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  1. High DC offset on DH-220
  2. Real substitute for P80NF55?
  3. Substitute for BF862
  4. TDA7294 Bi-amp DIY
  5. Elektor 1976 article wanted
  6. L20 AMP。use only two NJW0302G
  7. what tx needed
  8. capacitor before bridge rectifier
  9. Improvement of Darlington-Output Stage in Hiraga Monster or 20 W
  10. 500v/uS slewrate, really?
  11. PAT-4 Bass Control
  12. 2SK170 Equivalent
  13. What's your thoughts about this "star grounding" design?
  14. Transformer as Voltage Amplifier
  15. Slow failure of NAD 7225PE. Suggestions?
  16. Symasym and RF noise (?)... Ehm... Need help...
  17. Rewiring Protection Relay
  18. Help with Technics SU-Z45!
  19. is Technics SU-V50 worth repairing...
  20. Audire ... Oh Dear !!
  21. Krell KSA-50 Clone Output transistors
  22. This novice needs help with Voltage divider
  23. Does Potentiometer affect cutoff frequency
  24. Matching MOSFET transconductance
  25. marantz pm 7200 left channel distortion
  26. Onkyo TX-SR501 riddle - no sound but it works in every other sense...
  27. powering up amp and pre-amp
  28. simple softstart
  29. Level pots and degrees of attentuation
  30. Beomaster 4000 fixing help + ideas please!
  31. Carver M-500T Bias adjust question
  32. Magic in "flat earth" amplifiers (Naim, Exposure)
  33. Quasi Nmos200 blowing fuses, and FETS's...
  34. Equivalent transistors
  35. I love jfet input
  36. superconductivity and audio ideas Ė letís brainstorm
  37. Circuit of Musical Fidelity A1, Any one has experiences?
  38. PCB for this Loudness circuit - Help!
  39. Scored a Crown Powerbase II
  40. a breakdown of the component part function for a tda7384 amp ic circuit?
  41. NAD C350 Amplifier - Faint Channel
  42. Bridging twin amps
  43. 500W RMS PA Amplifier
  44. KSA-50S Krell
  45. Problems with Onkyo Integra A-8067
  46. High power subwoofer amplifier
  47. what's your thought of using almumium PCB in audio amp?
  48. Marantz 2215b power transformer.
  49. Another diagnosis question?
  50. OK, had a new look on the net for...
  51. Jfet input, Lateral output 2nd version
  52. Another Crown 602
  53. Amplifier making pop sound
  54. Yamaha Integrated AX-380: Anyone know the manufacture year?
  55. Determining Phase and Gain Margins in LTSpice
  56. Replacement for 2N3773
  57. Another op amp based amplifier.
  58. Semisouth SJDP120R085 JFET - who's interested?
  59. Behringer Cx2310 modification question
  60. Simple method to do quad match
  61. Simple method to do quad match
  62. European Transistor's replacement.
  63. 2SK99,100,101
  64. All 3 amps blew there fuses. what now?
  65. Low power amplifier P8W4R- detail clear sound
  66. Need help replacing caps. Totally new to this
  67. Cyrus 2 with no sound?
  68. JL m2150
  69. Own Nad 302 and have doubts for replaced stereo amp...
  70. limiter connections
  71. DIY Heatsink
  72. Changing Capacitors - Adcom GFP-565 PreAmp, Which Ones?
  73. Audiosource AMPSUB210 Help Please
  74. f4r q8
  75. Mark levinson No.26S preamp Schematic
  76. Complementary JFET-JFET cascode input, BJT VAS-Drivers, Lateral Output
  77. What results in good transient response?
  78. Analog switching
  79. Adcom GFA 545 DC offset
  80. Bootstrap electrolytic capacitor C5 with TDA7293
  81. Thermal compensation for BJT drivers with Lateral FET output
  82. Quatre DLH100
  83. New Patent Laws
  84. Mark Levinson No 27 -schematic requites
  85. Krell ksa 100 ksa100 mkII mk II ksa50 50 GERBER gerbers pcb files project
  86. New Tri-Amp system.
  87. SYMEF amplifier
  88. Need K129A sub. Dual FET Diff's for Sansui TA-500 Receiver
  89. Please recommend a kit amp
  90. Anyone here own a Rel Sorm III sub?
  91. Samick K-9250 problem & search
  92. 400 watts amp advice
  93. Marantz MA-24...the quad was received last nite.
  94. Carlsbro Cobra Lead 90
  95. Replacement output transisitors
  96. Mechanical noise in amplifier circuit
  97. mus fid preamp 3 or 8
  98. Dan d'Agostino MOMENTUM: Sonic Character like pure ClassA/SE despite low Idle Power ?
  99. Multiple components. Best ground design?
  100. Question on a Simple Lateral MosFet Amp
  101. TDA1034N vs. NE5534A from various Manufacturers
  102. Genesis Technologies II speakers - servo-amp schematics ?
  103. Low distortion current input VAS
  104. What have I done?
  105. Upgrading a Creek CAS4040s1
  106. Pioneer SX-3800 Power Supply Help
  107. Need CAP Replacement Help on Technics SA-300
  108. Project with TDA1553q
  109. Repairing Quad 306 and not cleaning solder flux
  110. mods for audiolab 8ooos audiolab 8000px
  111. Looks like a city
  112. Symasym 5.3 PCB
  113. Schematic for old PS Model Two amp
  114. ~ 50 WPC Class A Kit for existing Trafos?
  115. Unknown Amplifier.
  116. Amp design for subwoofer and wideband duty
  117. mini amp
  118. Krell KSA-100S System soft-start resistor
  119. Yamaha CS-70R Schematic
  120. Peavey PMA-200 amp loud buzz and DC on outputs
  121. adaptive output impedance?
  122. Can a power line fault have this much effect?
  123. New Amplifier Technology
  124. role of cap in neg f.b. loop?
  125. Ess Transar current source amp?
  126. Technics Amplifier Overload problem
  127. SOT-227 water block?
  128. Summing two amplifier outputs with just a resistor
  129. Purpose of Capacitors Around Output MOSFET's??
  130. Anyone got "Current dumping review" by Michael McLoughlin?
  131. Krell KSA-100S capacitor Help
  132. RCA SK Series
  133. Latest project USB controlled mixer with digital pots.
  134. Edcor OPTs for Class A ss amps
  135. Sony amp feedback
  136. What am i doing wrong, why wont my JLH operate in class A / get warm?
  137. Crown XLS 602
  138. Newer = Better?
  139. Adcom GFP-565 - Just in Case......
  140. LM4562 opamp crackling when trying to drive headphones.
  141. The mu-amp revisited
  142. Small earth hum, what could be a possible cause?
  143. Emotiva XPA-3
  144. Help for PCB for PWM controler
  145. SMPS for Class A amp?
  146. AF filter using opamps - substitution of opamps
  147. Amplifier for driver... what class?
  148. schematic of Phonic PWA 2200 power amp?
  149. Another... Which amp should I build?
  150. Pop to speakers when power strip is shut off
  151. DC Filter against humming Toroidals - Summary of the most interesting Comments
  152. Indirect feedback with FETs
  153. Help with JFET buffer!
  154. Simple BUF634 buffer schematic?
  155. PSS audio Essence 308 Amp.
  156. Arcam Alpha 3
  157. Audiolab 8000P Power Amp
  158. Custom Transistors
  159. Is Tony Brady still here - looking for Onix Info
  160. Look what I just bought--FOUR Marantz MA-24s.
  161. Shunt Regulated JLH
  162. Hi-Fidelity PA Amp out there?
  163. Symasym done differently, clean Hi Fi amplifier P12W4R
  164. a musical universal solution
  165. sony ta-f444es tweeks
  166. Cleaning dust from old amp - advice please.
  167. The missing piece, any ideas?
  168. behringer powered speaker
  169. Powered speaker: Sound decays in 2 seconds
  170. input of stomp boxes
  171. 100watt MOSFET Power Amplifier
  172. LJM-L10 supply question
  173. SANSUI 2301
  174. LSK389, LSK170, LSK174
  175. What's your thought about used components?
  176. Help modifying a 2-way amp
  177. mixed (lateral + vertical) MOSFET paralelling
  178. Altec 9440A - cloning best solid state amp ever
  179. Adcom GFA-555 Leaky Power Caps?
  180. Definitives
  181. McIntosh MA7000 overhiting
  182. Nikko Beta 20 preamp
  183. jFET amp with current NFB
  184. Dual-jFET 2SK146 and two single jFETs 2SK147 in parallel Operation in Luxman's L550
  185. pre/amp . compat or not
  186. Need A5 Schematic
  187. diy short circuit protection
  188. Repairing a Rega Elex Integrated Amplifier
  189. Seeking NOS 2SK162
  190. Class A Kits
  191. LM317 for output stage
  192. A simple quasi-complementary 50 watts amp
  193. Leach Capacitor Upgrade
  194. Bored....what to do with all these old parts in the junk box?!
  195. Amp to power 1x15", 4x5" & 2xTweeter
  196. Quad 405 cheap kits on ebay
  197. Best source or replacement for KTA1700/KTC2800 transistors?
  198. tranformer noise
  199. Can anyone ID this rather unhealthy noise coming from my amp?
  200. JBL 6290 amplifier mods on Pcb
  201. Learning Repair Need Help With Sub Amp
  202. Cause of dc thump at turn on
  203. NAD 3020A transistors heating up.
  204. 2SA1024/2SC3206 substitution sugestion
  205. No - feedback amplifier
  206. Technics SU-V7
  207. Denon PMA-860 schematic/service manual
  208. ultra low noise low distortion preamplifier needed
  209. Easiest/Economical way to build multichannel Class A/B amp? Suggestions Welcome
  210. build a simple yet effective volume control (attenuation) of analog ?
  211. Krill output stage + tube preamp
  212. Elkatone Amp with problems
  213. No Power on High Side Bias Com-Tech 400
  214. Old amp, power out and fault?
  215. NAD 3020A Muting circuit??
  216. Wanted: Behringer Europower EP2500 Schematics
  217. Circuit or project for an active filter for subwoofer
  218. why isnt my amp doing what its supposed to.
  219. Yamaha PD2500
  220. audiolab 8000
  221. Improved 2W current sources (II)
  222. Bridge amp with LM833 and BD139/BD140 problems - please help.
  223. Linn LK85 (LK-85) and LK140 (LK-140) schematic needed
  224. Microphone wiretapping, for further distance
  225. Where do I plug this into!? Help! ?Heat Sink?
  226. LME 49810 with NMOS output stage 1000W @ 4 OHM
  227. Solid state tutorial
  228. Amplifier burning resistor.
  229. Pioneer SA7300 amp
  230. Massive High Power Solid State Integrated Amplifiers - Overview wanted
  231. Replace a '80 Class A stereo with a Class T/D
  232. PS Audio Delta 100
  233. Output transistor suggestions for McIntosh MC2105
  234. Easy to do audio Hi Fi amplifier P16W2R
  235. NORTON KP600
  236. How to reduce the gain of the symasym 5_3?
  237. TGM5 - all-BJT Simple Symmetric Amplifier
  238. Why 3 dB?
  239. Dirty connections in Technics su-v7
  240. Super clean audio amplifier P8W4R
  241. "The Wire AMP" Class A/AB Power Amplifier based on the LME49830 with Lateral Mosfets
  242. Improving clipping
  243. Parallel Lateral FETs
  244. Need chassis case for new amp!!!
  245. Hartke Series 2000 Bass amplifier. Schematic request
  246. Alluminium chassis where I can buy it
  247. Self load invariant supply voltage
  248. JVC A-K300B stereo receiver
  249. P.L. Taylor "Audio power amplifier" 1973 anyone have article?
  250. Lateral FET current limiting

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