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  1. Smoking amp
  2. Cambridge Audio 840a Biasing
  3. Adcom GFA-5500 buzz (not its fault?)
  4. circuit Debug help on Technics SU-7100 amp
  5. A new amp - Which amp(s)
  6. Help please: Static from right channel GFA-555ii
  7. Help with Polk PSW111 powered subwoofer amp
  8. Re: Two Questions About MJ Power Amp
  9. Aragon 4004 MkII - replacement relay
  10. Heasinks 300 x 150 x 83mm anyone?
  11. 470uf feedback capacitor
  12. Denon PMA 1060 cuts out at quarter volume
  13. Carlsbro powerline 2000 possible modding?
  14. Still re capping a Kenwood KA 3500
  15. AB Systems 410 Power Amp Bias/repair help
  16. Bryston 4BST & 16 0hm speakers
  17. McIntosh MC2205 - intermittent clicking noise
  18. Reverse polarity question
  19. PA-7E right channel cut-off for seconds
  20. ROTEL 980BX protection light on...
  21. Pioneer SA-1050 Channel Noise
  22. Post examples of illuminated soft power buttons on your amp and which switch you used
  23. Bridge rectifier and power toroidal temperature question
  24. Hafler Transnova 9300: DC offset & power supply puzzle
  25. MJ21194 vs. MJ21196 Devices Basically The Same
  26. Speaker hiss with volume down (Sony TA-F540e)
  27. qsc usa900 vs soundstandard techno 2
  28. Burned r121 fuse resistor 10 ohm
  29. Where to order a high quality low cost SMT stencil?
  30. Pioneer SA-7800 loing for help
  31. Quasi NMOS200 PCB
  32. NAD fireworks
  33. low output at heating
  34. PCB design for Optimos version 4
  35. Recomondation for a hi-fi medium power amplifier DIY
  36. QUAD 405 and Rogers LS5/8 - problems !
  37. trace elliot GP12SMX upgrade
  38. Getting distortion from my NAD3020B (Preamp Section Left Channel)
  39. Marantz 4430 no sound
  40. SSM2142 Line Driver - Unbalanced to Balanced Question
  41. preamp with single ended output
  42. Quad 405 Mk1 replacement PCB's
  43. usb solution
  44. fake caps ! whats your opinion.?
  45. DC to sound
  46. 2sk1058 2sj168 Model
  47. Sansui A-80 Problem
  48. Hum from ESP project88
  49. Adcom 555 and leaky caps
  50. JBL 6230 Mods?
  51. 600W PA amplifier development
  52. ON Semiconductor to acquire Fairchild for USD 2.3E9
  53. Sony TA-AV650G
  54. Current Drawn by a Amplifier ??
  55. Denon DRA-25 Transformer
  56. which is the replacement of IRF540 in Rockford Fosgate amplifier 200dsm ?
  57. qsc mx1500 1 channel runs hot
  58. Wanted help: Simple balanced input PP amp
  59. Yamaha vintage receiver sound output issue? Thanks.
  60. purpose of a resistor in IRF amplifer.
  61. Replace IRF540 in IRFZ44N?
  62. How to protect this DC servo capacitor?
  63. Sherwood RX-2030R
  64. Cambridge Audio A500 Intermittent Problem
  65. The other way around (LTP)
  66. Resistors in Exposure amplifier
  67. QUAD 405 upgrade clone boards
  68. Sick McIntosh MC2300, No Left Channel
  69. Will increaseing coupling caps cause problems
  70. QUD 405 upgrade kits
  71. Job Active Pre preamplifier, reverse engineer schematic?
  72. eden wtx-260
  73. ina217 phantom hum noise?
  74. Transistor replacement query - 2SC1231A
  75. Safe to use twisted magnet wire to make power cables?
  76. REPLACEMENT DIODES for SANYO DS13
  77. This amplifier for PA use
  78. New Velleman Preamp with tone controls
  79. quad 50e speaker wiring
  80. speaker binding posts
  81. Adcom 5500 leak
  82. Adcom GFA-555 Stupid Me...
  83. My VSSA not performing as expected
  84. Luxman LV-103u Preamp board, help
  85. power supply caps !!!!
  86. Pioneer amplifier problem
  87. JLH1969 CHINESE
  88. Quad 405 new board ?
  89. What is the use of this output?
  90. BGW 410 turn on 'POP'
  91. Nmos 200 - noob questions
  92. sanken si-1050a project
  93. Luxman M120-A intermittent problem, assistance required
  94. What is the steepest realistic audio transient in terms of V/us?
  95. Hum in Integrated amp
  96. Help neede pd on PArasound HCA 2200 MKII
  97. Luxman lv103 repair, advice needed.
  98. Class A soft start delay temperature protection board (with switch function)
  99. Krell FPB-200 repair and recap
  100. Fisher CA-350 stuck in Stand By mode
  101. Parasound HCA-1000 problem
  102. Crown XLS-D circuit diagrams
  103. This concept , design high power amplifier
  104. Arcam Alpha 8R that sounds harsh
  105. Vintage Melcor 1731 Discrete OP Amp - Schematic? Info?
  106. Denon pma 737 no sound
  107. LC audio Patriot V100 soft start?
  108. Sansui B77
  109. Noob question; need opinion on an Ebay JLH 10W board
  110. How HiEnd Power Amplifiers clone sound
  111. How HiEnd clones sound
  112. Unbalance sharing in output mosfets
  113. AC coupled amp. Can we bring the output cap inside NFB?
  114. Denon PMA 2000 IVR Repair assistance required
  115. Class A PCBs
  116. Damaged Triac before Transformer by an Amplifier - why and what purpose?
  117. Driving OPS from single-ended node without coupling capacitors
  118. StageAct - Four components Preamp
  119. Some in-depth talk about my "Amp667" power amplifier
  120. Lost Beginner, help with amps?
  121. New 6+6 Watt mini amplifier zobel question
  122. Looking For Someone To Mod My Job 225
  123. Crate TX50DB Pots
  124. Low voltage regulator IC for 0V8 to 5V0
  125. Diy preamp for Amplifier IRFP240/IRFP9240
  126. NAD 3020i C602 C603
  127. whistling reduction
  128. rotel 1062 channel died
  129. Bridging an amp with balanced inputs
  130. Onkyo A-8870 don't sound...
  131. Sony str-de825
  132. Yamaha P2201 Rescued from the scrap heap
  133. Technics SU-V8 bias and dc offset adjustments
  134. ebay 450W amp
  135. Arcam DV88 'no disc' sometimes displays when inserting CDs
  136. Inter-M R600 schematic
  137. Nakamichi Sr-4a
  138. Akai AA1030 trouble shooting
  139. TDA 1562 amplifier problem
  140. Noisy Quad 33/303 system
  141. Marantz PM-80 silent! after phono RCA repair
  142. goldmund mimessis 27+clone
  143. a DIY matching a Bryston 7B SST
  144. Silent amp, request for help
  145. Class ab vs class a at low power
  146. Quick check - correct way of replacing balance pot with resistors?
  147. new old Denon pma 737
  148. RCA leads - what do you recommend as alternative for Chord Cobra 3
  149. Burmeister 933 MK2 clone
  150. John Linsey Hood 30watt amplifer build HELP PLEASE
  151. Adcom PCB connectors
  152. calculating components for a 1 transistor amplifier
  153. The NDH mosfet amplifier explained in detail.
  154. TEF With Negative Feedback
  155. Advice - problem on RME Fireface 800 soundcard ?
  156. Output stage resistor question
  157. Opamp virtual ground question
  158. Musical Fidelity XT100
  159. Cambridge Audio A500 Woes
  160. marantz sr73
  161. can you identify this capacitor ?
  162. Schematics or information on the old Adyton opera amplifer
  163. Yamaha A17 has got Jfet input? As A500
  164. cheap 2.1 amp option
  165. BF862 LTspice model?
  166. Single supply buffer for OPAMP stage?
  167. My First Power Amp Design
  168. Arcam Alpha 8 amp - buzzing/humming?
  169. Leak Stereo 70
  170. Hiraga 30W bias adjustment
  171. Did class A amplifier. Is this schematic good?
  172. Adcom 5300 troubleshoot
  173. What to do with it.
  174. The "Yoga" power amplifier
  175. Silver mica caps in Cyrus 2
  176. The AU-317 amp schematics - thoughts and any room for improvements
  177. Assitance needed with Technics SU-V4X
  178. Sony TA-70 schematic / manual?
  179. Citation XX offset
  180. High hFE 2N3055 amp?
  181. Blameless VFA with high ULGF and high open loop bandwidth
  182. B&K ST-2140 bias setting procedure?
  183. Faster bias stability Vbe transistor choice?
  184. Oscillating Muscial Fidelity X-A200
  185. Please can you help me?
  186. TI End of lifing many NS chips, including LME49990
  187. Preferred method for mounting PC boards in chassis?
  188. Transistor Noob Question
  189. Running Jfets at high voltage? Le Pacific preamp mods...
  190. Half Watt Common Emitter amplifier
  191. Dayton Audio SPA500 owners and thoughts
  192. 250 watt best design
  193. Drivers for 2SA1294/2SC3263
  194. The Amp1 system - no compromises
  195. Advice with Self Trimodal amplifier
  196. Troubleshoot plate amp?
  197. PCB for Musical Fidelity A1 amplifier
  198. Most transparent amplifier for studio monitoring
  199. Counterpoint SA20 schematic
  200. What is causing this noise?
  201. What sounds better than Hiraga?
  202. 2SA1455K/2SC3722K SMD vs 2SA970/2SC2240
  203. hobbyist Learning about Class AB amplifier , Please Guide
  204. Designing Class A amplifier with low output impedance
  205. Krell KSA-50 or DIY Aleph 0
  206. Ampzilla 2
  207. Stepped attenuators from China
  208. Hitachi hma-6590 (scheme)
  209. LEAK Delta 70 amplifier restoration
  210. Parasound JC-1 Help Please did I reverse two connectors?
  211. forte model 3 bias pot help
  212. Calling EE tinkerers (non audio)
  213. Popping when powered on -help?
  214. best sounding TO-220 darlingtons...
  215. Retro fitting modern amp boards in classic hifi?
  216. A high-voltage, but low-current amplifier for midranged and tweeters?
  217. Warm Sounding Class D Board
  218. Krell KST-100 BIAS
  219. Thanh Amplifier
  220. Some say that Deoxit can make things harsh
  221. Bob Cordell complementary input stage with N channel Jfets
  222. stability issues output triple and high freq extension ?
  223. Need help with a digital circuit
  224. Sansui AU D7
  225. Class A vs AB vs D
  226. distortion of jFET amplifiers
  227. Add more output stage transistors
  228. Fully symmetrical amplifier
  229. Fluke Precision Amplifier
  230. Cambridge Audio A500 volume issues
  231. Ground Bridge amplifier vs btl amplifier where the powerful one ?
  232. Dead PSU capacitor, but preamp works fine! How?
  233. Yamaha CR400 problem with Stereo on FM
  234. Receiver Onkyo TX-7430 no stereo! ?
  235. Supreme Sound OpAmp V5
  236. Mola Mola
  237. Help With Low Cost Amplifier
  238. Cyrus 8 vs2
  239. Yamaha CR-620 coupling value & balance control
  240. HP amp circuit just for interest
  241. Alesis RA-100 Oops - Need Help Please
  242. Looking for Schematic for Soundcraftsman Amp R-7502
  243. Creek 4140 S2 330ohm resistor getting HOT
  244. onkyo TX-SV535
  245. Interest in matched JFETs?
  246. 2SK194 dual Jfet for LTP input...
  247. Jfet input stage better in sound quality compared to a BJT input?
  248. AUDIOXPRESS april 2014 issue needed - has anyone?
  249. Lowest listening level
  250. Enough heatcompound on output transistors?

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