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  1. Phase Linear 200II upgrade
  2. input impedance of mosfet question?
  3. A&R Cambridge A60 Amp left channel very low distorted
  4. nikko TRM-750
  5. Qs on Parasound HCA-1200 - Popping.
  6. Velleman Volume remote - tv, not hi-fi
  7. Spoeaker protection, project #33
  8. Need help with output stage
  9. PHONIC PWA 2200 schematic Needed
  10. Azur 640A v2 Service manual
  11. C.E.C AMP3300R (3300 R Amp 3300R Amp3300) and AMP5300R LEF Class A schematic wanted
  12. need schematic VR-209
  13. Carver receiver part I.D.
  14. power amp for active high pass section
  15. Advice wanted on using old relays in DC protection circuits
  16. Soft start question
  17. Copper ring as a shield of the main power cables???
  18. Your opinion about this schematics?
  19. Magnatec's new line - ALFET
  20. need schematic
  21. Amplifer 1 channel dead .Please help
  22. Re-start long idlle Parasound HCA-220ii
  23. Leak Delta 70 - Attempt DIY, Overhaul or buy another amp?
  24. Need Better power amp for active x'over.
  25. Replacement Denon 2sk184c
  26. Replacement transistors for Leach Superamp. Help needed!
  27. Replacement transistors in Leach Superamp. Help needed!
  28. protection/limmit with ldr
  29. Pioneer SA-1050
  30. C Audio RA3001.....I could do with some help!!
  31. New idea for low dissipation Class A amplifier.
  32. It's cheap, it's N, it's dirty, it's.... The CIRCLOMOS!!!
  33. marantz sc 7 service manual
  34. Help with a foolish question- technics se-m100
  35. Help with these? DC300A schematic anyone? Parts
  36. Mounting a small signal diode on heatsink - need suggestion
  37. P14nf12FP amplifier schematic requested
  38. Creek 5350MK2 (5350-II 5350 Mark 2 5350-MK2) - circuit descr. arround Q12a wanted
  39. Why do YOU DIY? Answer for my college research paper.
  40. VU meters
  41. Transformer for 80's Yamaha a-320
  42. Power Amplifier - Pre Amplifier Unity gain - Voltage gain - where as royal way ?
  43. Technics SU-Z400 problem
  44. Problem with isolated and lifted grounds
  45. Attenuation
  46. Studio Series Pre-Amp
  47. Line preamp acting as a tuner – how is it possibile ?
  48. My implementation of the Cordell Distortion Analyser
  49. Crown DC300a Repair Questions
  50. Possible fake Toshiba/Sanken transistors?
  51. Reverse of the old Loudness Control
  52. Triangle TE 60 Amplifier mods
  53. Recommendation Please-100W Wide-Bandwidth Amp
  54. 2SA1210 Transistor info
  55. help with translating from chinese
  56. Transistors for 80's vintage amps
  57. Amplifier Topology
  58. Pioneer A-300X, strange VAS
  59. Crown XLS 602 Bridge switch mod
  60. Try Again- Need help on an HK330B
  61. Trying to build a small battery powered amp...
  62. Anyone have made those diy discretes op-amps ?
  63. Opamp circuit to boost a small range of audio frequency
  64. Diagnosing a power amp
  65. Topology Federmann, HQQF-55 ...
  66. Amplifier Stand - Ikea Modded
  67. some help with a 2 channel project.
  68. Realistic MPA-100 Model#32-2023
  69. THD and IM - a new approach to the perception of distortion
  70. Watt Sucking Fireball Series
  71. How much headroom is needed
  72. FM Acoustics FM 1000 Ultra-High Power Amplifier, the absolute State of the Art?
  73. Zero feedback push-pull buffer : piezo driver idea
  74. diagnosing remote control for Unison Unico
  75. Slightly evolved P3A simulation
  76. TO-3 BJT's
  77. Marantz PM66SE - fuse blown
  78. Please Help to undustand this
  79. Rotel RB 850 and Marantz 5002 both burnt out, please help!
  80. 2SK56/2SJ176 Mosfet wiring needed to avoid oscillation
  81. Phono Stage for Arcam Preamp
  82. 2sk135/2sj50 amp schematic?
  83. Krell Chassis, where?
  84. Power measurements
  85. Best Audio Relays
  86. Marantz PM44SE - Distortion from input selector
  87. leach troubleshooting
  88. Source follower thermal cycling?
  89. Pre/Power Amp Confusions/Problems with Yamaha Bass Cabinet
  90. NAD 304. Single folded VAS?
  91. Question about Class-A Amplifier.
  92. j352 - k2221 MOSFET PAIRS
  93. Single rail precision full wave rectifier - full gnd->rail DC swing possible?
  94. Alchemist Forseti ADP20 schematics
  95. SOIC to DIP adaptors
  96. Discrete preamp - seeking opinion and advice
  97. No global Feedback Amp - Opinions
  98. Current Source video from Linear Tech
  99. Question About Transistor Matching
  100. Potentiometer Overview - Alps, Penny+Giles, TKD and Vishay and more, what's your fav?
  101. Use Tube Pre amp or not ?
  102. Parasound HCA-1500A - I need some help (noob warning)
  103. stability of my preamp
  104. An7512
  105. A trashed currentfeedback amp from 2003 with CFP output....
  106. BF245 help please
  107. Mission Cyrus III
  108. Qsc amps with "flying power" supply?
  109. Creek phono amp card
  110. J Fet Buffer problem - help !
  111. Can i convert voltage from 110v to 220v in these units?
  112. Potentiometer like Alps for complete disassembly wanted
  113. Marantz 2252b help
  114. Baxandall tone control circuit
  115. DN2540N5 current rating oddity
  116. 20w Class A amplifier!
  117. Updating an old Rotel RA820A to use HEXFETS's amongst other mods :)
  118. What amp to build for a ESL speaker?
  119. Power cord replacement - ground?
  120. Question about differential amplifier latchup
  121. 2SK371 FETs
  122. Simple clip led circuit.
  123. Q's on Bridging
  124. Adcom GFA -585 turn on/off thud/popping
  125. problem with luxman l530
  126. Class h
  127. Schematic needed from amp RA600 (RA 600) of the Turkish brand Westsound (West Sound)
  128. Power Amplifier Models from the old UK brand "POWER"
  129. ampli JVC A-x30
  130. What is an 'NFR' and 'NFL' lead?
  131. Update of the Aragon 4004
  132. benefits of mosfet amplifier
  133. Needing advice on first amp repair
  134. Help NAD 7225PE (3020) receiver output transistors replacement
  135. Who knows the Nikko Alpha II ?
  136. legend master amplifier by boraomega
  137. Dual Mosfets for current source?
  138. DIY mic preamp possible ?
  139. Which amp? -and how - for a ribbon speaker
  140. Voltage gain stage for Non-NFB MOSFET current amp
  141. idea about 200w circuit
  142. Stabilizing CPF output stages
  143. Cyrus Two to TV
  144. equivalent diode for 1ss176?
  145. Relay Question on PS Audio 200c
  146. Audio Research amp rebuild
  147. Cyrus 3
  148. Output solution for tubes sound
  149. schematic needed for Vincent LS1 (LS-1) and D150 (D-150)
  150. Sony TA-F60
  151. Fetishizator for tda1543
  152. Loudspeaker thump
  153. Help me fix my Lindsley Hood mono
  154. Please, power amplifier active input filters needed
  155. Help needed with a broken Adcom GFA-5800
  156. Help -newbe DIY'er needs Gurus' advice
  157. Harman Kardon Mods
  158. arcam alpha 8R schematic
  159. How to measure OP-Amp Oscillation?
  160. How to measure Common Mode Signals in the input stage?
  161. Better Audio with or without NFB (Negative Feedback) - for me the wrong Question
  162. μpc1342V driver ic
  163. Hybrid Amp IC plus only output stage TDA7293
  164. What needs replacing? Intermittent popping and clicking
  165. Hello all and Question about MOSFETs
  166. The best audio amplifier books - Overview (Google books)
  167. IC Protector
  168. Leach PCB v4.5?
  169. At 500 euros: Avondale NCC200, trafos, caps and bridges
  170. One of the best books about audio amplifier technologies now on the web
  171. John Lindsley Hood 80 watt mono
  172. Request repair help JVC AX-211 stereo amp
  173. Info or datasheet needed for an M4B51 bridge rectifier
  174. JLH Question
  175. newbie de-lurks
  176. Quasi-Balanced Method
  177. Meridian M2 powered speakers
  178. Marantz SR-50L schematics needed
  179. Any new design sliding bias amps out there ?
  180. Denon DRA-35V, channel cuts out
  181. LME49830 2-pole compensation
  182. Leach amp power-up
  183. 500Watts plate ampl circuit
  184. Help with very high power amp modules
  185. Problem with NAD3020.Inputs not working.
  186. YAP 2.1 supervisor system video
  187. Dx TriAmp bass unit
  188. Phase shifts with 'all pass' filters - understanding sought!
  189. Cyrus 1 amp
  190. LM3886 100k input
  191. State of the Art TODAY
  192. I am desperate for help with my amp
  193. MF B200 bleeding resistors
  194. Hafler P500 - One channel quieter than the other
  195. driver caps 100 watt PA
  196. Sjoland - distortion cancellation (after Sandman)
  197. Switch mode between Hawksford error correction and NFB by Unity Gain
  198. which diode do you want to use?
  199. Choosing an amp from taobao.com
  200. I need booster assembly help
  201. Amp blowing fuses....
  202. Transformer details for Carver M400
  203. Clip LED circuit, will this work ?
  204. Phase shift help (how's your maths?!)
  205. test for dc offset?
  206. Hafler DH-200 Bias Problem
  207. bias Audiolab 8000P
  208. Need to change phono gain on Rowland phono module
  209. Need fuse. 0.1 Amp, 250V or 125V for Marantz 2130
  210. Need Help for indentify Power Amp made in sweden
  211. Best way to implement thermal protection?
  212. HIRAGA 'le class a'
  213. Yet another Push-Pull
  214. Any project for me?
  215. Is this amp worth improving ???
  216. Pavel Dudek's (Upupa Epops) amplifiers II
  217. Attempt at an amp with a few watts
  218. best sounding Tx for sub 10watt class A audio amp?
  219. Single Ended Active Crossovers for Open Baffle Speakers
  220. 60 w power amplifier
  221. Yamaha's Hyperbolic Conversion Amplification (HCA) Circuit
  222. Yamaha rx-700 service manual
  223. Burnt Tantalum Resistor Question
  224. Best method(s) for testing PS caps?
  225. how can I clean gold plated tracks?
  226. heatsink thermal transfer
  227. Yamaha B2 P/S
  228. NAD c350 protection module problem
  229. PC Case for amplifier
  230. big plan: to build a professional amplifier
  231. [wanted] yamaha A-1 service manual / schematic
  232. Pioneer A-60 fault
  233. Teac AV H500 service manual
  234. A tubular 'Blameless'
  235. Can i replace mc1458 with opa2134?
  236. problem: project vellman!!
  237. Fortè Audio "Model 40" preamp information
  238. Perreaux problems
  239. Understanding an active full-wave rectifier
  240. Anatech's Transistor Matching Jig
  241. Need help with NAD C350
  242. Amplifier theoratical max rated output power based on supply voltage
  243. SE mosfet amplifier
  244. Rail Voltage vs Current tradeoff
  245. Transistor Testing Rig
  246. thermal stability of parallel FETs
  247. Optimal working condition for a bjt.
  248. power output
  249. Mark Levinson 23.5 Schematic required for Power supply showing transformers and rect.
  250. Help understanding this DC offset circuit?

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