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  1. Electrostatic damage on transistors
  2. Resistor/Inductor at Leach Output
  3. Hum
  4. crest audio power amplifier
  5. GAS116 & GAS 117 substitutes? HELP!
  6. Circuit boards, another dirty way to do!
  7. Help with some SWR Schematics
  8. Former audio snob humbled; Pioneer SX-1010 question
  9. Tone controls
  10. Open collector npn output
  11. Yamaha rx-550 question.
  12. optimizing the VBE multiplier
  13. Tech help needed Threshold S/300 MkII optical bias
  14. Recommendations for re-capping McIntosh MA-5100
  15. Voltage doubler
  16. Looking for Takahashi cct
  17. 300W PA Schematics
  18. Bedini 25/25 vs Bedini Classic 100 Vintage
  19. Help..Spice models for 2SA1215 2SC2921
  20. HK AVR45 suggestions needed
  21. DIY Front Panel !!
  22. DC offset in my p3a- need help!
  23. 4558 and TL072 question
  24. LTP bias current
  25. NAD 314 Bias Current/DC Offset
  26. LM3886 (or similar) as voltage regulator
  27. Extra/unused solder pads on the Leach Foil pattern?
  28. Technics SU-600 Amp
  29. ATX (computer) power supplies for power amp
  30. Please comment "my" design
  31. Denon Pma-860
  32. Which Amplifier for a DIY 12" Subwoofer?
  33. Luxman M03 schematic
  34. Leach output transistors
  35. 12-14V power supply questions.
  36. 5.1 Input on Rotel RSP-980
  37. Parasound P/HP-850
  38. Soundcraftsman MA5002 Bias
  39. Class A dilemma
  40. Denon PMA-2000
  41. Substituting capacitor in MA-5100
  42. safe operating area
  43. DC on output
  44. help with input pot please
  45. Realistic and Sony Receiver Questions
  46. The Leach Amp - Power supply?
  47. NAD 320BEE and speaker cable question
  48. Can I replace Samhwa caps in PS with smaller value ones of better quality ?
  49. Crimson Elektrik power amps
  50. Mac MA-5100 - Is this a capacitor coupled design?
  51. locate DVD player schematics
  52. Carver TFM Schematics?
  53. what is your favorite loundness or pre-amp or anykind of circuit that make good sound
  54. Minimal (passive?) linestage
  55. I am sleepy again
  56. Book to learn about amp building
  57. Generic Open Chassis Design ...
  58. onsemi "thermaltrak" transistors
  59. Help!
  60. The best Amplifier circuit ever made.
  61. Qsc Ex4000
  62. So, guys... Should I recap?
  63. EMI Interference In Rod Elliott's DOZ Amplifier
  64. DELTA PA-34A Power Amplifier by Jan Dupont
  65. Converting Nikko Alpha 230 to Leach Low TIM
  66. What happened to aussieamplifiers?
  67. dvd player tweaking hurdles
  68. Marantz 300DC Problem
  69. 25W MOSFET amp problem :(
  70. Kr-950
  71. Over voltage on capacitor
  72. stability
  73. Need comments and suggestions for this amp.
  74. Burn-in Leach amp??
  75. fet output stage stability
  76. Vbe Thermal Coupling Issue
  77. Zero DC Offset
  78. Very cheap toroid??
  79. Will sound reasonable?... this amplifier is amps lab cousin
  80. Music plays after amp is turned off.
  81. Adding pre-outs into a processor with separate internal amp?
  82. Thoughts Concerning Cordell, Otala, and Gilbert papers
  83. to-92 general purpose
  84. NAD 2200 REPAIR PartS Needed?
  85. amp help needed in Milwaukee
  86. NAD fuses, slow blow or fast blow?
  87. PP MOSFET amp with float supplies
  88. Let's Get Back To Bryston
  89. NAD Power Envelope question
  90. Replacement driver boards for the Quad 303
  91. Marantz KI difference?
  92. Tone Control, from inside the hell to your home
  93. 2sc5200/2sa1493 With +/- 78vdc ?
  94. what can i substitute the MJL4302A and the MJL4281A with?
  95. Old MOSFET schema. Opinions?
  96. Ampslab c200 soon finished.
  97. painted heatsinks & insulating washers
  98. Make your own temp. controlled iron
  99. Technics SA-300: dead FM tuner?
  100. Recommendation for regulator?
  101. Help with MOSFET selection
  102. McIntosh 5100 - worth restoration?
  103. Infinity BU1 amplified subwoofer. problems.
  104. B&K ST 125.2 Modification Project
  105. Dual Toroidals????
  106. A push-pull differential stage- why not?
  107. Mark Levinson No 27 Problem
  108. Discussion about Pioneer cheap DVD player
  109. Micro Precision serie 5 Linedriver
  110. Power Supply Design Question
  111. So, can I run a Hafler DH-500 without the lid?
  112. ca339e comparitor as phaze shift????
  113. Shielding with aluminum foil;)
  114. Need Schematics for ROTEL RDA-975
  115. I got this schematic of a power amp, would like comments
  116. Pioneer SA-1000 Service Manual
  117. Voltage conversion?
  118. traps in to3 construction
  119. Bias info with regard to Denon Amps
  120. LM6172 sound
  121. Looking for schematics...got a lot of parts...
  122. Non-feedback parametric linearisation in FETs
  123. Freeeee Ebook
  124. transistor "Ft" what about it?
  125. This paper...anyone?
  126. 3 constant current source questions
  127. Luxman SQ202 Hum on RH channel
  128. Need help on designing aspects of audio amplifier
  129. What contributes to DC-offset?
  130. PSU caps for Leach amp
  131. Where do you buy your components?
  132. power fets, bias, gain matching & other stuff.
  133. Why does the APT Holman preamp sound so good?
  134. power transistor output capacitance
  135. differential input stage
  136. Input Selector
  137. Merry...Merry Christmas Folks...
  138. Special for moderators and Jason, that let me be in peace all this ending year
  139. J-FET preamp/DI vs tubes
  140. MOSFETS on the same heatsink?
  141. Citation 12 Substitute Transistors
  142. denon 480r schematics
  143. Class A power follower
  144. Class A amp all over :) Need PSU!
  145. protecting high-powered mosfet amplifiers..
  146. You know you're a junkie when...
  147. Sansui G-7500 schematic needed
  148. Playmaster Pro Series 3 reviews
  149. Mark Levinson JC-2 problem ( broken Line driver )
  150. V. linear drivers and fast - 200v Vceo, 120mA
  151. Yamaha A-560 Amplifier
  152. Desperatly Need schematic for Pioneer A-77X
  153. Trying to fix my Cyrus II amp
  154. Doubling (or more) output stage voltage capability.
  155. Capacitor Voltage Rating
  156. Arcam Alpha 9 integrated amplifier
  157. transistor substitutes
  158. Newbie Question
  159. Novice in need of help
  160. Adcom GFA-585 went bad - calling Adcom experts
  161. My new design
  162. Transformer – shield wiring
  163. So, I ebayed this Hafler DH-110 preamp...
  164. Looking for schematic for Cal Sigma II Dac
  165. Survey - Actual Amp Temperatures
  166. Please Help with ADCOM GFA-555 II
  167. Hafler DH 220 amp sounds like tin can
  168. DC Adapter question for a Guitar Amp??
  169. JRC opamps
  170. Pioneer SA-8800
  171. pure n channel schem. help needed
  172. schematic for H/K citation 11
  173. convert voltage to resistance?
  174. Have transformer, will build
  175. ASR Active mainscable
  176. bridging two amps x4 power ?
  177. Share my methods to repair/build a discrete power amp
  178. Recommendations for stereo amplifier ?
  179. NEC Transistor? b965 / d1288 - 70W System
  180. I had some informs that this is a Harman Kardon schematic
  181. Would this work as a volume control???
  182. Classes of operation vs. sound quality
  183. any use for velodyne plate amps?
  184. Been a while, and I have a question. (long)
  185. AA1800 bias resistors
  186. Transistors?
  187. Project:OPTIMUM SHORT CIRCUIT PROTECTION IN MOSFET AMPS
  188. MJE15035 equivalent
  189. I Need Proel Prl 500 Schematic
  190. High power regulated, quasi-comp.
  191. verified Audio improvement suggestion on my Leach Super Amp. improve idea?
  192. What's the best diode for pwramp supplyyy
  193. My P68 board
  194. I need a reverse attenuator
  195. Sound Reinforcement amplifier design
  196. Rotel 820 schematics
  197. Simple upgrade for Rotel RA-01 amp..
  198. Superbuffer instead of OPAMP
  199. IRF's Hexfred or Schottky?
  200. Elektor 1982 Simulation
  201. REQ: Pioneer VSX-D1S Service Manual
  202. Evolve Amplifier
  203. 2sj72 Datasheet
  204. Class A for home use
  205. Fixing a Rotel 820
  206. Transformer Question
  207. Paper wanted...
  208. Amp has no power...Please help!
  209. sleepy man's question
  210. Low dist at high frequencies
  211. Installing a "main out" in an integrated amp?
  212. No Miller cap, Double bootstrapping amp.
  213. What transistors do you recommend for a good LTP input?
  214. Overschoot problem with amp
  215. for Nelson Pass or Mr Curl
  216. improving my VAS
  217. Substitute for 2SJ55/2SK175 VMOS FET`s?
  218. Problems with building an amp...please help!
  219. Do you think this is a limiter?
  220. Sansui au-7900
  221. Yet another OPA2134-based headphoneamp
  222. CA 3080/LM 3886 tube pwr amp emulation
  223. Need schematic for Peavey 8.5c
  224. NI unity gain opamp equivalent but with discretes needed
  225. Question about adding caps to an amp
  226. Switching Power supply
  227. Quad 606/707 anyone?
  228. +/-15Vout opamp for gain stage
  229. Slew rate calculations - how much do I need?
  230. Three pin positive regulators
  231. leach amp pics first diy project
  232. please help me please..
  233. Bi120 Ampslab
  234. Increased symmetry in amplifier
  235. Amp volume knob problem
  236. Need Advice for my first amp...
  237. Kairon Power amp (Hello, Canada!)
  238. Ordering from OnSemi
  239. Schematic for PM7000/7200/8000
  240. Eliminating capacitor in amplifier series feedback loop
  241. electronics surplus in sydney
  242. Vbe Multiplier Help Please
  243. What about Plinius audio, from New Zeland, are those amps good?
  244. Cleaning an Amplifier?
  245. Quiescent current drops when i touch the heatsink
  246. Which Amp to keep - Technics or NAD?
  247. JFET pair
  248. Another Leach Amp - Have we lost our Marbles?
  249. Class G Bias Questions
  250. Damage to linear regulators