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

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