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  1. Toshiba 2SC5242 / 2SA1962 replacements?
  2. Harman Kardon Citation 12 crunchy low volume output
  3. Hybrid/buz900
  4. Emitter follower related question
  5. Car amplifier output transformer
  6. Leach amp questions
  7. Help Needed - Marantz 1060 dead channel
  8. Impedance, Schmedance....
  9. Preamp response curve
  10. My new SymAsym PCB design Rev_1.3
  11. Blew up JFET's on Preamp
  12. Direct Drive amplifier for DIY ribbon?
  13. My folded-cascode VAS linearity investigation
  14. driving paralleled mosfets in hybrid circuit
  15. Phase Linear 200II upgrade
  16. input impedance of mosfet question?
  17. A&R Cambridge A60 Amp left channel very low distorted
  18. nikko TRM-750
  19. Qs on Parasound HCA-1200 - Popping.
  20. Velleman Volume remote - tv, not hi-fi
  21. Spoeaker protection, project #33
  22. Need help with output stage
  23. PHONIC PWA 2200 schematic Needed
  24. Azur 640A v2 Service manual
  25. C.E.C AMP3300R (3300 R Amp 3300R Amp3300) and AMP5300R LEF Class A schematic wanted
  26. need schematic VR-209
  27. Carver receiver part I.D.
  28. power amp for active high pass section
  29. Advice wanted on using old relays in DC protection circuits
  30. Soft start question
  31. Copper ring as a shield of the main power cables???
  32. Your opinion about this schematics?
  33. Magnatec's new line - ALFET
  34. need schematic
  35. Amplifer 1 channel dead .Please help
  36. Re-start long idlle Parasound HCA-220ii
  37. Leak Delta 70 - Attempt DIY, Overhaul or buy another amp?
  38. Need Better power amp for active x'over.
  39. Replacement Denon 2sk184c
  40. Replacement transistors for Leach Superamp. Help needed!
  41. Replacement transistors in Leach Superamp. Help needed!
  42. protection/limmit with ldr
  43. Pioneer SA-1050
  44. C Audio RA3001.....I could do with some help!!
  45. New idea for low dissipation Class A amplifier.
  46. It's cheap, it's N, it's dirty, it's.... The CIRCLOMOS!!!
  47. marantz sc 7 service manual
  48. Help with a foolish question- technics se-m100
  49. Help with these? DC300A schematic anyone? Parts
  50. Mounting a small signal diode on heatsink - need suggestion
  51. P14nf12FP amplifier schematic requested
  52. Creek 5350MK2 (5350-II 5350 Mark 2 5350-MK2) - circuit descr. arround Q12a wanted
  53. Why do YOU DIY? Answer for my college research paper.
  54. VU meters
  55. Transformer for 80's Yamaha a-320
  56. Power Amplifier - Pre Amplifier Unity gain - Voltage gain - where as royal way ?
  57. Technics SU-Z400 problem
  58. Problem with isolated and lifted grounds
  59. Attenuation
  60. Studio Series Pre-Amp
  61. Line preamp acting as a tuner how is it possibile ?
  62. My implementation of the Cordell Distortion Analyser
  63. Crown DC300a Repair Questions
  64. Possible fake Toshiba/Sanken transistors?
  65. Reverse of the old Loudness Control
  66. Triangle TE 60 Amplifier mods
  67. Recommendation Please-100W Wide-Bandwidth Amp
  68. 2SA1210 Transistor info
  69. help with translating from chinese
  70. Transistors for 80's vintage amps
  71. Amplifier Topology
  72. Pioneer A-300X, strange VAS
  73. Crown XLS 602 Bridge switch mod
  74. Try Again- Need help on an HK330B
  75. Trying to build a small battery powered amp...
  76. Anyone have made those diy discretes op-amps ?
  77. Opamp circuit to boost a small range of audio frequency
  78. Diagnosing a power amp
  79. Topology Federmann, HQQF-55 ...
  80. Amplifier Stand - Ikea Modded
  81. some help with a 2 channel project.
  82. Realistic MPA-100 Model#32-2023
  83. THD and IM - a new approach to the perception of distortion
  84. Watt Sucking Fireball Series
  85. How much headroom is needed
  86. FM Acoustics FM 1000 Ultra-High Power Amplifier, the absolute State of the Art?
  87. Zero feedback push-pull buffer : piezo driver idea
  88. diagnosing remote control for Unison Unico
  89. Slightly evolved P3A simulation
  90. TO-3 BJT's
  91. Marantz PM66SE - fuse blown
  92. Please Help to undustand this
  93. Rotel RB 850 and Marantz 5002 both burnt out, please help!
  94. 2SK56/2SJ176 Mosfet wiring needed to avoid oscillation
  95. Phono Stage for Arcam Preamp
  96. 2sk135/2sj50 amp schematic?
  97. Krell Chassis, where?
  98. Power measurements
  99. Best Audio Relays
  100. Marantz PM44SE - Distortion from input selector
  101. leach troubleshooting
  102. Source follower thermal cycling?
  103. Pre/Power Amp Confusions/Problems with Yamaha Bass Cabinet
  104. NAD 304. Single folded VAS?
  105. Question about Class-A Amplifier.
  106. j352 - k2221 MOSFET PAIRS
  107. Single rail precision full wave rectifier - full gnd->rail DC swing possible?
  108. Alchemist Forseti ADP20 schematics
  109. SOIC to DIP adaptors
  110. Discrete preamp - seeking opinion and advice
  111. No global Feedback Amp - Opinions
  112. Current Source video from Linear Tech
  113. Question About Transistor Matching
  114. Potentiometer Overview - Alps, Penny+Giles, TKD and Vishay and more, what's your fav?
  115. Use Tube Pre amp or not ?
  116. Parasound HCA-1500A - I need some help (noob warning)
  117. stability of my preamp
  118. An7512
  119. A trashed currentfeedback amp from 2003 with CFP output....
  120. BF245 help please
  121. Mission Cyrus III
  122. Qsc amps with "flying power" supply?
  123. Creek phono amp card
  124. J Fet Buffer problem - help !
  125. Can i convert voltage from 110v to 220v in these units?
  126. Potentiometer like Alps for complete disassembly wanted
  127. Marantz 2252b help
  128. Baxandall tone control circuit
  129. DN2540N5 current rating oddity
  130. 20w Class A amplifier!
  131. Updating an old Rotel RA820A to use HEXFETS's amongst other mods :)
  132. What amp to build for a ESL speaker?
  133. Power cord replacement - ground?
  134. Question about differential amplifier latchup
  135. 2SK371 FETs
  136. Simple clip led circuit.
  137. Q's on Bridging
  138. Adcom GFA -585 turn on/off thud/popping
  139. problem with luxman l530
  140. Class h
  141. Schematic needed from amp RA600 (RA 600) of the Turkish brand Westsound (West Sound)
  142. Power Amplifier Models from the old UK brand "POWER"
  143. ampli JVC A-x30
  144. What is an 'NFR' and 'NFL' lead?
  145. Update of the Aragon 4004
  146. benefits of mosfet amplifier
  147. Needing advice on first amp repair
  148. Help NAD 7225PE (3020) receiver output transistors replacement
  149. Who knows the Nikko Alpha II ?
  150. legend master amplifier by boraomega
  151. Dual Mosfets for current source?
  152. DIY mic preamp possible ?
  153. Which amp? -and how - for a ribbon speaker
  154. Voltage gain stage for Non-NFB MOSFET current amp
  155. idea about 200w circuit
  156. Stabilizing CPF output stages
  157. Cyrus Two to TV
  158. equivalent diode for 1ss176?
  159. Relay Question on PS Audio 200c
  160. Audio Research amp rebuild
  161. Cyrus 3
  162. Output solution for tubes sound
  163. schematic needed for Vincent LS1 (LS-1) and D150 (D-150)
  164. Sony TA-F60
  165. Fetishizator for tda1543
  166. Loudspeaker thump
  167. Help me fix my Lindsley Hood mono
  168. Please, power amplifier active input filters needed
  169. Help needed with a broken Adcom GFA-5800
  170. Help -newbe DIY'er needs Gurus' advice
  171. Harman Kardon Mods
  172. arcam alpha 8R schematic
  173. How to measure OP-Amp Oscillation?
  174. How to measure Common Mode Signals in the input stage?
  175. Better Audio with or without NFB (Negative Feedback) - for me the wrong Question
  176. μpc1342V driver ic
  177. Hybrid Amp IC plus only output stage TDA7293
  178. What needs replacing? Intermittent popping and clicking
  179. Hello all and Question about MOSFETs
  180. The best audio amplifier books - Overview (Google books)
  181. IC Protector
  182. Leach PCB v4.5?
  183. At 500 euros: Avondale NCC200, trafos, caps and bridges
  184. One of the best books about audio amplifier technologies now on the web
  185. John Lindsley Hood 80 watt mono
  186. Request repair help JVC AX-211 stereo amp
  187. Info or datasheet needed for an M4B51 bridge rectifier
  188. JLH Question
  189. newbie de-lurks
  190. Quasi-Balanced Method
  191. Meridian M2 powered speakers
  192. Marantz SR-50L schematics needed
  193. Any new design sliding bias amps out there ?
  194. Denon DRA-35V, channel cuts out
  195. LME49830 2-pole compensation
  196. Leach amp power-up
  197. 500Watts plate ampl circuit
  198. Help with very high power amp modules
  199. Problem with NAD3020.Inputs not working.
  200. YAP 2.1 supervisor system video
  201. Dx TriAmp bass unit
  202. Phase shifts with 'all pass' filters - understanding sought!
  203. Cyrus 1 amp
  204. LM3886 100k input
  205. State of the Art TODAY
  206. I am desperate for help with my amp
  207. MF B200 bleeding resistors
  208. Hafler P500 - One channel quieter than the other
  209. driver caps 100 watt PA
  210. Sjoland - distortion cancellation (after Sandman)
  211. Switch mode between Hawksford error correction and NFB by Unity Gain
  212. which diode do you want to use?
  213. Choosing an amp from taobao.com
  214. I need booster assembly help
  215. Amp blowing fuses....
  216. Transformer details for Carver M400
  217. Clip LED circuit, will this work ?
  218. Phase shift help (how's your maths?!)
  219. test for dc offset?
  220. Hafler DH-200 Bias Problem
  221. bias Audiolab 8000P
  222. Need to change phono gain on Rowland phono module
  223. Need fuse. 0.1 Amp, 250V or 125V for Marantz 2130
  224. Need Help for indentify Power Amp made in sweden
  225. Best way to implement thermal protection?
  226. HIRAGA 'le class a'
  227. Yet another Push-Pull
  228. Any project for me?
  229. Is this amp worth improving ???
  230. Pavel Dudek's (Upupa Epops) amplifiers II
  231. Attempt at an amp with a few watts
  232. best sounding Tx for sub 10watt class A audio amp?
  233. Single Ended Active Crossovers for Open Baffle Speakers
  234. 60 w power amplifier
  235. Yamaha's Hyperbolic Conversion Amplification (HCA) Circuit
  236. Yamaha rx-700 service manual
  237. Burnt Tantalum Resistor Question
  238. Best method(s) for testing PS caps?
  239. how can I clean gold plated tracks?
  240. heatsink thermal transfer
  241. Yamaha B2 P/S
  242. NAD c350 protection module problem
  243. PC Case for amplifier
  244. big plan: to build a professional amplifier
  245. [wanted] yamaha A-1 service manual / schematic
  246. Pioneer A-60 fault
  247. Teac AV H500 service manual
  248. A tubular 'Blameless'
  249. Can i replace mc1458 with opa2134?
  250. problem: project vellman!!

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