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  1. ampli mosfet irf 540 + irf9540
  2. 2sd555 question
  3. MF E300 improvements..?
  4. Mains hum on a guitar effect unit! Help (circuit enclosed)
  5. Rotel RB850 transformer blown?
  6. Noobie needs some design help
  7. X, SSM2142, and voltage feedback?
  8. kenwood L07C preamp,Any good?
  9. Adcom GFA-555 questions...
  10. How to drive 8 pairs of MJL21193/94?
  11. rotel rx-830
  12. QUAD 909 Mono, voltage converting.
  13. Harrison K 3000 power amplifier schematics
  14. Some elementary questions about dumb-simple MC stage design
  15. Resistors overheating.
  16. About amplifier
  17. TGM Amplifier ?
  18. valveaudio PCBs
  19. A Lot Of Schematics & Service Manuals Here
  20. Cambridge Audio Azur 540A protection mode
  21. Regulated PS with LM3X7 ?
  22. Rectifiers replacement in Nad3020
  23. Is this a SATRI amp?
  24. Harman Kardon 730
  25. PCB Marantz PM-11S1???
  26. exposure 3010
  27. NE555 two times delay
  28. PSU Reservoir Capacitors (Single large vs Multiple small)
  29. 2sk1058 and 2sj162 subs
  30. Nad 3300PE
  31. Our concerns about numbers, harmonics, distortion, square waves, THD, measurements
  32. Bias current for 2sa1216? 100mA Ok?
  33. Kenwood Basic M1a blowing fuses
  34. Luxman R-1050 User Info or repair shop
  35. KRS 200 schematic
  36. A low noise byproduct
  37. Choke regulated power supply for S/S amp
  38. Dynaco 400 amp mods
  39. Hello I am looking for a crossreference book or ebook
  40. Help needed! strange sound from nmos quasi amp
  41. Help! Tannoy AMS 8 A active monitors schematics wanted
  42. Most linear region of Mosfets ?
  43. Sinusoidal, Pink Noise & Duty Cycles.
  44. Power supply Linear or Switching
  45. Voltage references for input and VAS stages
  46. Looking For Some Info About Electrocompaniet
  47. McIntosh 2120 SCHEMATIC
  48. Design high-End of brazil
  49. Crimson Electric Preamp
  50. Krill construction thread - 100W version
  51. Playmaster series 1 schematic
  52. Help with E-mu soundcard and lousy crosstalk
  53. Krill - building guidelines
  54. Exposure 2010 No Power Supply
  55. NAD 2155 power transformer.
  56. Opinion On my Setup.. = . =
  57. Help Needed Older Hk Citation 16
  58. Help with noisy fan
  59. Marantz MA-700...Popping sounds?
  60. Adcom GFA-585 your opinion
  61. Expirience needed
  62. Luxman L58A / 2SK163-2SJ44?
  63. 90+90 volt rails
  64. Equalizer schematics
  65. which amp???
  66. HELP! Caps replaced-fuzzy sound
  67. Help needed: Denon AVR 5805
  68. Single supply quasi complementary mosfet power amp
  69. Altec 1594a Amp
  70. Re-post: Bruel & Kjaer 2610 and 2607 service manuals
  71. Need help w/ Bando xformer identification
  72. popping and static noise in an Altec 1592A
  73. Active regulator for power amp
  74. Naim NAC 112
  75. Simple opamp/mosfet shunt regulator
  76. Cascode VAS miller compensation
  77. Mosfet Replacement
  78. An attempt for clarification.
  79. Pioneer M-4000 schematic needed
  80. amplifier picking up radio stations
  81. Parasound JC 1 problems
  82. A simple solid state mosfet amplifier...
  83. Ventilation Q
  84. Any simple CCS using 2n3055?
  85. regulated power supply for high powered amps.
  86. Class-a Headphones Amp
  87. scope readings
  88. Amp stability unclear
  89. Musical Fidelity A370
  90. DC-protection with delayed turn-on
  91. Solid electrolitics vs audio grade electrolitc capacitors
  92. Spring Reverb Units
  93. silicone chip 20w class a bridged
  94. Virtual Ground ?
  95. Schematic For Plate Amplifier Needed
  96. JFet matching and measured distortion - Part 2: LTP
  97. easy amp mods?
  98. Light BIAS
  99. Naim NAC 552 Preamp
  100. Advice sought on building multi-channel amplification
  101. Arcam delta 290 opamp´s
  102. SoundTech PS1300/1600 info
  103. What would suit best ?
  104. Simulation Analysis of several unique Allison-based output stages.
  105. Electrocompaniet AW 120 voltage conversion
  106. What is this Amp design called?
  107. Help! I need to upload a Schematic.
  108. 10n16/10p16
  109. PS Audio PS Elite Integrate Amp
  110. Musical Fidelity P270 - strange power off noise
  111. op amp recommendations
  112. Anyone know any specs for 2N8099?
  113. Arcam Delta 290
  114. Onkyo Integra A-8870: ISO ServiceManual
  115. Hafler dh110 mods anyone?
  116. c audio st 600 schematic required.....
  117. Mirand A1
  118. AudioTek Q10 Mini Integrated Amp
  119. Audio [Radio] Amplifier Ideas Needed
  120. ML 434 manual service (schematics)
  121. Need Assistance: To220 replacement for MJE720 or 2N2219a
  122. Amp clipping detector
  123. Adcom GFA-535 Blow fuses after connected to MG-Is
  124. Class A amplifier build (need a lesson in audio engineering)
  125. Thermal Tracking Question
  126. Help Help Help Newbie!
  127. Repair tips for dead Crown XLS602 for newby
  128. Help with Ampzilla II
  129. Volume pot/buffer/optical control
  130. Please Check my soldering!
  131. TOSHIBA 2SK4108 any good for hi power amp?
  132. Quad 405 experts needed.
  133. Mark Levinson ML1 Preamp Schematic
  134. Hello Everyone, seek help with H.H Scott A426
  135. Help Need To Repair Marantz Pm 94 Class A Amp
  136. Accuphase E204 DC offset / bias current adjustment
  137. sansui au 9900 trouble
  138. Best DIY power-amp/kit to build?
  139. A Visit To Aunt Corey's House
  140. marantz question
  141. Blowtorch Parasound upgrade?
  142. Modular pre-amp
  143. Will this balanced PSU work as intended?
  144. Connecting Speakers to Headphone Jack
  145. Cambridge Audio 740A
  146. qspeed/lovoltach site boots up?
  147. TEAC PA7 and MA7 schematic
  148. Power amp suggestions
  149. newbies tutorial help..
  150. Mission Cyrus IIIi service information
  151. Help with designing differential amplifier
  152. replace 75339p with philips psmn 015-100p
  153. Why do opamps "rail" ?
  154. 40w Class A Circuit
  155. About power amp step response etc. :-)
  156. Receiver into amplifier?
  157. PCB layout software recomendations...
  158. Preamp for Power Follower 99
  159. McIntosh 7270 Service
  160. Yorkville 400B Bass Head Repair Help
  161. distortion...mosfet
  162. Are Carver TFM's good amps for driving Electrostats?
  163. PAD5 Trr
  164. Unbalanced to balanced input conversion?
  165. Kenwood KM-205 Schematic?
  166. 300W P.A. amp
  167. speaker protection
  168. Hybrids
  169. recommend me a buffer (bi polar supply)
  170. Best Class A SE amp
  171. Wanted your help for a list of transistors
  172. Adcom 565 - Hum issue
  173. Denon AVC1A Transistor cross reference
  174. Leach amp treble problem
  175. Nakamichi PA-1 Schematics
  176. JFet matching and measured distortion - Part1
  177. The monster 8W reviews
  178. Chipcorder or is there another chip?
  179. Preamp with features!
  180. Can you rewire 220V for 120V?
  181. Looking for Creek CAS 4040 Schematic
  182. GSM Audio Amp: help required
  183. Murray Amplifiers???
  184. Sony TA-8650 Pre-amplifier fault
  185. All the different MOSFETs?
  186. Uher UPA400 (HK Deutschland )
  187. Help: Who can provide Pioneer RX-323 schematics
  188. Adcom GFA-555II with DC Offset
  189. Fujitsu FRL 644D24/2AS Relay
  190. Question About Amplifier Output Filter
  191. Just got a Rotel Amp for $15, tuner doesn't work, any ideas?
  192. Class A SE power and driver transistor choice for stability and performance
  193. replacement mosfet recomendations??
  194. Yamaha M 70 Problems - Please Help if you can
  195. no volume
  196. Musical Fidelity P270-2 output devices?
  197. Amber Series 70 issues
  198. Problems with a Jung regulator
  199. SUMO Andromeda II bias or idle power?
  200. studiomaster vision8
  201. LFD Mistral
  202. Yamaha Rx-S70 schematics
  203. Power Amp Board Identification
  204. Cross-conduction - how to avoid?
  205. DEQX pdc 2.6p
  206. The Golden Ratio Stage
  207. Jeff Rowland Model 7 Please Help
  208. Arcam CD72 CD player problem
  209. Input chokes
  210. Bad Capacitor? 555 Timer Not Turning Off
  211. NAD 3020 Faceplate
  212. Fuse for AI 500
  213. Digitech Footboard - no workee (mentor needed! - have schematic!)
  214. fpb 300 voltage conversion from us to uk?
  215. ISO "Simplest" possible amplifier
  216. Anyone out there who can match eight 2N3055 for me?
  217. Parts Info
  218. Is it an advantage to use this one instead of 2SC5200 or 2SA1943?
  219. Is this FET good to use into audio amplifiers?
  220. Power supply current limit for testing
  221. The thought process of the DIY’er
  222. Is setting an alps volume pot to the full position the same as bypassing?
  223. Roger Grodinsky Research Model Five High current amplifier info
  224. se9060
  225. my hi-end amplifier
  226. Any reports on Solen AP-016 2 way amp
  227. feedback resistor and temperature
  228. incorporating tone control ckt on power amps nfb
  229. Looking for a reliable 100w design
  230. discharge capacitors
  231. Yamaha CR-2020 schematic anyone ?
  232. 100w amp ( no O/P transistors )
  233. NAD 2600 overload - how to upgrade
  234. Bip350 amp. help!
  235. How future transistors will look?
  236. Have you heard of American Audio???
  237. Current limiting behavior??
  238. Power Amp vs. HT Receiver.
  239. Guesstimating lag comp capacitor value
  240. HELP! Calculate Power. TINY SPEAKERS!!
  241. CITRONIC PPX for help
  242. good amp project needed
  243. Nad C 340 C340
  244. DH500 repair advice
  245. Adcom GFA-555 - Need troubleshooting assistance.
  246. 2n3054?
  247. More power with less capacitance. Why?
  248. Marantz PM25 schematics
  249. ta-n80es volume control
  250. Massive 1500W Amplifier

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