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  1. What about this amplifier?
  2. Yamaha M-4 popping noise and level fluctuations
  3. About preamp out - amp in matching.
  4. conterpoint NPS-100E help
  5. carver ca400
  6. Pioneer SX838 has hot components on power supply board
  7. BG7 v4.2 - my own blame
  8. Spirit Folio F1 14:2 No XLR Output?
  9. NAD power ratings?
  10. Who has the strange/earliest version of Mcintosh MC250 schematic?
  11. AB class amplifier in LTspice
  12. Blown capacitor, symptom or cause?
  13. Sansui noisey controls
  14. I need a mono preamp
  15. Hiraga amplifier Mosfet insulation
  16. IRF511 Simple SRPP mosfet amplifier circuit
  17. Peavey PV900 voltage measurements
  18. Hybrid single-ended digital input.
  19. Possible DC on output of my pre-amp?
  20. Bias pots keep rising?
  21. A.S.P. - Autonomous Speaker Protection system
  22. audio analogue maestro cd mk1
  23. Need help with Denon AVR 1909
  24. Loudspeaker-Amplifier Interaction
  25. Need help with a Rotel RA-970BX
  26. Strange slight hum + noise issue
  27. SS Class A Input/Output AC-coupling caps: How big = too big?
  28. Audiosector LM3875 Amplifier Help! / Questions
  29. Cree CMF10120D
  30. Calculating current draw of SS Class A amp
  31. B&K amplifier ST140
  32. Voltage Regulator 'CV/ABV'
  33. RJM Audio R40 (make fun of my amp)
  34. monacor sta-500 schematic
  35. Schematic Monacor sta-500
  36. Electrocompaniet power amp repair
  37. Searching fro Proton 1100 Preamp
  38. Very simple quasi complimentary MOSFET amplifier
  39. subwoofer amplifier with 2sa1943&2sc5200
  40. Rotel RA-04: There is still sound even volume control is turned to zero.
  41. Simple class b amplifier problem
  42. Home theater subwoofer input board question
  43. Luxman LV-105u MOSFET upgrade success
  44. UA Solo-110 Regulator Problem
  45. Little dual mono... Any ideas?
  46. COUNTERPOINT NPS-100 BIAS
  47. Advice for new DIY Ampli
  48. modifying a Sanyo JCX-2600K
  49. Re-Capping Luxman M-120a Power Amp Advice sought
  50. Mark Levinson 23.5 bias procedure
  51. Recommend me a project.
  52. Opamp based power amp
  53. 25wpc mosfet mapl-in kit wipes floor with 2 x cambridge A60 biamp
  54. solid state plate amp KIT
  55. Just an observation about voltage swing in actively crossed-over tweeters.
  56. dirkwright line stage preamp
  57. Sought expert advice on my amplifier circuit
  58. Smokin' Marantz SR1000
  59. conterpoint NPS-100
  60. Dx Amplifiers, all models will be shown here
  61. A more efficient class A output stage
  62. Musical Fidelity A1 Channel Imbalance
  63. Headphone amp - POP sound will powering ON and OFF
  64. Multi pack smd/tht input transistos
  65. The many versions of the NE5532 and it is confusing!
  66. Quad 34 on/off switch. Desperate.
  67. Are Proton AA1660 amplifier still available?
  68. Recap with Reason: Sony TA-N80ES Amplifier Refurbishing Project
  69. Output power - high voltage or high current?
  70. Faulty JVC MX-GC5
  71. NAD 1300 - Problem with static
  72. voltage doubler for TPS7A4700
  73. Ultra Low noise voltage regulator IC till 80Volts?
  74. NAD amplifier disabling Power Envelope circuit
  75. STR-DN1000 power-up problem
  76. What solved the problem...
  77. Kenwood Ka-2600
  78. Rotel RA840BX service
  79. Finishing a custom made power amp...
  80. aqvox + primare
  81. NAD 3300 Amplifier repair question
  82. Proton AA1660 switch issue
  83. 2sk1058 for class A what should be the max heat dissipation preferred?
  84. need help with crest 2500 poweramp
  85. (ask) ZCA 2sk1058 mosfet amplifier
  86. Threshold SA-1 keep main fuse blown
  87. Two audio schematics-comment?!
  88. SuperA Class AMP "Nataly EA2012"
  89. V.2012 PRO. Composite Audio amplifier
  90. 900W Class H Power Amplifier
  91. PCB for audio ammplifier with mj15003/mj15004
  92. Creek 4240 Volume / channel issue
  93. Peavey PV-500 schenmatics.
  94. output inductor placement idea, does it work
  95. Help with ocillating amplifier !!
  96. What headphone amp to build?
  97. The David N.J.White 100W MOSFET amplifier
  98. "Dumb" Krell Class A Question
  99. Quad 306, an underrated masterpiece?
  100. Yamaha PC-2002M
  101. Marantz 1090 shorted output stage
  102. Audiophiler Capacitor Red compared to any Mundorf Supreme as coupling cap?
  103. curious observation re: Hafler TA-1100
  104. LME49810 minimum safe working voltage not according to the datasheet
  105. Experience with Savoy G3
  106. Rotel RA-840BX3 repair?
  107. Help hooking up transformer
  108. Hafler dh200 2sk134 mosfet transistor
  109. pioneer sx1010 zener diode voltage
  110. Adcom GFA 5400 questions
  111. Measuring Power Amp Output Impedance
  112. Skytec PA-200, smoke and volume not working
  113. NAD 7155 Preamp help needed
  114. cyrus 8v2 with buzz after 2 hours
  115. Wilson-Cfp by Stee
  116. Problem with DC offset and stability
  117. Sansui AU-517 Capacitor Recommendation
  118. Acurus RL11
  119. Kenwood KR-V55r DC present on both channels. A lot.
  120. Pioneer sx 1010 power problem
  121. Onkyo M-504 Upgrade to LED lights? Help!
  122. Subwoofer amp - too much bass!
  123. Help to fix C-Audio GB402 Amplifier
  124. NAD C320 fixed (another protection circuit problem)
  125. If replacing differential input pair; also replace current source transistor?
  126. One single output pair per channel is a good thing ?
  127. Quad 99 system transformer hum
  128. calculating the resistor & capacitor values in class a amplifier
  129. Lots of noise when input is unconnected
  130. Mosfet source follower output impedence
  131. Harman/Kardon 430 - Need help with strange powerup noise
  132. Gallien Krueger 800RB Hi Channel Problem
  133. Transistor heatsink question
  134. lme49810 DC servo circuit.
  135. 300w power amp
  136. What can cause noise in this design?
  137. SYBELIUS 3 plus - ultimate high design
  138. Help repairing Sub AMP
  139. Sansui Diamond Differential PA Simulation and possible build
  140. Krell KV300i input selector board removal
  141. Replacment transistor for hitachi 2sc2b1 ? Its in a Sansui AU 555 A
  142. Yamaha M45 low pwr issue pretty interesting.
  143. Brocken amp..noise like thunder
  144. Rails Decoupled SE Amplifier
  145. DVD/CD output and power amp input specification.
  146. Bose 550 Receiver Has DC on outputs
  147. AEQ model 250 schematic
  148. Transformer coupling instead of cap?
  149. Krell 200S
  150. HH Electronic VX-150 MosFet
  151. Power supply for power amp.
  152. Making a VCO. Design help needed.
  153. DoZ in a Hafler 220? Or. . .?
  154. Roland RE-201 tapeecho improvements
  155. Burmester 933 mk2 Clone from Jims Audio
  156. Harman-Kardon hk6200 repair
  157. Needed - Service Manual For Luxman L-110
  158. Powering front end of amplifier
  159. New Project: The Silver Fox
  160. Dual Diff Amp Question
  161. What can I build with these? 4 pairs of 2SC5200/2SA1943
  162. LM 3915 mode change
  163. Pioneer SX-1080, after re-cap problem w. center voltage & idle current
  164. CFA Enhancements
  165. Peavey PV900 schematics
  166. Power amp ideas.
  167. Got taken on yasmaha m45
  168. Marlboro PA chip conversion question
  169. Diagrams required
  170. Another 100W hifi amp
  171. Repair help needed - Creek Destiny
  172. Power Supply for PGA2310 project
  173. yamaha b1 amp
  174. Parasound HCA-800II and C/PT-600
  175. Peavey Delta Blues Reverb Mod
  176. Help, In need of Service Manual for Cambridge Azur 640A V2
  177. NAD 7250PE Repair From Driving a Shorted Voice Coil?
  178. Need help with college project - Trying to build a 3 stage amp but I'm lost
  179. Digital Attenuator for Balanced Lines?
  180. Onkyo R1 AV amp
  181. GFA 5503 Bias adjustment
  182. Onkyo Dynamic Four 800 - Schematic for modification
  183. yamaha A-1020 amp
  184. Changing my old VFA designs into ONE-BEND CFA plus Current Drives
  185. H/K Citation Sixteen Parts
  186. Rotel Rb890 hum on one Channel
  187. Sansui AU555-A D001/D002 replacment diode?
  188. Diamond Wilson CFP - Roger Amp
  189. DIY Buffer Pre Amplifier with phono stage
  190. Single ended class a build. noob question
  191. Experimentations on Regulators
  192. Perfect Stranger - Innovative Amplifier
  193. Pioneer amp board with IC drivers.
  194. Technics SA-80 distorted right channel
  195. Please help educate - T300 & VSSA level matching
  196. transformer amplifier zero feedback
  197. What do these resistors do? :(
  198. Watercooled HEXFET Power Amplifier
  199. A simple question about performance
  200. bridge adapter
  201. CROWN DC-300A SERIES II RESTORATION
  202. OLDER PIONEER PREMIER Specific Amp line
  203. Resurrecting a BGW 750B
  204. Op-amp swapping MC330789 to OPA627
  205. Sudgen p28 Bias current
  206. Rotel service manual biasing...
  207. My Blameless
  208. Amber Series 70 Fuses
  209. Bi-Pak AL60
  210. yamaha M35 amp led meter
  211. Yamaha M45 amp led circuit schematic
  212. Does this amplified topology have a name
  213. The affect of mismatched impedance
  214. Acurus A150
  215. trace acoustic ta100r repair help
  216. New to forum - Buzzing noise
  217. resistor colour code
  218. help!!!!
  219. Arcam Alpha 10 overheating issues
  220. TEAC AG 4200 relays?
  221. Unique CFA 120/230W amp
  222. Direct NFB Pure Amplifier 2
  223. Crimson CS 620D
  224. Sansui 350
  225. Driving a 4-8R speaker with a single transistor Class A amp?
  226. Turbo 225 amplifier (SGS)
  227. excelinear 2014
  228. CFP OUTPUT 100W*2 MX100 MY design
  229. Amp starts humming when volume pot is attached
  230. Cannot get 2SK170 2SJ74 Spice model to pass more than 0.4mA
  231. Second opinions on balanced inputs
  232. Availability of "current-drive" amplifiers as commercial products
  233. Amp with unfamiliar input stage - DC offset problem
  234. 2SJ118/2SK413 schematics
  235. Making a bipolar electrolytic capacitor
  236. Sap Transistors?
  237. Twisting transformer secondary's
  238. Adcom gfa-555ii killed my speakers
  239. Crown DC-300A No Mono/Dual Switch
  240. Repairing surround channels on a Marantz RS3559
  241. Behringer GM110
  242. can I have 5 m cable, quad 35 to 405 amp
  243. NAD 3125 Circuit Diagram
  244. pioneer stereo reciever sx-1080
  245. common value of output stage noise in uV?
  246. Dynacord L2400 output board schematic
  247. Bryston 3B Restoration problems
  248. Protect Headphone Amplifier Output from Accidental Arcing of Electrostatic Driver
  249. Prototype Printed Circuit Board vendors
  250. Where to find Toshiba Semiconductors today (2SK389, 2SJ109, 2SK170, etc?

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