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  1. Denon AVR-3200
  2. Easy DIY Class-H using Class-AB&D in BTL
  3. 2sk1058 or Exicon lateral mosfets?
  4. not sure what this is
  5. Improvement in VAS
  6. DIY includes repair? NAD 3240PE advice needed...
  7. What amp could I build with 600VA 2x61V AC transformers?
  8. Tangent Amp50 - need help with power supply
  9. RC4558 I-mA max? non inverting
  10. 2SA1302 / 2SC3281 replacement
  11. ground bridge
  12. Some people loves a challenge ....
  13. how much bias you use for 2sc5200 1943 pair for class AB?
  14. Pros and Cons of MOSFET VAS
  15. Major RS 8020 schematic
  16. Unable to find upc1237 any sources please?
  17. Tapco J800
  18. Forte Model 1 hum
  19. Multichannel amplifier internal ground loop
  20. Improving LME49810 Amplifier by Using Cascode VAS
  21. Luxman M-120a intermittent problem
  22. Sony Str-db940
  23. DC coupled line preamp kit
  24. Classe DR-9 Big Bang Theory
  25. Replacing a PNP with a NPN in a output pair
  26. Onkyo M-504 no servo light
  27. Low noise regulators for 2014?
  28. How to convert 2sa &2sc transistors to current transistors??
  29. Strange transformer test results
  30. Audionics CC-2 with a buzz
  31. A Low Distortion Amplifier Based on a "Tandem" Correction Scheme Powered by a Modifie
  32. Low Noise opamps for 2014?
  33. VAS current limit for Blameless Amp
  34. 12V fan replace 24V?
  35. unstable DC offset
  36. 100W Class B amplifier project
  37. NAD 3240PE schematic - READABLE!
  38. Clipping indicator problems
  39. GFA 535 Input Sens & Preamp Output Voltage
  40. To reask a question that's been asked a million times, any harm in leaving your class
  41. !!!problem in increasing voltage capacity in power amplifier
  42. Challenge Mark 1B Receiver-Pioneer Clone??
  43. Sony STR-DB940 no sound
  44. aragon 4004 Mk 2 restoration
  45. MX50 amplifier compensation tuning
  46. Crundh bmx1000
  47. Sony TA-FB940R problem
  48. Power transistors in Luxman L-430
  49. Need help diagnosing amplifier fault (oscilloscope examples inside)
  50. Luxman C-120a Volume Pot extra terminals?
  51. Technics SA-EX 300
  52. Crown XLS 602 ( D series )
  53. Do amps without gnfb ring into capacitive loads
  54. ZCA amplifier DC Servo any possibilities?
  55. Rotel RA04 SE,Service Manual/Schematic
  56. NAD C370 Diagnosis / Repair Help
  57. IRF610 SRPP (THD=.35%@1W)
  58. Hiraga 30W.
  59. Simple op-amp question
  60. Laney AH200
  61. Fisher 220T needs help...
  62. B&K ST-202+ hum
  63. Ferrograph F307
  64. Bias and ultimate phase
  65. GainWire-CLASS-A-poweramp NGFB
  66. What about this amplifier?
  67. Yamaha M-4 popping noise and level fluctuations
  68. About preamp out - amp in matching.
  69. conterpoint NPS-100E help
  70. carver ca400
  71. Pioneer SX838 has hot components on power supply board
  72. BG7 v4.2 - my own blame
  73. Spirit Folio F1 14:2 No XLR Output?
  74. NAD power ratings?
  75. Who has the strange/earliest version of Mcintosh MC250 schematic?
  76. AB class amplifier in LTspice
  77. Blown capacitor, symptom or cause?
  78. Sansui noisey controls
  79. I need a mono preamp
  80. Hiraga amplifier Mosfet insulation
  81. IRF511 Simple SRPP mosfet amplifier circuit
  82. Hybrid single-ended digital input.
  83. Possible DC on output of my pre-amp?
  84. Bias pots keep rising?
  85. A.S.P. - Autonomous Speaker Protection system
  86. audio analogue maestro cd mk1
  87. Need help with Denon AVR 1909
  88. Loudspeaker-Amplifier Interaction
  89. Need help with a Rotel RA-970BX
  90. Strange slight hum + noise issue
  91. SS Class A Input/Output AC-coupling caps: How big = too big?
  92. Audiosector LM3875 Amplifier Help! / Questions
  93. Cree CMF10120D
  94. Calculating current draw of SS Class A amp
  95. B&K amplifier ST140
  96. Voltage Regulator 'CV/ABV'
  97. RJM Audio R40 (make fun of my amp)
  98. monacor sta-500 schematic
  99. Schematic Monacor sta-500
  100. Electrocompaniet power amp repair
  101. Searching fro Proton 1100 Preamp
  102. Very simple quasi complimentary MOSFET amplifier
  103. subwoofer amplifier with 2sa1943&2sc5200
  104. Rotel RA-04: There is still sound even volume control is turned to zero.
  105. Simple class b amplifier problem
  106. Home theater subwoofer input board question
  107. Luxman LV-105u MOSFET upgrade success
  108. UA Solo-110 Regulator Problem
  109. Little dual mono... Any ideas?
  110. COUNTERPOINT NPS-100 BIAS
  111. Advice for new DIY Ampli
  112. modifying a Sanyo JCX-2600K
  113. Re-Capping Luxman M-120a Power Amp Advice sought
  114. Mark Levinson 23.5 bias procedure
  115. Recommend me a project.
  116. Opamp based power amp
  117. 25wpc mosfet mapl-in kit wipes floor with 2 x cambridge A60 biamp
  118. solid state plate amp KIT
  119. Just an observation about voltage swing in actively crossed-over tweeters.
  120. dirkwright line stage preamp
  121. Sought expert advice on my amplifier circuit
  122. Smokin' Marantz SR1000
  123. conterpoint NPS-100
  124. Dx Amplifiers, all models will be shown here
  125. A more efficient class A output stage
  126. Musical Fidelity A1 Channel Imbalance
  127. Headphone amp - POP sound will powering ON and OFF
  128. Multi pack smd/tht input transistos
  129. The many versions of the NE5532 and it is confusing!
  130. Quad 34 on/off switch. Desperate.
  131. Are Proton AA1660 amplifier still available?
  132. Recap with Reason: Sony TA-N80ES Amplifier Refurbishing Project
  133. Output power - high voltage or high current?
  134. Faulty JVC MX-GC5
  135. NAD 1300 - Problem with static
  136. voltage doubler for TPS7A4700
  137. Ultra Low noise voltage regulator IC till 80Volts?
  138. NAD amplifier disabling Power Envelope circuit
  139. STR-DN1000 power-up problem
  140. What solved the problem...
  141. Kenwood Ka-2600
  142. Rotel RA840BX service
  143. Finishing a custom made power amp...
  144. aqvox + primare
  145. NAD 3300 Amplifier repair question
  146. Proton AA1660 switch issue
  147. 2sk1058 for class A what should be the max heat dissipation preferred?
  148. need help with crest 2500 poweramp
  149. (ask) ZCA 2sk1058 mosfet amplifier
  150. Threshold SA-1 keep main fuse blown
  151. Two audio schematics-comment?!
  152. SuperA Class AMP "Nataly EA2012"
  153. V.2012 PRO. Composite Audio amplifier
  154. 900W Class H Power Amplifier
  155. PCB for audio ammplifier with mj15003/mj15004
  156. Creek 4240 Volume / channel issue
  157. output inductor placement idea, does it work
  158. Help with ocillating amplifier !!
  159. What headphone amp to build?
  160. The David N.J.White 100W MOSFET amplifier
  161. "Dumb" Krell Class A Question
  162. Quad 306, an underrated masterpiece?
  163. Yamaha PC-2002M
  164. Marantz 1090 shorted output stage
  165. Audiophiler Capacitor Red compared to any Mundorf Supreme as coupling cap?
  166. curious observation re: Hafler TA-1100
  167. LME49810 minimum safe working voltage not according to the datasheet
  168. Experience with Savoy G3
  169. Rotel RA-840BX3 repair?
  170. Help hooking up transformer
  171. Hafler dh200 2sk134 mosfet transistor
  172. pioneer sx1010 zener diode voltage
  173. Adcom GFA 5400 questions
  174. Measuring Power Amp Output Impedance
  175. Skytec PA-200, smoke and volume not working
  176. NAD 7155 Preamp help needed
  177. cyrus 8v2 with buzz after 2 hours
  178. Wilson-Cfp by Stee
  179. Problem with DC offset and stability
  180. Sansui AU-517 Capacitor Recommendation
  181. Acurus RL11
  182. Kenwood KR-V55r DC present on both channels. A lot.
  183. Pioneer sx 1010 power problem
  184. Onkyo M-504 Upgrade to LED lights? Help!
  185. Subwoofer amp - too much bass!
  186. Help to fix C-Audio GB402 Amplifier
  187. NAD C320 fixed (another protection circuit problem)
  188. If replacing differential input pair; also replace current source transistor?
  189. One single output pair per channel is a good thing ?
  190. Quad 99 system transformer hum
  191. calculating the resistor & capacitor values in class a amplifier
  192. Lots of noise when input is unconnected
  193. Mosfet source follower output impedence
  194. Harman/Kardon 430 - Need help with strange powerup noise
  195. Transistor heatsink question
  196. lme49810 DC servo circuit.
  197. 300w power amp
  198. What can cause noise in this design?
  199. SYBELIUS 3 plus - ultimate high design
  200. Help repairing Sub AMP
  201. Sansui Diamond Differential PA Simulation and possible build
  202. Krell KV300i input selector board removal
  203. Replacment transistor for hitachi 2sc2b1 ? Its in a Sansui AU 555 A
  204. Yamaha M45 low pwr issue pretty interesting.
  205. Brocken amp..noise like thunder
  206. Rails Decoupled SE Amplifier
  207. DVD/CD output and power amp input specification.
  208. Bose 550 Receiver Has DC on outputs
  209. AEQ model 250 schematic
  210. Transformer coupling instead of cap?
  211. Krell 200S
  212. HH Electronic VX-150 MosFet
  213. Power supply for power amp.
  214. Making a VCO. Design help needed.
  215. DoZ in a Hafler 220? Or. . .?
  216. Burmester 933 mk2 Clone from Jims Audio
  217. Harman-Kardon hk6200 repair
  218. Needed - Service Manual For Luxman L-110
  219. Powering front end of amplifier
  220. New Project: The Silver Fox
  221. Dual Diff Amp Question
  222. What can I build with these? 4 pairs of 2SC5200/2SA1943
  223. LM 3915 mode change
  224. Pioneer SX-1080, after re-cap problem w. center voltage & idle current
  225. CFA Enhancements
  226. Power amp ideas.
  227. Got taken on yasmaha m45
  228. Marlboro PA chip conversion question
  229. Diagrams required
  230. Another 100W hifi amp
  231. Repair help needed - Creek Destiny
  232. Power Supply for PGA2310 project
  233. yamaha b1 amp
  234. Parasound HCA-800II and C/PT-600
  235. Help, In need of Service Manual for Cambridge Azur 640A V2
  236. NAD 7250PE Repair From Driving a Shorted Voice Coil?
  237. Need help with college project - Trying to build a 3 stage amp but I'm lost
  238. Digital Attenuator for Balanced Lines?
  239. Onkyo R1 AV amp
  240. GFA 5503 Bias adjustment
  241. Onkyo Dynamic Four 800 - Schematic for modification
  242. yamaha A-1020 amp
  243. Changing my old VFA designs into ONE-BEND CFA plus Current Drives
  244. H/K Citation Sixteen Parts
  245. Rotel Rb890 hum on one Channel
  246. Sansui AU555-A D001/D002 replacment diode?
  247. Diamond Wilson CFP - Roger Amp
  248. DIY Buffer Pre Amplifier with phono stage
  249. Single ended class a build. noob question
  250. Experimentations on Regulators

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