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  1. My new SymAsym PCB design Rev_1.3
  2. Blew up JFET's on Preamp
  3. Direct Drive amplifier for DIY ribbon?
  4. My folded-cascode VAS linearity investigation
  5. driving paralleled mosfets in hybrid circuit
  6. Phase Linear 200II upgrade
  7. input impedance of mosfet question?
  8. A&R Cambridge A60 Amp left channel very low distorted
  9. nikko TRM-750
  10. Qs on Parasound HCA-1200 - Popping.
  11. Velleman Volume remote - tv, not hi-fi
  12. Spoeaker protection, project #33
  13. Need help with output stage
  14. PHONIC PWA 2200 schematic Needed
  15. Azur 640A v2 Service manual
  16. C.E.C AMP3300R (3300 R Amp 3300R Amp3300) and AMP5300R LEF Class A schematic wanted
  17. need schematic VR-209
  18. Carver receiver part I.D.
  19. power amp for active high pass section
  20. Advice wanted on using old relays in DC protection circuits
  21. Soft start question
  22. Copper ring as a shield of the main power cables???
  23. Your opinion about this schematics?
  24. Magnatec's new line - ALFET
  25. need schematic
  26. Amplifer 1 channel dead .Please help
  27. Re-start long idlle Parasound HCA-220ii
  28. Leak Delta 70 - Attempt DIY, Overhaul or buy another amp?
  29. Need Better power amp for active x'over.
  30. Replacement Denon 2sk184c
  31. Replacement transistors for Leach Superamp. Help needed!
  32. Replacement transistors in Leach Superamp. Help needed!
  33. protection/limmit with ldr
  34. Pioneer SA-1050
  35. C Audio RA3001.....I could do with some help!!
  36. New idea for low dissipation Class A amplifier.
  37. It's cheap, it's N, it's dirty, it's.... The CIRCLOMOS!!!
  38. marantz sc 7 service manual
  39. Help with a foolish question- technics se-m100
  40. Help with these? DC300A schematic anyone? Parts
  41. Mounting a small signal diode on heatsink - need suggestion
  42. P14nf12FP amplifier schematic requested
  43. Creek 5350MK2 (5350-II 5350 Mark 2 5350-MK2) - circuit descr. arround Q12a wanted
  44. Why do YOU DIY? Answer for my college research paper.
  45. VU meters
  46. Transformer for 80's Yamaha a-320
  47. Power Amplifier - Pre Amplifier Unity gain - Voltage gain - where as royal way ?
  48. Technics SU-Z400 problem
  49. Problem with isolated and lifted grounds
  50. Attenuation
  51. Studio Series Pre-Amp
  52. Line preamp acting as a tuner – how is it possibile ?
  53. My implementation of the Cordell Distortion Analyser
  54. Crown DC300a Repair Questions
  55. Possible fake Toshiba/Sanken transistors?
  56. Reverse of the old Loudness Control
  57. Triangle TE 60 Amplifier mods
  58. Recommendation Please-100W Wide-Bandwidth Amp
  59. 2SA1210 Transistor info
  60. help with translating from chinese
  61. Transistors for 80's vintage amps
  62. Amplifier Topology
  63. Pioneer A-300X, strange VAS
  64. Crown XLS 602 Bridge switch mod
  65. Try Again- Need help on an HK330B
  66. Trying to build a small battery powered amp...
  67. Anyone have made those diy discretes op-amps ?
  68. Opamp circuit to boost a small range of audio frequency
  69. Diagnosing a power amp
  70. Topology Federmann, HQQF-55 ...
  71. Amplifier Stand - Ikea Modded
  72. some help with a 2 channel project.
  73. Realistic MPA-100 Model#32-2023
  74. THD and IM - a new approach to the perception of distortion
  75. Watt Sucking Fireball Series
  76. How much headroom is needed
  77. FM Acoustics FM 1000 Ultra-High Power Amplifier, the absolute State of the Art?
  78. Zero feedback push-pull buffer : piezo driver idea
  79. diagnosing remote control for Unison Unico
  80. Slightly evolved P3A simulation
  81. TO-3 BJT's
  82. Marantz PM66SE - fuse blown
  83. Please Help to undustand this
  84. Rotel RB 850 and Marantz 5002 both burnt out, please help!
  85. 2SK56/2SJ176 Mosfet wiring needed to avoid oscillation
  86. Phono Stage for Arcam Preamp
  87. 2sk135/2sj50 amp schematic?
  88. Krell Chassis, where?
  89. Power measurements
  90. Best Audio Relays
  91. Marantz PM44SE - Distortion from input selector
  92. leach troubleshooting
  93. Source follower thermal cycling?
  94. Pre/Power Amp Confusions/Problems with Yamaha Bass Cabinet
  95. NAD 304. Single folded VAS?
  96. Question about Class-A Amplifier.
  97. j352 - k2221 MOSFET PAIRS
  98. Single rail precision full wave rectifier - full gnd->rail DC swing possible?
  99. Alchemist Forseti ADP20 schematics
  100. SOIC to DIP adaptors
  101. Discrete preamp - seeking opinion and advice
  102. No global Feedback Amp - Opinions
  103. Current Source video from Linear Tech
  104. Question About Transistor Matching
  105. Potentiometer Overview - Alps, Penny+Giles, TKD and Vishay and more, what's your fav?
  106. Use Tube Pre amp or not ?
  107. Parasound HCA-1500A - I need some help (noob warning)
  108. stability of my preamp
  109. An7512
  110. A trashed currentfeedback amp from 2003 with CFP output....
  111. BF245 help please
  112. Mission Cyrus III
  113. Qsc amps with "flying power" supply?
  114. Creek phono amp card
  115. J Fet Buffer problem - help !
  116. Can i convert voltage from 110v to 220v in these units?
  117. Potentiometer like Alps for complete disassembly wanted
  118. Marantz 2252b help
  119. Baxandall tone control circuit
  120. DN2540N5 current rating oddity
  121. 20w Class A amplifier!
  122. Updating an old Rotel RA820A to use HEXFETS's amongst other mods :)
  123. What amp to build for a ESL speaker?
  124. Power cord replacement - ground?
  125. Question about differential amplifier latchup
  126. 2SK371 FETs
  127. Simple clip led circuit.
  128. Q's on Bridging
  129. Adcom GFA -585 turn on/off thud/popping
  130. problem with luxman l530
  131. Class h
  132. Schematic needed from amp RA600 (RA 600) of the Turkish brand Westsound (West Sound)
  133. Power Amplifier Models from the old UK brand "POWER"
  134. ampli JVC A-x30
  135. What is an 'NFR' and 'NFL' lead?
  136. Update of the Aragon 4004
  137. benefits of mosfet amplifier
  138. Needing advice on first amp repair
  139. Help NAD 7225PE (3020) receiver output transistors replacement
  140. Who knows the Nikko Alpha II ?
  141. legend master amplifier by boraomega
  142. Dual Mosfets for current source?
  143. DIY mic preamp possible ?
  144. Which amp? -and how - for a ribbon speaker
  145. Voltage gain stage for Non-NFB MOSFET current amp
  146. idea about 200w circuit
  147. Stabilizing CPF output stages
  148. Cyrus Two to TV
  149. equivalent diode for 1ss176?
  150. Relay Question on PS Audio 200c
  151. Audio Research amp rebuild
  152. Cyrus 3
  153. Output solution for tubes sound
  154. schematic needed for Vincent LS1 (LS-1) and D150 (D-150)
  155. Sony TA-F60
  156. Fetishizator for tda1543
  157. Loudspeaker thump
  158. Help me fix my Lindsley Hood mono
  159. Please, power amplifier active input filters needed
  160. Help needed with a broken Adcom GFA-5800
  161. Help -newbe DIY'er needs Gurus' advice
  162. Harman Kardon Mods
  163. arcam alpha 8R schematic
  164. How to measure OP-Amp Oscillation?
  165. How to measure Common Mode Signals in the input stage?
  166. Better Audio with or without NFB (Negative Feedback) - for me the wrong Question
  167. μpc1342V driver ic
  168. Hybrid Amp IC plus only output stage TDA7293
  169. What needs replacing? Intermittent popping and clicking
  170. Hello all and Question about MOSFETs
  171. The best audio amplifier books - Overview (Google books)
  172. IC Protector
  173. Leach PCB v4.5?
  174. At 500 euros: Avondale NCC200, trafos, caps and bridges
  175. One of the best books about audio amplifier technologies now on the web
  176. John Lindsley Hood 80 watt mono
  177. Request repair help JVC AX-211 stereo amp
  178. Info or datasheet needed for an M4B51 bridge rectifier
  179. JLH Question
  180. newbie de-lurks
  181. Quasi-Balanced Method
  182. Meridian M2 powered speakers
  183. Marantz SR-50L schematics needed
  184. Any new design sliding bias amps out there ?
  185. Denon DRA-35V, channel cuts out
  186. LME49830 2-pole compensation
  187. Leach amp power-up
  188. 500Watts plate ampl circuit
  189. Help with very high power amp modules
  190. Problem with NAD3020.Inputs not working.
  191. YAP 2.1 supervisor system video
  192. Dx TriAmp bass unit
  193. Phase shifts with 'all pass' filters - understanding sought!
  194. Cyrus 1 amp
  195. LM3886 100k input
  196. State of the Art TODAY
  197. I am desperate for help with my amp
  198. MF B200 bleeding resistors
  199. Hafler P500 - One channel quieter than the other
  200. driver caps 100 watt PA
  201. Sjoland - distortion cancellation (after Sandman)
  202. Switch mode between Hawksford error correction and NFB by Unity Gain
  203. which diode do you want to use?
  204. Choosing an amp from taobao.com
  205. I need booster assembly help
  206. Amp blowing fuses....
  207. Transformer details for Carver M400
  208. Clip LED circuit, will this work ?
  209. Phase shift help (how's your maths?!)
  210. test for dc offset?
  211. Hafler DH-200 Bias Problem
  212. bias Audiolab 8000P
  213. Need to change phono gain on Rowland phono module
  214. Need fuse. 0.1 Amp, 250V or 125V for Marantz 2130
  215. Need Help for indentify Power Amp made in sweden
  216. Best way to implement thermal protection?
  217. HIRAGA 'le class a'
  218. Yet another Push-Pull
  219. Any project for me?
  220. Is this amp worth improving ???
  221. Pavel Dudek's (Upupa Epops) amplifiers II
  222. Attempt at an amp with a few watts
  223. best sounding Tx for sub 10watt class A audio amp?
  224. Single Ended Active Crossovers for Open Baffle Speakers
  225. 60 w power amplifier
  226. Yamaha's Hyperbolic Conversion Amplification (HCA) Circuit
  227. Yamaha rx-700 service manual
  228. Burnt Tantalum Resistor Question
  229. Best method(s) for testing PS caps?
  230. how can I clean gold plated tracks?
  231. heatsink thermal transfer
  232. Yamaha B2 P/S
  233. NAD c350 protection module problem
  234. PC Case for amplifier
  235. big plan: to build a professional amplifier
  236. [wanted] yamaha A-1 service manual / schematic
  237. Pioneer A-60 fault
  238. Teac AV H500 service manual
  239. A tubular 'Blameless'
  240. Can i replace mc1458 with opa2134?
  241. problem: project vellman!!
  242. Fortè Audio "Model 40" preamp information
  243. Perreaux problems
  244. Understanding an active full-wave rectifier
  245. Anatech's Transistor Matching Jig
  246. Need help with NAD C350
  247. Amplifier theoratical max rated output power based on supply voltage
  248. SE mosfet amplifier
  249. Rail Voltage vs Current tradeoff
  250. Transistor Testing Rig

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