioneer sx1010 zener diode voltage
  32. Adcom GFA 5400 questions
  33. Measuring Power Amp Output Impedance
  34. Skytec PA-200, smoke and volume not working
  35. NAD 7155 Preamp help needed
  36. cyrus 8v2 with buzz after 2 hours
  37. Wilson-Cfp by Stee
  38. Problem with DC offset and stability
  39. Sansui AU-517 Capacitor Recommendation
  40. Acurus RL11
  41. Kenwood KR-V55r DC present on both channels. A lot.
  42. Pioneer sx 1010 power problem
  43. Onkyo M-504 Upgrade to LED lights? Help!
  44. Subwoofer amp - too much bass!
  45. Help to fix C-Audio GB402 Amplifier
  46. NAD C320 fixed (another protection circuit problem)
  47. If replacing differential input pair; also replace current source transistor?
  48. One single output pair per channel is a good thing ?
  49. Quad 99 system transformer hum
  50. calculating the resistor & capacitor values in class a amplifier
  51. Lots of noise when input is unconnected
  52. Mosfet source follower output impedence
  53. Harman/Kardon 430 - Need help with strange powerup noise
  54. Gallien Krueger 800RB Hi Channel Problem
  55. Transistor heatsink question
  56. lme49810 DC servo circuit.
  57. 300w power amp
  58. What can cause noise in this design?
  59. SYBELIUS 3 plus - ultimate high design
  60. Help repairing Sub AMP
  61. Sansui Diamond Differential PA Simulation and possible build
  62. Krell KV300i input selector board removal
  63. Replacment transistor for hitachi 2sc2b1 ? Its in a Sansui AU 555 A
  64. Yamaha M45 low pwr issue pretty interesting.
  65. Brocken amp..noise like thunder
  66. Rails Decoupled SE Amplifier
  67. DVD/CD output and power amp input specification.
  68. Bose 550 Receiver Has DC on outputs
  69. AEQ model 250 schematic
  70. Transformer coupling instead of cap?
  71. Krell 200S
  72. HH Electronic VX-150 MosFet
  73. Power supply for power amp.
  74. Making a VCO. Design help needed.
  75. DoZ in a Hafler 220? Or. . .?
  76. Roland RE-201 tapeecho improvements
  77. Burmester 933 mk2 Clone from Jims Audio
  78. Harman-Kardon hk6200 repair
  79. Needed - Service Manual For Luxman L-110
  80. Powering front end of amplifier
  81. New Project: The Silver Fox
  82. Dual Diff Amp Question
  83. What can I build with these? 4 pairs of 2SC5200/2SA1943
  84. LM 3915 mode change
  85. Pioneer SX-1080, after re-cap problem w. center voltage & idle current
  86. CFA Enhancements
  87. Peavey PV900 schematics
  88. Power amp ideas.
  89. Got taken on yasmaha m45
  90. Marlboro PA chip conversion question
  91. Diagrams required
  92. Another 100W hifi amp
  93. Repair help needed - Creek Destiny
  94. Power Supply for PGA2310 project
  95. yamaha b1 amp
  96. Parasound HCA-800II and C/PT-600
  97. Peavey Delta Blues Reverb Mod
  98. Help, In need of Service Manual for Cambridge Azur 640A V2
  99. NAD 7250PE Repair From Driving a Shorted Voice Coil?
  100. Need help with college project - Trying to build a 3 stage amp but I'm lost
  101. Digital Attenuator for Balanced Lines?
  102. Onkyo R1 AV amp
  103. GFA 5503 Bias adjustment
  104. Onkyo Dynamic Four 800 - Schematic for modification
  105. yamaha A-1020 amp
  106. Changing my old VFA designs into ONE-BEND CFA plus Current Drives
  107. H/K Citation Sixteen Parts
  108. Rotel Rb890 hum on one Channel
  109. Sansui AU555-A D001/D002 replacment diode?
  110. Diamond Wilson CFP - Roger Amp
  111. DIY Buffer Pre Amplifier with phono stage
  112. Single ended class a build. noob question
  113. Experimentations on Regulators
  114. Perfect Stranger - Innovative Amplifier
  115. Pioneer amp board with IC drivers.
  116. Technics SA-80 distorted right channel
  117. Please help educate - T300 & VSSA level matching
  118. transformer amplifier zero feedback
  119. What do these resistors do? :(
  120. Watercooled HEXFET Power Amplifier
  121. A simple question about performance
  122. bridge adapter
  123. CROWN DC-300A SERIES II RESTORATION
  124. OLDER PIONEER PREMIER Specific Amp line
  125. Resurrecting a BGW 750B
  126. Op-amp swapping MC330789 to OPA627
  127. Sudgen p28 Bias current
  128. Rotel service manual biasing...
  129. My Blameless
  130. Amber Series 70 Fuses
  131. Bi-Pak AL60
  132. yamaha M35 amp led meter
  133. Yamaha M45 amp led circuit schematic
  134. Does this amplified topology have a name
  135. The affect of mismatched impedance
  136. Acurus A150
  137. trace acoustic ta100r repair help
  138. New to forum - Buzzing noise
  139. resistor colour code
  140. help!!!!
  141. Arcam Alpha 10 overheating issues
  142. TEAC AG 4200 relays?
  143. Unique CFA 120/230W amp
  144. Direct NFB Pure Amplifier 2
  145. Crimson CS 620D
  146. Sansui 350
  147. Driving a 4-8R speaker with a single transistor Class A amp?
  148. Turbo 225 amplifier (SGS)
  149. excelinear 2014
  150. CFP OUTPUT 100W*2 MX100 MY design
  151. Amp starts humming when volume pot is attached
  152. Cannot get 2SK170 2SJ74 Spice model to pass more than 0.4mA
  153. Second opinions on balanced inputs
  154. Availability of "current-drive" amplifiers as commercial products
  155. Amp with unfamiliar input stage - DC offset problem
  156. 2SJ118/2SK413 schematics
  157. Making a bipolar electrolytic capacitor
  158. Sap Transistors?
  159. Twisting transformer secondary's
  160. Adcom gfa-555ii killed my speakers
  161. Crown DC-300A No Mono/Dual Switch
  162. Repairing surround channels on a Marantz RS3559
  163. Behringer GM110
  164. can I have 5 m cable, quad 35 to 405 amp
  165. NAD 3125 Circuit Diagram
  166. pioneer stereo reciever sx-1080
  167. common value of output stage noise in uV?
  168. Dynacord L2400 output board schematic
  169. Bryston 3B Restoration problems
  170. Protect Headphone Amplifier Output from Accidental Arcing of Electrostatic Driver
  171. Prototype Printed Circuit Board vendors
  172. Where to find Toshiba Semiconductors today (2SK389, 2SJ109, 2SK170, etc?
  173. Musical Fidelity A1000
  174. Parasound 2250 Amp Schematics?
  175. Crown Macro Reference Bias calibration
  176. DC blocking caps in modern amplifiers?
  177. Replacing capacitors in the tuner area
  178. Source of 680nF 2% caps.
  179. first amplifier build. will my schematic work?
  180. kenwood basic M2 problem
  181. Looking for Soundcraft Spirit FX8 Schematic/Info
  182. Which combinations of transistors should thermally track
  183. Technics SA-300: dead FM tuner
  184. Krell KMA-160 schematic and biasing info needed
  185. MCU from NAD T-752
  186. gemini vintage amp need info please
  187. Help with TeddyReg
  188. NAD S300 normal operating temperature?
  189. Harmon Kardon HK650
  190. MARK LEVINSON 33X series caps..Whats best???
  191. Adding a second input channel to my diy amp. how to?
  192. Circuit for a 2.1 system?
  193. Bush Amplifier Distorted.
  194. Yamaha CA 510 Meter lights
  195. Amps' power - which is real the bottleneck ?
  196. Sansui AU 555a One dead channel ? No power ?
  197. Pioneer SA-610 mods to improve sound quality
  198. Honeybadger or Gainclone?
  199. It seems I only use 1W of amp power.. Can it be right?
  200. Increasing slew rate and stability
  201. The most bizzare problem I have come across
  202. Aragon 8008 x 3 blew my woofers?
  203. Phase Linear
  204. Yamaha M-85 Bias Voltage Does Not Increase In "Auto A" Switch Position
  205. Rather simple high quality reference amp (~200W @ 4 ohm, VFA)
  206. What is Monaural, Dual mono, stereo in fact?
  207. Why does CFP output require much less bias than EF?
  208. No Input Select at Kenwood's Integrated Amp A-1001
  209. Quad 405 - DCD–Mod4 (Keith Snook)
  210. output transformer for multiple amps
  211. Connecting amplifier chasis to earth ground, but not amplifier ground
  212. QSC1700
  213. Pioneer SA-610 - bypass the Pre-amp stage?
  214. Upgrading Transistors?
  215. Toroid Field being picked up by input transformer. Way to block this?
  216. free bryston 4b resurrection
  217. 2SA798
  218. universal Jfet source follower
  219. Amp advice prior to purchase -
  220. Which amp shall I build?
  221. Audio transformer (LT700) behaviour [newb]
  222. homemade amplifier
  223. Sansui R-70 bias
  224. Kenwood KA5700
  225. A question about a Linar 10 amp
  226. OP Amp oscillator sine wave too sharp
  227. tectronic SA-535
  228. A dive into the past
  229. Hafler 9303 transformer
  230. Debug my hum
  231. Transistors
  232. Yamaha rx-v373 making me pull my hair out!
  233. Servicing an amp: fuses, regulators, emitter resistors
  234. Pro Amplifier hum
  235. Pioneer Power Amplifier GM-6300T, No Output
  236. Storage of a vintage receiver
  237. project idea. custom amp board in old receiver
  238. Strange problems with transistors
  239. Newbie working with a IRS2092
  240. Ampzilla 2000
  241. Simple repair for a subwoofer amplifier? (ASW3000)
  242. Speaker Impedance - Class A Current
  243. 2SK216/2SJ79 Spice models for Multisim?
  244. News. Three-band repeater with a crossover in the economy class A.
  245. Commercial Solid State Amps with jumper controlled Modes "without NFB" and "with NFB"
  246. Yamaha CA 510
  247. KSA-250 changing mains voltage
  248. "Vintage" Rotel RX-875 Troubleshooting
  249. Luxman L100 muting circuit
  250. Replacement remote for HK6350R

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