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  1. Use Tube Pre amp or not ?
  2. Parasound HCA-1500A - I need some help (noob warning)
  3. stability of my preamp
  4. An7512
  5. A trashed currentfeedback amp from 2003 with CFP output....
  6. BF245 help please
  7. Mission Cyrus III
  8. Qsc amps with "flying power" supply?
  9. Creek phono amp card
  10. J Fet Buffer problem - help !
  11. Can i convert voltage from 110v to 220v in these units?
  12. Potentiometer like Alps for complete disassembly wanted
  13. Marantz 2252b help
  14. Baxandall tone control circuit
  15. DN2540N5 current rating oddity
  16. 20w Class A amplifier!
  17. Updating an old Rotel RA820A to use HEXFETS's amongst other mods :)
  18. What amp to build for a ESL speaker?
  19. Power cord replacement - ground?
  20. Question about differential amplifier latchup
  21. 2SK371 FETs
  22. Simple clip led circuit.
  23. Q's on Bridging
  24. Adcom GFA -585 turn on/off thud/popping
  25. problem with luxman l530
  26. Class h
  27. Schematic needed from amp RA600 (RA 600) of the Turkish brand Westsound (West Sound)
  28. Power Amplifier Models from the old UK brand "POWER"
  29. ampli JVC A-x30
  30. What is an 'NFR' and 'NFL' lead?
  31. Update of the Aragon 4004
  32. benefits of mosfet amplifier
  33. Needing advice on first amp repair
  34. Help NAD 7225PE (3020) receiver output transistors replacement
  35. Who knows the Nikko Alpha II ?
  36. legend master amplifier by boraomega
  37. Dual Mosfets for current source?
  38. DIY mic preamp possible ?
  39. Which amp? -and how - for a ribbon speaker
  40. Voltage gain stage for Non-NFB MOSFET current amp
  41. idea about 200w circuit
  42. Stabilizing CPF output stages
  43. Cyrus Two to TV
  44. equivalent diode for 1ss176?
  45. Relay Question on PS Audio 200c
  46. Audio Research amp rebuild
  47. Cyrus 3
  48. Output solution for tubes sound
  49. schematic needed for Vincent LS1 (LS-1) and D150 (D-150)
  50. Sony TA-F60
  51. Fetishizator for tda1543
  52. Loudspeaker thump
  53. Help me fix my Lindsley Hood mono
  54. Please, power amplifier active input filters needed
  55. Help needed with a broken Adcom GFA-5800
  56. Help -newbe DIY'er needs Gurus' advice
  57. Harman Kardon Mods
  58. arcam alpha 8R schematic
  59. How to measure OP-Amp Oscillation?
  60. How to measure Common Mode Signals in the input stage?
  61. Better Audio with or without NFB (Negative Feedback) - for me the wrong Question
  62. μpc1342V driver ic
  63. Hybrid Amp IC plus only output stage TDA7293
  64. What needs replacing? Intermittent popping and clicking
  65. Hello all and Question about MOSFETs
  66. The best audio amplifier books - Overview (Google books)
  67. IC Protector
  68. Leach PCB v4.5?
  69. At 500 euros: Avondale NCC200, trafos, caps and bridges
  70. One of the best books about audio amplifier technologies now on the web
  71. John Lindsley Hood 80 watt mono
  72. Request repair help JVC AX-211 stereo amp
  73. Info or datasheet needed for an M4B51 bridge rectifier
  74. JLH Question
  75. newbie de-lurks
  76. Quasi-Balanced Method
  77. Meridian M2 powered speakers
  78. Marantz SR-50L schematics needed
  79. Any new design sliding bias amps out there ?
  80. Denon DRA-35V, channel cuts out
  81. LME49830 2-pole compensation
  82. Leach amp power-up
  83. 500Watts plate ampl circuit
  84. Help with very high power amp modules
  85. Problem with NAD3020.Inputs not working.
  86. YAP 2.1 supervisor system video
  87. Dx TriAmp bass unit
  88. Phase shifts with 'all pass' filters - understanding sought!
  89. Cyrus 1 amp
  90. LM3886 100k input
  91. State of the Art TODAY
  92. I am desperate for help with my amp
  93. MF B200 bleeding resistors
  94. Hafler P500 - One channel quieter than the other
  95. driver caps 100 watt PA
  96. Sjoland - distortion cancellation (after Sandman)
  97. Switch mode between Hawksford error correction and NFB by Unity Gain
  98. which diode do you want to use?
  99. Choosing an amp from taobao.com
  100. I need booster assembly help
  101. Amp blowing fuses....
  102. Transformer details for Carver M400
  103. Clip LED circuit, will this work ?
  104. Phase shift help (how's your maths?!)
  105. test for dc offset?
  106. Hafler DH-200 Bias Problem
  107. bias Audiolab 8000P
  108. Need to change phono gain on Rowland phono module
  109. Need fuse. 0.1 Amp, 250V or 125V for Marantz 2130
  110. Need Help for indentify Power Amp made in sweden
  111. Best way to implement thermal protection?
  112. HIRAGA 'le class a'
  113. Yet another Push-Pull
  114. Any project for me?
  115. Is this amp worth improving ???
  116. Pavel Dudek's (Upupa Epops) amplifiers II
  117. Attempt at an amp with a few watts
  118. best sounding Tx for sub 10watt class A audio amp?
  119. Single Ended Active Crossovers for Open Baffle Speakers
  120. 60 w power amplifier
  121. Yamaha's Hyperbolic Conversion Amplification (HCA) Circuit
  122. Yamaha rx-700 service manual
  123. Burnt Tantalum Resistor Question
  124. Best method(s) for testing PS caps?
  125. how can I clean gold plated tracks?
  126. heatsink thermal transfer
  127. Yamaha B2 P/S
  128. NAD c350 protection module problem
  129. PC Case for amplifier
  130. big plan: to build a professional amplifier
  131. [wanted] yamaha A-1 service manual / schematic
  132. Pioneer A-60 fault
  133. Teac AV H500 service manual
  134. A tubular 'Blameless'
  135. Can i replace mc1458 with opa2134?
  136. problem: project vellman!!
  137. Fortè Audio "Model 40" preamp information
  138. Perreaux problems
  139. Understanding an active full-wave rectifier
  140. Anatech's Transistor Matching Jig
  141. Need help with NAD C350
  142. Amplifier theoratical max rated output power based on supply voltage
  143. SE mosfet amplifier
  144. Rail Voltage vs Current tradeoff
  145. Transistor Testing Rig
  146. thermal stability of parallel FETs
  147. Optimal working condition for a bjt.
  148. power output
  149. Mark Levinson 23.5 Schematic required for Power supply showing transformers and rect.
  150. Help understanding this DC offset circuit?
  151. Trying to repair Samson SX1200 w/ blown outputs on one channel
  152. Philips 22 AH308 shematic
  153. Small unity gain 5V output stage sought....
  154. DIY aluminium panel chemical treatment
  155. Can I have some comments
  156. Help me build my first diy amp!
  157. Pioneer SX-217 problem
  158. legend stage master mk2
  159. Simple error correction amp ?
  160. selection of output power tr
  161. Operational
  162. Use for a +/- 38V 120w supply
  163. passive correction preamp.
  164. Help - Ion Obelisk 1 Left channel blow out
  165. Schematics for yamaha H5000/7000
  166. Intro (Howdy) and Me Yammy M-80
  167. Trouble with the bias B&K ST140
  168. A&R of cambridge SA200
  169. Rotel rc-980bx
  170. Restoring a Pioneer QA-800A quadra
  171. BiAmp using Dx amplifiers are now ready
  172. simple class a amp with minimum parts
  173. Class-A BiAmp - my first design
  174. GIGRAC 1000 Power Up Problem
  175. Seeking the ultimate amp
  176. sansui qrx 6500
  177. Pioneer C-Z1 pre amp
  178. Setting amplifier output power level
  179. Will lightbulb protect my amp from to high idle current at startup?
  180. Quiet Audio mute switch?
  181. A long ...listening story
  182. Attenuator and MUX chips.
  183. accuphase E205 240v input section
  184. Nad 7240pe damaged amp section
  185. Horiffic DC offset
  186. hafler 9300 transnova
  187. Help me crack this guitar signal 'phase' issue
  188. 4560/5532 quick one
  189. Preamp for Hiraga
  190. Le Monstre vs. Parallel JLH class A?
  191. Germanium TV Horizontal Damper Diode
  192. Soundcraftsmen PR1800 Specs?Info?
  193. More vi limmiters
  194. Soundcard audio mesurement software
  195. DIY Hi-Fi PC power amplifier (Live..)
  196. Moving PSU-caps off pcb?
  197. Blown MOSFET
  198. Denon PRA-2000 schematics
  199. 500W Power Amplifier
  200. High voltage High gain OP AMP ?
  201. Somebody have 2SC3228 and want 2SA1306 ??
  202. Looking for a Rotel RX-154A (Or similar) schematic
  203. High quality "soft" compressor/limiter
  204. Denon DRA-35V
  205. Amplifier misbehaving when operated at B>1
  206. Poweramp with adjustable gain?
  207. Behringer EP2000
  208. Playmaster setup procedure
  209. 2sj200 2sk1529 toshiba mos-fet
  210. salvaged plate amp - can I use here?
  211. Howto - phantom-powered low noise in-mic-amplifier
  212. Denon AVR 1802 no function
  213. Can anyone explain this circuit?
  214. Measure THD, etc of power amp with sound card - attenuator?
  215. Noise of discrete opamp
  216. Quasi-complementary Output Stage question.
  217. Differential amplifier gain question
  218. Behringer EP1500
  219. Which amplifier for tiny PC speakers
  220. Psychology and volume control position
  221. Question regarding basic transistor circuit
  222. mute circuits
  223. Voltage gain for RB-960BX
  224. LME49713 Opamp Problem
  225. Big schematics archive - contributions required!
  226. Increasing PSU capacitor on Soundcraftsmen MA-5002A
  227. pre amp/OP amp
  228. BUV20 spice model
  229. Another look at Thermal Trak biasing
  230. Discrete buffer notion
  231. recommendations for mosfet output
  232. switching thump...
  233. A nice warm 15W class A
  234. Krill - The Next Generation
  235. Newbie on a marantz pm94 help
  236. I have invited this guy to join us.... i found him into youtube
  237. Is this a Class-A Circuit?
  238. "Maximus Power Amp"
  239. NAD C320 left channel more dull than the right
  240. DIY Curve Tracer for PC
  241. 58W version of Le Monstre?
  242. "Upgrading" output devices for Mcintosh
  243. power folower variations..
  244. Crown 3600 VZ problem
  245. Nad C 350, low volume all the time!
  246. NAD 304 cuts left speaker when volume low!?
  247. Amps go burrrrrweeeehp when turning off
  248. Pré amplifier is not needed!.... thread to discussion
  249. Problem after recapping Meiridian PSU PCB
  250. Can I have some comments on this design?

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