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

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