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  1. P88 preamp power supply
  2. recommendations for mosfets?
  3. how to determine optimum load for source follower??
  4. Dual Devices
  5. Crown CE 2000 Help
  6. JFET swap in microphone - 2N3819, 2SK170
  7. Need help with a vintage stereo!
  8. CRCRC vs. LCLCLC which is better and why?
  9. Mosfet power follower (Pavel Macura)
  10. 990 discrete opamp
  11. How to cancel odd order harmonics?
  12. The big assembly question!
  13. how much power can i get fro IRFZ44?
  14. Simple OCL AMP
  15. HELP! Need Amp Info
  16. What to do with my leftover Toshibas
  17. No left channel on Technics SA-303
  18. 20W amp optimized for 1 Ohm load
  19. inverting / non-inverting op-amp circuits
  20. High quality amp with 2sk1530 and 2sj21
  21. External PS for Leach amp.
  22. Problems with bias setting
  23. Regulator output impedance
  24. Amplifier with LM317/337 voltage regs.
  25. JVC JA-S55 amp troubleshooting
  26. 3W Pure Class-A AMP
  27. Technics SU-X101 amp schematic wanted, and other questions
  28. how much power my amplifier out ?!
  29. Please comment this design
  30. E-Follower & P37 By Rod -- It's cool.
  31. rectifier upgrade for sub amp?
  32. Harman Kardon HK-6900
  33. amp problem please help
  34. Threshold 400 A
  35. Wrong heatsink for TO-39
  36. Anyone use output stage like this
  37. diy power amp
  38. nap 180 service
  39. Rotel RA-812 schematic needed
  40. Instant voltage and current circuit?
  41. So, what does crossover distortion sound like?
  42. help design SE preamp with mosfet buffer and step-up transformer.
  43. My first amp!!
  44. Looking for 2SK60 class A AMP circuit diagram
  45. diy lab supply
  46. Please comment my pcb P3a
  47. Optimal snubbers
  48. Cambridge Audio C500 & P500
  49. mixer or pre-amp
  50. Class A heatsinking, or heatsinking in general!
  51. Comment on my pre-amp schematic?
  52. Finished first amp!
  53. Reverse engineering a servo controller?
  54. Looking for APT40xxBN Experience and Comments
  55. need input on SS buffer w/transformer line amp.
  56. PSL Ve2400 vith problem
  57. hitachi ha-330 modification
  58. diy electronics
  59. Cambridge Audio Azur 540A amp noisy (50Hz?)
  60. pioneer A-501R amp
  61. schematic needed
  62. Looking for PS AUDIO Elite schematics
  63. subwoofer amp
  64. LCAudio Zeta Amplifier
  65. Electrocompaniet, how does it sound?
  66. Rod Elliot P68-2 PSU Recomendations
  67. Looking for Rotel RC970BX MII schematic
  68. Looking for Rotel RC970bx mkII schematic
  69. effect of unbalanced rails?
  70. Soldering the caps
  71. Acoustic Research Amplifier (solid state) help needed
  72. Nad NAD C162+C172 diagram(schematics)
  73. Electrostatic damage on transistors
  74. Resistor/Inductor at Leach Output
  75. Hum
  76. crest audio power amplifier
  77. GAS116 & GAS 117 substitutes? HELP!
  78. Circuit boards, another dirty way to do!
  79. Help with some SWR Schematics
  80. Former audio snob humbled; Pioneer SX-1010 question
  81. Tone controls
  82. Open collector npn output
  83. Yamaha rx-550 question.
  84. optimizing the VBE multiplier
  85. Tech help needed Threshold S/300 MkII optical bias
  86. Recommendations for re-capping McIntosh MA-5100
  87. Voltage doubler
  88. Looking for Takahashi cct
  89. 300W PA Schematics
  90. Bedini 25/25 vs Bedini Classic 100 Vintage
  91. Help..Spice models for 2SA1215 2SC2921
  92. HK AVR45 suggestions needed
  93. DIY Front Panel !!
  94. DC offset in my p3a- need help!
  95. 4558 and TL072 question
  96. LTP bias current
  97. NAD 314 Bias Current/DC Offset
  98. LM3886 (or similar) as voltage regulator
  99. Extra/unused solder pads on the Leach Foil pattern?
  100. Technics SU-600 Amp
  101. ATX (computer) power supplies for power amp
  102. Please comment "my" design
  103. Denon Pma-860
  104. Which Amplifier for a DIY 12" Subwoofer?
  105. Luxman M03 schematic
  106. Leach output transistors
  107. 12-14V power supply questions.
  108. 5.1 Input on Rotel RSP-980
  109. Parasound P/HP-850
  110. Soundcraftsman MA5002 Bias
  111. Class A dilemma
  112. Denon PMA-2000
  113. Substituting capacitor in MA-5100
  114. safe operating area
  115. DC on output
  116. help with input pot please
  117. Realistic and Sony Receiver Questions
  118. The Leach Amp - Power supply?
  119. NAD 320BEE and speaker cable question
  120. Can I replace Samhwa caps in PS with smaller value ones of better quality ?
  121. Crimson Elektrik power amps
  122. Mac MA-5100 - Is this a capacitor coupled design?
  123. locate DVD player schematics
  124. Carver TFM Schematics?
  125. what is your favorite loundness or pre-amp or anykind of circuit that make good sound
  126. Minimal (passive?) linestage
  127. I am sleepy again
  128. Book to learn about amp building
  129. Generic Open Chassis Design ...
  130. onsemi "thermaltrak" transistors
  131. Help!
  132. The best Amplifier circuit ever made.
  133. Qsc Ex4000
  134. So, guys... Should I recap?
  135. EMI Interference In Rod Elliott's DOZ Amplifier
  136. DELTA PA-34A Power Amplifier by Jan Dupont
  137. Converting Nikko Alpha 230 to Leach Low TIM
  138. What happened to aussieamplifiers?
  139. dvd player tweaking hurdles
  140. Marantz 300DC Problem
  141. 25W MOSFET amp problem :(
  142. Kr-950
  143. Over voltage on capacitor
  144. stability
  145. Need comments and suggestions for this amp.
  146. Burn-in Leach amp??
  147. fet output stage stability
  148. Vbe Thermal Coupling Issue
  149. Zero DC Offset
  150. Very cheap toroid??
  151. Will sound reasonable?... this amplifier is amps lab cousin
  152. Music plays after amp is turned off.
  153. Adding pre-outs into a processor with separate internal amp?
  154. Thoughts Concerning Cordell, Otala, and Gilbert papers
  155. to-92 general purpose
  156. NAD 2200 REPAIR PartS Needed?
  157. amp help needed in Milwaukee
  158. NAD fuses, slow blow or fast blow?
  159. PP MOSFET amp with float supplies
  160. Let's Get Back To Bryston
  161. NAD Power Envelope question
  162. Replacement driver boards for the Quad 303
  163. Marantz KI difference?
  164. Tone Control, from inside the hell to your home
  165. 2sc5200/2sa1493 With +/- 78vdc ?
  166. what can i substitute the MJL4302A and the MJL4281A with?
  167. Old MOSFET schema. Opinions?
  168. Ampslab c200 soon finished.
  169. painted heatsinks & insulating washers
  170. Make your own temp. controlled iron
  171. Technics SA-300: dead FM tuner?
  172. Recommendation for regulator?
  173. Help with MOSFET selection
  174. McIntosh 5100 - worth restoration?
  175. Infinity BU1 amplified subwoofer. problems.
  176. B&K ST 125.2 Modification Project
  177. Dual Toroidals????
  178. A push-pull differential stage- why not?
  179. Mark Levinson No 27 Problem
  180. Discussion about Pioneer cheap DVD player
  181. Micro Precision serie 5 Linedriver
  182. Power Supply Design Question
  183. So, can I run a Hafler DH-500 without the lid?
  184. ca339e comparitor as phaze shift????
  185. Shielding with aluminum foil;)
  186. Need Schematics for ROTEL RDA-975
  187. I got this schematic of a power amp, would like comments
  188. Pioneer SA-1000 Service Manual
  189. Voltage conversion?
  190. traps in to3 construction
  191. Bias info with regard to Denon Amps
  192. LM6172 sound
  193. Looking for schematics...got a lot of parts...
  194. Non-feedback parametric linearisation in FETs
  195. Freeeee Ebook
  196. transistor "Ft" what about it?
  197. This paper...anyone?
  198. 3 constant current source questions
  199. Luxman SQ202 Hum on RH channel
  200. Need help on designing aspects of audio amplifier
  201. What contributes to DC-offset?
  202. PSU caps for Leach amp
  203. Where do you buy your components?
  204. power fets, bias, gain matching & other stuff.
  205. Why does the APT Holman preamp sound so good?
  206. power transistor output capacitance
  207. differential input stage
  208. Input Selector
  209. Merry...Merry Christmas Folks...
  210. Special for moderators and Jason, that let me be in peace all this ending year
  211. J-FET preamp/DI vs tubes
  212. MOSFETS on the same heatsink?
  213. Citation 12 Substitute Transistors
  214. denon 480r schematics
  215. Class A power follower
  216. Class A amp all over :) Need PSU!
  217. protecting high-powered mosfet amplifiers..
  218. You know you're a junkie when...
  219. Sansui G-7500 schematic needed
  220. Playmaster Pro Series 3 reviews
  221. Mark Levinson JC-2 problem ( broken Line driver )
  222. V. linear drivers and fast - 200v Vceo, 120mA
  223. Yamaha A-560 Amplifier
  224. Desperatly Need schematic for Pioneer A-77X
  225. Trying to fix my Cyrus II amp
  226. Doubling (or more) output stage voltage capability.
  227. Capacitor Voltage Rating
  228. Arcam Alpha 9 integrated amplifier
  229. transistor substitutes
  230. Newbie Question
  231. Novice in need of help
  232. Adcom GFA-585 went bad - calling Adcom experts
  233. My new design
  234. Transformer shield wiring
  235. So, I ebayed this Hafler DH-110 preamp...
  236. Looking for schematic for Cal Sigma II Dac
  237. Survey - Actual Amp Temperatures
  238. Please Help with ADCOM GFA-555 II
  239. Hafler DH 220 amp sounds like tin can
  240. JRC opamps
  241. Pioneer SA-8800
  242. pure n channel schem. help needed
  243. schematic for H/K citation 11
  244. convert voltage to resistance?
  245. Have transformer, will build
  246. ASR Active mainscable
  247. bridging two amps x4 power ?
  248. Share my methods to repair/build a discrete power amp
  249. Recommendations for stereo amplifier ?
  250. NEC Transistor? b965 / d1288 - 70W System

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