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  1. Can you check this crossover repair job?
  2. Yamaha P2500S fault
  3. How to convert 120VDC to 12VDC?
  4. Discrete OPA627/687?
  5. Dx Optimus is being prepared... dynamic bias.. Class A to AB
  6. SSTART Preamplifier
  7. Comment on PCB and how to make it smaller
  8. Amp Stability techniques: Zobel et al.
  9. Dismante preamp
  10. Hafler DH-500 problems... ugh! DH500
  11. Fast Class A Amp
  12. Help replacing TL072CN op amps for TLE2072CP
  13. Leach Amp Clone 6 transistor version by Jens Rasmussen
  14. fuzzy left speaker
  15. A forum friend has sent me this Class A created in 1967
  16. matamp quasar 500
  17. Amp Cooling
  18. proton 930
  19. Luxman A-312
  20. Help (for a novice) Cambridge Audio A5
  21. krell ksa 300s right channel dead maybe transistor problem??
  22. Randy Slone's Optimos power amp demo Sydney Sunday Nov 9 2008
  23. RCF DCA1050 in Parallel Mono
  24. what to do whit this
  25. Ground side to OPAMP capacitor replacement?
  26. power supply help
  27. Marantz PM64II repairing
  28. Little opamp/darlington amplifier
  29. Rowland Research Amplifier Help!
  30. Troubleshooting 35V on speaker output
  31. Marantz SC-80 / SM-80 repair queries
  32. SONY TA 70, repair help needed
  33. please comment my pcb
  34. Crest CA9 spare input boards?
  35. Borbely interview released ...
  36. sansui qrx 6500
  37. service manual for MARANTZ SR 5300 NEEDED PLS HELP
  38. Citronic PPX 2400
  39. another schematic
  40. '70s Mark Levinson Op-amp
  41. Yamaha pc4002M inside pics and a meter problem
  42. Accidentally wired my amplifier wrong!
  43. National opamp inflation
  44. one channel has no bass?
  45. Son of Ampzilla meters not lit?
  46. looking for Yamaha YM3434 filters...
  47. Quad 405 hum
  48. Which DIY power amp clone for subwoofer?
  49. simple and interesting.possible ????
  50. How do you mount TO3 transistors?
  51. I have found a special amplifier, am trying to contact the designer
  52. Power consumption v. rms output
  53. Yes - another system ground question
  54. My Two-Stage RIAA Amp
  55. Strange Power Supply Behavior
  56. Marantz 1030 Service Manual / Recap Advice
  57. Does anyone have a Carver CT-3 pre-amp?
  58. SiGe transistors... who woulda thought?
  59. Opamp line preamp questions
  60. Sony STR-DE845
  61. please help with an oscillating amp
  62. how to edit part?
  63. FET Parameters - Matching
  64. Output stage device types. Yes or no question.
  65. Crown Com-Tech 210 Power Amplifier Crown Com-Tech 210
  66. DC300A opamp replacement
  67. altec lansing 1594C 100x2 amp?
  68. Can anyone help me ID this capacitor in crossover?
  69. Preamp Stage L, R, L+R
  70. Sub amp level matching
  71. Hafler 9180 DC Offset
  72. need replacement part opa445 opa551 opa552
  73. Carver AV405
  74. DH 101 Line stage/PS upgrade kit on Ebay
  75. which System
  76. Onkyo SR705
  77. .slb file (translated library file)...!
  78. p3a blowing 2sc5200 / 2sa1943 problem
  79. quick solid state amp question
  80. Musical Fidelity problem
  81. Repairing a DJ Mixer
  82. substitute for opamp
  83. NAD C352 service manual
  84. Stuart and Neil Build a KSA 50 (tweaked for 100 watts)
  85. Mf P270.2 input impedance?
  86. PS Audio 200C Power Amplifier
  87. so just how good are you guys?
  88. Yamaha RX-V1 Volume Control Issue
  89. Transistors Substitute
  90. Amplifier DC Offset - How Much is OK?
  91. static shocker maybe?
  92. Closer to reality, less "pleasant"?
  93. Yamaha P2100 schematic?
  94. Bridge Mono a stereo amplifier with balanced outputs
  95. input stage and VAS testing
  96. Powered OPA amplifier
  97. My Son of Ampzilla
  98. Phonic powerpod K16
  99. Ground loops, speaker hum and buz
  100. fidek fa1502 amplifier
  101. thanking you
  102. Case - List of suppliers
  103. Got 2x65VAC PS, any idea on DIY amplifier module?
  104. Opto Power Amplifier - 100% NPN
  105. Quad 44
  106. Bedini 250W ?
  107. loudnes control
  108. Simple amp from used parts
  109. quasar amplifier by dr bora 1000 watt
  110. Hafler DH200 Power Upgrade?
  111. Onkyo SR705 NEWB Needs Help
  112. Noob alert! Adcom 565 Q's
  113. Marantz PM 66SE KI Signature - volume control fault
  114. Question about power amp built in high pass filter
  115. yamaha rx-v870
  116. possible leach problem??
  117. Quad 33 Please Help me !!!
  118. Ayre's KX-R reviewed in November 08 Stereophile
  119. buffer
  120. Yamaha AX700
  121. 24V Tube IRF610 MOSFET Hybrid HPA
  122. Marantz PM 440 and PM 351 Schematic required
  123. quad 33
  124. The Royal Mail, Burbec, and the tale of the lost board.
  125. Newclassd Gold Series
  126. Crest Audio 4801 PSU Capacitors
  127. LU1014D Power JFET DISCONTINUED
  128. Dead AV receiver TEAC AG-V3020
  129. Quad 405-1 Avondale
  130. Mosfet problems
  131. JFET CS design, how? (and possible SPICE oddity)
  132. Matched 2SK1530/2SJ201
  133. solid state
  134. Hafler P-230 recondition
  135. Balanced audio distribution amplifier
  136. Yamaha EMX3500 repair - help needed
  137. New Member and Biema Q400 question
  138. Class A design question
  139. parallel complementary stage
  140. Beginner Project needed...
  141. Looking into building a compressor
  142. Fixing Amp - No Ideas
  143. Troubleshooting NAD C350
  144. Sumo Andromeda mods
  145. Preamp hum - any idea to minimize it? (Schematics added)
  146. Please help with NAD 1020 Pre-amp
  147. weird problem
  148. Increasing input Z on Leach amp
  149. Sugden A28 II schématic ?
  150. tl072cn replaced by opa2134
  151. Need some help deciding!
  152. Musical Fidelity A5
  153. Eagle PCB
  154. My version of a Slone preamp
  155. Technics SU-V570 schematic ?
  156. AD797, how to make the best of it
  157. schematic software
  158. Hafler DH200 DC Offset
  159. Helps/opinions needed before renewing my old Mini Crescendo amp
  160. Power Amp Design
  161. car amp voltage
  162. Quad 33 Please help!!!
  163. Gfa 555
  164. HK 330B Question
  165. Want To Convert My Washburn Bad Dog To 9v Power
  166. parasound halo a52 voltage
  167. DIT amp schematics ADCOM GFA585 rebuild?
  168. Aerovox vs Blackgate
  169. panasonic am capacitors
  170. How is the Quad 303 compared to 405-2 ?
  171. need echo circuit schematic does not have an ic in it
  172. Kenwood KAC 848 rail voltage fluctuating
  173. Lab.gruppen SS1300
  174. Schematics for Yamaha H7000 amplifier
  175. Solid Bb604 Amp
  176. Perfect sound search, this idea, HELP!, the long and insane search...
  177. J270 (P JFET) anyone?
  178. opinions on which plate amp
  179. Ev 7300a
  180. ML2 Overhaul Questions
  181. SKA GB150 or NxV200
  182. You PC amplifier can be modified to produce better sound
  183. How do the pinouts on Exicon mosfets work?
  184. OPA827 available
  185. Transistor testing question
  186. So Sick of SEARCHING, help me find a good +/- 24v regulator PLEASE!
  187. Blown Power Supply KSA 200s
  188. qsc RMX850 potmeter replacement
  189. HRII revisiting, have you experienced problems folks?
  190. Phonic Powerpod 740 schem
  191. Power amp schematic
  192. Yamaha C-80 preamp problem
  193. Building a +/- 24v Regulated PSU?
  194. help! pioneer a-400 thump
  195. Null Meter...build one?
  196. DSE A2760 Amplifier (aka Koda-261)
  197. What parts in input board of Adcom 555 II
  198. TL071 and TL072 upgrades
  199. What you always wanted to know on layouts...and now....you do!
  200. u/a capacitors
  201. NAD power lamps inside the enclosure
  202. Discrete I/V converter
  203. Adcom GFA-565 Driver Board Cancer
  204. Vintage Receiver Issues
  205. Help - replacement lamp for Yamaha M-50
  206. NAD 2150/3150 Schematic + advice
  207. Push Pull or Balanced?
  208. Gain and sensitivity question....
  209. Counterfeit 2SC5171 ?
  210. VFETs replacement, Sony TA-5650
  211. Tinned copper braid.
  212. Improved Diamond Buffer Design
  213. When Volume up - left channel sound prob ?
  214. bose 1801 repairs
  215. superscope, unfamiliar component
  216. Distribution Amp - How to switch off buffers independently?
  217. DIY amp to replace Rotel RB1090? LF100?
  218. Rotel RA840B Schematic
  219. K10amkii
  220. Service manual Request STR-DG720
  221. SR-92 sound problems
  222. yamaha pc2002m
  223. Faulty Audiolab 8000P
  224. Another jfet buffer
  225. Use board trace as a low value "resistor"
  226. schematic for yamaha pc2002m
  227. Suggestions for a diy amp.
  228. "ERROR -- Invalid Value"
  229. CAudio RA3001
  230. Audiolab 8000A fault
  231. Voxson H 305 schematics
  232. Blown capacitor question
  233. New to bi-amping
  234. Pioneer A-676 Service Manual needed
  235. Classe DR-25 transistors
  236. 5.1 Stereo Computer Amp
  237. Max safe operating temperature for transistors inside modified factory amplifier
  238. What to do with class A amplifiers to avoid some mufled treble
  239. RMI-FC100 MKII, single ended folded cascode VAS
  240. Patchwork Reloaded: Circuit Optimization and Board Layout.
  241. HT High Current Voltage Regulator
  242. about the bridging topology
  243. 10 000 watts from Sweden - Labgruppen
  244. Very different hybrid... opinions?
  245. Mod tips wanted:Denon Power Amp
  246. Building my system and wondering...
  247. Llano CAS 300
  248. zAh-ng amplifier, my amplifier..
  249. sherwood ax-7r
  250. NMOS Amplifier

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