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  1. mains frequency//secondary current
  2. HIRAGA higher power
  3. New MJ21193's and 94's are cased in steel?
  4. Lookinf for NAD S300 Service Manual or Schematic
  5. An oldie. Maybe a goodie?
  6. Help please
  7. Akai GX 265D line voltage on line outs?
  8. Nakamichi CA-5 control amplifier
  9. N00b alert: My first amp design
  10. Very silly PCB related question...
  11. Technics SU-7300 distortion
  12. Trimodal amplifier schematic
  13. Modifying Audiolab 8000A
  14. Current-dumping Class-AB Self Type-II EF O/P
  15. Balanced (preamp) Outputs - Why ?
  16. Sony FH-B7CD / KSS-240A problem (for Anatech)
  17. Any ideas how to send a 5 switch position info over two wires?
  18. FET GHz Graphene transistor
  19. student with free time on his hands
  20. wattage question
  21. 2SK134/2SJ49 for output of Counterpoint SA-12??
  22. Hi there cambridge audio a4 faulty in need of the wizzes help (X PRO ) please
  23. Display Dead / Dimms - JVC RX-5THPBK
  24. question about amplifier earthing.
  25. Need help w/ MJ4030 & MJ4033
  26. Intermittent drop-out and crackle at low volume
  27. Citation 12 help
  28. Burnt & Destryed my virtual resistor!
  29. elliot sound project 27b question
  30. PS Audio 200c repair and upgrade
  31. New Amplifier design
  32. Does anyone ever use enhancement-mode devices?
  33. modifying Unico
  34. Need JVC R-X350VB troubleshooting help
  35. marantz pm4000 mods
  36. Complete amplifier kits
  37. Toroidal Transformer Identification Help
  38. Measurements of an Adcom GFA-5800
  39. How to remove knicks on Krell Heatsinks/chassis
  40. I need Everyday Electronic article
  41. adcom gfa-5300 left channel overheating
  42. Attempt a fix, or get it fixed ... preamp processor not quite right :(
  43. italian style
  44. Marshall guitar amp. Upgrade IC's recommendations
  45. WTB: STK043 stereo amplifier chip
  46. positive rail fuse blowing
  47. Can TL431 be used as a bias transistor??
  48. Linkwitz-Riley Crossover questions
  49. Crackling noise in left channel.
  50. Luxman A-007 --- Schematic?
  51. GE Capacitors?
  52. Reccomended Schems + Sub
  53. Minimum Detectable Distortion
  54. Transformer expert needed.
  55. Noisy Amp
  56. reducing voltage
  57. audiolab amps
  58. I want to experiment with Balanced Lines
  59. Wanted - 2SK414/2SJ119
  60. Diamond Amp
  61. 24 step ladder att - question
  62. Adcom GFA-5300 input problems?
  63. mcintosh 250 ampfiler schematics need
  64. Problem with Rotel RB850
  65. Marantz 2235B running hot
  66. Adcom GFA-565 again, fluctuating DC offset
  67. PS Audio 200CX high DC
  68. marantz 250 amplifer
  69. Cyrus 2 Repair
  70. NAD 3020 with loud hum. A couple of simple questions.
  71. Novel current source: the Tail Lengthener
  72. Gary Pimm self bias CCS but without LND150
  73. Ripple current ?
  74. PCB layout for phonostage
  75. HK AVR335 problem (no sound)
  76. Fast transistors?
  77. Nad c320 service manual
  78. ramsa wp9440
  79. crest 6001
  80. The Awesome Cordell Amp!
  81. thermally compensated Vb bias circuit?
  82. MKC sound vs Russian PIO : audio path
  83. unbalanced stereo out to mono summed balanced output
  84. MicroCap simulation questions
  85. Ptc Resistors
  86. QSC 22 Adjust advice please...
  87. Crackling noise from bridge rectifiers (100Hz) is heared
  88. vintage amplifier repair/upgrade manual
  89. Problems with an Akai AM-52
  90. Discrete Class A amplifier for discussion.
  91. low cost amp with xlr balanced capability
  92. emulating a lateral mosfet
  93. Onkyo M-501 Service Manual
  94. Marantz 1515 receiver
  95. Cyrus 2, does anybody know the voltage of the bipolar capacitors?
  96. Hafler XL280-went kaput
  97. Motorola c-3000 Transitor
  98. 300DC repair
  99. 100W A classe with only 45W idle power dissipation
  100. 100W Aclasse, 45W idle power dissipation
  101. Safe T0 -92 case temperature?
  102. Input selector switching
  103. Could someone please answer this Transistor question
  104. hardman cardon AVR20II
  105. Velodyne Servo plate amp
  106. Does anyone know the name of this configuration?
  107. Technics Class A Biasing
  108. Cyrus 2, help needed!!!
  109. Video Op Amps...?
  110. broken sub, loud hum
  111. Quick capacitor question
  112. Sumo Artemis pre-amp
  113. Amp for Selenium's 18SW1P
  114. New amp....intermediate proto.
  115. Darlington Resistor
  116. Help with Kenwood KA-94
  117. Carver M500t repairs in Canada?
  118. The Chet Baker AMP!
  119. nordic
  120. SC480 & ETI480 Volume Levels ?
  121. Soundcraftsmen RA7501 DC Offset Repair In Progress
  122. hk pm 645 vxi
  123. HELP - What's wrong with my Naim Nap135?
  124. ltp transistor matching
  125. P3- P3A idle/ temperature question
  126. TDA7250 feedback compensation question
  127. 2SA1837/2SC4793 Matching Yield?
  128. sony amplifier str k750
  129. sansui r50- tuner not working
  130. NAD 3020A repair. Low output levels
  131. Help Troubleshooting a blown amp (SAP16)
  132. unhappy marriage (oscillations)
  133. Power switch for B&O 1000asp.
  134. Can an amp "warm up" with age?
  135. Two noise problems on two different NAD 216 THX
  136. Rotel RB990-BX oscillates after turning off?
  137. 2sa968/2sc2238
  138. My first time......
  139. Cryus PSX-R - Connect to Amp III or CD8x ??
  140. Marantz PM44SE
  141. Electrocompaniet AW-250r Gain
  142. 2 channel amp choice
  143. Does Pink noise follow the V x V/R method?
  144. help selecting correct amp chip
  145. NAD 3020 Which version?
  146. Electronics parts source?
  147. Schematics and Service Manuals
  148. 70W Class A amp.
  149. Yamaha A 720 switch problems
  150. My K10A build
  151. SMPS Trouble, wont start - need some advice! Full schematic
  152. P3B experiences?
  153. Got any Sansui au-6900 SM, schematics or whatever?
  154. Happy New Year all the guy's
  155. Denon AVR1708 won't drive Polk speakers
  156. Getting a sound card to produce tones down to 0.5 Hz
  157. what is name of this power amlifier?
  158. Discrete AD797 up and running
  159. Replacement capacitors for Arcam Alpha plus
  160. wich driver stage??
  161. Need help with vintage Onkyo power amp.
  162. High voltage Opamp with power transistors
  163. Accuphase P-250 schematic needed
  164. studiomaster schematics
  165. C-Audio Pulse Series Amplifier Problem
  166. What is the prefered meathod for controling volume
  167. Yet another boring Bipolar amp design!
  168. hitachi hma-8300 diagram
  169. Help With A 500 Watt subwoofer and a 1000 amp
  170. Kenwood sigma drive
  171. RIP C-Audio SRX3801
  172. My idea for Flying Cap or Never-Connected PSU
  173. Opamp distortion tests posted
  174. Peavey 260 PA/mixer: Noise!
  175. Input jack replacement Crate BT-350
  176. Hybrid Sziklai CFP
  177. Signal Chain, connecting units that each have floating supplies?
  178. Sumo Polaris Mod. 310 W/ Ch. failure.
  179. JFET Lineamp with Gain
  180. what transistor is best?
  181. bjt amplifier ciruit
  182. stage monitor question
  183. the ultimate P3A testing !!!!!
  184. 16Ohm Ampli
  185. transformer and transistor question
  186. sony ESamp cracles & sparks at RIGHT speaker terminals
  187. Recommend a high power amp
  188. Problem with HP 8903B distortion analyzer
  189. 2009 EcoAmp
  190. Peak Voltage On The Crown 5000vz
  191. Source resistors for MOSFETs
  192. Repair SMPS - Need help identifying SMD, schematic attached
  193. Adcom GTP 500 Preamp Request for Help
  194. mlitycHC vs KG vs 4pole any info??
  195. hafler xl-280 problem
  196. The CMP Final Stage
  197. 300 watt mosfet
  198. First discrete amp, Need help with NTE 390, 391, 375, 398, and BD140, 139 project
  199. Resident SWR bass amp gurus needed
  200. PS Audio P500 transformer
  201. Sumo andromeda II - Broken..
  202. Optimus STA-3500 mod question
  203. Another amp
  204. Marantz MR 250L backlight gone
  205. How critical is matching PNP/NPN in complementary stages?
  206. The next best thing to 2SK389 / 2SJ109 ?
  207. Threshold Mods or Upgrades
  208. Soundcraft Gigrac 1000st schematic??
  209. FREE online data sheets
  210. a wonderfull sziklai
  211. Yamaha Q2031B Service Manual needed
  212. main pot for Yamaha CR1020
  213. Need to replace the transformer in this amplifier
  214. bVAS - just an idea
  215. how exchange this for more power?
  216. First Plasma Transistor
  217. Troubleshooting Amp
  218. So how do you measure power amplifier PSRR then?
  219. Turned up the volume and now its fooked
  220. opamp distortion measurements
  221. Triple emmiter follower
  222. audio dynamics c200 pre amp..
  223. Cyrus II + PSX let the modding begin !
  224. Care and feeding of C839?
  225. Yet another Adcom GFA-565 problem
  226. Help needed with Linn LK2 schematic
  227. Decoupling by separate supply or battery
  228. balancing of input coupling capacitor
  229. Amp recomendations
  230. cerwin vega amp / ampzilla clone
  231. Power conditioner / isolation transformer
  232. How do I connect
  233. Passive Preamp Problem
  234. help on Up Rating Problem
  235. Boots Audio?
  236. re "The sound of silence"
  237. 200W Marshall power amp oscilations
  238. Doubt about output offset
  239. P3A Bootstrap and NFB Capacitors
  240. samson servo 260 advice please
  241. Stepped Attenuator Question (see attached pic)
  242. what is best for an op amp?
  243. help with learning
  244. Ics in SS amp?
  245. Aussie amplifiers spec seems better than Bryston
  246. Help with INA103 mic preamp
  247. current spike question
  248. NAD 7020 receiver
  249. Problem with marantz 7200. Something blew (i think ??)
  250. good wire for preamp

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