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  1. Roland SPA-240 amplifier
  2. JFET choice
  3. TOA A-1121 schematic
  4. PC simulation - what do you use?
  5. Help with this amp
  6. Bargraph and clip LED's
  7. Is this possible
  8. Best of eBays chinese offerings?
  9. LT spice DC .op function
  10. denon pma530 amp
  11. Adcom GFA 5500
  12. Simple Preamp with tone control problem.
  13. Analogue circuit analysis
  14. 5W Class A transistorized amp
  15. Zenith B935 console radio/record player
  16. help with repair of DC300A series II
  17. Heatsink insulator
  18. Stability of 2SK170 at small currents
  19. Electronic expert in Hereford wanted
  20. signal and chassis ground wiring with RCA and XLR
  21. CCS acting strange. What's wrong?
  22. Smouldering Amp, Help pls
  23. Power amp fault-any suggestions please?
  24. marantz pm94
  25. SS overheating? Can I mod it?
  26. Intel CPU heatsinks as power output transistor heatsinks?
  27. Simple 200 watt complimentary FET amplifier (possibly tube driver?)
  28. Zener diode test with dvom
  29. LTSpice tutorial
  30. Re: Sansui 3000A vs. Yamaha CA 1000 II Integrated Amp
  31. Signal path caps........
  32. amplifier kit in USA
  33. Electrocompaniet AW250 needs shematics or idea!
  34. Mark Levinson 336 adjustment problem
  35. HAFLER 9505: 110V rewirable for 220V?
  36. Who knows this amplifier
  37. The Black Box, Smith Cell
  38. diy heatsinks - please give some advices
  39. Problems in Onkyo receiver
  40. 'Best' amp concept for headphones w/ impedance ~8ohm
  41. Problems in Onkyo receiver
  42. RCA 40409 & 40410 Transistors
  43. Amplifier AVR200 seems to have a problem
  44. Bias stabilty tests.
  45. Baxandall diode information.
  46. équivalent de VC5022
  47. DIY speaker cable question
  48. VAS buffer
  49. Sansui AU 11000
  50. My Experience with HD600 vs AKG K701 vs Denon AH-D5000
  51. My "ExtremA" is Built. Whew.
  52. Crown Power-Tech 2 repair
  53. Anyone recognise this Design..? based on LME49810
  54. sima amplifier questions
  55. Problem with the bias of a Krell kst 100
  56. Technical Books Free Download
  57. Harman Kardon AVR 120
  58. suggestion for a 15W amplifier?
  59. Ib different in output-stage
  60. Ping balaboo
  61. need schematic drawing outlaw amplifier
  62. marantz pm94
  63. use 2 la4440 identical bridge circuit
  64. Channel Balance question??
  65. Phase Linear transistors drivers & finals
  66. Influence of the delay amplifiers for listening characteristics
  67. Phase Linear 400 transistor replacements
  68. blowtorch + symasym ?
  69. Harman Kardon Citation 12 distort sound
  70. Phase Linear 400 bridged mono?
  71. Buffer distortion?
  72. Bad day to be a capacitor
  73. Wildcard Power Amp dev. thread (SMD, Quasi NMOS, IRFP260, digital bias)
  74. Biamp CPA650 problems
  75. My nad L73 Receiver amp distorting bad!
  76. Pioneer SA 6500 into a Numark Tt-200....left speaker going off randomly! Help!
  77. "Push-Pull" for push und "Push-Pull" for pull (like Gamnut) - whats the right name?
  78. About LTSpice Simulation.
  79. Have somebody schematic from BGW 750G and newer models like X5600
  80. Toshiba 2SC5242 / 2SA1962 replacements?
  81. Harman Kardon Citation 12 crunchy low volume output
  82. Hybrid/buz900
  83. Emitter follower related question
  84. Car amplifier output transformer
  85. Leach amp questions
  86. Help Needed - Marantz 1060 dead channel
  87. Impedance, Schmedance....
  88. Preamp response curve
  89. My new SymAsym PCB design Rev_1.3
  90. Blew up JFET's on Preamp
  91. Direct Drive amplifier for DIY ribbon?
  92. My folded-cascode VAS linearity investigation
  93. driving paralleled mosfets in hybrid circuit
  94. Phase Linear 200II upgrade
  95. input impedance of mosfet question?
  96. A&R Cambridge A60 Amp left channel very low distorted
  97. nikko TRM-750
  98. Qs on Parasound HCA-1200 - Popping.
  99. Velleman Volume remote - tv, not hi-fi
  100. Spoeaker protection, project #33
  101. Need help with output stage
  102. PHONIC PWA 2200 schematic Needed
  103. Azur 640A v2 Service manual
  104. C.E.C AMP3300R (3300 R Amp 3300R Amp3300) and AMP5300R LEF Class A schematic wanted
  105. need schematic VR-209
  106. Carver receiver part I.D.
  107. power amp for active high pass section
  108. Advice wanted on using old relays in DC protection circuits
  109. Soft start question
  110. Copper ring as a shield of the main power cables???
  111. Your opinion about this schematics?
  112. Magnatec's new line - ALFET
  113. need schematic
  114. Amplifer 1 channel dead .Please help
  115. Re-start long idlle Parasound HCA-220ii
  116. Leak Delta 70 - Attempt DIY, Overhaul or buy another amp?
  117. Need Better power amp for active x'over.
  118. Replacement Denon 2sk184c
  119. Replacement transistors for Leach Superamp. Help needed!
  120. Replacement transistors in Leach Superamp. Help needed!
  121. protection/limmit with ldr
  122. Pioneer SA-1050
  123. C Audio RA3001.....I could do with some help!!
  124. New idea for low dissipation Class A amplifier.
  125. It's cheap, it's N, it's dirty, it's.... The CIRCLOMOS!!!
  126. marantz sc 7 service manual
  127. Help with a foolish question- technics se-m100
  128. Help with these? DC300A schematic anyone? Parts
  129. Mounting a small signal diode on heatsink - need suggestion
  130. P14nf12FP amplifier schematic requested
  131. Creek 5350MK2 (5350-II 5350 Mark 2 5350-MK2) - circuit descr. arround Q12a wanted
  132. Why do YOU DIY? Answer for my college research paper.
  133. VU meters
  134. Transformer for 80's Yamaha a-320
  135. Power Amplifier - Pre Amplifier Unity gain - Voltage gain - where as royal way ?
  136. Technics SU-Z400 problem
  137. Problem with isolated and lifted grounds
  138. Attenuation
  139. Studio Series Pre-Amp
  140. Line preamp acting as a tuner – how is it possibile ?
  141. My implementation of the Cordell Distortion Analyser
  142. Crown DC300a Repair Questions
  143. Possible fake Toshiba/Sanken transistors?
  144. Reverse of the old Loudness Control
  145. Triangle TE 60 Amplifier mods
  146. Recommendation Please-100W Wide-Bandwidth Amp
  147. 2SA1210 Transistor info
  148. help with translating from chinese
  149. Transistors for 80's vintage amps
  150. Amplifier Topology
  151. Pioneer A-300X, strange VAS
  152. Crown XLS 602 Bridge switch mod
  153. Try Again- Need help on an HK330B
  154. Trying to build a small battery powered amp...
  155. Anyone have made those diy discretes op-amps ?
  156. Opamp circuit to boost a small range of audio frequency
  157. Diagnosing a power amp
  158. Topology Federmann, HQQF-55 ...
  159. Amplifier Stand - Ikea Modded
  160. some help with a 2 channel project.
  161. Realistic MPA-100 Model#32-2023
  162. THD and IM - a new approach to the perception of distortion
  163. Watt Sucking Fireball Series
  164. How much headroom is needed
  165. FM Acoustics FM 1000 Ultra-High Power Amplifier, the absolute State of the Art?
  166. Zero feedback push-pull buffer : piezo driver idea
  167. diagnosing remote control for Unison Unico
  168. Slightly evolved P3A simulation
  169. TO-3 BJT's
  170. Marantz PM66SE - fuse blown
  171. Please Help to undustand this
  172. Rotel RB 850 and Marantz 5002 both burnt out, please help!
  173. 2SK56/2SJ176 Mosfet wiring needed to avoid oscillation
  174. Phono Stage for Arcam Preamp
  175. 2sk135/2sj50 amp schematic?
  176. Krell Chassis, where?
  177. Power measurements
  178. Best Audio Relays
  179. Marantz PM44SE - Distortion from input selector
  180. leach troubleshooting
  181. Source follower thermal cycling?
  182. Pre/Power Amp Confusions/Problems with Yamaha Bass Cabinet
  183. NAD 304. Single folded VAS?
  184. Question about Class-A Amplifier.
  185. j352 - k2221 MOSFET PAIRS
  186. Single rail precision full wave rectifier - full gnd->rail DC swing possible?
  187. Alchemist Forseti ADP20 schematics
  188. SOIC to DIP adaptors
  189. Discrete preamp - seeking opinion and advice
  190. No global Feedback Amp - Opinions
  191. Current Source video from Linear Tech
  192. Question About Transistor Matching
  193. Potentiometer Overview - Alps, Penny+Giles, TKD and Vishay and more, what's your fav?
  194. Use Tube Pre amp or not ?
  195. Parasound HCA-1500A - I need some help (noob warning)
  196. stability of my preamp
  197. An7512
  198. A trashed currentfeedback amp from 2003 with CFP output....
  199. BF245 help please
  200. Mission Cyrus III
  201. Qsc amps with "flying power" supply?
  202. Creek phono amp card
  203. J Fet Buffer problem - help !
  204. Can i convert voltage from 110v to 220v in these units?
  205. Potentiometer like Alps for complete disassembly wanted
  206. Marantz 2252b help
  207. Baxandall tone control circuit
  208. DN2540N5 current rating oddity
  209. 20w Class A amplifier!
  210. Updating an old Rotel RA820A to use HEXFETS's amongst other mods :)
  211. What amp to build for a ESL speaker?
  212. Power cord replacement - ground?
  213. Question about differential amplifier latchup
  214. 2SK371 FETs
  215. Simple clip led circuit.
  216. Q's on Bridging
  217. Adcom GFA -585 turn on/off thud/popping
  218. problem with luxman l530
  219. Class h
  220. Schematic needed from amp RA600 (RA 600) of the Turkish brand Westsound (West Sound)
  221. Power Amplifier Models from the old UK brand "POWER"
  222. ampli JVC A-x30
  223. What is an 'NFR' and 'NFL' lead?
  224. Update of the Aragon 4004
  225. benefits of mosfet amplifier
  226. Needing advice on first amp repair
  227. Help NAD 7225PE (3020) receiver output transistors replacement
  228. Who knows the Nikko Alpha II ?
  229. legend master amplifier by boraomega
  230. Dual Mosfets for current source?
  231. DIY mic preamp possible ?
  232. Which amp? -and how - for a ribbon speaker
  233. Voltage gain stage for Non-NFB MOSFET current amp
  234. idea about 200w circuit
  235. Stabilizing CPF output stages
  236. Cyrus Two to TV
  237. equivalent diode for 1ss176?
  238. Relay Question on PS Audio 200c
  239. Audio Research amp rebuild
  240. Cyrus 3
  241. Output solution for tubes sound
  242. schematic needed for Vincent LS1 (LS-1) and D150 (D-150)
  243. Sony TA-F60
  244. Fetishizator for tda1543
  245. Loudspeaker thump
  246. Help me fix my Lindsley Hood mono
  247. Please, power amplifier active input filters needed
  248. Help needed with a broken Adcom GFA-5800
  249. Help -newbe DIY'er needs Gurus' advice
  250. Harman Kardon Mods

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