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  1. Crundh bmx1000
  2. Sony TA-FB940R problem
  3. Power transistors in Luxman L-430
  4. Need help diagnosing amplifier fault (oscilloscope examples inside)
  5. Luxman C-120a Volume Pot extra terminals?
  6. Technics SA-EX 300
  7. Crown XLS 602 ( D series )
  8. Do amps without gnfb ring into capacitive loads
  9. ZCA amplifier DC Servo any possibilities?
  10. Rotel RA04 SE,Service Manual/Schematic
  11. NAD C370 Diagnosis / Repair Help
  12. IRF610 SRPP (THD=.35%@1W)
  13. Hiraga 30W.
  14. Simple op-amp question
  15. Laney AH200
  16. Fisher 220T needs help...
  17. B&K ST-202+ hum
  18. Ferrograph F307
  19. Bias and ultimate phase
  20. GainWire-CLASS-A-poweramp NGFB
  21. What about this amplifier?
  22. Yamaha M-4 popping noise and level fluctuations
  23. About preamp out - amp in matching.
  24. conterpoint NPS-100E help
  25. carver ca400
  26. Pioneer SX838 has hot components on power supply board
  27. BG7 v4.2 - my own blame
  28. Spirit Folio F1 14:2 No XLR Output?
  29. NAD power ratings?
  30. Who has the strange/earliest version of Mcintosh MC250 schematic?
  31. AB class amplifier in LTspice
  32. Blown capacitor, symptom or cause?
  33. Sansui noisey controls
  34. I need a mono preamp
  35. Hiraga amplifier Mosfet insulation
  36. IRF511 Simple SRPP mosfet amplifier circuit
  37. Peavey PV900 voltage measurements
  38. Hybrid single-ended digital input.
  39. Possible DC on output of my pre-amp?
  40. Bias pots keep rising?
  41. A.S.P. - Autonomous Speaker Protection system
  42. audio analogue maestro cd mk1
  43. Need help with Denon AVR 1909
  44. Loudspeaker-Amplifier Interaction
  45. Need help with a Rotel RA-970BX
  46. Strange slight hum + noise issue
  47. SS Class A Input/Output AC-coupling caps: How big = too big?
  48. Audiosector LM3875 Amplifier Help! / Questions
  49. Cree CMF10120D
  50. Calculating current draw of SS Class A amp
  51. B&K amplifier ST140
  52. Voltage Regulator 'CV/ABV'
  53. RJM Audio R40 (make fun of my amp)
  54. monacor sta-500 schematic
  55. Schematic Monacor sta-500
  56. Electrocompaniet power amp repair
  57. Searching fro Proton 1100 Preamp
  58. Very simple quasi complimentary MOSFET amplifier
  59. subwoofer amplifier with 2sa1943&2sc5200
  60. Rotel RA-04: There is still sound even volume control is turned to zero.
  61. Simple class b amplifier problem
  62. Home theater subwoofer input board question
  63. Luxman LV-105u MOSFET upgrade success
  64. UA Solo-110 Regulator Problem
  65. Little dual mono... Any ideas?
  66. COUNTERPOINT NPS-100 BIAS
  67. Advice for new DIY Ampli
  68. modifying a Sanyo JCX-2600K
  69. Re-Capping Luxman M-120a Power Amp Advice sought
  70. Mark Levinson 23.5 bias procedure
  71. Recommend me a project.
  72. Opamp based power amp
  73. 25wpc mosfet mapl-in kit wipes floor with 2 x cambridge A60 biamp
  74. solid state plate amp KIT
  75. Just an observation about voltage swing in actively crossed-over tweeters.
  76. dirkwright line stage preamp
  77. Sought expert advice on my amplifier circuit
  78. Smokin' Marantz SR1000
  79. conterpoint NPS-100
  80. Dx Amplifiers, all models will be shown here
  81. A more efficient class A output stage
  82. Musical Fidelity A1 Channel Imbalance
  83. Headphone amp - POP sound will powering ON and OFF
  84. Multi pack smd/tht input transistos
  85. The many versions of the NE5532 and it is confusing!
  86. Quad 34 on/off switch. Desperate.
  87. Are Proton AA1660 amplifier still available?
  88. Recap with Reason: Sony TA-N80ES Amplifier Refurbishing Project
  89. Output power - high voltage or high current?
  90. Faulty JVC MX-GC5
  91. NAD 1300 - Problem with static
  92. voltage doubler for TPS7A4700
  93. Ultra Low noise voltage regulator IC till 80Volts?
  94. NAD amplifier disabling Power Envelope circuit
  95. STR-DN1000 power-up problem
  96. What solved the problem...
  97. Kenwood Ka-2600
  98. Rotel RA840BX service
  99. Finishing a custom made power amp...
  100. aqvox + primare
  101. NAD 3300 Amplifier repair question
  102. Proton AA1660 switch issue
  103. 2sk1058 for class A what should be the max heat dissipation preferred?
  104. need help with crest 2500 poweramp
  105. (ask) ZCA 2sk1058 mosfet amplifier
  106. Threshold SA-1 keep main fuse blown
  107. Two audio schematics-comment?!
  108. SuperA Class AMP "Nataly EA2012"
  109. V.2012 PRO. Composite Audio amplifier
  110. 900W Class H Power Amplifier
  111. PCB for audio ammplifier with mj15003/mj15004
  112. Creek 4240 Volume / channel issue
  113. Peavey PV-500 schenmatics.
  114. output inductor placement idea, does it work
  115. Help with ocillating amplifier !!
  116. What headphone amp to build?
  117. The David N.J.White 100W MOSFET amplifier
  118. "Dumb" Krell Class A Question
  119. Quad 306, an underrated masterpiece?
  120. Yamaha PC-2002M
  121. Marantz 1090 shorted output stage
  122. Audiophiler Capacitor Red compared to any Mundorf Supreme as coupling cap?
  123. curious observation re: Hafler TA-1100
  124. LME49810 minimum safe working voltage not according to the datasheet
  125. Experience with Savoy G3
  126. Rotel RA-840BX3 repair?
  127. Help hooking up transformer
  128. Hafler dh200 2sk134 mosfet transistor
  129. pioneer sx1010 zener diode voltage
  130. Adcom GFA 5400 questions
  131. Measuring Power Amp Output Impedance
  132. Skytec PA-200, smoke and volume not working
  133. NAD 7155 Preamp help needed
  134. cyrus 8v2 with buzz after 2 hours
  135. Wilson-Cfp by Stee
  136. Problem with DC offset and stability
  137. Sansui AU-517 Capacitor Recommendation
  138. Acurus RL11
  139. Kenwood KR-V55r DC present on both channels. A lot.
  140. Pioneer sx 1010 power problem
  141. Onkyo M-504 Upgrade to LED lights? Help!
  142. Subwoofer amp - too much bass!
  143. Help to fix C-Audio GB402 Amplifier
  144. NAD C320 fixed (another protection circuit problem)
  145. If replacing differential input pair; also replace current source transistor?
  146. One single output pair per channel is a good thing ?
  147. Quad 99 system transformer hum
  148. calculating the resistor & capacitor values in class a amplifier
  149. Lots of noise when input is unconnected
  150. Mosfet source follower output impedence
  151. Harman/Kardon 430 - Need help with strange powerup noise
  152. Gallien Krueger 800RB Hi Channel Problem
  153. Transistor heatsink question
  154. lme49810 DC servo circuit.
  155. 300w power amp
  156. What can cause noise in this design?
  157. SYBELIUS 3 plus - ultimate high design
  158. Help repairing Sub AMP
  159. Sansui Diamond Differential PA Simulation and possible build
  160. Krell KV300i input selector board removal
  161. Replacment transistor for hitachi 2sc2b1 ? Its in a Sansui AU 555 A
  162. Yamaha M45 low pwr issue pretty interesting.
  163. Brocken amp..noise like thunder
  164. Rails Decoupled SE Amplifier
  165. DVD/CD output and power amp input specification.
  166. Bose 550 Receiver Has DC on outputs
  167. AEQ model 250 schematic
  168. Transformer coupling instead of cap?
  169. Krell 200S
  170. HH Electronic VX-150 MosFet
  171. Power supply for power amp.
  172. Making a VCO. Design help needed.
  173. DoZ in a Hafler 220? Or. . .?
  174. Roland RE-201 tapeecho improvements
  175. Burmester 933 mk2 Clone from Jims Audio
  176. Harman-Kardon hk6200 repair
  177. Needed - Service Manual For Luxman L-110
  178. Powering front end of amplifier
  179. New Project: The Silver Fox
  180. Dual Diff Amp Question
  181. What can I build with these? 4 pairs of 2SC5200/2SA1943
  182. LM 3915 mode change
  183. Pioneer SX-1080, after re-cap problem w. center voltage & idle current
  184. CFA Enhancements
  185. Peavey PV900 schematics
  186. Power amp ideas.
  187. Got taken on yasmaha m45
  188. Marlboro PA chip conversion question
  189. Diagrams required
  190. Another 100W hifi amp
  191. Repair help needed - Creek Destiny
  192. Power Supply for PGA2310 project
  193. yamaha b1 amp
  194. Parasound HCA-800II and C/PT-600
  195. Peavey Delta Blues Reverb Mod
  196. Help, In need of Service Manual for Cambridge Azur 640A V2
  197. NAD 7250PE Repair From Driving a Shorted Voice Coil?
  198. Need help with college project - Trying to build a 3 stage amp but I'm lost
  199. Digital Attenuator for Balanced Lines?
  200. Onkyo R1 AV amp
  201. GFA 5503 Bias adjustment
  202. Onkyo Dynamic Four 800 - Schematic for modification
  203. yamaha A-1020 amp
  204. Changing my old VFA designs into ONE-BEND CFA plus Current Drives
  205. H/K Citation Sixteen Parts
  206. Rotel Rb890 hum on one Channel
  207. Sansui AU555-A D001/D002 replacment diode?
  208. Diamond Wilson CFP - Roger Amp
  209. DIY Buffer Pre Amplifier with phono stage
  210. Single ended class a build. noob question
  211. Experimentations on Regulators
  212. Perfect Stranger - Innovative Amplifier
  213. Pioneer amp board with IC drivers.
  214. Technics SA-80 distorted right channel
  215. Please help educate - T300 & VSSA level matching
  216. transformer amplifier zero feedback
  217. What do these resistors do? :(
  218. Watercooled HEXFET Power Amplifier
  219. A simple question about performance
  220. bridge adapter
  221. CROWN DC-300A SERIES II RESTORATION
  222. OLDER PIONEER PREMIER Specific Amp line
  223. Resurrecting a BGW 750B
  224. Op-amp swapping MC330789 to OPA627
  225. Sudgen p28 Bias current
  226. Rotel service manual biasing...
  227. My Blameless
  228. Amber Series 70 Fuses
  229. Bi-Pak AL60
  230. yamaha M35 amp led meter
  231. Yamaha M45 amp led circuit schematic
  232. Does this amplified topology have a name
  233. The affect of mismatched impedance
  234. Acurus A150
  235. trace acoustic ta100r repair help
  236. New to forum - Buzzing noise
  237. resistor colour code
  238. help!!!!
  239. Arcam Alpha 10 overheating issues
  240. TEAC AG 4200 relays?
  241. Unique CFA 120/230W amp
  242. Direct NFB Pure Amplifier 2
  243. Crimson CS 620D
  244. Sansui 350
  245. Driving a 4-8R speaker with a single transistor Class A amp?
  246. Turbo 225 amplifier (SGS)
  247. excelinear 2014
  248. CFP OUTPUT 100W*2 MX100 MY design
  249. Amp starts humming when volume pot is attached
  250. Cannot get 2SK170 2SJ74 Spice model to pass more than 0.4mA

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