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  1. Aura VA100 Phono stage problem
  2. Bd 139
  3. Clone kits of famous power amplifier
  4. Nikko na-850
  5. Parasound HCA-2200 II Fuses
  6. Mosfet Power Amplifier
  7. Azure 640A PSU Humm?
  8. THD distortion HELP!!!
  9. Marantz PM52SE & JVC A-S3 Amp Schematics
  10. Dynamic Headroom
  11. Harman-Kardon HK6250
  12. Please Help with capacitor replacement
  13. awb50 ,a simple power amp
  14. Cyrus III power amp schematic here, but schematics of the later models wanted
  15. I am proud to announce the Dx-M, 300 wiskies of power with a very low distortion
  16. Modding Quad 44
  17. MosFet Relays
  18. replacement 2sa1142p
  19. musical fidelity MFXA50 DIY
  20. Schematic needed
  21. Issues with Superscope BLA-530 by Marantz
  22. biasing my kenwood 6140A
  23. Disimproved NAD 304
  24. Old amp upgrades?
  25. Sourcing parts from old amps.
  26. just got a free RLSTC STA-2000. recap?
  27. Bell PSX6022 or PSX5022 urgent
  28. Max voltage of 2SK170?
  29. Boss Riot R735 in protection mode
  30. I need more bass!
  31. Ultra high precision digital control attenuator
  32. Does anyone know what transformer was used in the Adcom GFA-585 power amp?
  33. B & K Pro10MC
  34. Reaction-cons.
  35. The most modern ancient design, Doctor Self, maybe Curl , teenagers that time...
  36. MPSU07/57 replacements
  37. Hybrid SEPP Cascode TransNova High Zo Amp
  38. Crest Pro Series Bias? 10001
  39. What makes me believe that discrete is better
  40. onix oa21 problem
  41. the stupid question series: AC coupled balanced/unbalanced output, servo useful?
  42. Yamaha BX-1 monoblock
  43. Ratio of power into load and driver transistor
  44. AV800 again :D
  45. Searching 2 matched pairs 2sa1492 and 2sc3856
  46. DM/CM RFI filter on instrumentation opamp input
  47. GAS Thaedra/Thoebe phono stage adjust
  48. Running a tube preamp into a solid state preamp?
  49. Parasound HCA-1000A help needed
  50. Parallel output transistor matching
  51. BGR Blazer X10 1000W RMS Monoblock Power Amplifier
  52. P101 amp troubleshooting
  53. Question on opamps/mixing desks and production of CD's/records.
  54. Solid Solid State Power Amplifier
  55. Cleaning Switch in High-End Sony Preamp
  56. JFET choice
  57. TOA A-1121 schematic
  58. PC simulation - what do you use?
  59. Help with this amp
  60. Bargraph and clip LED's
  61. Is this possible
  62. Best of eBays chinese offerings?
  63. LT spice DC .op function
  64. denon pma530 amp
  65. Adcom GFA 5500
  66. Simple Preamp with tone control problem.
  67. Analogue circuit analysis
  68. 5W Class A transistorized amp
  69. Zenith B935 console radio/record player
  70. help with repair of DC300A series II
  71. Heatsink insulator
  72. Stability of 2SK170 at small currents
  73. Electronic expert in Hereford wanted
  74. signal and chassis ground wiring with RCA and XLR
  75. CCS acting strange. What's wrong?
  76. Smouldering Amp, Help pls
  77. Power amp fault-any suggestions please?
  78. marantz pm94
  79. SS overheating? Can I mod it?
  80. Intel CPU heatsinks as power output transistor heatsinks?
  81. Simple 200 watt complimentary FET amplifier (possibly tube driver?)
  82. Zener diode test with dvom
  83. LTSpice tutorial
  84. Re: Sansui 3000A vs. Yamaha CA 1000 II Integrated Amp
  85. Signal path caps........
  86. amplifier kit in USA
  87. Electrocompaniet AW250 needs shematics or idea!
  88. Mark Levinson 336 adjustment problem
  89. HAFLER 9505: 110V rewirable for 220V?
  90. Who knows this amplifier
  91. The Black Box, Smith Cell
  92. diy heatsinks - please give some advices
  93. Problems in Onkyo receiver
  94. 'Best' amp concept for headphones w/ impedance ~8ohm
  95. Problems in Onkyo receiver
  96. RCA 40409 & 40410 Transistors
  97. Amplifier AVR200 seems to have a problem
  98. Bias stabilty tests.
  99. Baxandall diode information.
  100. équivalent de VC5022
  101. DIY speaker cable question
  102. VAS buffer
  103. Sansui AU 11000
  104. My Experience with HD600 vs AKG K701 vs Denon AH-D5000
  105. My "ExtremA" is Built. Whew.
  106. Crown Power-Tech 2 repair
  107. Anyone recognise this Design..? based on LME49810
  108. sima amplifier questions
  109. Problem with the bias of a Krell kst 100
  110. Technical Books Free Download
  111. Harman Kardon AVR 120
  112. suggestion for a 15W amplifier?
  113. Ib different in output-stage
  114. Ping balaboo
  115. need schematic drawing outlaw amplifier
  116. marantz pm94
  117. use 2 la4440 identical bridge circuit
  118. Channel Balance question??
  119. Phase Linear transistors drivers & finals
  120. Influence of the delay amplifiers for listening characteristics
  121. Phase Linear 400 transistor replacements
  122. blowtorch + symasym ?
  123. Harman Kardon Citation 12 distort sound
  124. Phase Linear 400 bridged mono?
  125. Buffer distortion?
  126. Bad day to be a capacitor
  127. Wildcard Power Amp dev. thread (SMD, Quasi NMOS, IRFP260, digital bias)
  128. Biamp CPA650 problems
  129. My nad L73 Receiver amp distorting bad!
  130. Pioneer SA 6500 into a Numark Tt-200....left speaker going off randomly! Help!
  131. "Push-Pull" for push und "Push-Pull" for pull (like Gamnut) - whats the right name?
  132. About LTSpice Simulation.
  133. Have somebody schematic from BGW 750G and newer models like X5600
  134. Toshiba 2SC5242 / 2SA1962 replacements?
  135. Harman Kardon Citation 12 crunchy low volume output
  136. Hybrid/buz900
  137. Emitter follower related question
  138. Car amplifier output transformer
  139. Leach amp questions
  140. Help Needed - Marantz 1060 dead channel
  141. Impedance, Schmedance....
  142. Preamp response curve
  143. My new SymAsym PCB design Rev_1.3
  144. Blew up JFET's on Preamp
  145. Direct Drive amplifier for DIY ribbon?
  146. My folded-cascode VAS linearity investigation
  147. driving paralleled mosfets in hybrid circuit
  148. Phase Linear 200II upgrade
  149. input impedance of mosfet question?
  150. A&R Cambridge A60 Amp left channel very low distorted
  151. nikko TRM-750
  152. Qs on Parasound HCA-1200 - Popping.
  153. Velleman Volume remote - tv, not hi-fi
  154. Spoeaker protection, project #33
  155. Need help with output stage
  156. PHONIC PWA 2200 schematic Needed
  157. Azur 640A v2 Service manual
  158. C.E.C AMP3300R (3300 R Amp 3300R Amp3300) and AMP5300R LEF Class A schematic wanted
  159. need schematic VR-209
  160. Carver receiver part I.D.
  161. power amp for active high pass section
  162. Advice wanted on using old relays in DC protection circuits
  163. Soft start question
  164. Copper ring as a shield of the main power cables???
  165. Your opinion about this schematics?
  166. Magnatec's new line - ALFET
  167. need schematic
  168. Amplifer 1 channel dead .Please help
  169. Re-start long idlle Parasound HCA-220ii
  170. Leak Delta 70 - Attempt DIY, Overhaul or buy another amp?
  171. Need Better power amp for active x'over.
  172. Replacement Denon 2sk184c
  173. Replacement transistors for Leach Superamp. Help needed!
  174. Replacement transistors in Leach Superamp. Help needed!
  175. protection/limmit with ldr
  176. Pioneer SA-1050
  177. C Audio RA3001.....I could do with some help!!
  178. New idea for low dissipation Class A amplifier.
  179. It's cheap, it's N, it's dirty, it's.... The CIRCLOMOS!!!
  180. marantz sc 7 service manual
  181. Help with a foolish question- technics se-m100
  182. Help with these? DC300A schematic anyone? Parts
  183. Mounting a small signal diode on heatsink - need suggestion
  184. P14nf12FP amplifier schematic requested
  185. Creek 5350MK2 (5350-II 5350 Mark 2 5350-MK2) - circuit descr. arround Q12a wanted
  186. Why do YOU DIY? Answer for my college research paper.
  187. VU meters
  188. Transformer for 80's Yamaha a-320
  189. Power Amplifier - Pre Amplifier Unity gain - Voltage gain - where as royal way ?
  190. Technics SU-Z400 problem
  191. Problem with isolated and lifted grounds
  192. Attenuation
  193. Studio Series Pre-Amp
  194. Line preamp acting as a tuner – how is it possibile ?
  195. My implementation of the Cordell Distortion Analyser
  196. Crown DC300a Repair Questions
  197. Possible fake Toshiba/Sanken transistors?
  198. Reverse of the old Loudness Control
  199. Triangle TE 60 Amplifier mods
  200. Recommendation Please-100W Wide-Bandwidth Amp
  201. 2SA1210 Transistor info
  202. help with translating from chinese
  203. Transistors for 80's vintage amps
  204. Amplifier Topology
  205. Pioneer A-300X, strange VAS
  206. Crown XLS 602 Bridge switch mod
  207. Try Again- Need help on an HK330B
  208. Trying to build a small battery powered amp...
  209. Anyone have made those diy discretes op-amps ?
  210. Opamp circuit to boost a small range of audio frequency
  211. Diagnosing a power amp
  212. Topology Federmann, HQQF-55 ...
  213. Amplifier Stand - Ikea Modded
  214. some help with a 2 channel project.
  215. Realistic MPA-100 Model#32-2023
  216. THD and IM - a new approach to the perception of distortion
  217. Watt Sucking Fireball Series
  218. How much headroom is needed
  219. FM Acoustics FM 1000 Ultra-High Power Amplifier, the absolute State of the Art?
  220. Zero feedback push-pull buffer : piezo driver idea
  221. diagnosing remote control for Unison Unico
  222. Slightly evolved P3A simulation
  223. TO-3 BJT's
  224. Marantz PM66SE - fuse blown
  225. Please Help to undustand this
  226. Rotel RB 850 and Marantz 5002 both burnt out, please help!
  227. 2SK56/2SJ176 Mosfet wiring needed to avoid oscillation
  228. Phono Stage for Arcam Preamp
  229. 2sk135/2sj50 amp schematic?
  230. Krell Chassis, where?
  231. Power measurements
  232. Best Audio Relays
  233. Marantz PM44SE - Distortion from input selector
  234. leach troubleshooting
  235. Source follower thermal cycling?
  236. Pre/Power Amp Confusions/Problems with Yamaha Bass Cabinet
  237. NAD 304. Single folded VAS?
  238. Question about Class-A Amplifier.
  239. j352 - k2221 MOSFET PAIRS
  240. Single rail precision full wave rectifier - full gnd->rail DC swing possible?
  241. Alchemist Forseti ADP20 schematics
  242. SOIC to DIP adaptors
  243. Discrete preamp - seeking opinion and advice
  244. No global Feedback Amp - Opinions
  245. Current Source video from Linear Tech
  246. Question About Transistor Matching
  247. Potentiometer Overview - Alps, Penny+Giles, TKD and Vishay and more, what's your fav?
  248. Use Tube Pre amp or not ?
  249. Parasound HCA-1500A - I need some help (noob warning)
  250. stability of my preamp

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