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  1. NAD Power Envelope question
  2. Replacement driver boards for the Quad 303
  3. Marantz KI difference?
  4. Tone Control, from inside the hell to your home
  5. 2sc5200/2sa1493 With +/- 78vdc ?
  6. what can i substitute the MJL4302A and the MJL4281A with?
  7. Old MOSFET schema. Opinions?
  8. Ampslab c200 soon finished.
  9. painted heatsinks & insulating washers
  10. Make your own temp. controlled iron
  11. Technics SA-300: dead FM tuner?
  12. Recommendation for regulator?
  13. Help with MOSFET selection
  14. McIntosh 5100 - worth restoration?
  15. Infinity BU1 amplified subwoofer. problems.
  16. B&K ST 125.2 Modification Project
  17. Dual Toroidals????
  18. A push-pull differential stage- why not?
  19. Mark Levinson No 27 Problem
  20. Discussion about Pioneer cheap DVD player
  21. Micro Precision serie 5 Linedriver
  22. Power Supply Design Question
  23. So, can I run a Hafler DH-500 without the lid?
  24. ca339e comparitor as phaze shift????
  25. Shielding with aluminum foil;)
  26. Need Schematics for ROTEL RDA-975
  27. I got this schematic of a power amp, would like comments
  28. Pioneer SA-1000 Service Manual
  29. Voltage conversion?
  30. traps in to3 construction
  31. Bias info with regard to Denon Amps
  32. LM6172 sound
  33. Looking for schematics...got a lot of parts...
  34. Non-feedback parametric linearisation in FETs
  35. Freeeee Ebook
  36. transistor "Ft" what about it?
  37. This paper...anyone?
  38. 3 constant current source questions
  39. Luxman SQ202 Hum on RH channel
  40. Need help on designing aspects of audio amplifier
  41. What contributes to DC-offset?
  42. PSU caps for Leach amp
  43. Where do you buy your components?
  44. power fets, bias, gain matching & other stuff.
  45. Why does the APT Holman preamp sound so good?
  46. power transistor output capacitance
  47. differential input stage
  48. Input Selector
  49. Merry...Merry Christmas Folks...
  50. Special for moderators and Jason, that let me be in peace all this ending year
  51. J-FET preamp/DI vs tubes
  52. MOSFETS on the same heatsink?
  53. Citation 12 Substitute Transistors
  54. denon 480r schematics
  55. Class A power follower
  56. Class A amp all over :) Need PSU!
  57. protecting high-powered mosfet amplifiers..
  58. You know you're a junkie when...
  59. Sansui G-7500 schematic needed
  60. Playmaster Pro Series 3 reviews
  61. Mark Levinson JC-2 problem ( broken Line driver )
  62. V. linear drivers and fast - 200v Vceo, 120mA
  63. Yamaha A-560 Amplifier
  64. Desperatly Need schematic for Pioneer A-77X
  65. Trying to fix my Cyrus II amp
  66. Doubling (or more) output stage voltage capability.
  67. Capacitor Voltage Rating
  68. Arcam Alpha 9 integrated amplifier
  69. transistor substitutes
  70. Newbie Question
  71. Novice in need of help
  72. Adcom GFA-585 went bad - calling Adcom experts
  73. My new design
  74. Transformer shield wiring
  75. So, I ebayed this Hafler DH-110 preamp...
  76. Looking for schematic for Cal Sigma II Dac
  77. Survey - Actual Amp Temperatures
  78. Please Help with ADCOM GFA-555 II
  79. Hafler DH 220 amp sounds like tin can
  80. DC Adapter question for a Guitar Amp??
  81. JRC opamps
  82. Pioneer SA-8800
  83. pure n channel schem. help needed
  84. schematic for H/K citation 11
  85. convert voltage to resistance?
  86. Have transformer, will build
  87. ASR Active mainscable
  88. bridging two amps x4 power ?
  89. Share my methods to repair/build a discrete power amp
  90. Recommendations for stereo amplifier ?
  91. NEC Transistor? b965 / d1288 - 70W System
  92. I had some informs that this is a Harman Kardon schematic
  93. Would this work as a volume control???
  94. Classes of operation vs. sound quality
  95. any use for velodyne plate amps?
  96. Been a while, and I have a question. (long)
  97. AA1800 bias resistors
  98. Transistors?
  99. Project:OPTIMUM SHORT CIRCUIT PROTECTION IN MOSFET AMPS
  100. MJE15035 equivalent
  101. I Need Proel Prl 500 Schematic
  102. High power regulated, quasi-comp.
  103. verified Audio improvement suggestion on my Leach Super Amp. improve idea?
  104. What's the best diode for pwramp supplyyy
  105. My P68 board
  106. I need a reverse attenuator
  107. Sound Reinforcement amplifier design
  108. Rotel 820 schematics
  109. Simple upgrade for Rotel RA-01 amp..
  110. Superbuffer instead of OPAMP
  111. IRF's Hexfred or Schottky?
  112. Elektor 1982 Simulation
  113. REQ: Pioneer VSX-D1S Service Manual
  114. Evolve Amplifier
  115. 2sj72 Datasheet
  116. Class A for home use
  117. Fixing a Rotel 820
  118. Transformer Question
  119. Paper wanted...
  120. Amp has no power...Please help!
  121. sleepy man's question
  122. Low dist at high frequencies
  123. Installing a "main out" in an integrated amp?
  124. No Miller cap, Double bootstrapping amp.
  125. What transistors do you recommend for a good LTP input?
  126. Overschoot problem with amp
  127. for Nelson Pass or Mr Curl
  128. improving my VAS
  129. Substitute for 2SJ55/2SK175 VMOS FET`s?
  130. Problems with building an amp...please help!
  131. Do you think this is a limiter?
  132. Sansui au-7900
  133. Yet another OPA2134-based headphoneamp
  134. CA 3080/LM 3886 tube pwr amp emulation
  135. Need schematic for Peavey 8.5c
  136. NI unity gain opamp equivalent but with discretes needed
  137. Question about adding caps to an amp
  138. Switching Power supply
  139. Quad 606/707 anyone?
  140. +/-15Vout opamp for gain stage
  141. Slew rate calculations - how much do I need?
  142. Three pin positive regulators
  143. leach amp pics first diy project
  144. please help me please..
  145. Bi120 Ampslab
  146. Increased symmetry in amplifier
  147. Amp volume knob problem
  148. Need Advice for my first amp...
  149. Kairon Power amp (Hello, Canada!)
  150. Ordering from OnSemi
  151. Schematic for PM7000/7200/8000
  152. Eliminating capacitor in amplifier series feedback loop
  153. electronics surplus in sydney
  154. Vbe Multiplier Help Please
  155. What about Plinius audio, from New Zeland, are those amps good?
  156. Cleaning an Amplifier?
  157. Quiescent current drops when i touch the heatsink
  158. Which Amp to keep - Technics or NAD?
  159. JFET pair
  160. Another Leach Amp - Have we lost our Marbles?
  161. Class G Bias Questions
  162. Damage to linear regulators
  163. SPICE model for 2SK413, 2SJ118
  164. schemetic of Accuphase A-100
  165. Class A amp
  166. Phase Linear 200 schematic
  167. What's inside the Marantz SC-22 preamp?
  168. Mystery Amplifier - check it out
  169. Build 12V to 220V inverter from 555 timer
  170. suitable equivalent to mjl21193/4
  171. Can I get this amp to work?
  172. Transistor, can you inform prices?
  173. Question regarding capacitors
  174. k6 amp........
  175. detailed examination of 5 watts class a amplifier circuit
  176. Adcom 555 II channel failure
  177. tone control board quad 44
  178. Resistor keeps burning in my Marantz 1060!
  179. ESP P68 and P3A
  180. Thumbs up for ampslab and the Bi120.
  181. Guitar Amp help...I'm halfway there.
  182. Pioneer RT-909
  183. 2N6213 Complement
  184. Attn: Sydney, AUS Members
  185. PCB Express TO-264
  186. How do n- and p-channel fets cancel distortion?
  187. leach amp dc off-set
  188. Got ALTEC Amp Schematic(s)??
  189. ERC Protel99 problem, please help!
  190. Crossover distortion
  191. trouble shooting my DD receiver
  192. PSpice model library - please help
  193. 2SA483 Complement
  194. Who am I ?
  195. No miller compensation
  196. Op amp class A biasing.
  197. Computer heatsinks for audio
  198. Leach clone, pretty good looking
  199. Lynx from ACD Help
  200. Almost there........Feedback Problem Perhaps??
  201. ADC for relay volume control?
  202. RBF840 parameters ???
  203. need darlington amplifier schematics
  204. Are this amp's transistors worth upgrading?
  205. Rf punch amp won't turn on
  206. schematics for power mosfets?
  207. NAD 7130 troubleshooting
  208. heat sink problem
  209. muddy sounding mosfets
  210. Parasound HCA-3500 USA to UK power supply
  211. Help with VAS problem ?
  212. So,I wanna build another amp..
  213. Quad FM4 problem
  214. Genesis Stealth Amp
  215. Running A Power Amp And A Receiver
  216. What size Capacitors to use?
  217. Help!needed Mark Levinson's schematics
  218. DC servo in Amp
  219. Amplifiers, AB comparative testing, a blind test method.
  220. Upgrading outputs
  221. mic pre pcb needed
  222. Components used in LEACH AMP !
  223. The AV400......
  224. What kind of wattage do you think this has?
  225. relay based attenuator
  226. citation 7.1
  227. Amp Schematics up and some music
  228. Schematics needed for a Sansui A-40
  229. New Dynamp
  230. toroidal or not toroidal
  231. can I run 2 torroid in parallel operation?
  232. Hafler DH 200 problem
  233. Arcam delta 90.2 - Problems
  234. Does anyone have a schematic for a Marantz ST-253
  235. cmoy automated parts list?
  236. Guitar Amp idea. Is this possible??
  237. Old Receiver
  238. quiescent current different on both channels?
  239. simple Subwoofer amplifier...
  240. Genuine 2SC5200 ???
  241. power follower 99 help
  242. Noise from amp, appeared once, now gone??
  243. Amplifier do not need to have 0.001% distortion, speaker cannot reproduce quality
  244. is series sources?
  245. faster transistors
  246. testing the post
  247. measuring quiescent current of power amp question
  248. simple preamp
  249. Load Current limiting
  250. 15yrs old Conrad kit: good enough trying?

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