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  1. Old amp upgrades?
  2. Sourcing parts from old amps.
  3. just got a free RLSTC STA-2000. recap?
  4. Bell PSX6022 or PSX5022 urgent
  5. Max voltage of 2SK170?
  6. Boss Riot R735 in protection mode
  7. I need more bass!
  8. Ultra high precision digital control attenuator
  9. Does anyone know what transformer was used in the Adcom GFA-585 power amp?
  10. B & K Pro10MC
  11. Reaction-cons.
  12. The most modern ancient design, Doctor Self, maybe Curl , teenagers that time...
  13. MPSU07/57 replacements
  14. Hybrid SEPP Cascode TransNova High Zo Amp
  15. Crest Pro Series Bias? 10001
  16. What makes me believe that discrete is better
  17. onix oa21 problem
  18. the stupid question series: AC coupled balanced/unbalanced output, servo useful?
  19. Yamaha BX-1 monoblock
  20. Ratio of power into load and driver transistor
  21. AV800 again :D
  22. Searching 2 matched pairs 2sa1492 and 2sc3856
  23. DM/CM RFI filter on instrumentation opamp input
  24. GAS Thaedra/Thoebe phono stage adjust
  25. Running a tube preamp into a solid state preamp?
  26. Parasound HCA-1000A help needed
  27. Parallel output transistor matching
  28. BGR Blazer X10 1000W RMS Monoblock Power Amplifier
  29. P101 amp troubleshooting
  30. Question on opamps/mixing desks and production of CD's/records.
  31. Solid Solid State Power Amplifier
  32. Cleaning Switch in High-End Sony Preamp
  33. JFET choice
  34. TOA A-1121 schematic
  35. PC simulation - what do you use?
  36. Help with this amp
  37. Bargraph and clip LED's
  38. Is this possible
  39. Best of eBays chinese offerings?
  40. LT spice DC .op function
  41. denon pma530 amp
  42. Adcom GFA 5500
  43. Simple Preamp with tone control problem.
  44. Analogue circuit analysis
  45. 5W Class A transistorized amp
  46. Zenith B935 console radio/record player
  47. help with repair of DC300A series II
  48. Heatsink insulator
  49. Stability of 2SK170 at small currents
  50. Electronic expert in Hereford wanted
  51. signal and chassis ground wiring with RCA and XLR
  52. CCS acting strange. What's wrong?
  53. Smouldering Amp, Help pls
  54. Power amp fault-any suggestions please?
  55. marantz pm94
  56. SS overheating? Can I mod it?
  57. Intel CPU heatsinks as power output transistor heatsinks?
  58. Simple 200 watt complimentary FET amplifier (possibly tube driver?)
  59. Zener diode test with dvom
  60. LTSpice tutorial
  61. Re: Sansui 3000A vs. Yamaha CA 1000 II Integrated Amp
  62. Signal path caps........
  63. amplifier kit in USA
  64. Electrocompaniet AW250 needs shematics or idea!
  65. Mark Levinson 336 adjustment problem
  66. HAFLER 9505: 110V rewirable for 220V?
  67. Who knows this amplifier
  68. The Black Box, Smith Cell
  69. diy heatsinks - please give some advices
  70. Problems in Onkyo receiver
  71. 'Best' amp concept for headphones w/ impedance ~8ohm
  72. Problems in Onkyo receiver
  73. RCA 40409 & 40410 Transistors
  74. Amplifier AVR200 seems to have a problem
  75. Bias stabilty tests.
  76. Baxandall diode information.
  77. équivalent de VC5022
  78. DIY speaker cable question
  79. VAS buffer
  80. Sansui AU 11000
  81. My Experience with HD600 vs AKG K701 vs Denon AH-D5000
  82. My "ExtremA" is Built. Whew.
  83. Crown Power-Tech 2 repair
  84. Anyone recognise this Design..? based on LME49810
  85. sima amplifier questions
  86. Problem with the bias of a Krell kst 100
  87. Technical Books Free Download
  88. Harman Kardon AVR 120
  89. suggestion for a 15W amplifier?
  90. Ib different in output-stage
  91. Ping balaboo
  92. need schematic drawing outlaw amplifier
  93. marantz pm94
  94. use 2 la4440 identical bridge circuit
  95. Channel Balance question??
  96. Phase Linear transistors drivers & finals
  97. Influence of the delay amplifiers for listening characteristics
  98. Phase Linear 400 transistor replacements
  99. blowtorch + symasym ?
  100. Harman Kardon Citation 12 distort sound
  101. Phase Linear 400 bridged mono?
  102. Buffer distortion?
  103. Bad day to be a capacitor
  104. Wildcard Power Amp dev. thread (SMD, Quasi NMOS, IRFP260, digital bias)
  105. Biamp CPA650 problems
  106. My nad L73 Receiver amp distorting bad!
  107. Pioneer SA 6500 into a Numark Tt-200....left speaker going off randomly! Help!
  108. "Push-Pull" for push und "Push-Pull" for pull (like Gamnut) - whats the right name?
  109. About LTSpice Simulation.
  110. Have somebody schematic from BGW 750G and newer models like X5600
  111. Toshiba 2SC5242 / 2SA1962 replacements?
  112. Harman Kardon Citation 12 crunchy low volume output
  113. Hybrid/buz900
  114. Emitter follower related question
  115. Car amplifier output transformer
  116. Leach amp questions
  117. Help Needed - Marantz 1060 dead channel
  118. Impedance, Schmedance....
  119. Preamp response curve
  120. My new SymAsym PCB design Rev_1.3
  121. Blew up JFET's on Preamp
  122. Direct Drive amplifier for DIY ribbon?
  123. My folded-cascode VAS linearity investigation
  124. driving paralleled mosfets in hybrid circuit
  125. Phase Linear 200II upgrade
  126. input impedance of mosfet question?
  127. A&R Cambridge A60 Amp left channel very low distorted
  128. nikko TRM-750
  129. Qs on Parasound HCA-1200 - Popping.
  130. Velleman Volume remote - tv, not hi-fi
  131. Spoeaker protection, project #33
  132. Need help with output stage
  133. PHONIC PWA 2200 schematic Needed
  134. Azur 640A v2 Service manual
  135. C.E.C AMP3300R (3300 R Amp 3300R Amp3300) and AMP5300R LEF Class A schematic wanted
  136. need schematic VR-209
  137. Carver receiver part I.D.
  138. power amp for active high pass section
  139. Advice wanted on using old relays in DC protection circuits
  140. Soft start question
  141. Copper ring as a shield of the main power cables???
  142. Your opinion about this schematics?
  143. Magnatec's new line - ALFET
  144. need schematic
  145. Amplifer 1 channel dead .Please help
  146. Re-start long idlle Parasound HCA-220ii
  147. Leak Delta 70 - Attempt DIY, Overhaul or buy another amp?
  148. Need Better power amp for active x'over.
  149. Replacement Denon 2sk184c
  150. Replacement transistors for Leach Superamp. Help needed!
  151. Replacement transistors in Leach Superamp. Help needed!
  152. protection/limmit with ldr
  153. Pioneer SA-1050
  154. C Audio RA3001.....I could do with some help!!
  155. New idea for low dissipation Class A amplifier.
  156. It's cheap, it's N, it's dirty, it's.... The CIRCLOMOS!!!
  157. marantz sc 7 service manual
  158. Help with a foolish question- technics se-m100
  159. Help with these? DC300A schematic anyone? Parts
  160. Mounting a small signal diode on heatsink - need suggestion
  161. P14nf12FP amplifier schematic requested
  162. Creek 5350MK2 (5350-II 5350 Mark 2 5350-MK2) - circuit descr. arround Q12a wanted
  163. Why do YOU DIY? Answer for my college research paper.
  164. VU meters
  165. Transformer for 80's Yamaha a-320
  166. Power Amplifier - Pre Amplifier Unity gain - Voltage gain - where as royal way ?
  167. Technics SU-Z400 problem
  168. Problem with isolated and lifted grounds
  169. Attenuation
  170. Studio Series Pre-Amp
  171. Line preamp acting as a tuner – how is it possibile ?
  172. My implementation of the Cordell Distortion Analyser
  173. Crown DC300a Repair Questions
  174. Possible fake Toshiba/Sanken transistors?
  175. Reverse of the old Loudness Control
  176. Triangle TE 60 Amplifier mods
  177. Recommendation Please-100W Wide-Bandwidth Amp
  178. 2SA1210 Transistor info
  179. help with translating from chinese
  180. Transistors for 80's vintage amps
  181. Amplifier Topology
  182. Pioneer A-300X, strange VAS
  183. Crown XLS 602 Bridge switch mod
  184. Try Again- Need help on an HK330B
  185. Trying to build a small battery powered amp...
  186. Anyone have made those diy discretes op-amps ?
  187. Opamp circuit to boost a small range of audio frequency
  188. Diagnosing a power amp
  189. Topology Federmann, HQQF-55 ...
  190. Amplifier Stand - Ikea Modded
  191. some help with a 2 channel project.
  192. Realistic MPA-100 Model#32-2023
  193. THD and IM - a new approach to the perception of distortion
  194. Watt Sucking Fireball Series
  195. How much headroom is needed
  196. FM Acoustics FM 1000 Ultra-High Power Amplifier, the absolute State of the Art?
  197. Zero feedback push-pull buffer : piezo driver idea
  198. diagnosing remote control for Unison Unico
  199. Slightly evolved P3A simulation
  200. TO-3 BJT's
  201. Marantz PM66SE - fuse blown
  202. Please Help to undustand this
  203. Rotel RB 850 and Marantz 5002 both burnt out, please help!
  204. 2SK56/2SJ176 Mosfet wiring needed to avoid oscillation
  205. Phono Stage for Arcam Preamp
  206. 2sk135/2sj50 amp schematic?
  207. Krell Chassis, where?
  208. Power measurements
  209. Best Audio Relays
  210. Marantz PM44SE - Distortion from input selector
  211. leach troubleshooting
  212. Source follower thermal cycling?
  213. Pre/Power Amp Confusions/Problems with Yamaha Bass Cabinet
  214. NAD 304. Single folded VAS?
  215. Question about Class-A Amplifier.
  216. j352 - k2221 MOSFET PAIRS
  217. Single rail precision full wave rectifier - full gnd->rail DC swing possible?
  218. Alchemist Forseti ADP20 schematics
  219. SOIC to DIP adaptors
  220. Discrete preamp - seeking opinion and advice
  221. No global Feedback Amp - Opinions
  222. Current Source video from Linear Tech
  223. Question About Transistor Matching
  224. Potentiometer Overview - Alps, Penny+Giles, TKD and Vishay and more, what's your fav?
  225. Use Tube Pre amp or not ?
  226. Parasound HCA-1500A - I need some help (noob warning)
  227. stability of my preamp
  228. An7512
  229. A trashed currentfeedback amp from 2003 with CFP output....
  230. BF245 help please
  231. Mission Cyrus III
  232. Qsc amps with "flying power" supply?
  233. Creek phono amp card
  234. J Fet Buffer problem - help !
  235. Can i convert voltage from 110v to 220v in these units?
  236. Potentiometer like Alps for complete disassembly wanted
  237. Marantz 2252b help
  238. Baxandall tone control circuit
  239. DN2540N5 current rating oddity
  240. 20w Class A amplifier!
  241. Updating an old Rotel RA820A to use HEXFETS's amongst other mods :)
  242. What amp to build for a ESL speaker?
  243. Power cord replacement - ground?
  244. Question about differential amplifier latchup
  245. 2SK371 FETs
  246. Simple clip led circuit.
  247. Q's on Bridging
  248. Adcom GFA -585 turn on/off thud/popping
  249. problem with luxman l530
  250. Class h

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