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  1. quad 606 mk1 problem
  2. 1300DC Restoration
  3. Adcom GTP-740 Preamp Problems
  4. Attenuator BEFORE or AFTER active crossover?
  5. Issues with Emu tracker and THD measurements
  6. 2SB552 & 2SD552 Applications
  7. SG505 schematic
  8. ROTEL amp sounds dull
  9. strange feedback issue ( wiring )
  10. Nakamichi PA-1 problem
  11. Mj15003
  12. yamaha P4500
  13. Input Stage Question
  14. B&K ST202 schematics
  15. Laney HCM160B's transistor
  16. Amplify my 4 ohm speaker
  17. Quartre Amplifier ???
  18. Outsider Mono Power Amplifiers
  19. CSPP With Vertical-Fet 2SJ18
  20. NAD 3020A Issues
  21. lcaudio`s LN regulator
  22. 2A ClassA using EXICON Lateral
  23. Phase linear 400 meter lamp replacements
  24. My new amp...is Alive!!!
  25. IGBT amp for direct drive of Electrostatics?
  26. Gas Ampzilla
  27. The simplest polarity switch
  28. Dynacord power mate 1000mk1
  29. Diode Identifcation/Data
  30. Conrad Johnson Premier 350
  31. Passive preamp part two
  32. AB Amplifier with clasics transistors
  33. TDA7293 as output stage
  34. cambridge a4 output update
  35. Nak 610 Control Preamplifier needs help!
  36. Amplifier +V, -V 0V
  37. Higher-harmonic distortion canceller
  38. BGW 620B help/schematic wanted
  39. Wich Suppression Capacitor to block Mains emi?
  40. Quad 405 - Can you describe how this circuit operates?
  41. Onkyo help !!
  42. Nad M3 Schematic
  43. I have a question in regards to upgrading Peavey CS 800 electrolytics
  44. The Rush Cascode: Possible Wiki page
  45. will this work
  46. General purpose shunt regulator
  47. marantz esotec ma-5
  48. Mosfet Amplifier
  49. Musical Fidelity A1 Improvements
  50. BC560B instead of BC560C?
  51. How to measure phase margin of an amplifier?
  52. MJ15003 or MJ15022 ?
  53. Peavey 400 blowing fuse on power up
  54. Building a Monster... Class A
  55. Could someone explain this Hafler/Strickland output topology to me?
  56. Cambridge A3i will not work
  57. Testing Class B Output stage
  58. Onkyo M510 driver board
  59. Accuphase e202 repair
  60. Technics spare parts
  61. Audio Analyser using a uC
  62. Distortion question.
  63. Kenwood KA-4040R schematic
  64. marantz 250 amplifer.& RobertinMn
  65. Hitach HA6800 Power Amp
  66. accuphase e202
  67. cap polarity.... another mosfet amp
  68. Cambridge Audio A1 Schematic
  69. 6W, Class A, hopefully something I can build. :D
  70. technics sa-gx 650..dead
  71. a couple of questions on diamond buffer
  72. mains frequency//secondary current
  73. HIRAGA higher power
  74. New MJ21193's and 94's are cased in steel?
  75. Lookinf for NAD S300 Service Manual or Schematic
  76. An oldie. Maybe a goodie?
  77. Help please
  78. Akai GX 265D line voltage on line outs?
  79. Nakamichi CA-5 control amplifier
  80. N00b alert: My first amp design
  81. Very silly PCB related question...
  82. Technics SU-7300 distortion
  83. Trimodal amplifier schematic
  84. Modifying Audiolab 8000A
  85. Current-dumping Class-AB Self Type-II EF O/P
  86. Balanced (preamp) Outputs - Why ?
  87. Sony FH-B7CD / KSS-240A problem (for Anatech)
  88. Any ideas how to send a 5 switch position info over two wires?
  89. FET GHz Graphene transistor
  90. student with free time on his hands
  91. wattage question
  92. 2SK134/2SJ49 for output of Counterpoint SA-12??
  93. Hi there cambridge audio a4 faulty in need of the wizzes help (X PRO ) please
  94. Display Dead / Dimms - JVC RX-5THPBK
  95. question about amplifier earthing.
  96. Need help w/ MJ4030 & MJ4033
  97. Intermittent drop-out and crackle at low volume
  98. Citation 12 help
  99. Burnt & Destryed my virtual resistor!
  100. elliot sound project 27b question
  101. PS Audio 200c repair and upgrade
  102. New Amplifier design
  103. Does anyone ever use enhancement-mode devices?
  104. modifying Unico
  105. Need JVC R-X350VB troubleshooting help
  106. marantz pm4000 mods
  107. Complete amplifier kits
  108. Toroidal Transformer Identification Help
  109. Measurements of an Adcom GFA-5800
  110. How to remove knicks on Krell Heatsinks/chassis
  111. I need Everyday Electronic article
  112. adcom gfa-5300 left channel overheating
  113. Attempt a fix, or get it fixed ... preamp processor not quite right :(
  114. italian style
  115. Marshall guitar amp. Upgrade IC's recommendations
  116. WTB: STK043 stereo amplifier chip
  117. positive rail fuse blowing
  118. Can TL431 be used as a bias transistor??
  119. Linkwitz-Riley Crossover questions
  120. Crackling noise in left channel.
  121. Luxman A-007 --- Schematic?
  122. GE Capacitors?
  123. Reccomended Schems + Sub
  124. Minimum Detectable Distortion
  125. Transformer expert needed.
  126. Noisy Amp
  127. reducing voltage
  128. audiolab amps
  129. I want to experiment with Balanced Lines
  130. Wanted - 2SK414/2SJ119
  131. Diamond Amp
  132. 24 step ladder att - question
  133. Adcom GFA-5300 input problems?
  134. mcintosh 250 ampfiler schematics need
  135. Problem with Rotel RB850
  136. Marantz 2235B running hot
  137. Adcom GFA-565 again, fluctuating DC offset
  138. PS Audio 200CX high DC
  139. marantz 250 amplifer
  140. Cyrus 2 Repair
  141. NAD 3020 with loud hum. A couple of simple questions.
  142. Novel current source: the Tail Lengthener
  143. Gary Pimm self bias CCS but without LND150
  144. Ripple current ?
  145. PCB layout for phonostage
  146. HK AVR335 problem (no sound)
  147. Fast transistors?
  148. Nad c320 service manual
  149. ramsa wp9440
  150. crest 6001
  151. The Awesome Cordell Amp!
  152. thermally compensated Vb bias circuit?
  153. MKC sound vs Russian PIO : audio path
  154. unbalanced stereo out to mono summed balanced output
  155. MicroCap simulation questions
  156. Ptc Resistors
  157. QSC 22 Adjust advice please...
  158. Crackling noise from bridge rectifiers (100Hz) is heared
  159. vintage amplifier repair/upgrade manual
  160. Problems with an Akai AM-52
  161. Discrete Class A amplifier for discussion.
  162. low cost amp with xlr balanced capability
  163. emulating a lateral mosfet
  164. Onkyo M-501 Service Manual
  165. Marantz 1515 receiver
  166. Cyrus 2, does anybody know the voltage of the bipolar capacitors?
  167. Hafler XL280-went kaput
  168. Motorola c-3000 Transitor
  169. 300DC repair
  170. 100W A classe with only 45W idle power dissipation
  171. 100W Aclasse, 45W idle power dissipation
  172. Safe T0 -92 case temperature?
  173. Input selector switching
  174. Could someone please answer this Transistor question
  175. hardman cardon AVR20II
  176. Velodyne Servo plate amp
  177. Does anyone know the name of this configuration?
  178. Technics Class A Biasing
  179. Cyrus 2, help needed!!!
  180. Video Op Amps...?
  181. broken sub, loud hum
  182. Quick capacitor question
  183. Sumo Artemis pre-amp
  184. Amp for Selenium's 18SW1P
  185. New amp....intermediate proto.
  186. Darlington Resistor
  187. Help with Kenwood KA-94
  188. Carver M500t repairs in Canada?
  189. The Chet Baker AMP!
  190. nordic
  191. SC480 & ETI480 Volume Levels ?
  192. Soundcraftsmen RA7501 DC Offset Repair In Progress
  193. hk pm 645 vxi
  194. HELP - What's wrong with my Naim Nap135?
  195. ltp transistor matching
  196. P3- P3A idle/ temperature question
  197. TDA7250 feedback compensation question
  198. 2SA1837/2SC4793 Matching Yield?
  199. sony amplifier str k750
  200. sansui r50- tuner not working
  201. NAD 3020A repair. Low output levels
  202. Help Troubleshooting a blown amp (SAP16)
  203. unhappy marriage (oscillations)
  204. Power switch for B&O 1000asp.
  205. Can an amp "warm up" with age?
  206. Two noise problems on two different NAD 216 THX
  207. Rotel RB990-BX oscillates after turning off?
  208. 2sa968/2sc2238
  209. My first time......
  210. Cryus PSX-R - Connect to Amp III or CD8x ??
  211. Marantz PM44SE
  212. Electrocompaniet AW-250r Gain
  213. 2 channel amp choice
  214. Does Pink noise follow the V x V/R method?
  215. help selecting correct amp chip
  216. NAD 3020 Which version?
  217. Electronics parts source?
  218. Schematics and Service Manuals
  219. Yamaha A 720 switch problems
  220. 70W Class A amp.
  221. My K10A build
  222. SMPS Trouble, wont start - need some advice! Full schematic
  223. P3B experiences?
  224. Got any Sansui au-6900 SM, schematics or whatever?
  225. Happy New Year all the guy's
  226. Denon AVR1708 won't drive Polk speakers
  227. Getting a sound card to produce tones down to 0.5 Hz
  228. what is name of this power amlifier?
  229. Discrete AD797 up and running
  230. Replacement capacitors for Arcam Alpha plus
  231. wich driver stage??
  232. Need help with vintage Onkyo power amp.
  233. High voltage Opamp with power transistors
  234. Accuphase P-250 schematic needed
  235. studiomaster schematics
  236. C-Audio Pulse Series Amplifier Problem
  237. What is the prefered meathod for controling volume
  238. Yet another boring Bipolar amp design!
  239. hitachi hma-8300 diagram
  240. Help With A 500 Watt subwoofer and a 1000 amp
  241. Kenwood sigma drive
  242. RIP C-Audio SRX3801
  243. My idea for Flying Cap or Never-Connected PSU
  244. Opamp distortion tests posted
  245. Peavey 260 PA/mixer: Noise!
  246. Input jack replacement Crate BT-350
  247. Hybrid Sziklai CFP
  248. Signal Chain, connecting units that each have floating supplies?
  249. Sumo Polaris Mod. 310 W/ Ch. failure.
  250. JFET Lineamp with Gain

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