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  1. PSU caps for Leach amp
  2. Where do you buy your components?
  3. power fets, bias, gain matching & other stuff.
  4. Why does the APT Holman preamp sound so good?
  5. power transistor output capacitance
  6. differential input stage
  7. Input Selector
  8. Merry...Merry Christmas Folks...
  9. Special for moderators and Jason, that let me be in peace all this ending year
  10. J-FET preamp/DI vs tubes
  11. MOSFETS on the same heatsink?
  12. Citation 12 Substitute Transistors
  13. denon 480r schematics
  14. Class A power follower
  15. Class A amp all over :) Need PSU!
  16. protecting high-powered mosfet amplifiers..
  17. You know you're a junkie when...
  18. Sansui G-7500 schematic needed
  19. Playmaster Pro Series 3 reviews
  20. Mark Levinson JC-2 problem ( broken Line driver )
  21. V. linear drivers and fast - 200v Vceo, 120mA
  22. Yamaha A-560 Amplifier
  23. Desperatly Need schematic for Pioneer A-77X
  24. Trying to fix my Cyrus II amp
  25. Doubling (or more) output stage voltage capability.
  26. Capacitor Voltage Rating
  27. Arcam Alpha 9 integrated amplifier
  28. transistor substitutes
  29. Newbie Question
  30. Novice in need of help
  31. Adcom GFA-585 went bad - calling Adcom experts
  32. My new design
  33. Transformer – shield wiring
  34. So, I ebayed this Hafler DH-110 preamp...
  35. Looking for schematic for Cal Sigma II Dac
  36. Survey - Actual Amp Temperatures
  37. Please Help with ADCOM GFA-555 II
  38. Hafler DH 220 amp sounds like tin can
  39. DC Adapter question for a Guitar Amp??
  40. JRC opamps
  41. Pioneer SA-8800
  42. pure n channel schem. help needed
  43. schematic for H/K citation 11
  44. convert voltage to resistance?
  45. Have transformer, will build
  46. ASR Active mainscable
  47. bridging two amps x4 power ?
  48. Share my methods to repair/build a discrete power amp
  49. Recommendations for stereo amplifier ?
  50. NEC Transistor? b965 / d1288 - 70W System
  51. I had some informs that this is a Harman Kardon schematic
  52. Would this work as a volume control???
  53. Classes of operation vs. sound quality
  54. any use for velodyne plate amps?
  55. Been a while, and I have a question. (long)
  56. AA1800 bias resistors
  57. Transistors?
  58. Project:OPTIMUM SHORT CIRCUIT PROTECTION IN MOSFET AMPS
  59. MJE15035 equivalent
  60. I Need Proel Prl 500 Schematic
  61. High power regulated, quasi-comp.
  62. verified Audio improvement suggestion on my Leach Super Amp. improve idea?
  63. What's the best diode for pwramp supplyyy
  64. My P68 board
  65. I need a reverse attenuator
  66. Sound Reinforcement amplifier design
  67. Rotel 820 schematics
  68. Simple upgrade for Rotel RA-01 amp..
  69. Superbuffer instead of OPAMP
  70. IRF's Hexfred or Schottky?
  71. Elektor 1982 Simulation
  72. REQ: Pioneer VSX-D1S Service Manual
  73. Evolve Amplifier
  74. 2sj72 Datasheet
  75. Class A for home use
  76. Fixing a Rotel 820
  77. Transformer Question
  78. Paper wanted...
  79. Amp has no power...Please help!
  80. sleepy man's question
  81. Low dist at high frequencies
  82. Installing a "main out" in an integrated amp?
  83. No Miller cap, Double bootstrapping amp.
  84. What transistors do you recommend for a good LTP input?
  85. Overschoot problem with amp
  86. for Nelson Pass or Mr Curl
  87. improving my VAS
  88. Substitute for 2SJ55/2SK175 VMOS FET`s?
  89. Problems with building an amp...please help!
  90. Do you think this is a limiter?
  91. Sansui au-7900
  92. Yet another OPA2134-based headphoneamp
  93. CA 3080/LM 3886 tube pwr amp emulation
  94. Need schematic for Peavey 8.5c
  95. NI unity gain opamp equivalent but with discretes needed
  96. Question about adding caps to an amp
  97. Switching Power supply
  98. Quad 606/707 anyone?
  99. +/-15Vout opamp for gain stage
  100. Slew rate calculations - how much do I need?
  101. Three pin positive regulators
  102. leach amp pics first diy project
  103. please help me please..
  104. Bi120 Ampslab
  105. Increased symmetry in amplifier
  106. Amp volume knob problem
  107. Need Advice for my first amp...
  108. Kairon Power amp (Hello, Canada!)
  109. Ordering from OnSemi
  110. Schematic for PM7000/7200/8000
  111. Eliminating capacitor in amplifier series feedback loop
  112. electronics surplus in sydney
  113. Vbe Multiplier Help Please
  114. What about Plinius audio, from New Zeland, are those amps good?
  115. Cleaning an Amplifier?
  116. Quiescent current drops when i touch the heatsink
  117. Which Amp to keep - Technics or NAD?
  118. JFET pair
  119. Another Leach Amp - Have we lost our Marbles?
  120. Class G Bias Questions
  121. Damage to linear regulators
  122. SPICE model for 2SK413, 2SJ118
  123. schemetic of Accuphase A-100
  124. Class A amp
  125. Phase Linear 200 schematic
  126. What's inside the Marantz SC-22 preamp?
  127. Mystery Amplifier - check it out
  128. Build 12V to 220V inverter from 555 timer
  129. suitable equivalent to mjl21193/4
  130. Can I get this amp to work?
  131. Transistor, can you inform prices?
  132. Question regarding capacitors
  133. k6 amp........
  134. detailed examination of 5 watts class a amplifier circuit
  135. Adcom 555 II channel failure
  136. tone control board quad 44
  137. Resistor keeps burning in my Marantz 1060!
  138. ESP P68 and P3A
  139. Thumbs up for ampslab and the Bi120.
  140. Guitar Amp help...I'm halfway there.
  141. Pioneer RT-909
  142. 2N6213 Complement
  143. Attn: Sydney, AUS Members
  144. PCB Express TO-264
  145. How do n- and p-channel fets cancel distortion?
  146. leach amp dc off-set
  147. Got ALTEC Amp Schematic(s)??
  148. ERC Protel99 problem, please help!
  149. Crossover distortion
  150. trouble shooting my DD receiver
  151. PSpice model library - please help
  152. 2SA483 Complement
  153. Who am I ?
  154. No miller compensation
  155. Op amp class A biasing.
  156. Computer heatsinks for audio
  157. Leach clone, pretty good looking
  158. Lynx from ACD Help
  159. Almost there........Feedback Problem Perhaps??
  160. ADC for relay volume control?
  161. RBF840 parameters ???
  162. need darlington amplifier schematics
  163. Are this amp's transistors worth upgrading?
  164. Rf punch amp won't turn on
  165. schematics for power mosfets?
  166. NAD 7130 troubleshooting
  167. heat sink problem
  168. muddy sounding mosfets
  169. Parasound HCA-3500 USA to UK power supply
  170. Help with VAS problem ?
  171. So,I wanna build another amp..
  172. Quad FM4 problem
  173. Genesis Stealth Amp
  174. Running A Power Amp And A Receiver
  175. What size Capacitors to use?
  176. Help!needed Mark Levinson's schematics
  177. DC servo in Amp
  178. Amplifiers, AB comparative testing, a blind test method.
  179. Upgrading outputs
  180. mic pre pcb needed
  181. Components used in LEACH AMP !
  182. The AV400......
  183. What kind of wattage do you think this has?
  184. relay based attenuator
  185. citation 7.1
  186. Amp Schematics up and some music
  187. Schematics needed for a Sansui A-40
  188. New Dynamp
  189. toroidal or not toroidal
  190. can I run 2 torroid in parallel operation?
  191. Hafler DH 200 problem
  192. Arcam delta 90.2 - Problems
  193. Does anyone have a schematic for a Marantz ST-253
  194. cmoy automated parts list?
  195. Guitar Amp idea. Is this possible??
  196. Old Receiver
  197. quiescent current different on both channels?
  198. simple Subwoofer amplifier...
  199. Genuine 2SC5200 ???
  200. power follower 99 help
  201. Noise from amp, appeared once, now gone??
  202. Amplifier do not need to have 0.001% distortion, speaker cannot reproduce quality
  203. is series sources?
  204. faster transistors
  205. testing the post
  206. measuring quiescent current of power amp question
  207. simple preamp
  208. Load Current limiting
  209. 15yrs old Conrad kit: good enough trying?
  210. True Balanced
  211. Modding my Soundcraftsmen
  212. Arcam Alpha 7R Schematic wanted
  213. ADC + 4067 Volume Control
  214. TL783 to be obsoleted byTI
  215. interface resistance
  216. Load (speaker) model?
  217. Modding a high power amp...
  218. Crazy plate amp idea...
  219. Adcom GFA 555-II- Didn't like short on output :-(
  220. A question on Bridged Mono
  221. AM1600 (2x810W / 4 ohm)
  222. NAD 3020 restoration
  223. Transistor Cross Reference
  224. Münster, a diy copy with modifications of an old Sony, have some suggestions?
  225. Schematics needed for a Marantz 1020
  226. Need a Schematic
  227. Transformer Damaged?
  228. schematic for h/k CITATION 16 / sixteen
  229. High loop Gain Composite Op Amp Circuits
  230. Classification Mess Up
  231. Peavey cs800 schematic
  232. Classe DR-8 topology ?
  233. Distortion on Power Amp that goes away when tapped?
  234. Current feed back again..............
  235. JLH Help - Minimise dc offset drift
  236. Kenwood KR-9600 troubleshooting question
  237. Is there much sound difference in using multiple small caps
  238. schematic request: harman kardon citation XXp
  239. Is it OK to add a large bank of caps outside the amp?
  240. Myst TMA3 transistors Hitachi 2SK226 2SJ82
  241. "New" Powersupply...
  242. Have you ever built this balanced amplifier
  243. DIY - Produce 10 Watts in 10 minutes
  244. comparator
  245. impedance problem
  246. Unnamed feedback method explored.
  247. Carlosfm's Regulated PSU for GC
  248. lm3886 as driver + mjw21195/6
  249. Ghost in the house???
  250. here's my approach

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