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  1. Need help on LTSpice & circuit problem
  2. Greierasul
  3. Biasing Quattro DG250
  4. Amplifier For High Impedance Speaker
  5. Creek 4140 S2 schematic wanted
  6. Zobel network
  7. Diodes in Wires
  8. Amplifier Filters
  9. Good cap on regulator output !
  10. No Transformer in Supply = Madness?
  11. Bruno Putzey interview
  12. Pioneer a204R repair
  13. Rotel RA06
  14. Looking for Schematic for Technics SE-C01
  15. Help to fix Musical Fidelity A200
  16. Thoughts on this Amp ?
  17. Mature amp protection and question to Bonsai
  18. Different impedance speakers simultaneously?
  19. Parallel input transistors
  20. Honey Badger pcb's?
  21. What part of the pcb creation process causes these imperfections? (broken traces)
  22. who builds high pass filters these days?
  23. Bias Setting on ESP P101
  24. Diatone, Sansui, Victor, Technics, Lo-D, Exclusive/Pioneer and Luxman
  25. >> Looking for an amplifier for my DIATONE speaker <<
  26. Sony STR-DA1200es, lost its mojo....
  27. Bryston 2B LP recap advice
  28. thermalpaste choice
  29. Matched transistor pairs
  30. Bypass preamp notch filter
  31. Nad C325BEE
  32. CARVER AV-705x 5 Channel THX Amp RCA Input Jacks
  33. Balanced Schematics - GNFB Question
  34. How to calculate safe impedance level
  35. Help with part number please
  36. Denon AVR-3200
  37. Easy DIY Class-H using Class-AB&D in BTL
  38. 2sk1058 or Exicon lateral mosfets?
  39. not sure what this is
  40. Improvement in VAS
  41. DIY includes repair? NAD 3240PE advice needed...
  42. What amp could I build with 600VA 2x61V AC transformers?
  43. Tangent Amp50 - need help with power supply
  44. RC4558 I-mA max? non inverting
  45. 2SA1302 / 2SC3281 replacement
  46. ground bridge
  47. Some people loves a challenge ....
  48. how much bias you use for 2sc5200 1943 pair for class AB?
  49. Pros and Cons of MOSFET VAS
  50. Major RS 8020 schematic
  51. Unable to find upc1237 any sources please?
  52. Tapco J800
  53. Forte Model 1 hum
  54. Multichannel amplifier internal ground loop
  55. Improving LME49810 Amplifier by Using Cascode VAS
  56. Luxman M-120a intermittent problem
  57. Sony Str-db940
  58. DC coupled line preamp kit
  59. Classe DR-9 Big Bang Theory
  60. Replacing a PNP with a NPN in a output pair
  61. Onkyo M-504 no servo light
  62. Low noise regulators for 2014?
  63. How to convert 2sa &2sc transistors to current transistors??
  64. Strange transformer test results
  65. Audionics CC-2 with a buzz
  66. A Low Distortion Amplifier Based on a "Tandem" Correction Scheme Powered by a Modifie
  67. Low Noise opamps for 2014?
  68. VAS current limit for Blameless Amp
  69. 12V fan replace 24V?
  70. unstable DC offset
  71. 100W Class B amplifier project
  72. NAD 3240PE schematic - READABLE!
  73. Clipping indicator problems
  74. GFA 535 Input Sens & Preamp Output Voltage
  75. To reask a question that's been asked a million times, any harm in leaving your class
  76. !!!problem in increasing voltage capacity in power amplifier
  77. Challenge Mark 1B Receiver-Pioneer Clone??
  78. Sony STR-DB940 no sound
  79. aragon 4004 Mk 2 restoration
  80. MX50 amplifier compensation tuning
  81. Crundh bmx1000
  82. Sony TA-FB940R problem
  83. Power transistors in Luxman L-430
  84. Need help diagnosing amplifier fault (oscilloscope examples inside)
  85. Luxman C-120a Volume Pot extra terminals?
  86. Technics SA-EX 300
  87. Crown XLS 602 ( D series )
  88. Do amps without gnfb ring into capacitive loads
  89. ZCA amplifier DC Servo any possibilities?
  90. Rotel RA04 SE,Service Manual/Schematic
  91. NAD C370 Diagnosis / Repair Help
  92. IRF610 SRPP (THD=.35%@1W)
  93. Hiraga 30W.
  94. Simple op-amp question
  95. Laney AH200
  96. Fisher 220T needs help...
  97. B&K ST-202+ hum
  98. Ferrograph F307
  99. Bias and ultimate phase
  100. GainWire-CLASS-A-poweramp NGFB
  101. What about this amplifier?
  102. Yamaha M-4 popping noise and level fluctuations
  103. About preamp out - amp in matching.
  104. conterpoint NPS-100E help
  105. carver ca400
  106. Pioneer SX838 has hot components on power supply board
  107. BG7 v4.2 - my own blame
  108. Spirit Folio F1 14:2 No XLR Output?
  109. NAD power ratings?
  110. Who has the strange/earliest version of Mcintosh MC250 schematic?
  111. AB class amplifier in LTspice
  112. Blown capacitor, symptom or cause?
  113. Sansui noisey controls
  114. I need a mono preamp
  115. Hiraga amplifier Mosfet insulation
  116. IRF511 Simple SRPP mosfet amplifier circuit
  117. Hybrid single-ended digital input.
  118. Possible DC on output of my pre-amp?
  119. Bias pots keep rising?
  120. A.S.P. - Autonomous Speaker Protection system
  121. audio analogue maestro cd mk1
  122. Need help with Denon AVR 1909
  123. Loudspeaker-Amplifier Interaction
  124. Need help with a Rotel RA-970BX
  125. Strange slight hum + noise issue
  126. SS Class A Input/Output AC-coupling caps: How big = too big?
  127. Audiosector LM3875 Amplifier Help! / Questions
  128. Cree CMF10120D
  129. Calculating current draw of SS Class A amp
  130. B&K amplifier ST140
  131. Voltage Regulator 'CV/ABV'
  132. RJM Audio R40 (make fun of my amp)
  133. monacor sta-500 schematic
  134. Schematic Monacor sta-500
  135. Electrocompaniet power amp repair
  136. Searching fro Proton 1100 Preamp
  137. Very simple quasi complimentary MOSFET amplifier
  138. subwoofer amplifier with 2sa1943&2sc5200
  139. Rotel RA-04: There is still sound even volume control is turned to zero.
  140. Simple class b amplifier problem
  141. Home theater subwoofer input board question
  142. Luxman LV-105u MOSFET upgrade success
  143. UA Solo-110 Regulator Problem
  144. Little dual mono... Any ideas?
  145. COUNTERPOINT NPS-100 BIAS
  146. Advice for new DIY Ampli
  147. modifying a Sanyo JCX-2600K
  148. Re-Capping Luxman M-120a Power Amp Advice sought
  149. Mark Levinson 23.5 bias procedure
  150. Recommend me a project.
  151. Opamp based power amp
  152. 25wpc mosfet mapl-in kit wipes floor with 2 x cambridge A60 biamp
  153. solid state plate amp KIT
  154. Just an observation about voltage swing in actively crossed-over tweeters.
  155. dirkwright line stage preamp
  156. Sought expert advice on my amplifier circuit
  157. Smokin' Marantz SR1000
  158. conterpoint NPS-100
  159. Dx Amplifiers, all models will be shown here
  160. A more efficient class A output stage
  161. Musical Fidelity A1 Channel Imbalance
  162. Headphone amp - POP sound will powering ON and OFF
  163. Multi pack smd/tht input transistos
  164. The many versions of the NE5532 and it is confusing!
  165. Quad 34 on/off switch. Desperate.
  166. Are Proton AA1660 amplifier still available?
  167. Recap with Reason: Sony TA-N80ES Amplifier Refurbishing Project
  168. Output power - high voltage or high current?
  169. Faulty JVC MX-GC5
  170. NAD 1300 - Problem with static
  171. voltage doubler for TPS7A4700
  172. Ultra Low noise voltage regulator IC till 80Volts?
  173. NAD amplifier disabling Power Envelope circuit
  174. STR-DN1000 power-up problem
  175. What solved the problem...
  176. Kenwood Ka-2600
  177. Rotel RA840BX service
  178. Finishing a custom made power amp...
  179. aqvox + primare
  180. NAD 3300 Amplifier repair question
  181. Proton AA1660 switch issue
  182. 2sk1058 for class A what should be the max heat dissipation preferred?
  183. need help with crest 2500 poweramp
  184. (ask) ZCA 2sk1058 mosfet amplifier
  185. Threshold SA-1 keep main fuse blown
  186. Two audio schematics-comment?!
  187. SuperA Class AMP "Nataly EA2012"
  188. V.2012 PRO. Composite Audio amplifier
  189. 900W Class H Power Amplifier
  190. PCB for audio ammplifier with mj15003/mj15004
  191. Creek 4240 Volume / channel issue
  192. output inductor placement idea, does it work
  193. Help with ocillating amplifier !!
  194. What headphone amp to build?
  195. The David N.J.White 100W MOSFET amplifier
  196. "Dumb" Krell Class A Question
  197. Quad 306, an underrated masterpiece?
  198. Yamaha PC-2002M
  199. Marantz 1090 shorted output stage
  200. Audiophiler Capacitor Red compared to any Mundorf Supreme as coupling cap?
  201. curious observation re: Hafler TA-1100
  202. LME49810 minimum safe working voltage not according to the datasheet
  203. Experience with Savoy G3
  204. Rotel RA-840BX3 repair?
  205. Help hooking up transformer
  206. Hafler dh200 2sk134 mosfet transistor
  207. pioneer sx1010 zener diode voltage
  208. Adcom GFA 5400 questions
  209. Measuring Power Amp Output Impedance
  210. Skytec PA-200, smoke and volume not working
  211. NAD 7155 Preamp help needed
  212. cyrus 8v2 with buzz after 2 hours
  213. Wilson-Cfp by Stee
  214. Problem with DC offset and stability
  215. Sansui AU-517 Capacitor Recommendation
  216. Acurus RL11
  217. Kenwood KR-V55r DC present on both channels. A lot.
  218. Pioneer sx 1010 power problem
  219. Onkyo M-504 Upgrade to LED lights? Help!
  220. Subwoofer amp - too much bass!
  221. Help to fix C-Audio GB402 Amplifier
  222. NAD C320 fixed (another protection circuit problem)
  223. If replacing differential input pair; also replace current source transistor?
  224. One single output pair per channel is a good thing ?
  225. Quad 99 system transformer hum
  226. calculating the resistor & capacitor values in class a amplifier
  227. Lots of noise when input is unconnected
  228. Mosfet source follower output impedence
  229. Harman/Kardon 430 - Need help with strange powerup noise
  230. Transistor heatsink question
  231. lme49810 DC servo circuit.
  232. 300w power amp
  233. What can cause noise in this design?
  234. SYBELIUS 3 plus - ultimate high design
  235. Help repairing Sub AMP
  236. Sansui Diamond Differential PA Simulation and possible build
  237. Krell KV300i input selector board removal
  238. Replacment transistor for hitachi 2sc2b1 ? Its in a Sansui AU 555 A
  239. Yamaha M45 low pwr issue pretty interesting.
  240. Brocken amp..noise like thunder
  241. Rails Decoupled SE Amplifier
  242. DVD/CD output and power amp input specification.
  243. Bose 550 Receiver Has DC on outputs
  244. AEQ model 250 schematic
  245. Transformer coupling instead of cap?
  246. Krell 200S
  247. HH Electronic VX-150 MosFet
  248. Power supply for power amp.
  249. Making a VCO. Design help needed.
  250. DoZ in a Hafler 220? Or. . .?

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