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  1. A push-pull differential stage- why not?
  2. Mark Levinson No 27 Problem
  3. Discussion about Pioneer cheap DVD player
  4. Micro Precision serie 5 Linedriver
  5. Power Supply Design Question
  6. So, can I run a Hafler DH-500 without the lid?
  7. ca339e comparitor as phaze shift????
  8. Shielding with aluminum foil;)
  9. Need Schematics for ROTEL RDA-975
  10. I got this schematic of a power amp, would like comments
  11. Pioneer SA-1000 Service Manual
  12. Voltage conversion?
  13. traps in to3 construction
  14. Bias info with regard to Denon Amps
  15. LM6172 sound
  16. Looking for schematics...got a lot of parts...
  17. Non-feedback parametric linearisation in FETs
  18. Freeeee Ebook
  19. transistor "Ft" what about it?
  20. This paper...anyone?
  21. 3 constant current source questions
  22. Luxman SQ202 Hum on RH channel
  23. Need help on designing aspects of audio amplifier
  24. What contributes to DC-offset?
  25. PSU caps for Leach amp
  26. Where do you buy your components?
  27. power fets, bias, gain matching & other stuff.
  28. Why does the APT Holman preamp sound so good?
  29. power transistor output capacitance
  30. differential input stage
  31. Input Selector
  32. Merry...Merry Christmas Folks...
  33. Special for moderators and Jason, that let me be in peace all this ending year
  34. J-FET preamp/DI vs tubes
  35. MOSFETS on the same heatsink?
  36. Citation 12 Substitute Transistors
  37. denon 480r schematics
  38. Class A power follower
  39. Class A amp all over :) Need PSU!
  40. protecting high-powered mosfet amplifiers..
  41. You know you're a junkie when...
  42. Sansui G-7500 schematic needed
  43. Playmaster Pro Series 3 reviews
  44. Mark Levinson JC-2 problem ( broken Line driver )
  45. V. linear drivers and fast - 200v Vceo, 120mA
  46. Yamaha A-560 Amplifier
  47. Desperatly Need schematic for Pioneer A-77X
  48. Trying to fix my Cyrus II amp
  49. Doubling (or more) output stage voltage capability.
  50. Capacitor Voltage Rating
  51. Arcam Alpha 9 integrated amplifier
  52. transistor substitutes
  53. Newbie Question
  54. Novice in need of help
  55. Adcom GFA-585 went bad - calling Adcom experts
  56. My new design
  57. Transformer – shield wiring
  58. So, I ebayed this Hafler DH-110 preamp...
  59. Looking for schematic for Cal Sigma II Dac
  60. Survey - Actual Amp Temperatures
  61. Please Help with ADCOM GFA-555 II
  62. Hafler DH 220 amp sounds like tin can
  63. JRC opamps
  64. Pioneer SA-8800
  65. pure n channel schem. help needed
  66. schematic for H/K citation 11
  67. convert voltage to resistance?
  68. Have transformer, will build
  69. ASR Active mainscable
  70. bridging two amps x4 power ?
  71. Share my methods to repair/build a discrete power amp
  72. Recommendations for stereo amplifier ?
  73. NEC Transistor? b965 / d1288 - 70W System
  74. I had some informs that this is a Harman Kardon schematic
  75. Would this work as a volume control???
  76. Classes of operation vs. sound quality
  77. any use for velodyne plate amps?
  78. Been a while, and I have a question. (long)
  79. AA1800 bias resistors
  80. Transistors?
  81. Project:OPTIMUM SHORT CIRCUIT PROTECTION IN MOSFET AMPS
  82. MJE15035 equivalent
  83. I Need Proel Prl 500 Schematic
  84. High power regulated, quasi-comp.
  85. verified Audio improvement suggestion on my Leach Super Amp. improve idea?
  86. What's the best diode for pwramp supplyyy
  87. My P68 board
  88. I need a reverse attenuator
  89. Sound Reinforcement amplifier design
  90. Rotel 820 schematics
  91. Simple upgrade for Rotel RA-01 amp..
  92. Superbuffer instead of OPAMP
  93. IRF's Hexfred or Schottky?
  94. Elektor 1982 Simulation
  95. REQ: Pioneer VSX-D1S Service Manual
  96. Evolve Amplifier
  97. 2sj72 Datasheet
  98. Class A for home use
  99. Fixing a Rotel 820
  100. Transformer Question
  101. Paper wanted...
  102. Amp has no power...Please help!
  103. sleepy man's question
  104. Low dist at high frequencies
  105. Installing a "main out" in an integrated amp?
  106. No Miller cap, Double bootstrapping amp.
  107. What transistors do you recommend for a good LTP input?
  108. Overschoot problem with amp
  109. for Nelson Pass or Mr Curl
  110. improving my VAS
  111. Substitute for 2SJ55/2SK175 VMOS FET`s?
  112. Problems with building an amp...please help!
  113. Do you think this is a limiter?
  114. Sansui au-7900
  115. Yet another OPA2134-based headphoneamp
  116. CA 3080/LM 3886 tube pwr amp emulation
  117. NI unity gain opamp equivalent but with discretes needed
  118. Question about adding caps to an amp
  119. Switching Power supply
  120. Quad 606/707 anyone?
  121. +/-15Vout opamp for gain stage
  122. Slew rate calculations - how much do I need?
  123. Three pin positive regulators
  124. leach amp pics first diy project
  125. please help me please..
  126. Bi120 Ampslab
  127. Increased symmetry in amplifier
  128. Amp volume knob problem
  129. Need Advice for my first amp...
  130. Kairon Power amp (Hello, Canada!)
  131. Ordering from OnSemi
  132. Schematic for PM7000/7200/8000
  133. Eliminating capacitor in amplifier series feedback loop
  134. electronics surplus in sydney
  135. Vbe Multiplier Help Please
  136. What about Plinius audio, from New Zeland, are those amps good?
  137. Cleaning an Amplifier?
  138. Quiescent current drops when i touch the heatsink
  139. Which Amp to keep - Technics or NAD?
  140. JFET pair
  141. Another Leach Amp - Have we lost our Marbles?
  142. Class G Bias Questions
  143. Damage to linear regulators
  144. SPICE model for 2SK413, 2SJ118
  145. schemetic of Accuphase A-100
  146. Class A amp
  147. Phase Linear 200 schematic
  148. What's inside the Marantz SC-22 preamp?
  149. Mystery Amplifier - check it out
  150. Build 12V to 220V inverter from 555 timer
  151. suitable equivalent to mjl21193/4
  152. Can I get this amp to work?
  153. Transistor, can you inform prices?
  154. Question regarding capacitors
  155. k6 amp........
  156. detailed examination of 5 watts class a amplifier circuit
  157. Adcom 555 II channel failure
  158. tone control board quad 44
  159. Resistor keeps burning in my Marantz 1060!
  160. ESP P68 and P3A
  161. Thumbs up for ampslab and the Bi120.
  162. Pioneer RT-909
  163. 2N6213 Complement
  164. Attn: Sydney, AUS Members
  165. PCB Express TO-264
  166. How do n- and p-channel fets cancel distortion?
  167. leach amp dc off-set
  168. Got ALTEC Amp Schematic(s)??
  169. ERC Protel99 problem, please help!
  170. Crossover distortion
  171. trouble shooting my DD receiver
  172. PSpice model library - please help
  173. 2SA483 Complement
  174. Who am I ?
  175. No miller compensation
  176. Op amp class A biasing.
  177. Computer heatsinks for audio
  178. Leach clone, pretty good looking
  179. Lynx from ACD Help
  180. Almost there........Feedback Problem Perhaps??
  181. ADC for relay volume control?
  182. RBF840 parameters ???
  183. need darlington amplifier schematics
  184. Are this amp's transistors worth upgrading?
  185. Rf punch amp won't turn on
  186. schematics for power mosfets?
  187. NAD 7130 troubleshooting
  188. heat sink problem
  189. muddy sounding mosfets
  190. Parasound HCA-3500 USA to UK power supply
  191. Help with VAS problem ?
  192. So,I wanna build another amp..
  193. Quad FM4 problem
  194. Genesis Stealth Amp
  195. Running A Power Amp And A Receiver
  196. What size Capacitors to use?
  197. Help!needed Mark Levinson's schematics
  198. DC servo in Amp
  199. Amplifiers, AB comparative testing, a blind test method.
  200. Upgrading outputs
  201. mic pre pcb needed
  202. Components used in LEACH AMP !
  203. The AV400......
  204. What kind of wattage do you think this has?
  205. relay based attenuator
  206. citation 7.1
  207. Amp Schematics up and some music
  208. Schematics needed for a Sansui A-40
  209. New Dynamp
  210. toroidal or not toroidal
  211. can I run 2 torroid in parallel operation?
  212. Hafler DH 200 problem
  213. Arcam delta 90.2 - Problems
  214. Does anyone have a schematic for a Marantz ST-253
  215. cmoy automated parts list?
  216. Old Receiver
  217. quiescent current different on both channels?
  218. simple Subwoofer amplifier...
  219. Genuine 2SC5200 ???
  220. power follower 99 help
  221. Noise from amp, appeared once, now gone??
  222. Amplifier do not need to have 0.001% distortion, speaker cannot reproduce quality
  223. is series sources?
  224. faster transistors
  225. testing the post
  226. measuring quiescent current of power amp question
  227. simple preamp
  228. Load Current limiting
  229. 15yrs old Conrad kit: good enough trying?
  230. True Balanced
  231. Modding my Soundcraftsmen
  232. Arcam Alpha 7R Schematic wanted
  233. ADC + 4067 Volume Control
  234. TL783 to be obsoleted byTI
  235. interface resistance
  236. Load (speaker) model?
  237. Modding a high power amp...
  238. Crazy plate amp idea...
  239. Adcom GFA 555-II- Didn't like short on output :-(
  240. A question on Bridged Mono
  241. AM1600 (2x810W / 4 ohm)
  242. NAD 3020 restoration
  243. Transistor Cross Reference
  244. Münster, a diy copy with modifications of an old Sony, have some suggestions?
  245. Schematics needed for a Marantz 1020
  246. Need a Schematic
  247. Transformer Damaged?
  248. schematic for h/k CITATION 16 / sixteen
  249. High loop Gain Composite Op Amp Circuits
  250. Classification Mess Up

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