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  1. Electrocompaniet power amp repair
  2. Searching fro Proton 1100 Preamp
  3. Very simple quasi complimentary MOSFET amplifier
  4. subwoofer amplifier with 2sa1943&2sc5200
  5. Rotel RA-04: There is still sound even volume control is turned to zero.
  6. Simple class b amplifier problem
  7. Home theater subwoofer input board question
  8. Luxman LV-105u MOSFET upgrade success
  9. UA Solo-110 Regulator Problem
  10. Little dual mono... Any ideas?
  11. COUNTERPOINT NPS-100 BIAS
  12. Advice for new DIY Ampli
  13. modifying a Sanyo JCX-2600K
  14. Re-Capping Luxman M-120a Power Amp Advice sought
  15. Mark Levinson 23.5 bias procedure
  16. Recommend me a project.
  17. Opamp based power amp
  18. 25wpc mosfet mapl-in kit wipes floor with 2 x cambridge A60 biamp
  19. solid state plate amp KIT
  20. Just an observation about voltage swing in actively crossed-over tweeters.
  21. dirkwright line stage preamp
  22. Sought expert advice on my amplifier circuit
  23. Smokin' Marantz SR1000
  24. conterpoint NPS-100
  25. Dx Amplifiers, all models will be shown here
  26. A more efficient class A output stage
  27. Musical Fidelity A1 Channel Imbalance
  28. Headphone amp - POP sound will powering ON and OFF
  29. Multi pack smd/tht input transistos
  30. The many versions of the NE5532 and it is confusing!
  31. Quad 34 on/off switch. Desperate.
  32. Are Proton AA1660 amplifier still available?
  33. Recap with Reason: Sony TA-N80ES Amplifier Refurbishing Project
  34. Output power - high voltage or high current?
  35. Faulty JVC MX-GC5
  36. NAD 1300 - Problem with static
  37. voltage doubler for TPS7A4700
  38. Ultra Low noise voltage regulator IC till 80Volts?
  39. NAD amplifier disabling Power Envelope circuit
  40. STR-DN1000 power-up problem
  41. What solved the problem...
  42. Kenwood Ka-2600
  43. Rotel RA840BX service
  44. Finishing a custom made power amp...
  45. aqvox + primare
  46. NAD 3300 Amplifier repair question
  47. Proton AA1660 switch issue
  48. 2sk1058 for class A what should be the max heat dissipation preferred?
  49. need help with crest 2500 poweramp
  50. (ask) ZCA 2sk1058 mosfet amplifier
  51. Threshold SA-1 keep main fuse blown
  52. Two audio schematics-comment?!
  53. SuperA Class AMP "Nataly EA2012"
  54. V.2012 PRO. Composite Audio amplifier
  55. 900W Class H Power Amplifier
  56. PCB for audio ammplifier with mj15003/mj15004
  57. Creek 4240 Volume / channel issue
  58. Peavey PV-500 schenmatics.
  59. output inductor placement idea, does it work
  60. Help with ocillating amplifier !!
  61. What headphone amp to build?
  62. The David N.J.White 100W MOSFET amplifier
  63. "Dumb" Krell Class A Question
  64. Quad 306, an underrated masterpiece?
  65. Yamaha PC-2002M
  66. Marantz 1090 shorted output stage
  67. Audiophiler Capacitor Red compared to any Mundorf Supreme as coupling cap?
  68. curious observation re: Hafler TA-1100
  69. LME49810 minimum safe working voltage not according to the datasheet
  70. Experience with Savoy G3
  71. Rotel RA-840BX3 repair?
  72. Help hooking up transformer
  73. Hafler dh200 2sk134 mosfet transistor
  74. pioneer sx1010 zener diode voltage
  75. Adcom GFA 5400 questions
  76. Measuring Power Amp Output Impedance
  77. Skytec PA-200, smoke and volume not working
  78. NAD 7155 Preamp help needed
  79. cyrus 8v2 with buzz after 2 hours
  80. Wilson-Cfp by Stee
  81. Problem with DC offset and stability
  82. Sansui AU-517 Capacitor Recommendation
  83. Acurus RL11
  84. Kenwood KR-V55r DC present on both channels. A lot.
  85. Pioneer sx 1010 power problem
  86. Onkyo M-504 Upgrade to LED lights? Help!
  87. Subwoofer amp - too much bass!
  88. Help to fix C-Audio GB402 Amplifier
  89. NAD C320 fixed (another protection circuit problem)
  90. If replacing differential input pair; also replace current source transistor?
  91. One single output pair per channel is a good thing ?
  92. Quad 99 system transformer hum
  93. calculating the resistor & capacitor values in class a amplifier
  94. Lots of noise when input is unconnected
  95. Mosfet source follower output impedence
  96. Harman/Kardon 430 - Need help with strange powerup noise
  97. Gallien Krueger 800RB Hi Channel Problem
  98. Transistor heatsink question
  99. lme49810 DC servo circuit.
  100. 300w power amp
  101. What can cause noise in this design?
  102. SYBELIUS 3 plus - ultimate high design
  103. Help repairing Sub AMP
  104. Sansui Diamond Differential PA Simulation and possible build
  105. Krell KV300i input selector board removal
  106. Replacment transistor for hitachi 2sc2b1 ? Its in a Sansui AU 555 A
  107. Yamaha M45 low pwr issue pretty interesting.
  108. Brocken amp..noise like thunder
  109. Rails Decoupled SE Amplifier
  110. DVD/CD output and power amp input specification.
  111. Bose 550 Receiver Has DC on outputs
  112. AEQ model 250 schematic
  113. Transformer coupling instead of cap?
  114. Krell 200S
  115. HH Electronic VX-150 MosFet
  116. Power supply for power amp.
  117. Making a VCO. Design help needed.
  118. DoZ in a Hafler 220? Or. . .?
  119. Roland RE-201 tapeecho improvements
  120. Burmester 933 mk2 Clone from Jims Audio
  121. Harman-Kardon hk6200 repair
  122. Needed - Service Manual For Luxman L-110
  123. Powering front end of amplifier
  124. New Project: The Silver Fox
  125. Dual Diff Amp Question
  126. What can I build with these? 4 pairs of 2SC5200/2SA1943
  127. LM 3915 mode change
  128. Pioneer SX-1080, after re-cap problem w. center voltage & idle current
  129. CFA Enhancements
  130. Peavey PV900 schematics
  131. Power amp ideas.
  132. Got taken on yasmaha m45
  133. Marlboro PA chip conversion question
  134. Diagrams required
  135. Another 100W hifi amp
  136. Repair help needed - Creek Destiny
  137. Power Supply for PGA2310 project
  138. yamaha b1 amp
  139. Parasound HCA-800II and C/PT-600
  140. Peavey Delta Blues Reverb Mod
  141. Help, In need of Service Manual for Cambridge Azur 640A V2
  142. NAD 7250PE Repair From Driving a Shorted Voice Coil?
  143. Need help with college project - Trying to build a 3 stage amp but I'm lost
  144. Digital Attenuator for Balanced Lines?
  145. Onkyo R1 AV amp
  146. GFA 5503 Bias adjustment
  147. Onkyo Dynamic Four 800 - Schematic for modification
  148. yamaha A-1020 amp
  149. Changing my old VFA designs into ONE-BEND CFA plus Current Drives
  150. H/K Citation Sixteen Parts
  151. Rotel Rb890 hum on one Channel
  152. Sansui AU555-A D001/D002 replacment diode?
  153. Diamond Wilson CFP - Roger Amp
  154. DIY Buffer Pre Amplifier with phono stage
  155. Single ended class a build. noob question
  156. Experimentations on Regulators
  157. Perfect Stranger - Innovative Amplifier
  158. Pioneer amp board with IC drivers.
  159. Technics SA-80 distorted right channel
  160. Please help educate - T300 & VSSA level matching
  161. transformer amplifier zero feedback
  162. What do these resistors do? :(
  163. Watercooled HEXFET Power Amplifier
  164. A simple question about performance
  165. bridge adapter
  166. CROWN DC-300A SERIES II RESTORATION
  167. OLDER PIONEER PREMIER Specific Amp line
  168. Resurrecting a BGW 750B
  169. Op-amp swapping MC330789 to OPA627
  170. Sudgen p28 Bias current
  171. Rotel service manual biasing...
  172. My Blameless
  173. Amber Series 70 Fuses
  174. Bi-Pak AL60
  175. yamaha M35 amp led meter
  176. Yamaha M45 amp led circuit schematic
  177. Does this amplified topology have a name
  178. The affect of mismatched impedance
  179. Acurus A150
  180. trace acoustic ta100r repair help
  181. New to forum - Buzzing noise
  182. resistor colour code
  183. help!!!!
  184. Arcam Alpha 10 overheating issues
  185. TEAC AG 4200 relays?
  186. Unique CFA 120/230W amp
  187. Direct NFB Pure Amplifier 2
  188. Crimson CS 620D
  189. Sansui 350
  190. Driving a 4-8R speaker with a single transistor Class A amp?
  191. Turbo 225 amplifier (SGS)
  192. excelinear 2014
  193. CFP OUTPUT 100W*2 MX100 MY design
  194. Amp starts humming when volume pot is attached
  195. Cannot get 2SK170 2SJ74 Spice model to pass more than 0.4mA
  196. Second opinions on balanced inputs
  197. Availability of "current-drive" amplifiers as commercial products
  198. Amp with unfamiliar input stage - DC offset problem
  199. 2SJ118/2SK413 schematics
  200. Making a bipolar electrolytic capacitor
  201. Sap Transistors?
  202. Twisting transformer secondary's
  203. Adcom gfa-555ii killed my speakers
  204. Crown DC-300A No Mono/Dual Switch
  205. Repairing surround channels on a Marantz RS3559
  206. Behringer GM110
  207. can I have 5 m cable, quad 35 to 405 amp
  208. NAD 3125 Circuit Diagram
  209. pioneer stereo reciever sx-1080
  210. common value of output stage noise in uV?
  211. Dynacord L2400 output board schematic
  212. Bryston 3B Restoration problems
  213. Protect Headphone Amplifier Output from Accidental Arcing of Electrostatic Driver
  214. Prototype Printed Circuit Board vendors
  215. Where to find Toshiba Semiconductors today (2SK389, 2SJ109, 2SK170, etc?
  216. Musical Fidelity A1000
  217. Parasound 2250 Amp Schematics?
  218. Crown Macro Reference Bias calibration
  219. DC blocking caps in modern amplifiers?
  220. Replacing capacitors in the tuner area
  221. Source of 680nF 2% caps.
  222. first amplifier build. will my schematic work?
  223. kenwood basic M2 problem
  224. Looking for Soundcraft Spirit FX8 Schematic/Info
  225. Which combinations of transistors should thermally track
  226. Technics SA-300: dead FM tuner
  227. Krell KMA-160 schematic and biasing info needed
  228. MCU from NAD T-752
  229. gemini vintage amp need info please
  230. Help with TeddyReg
  231. NAD S300 normal operating temperature?
  232. Harmon Kardon HK650
  233. MARK LEVINSON 33X series caps..Whats best???
  234. Adding a second input channel to my diy amp. how to?
  235. Circuit for a 2.1 system?
  236. Bush Amplifier Distorted.
  237. Yamaha CA 510 Meter lights
  238. Amps' power - which is real the bottleneck ?
  239. Sansui AU 555a One dead channel ? No power ?
  240. Pioneer SA-610 mods to improve sound quality
  241. Honeybadger or Gainclone?
  242. It seems I only use 1W of amp power.. Can it be right?
  243. Increasing slew rate and stability
  244. The most bizzare problem I have come across
  245. Aragon 8008 x 3 blew my woofers?
  246. Phase Linear
  247. Yamaha M-85 Bias Voltage Does Not Increase In "Auto A" Switch Position
  248. Rather simple high quality reference amp (~200W @ 4 ohm, VFA)
  249. What is Monaural, Dual mono, stereo in fact?
  250. Why does CFP output require much less bias than EF?

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