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  1. input stage why did they do this
  2. SS amps with low heatsink requirements?
  3. Rebuild of power amplifiers
  4. looking for mel audio NEFESH II Amplifier Scheme
  5. Pick your brains
  6. Schematics of PS Audio PSIII and LCC
  7. More watts?
  8. Damping Factor of amps
  9. integrated amp kit
  10. Best choice: MPSA06/MPSA56; 8099/8599; 2SA1403/2SC3597?
  11. Adding capacitance on a luxman amp
  12. what are the diodes to be used in this class H amp circuit
  13. Suggestions for single & dual DIP-8 jfet input opamps?
  14. Daisy chain components ?
  15. Maplin 100w mosfet amplifier built from 1980 kit
  16. spectro acustics 500sr recap questions
  17. Reseating Old Transistors In Old Amplifiers?
  18. 1ss81 glass switching diode cross?
  19. Subwoofer preamp -PSU noise reduction?
  20. SS driver circuit / Enhanced OP-Amp
  21. Technics sux320 amp low tinny bass
  22. Dayton Audio SA1000-no output
  23. Two new output stages. Have you seen before?
  24. Need help on LTSpice & circuit problem
  25. Greierasul
  26. Biasing Quattro DG250
  27. Amplifier For High Impedance Speaker
  28. Creek 4140 S2 schematic wanted
  29. Zobel network
  30. Diodes in Wires
  31. Amplifier Filters
  32. Good cap on regulator output !
  33. No Transformer in Supply = Madness?
  34. Bruno Putzey interview
  35. Pioneer a204R repair
  36. Rotel RA06
  37. Looking for Schematic for Technics SE-C01
  38. Help to fix Musical Fidelity A200
  39. Thoughts on this Amp ?
  40. Mature amp protection and question to Bonsai
  41. Different impedance speakers simultaneously?
  42. Parallel input transistors
  43. Honey Badger pcb's?
  44. What part of the pcb creation process causes these imperfections? (broken traces)
  45. who builds high pass filters these days?
  46. Bias Setting on ESP P101
  47. Diatone, Sansui, Victor, Technics, Lo-D, Exclusive/Pioneer and Luxman
  48. >> Looking for an amplifier for my DIATONE speaker <<
  49. Sony STR-DA1200es, lost its mojo....
  50. Bryston 2B LP recap advice
  51. thermalpaste choice
  52. Matched transistor pairs
  53. Bypass preamp notch filter
  54. Nad C325BEE
  55. CARVER AV-705x 5 Channel THX Amp RCA Input Jacks
  56. Balanced Schematics - GNFB Question
  57. How to calculate safe impedance level
  58. Help with part number please
  59. Denon AVR-3200
  60. Easy DIY Class-H using Class-AB&D in BTL
  61. 2sk1058 or Exicon lateral mosfets?
  62. not sure what this is
  63. Improvement in VAS
  64. DIY includes repair? NAD 3240PE advice needed...
  65. What amp could I build with 600VA 2x61V AC transformers?
  66. Tangent Amp50 - need help with power supply
  67. RC4558 I-mA max? non inverting
  68. 2SA1302 / 2SC3281 replacement
  69. ground bridge
  70. Some people loves a challenge ....
  71. how much bias you use for 2sc5200 1943 pair for class AB?
  72. Pros and Cons of MOSFET VAS
  73. Major RS 8020 schematic
  74. Unable to find upc1237 any sources please?
  75. Tapco J800
  76. Forte Model 1 hum
  77. Multichannel amplifier internal ground loop
  78. Improving LME49810 Amplifier by Using Cascode VAS
  79. Luxman M-120a intermittent problem
  80. Sony Str-db940
  81. DC coupled line preamp kit
  82. Classe DR-9 Big Bang Theory
  83. Replacing a PNP with a NPN in a output pair
  84. Onkyo M-504 no servo light
  85. Low noise regulators for 2014?
  86. How to convert 2sa &2sc transistors to current transistors??
  87. Strange transformer test results
  88. Audionics CC-2 with a buzz
  89. A Low Distortion Amplifier Based on a "Tandem" Correction Scheme Powered by a Modifie
  90. Low Noise opamps for 2014?
  91. VAS current limit for Blameless Amp
  92. 12V fan replace 24V?
  93. unstable DC offset
  94. 100W Class B amplifier project
  95. NAD 3240PE schematic - READABLE!
  96. Clipping indicator problems
  97. GFA 535 Input Sens & Preamp Output Voltage
  98. To reask a question that's been asked a million times, any harm in leaving your class
  99. !!!problem in increasing voltage capacity in power amplifier
  100. Challenge Mark 1B Receiver-Pioneer Clone??
  101. Sony STR-DB940 no sound
  102. aragon 4004 Mk 2 restoration
  103. MX50 amplifier compensation tuning
  104. Crundh bmx1000
  105. Sony TA-FB940R problem
  106. Power transistors in Luxman L-430
  107. Need help diagnosing amplifier fault (oscilloscope examples inside)
  108. Luxman C-120a Volume Pot extra terminals?
  109. Technics SA-EX 300
  110. Crown XLS 602 ( D series )
  111. Do amps without gnfb ring into capacitive loads
  112. ZCA amplifier DC Servo any possibilities?
  113. Rotel RA04 SE,Service Manual/Schematic
  114. NAD C370 Diagnosis / Repair Help
  115. IRF610 SRPP (THD=.35%@1W)
  116. Hiraga 30W.
  117. Simple op-amp question
  118. Laney AH200
  119. Fisher 220T needs help...
  120. B&K ST-202+ hum
  121. Ferrograph F307
  122. Bias and ultimate phase
  123. GainWire-CLASS-A-poweramp NGFB
  124. What about this amplifier?
  125. Yamaha M-4 popping noise and level fluctuations
  126. About preamp out - amp in matching.
  127. conterpoint NPS-100E help
  128. carver ca400
  129. Pioneer SX838 has hot components on power supply board
  130. BG7 v4.2 - my own blame
  131. Spirit Folio F1 14:2 No XLR Output?
  132. NAD power ratings?
  133. Who has the strange/earliest version of Mcintosh MC250 schematic?
  134. AB class amplifier in LTspice
  135. Blown capacitor, symptom or cause?
  136. Sansui noisey controls
  137. I need a mono preamp
  138. Hiraga amplifier Mosfet insulation
  139. IRF511 Simple SRPP mosfet amplifier circuit
  140. Hybrid single-ended digital input.
  141. Possible DC on output of my pre-amp?
  142. Bias pots keep rising?
  143. A.S.P. - Autonomous Speaker Protection system
  144. audio analogue maestro cd mk1
  145. Need help with Denon AVR 1909
  146. Loudspeaker-Amplifier Interaction
  147. Need help with a Rotel RA-970BX
  148. Strange slight hum + noise issue
  149. SS Class A Input/Output AC-coupling caps: How big = too big?
  150. Audiosector LM3875 Amplifier Help! / Questions
  151. Cree CMF10120D
  152. Calculating current draw of SS Class A amp
  153. B&K amplifier ST140
  154. Voltage Regulator 'CV/ABV'
  155. RJM Audio R40 (make fun of my amp)
  156. monacor sta-500 schematic
  157. Schematic Monacor sta-500
  158. Electrocompaniet power amp repair
  159. Searching fro Proton 1100 Preamp
  160. Very simple quasi complimentary MOSFET amplifier
  161. subwoofer amplifier with 2sa1943&2sc5200
  162. Rotel RA-04: There is still sound even volume control is turned to zero.
  163. Simple class b amplifier problem
  164. Home theater subwoofer input board question
  165. Luxman LV-105u MOSFET upgrade success
  166. UA Solo-110 Regulator Problem
  167. Little dual mono... Any ideas?
  168. COUNTERPOINT NPS-100 BIAS
  169. Advice for new DIY Ampli
  170. modifying a Sanyo JCX-2600K
  171. Re-Capping Luxman M-120a Power Amp Advice sought
  172. Mark Levinson 23.5 bias procedure
  173. Recommend me a project.
  174. Opamp based power amp
  175. 25wpc mosfet mapl-in kit wipes floor with 2 x cambridge A60 biamp
  176. solid state plate amp KIT
  177. Just an observation about voltage swing in actively crossed-over tweeters.
  178. dirkwright line stage preamp
  179. Sought expert advice on my amplifier circuit
  180. Smokin' Marantz SR1000
  181. conterpoint NPS-100
  182. Dx Amplifiers, all models will be shown here
  183. A more efficient class A output stage
  184. Musical Fidelity A1 Channel Imbalance
  185. Headphone amp - POP sound will powering ON and OFF
  186. Multi pack smd/tht input transistos
  187. The many versions of the NE5532 and it is confusing!
  188. Quad 34 on/off switch. Desperate.
  189. Are Proton AA1660 amplifier still available?
  190. Recap with Reason: Sony TA-N80ES Amplifier Refurbishing Project
  191. Output power - high voltage or high current?
  192. Faulty JVC MX-GC5
  193. NAD 1300 - Problem with static
  194. voltage doubler for TPS7A4700
  195. Ultra Low noise voltage regulator IC till 80Volts?
  196. NAD amplifier disabling Power Envelope circuit
  197. STR-DN1000 power-up problem
  198. What solved the problem...
  199. Kenwood Ka-2600
  200. Rotel RA840BX service
  201. Finishing a custom made power amp...
  202. aqvox + primare
  203. NAD 3300 Amplifier repair question
  204. Proton AA1660 switch issue
  205. 2sk1058 for class A what should be the max heat dissipation preferred?
  206. need help with crest 2500 poweramp
  207. (ask) ZCA 2sk1058 mosfet amplifier
  208. Threshold SA-1 keep main fuse blown
  209. Two audio schematics-comment?!
  210. SuperA Class AMP "Nataly EA2012"
  211. V.2012 PRO. Composite Audio amplifier
  212. 900W Class H Power Amplifier
  213. PCB for audio ammplifier with mj15003/mj15004
  214. Creek 4240 Volume / channel issue
  215. output inductor placement idea, does it work
  216. Help with ocillating amplifier !!
  217. What headphone amp to build?
  218. The David N.J.White 100W MOSFET amplifier
  219. "Dumb" Krell Class A Question
  220. Quad 306, an underrated masterpiece?
  221. Yamaha PC-2002M
  222. Marantz 1090 shorted output stage
  223. Audiophiler Capacitor Red compared to any Mundorf Supreme as coupling cap?
  224. curious observation re: Hafler TA-1100
  225. LME49810 minimum safe working voltage not according to the datasheet
  226. Experience with Savoy G3
  227. Rotel RA-840BX3 repair?
  228. Help hooking up transformer
  229. Hafler dh200 2sk134 mosfet transistor
  230. pioneer sx1010 zener diode voltage
  231. Adcom GFA 5400 questions
  232. Measuring Power Amp Output Impedance
  233. Skytec PA-200, smoke and volume not working
  234. NAD 7155 Preamp help needed
  235. cyrus 8v2 with buzz after 2 hours
  236. Wilson-Cfp by Stee
  237. Problem with DC offset and stability
  238. Sansui AU-517 Capacitor Recommendation
  239. Acurus RL11
  240. Kenwood KR-V55r DC present on both channels. A lot.
  241. Pioneer sx 1010 power problem
  242. Onkyo M-504 Upgrade to LED lights? Help!
  243. Subwoofer amp - too much bass!
  244. Help to fix C-Audio GB402 Amplifier
  245. NAD C320 fixed (another protection circuit problem)
  246. If replacing differential input pair; also replace current source transistor?
  247. One single output pair per channel is a good thing ?
  248. Quad 99 system transformer hum
  249. calculating the resistor & capacitor values in class a amplifier
  250. Lots of noise when input is unconnected

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