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  1. High output impedance amplifier power
  2. schematic wanted
  3. Quad 606 modifications
  4. Preamp PCB
  5. How do you judge your equipment?
  6. can I disable van of my PA-amp?
  7. old aem6010
  8. Did u hear about Crescendo amps... ive heard that from Hunter Audio India...
  9. Leach amp - Almost done
  10. Yorkville PA powered head distortion
  11. tweak rotel pre amp
  12. Harman Kardon A401
  13. Leach Super Amp Pcb Re-Design (LSAPRD)
  14. Troubleshooting Help
  15. Soundstage with Class A/AB amps
  16. Leach wide bandwidth preamp.
  17. Op-amp open loop bandwidth.
  18. Hafler DH-225 and P-230
  19. Do this amp gives the freq response to 100khz?
  20. Floating caps, Hafler E+I's etc
  21. Nad 2200
  22. amplifier sound quality
  23. Linx power amp Ground loop? Oscillation? I'm a bit lost :-(
  24. Harman Kardon amp
  25. Help with Yamaha RA50
  26. Any early Krell Preamp schematics?
  27. I'm sweating this one.
  28. Ampli EPAM 75
  29. Anyone has Gryphone Antileon schematic ?
  30. Using enamelled copper wire
  31. Marchand PM224 MOSFET Module
  32. Luxman R-1050
  33. 2sc3298 & 2sa1306 Datasheets
  34. Upgrade advice - general and specific (Quad 33/303)
  35. Pioneer SA-8500 opinions ?
  36. Power Crest Factor
  37. Hafler 200 input strangeness
  38. Preamp schematic.
  39. does MOSFET need thermal compensation ?
  40. Old link to preamp schematics
  41. Us acoustics amp question
  42. Question about preamp feeding multiple outputs
  43. leach amp output problem
  44. Important Paper...
  45. eti 480 build problems
  46. Quad 405 mod
  47. velodyne spl 800 voltage
  48. Aunt Corey's preamp questions
  49. about ksa-100
  50. Harman Kardon A-401 Preamp Chaining??
  51. Anyone tried anything like this ?
  52. Pioneer A400 Phono stage
  53. Looking for Amp project suitable for a 35V and 15V Transformers?
  54. OPTI-MOS using 50-0-50 450VA TRAFO
  55. Another error correction output stage.
  56. Power transistors for DoZ?
  57. New Onsemi Devices
  58. Kenwood KA59 - KA89
  59. Phase Linear Turnoff Thump
  60. Check out the new Mosfet/Cmos tester!
  61. electronic crossover input impedancce
  62. McIntosh Schematic - Mac 250 transistor power amp?
  63. any reccomended mods for the elliot P3A?
  64. use of wood as enclosure
  65. Pavel's PM-A1 vs. Aleph 3
  66. SONY TAN80-ES questions
  67. Cyrus 3 amp problem
  68. Swapping IRFP9240/240's for SC5200/SA1943's??
  69. 22W OTL amplifier circuit
  70. I had used Audire Parlando
  71. floating charge supply
  72. How to blow an output transistor
  73. Optimum OpAmp Noise Performance
  74. 'parasound'
  75. PA amp vs. Hifi amp
  76. sources of 2SC5200/A1943
  77. Naim NAP90 amp schematics...
  78. "Never switching off" amp-is it possible in reality?
  79. High Current Amps
  80. nad 3020 SERIES 20 service manual
  81. Harman Kardon avr 20mkII, need help!
  82. Audire Parlando
  83. A Break thouogh fom B&O ??
  84. AR Amp
  85. Would this circuit work???
  86. Amplifier design: how to connect a stage with the next one?
  87. Yamaha A400; bias too high after driver chip replacement
  88. short-circuit protection in mosfet's amp...??
  89. Marantz MR 1130
  90. Leach opamp
  91. help identify spare 2SC2579 manufacturer
  92. BGW 750B output modules
  93. Power MOSFET class AB biasing
  94. RC constants & power amps
  95. leach amp trouble.....HELP!
  96. BJT spice model from datasheet - HOW TO?
  97. Setting the bias on an ESP P101
  98. Plate amps?
  99. 1600watt!!! power amp
  100. hk 770 snap crackle pop
  101. ps bypass caps on sub plate amp?
  102. BMM Electronics
  103. Old Parasound gear???
  104. Musical Fidelity Schematics?
  105. RCA thread - need a tap. What size?
  106. Mark Levinson 9 and 10 schematics needed
  107. Hafler Dh 220 muffled channel
  108. Search for the Sugden A21 schematic
  109. Citation 17 pre
  110. New TI chip unbal to bal
  111. Which NTC to limit inrush current
  112. 'active feedback' for distortion cancellation
  113. Building a audio preamp
  114. Wml Bias Problem
  115. Schematics for Heathkit AA-2500 Power Amp?
  116. OPA627 in class A - swap to 134 or 604?
  117. Randy Slone 6.6 design
  118. hafler DH-100 series 2 vs non series 2
  119. Links to High Current Regulated Power Supply?
  120. Preamp for mosfet amp...
  121. CCS Voltage Reference
  122. PSL Ve 2400 amplifier
  123. Current Source SPICE Model
  124. How much distortion can we hear?
  125. P68 Overheating!!
  126. Oscillation
  127. Isolating a hum?
  128. Missing schematics
  129. Hypex Active Amplifiers
  130. Is this fake, it blows too much easy for a rudged TIP36 transistor
  131. LEVINSON 333 Schematic??
  132. Parasound Preamp Troubleshooting
  133. P88 preamp power supply
  134. recommendations for mosfets?
  135. how to determine optimum load for source follower??
  136. Dual Devices
  137. Crown CE 2000 Help
  138. JFET swap in microphone - 2N3819, 2SK170
  139. Need help with a vintage stereo!
  140. CRCRC vs. LCLCLC which is better and why?
  141. Mosfet power follower (Pavel Macura)
  142. 990 discrete opamp
  143. How to cancel odd order harmonics?
  144. The big assembly question!
  145. how much power can i get fro IRFZ44?
  146. Simple OCL AMP
  147. HELP! Need Amp Info
  148. What to do with my leftover Toshibas
  149. No left channel on Technics SA-303
  150. 20W amp optimized for 1 Ohm load
  151. inverting / non-inverting op-amp circuits
  152. High quality amp with 2sk1530 and 2sj21
  153. External PS for Leach amp.
  154. Problems with bias setting
  155. Regulator output impedance
  156. Amplifier with LM317/337 voltage regs.
  157. JVC JA-S55 amp troubleshooting
  158. 3W Pure Class-A AMP
  159. Technics SU-X101 amp schematic wanted, and other questions
  160. how much power my amplifier out ?!
  161. Please comment this design
  162. E-Follower & P37 By Rod -- It's cool.
  163. rectifier upgrade for sub amp?
  164. Harman Kardon HK-6900
  165. amp problem please help
  166. Threshold 400 A
  167. Wrong heatsink for TO-39
  168. Anyone use output stage like this
  169. diy power amp
  170. nap 180 service
  171. Rotel RA-812 schematic needed
  172. Instant voltage and current circuit?
  173. So, what does crossover distortion sound like?
  174. help design SE preamp with mosfet buffer and step-up transformer.
  175. My first amp!!
  176. Looking for 2SK60 class A AMP circuit diagram
  177. diy lab supply
  178. Please comment my pcb P3a
  179. Optimal snubbers
  180. Cambridge Audio C500 & P500
  181. mixer or pre-amp
  182. Class A heatsinking, or heatsinking in general!
  183. Comment on my pre-amp schematic?
  184. Finished first amp!
  185. Reverse engineering a servo controller?
  186. Looking for APT40xxBN Experience and Comments
  187. need input on SS buffer w/transformer line amp.
  188. PSL Ve2400 vith problem
  189. hitachi ha-330 modification
  190. diy electronics
  191. Cambridge Audio Azur 540A amp noisy (50Hz?)
  192. pioneer A-501R amp
  193. schematic needed
  194. Looking for PS AUDIO Elite schematics
  195. subwoofer amp
  196. LCAudio Zeta Amplifier
  197. Electrocompaniet, how does it sound?
  198. Rod Elliot P68-2 PSU Recomendations
  199. Looking for Rotel RC970BX MII schematic
  200. Looking for Rotel RC970bx mkII schematic
  201. effect of unbalanced rails?
  202. Soldering the caps
  203. Acoustic Research Amplifier (solid state) help needed
  204. Nad NAD C162+C172 diagram(schematics)
  205. Electrostatic damage on transistors
  206. Resistor/Inductor at Leach Output
  207. Hum
  208. crest audio power amplifier
  209. GAS116 & GAS 117 substitutes? HELP!
  210. Circuit boards, another dirty way to do!
  211. Help with some SWR Schematics
  212. Former audio snob humbled; Pioneer SX-1010 question
  213. Tone controls
  214. Open collector npn output
  215. Yamaha rx-550 question.
  216. optimizing the VBE multiplier
  217. Tech help needed Threshold S/300 MkII optical bias
  218. Recommendations for re-capping McIntosh MA-5100
  219. Voltage doubler
  220. Looking for Takahashi cct
  221. 300W PA Schematics
  222. Bedini 25/25 vs Bedini Classic 100 Vintage
  223. Help..Spice models for 2SA1215 2SC2921
  224. HK AVR45 suggestions needed
  225. DIY Front Panel !!
  226. DC offset in my p3a- need help!
  227. 4558 and TL072 question
  228. LTP bias current
  229. NAD 314 Bias Current/DC Offset
  230. LM3886 (or similar) as voltage regulator
  231. Extra/unused solder pads on the Leach Foil pattern?
  232. Technics SU-600 Amp
  233. ATX (computer) power supplies for power amp
  234. Please comment "my" design
  235. Denon Pma-860
  236. Which Amplifier for a DIY 12" Subwoofer?
  237. Luxman M03 schematic
  238. Leach output transistors
  239. 12-14V power supply questions.
  240. 5.1 Input on Rotel RSP-980
  241. Parasound P/HP-850
  242. Soundcraftsman MA5002 Bias
  243. Class A dilemma
  244. Denon PMA-2000
  245. Substituting capacitor in MA-5100
  246. safe operating area
  247. DC on output
  248. help with input pot please
  249. Realistic and Sony Receiver Questions
  250. The Leach Amp - Power supply?

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