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  1. Forte Model 1 hum
  2. Multichannel amplifier internal ground loop
  3. Improving LME49810 Amplifier by Using Cascode VAS
  4. Luxman M-120a intermittent problem
  5. Sony Str-db940
  6. DC coupled line preamp kit
  7. Classe DR-9 Big Bang Theory
  8. Replacing a PNP with a NPN in a output pair
  9. Onkyo M-504 no servo light
  10. Low noise regulators for 2014?
  11. How to convert 2sa &2sc transistors to current transistors??
  12. Strange transformer test results
  13. Audionics CC-2 with a buzz
  14. On-Board Guitar Pickup Preamp: Op-Amp Choice?
  15. A Low Distortion Amplifier Based on a "Tandem" Correction Scheme Powered by a Modifie
  16. Peavey Series 300 mixer/amp scehamtics
  17. Peavey Renown 112 schematics
  18. Low Noise opamps for 2014?
  19. VAS current limit for Blameless Amp
  20. 12V fan replace 24V?
  21. peavey pv2600 dc kick on power off
  22. need to build guitar pre-amp
  23. unstable DC offset
  24. 100W Class B amplifier project
  25. NAD 3240PE schematic - READABLE!
  26. Clipping indicator problems
  27. GFA 535 Input Sens & Preamp Output Voltage
  28. To reask a question that's been asked a million times, any harm in leaving your class
  29. !!!problem in increasing voltage capacity in power amplifier
  30. Challenge Mark 1B Receiver-Pioneer Clone??
  31. Sony STR-DB940 no sound
  32. aragon 4004 Mk 2 restoration
  33. MX50 amplifier compensation tuning
  34. Crundh bmx1000
  35. Sony TA-FB940R problem
  36. Power transistors in Luxman L-430
  37. Need help diagnosing amplifier fault (oscilloscope examples inside)
  38. Luxman C-120a Volume Pot extra terminals?
  39. Technics SA-EX 300
  40. Crown XLS 602 ( D series )
  41. Do amps without gnfb ring into capacitive loads
  42. ZCA amplifier DC Servo any possibilities?
  43. Rotel RA04 SE,Service Manual/Schematic
  44. NAD C370 Diagnosis / Repair Help
  45. IRF610 SRPP (THD=.35%@1W)
  46. Hiraga 30W.
  47. Simple op-amp question
  48. Laney AH200
  49. Fisher 220T needs help...
  50. B&K ST-202+ hum
  51. Ferrograph F307
  52. Bias and ultimate phase
  53. GainWire-CLASS-A-poweramp NGFB
  54. What about this amplifier?
  55. Yamaha M-4 popping noise and level fluctuations
  56. About preamp out - amp in matching.
  57. conterpoint NPS-100E help
  58. carver ca400
  59. Pioneer SX838 has hot components on power supply board
  60. BG7 v4.2 - my own blame
  61. Spirit Folio F1 14:2 No XLR Output?
  62. NAD power ratings?
  63. Who has the strange/earliest version of Mcintosh MC250 schematic?
  64. AB class amplifier in LTspice
  65. Blown capacitor, symptom or cause?
  66. Sansui noisey controls
  67. I need a mono preamp
  68. Hiraga amplifier Mosfet insulation
  69. IRF511 Simple SRPP mosfet amplifier circuit
  70. Peavey PV900 voltage measurements
  71. Hybrid single-ended digital input.
  72. Possible DC on output of my pre-amp?
  73. Bias pots keep rising?
  74. A.S.P. - Autonomous Speaker Protection system
  75. audio analogue maestro cd mk1
  76. Need help with Denon AVR 1909
  77. Loudspeaker-Amplifier Interaction
  78. Need help with a Rotel RA-970BX
  79. Strange slight hum + noise issue
  80. SS Class A Input/Output AC-coupling caps: How big = too big?
  81. Audiosector LM3875 Amplifier Help! / Questions
  82. Cree CMF10120D
  83. Calculating current draw of SS Class A amp
  84. B&K amplifier ST140
  85. Voltage Regulator 'CV/ABV'
  86. RJM Audio R40 (make fun of my amp)
  87. monacor sta-500 schematic
  88. Schematic Monacor sta-500
  89. Electrocompaniet power amp repair
  90. Searching fro Proton 1100 Preamp
  91. Very simple quasi complimentary MOSFET amplifier
  92. subwoofer amplifier with 2sa1943&2sc5200
  93. Rotel RA-04: There is still sound even volume control is turned to zero.
  94. Simple class b amplifier problem
  95. Home theater subwoofer input board question
  96. Luxman LV-105u MOSFET upgrade success
  97. UA Solo-110 Regulator Problem
  98. Little dual mono... Any ideas?
  99. COUNTERPOINT NPS-100 BIAS
  100. Advice for new DIY Ampli
  101. modifying a Sanyo JCX-2600K
  102. Re-Capping Luxman M-120a Power Amp Advice sought
  103. Mark Levinson 23.5 bias procedure
  104. Recommend me a project.
  105. Opamp based power amp
  106. 25wpc mosfet mapl-in kit wipes floor with 2 x cambridge A60 biamp
  107. solid state plate amp KIT
  108. Just an observation about voltage swing in actively crossed-over tweeters.
  109. dirkwright line stage preamp
  110. Sought expert advice on my amplifier circuit
  111. Smokin' Marantz SR1000
  112. conterpoint NPS-100
  113. Dx Amplifiers, all models will be shown here
  114. A more efficient class A output stage
  115. Musical Fidelity A1 Channel Imbalance
  116. Headphone amp - POP sound will powering ON and OFF
  117. Multi pack smd/tht input transistos
  118. The many versions of the NE5532 and it is confusing!
  119. Quad 34 on/off switch. Desperate.
  120. Are Proton AA1660 amplifier still available?
  121. Recap with Reason: Sony TA-N80ES Amplifier Refurbishing Project
  122. Output power - high voltage or high current?
  123. Faulty JVC MX-GC5
  124. NAD 1300 - Problem with static
  125. voltage doubler for TPS7A4700
  126. Ultra Low noise voltage regulator IC till 80Volts?
  127. NAD amplifier disabling Power Envelope circuit
  128. STR-DN1000 power-up problem
  129. What solved the problem...
  130. Kenwood Ka-2600
  131. Rotel RA840BX service
  132. Finishing a custom made power amp...
  133. aqvox + primare
  134. NAD 3300 Amplifier repair question
  135. Proton AA1660 switch issue
  136. 2sk1058 for class A what should be the max heat dissipation preferred?
  137. need help with crest 2500 poweramp
  138. (ask) ZCA 2sk1058 mosfet amplifier
  139. Threshold SA-1 keep main fuse blown
  140. Two audio schematics-comment?!
  141. SuperA Class AMP "Nataly EA2012"
  142. V.2012 PRO. Composite Audio amplifier
  143. 900W Class H Power Amplifier
  144. PCB for audio ammplifier with mj15003/mj15004
  145. Creek 4240 Volume / channel issue
  146. Peavey PV-500 schenmatics.
  147. output inductor placement idea, does it work
  148. Help with ocillating amplifier !!
  149. What headphone amp to build?
  150. The David N.J.White 100W MOSFET amplifier
  151. "Dumb" Krell Class A Question
  152. Quad 306, an underrated masterpiece?
  153. Yamaha PC-2002M
  154. Marantz 1090 shorted output stage
  155. Audiophiler Capacitor Red compared to any Mundorf Supreme as coupling cap?
  156. curious observation re: Hafler TA-1100
  157. LME49810 minimum safe working voltage not according to the datasheet
  158. Experience with Savoy G3
  159. Rotel RA-840BX3 repair?
  160. Help hooking up transformer
  161. Hafler dh200 2sk134 mosfet transistor
  162. pioneer sx1010 zener diode voltage
  163. Adcom GFA 5400 questions
  164. Measuring Power Amp Output Impedance
  165. Skytec PA-200, smoke and volume not working
  166. NAD 7155 Preamp help needed
  167. cyrus 8v2 with buzz after 2 hours
  168. Wilson-Cfp by Stee
  169. Problem with DC offset and stability
  170. Sansui AU-517 Capacitor Recommendation
  171. Acurus RL11
  172. Kenwood KR-V55r DC present on both channels. A lot.
  173. Pioneer sx 1010 power problem
  174. Onkyo M-504 Upgrade to LED lights? Help!
  175. Subwoofer amp - too much bass!
  176. Help to fix C-Audio GB402 Amplifier
  177. NAD C320 fixed (another protection circuit problem)
  178. If replacing differential input pair; also replace current source transistor?
  179. One single output pair per channel is a good thing ?
  180. Quad 99 system transformer hum
  181. calculating the resistor & capacitor values in class a amplifier
  182. Lots of noise when input is unconnected
  183. Mosfet source follower output impedence
  184. Harman/Kardon 430 - Need help with strange powerup noise
  185. Gallien Krueger 800RB Hi Channel Problem
  186. Transistor heatsink question
  187. lme49810 DC servo circuit.
  188. 300w power amp
  189. What can cause noise in this design?
  190. SYBELIUS 3 plus - ultimate high design
  191. Help repairing Sub AMP
  192. Sansui Diamond Differential PA Simulation and possible build
  193. Krell KV300i input selector board removal
  194. Replacment transistor for hitachi 2sc2b1 ? Its in a Sansui AU 555 A
  195. Yamaha M45 low pwr issue pretty interesting.
  196. Brocken amp..noise like thunder
  197. Rails Decoupled SE Amplifier
  198. DVD/CD output and power amp input specification.
  199. Bose 550 Receiver Has DC on outputs
  200. AEQ model 250 schematic
  201. Transformer coupling instead of cap?
  202. Krell 200S
  203. HH Electronic VX-150 MosFet
  204. Power supply for power amp.
  205. Making a VCO. Design help needed.
  206. DoZ in a Hafler 220? Or. . .?
  207. Roland RE-201 tapeecho improvements
  208. Burmester 933 mk2 Clone from Jims Audio
  209. Harman-Kardon hk6200 repair
  210. Needed - Service Manual For Luxman L-110
  211. Powering front end of amplifier
  212. New Project: The Silver Fox
  213. Dual Diff Amp Question
  214. What can I build with these? 4 pairs of 2SC5200/2SA1943
  215. LM 3915 mode change
  216. Pioneer SX-1080, after re-cap problem w. center voltage & idle current
  217. CFA Enhancements
  218. Peavey PV900 schematics
  219. Power amp ideas.
  220. Got taken on yasmaha m45
  221. Marlboro PA chip conversion question
  222. Diagrams required
  223. Another 100W hifi amp
  224. Repair help needed - Creek Destiny
  225. Power Supply for PGA2310 project
  226. yamaha b1 amp
  227. Parasound HCA-800II and C/PT-600
  228. Peavey Delta Blues Reverb Mod
  229. Help, In need of Service Manual for Cambridge Azur 640A V2
  230. NAD 7250PE Repair From Driving a Shorted Voice Coil?
  231. Need help with college project - Trying to build a 3 stage amp but I'm lost
  232. Digital Attenuator for Balanced Lines?
  233. Onkyo R1 AV amp
  234. GFA 5503 Bias adjustment
  235. Onkyo Dynamic Four 800 - Schematic for modification
  236. yamaha A-1020 amp
  237. Changing my old VFA designs into ONE-BEND CFA plus Current Drives
  238. H/K Citation Sixteen Parts
  239. Rotel Rb890 hum on one Channel
  240. Sansui AU555-A D001/D002 replacment diode?
  241. Diamond Wilson CFP - Roger Amp
  242. DIY Buffer Pre Amplifier with phono stage
  243. Single ended class a build. noob question
  244. Experimentations on Regulators
  245. Perfect Stranger - Innovative Amplifier
  246. Pioneer amp board with IC drivers.
  247. Technics SA-80 distorted right channel
  248. Please help educate - T300 & VSSA level matching
  249. transformer amplifier zero feedback
  250. What do these resistors do? :(

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