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  1. Parallel output with/without matched devices
  2. German Translation Needed: Bias Setting for Denon PMA-520
  3. Adding Additional Outputs to An Existing Denon PMA-520 Integrated
  4. Take a picture of your Krell KAV-300i please?
  5. Power Amp PCB design, grounding
  6. Finished - SymAsym "AAK" with softstart
  7. how does a LEF (load effect free) amplifier work?
  8. Blaupunkt XP240+MA240 schematic/circuit plan
  9. Cooling/heatsink option
  10. big mosfet wire mixup...
  11. BUZ 901x4s 500w Mosfet - Has anyone ever used these - I am about to!
  12. Onix OA20 Repair Advice
  13. Help identifying caps in Pioneer SA-5300...Thanks
  14. Adcom 565 DED!!! Soft Start Board?
  15. Massive 2nd harmonic reduction, why does it happened?
  16. Anyone upgraded a 740A Cambridge Audio ?
  17. Revitalization suggestions for my 22 year old Ion mono amps
  18. Rotel RB 1080 Glue Problem
  19. preamps, ss versus tubes
  20. Capacitors
  21. Few question , plz help
  22. Does my Onix OA21 have Dual Primaries 120-230?
  23. CM LABS 914a original fuse rating?
  24. Help ! Need source for PS caps
  25. P170 Power Amp My First Post
  26. Fixing a Marantz SR8000 (fried input)
  27. Please Help ID this... Diode?
  28. Can someone help me find a rackmount case in the UK please?
  29. Rebuilding Soundcraftsman amp. Need advice, ID burnt resistor??? Pix attached...
  30. Link:some vintage japan machines
  31. Looking for Schematic for Soundcraftsman Amp MA-5002
  32. Logitech Z-5300: Amplifier has a bad satellite output
  33. Altec 9440A DC Offset Instability
  34. out put toroids for hard speaker loads
  35. build this or not ??
  36. 2sa1909 and 2sc5101 transistor amp schematic?
  37. output pnp quasi amp need?
  38. NAD372 query
  39. Building a Bass SS amp out of a old car subwoofer...need advice!
  40. ATS MC preamp review needed
  41. Looks like SRPP ?
  42. Spectral Power Amp/Preamp confrontation
  43. Sub-amp module or stereo power amp
  44. soundstream 604 gremlin help
  45. Darlington or Mosfet?
  46. Linsley Hood's all-mosfet power amp
  47. Questions about the humble follower
  48. QSC audio - floating supply amplifiers
  49. Leach Low-TIM amp with less power/lower voltage rails
  50. A&R CAMBRIDGE ARCAM ALPHA problems.
  51. Broken Sony TA-N330ES (2SC2921 Transistor)
  52. Creating center tap from two transformers
  53. solid state, unity gain preamp
  54. Home HiFi Audio Solid State Devices from Motorola - various pics; Model No wanted
  55. cambridge azur 740A
  56. how work this amp?
  57. Problematic receiver - Luxman R-1050
  58. Output capacitor: subjective and objective views?
  59. ss/chip amp hybrid?
  60. Brionvega "RR 126" Radiofonografo stereofonico from 1965 schematic wanted
  61. Sanken 2SA1216 2SC2922, Genuine and Fake pictures
  62. 500va transfomer 3 secondaries no centre tap
  63. Power amp circuit with PrAT wanted
  64. DC-DC Converter
  65. Any notice??
  66. McIntosh MA6100
  67. DC on output of Chinese 'current mode' ebay amplifier
  68. Power Amplifier from the German Brand "Daub"
  69. Best replacement transistors for this amp?
  70. Altec Lansing Solid State Amps 1590B, 1590E, 771B, 771BX and "SYSTEM CABINET"
  71. amplifier .... procedure
  72. PRIMARE A20 MK II no output
  73. Op-amp selectable gain +/- 1.0
  74. Need so help with an AMP question
  75. two articles by Mills & Hawksford from 1989
  76. Cambridge Azur 640A V1 Buzz
  77. ETI System A pre amp by Stan Curtis. Full article.
  78. Analog Devices -- some noise math videos
  79. Thick Film Hybrid (not monolithic) Integrated Circuit Amplifier - Overview
  80. N.Sano, T.Hayashi, H.Ogawa,"A high-efficiency class-A audio amplifier", AES preprint
  81. QUASI Amplifier for Beginners
  82. Replacing CJD capacitors with K40y-9
  83. sansui au-6900
  84. Transformer issues? Perreaux 2150B Pix, Schematic...
  85. designing TGM3 - output Triples
  86. SAE C3A Service Manual
  87. DH 220 lost a channel
  88. why high current amplifiers?
  89. DIY amp for active subwoofer?
  90. Vintage AMPS in Nigeria?
  91. One channel of my Parasound HCA1000A bit the dust
  92. SAE R-102 Need help
  93. Replacing Bias IC with Individual Transistors
  94. +/- 85 volts symmetrical power supply
  95. P68 ...upgrade ( ??? )
  96. Classic Aragon (2004, 2004 MK II, 4004, 4004 MK II ) problems, experience and repairs
  97. Optical Attenuator/switches... any one ever even seen these. Opto isolated FETs
  98. Carver HR 875 pre-out bass distortion
  99. Vishay/Siliconix vs. IR irfp150
  100. problem in transistor test
  101. Looking for recommendations on TO-220 package GSD (Hitachi) pin-out MOSFETs
  102. Sony receiver won't turn on - need help
  103. what is the best to build?
  104. Finished Nmos200
  105. PP buffer question
  106. which NAD older generation amps & integrated amps are bipolar or mosfet?
  107. QUAD 909 Stereo - How to Mono?
  108. Ultra low noise amp with JFET's - How to reduce the THD ??
  109. fisher ca2110 amp help
  110. Simple classA power amplifier
  111. Weird oscillation problem
  112. Welling HS-8 Powered subwoofer problem..
  113. Where to buy power amps kits here in the usa?
  114. Very Old Mk1 Audiolab 8000A DIN sockets
  115. OPS topology
  116. Rotel RA-960BX power conversion
  117. Can this work ?
  118. Transistor substitutes
  119. What type of integrated amp is this please.
  120. Rotel RMB- 100
  121. Rotel RMB- 100
  122. need advise in SAE C3A retrofit
  123. Sugestions needed on power amp schematics to fit these MOSFETs.
  124. Concept 16.5 Issues.
  125. Looking for Aragon IPS (or equivelent)
  126. repairing Event 20/20bas active speakers
  127. studiomaster clip fault
  128. protection circuit for amps
  129. PO3_150W_Power_amp
  130. Diode Clipper ?
  131. help required with img stageline sta 750 schematic
  132. Scalar Audio Power Amplifier
  133. inca tech claymore mk3
  134. Power J-fet + PNP buffer
  135. Low and distorted output after amplifier heats up
  136. Look for Amplifier tda2052
  137. Active crossover modification
  138. Restek Fantasy amp cap upgrade + opamps and Bursons!
  139. mosfet schematic
  140. Tuning the DX Blame amplifiers, for newbies...
  141. Substitute for 2SC3421/2SA1358 Drivers
  142. Nad 304 problem again..help me with r333
  143. Quad 909 buzz problem
  144. Help! Marantz SR-8500 that is clicking
  145. a Greek catastrophe
  146. Vintage Transistors
  147. Isolating power transformer from chassis
  148. variable resistor
  149. Quad 44
  150. Qsc mx 1500 120v
  151. rel q50 sub amp problem!
  152. Making a solid state safe to work on when you can't reach the caps
  153. Arcam Alpha 8 DEAD
  154. The qla amplifier
  155. transistor or fet Tone control circuit
  156. NAD C 300 AMP + Smoke = :(
  157. Which is Beter Quasi Or Non Quasi
  158. Another 555 question
  159. fake components identification site
  160. Integrated audio amps without feedback
  161. Ra4001
  162. Idea for a distortion analyser on a PC
  163. Zapco Z6000C2-SL
  164. Output stage.......
  165. Which discrete amp for a +/- 48v supply?
  166. Power Amplifier blew and took a speaker with it
  167. Any experiences bypassing UF4007 with .01uF cap?
  168. making a zobel output RL, options
  169. Hill Audio TSA-1202
  170. Where to find those MOSFET'S
  171. Meridian 501 Voltage switching
  172. swinging question ....
  173. volume level meter
  174. I Need AV1000 schematic and PCB please help
  175. Sugden A21 Series 3
  176. Pioneer Sx-1980 Help
  177. Classe Audio CA-400 & Obtuse Bias Procedure (scat included)
  178. Sony TA-S7 schematics needed...
  179. Restoring a Technics SU-V6
  180. CFP output variation
  181. Please help me fix my Phonic 2500 Pot?
  182. Invitation to Analists, Engineers, Experts, theoretical, Critics, Evaluators
  183. Pioneer Japanese Schematic
  184. Adcom GFA-1 Clicking relay
  185. What caps?
  186. Crate amplifier problem
  187. Is it possible to build a good amplifier out of junk parts?
  188. Thiele-Small reloaded with LTspiceIV
  189. low noise discrete opamps
  190. AVFB loudspeaker
  191. Signal Capacitors - Japan vs Thailand
  192. another NAD 304 whit the red light on...
  193. OPA627 at +/-5V in Sony CDP-508ESD
  194. Modifying a discrete opamp
  195. good power amp schematic
  196. Which sound card and software to use for distortion measurement
  197. Possible alt. source for 2SK170
  198. Crest CPX 2600 blowned
  199. 2SC5200 for Capacitance Multiplier
  200. BatchPCB - this looks cool and useful for DIY
  201. Multi zone setup with ATI 6012
  202. amplifier
  203. Power Amp Construction inspired by Curl, Slone and Pass
  204. Origins of the Baxandall Super Pair?
  205. Toshiba Power Mosfets 2SK3497/2SJ618 - A little testing
  206. ILP HY248 module sometimes with and sometimes without DC on output
  207. mcintosh 2505 recap question
  208. EU AMP Ecodesign Working Plan 2009-2011 - No way for new Class A - AB - H & Tube Amps
  209. Why the sound is diferent?
  210. Ridiculously low distortion from brain-dead CLASS-B circuit in simulation?
  211. Denon PMA-520 Blown Outputs Perhaps
  212. Feedback for DC bias correction
  213. Passive mixer with powered preamp?
  214. Musical Fidelity P150 owners take note!
  215. Amplifier using 2SC3856/2SA1492
  216. Carver M400 PSU Repair
  217. Dead MJL3281A
  218. hardman Kardon..... experts
  219. Vintage Pioneer SA-6200 sound problem coming from power amplifier assy!
  220. Amp circuit with 2SJ50 & 2SK135
  221. yamaha cr440 dead
  222. "Audio Refinement" Complete amp blown cap & transistor: Need advice
  223. ETC QB - 6360 Amplifier
  224. input stage transistor
  225. JLH 75 Watt amp - Does anyone have the original article?
  226. Sugden A25B
  227. Where can I find IRF540 & 9540?
  228. Would this work , plz comment .
  229. Headphone Amp Gerbers
  230. New complementary V-FET amp: Best from the past ?
  231. Son of Ampzilla problems
  232. Help, Adcom gfa 585 turn On & Off thump
  233. anyone built an amplifier Distortion measurement circuit
  234. Current Mirrors (simple one vs. improved wilson)
  235. Help needed for a dead Musical Fidelity E series amplifier
  236. Accurate measurement of jfet gm
  237. Perreaux SM6 Remote Control
  238. Amplifier board for powerpod 740
  239. troubleshooting a Yamaha CR-1000
  240. Overview of Brands and Models from first Solid State Audio Amplifier Components want.
  241. my little QUASI AMP
  242. Philips Motional Feedback (MFB)
  243. Rebuilt Quad 306 channel but now buzzes
  244. Rate/comment my power amp
  245. More cheap at same cost?
  246. Overview from world's best historical and currently available electr/audio Magazines
  247. crackling from my source selector.
  248. Get Better sound Out of Any Sunfire AMP
  249. Magnet Amplifier (new info)
  250. Wiring Question for my Buffer.

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