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  1. Parasound HCA-1000A help needed
  2. Parallel output transistor matching
  3. BGR Blazer X10 1000W RMS Monoblock Power Amplifier
  4. P101 amp troubleshooting
  5. Question on opamps/mixing desks and production of CD's/records.
  6. Solid Solid State Power Amplifier
  7. Cleaning Switch in High-End Sony Preamp
  8. Roland SPA-240 amplifier
  9. JFET choice
  10. TOA A-1121 schematic
  11. PC simulation - what do you use?
  12. Help with this amp
  13. Bargraph and clip LED's
  14. Is this possible
  15. Best of eBays chinese offerings?
  16. LT spice DC .op function
  17. denon pma530 amp
  18. Adcom GFA 5500
  19. Simple Preamp with tone control problem.
  20. Analogue circuit analysis
  21. 5W Class A transistorized amp
  22. Zenith B935 console radio/record player
  23. help with repair of DC300A series II
  24. Heatsink insulator
  25. Stability of 2SK170 at small currents
  26. Electronic expert in Hereford wanted
  27. signal and chassis ground wiring with RCA and XLR
  28. CCS acting strange. What's wrong?
  29. Smouldering Amp, Help pls
  30. Power amp fault-any suggestions please?
  31. marantz pm94
  32. SS overheating? Can I mod it?
  33. Intel CPU heatsinks as power output transistor heatsinks?
  34. Simple 200 watt complimentary FET amplifier (possibly tube driver?)
  35. Zener diode test with dvom
  36. LTSpice tutorial
  37. Re: Sansui 3000A vs. Yamaha CA 1000 II Integrated Amp
  38. Signal path caps........
  39. amplifier kit in USA
  40. Electrocompaniet AW250 needs shematics or idea!
  41. Mark Levinson 336 adjustment problem
  42. HAFLER 9505: 110V rewirable for 220V?
  43. Who knows this amplifier
  44. The Black Box, Smith Cell
  45. diy heatsinks - please give some advices
  46. Problems in Onkyo receiver
  47. 'Best' amp concept for headphones w/ impedance ~8ohm
  48. Problems in Onkyo receiver
  49. RCA 40409 & 40410 Transistors
  50. Amplifier AVR200 seems to have a problem
  51. Bias stabilty tests.
  52. Baxandall diode information.
  53. équivalent de VC5022
  54. DIY speaker cable question
  55. VAS buffer
  56. Sansui AU 11000
  57. My Experience with HD600 vs AKG K701 vs Denon AH-D5000
  58. My "ExtremA" is Built. Whew.
  59. Crown Power-Tech 2 repair
  60. Anyone recognise this Design..? based on LME49810
  61. sima amplifier questions
  62. Problem with the bias of a Krell kst 100
  63. Technical Books Free Download
  64. Harman Kardon AVR 120
  65. suggestion for a 15W amplifier?
  66. Ib different in output-stage
  67. Ping balaboo
  68. need schematic drawing outlaw amplifier
  69. marantz pm94
  70. use 2 la4440 identical bridge circuit
  71. Channel Balance question??
  72. Phase Linear transistors drivers & finals
  73. Influence of the delay amplifiers for listening characteristics
  74. Phase Linear 400 transistor replacements
  75. blowtorch + symasym ?
  76. Harman Kardon Citation 12 distort sound
  77. Phase Linear 400 bridged mono?
  78. Buffer distortion?
  79. Bad day to be a capacitor
  80. Wildcard Power Amp dev. thread (SMD, Quasi NMOS, IRFP260, digital bias)
  81. Biamp CPA650 problems
  82. My nad L73 Receiver amp distorting bad!
  83. Pioneer SA 6500 into a Numark Tt-200....left speaker going off randomly! Help!
  84. "Push-Pull" for push und "Push-Pull" for pull (like Gamnut) - whats the right name?
  85. About LTSpice Simulation.
  86. Have somebody schematic from BGW 750G and newer models like X5600
  87. Toshiba 2SC5242 / 2SA1962 replacements?
  88. Harman Kardon Citation 12 crunchy low volume output
  89. Hybrid/buz900
  90. Emitter follower related question
  91. Car amplifier output transformer
  92. Leach amp questions
  93. Help Needed - Marantz 1060 dead channel
  94. Impedance, Schmedance....
  95. Preamp response curve
  96. My new SymAsym PCB design Rev_1.3
  97. Blew up JFET's on Preamp
  98. Direct Drive amplifier for DIY ribbon?
  99. My folded-cascode VAS linearity investigation
  100. driving paralleled mosfets in hybrid circuit
  101. Phase Linear 200II upgrade
  102. input impedance of mosfet question?
  103. A&R Cambridge A60 Amp left channel very low distorted
  104. nikko TRM-750
  105. Qs on Parasound HCA-1200 - Popping.
  106. Velleman Volume remote - tv, not hi-fi
  107. Spoeaker protection, project #33
  108. Need help with output stage
  109. PHONIC PWA 2200 schematic Needed
  110. Azur 640A v2 Service manual
  111. C.E.C AMP3300R (3300 R Amp 3300R Amp3300) and AMP5300R LEF Class A schematic wanted
  112. need schematic VR-209
  113. Carver receiver part I.D.
  114. power amp for active high pass section
  115. Advice wanted on using old relays in DC protection circuits
  116. Soft start question
  117. Copper ring as a shield of the main power cables???
  118. Your opinion about this schematics?
  119. Magnatec's new line - ALFET
  120. need schematic
  121. Amplifer 1 channel dead .Please help
  122. Re-start long idlle Parasound HCA-220ii
  123. Leak Delta 70 - Attempt DIY, Overhaul or buy another amp?
  124. Need Better power amp for active x'over.
  125. Replacement Denon 2sk184c
  126. Replacement transistors for Leach Superamp. Help needed!
  127. Replacement transistors in Leach Superamp. Help needed!
  128. protection/limmit with ldr
  129. Pioneer SA-1050
  130. C Audio RA3001.....I could do with some help!!
  131. New idea for low dissipation Class A amplifier.
  132. It's cheap, it's N, it's dirty, it's.... The CIRCLOMOS!!!
  133. marantz sc 7 service manual
  134. Help with a foolish question- technics se-m100
  135. Help with these? DC300A schematic anyone? Parts
  136. Mounting a small signal diode on heatsink - need suggestion
  137. P14nf12FP amplifier schematic requested
  138. Creek 5350MK2 (5350-II 5350 Mark 2 5350-MK2) - circuit descr. arround Q12a wanted
  139. Why do YOU DIY? Answer for my college research paper.
  140. VU meters
  141. Transformer for 80's Yamaha a-320
  142. Power Amplifier - Pre Amplifier Unity gain - Voltage gain - where as royal way ?
  143. Technics SU-Z400 problem
  144. Problem with isolated and lifted grounds
  145. Attenuation
  146. Studio Series Pre-Amp
  147. Line preamp acting as a tuner – how is it possibile ?
  148. My implementation of the Cordell Distortion Analyser
  149. Crown DC300a Repair Questions
  150. Possible fake Toshiba/Sanken transistors?
  151. Reverse of the old Loudness Control
  152. Triangle TE 60 Amplifier mods
  153. Recommendation Please-100W Wide-Bandwidth Amp
  154. 2SA1210 Transistor info
  155. help with translating from chinese
  156. Transistors for 80's vintage amps
  157. Amplifier Topology
  158. Pioneer A-300X, strange VAS
  159. Crown XLS 602 Bridge switch mod
  160. Try Again- Need help on an HK330B
  161. Trying to build a small battery powered amp...
  162. Anyone have made those diy discretes op-amps ?
  163. Opamp circuit to boost a small range of audio frequency
  164. Diagnosing a power amp
  165. Topology Federmann, HQQF-55 ...
  166. Amplifier Stand - Ikea Modded
  167. some help with a 2 channel project.
  168. Realistic MPA-100 Model#32-2023
  169. THD and IM - a new approach to the perception of distortion
  170. Watt Sucking Fireball Series
  171. How much headroom is needed
  172. FM Acoustics FM 1000 Ultra-High Power Amplifier, the absolute State of the Art?
  173. Zero feedback push-pull buffer : piezo driver idea
  174. diagnosing remote control for Unison Unico
  175. Slightly evolved P3A simulation
  176. TO-3 BJT's
  177. Marantz PM66SE - fuse blown
  178. Please Help to undustand this
  179. Rotel RB 850 and Marantz 5002 both burnt out, please help!
  180. 2SK56/2SJ176 Mosfet wiring needed to avoid oscillation
  181. Phono Stage for Arcam Preamp
  182. 2sk135/2sj50 amp schematic?
  183. Krell Chassis, where?
  184. Power measurements
  185. Best Audio Relays
  186. Marantz PM44SE - Distortion from input selector
  187. leach troubleshooting
  188. Source follower thermal cycling?
  189. Pre/Power Amp Confusions/Problems with Yamaha Bass Cabinet
  190. NAD 304. Single folded VAS?
  191. Question about Class-A Amplifier.
  192. j352 - k2221 MOSFET PAIRS
  193. Single rail precision full wave rectifier - full gnd->rail DC swing possible?
  194. Alchemist Forseti ADP20 schematics
  195. SOIC to DIP adaptors
  196. Discrete preamp - seeking opinion and advice
  197. No global Feedback Amp - Opinions
  198. Current Source video from Linear Tech
  199. Question About Transistor Matching
  200. Potentiometer Overview - Alps, Penny+Giles, TKD and Vishay and more, what's your fav?
  201. Use Tube Pre amp or not ?
  202. Parasound HCA-1500A - I need some help (noob warning)
  203. stability of my preamp
  204. An7512
  205. A trashed currentfeedback amp from 2003 with CFP output....
  206. BF245 help please
  207. Mission Cyrus III
  208. Qsc amps with "flying power" supply?
  209. Creek phono amp card
  210. J Fet Buffer problem - help !
  211. Can i convert voltage from 110v to 220v in these units?
  212. Potentiometer like Alps for complete disassembly wanted
  213. Marantz 2252b help
  214. Baxandall tone control circuit
  215. DN2540N5 current rating oddity
  216. 20w Class A amplifier!
  217. Updating an old Rotel RA820A to use HEXFETS's amongst other mods :)
  218. What amp to build for a ESL speaker?
  219. Power cord replacement - ground?
  220. Question about differential amplifier latchup
  221. 2SK371 FETs
  222. Simple clip led circuit.
  223. Q's on Bridging
  224. Adcom GFA -585 turn on/off thud/popping
  225. problem with luxman l530
  226. Class h
  227. Schematic needed from amp RA600 (RA 600) of the Turkish brand Westsound (West Sound)
  228. Power Amplifier Models from the old UK brand "POWER"
  229. ampli JVC A-x30
  230. What is an 'NFR' and 'NFL' lead?
  231. Update of the Aragon 4004
  232. benefits of mosfet amplifier
  233. Needing advice on first amp repair
  234. Help NAD 7225PE (3020) receiver output transistors replacement
  235. Who knows the Nikko Alpha II ?
  236. legend master amplifier by boraomega
  237. Dual Mosfets for current source?
  238. DIY mic preamp possible ?
  239. Which amp? -and how - for a ribbon speaker
  240. Voltage gain stage for Non-NFB MOSFET current amp
  241. idea about 200w circuit
  242. Stabilizing CPF output stages
  243. Cyrus Two to TV
  244. equivalent diode for 1ss176?
  245. Relay Question on PS Audio 200c
  246. Audio Research amp rebuild
  247. Cyrus 3
  248. Output solution for tubes sound
  249. schematic needed for Vincent LS1 (LS-1) and D150 (D-150)
  250. Sony TA-F60

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