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  1. hitachi ha-330 modification
  2. diy electronics
  3. Cambridge Audio Azur 540A amp noisy (50Hz?)
  4. pioneer A-501R amp
  5. schematic needed
  6. Looking for PS AUDIO Elite schematics
  7. subwoofer amp
  8. LCAudio Zeta Amplifier
  9. Electrocompaniet, how does it sound?
  10. Rod Elliot P68-2 PSU Recomendations
  11. Looking for Rotel RC970BX MII schematic
  12. Looking for Rotel RC970bx mkII schematic
  13. effect of unbalanced rails?
  14. Soldering the caps
  15. Acoustic Research Amplifier (solid state) help needed
  16. Nad NAD C162+C172 diagram(schematics)
  17. Electrostatic damage on transistors
  18. Resistor/Inductor at Leach Output
  19. Hum
  20. crest audio power amplifier
  21. GAS116 & GAS 117 substitutes? HELP!
  22. Circuit boards, another dirty way to do!
  23. Help with some SWR Schematics
  24. Former audio snob humbled; Pioneer SX-1010 question
  25. Tone controls
  26. Open collector npn output
  27. Yamaha rx-550 question.
  28. optimizing the VBE multiplier
  29. Tech help needed Threshold S/300 MkII optical bias
  30. Recommendations for re-capping McIntosh MA-5100
  31. Voltage doubler
  32. Looking for Takahashi cct
  33. 300W PA Schematics
  34. Bedini 25/25 vs Bedini Classic 100 Vintage
  35. Help..Spice models for 2SA1215 2SC2921
  36. HK AVR45 suggestions needed
  37. DIY Front Panel !!
  38. DC offset in my p3a- need help!
  39. 4558 and TL072 question
  40. LTP bias current
  41. NAD 314 Bias Current/DC Offset
  42. LM3886 (or similar) as voltage regulator
  43. Extra/unused solder pads on the Leach Foil pattern?
  44. Technics SU-600 Amp
  45. ATX (computer) power supplies for power amp
  46. Please comment "my" design
  47. Denon Pma-860
  48. Which Amplifier for a DIY 12" Subwoofer?
  49. Luxman M03 schematic
  50. Leach output transistors
  51. 12-14V power supply questions.
  52. 5.1 Input on Rotel RSP-980
  53. Parasound P/HP-850
  54. Soundcraftsman MA5002 Bias
  55. Class A dilemma
  56. Denon PMA-2000
  57. Substituting capacitor in MA-5100
  58. safe operating area
  59. DC on output
  60. help with input pot please
  61. Realistic and Sony Receiver Questions
  62. The Leach Amp - Power supply?
  63. NAD 320BEE and speaker cable question
  64. Can I replace Samhwa caps in PS with smaller value ones of better quality ?
  65. Crimson Elektrik power amps
  66. Mac MA-5100 - Is this a capacitor coupled design?
  67. locate DVD player schematics
  68. Carver TFM Schematics?
  69. what is your favorite loundness or pre-amp or anykind of circuit that make good sound
  70. Minimal (passive?) linestage
  71. I am sleepy again
  72. Book to learn about amp building
  73. Generic Open Chassis Design ...
  74. onsemi "thermaltrak" transistors
  75. Help!
  76. The best Amplifier circuit ever made.
  77. Qsc Ex4000
  78. So, guys... Should I recap?
  79. EMI Interference In Rod Elliott's DOZ Amplifier
  80. DELTA PA-34A Power Amplifier by Jan Dupont
  81. Converting Nikko Alpha 230 to Leach Low TIM
  82. What happened to aussieamplifiers?
  83. dvd player tweaking hurdles
  84. Marantz 300DC Problem
  85. 25W MOSFET amp problem :(
  86. Kr-950
  87. Over voltage on capacitor
  88. stability
  89. Need comments and suggestions for this amp.
  90. Burn-in Leach amp??
  91. fet output stage stability
  92. Vbe Thermal Coupling Issue
  93. Zero DC Offset
  94. Very cheap toroid??
  95. Will sound reasonable?... this amplifier is amps lab cousin
  96. Music plays after amp is turned off.
  97. Adding pre-outs into a processor with separate internal amp?
  98. Thoughts Concerning Cordell, Otala, and Gilbert papers
  99. to-92 general purpose
  100. NAD 2200 REPAIR PartS Needed?
  101. amp help needed in Milwaukee
  102. NAD fuses, slow blow or fast blow?
  103. PP MOSFET amp with float supplies
  104. Let's Get Back To Bryston
  105. NAD Power Envelope question
  106. Replacement driver boards for the Quad 303
  107. Marantz KI difference?
  108. Tone Control, from inside the hell to your home
  109. 2sc5200/2sa1493 With +/- 78vdc ?
  110. what can i substitute the MJL4302A and the MJL4281A with?
  111. Old MOSFET schema. Opinions?
  112. Ampslab c200 soon finished.
  113. painted heatsinks & insulating washers
  114. Make your own temp. controlled iron
  115. Technics SA-300: dead FM tuner?
  116. Recommendation for regulator?
  117. Help with MOSFET selection
  118. McIntosh 5100 - worth restoration?
  119. Infinity BU1 amplified subwoofer. problems.
  120. B&K ST 125.2 Modification Project
  121. Dual Toroidals????
  122. A push-pull differential stage- why not?
  123. Mark Levinson No 27 Problem
  124. Discussion about Pioneer cheap DVD player
  125. Micro Precision serie 5 Linedriver
  126. Power Supply Design Question
  127. So, can I run a Hafler DH-500 without the lid?
  128. ca339e comparitor as phaze shift????
  129. Shielding with aluminum foil;)
  130. Need Schematics for ROTEL RDA-975
  131. I got this schematic of a power amp, would like comments
  132. Pioneer SA-1000 Service Manual
  133. Voltage conversion?
  134. traps in to3 construction
  135. Bias info with regard to Denon Amps
  136. LM6172 sound
  137. Looking for schematics...got a lot of parts...
  138. Non-feedback parametric linearisation in FETs
  139. Freeeee Ebook
  140. transistor "Ft" what about it?
  141. This paper...anyone?
  142. 3 constant current source questions
  143. Luxman SQ202 Hum on RH channel
  144. Need help on designing aspects of audio amplifier
  145. What contributes to DC-offset?
  146. PSU caps for Leach amp
  147. Where do you buy your components?
  148. power fets, bias, gain matching & other stuff.
  149. Why does the APT Holman preamp sound so good?
  150. power transistor output capacitance
  151. differential input stage
  152. Input Selector
  153. Merry...Merry Christmas Folks...
  154. Special for moderators and Jason, that let me be in peace all this ending year
  155. J-FET preamp/DI vs tubes
  156. MOSFETS on the same heatsink?
  157. Citation 12 Substitute Transistors
  158. denon 480r schematics
  159. Class A power follower
  160. Class A amp all over :) Need PSU!
  161. protecting high-powered mosfet amplifiers..
  162. You know you're a junkie when...
  163. Sansui G-7500 schematic needed
  164. Playmaster Pro Series 3 reviews
  165. Mark Levinson JC-2 problem ( broken Line driver )
  166. V. linear drivers and fast - 200v Vceo, 120mA
  167. Yamaha A-560 Amplifier
  168. Desperatly Need schematic for Pioneer A-77X
  169. Trying to fix my Cyrus II amp
  170. Doubling (or more) output stage voltage capability.
  171. Capacitor Voltage Rating
  172. Arcam Alpha 9 integrated amplifier
  173. transistor substitutes
  174. Newbie Question
  175. Novice in need of help
  176. Adcom GFA-585 went bad - calling Adcom experts
  177. My new design
  178. Transformer shield wiring
  179. So, I ebayed this Hafler DH-110 preamp...
  180. Looking for schematic for Cal Sigma II Dac
  181. Survey - Actual Amp Temperatures
  182. Please Help with ADCOM GFA-555 II
  183. Hafler DH 220 amp sounds like tin can
  184. DC Adapter question for a Guitar Amp??
  185. JRC opamps
  186. Pioneer SA-8800
  187. pure n channel schem. help needed
  188. schematic for H/K citation 11
  189. convert voltage to resistance?
  190. Have transformer, will build
  191. ASR Active mainscable
  192. bridging two amps x4 power ?
  193. Share my methods to repair/build a discrete power amp
  194. Recommendations for stereo amplifier ?
  195. NEC Transistor? b965 / d1288 - 70W System
  196. I had some informs that this is a Harman Kardon schematic
  197. Would this work as a volume control???
  198. Classes of operation vs. sound quality
  199. any use for velodyne plate amps?
  200. Been a while, and I have a question. (long)
  201. AA1800 bias resistors
  202. Transistors?
  203. Project:OPTIMUM SHORT CIRCUIT PROTECTION IN MOSFET AMPS
  204. MJE15035 equivalent
  205. I Need Proel Prl 500 Schematic
  206. High power regulated, quasi-comp.
  207. verified Audio improvement suggestion on my Leach Super Amp. improve idea?
  208. What's the best diode for pwramp supplyyy
  209. My P68 board
  210. I need a reverse attenuator
  211. Sound Reinforcement amplifier design
  212. Rotel 820 schematics
  213. Simple upgrade for Rotel RA-01 amp..
  214. Superbuffer instead of OPAMP
  215. IRF's Hexfred or Schottky?
  216. Elektor 1982 Simulation
  217. REQ: Pioneer VSX-D1S Service Manual
  218. Evolve Amplifier
  219. 2sj72 Datasheet
  220. Class A for home use
  221. Fixing a Rotel 820
  222. Transformer Question
  223. Paper wanted...
  224. Amp has no power...Please help!
  225. sleepy man's question
  226. Low dist at high frequencies
  227. Installing a "main out" in an integrated amp?
  228. No Miller cap, Double bootstrapping amp.
  229. What transistors do you recommend for a good LTP input?
  230. Overschoot problem with amp
  231. for Nelson Pass or Mr Curl
  232. improving my VAS
  233. Substitute for 2SJ55/2SK175 VMOS FET`s?
  234. Problems with building an amp...please help!
  235. Do you think this is a limiter?
  236. Sansui au-7900
  237. Yet another OPA2134-based headphoneamp
  238. CA 3080/LM 3886 tube pwr amp emulation
  239. Need schematic for Peavey 8.5c
  240. NI unity gain opamp equivalent but with discretes needed
  241. Question about adding caps to an amp
  242. Switching Power supply
  243. Quad 606/707 anyone?
  244. +/-15Vout opamp for gain stage
  245. Slew rate calculations - how much do I need?
  246. Three pin positive regulators
  247. leach amp pics first diy project
  248. please help me please..
  249. Bi120 Ampslab
  250. Increased symmetry in amplifier

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