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  1. 'active feedback' for distortion cancellation
  2. Building a audio preamp
  3. Wml Bias Problem
  4. Schematics for Heathkit AA-2500 Power Amp?
  5. OPA627 in class A - swap to 134 or 604?
  6. Randy Slone 6.6 design
  7. hafler DH-100 series 2 vs non series 2
  8. Links to High Current Regulated Power Supply?
  9. Preamp for mosfet amp...
  10. CCS Voltage Reference
  11. PSL Ve 2400 amplifier
  12. Current Source SPICE Model
  13. How much distortion can we hear?
  14. P68 Overheating!!
  15. Oscillation
  16. Isolating a hum?
  17. Missing schematics
  18. Hypex Active Amplifiers
  19. Is this fake, it blows too much easy for a rudged TIP36 transistor
  20. LEVINSON 333 Schematic??
  21. Parasound Preamp Troubleshooting
  22. P88 preamp power supply
  23. recommendations for mosfets?
  24. how to determine optimum load for source follower??
  25. Dual Devices
  26. Crown CE 2000 Help
  27. JFET swap in microphone - 2N3819, 2SK170
  28. Need help with a vintage stereo!
  29. CRCRC vs. LCLCLC which is better and why?
  30. Mosfet power follower (Pavel Macura)
  31. 990 discrete opamp
  32. How to cancel odd order harmonics?
  33. The big assembly question!
  34. how much power can i get fro IRFZ44?
  35. Simple OCL AMP
  36. HELP! Need Amp Info
  37. What to do with my leftover Toshibas
  38. No left channel on Technics SA-303
  39. 20W amp optimized for 1 Ohm load
  40. inverting / non-inverting op-amp circuits
  41. High quality amp with 2sk1530 and 2sj21
  42. External PS for Leach amp.
  43. Problems with bias setting
  44. Regulator output impedance
  45. Amplifier with LM317/337 voltage regs.
  46. JVC JA-S55 amp troubleshooting
  47. 3W Pure Class-A AMP
  48. Technics SU-X101 amp schematic wanted, and other questions
  49. how much power my amplifier out ?!
  50. Please comment this design
  51. E-Follower & P37 By Rod -- It's cool.
  52. rectifier upgrade for sub amp?
  53. Harman Kardon HK-6900
  54. amp problem please help
  55. Threshold 400 A
  56. Wrong heatsink for TO-39
  57. Anyone use output stage like this
  58. diy power amp
  59. nap 180 service
  60. Rotel RA-812 schematic needed
  61. Instant voltage and current circuit?
  62. So, what does crossover distortion sound like?
  63. help design SE preamp with mosfet buffer and step-up transformer.
  64. My first amp!!
  65. Looking for 2SK60 class A AMP circuit diagram
  66. diy lab supply
  67. Please comment my pcb P3a
  68. Optimal snubbers
  69. Cambridge Audio C500 & P500
  70. mixer or pre-amp
  71. Class A heatsinking, or heatsinking in general!
  72. Comment on my pre-amp schematic?
  73. Finished first amp!
  74. Reverse engineering a servo controller?
  75. Looking for APT40xxBN Experience and Comments
  76. need input on SS buffer w/transformer line amp.
  77. PSL Ve2400 vith problem
  78. hitachi ha-330 modification
  79. diy electronics
  80. Cambridge Audio Azur 540A amp noisy (50Hz?)
  81. pioneer A-501R amp
  82. Looking for PS AUDIO Elite schematics
  83. schematic needed
  84. subwoofer amp
  85. LCAudio Zeta Amplifier
  86. Electrocompaniet, how does it sound?
  87. Rod Elliot P68-2 PSU Recomendations
  88. Looking for Rotel RC970BX MII schematic
  89. Looking for Rotel RC970bx mkII schematic
  90. effect of unbalanced rails?
  91. Soldering the caps
  92. Acoustic Research Amplifier (solid state) help needed
  93. Nad NAD C162+C172 diagram(schematics)
  94. Electrostatic damage on transistors
  95. Resistor/Inductor at Leach Output
  96. Hum
  97. crest audio power amplifier
  98. GAS116 & GAS 117 substitutes? HELP!
  99. Circuit boards, another dirty way to do!
  100. Help with some SWR Schematics
  101. Former audio snob humbled; Pioneer SX-1010 question
  102. Tone controls
  103. Open collector npn output
  104. Yamaha rx-550 question.
  105. optimizing the VBE multiplier
  106. Tech help needed Threshold S/300 MkII optical bias
  107. Recommendations for re-capping McIntosh MA-5100
  108. Voltage doubler
  109. Looking for Takahashi cct
  110. 300W PA Schematics
  111. Bedini 25/25 vs Bedini Classic 100 Vintage
  112. Help..Spice models for 2SA1215 2SC2921
  113. HK AVR45 suggestions needed
  114. DIY Front Panel !!
  115. DC offset in my p3a- need help!
  116. 4558 and TL072 question
  117. LTP bias current
  118. NAD 314 Bias Current/DC Offset
  119. LM3886 (or similar) as voltage regulator
  120. Extra/unused solder pads on the Leach Foil pattern?
  121. Technics SU-600 Amp
  122. ATX (computer) power supplies for power amp
  123. Please comment "my" design
  124. Denon Pma-860
  125. Which Amplifier for a DIY 12" Subwoofer?
  126. Luxman M03 schematic
  127. Leach output transistors
  128. 12-14V power supply questions.
  129. 5.1 Input on Rotel RSP-980
  130. Parasound P/HP-850
  131. Soundcraftsman MA5002 Bias
  132. Class A dilemma
  133. Denon PMA-2000
  134. Substituting capacitor in MA-5100
  135. safe operating area
  136. DC on output
  137. help with input pot please
  138. Realistic and Sony Receiver Questions
  139. The Leach Amp - Power supply?
  140. NAD 320BEE and speaker cable question
  141. Can I replace Samhwa caps in PS with smaller value ones of better quality ?
  142. Crimson Elektrik power amps
  143. Mac MA-5100 - Is this a capacitor coupled design?
  144. locate DVD player schematics
  145. Carver TFM Schematics?
  146. what is your favorite loundness or pre-amp or anykind of circuit that make good sound
  147. Minimal (passive?) linestage
  148. I am sleepy again
  149. Book to learn about amp building
  150. Generic Open Chassis Design ...
  151. onsemi "thermaltrak" transistors
  152. Help!
  153. The best Amplifier circuit ever made.
  154. Qsc Ex4000
  155. So, guys... Should I recap?
  156. EMI Interference In Rod Elliott's DOZ Amplifier
  157. DELTA PA-34A Power Amplifier by Jan Dupont
  158. Converting Nikko Alpha 230 to Leach Low TIM
  159. What happened to aussieamplifiers?
  160. dvd player tweaking hurdles
  161. Marantz 300DC Problem
  162. 25W MOSFET amp problem :(
  163. Kr-950
  164. Over voltage on capacitor
  165. stability
  166. Need comments and suggestions for this amp.
  167. Burn-in Leach amp??
  168. fet output stage stability
  169. Vbe Thermal Coupling Issue
  170. Zero DC Offset
  171. Very cheap toroid??
  172. Will sound reasonable?... this amplifier is amps lab cousin
  173. Music plays after amp is turned off.
  174. Adding pre-outs into a processor with separate internal amp?
  175. Thoughts Concerning Cordell, Otala, and Gilbert papers
  176. to-92 general purpose
  177. NAD 2200 REPAIR PartS Needed?
  178. amp help needed in Milwaukee
  179. NAD fuses, slow blow or fast blow?
  180. PP MOSFET amp with float supplies
  181. Let's Get Back To Bryston
  182. NAD Power Envelope question
  183. Replacement driver boards for the Quad 303
  184. Marantz KI difference?
  185. Tone Control, from inside the hell to your home
  186. 2sc5200/2sa1493 With +/- 78vdc ?
  187. what can i substitute the MJL4302A and the MJL4281A with?
  188. Old MOSFET schema. Opinions?
  189. Ampslab c200 soon finished.
  190. painted heatsinks & insulating washers
  191. Make your own temp. controlled iron
  192. Technics SA-300: dead FM tuner?
  193. Recommendation for regulator?
  194. Help with MOSFET selection
  195. McIntosh 5100 - worth restoration?
  196. Infinity BU1 amplified subwoofer. problems.
  197. B&K ST 125.2 Modification Project
  198. Dual Toroidals????
  199. A push-pull differential stage- why not?
  200. Mark Levinson No 27 Problem
  201. Discussion about Pioneer cheap DVD player
  202. Micro Precision serie 5 Linedriver
  203. Power Supply Design Question
  204. So, can I run a Hafler DH-500 without the lid?
  205. ca339e comparitor as phaze shift????
  206. Shielding with aluminum foil;)
  207. Need Schematics for ROTEL RDA-975
  208. I got this schematic of a power amp, would like comments
  209. Pioneer SA-1000 Service Manual
  210. Voltage conversion?
  211. traps in to3 construction
  212. Bias info with regard to Denon Amps
  213. LM6172 sound
  214. Looking for schematics...got a lot of parts...
  215. Non-feedback parametric linearisation in FETs
  216. Freeeee Ebook
  217. transistor "Ft" what about it?
  218. This paper...anyone?
  219. 3 constant current source questions
  220. Luxman SQ202 Hum on RH channel
  221. Need help on designing aspects of audio amplifier
  222. What contributes to DC-offset?
  223. PSU caps for Leach amp
  224. Where do you buy your components?
  225. power fets, bias, gain matching & other stuff.
  226. Why does the APT Holman preamp sound so good?
  227. power transistor output capacitance
  228. differential input stage
  229. Input Selector
  230. Merry...Merry Christmas Folks...
  231. Special for moderators and Jason, that let me be in peace all this ending year
  232. J-FET preamp/DI vs tubes
  233. MOSFETS on the same heatsink?
  234. Citation 12 Substitute Transistors
  235. denon 480r schematics
  236. Class A power follower
  237. Class A amp all over :) Need PSU!
  238. protecting high-powered mosfet amplifiers..
  239. You know you're a junkie when...
  240. Sansui G-7500 schematic needed
  241. Playmaster Pro Series 3 reviews
  242. Mark Levinson JC-2 problem ( broken Line driver )
  243. V. linear drivers and fast - 200v Vceo, 120mA
  244. Yamaha A-560 Amplifier
  245. Desperatly Need schematic for Pioneer A-77X
  246. Trying to fix my Cyrus II amp
  247. Doubling (or more) output stage voltage capability.
  248. Capacitor Voltage Rating
  249. Arcam Alpha 9 integrated amplifier
  250. transistor substitutes

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