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

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