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  1. Can Feedback Servo Harm Your Amp?
  2. Adcom preamp repair -- advice needed
  3. Power Amplifiers Power Consumption
  4. KT841 and KT826 datasheet, help !!!
  5. Parallel output with/without matched devices
  6. German Translation Needed: Bias Setting for Denon PMA-520
  7. Adding Additional Outputs to An Existing Denon PMA-520 Integrated
  8. Old Guitar Preamp - First Stage - Please review for issues
  9. Take a picture of your Krell KAV-300i please?
  10. Power Amp PCB design, grounding
  11. Finished - SymAsym "AAK" with softstart
  12. how does a LEF (load effect free) amplifier work?
  13. Blaupunkt XP240+MA240 schematic/circuit plan
  14. Cooling/heatsink option
  15. big mosfet wire mixup...
  16. BUZ 901x4s 500w Mosfet - Has anyone ever used these - I am about to!
  17. Onix OA20 Repair Advice
  18. Help identifying caps in Pioneer SA-5300...Thanks
  19. Adcom 565 DED!!! Soft Start Board?
  20. Massive 2nd harmonic reduction, why does it happened?
  21. Anyone upgraded a 740A Cambridge Audio ?
  22. Revitalization suggestions for my 22 year old Ion mono amps
  23. Rotel RB 1080 Glue Problem
  24. preamps, ss versus tubes
  25. Capacitors
  26. Few question , plz help
  27. Does my Onix OA21 have Dual Primaries 120-230?
  28. CM LABS 914a original fuse rating?
  29. Help ! Need source for PS caps
  30. P170 Power Amp My First Post
  31. Fixing a Marantz SR8000 (fried input)
  32. Please Help ID this... Diode?
  33. Can someone help me find a rackmount case in the UK please?
  34. Rebuilding Soundcraftsman amp. Need advice, ID burnt resistor??? Pix attached...
  35. Link:some vintage japan machines
  36. Looking for Schematic for Soundcraftsman Amp MA-5002
  37. Logitech Z-5300: Amplifier has a bad satellite output
  38. Altec 9440A DC Offset Instability
  39. out put toroids for hard speaker loads
  40. build this or not ??
  41. 2sa1909 and 2sc5101 transistor amp schematic?
  42. output pnp quasi amp need?
  43. NAD372 query
  44. Building a Bass SS amp out of a old car subwoofer...need advice!
  45. ATS MC preamp review needed
  46. Looks like SRPP ?
  47. Spectral Power Amp/Preamp confrontation
  48. Sub-amp module or stereo power amp
  49. soundstream 604 gremlin help
  50. Darlington or Mosfet?
  51. Linsley Hood's all-mosfet power amp
  52. Questions about the humble follower
  53. QSC audio - floating supply amplifiers
  54. Leach Low-TIM amp with less power/lower voltage rails
  55. A&R CAMBRIDGE ARCAM ALPHA problems.
  56. Broken Sony TA-N330ES (2SC2921 Transistor)
  57. Creating center tap from two transformers
  58. solid state, unity gain preamp
  59. Home HiFi Audio Solid State Devices from Motorola - various pics; Model No wanted
  60. cambridge azur 740A
  61. how work this amp?
  62. Problematic receiver - Luxman R-1050
  63. Output capacitor: subjective and objective views?
  64. ss/chip amp hybrid?
  65. Brionvega "RR 126" Radiofonografo stereofonico from 1965 schematic wanted
  66. Sanken 2SA1216 2SC2922, Genuine and Fake pictures
  67. 500va transfomer 3 secondaries no centre tap
  68. Power amp circuit with PrAT wanted
  69. DC-DC Converter
  70. Any notice??
  71. McIntosh MA6100
  72. DC on output of Chinese 'current mode' ebay amplifier
  73. Power Amplifier from the German Brand "Daub"
  74. Best replacement transistors for this amp?
  75. Altec Lansing Solid State Amps 1590B, 1590E, 771B, 771BX and "SYSTEM CABINET"
  76. amplifier .... procedure
  77. PRIMARE A20 MK II no output
  78. Op-amp selectable gain +/- 1.0
  79. Need so help with an AMP question
  80. two articles by Mills & Hawksford from 1989
  81. Cambridge Azur 640A V1 Buzz
  82. ETI System A pre amp by Stan Curtis. Full article.
  83. Analog Devices -- some noise math videos
  84. Thick Film Hybrid (not monolithic) Integrated Circuit Amplifier - Overview
  85. N.Sano, T.Hayashi, H.Ogawa,"A high-efficiency class-A audio amplifier", AES preprint
  86. QUASI Amplifier for Beginners
  87. Replacing CJD capacitors with K40y-9
  88. sansui au-6900
  89. Transformer issues? Perreaux 2150B Pix, Schematic...
  90. designing TGM3 - output Triples
  91. SAE C3A Service Manual
  92. DH 220 lost a channel
  93. why high current amplifiers?
  94. DIY amp for active subwoofer?
  95. Vintage AMPS in Nigeria?
  96. One channel of my Parasound HCA1000A bit the dust
  97. SAE R-102 Need help
  98. Replacing Bias IC with Individual Transistors
  99. +/- 85 volts symmetrical power supply
  100. P68 ...upgrade ( ??? )
  101. Classic Aragon (2004, 2004 MK II, 4004, 4004 MK II ) problems, experience and repairs
  102. Optical Attenuator/switches... any one ever even seen these. Opto isolated FETs
  103. Carver HR 875 pre-out bass distortion
  104. Vishay/Siliconix vs. IR irfp150
  105. problem in transistor test
  106. Looking for recommendations on TO-220 package GSD (Hitachi) pin-out MOSFETs
  107. Sony receiver won't turn on - need help
  108. what is the best to build?
  109. Finished Nmos200
  110. PP buffer question
  111. which NAD older generation amps & integrated amps are bipolar or mosfet?
  112. QUAD 909 Stereo - How to Mono?
  113. Ultra low noise amp with JFET's - How to reduce the THD ??
  114. fisher ca2110 amp help
  115. Simple classA power amplifier
  116. Weird oscillation problem
  117. Welling HS-8 Powered subwoofer problem..
  118. Where to buy power amps kits here in the usa?
  119. Very Old Mk1 Audiolab 8000A DIN sockets
  120. OPS topology
  121. Rotel RA-960BX power conversion
  122. Can this work ?
  123. Transistor substitutes
  124. What type of integrated amp is this please.
  125. Rotel RMB- 100
  126. Rotel RMB- 100
  127. need advise in SAE C3A retrofit
  128. Sugestions needed on power amp schematics to fit these MOSFETs.
  129. Concept 16.5 Issues.
  130. Looking for Aragon IPS (or equivelent)
  131. repairing Event 20/20bas active speakers
  132. studiomaster clip fault
  133. protection circuit for amps
  134. PO3_150W_Power_amp
  135. Diode Clipper ?
  136. help required with img stageline sta 750 schematic
  137. Scalar Audio Power Amplifier
  138. Peavey Mace VT series
  139. inca tech claymore mk3
  140. Power J-fet + PNP buffer
  141. Low and distorted output after amplifier heats up
  142. Look for Amplifier tda2052
  143. Active crossover modification
  144. Restek Fantasy amp cap upgrade + opamps and Bursons!
  145. mosfet schematic
  146. Tuning the DX Blame amplifiers, for newbies...
  147. Substitute for 2SC3421/2SA1358 Drivers
  148. Nad 304 problem again..help me with r333
  149. Quad 909 buzz problem
  150. Help! Marantz SR-8500 that is clicking
  151. a Greek catastrophe
  152. Vintage Transistors
  153. Isolating power transformer from chassis
  154. variable resistor
  155. Quad 44
  156. Qsc mx 1500 120v
  157. rel q50 sub amp problem!
  158. Making a solid state safe to work on when you can't reach the caps
  159. Arcam Alpha 8 DEAD
  160. The qla amplifier
  161. transistor or fet Tone control circuit
  162. NAD C 300 AMP + Smoke = :(
  163. Which is Beter Quasi Or Non Quasi
  164. Another 555 question
  165. fake components identification site
  166. Integrated audio amps without feedback
  167. Ra4001
  168. Idea for a distortion analyser on a PC
  169. Zapco Z6000C2-SL
  170. Output stage.......
  171. Which discrete amp for a +/- 48v supply?
  172. Power Amplifier blew and took a speaker with it
  173. Any experiences bypassing UF4007 with .01uF cap?
  174. making a zobel output RL, options
  175. Hill Audio TSA-1202
  176. Where to find those MOSFET'S
  177. Meridian 501 Voltage switching
  178. swinging question ....
  179. volume level meter
  180. I Need AV1000 schematic and PCB please help
  181. Sugden A21 Series 3
  182. Pioneer Sx-1980 Help
  183. Classe Audio CA-400 & Obtuse Bias Procedure (scat included)
  184. Sony TA-S7 schematics needed...
  185. Restoring a Technics SU-V6
  186. CFP output variation
  187. Please help me fix my Phonic 2500 Pot?
  188. Invitation to Analists, Engineers, Experts, theoretical, Critics, Evaluators
  189. Pioneer Japanese Schematic
  190. Adcom GFA-1 Clicking relay
  191. What caps?
  192. Crate amplifier problem
  193. Is it possible to build a good amplifier out of junk parts?
  194. Thiele-Small reloaded with LTspiceIV
  195. low noise discrete opamps
  196. AVFB loudspeaker
  197. Signal Capacitors - Japan vs Thailand
  198. another NAD 304 whit the red light on...
  199. OPA627 at +/-5V in Sony CDP-508ESD
  200. Modifying a discrete opamp
  201. good power amp schematic
  202. Which sound card and software to use for distortion measurement
  203. Possible alt. source for 2SK170
  204. Crest CPX 2600 blowned
  205. 2SC5200 for Capacitance Multiplier
  206. BatchPCB - this looks cool and useful for DIY
  207. Multi zone setup with ATI 6012
  208. amplifier
  209. Power Amp Construction inspired by Curl, Slone and Pass
  210. Origins of the Baxandall Super Pair?
  211. Toshiba Power Mosfets 2SK3497/2SJ618 - A little testing
  212. ILP HY248 module sometimes with and sometimes without DC on output
  213. mcintosh 2505 recap question
  214. EU AMP Ecodesign Working Plan 2009-2011 - No way for new Class A - AB - H & Tube Amps
  215. Why the sound is diferent?
  216. Ridiculously low distortion from brain-dead CLASS-B circuit in simulation?
  217. Denon PMA-520 Blown Outputs Perhaps
  218. Feedback for DC bias correction
  219. Passive mixer with powered preamp?
  220. Musical Fidelity P150 owners take note!
  221. Amplifier using 2SC3856/2SA1492
  222. Carver M400 PSU Repair
  223. Dead MJL3281A
  224. hardman Kardon..... experts
  225. Vintage Pioneer SA-6200 sound problem coming from power amplifier assy!
  226. Amp circuit with 2SJ50 & 2SK135
  227. yamaha cr440 dead
  228. "Audio Refinement" Complete amp blown cap & transistor: Need advice
  229. ETC QB - 6360 Amplifier
  230. input stage transistor
  231. JLH 75 Watt amp - Does anyone have the original article?
  232. Sugden A25B
  233. Where can I find IRF540 & 9540?
  234. Would this work , plz comment .
  235. Headphone Amp Gerbers
  236. New complementary V-FET amp: Best from the past ?
  237. Son of Ampzilla problems
  238. Help, Adcom gfa 585 turn On & Off thump
  239. anyone built an amplifier Distortion measurement circuit
  240. Current Mirrors (simple one vs. improved wilson)
  241. Help needed for a dead Musical Fidelity E series amplifier
  242. Accurate measurement of jfet gm
  243. Perreaux SM6 Remote Control
  244. Amplifier board for powerpod 740
  245. troubleshooting a Yamaha CR-1000
  246. Overview of Brands and Models from first Solid State Audio Amplifier Components want.
  247. my little QUASI AMP
  248. Philips Motional Feedback (MFB)
  249. Rebuilt Quad 306 channel but now buzzes
  250. Rate/comment my power amp

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