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  1. Issues with Superscope BLA-530 by Marantz
  2. biasing my kenwood 6140A
  3. Disimproved NAD 304
  4. Old amp upgrades?
  5. Sourcing parts from old amps.
  6. just got a free RLSTC STA-2000. recap?
  7. Bell PSX6022 or PSX5022 urgent
  8. Max voltage of 2SK170?
  9. Boss Riot R735 in protection mode
  10. I need more bass!
  11. Ultra high precision digital control attenuator
  12. Does anyone know what transformer was used in the Adcom GFA-585 power amp?
  13. B & K Pro10MC
  14. Reaction-cons.
  15. The most modern ancient design, Doctor Self, maybe Curl , teenagers that time...
  16. MPSU07/57 replacements
  17. Hybrid SEPP Cascode TransNova High Zo Amp
  18. Crest Pro Series Bias? 10001
  19. What makes me believe that discrete is better
  20. onix oa21 problem
  21. the stupid question series: AC coupled balanced/unbalanced output, servo useful?
  22. Yamaha BX-1 monoblock
  23. Ratio of power into load and driver transistor
  24. AV800 again :D
  25. Searching 2 matched pairs 2sa1492 and 2sc3856
  26. DM/CM RFI filter on instrumentation opamp input
  27. GAS Thaedra/Thoebe phono stage adjust
  28. Running a tube preamp into a solid state preamp?
  29. Parasound HCA-1000A help needed
  30. Parallel output transistor matching
  31. BGR Blazer X10 1000W RMS Monoblock Power Amplifier
  32. P101 amp troubleshooting
  33. Question on opamps/mixing desks and production of CD's/records.
  34. Solid Solid State Power Amplifier
  35. Cleaning Switch in High-End Sony Preamp
  36. Roland SPA-240 amplifier
  37. JFET choice
  38. TOA A-1121 schematic
  39. PC simulation - what do you use?
  40. Help with this amp
  41. Bargraph and clip LED's
  42. Is this possible
  43. Best of eBays chinese offerings?
  44. LT spice DC .op function
  45. denon pma530 amp
  46. Adcom GFA 5500
  47. Simple Preamp with tone control problem.
  48. Analogue circuit analysis
  49. 5W Class A transistorized amp
  50. Zenith B935 console radio/record player
  51. help with repair of DC300A series II
  52. Heatsink insulator
  53. Stability of 2SK170 at small currents
  54. Electronic expert in Hereford wanted
  55. signal and chassis ground wiring with RCA and XLR
  56. CCS acting strange. What's wrong?
  57. Smouldering Amp, Help pls
  58. Power amp fault-any suggestions please?
  59. marantz pm94
  60. SS overheating? Can I mod it?
  61. Intel CPU heatsinks as power output transistor heatsinks?
  62. Simple 200 watt complimentary FET amplifier (possibly tube driver?)
  63. Zener diode test with dvom
  64. LTSpice tutorial
  65. Re: Sansui 3000A vs. Yamaha CA 1000 II Integrated Amp
  66. Signal path caps........
  67. amplifier kit in USA
  68. Electrocompaniet AW250 needs shematics or idea!
  69. Mark Levinson 336 adjustment problem
  70. HAFLER 9505: 110V rewirable for 220V?
  71. Who knows this amplifier
  72. The Black Box, Smith Cell
  73. diy heatsinks - please give some advices
  74. Problems in Onkyo receiver
  75. 'Best' amp concept for headphones w/ impedance ~8ohm
  76. Problems in Onkyo receiver
  77. RCA 40409 & 40410 Transistors
  78. Amplifier AVR200 seems to have a problem
  79. Bias stabilty tests.
  80. Baxandall diode information.
  81. équivalent de VC5022
  82. DIY speaker cable question
  83. VAS buffer
  84. Sansui AU 11000
  85. My Experience with HD600 vs AKG K701 vs Denon AH-D5000
  86. My "ExtremA" is Built. Whew.
  87. Crown Power-Tech 2 repair
  88. Anyone recognise this Design..? based on LME49810
  89. sima amplifier questions
  90. Problem with the bias of a Krell kst 100
  91. Technical Books Free Download
  92. Harman Kardon AVR 120
  93. suggestion for a 15W amplifier?
  94. Ib different in output-stage
  95. Ping balaboo
  96. need schematic drawing outlaw amplifier
  97. marantz pm94
  98. use 2 la4440 identical bridge circuit
  99. Channel Balance question??
  100. Phase Linear transistors drivers & finals
  101. Influence of the delay amplifiers for listening characteristics
  102. Phase Linear 400 transistor replacements
  103. blowtorch + symasym ?
  104. Harman Kardon Citation 12 distort sound
  105. Phase Linear 400 bridged mono?
  106. Buffer distortion?
  107. Bad day to be a capacitor
  108. Wildcard Power Amp dev. thread (SMD, Quasi NMOS, IRFP260, digital bias)
  109. Biamp CPA650 problems
  110. My nad L73 Receiver amp distorting bad!
  111. Pioneer SA 6500 into a Numark Tt-200....left speaker going off randomly! Help!
  112. "Push-Pull" for push und "Push-Pull" for pull (like Gamnut) - whats the right name?
  113. About LTSpice Simulation.
  114. Have somebody schematic from BGW 750G and newer models like X5600
  115. Toshiba 2SC5242 / 2SA1962 replacements?
  116. Harman Kardon Citation 12 crunchy low volume output
  117. Hybrid/buz900
  118. Emitter follower related question
  119. Car amplifier output transformer
  120. Leach amp questions
  121. Help Needed - Marantz 1060 dead channel
  122. Impedance, Schmedance....
  123. Preamp response curve
  124. My new SymAsym PCB design Rev_1.3
  125. Blew up JFET's on Preamp
  126. Direct Drive amplifier for DIY ribbon?
  127. My folded-cascode VAS linearity investigation
  128. driving paralleled mosfets in hybrid circuit
  129. Phase Linear 200II upgrade
  130. input impedance of mosfet question?
  131. A&R Cambridge A60 Amp left channel very low distorted
  132. nikko TRM-750
  133. Qs on Parasound HCA-1200 - Popping.
  134. Velleman Volume remote - tv, not hi-fi
  135. Spoeaker protection, project #33
  136. Need help with output stage
  137. PHONIC PWA 2200 schematic Needed
  138. Azur 640A v2 Service manual
  139. C.E.C AMP3300R (3300 R Amp 3300R Amp3300) and AMP5300R LEF Class A schematic wanted
  140. need schematic VR-209
  141. Carver receiver part I.D.
  142. power amp for active high pass section
  143. Advice wanted on using old relays in DC protection circuits
  144. Soft start question
  145. Copper ring as a shield of the main power cables???
  146. Your opinion about this schematics?
  147. Magnatec's new line - ALFET
  148. need schematic
  149. Amplifer 1 channel dead .Please help
  150. Re-start long idlle Parasound HCA-220ii
  151. Leak Delta 70 - Attempt DIY, Overhaul or buy another amp?
  152. Need Better power amp for active x'over.
  153. Replacement Denon 2sk184c
  154. Replacement transistors for Leach Superamp. Help needed!
  155. Replacement transistors in Leach Superamp. Help needed!
  156. protection/limmit with ldr
  157. Pioneer SA-1050
  158. C Audio RA3001.....I could do with some help!!
  159. New idea for low dissipation Class A amplifier.
  160. It's cheap, it's N, it's dirty, it's.... The CIRCLOMOS!!!
  161. marantz sc 7 service manual
  162. Help with a foolish question- technics se-m100
  163. Help with these? DC300A schematic anyone? Parts
  164. Mounting a small signal diode on heatsink - need suggestion
  165. P14nf12FP amplifier schematic requested
  166. Creek 5350MK2 (5350-II 5350 Mark 2 5350-MK2) - circuit descr. arround Q12a wanted
  167. Why do YOU DIY? Answer for my college research paper.
  168. VU meters
  169. Transformer for 80's Yamaha a-320
  170. Power Amplifier - Pre Amplifier Unity gain - Voltage gain - where as royal way ?
  171. Technics SU-Z400 problem
  172. Problem with isolated and lifted grounds
  173. Attenuation
  174. Studio Series Pre-Amp
  175. Line preamp acting as a tuner – how is it possibile ?
  176. My implementation of the Cordell Distortion Analyser
  177. Crown DC300a Repair Questions
  178. Possible fake Toshiba/Sanken transistors?
  179. Reverse of the old Loudness Control
  180. Triangle TE 60 Amplifier mods
  181. Recommendation Please-100W Wide-Bandwidth Amp
  182. 2SA1210 Transistor info
  183. help with translating from chinese
  184. Transistors for 80's vintage amps
  185. Amplifier Topology
  186. Pioneer A-300X, strange VAS
  187. Crown XLS 602 Bridge switch mod
  188. Try Again- Need help on an HK330B
  189. Trying to build a small battery powered amp...
  190. Anyone have made those diy discretes op-amps ?
  191. Opamp circuit to boost a small range of audio frequency
  192. Diagnosing a power amp
  193. Topology Federmann, HQQF-55 ...
  194. Amplifier Stand - Ikea Modded
  195. some help with a 2 channel project.
  196. Realistic MPA-100 Model#32-2023
  197. THD and IM - a new approach to the perception of distortion
  198. Watt Sucking Fireball Series
  199. How much headroom is needed
  200. FM Acoustics FM 1000 Ultra-High Power Amplifier, the absolute State of the Art?
  201. Zero feedback push-pull buffer : piezo driver idea
  202. diagnosing remote control for Unison Unico
  203. Slightly evolved P3A simulation
  204. TO-3 BJT's
  205. Marantz PM66SE - fuse blown
  206. Please Help to undustand this
  207. Rotel RB 850 and Marantz 5002 both burnt out, please help!
  208. 2SK56/2SJ176 Mosfet wiring needed to avoid oscillation
  209. Phono Stage for Arcam Preamp
  210. 2sk135/2sj50 amp schematic?
  211. Krell Chassis, where?
  212. Power measurements
  213. Best Audio Relays
  214. Marantz PM44SE - Distortion from input selector
  215. leach troubleshooting
  216. Source follower thermal cycling?
  217. Pre/Power Amp Confusions/Problems with Yamaha Bass Cabinet
  218. NAD 304. Single folded VAS?
  219. Question about Class-A Amplifier.
  220. j352 - k2221 MOSFET PAIRS
  221. Single rail precision full wave rectifier - full gnd->rail DC swing possible?
  222. Alchemist Forseti ADP20 schematics
  223. SOIC to DIP adaptors
  224. Discrete preamp - seeking opinion and advice
  225. No global Feedback Amp - Opinions
  226. Current Source video from Linear Tech
  227. Question About Transistor Matching
  228. Potentiometer Overview - Alps, Penny+Giles, TKD and Vishay and more, what's your fav?
  229. Use Tube Pre amp or not ?
  230. Parasound HCA-1500A - I need some help (noob warning)
  231. stability of my preamp
  232. An7512
  233. A trashed currentfeedback amp from 2003 with CFP output....
  234. BF245 help please
  235. Mission Cyrus III
  236. Qsc amps with "flying power" supply?
  237. Creek phono amp card
  238. J Fet Buffer problem - help !
  239. Can i convert voltage from 110v to 220v in these units?
  240. Potentiometer like Alps for complete disassembly wanted
  241. Marantz 2252b help
  242. Baxandall tone control circuit
  243. DN2540N5 current rating oddity
  244. 20w Class A amplifier!
  245. Updating an old Rotel RA820A to use HEXFETS's amongst other mods :)
  246. What amp to build for a ESL speaker?
  247. Power cord replacement - ground?
  248. Question about differential amplifier latchup
  249. 2SK371 FETs
  250. Simple clip led circuit.

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