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  1. Quad 909 buzz problem
  2. Help! Marantz SR-8500 that is clicking
  3. a Greek catastrophe
  4. Vintage Transistors
  5. Isolating power transformer from chassis
  6. variable resistor
  7. Quad 44
  8. Qsc mx 1500 120v
  9. rel q50 sub amp problem!
  10. Making a solid state safe to work on when you can't reach the caps
  11. Arcam Alpha 8 DEAD
  12. The qla amplifier
  13. transistor or fet Tone control circuit
  14. NAD C 300 AMP + Smoke = :(
  15. Which is Beter Quasi Or Non Quasi
  16. Another 555 question
  17. fake components identification site
  18. Integrated audio amps without feedback
  19. Ra4001
  20. Idea for a distortion analyser on a PC
  21. Zapco Z6000C2-SL
  22. Output stage.......
  23. Which discrete amp for a +/- 48v supply?
  24. Power Amplifier blew and took a speaker with it
  25. Any experiences bypassing UF4007 with .01uF cap?
  26. making a zobel output RL, options
  27. Hill Audio TSA-1202
  28. Where to find those MOSFET'S
  29. Meridian 501 Voltage switching
  30. swinging question ....
  31. volume level meter
  32. I Need AV1000 schematic and PCB please help
  33. Sugden A21 Series 3
  34. Pioneer Sx-1980 Help
  35. Classe Audio CA-400 & Obtuse Bias Procedure (scat included)
  36. Sony TA-S7 schematics needed...
  37. Restoring a Technics SU-V6
  38. CFP output variation
  39. Please help me fix my Phonic 2500 Pot?
  40. Invitation to Analists, Engineers, Experts, theoretical, Critics, Evaluators
  41. Pioneer Japanese Schematic
  42. Adcom GFA-1 Clicking relay
  43. What caps?
  44. Crate amplifier problem
  45. Is it possible to build a good amplifier out of junk parts?
  46. Thiele-Small reloaded with LTspiceIV
  47. low noise discrete opamps
  48. AVFB loudspeaker
  49. Signal Capacitors - Japan vs Thailand
  50. another NAD 304 whit the red light on...
  51. OPA627 at +/-5V in Sony CDP-508ESD
  52. Modifying a discrete opamp
  53. good power amp schematic
  54. Which sound card and software to use for distortion measurement
  55. Possible alt. source for 2SK170
  56. Crest CPX 2600 blowned
  57. 2SC5200 for Capacitance Multiplier
  58. BatchPCB - this looks cool and useful for DIY
  59. Multi zone setup with ATI 6012
  60. amplifier
  61. Power Amp Construction inspired by Curl, Slone and Pass
  62. Origins of the Baxandall Super Pair?
  63. Toshiba Power Mosfets 2SK3497/2SJ618 - A little testing
  64. ILP HY248 module sometimes with and sometimes without DC on output
  65. mcintosh 2505 recap question
  66. EU AMP Ecodesign Working Plan 2009-2011 - No way for new Class A - AB - H & Tube Amps
  67. Why the sound is diferent?
  68. Ridiculously low distortion from brain-dead CLASS-B circuit in simulation?
  69. Denon PMA-520 Blown Outputs Perhaps
  70. Feedback for DC bias correction
  71. Passive mixer with powered preamp?
  72. Musical Fidelity P150 owners take note!
  73. Amplifier using 2SC3856/2SA1492
  74. Carver M400 PSU Repair
  75. Dead MJL3281A
  76. hardman Kardon..... experts
  77. Vintage Pioneer SA-6200 sound problem coming from power amplifier assy!
  78. Amp circuit with 2SJ50 & 2SK135
  79. yamaha cr440 dead
  80. "Audio Refinement" Complete amp blown cap & transistor: Need advice
  81. ETC QB - 6360 Amplifier
  82. input stage transistor
  83. JLH 75 Watt amp - Does anyone have the original article?
  84. Sugden A25B
  85. Where can I find IRF540 & 9540?
  86. Would this work , plz comment .
  87. Headphone Amp Gerbers
  88. New complementary V-FET amp: Best from the past ?
  89. Son of Ampzilla problems
  90. Help, Adcom gfa 585 turn On & Off thump
  91. anyone built an amplifier Distortion measurement circuit
  92. Current Mirrors (simple one vs. improved wilson)
  93. Help needed for a dead Musical Fidelity E series amplifier
  94. Accurate measurement of jfet gm
  95. Perreaux SM6 Remote Control
  96. Amplifier board for powerpod 740
  97. troubleshooting a Yamaha CR-1000
  98. Overview of Brands and Models from first Solid State Audio Amplifier Components want.
  99. my little QUASI AMP
  100. Philips Motional Feedback (MFB)
  101. Rebuilt Quad 306 channel but now buzzes
  102. Rate/comment my power amp
  103. More cheap at same cost?
  104. Overview from world's best historical and currently available electr/audio Magazines
  105. crackling from my source selector.
  106. Get Better sound Out of Any Sunfire AMP
  107. Magnet Amplifier (new info)
  108. Wiring Question for my Buffer.
  109. low pass filter and volume control pot
  110. Help inditify a capacitor type
  111. Possible 6400 hybrid project.
  112. C Audio Pulse TX4 transformer
  113. TIP127 Replacement suggestions?
  114. Simple 60dB discrete low noise amplifier (lna)
  115. Remote Control Problem
  116. Powerpod 740 plus schematic
  117. Concert set ups.
  118. Audiolab 8000a Transformer
  119. Pioneer SX 828
  120. Technics SE-9600 Stereo Power Amp
  121. Can i use these speakers with my amp
  122. Carlsbro - schematics? Marlin 1042?
  123. Servo-Sound made in Belgium
  124. Filters For Low-Noise Measurement Preamplifier
  125. adcom 5800 low power output need hel
  126. Shorted capacitor terminals on a board?
  127. Help! Adcom GFA 585 DC High offset problem
  128. Transistor replacements needed
  129. AUDIO RESEARCH SP-6A schematic
  130. Insulation between case and RCA jacks
  131. Combine amplifiers for balanced operation
  132. ppi pc4100 help
  133. Upgrading Sub Amplifier
  134. Electrocompaniet or Anthem?
  135. Help to find new mosfet thread please...
  136. Cambridge A1 mk2 Pre Amp Power
  137. Cambridge A1 (mk2) Line-Amp Stage Power Suppy
  138. Setting idle Rotel RA-870BX or Service Manual
  139. Anyone remember or have details "Practical Wireless Europa" integrated amplifier.
  140. Mitsubishi DA-A15 Schematic or Service Manual needed
  141. Potentiometers
  142. Looking for a datasheet (STK2048-II)
  143. How to "beautify" (soundwise, of course) this old Pioneer amp?
  144. Carver Vs. Adcom
  145. Crown XLS 402 D service manual needed...
  146. Crown XLS 602 service manual
  147. Japanese part numbering
  148. Very unusual old quasi complementary design... which sounded great at the time.
  149. Mackie SRM450 transformer
  150. I guess diy wasn't for me.
  151. I build my JLH amplifier...
  152. Krell KSA-300S Chassis Restoration
  153. Help debugging this circuit
  154. assessing the linearity of an output stage
  155. Rotel RA810 Amp
  156. Nakamichi 730 Receiver
  157. How can I build the cheapest amp?
  158. help ! l need nikko NR- 615 Schematic
  159. Brown audio Canada
  160. Harmon Kardon 930 receiver weak left channel
  161. Musical Fidelity preamp channel down on phono input
  162. My mic preamp doesn't work
  163. Schematics for c-audio sr606 and c-audio sr707
  164. What was the first Complementary AB bipolar amplifiers?
  165. Rotel RA-1060 fuse blowing
  166. Intresting design problem - 20Mhz 200v PkPk 200x gain
  167. Nakamichi SR-2A Repair Problems
  168. my best Hybrid 6922 and OPA541
  169. HEEEELLLPPP : M. Randy Slone Mirror Image Topology Construction - Troubles
  170. Best drivers for BJT output stages
  171. 2sk1058 availability?
  172. LEGEND sTAGE MK2 IN MAKING............
  173. Anthem Amp 2 debugging help
  174. Residual Current Limiter for 70V and 100V audio line Amplifier.
  175. Mark Levinson 431 schematics needed
  176. Bryston 4B power transformer replacement question
  177. Has anyone implemented a Pass style power amp with bipolars?
  178. Class-AB meets Class-D: Yamaha's EEEngine Topology - where are this Diy Projects?
  179. Gain/bandwidth - pre amp
  180. Combo MOSFET 50W500W
  181. Single Jfet amp How to calc gain?
  182. Where to buy an Avel-Lindberg D4007?
  183. glass passivated plastic rectifiers
  184. Dx Troyan, a 650 watts channel amplifier.
  185. Ask about CCS: add capacitor?
  186. power amplifier OCL 180W MOSFET J50 and K135 diagram
  187. Marantz Pm-40 SE
  188. 35 years old and still going strong
  189. Can Anyone Identify This Component in Meridian 103/5 Power Amps Please?
  190. Transformers for Germanium transistors
  191. meridians need new filter caps...
  192. Marantz 170DC static noise (both channels)
  193. Bridged mode for C-Audio RA 3001
  194. Sony TA-1055 Volume controller
  195. 7800W at 2ohm. Is this schematic going to work? what do you think.
  196. Low power discrete designs?
  197. Anyone here in Eastern NC that is good at repairing amps & will teach?
  198. OPA637 - BUF634 power supply?
  199. PLS HELP! Strange Mcintosh MC431M problem
  200. New Threshold Audio
  201. Sansui AU888 make over....
  202. About This "Simple Machine"
  203. Quad 303 problem
  204. Ad8307
  205. My 100 watt amp
  206. Rate and comment my poweramp design
  207. About two Output Stage
  208. Luxman LV-117 - 128v ripple
  209. Symasym 5.3
  210. Edwin 20 watt (Elektor 1970 - May)
  211. Accuphase C-270 Schematic
  212. Accuphase C-270 - Cleanup and Capacitor Ident
  213. Help !! ELECTROCOMPANIET EC-1 preamp
  214. one question more.
  215. Grounding options with multiple cap's
  216. Krell KRS-2 DC Offset pots
  217. That curious extra knob, or: "Trans-Amp"
  218. Emergency! Please help me choose 2SA1216/2SC2922 or 2SA1295/ 2SC3264 transistor
  219. Dx Blame ST, operating from 18 to 24 Volts (unloaded) - Class A
  220. BF469 to BF472 - a friendly warning
  221. Best audio power MOSFET
  222. Randy Slone Passes
  223. Power OTA with NMOS
  224. JVC Amplifier AX-R97
  225. Lateral Mosfet amp with DC offset >100mv
  226. Help! party this weekend and no sounds
  227. Amplifier with 220 input voltage, will it work in US?
  228. New amp question
  229. Rotel RB-870BX need help
  230. JBL 518S amplified subwoofer system
  231. Servisol Super 10 Switch & Contact Cleaner
  232. Simple Bipolar Power Amplifier - Non Feedback and Production Ready....
  233. Best amplifier in the world!
  234. Bedini 100/100 Hum in one channel.
  235. Please some on verify Adcom GFA 585 Input board caps(c165, c164)?
  236. New Doug Self book...
  237. LTspiceIV librairies management
  238. understanding amplifiers
  239. Pioneer SX-1050 intermittent sound cut out
  240. Infinity BU-1 sub low volume after repair
  241. Hafler DH-500, Problems of thermal sensors..
  242. Benjamin AES paper in 1992, the I-V locus issue
  243. NEC and Renesus merged
  244. gk 800rb probs
  245. Diff(erent) input stages, simple is not better
  246. Luxman r-1035
  247. Cambridge A3i
  248. Found useful active filter tool
  249. tone control in feedback loop
  250. Power transitor question

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