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  1. what to do whit this
  2. Ground side to OPAMP capacitor replacement?
  3. power supply help
  4. Marantz PM64II repairing
  5. Little opamp/darlington amplifier
  6. Rowland Research Amplifier Help!
  7. Marantz SC-80 / SM-80 repair queries
  8. Troubleshooting 35V on speaker output
  9. SONY TA 70, repair help needed
  10. please comment my pcb
  11. Crest CA9 spare input boards?
  12. Borbely interview released ...
  13. sansui qrx 6500
  14. service manual for MARANTZ SR 5300 NEEDED PLS HELP
  15. Citronic PPX 2400
  16. another schematic
  17. '70s Mark Levinson Op-amp
  18. Yamaha pc4002M inside pics and a meter problem
  19. Accidentally wired my amplifier wrong!
  20. National opamp inflation
  21. one channel has no bass?
  22. Son of Ampzilla meters not lit?
  23. looking for Yamaha YM3434 filters...
  24. Quad 405 hum
  25. Which DIY power amp clone for subwoofer?
  26. simple and interesting.possible ????
  27. How do you mount TO3 transistors?
  28. I have found a special amplifier, am trying to contact the designer
  29. Power consumption v. rms output
  30. Yes - another system ground question
  31. My Two-Stage RIAA Amp
  32. Strange Power Supply Behavior
  33. Marantz 1030 Service Manual / Recap Advice
  34. Does anyone have a Carver CT-3 pre-amp?
  35. SiGe transistors... who woulda thought?
  36. Opamp line preamp questions
  37. Sony STR-DE845
  38. please help with an oscillating amp
  39. how to edit part?
  40. FET Parameters - Matching
  41. Output stage device types. Yes or no question.
  42. Crown Com-Tech 210 Power Amplifier Crown Com-Tech 210
  43. DC300A opamp replacement
  44. altec lansing 1594C 100x2 amp?
  45. Can anyone help me ID this capacitor in crossover?
  46. Preamp Stage L, R, L+R
  47. Sub amp level matching
  48. Hafler 9180 DC Offset
  49. need replacement part opa445 opa551 opa552
  50. Carver AV405
  51. DH 101 Line stage/PS upgrade kit on Ebay
  52. which System
  53. Onkyo SR705
  54. .slb file (translated library file)...!
  55. p3a blowing 2sc5200 / 2sa1943 problem
  56. quick solid state amp question
  57. Musical Fidelity problem
  58. Repairing a DJ Mixer
  59. substitute for opamp
  60. NAD C352 service manual
  61. Stuart and Neil Build a KSA 50 (tweaked for 100 watts)
  62. Mf P270.2 input impedance?
  63. PS Audio 200C Power Amplifier
  64. so just how good are you guys?
  65. Yamaha RX-V1 Volume Control Issue
  66. Transistors Substitute
  67. Amplifier DC Offset - How Much is OK?
  68. static shocker maybe?
  69. Closer to reality, less "pleasant"?
  70. Yamaha P2100 schematic?
  71. Bridge Mono a stereo amplifier with balanced outputs
  72. input stage and VAS testing
  73. Powered OPA amplifier
  74. My Son of Ampzilla
  75. Phonic powerpod K16
  76. Ground loops, speaker hum and buz
  77. fidek fa1502 amplifier
  78. thanking you
  79. Case - List of suppliers
  80. Got 2x65VAC PS, any idea on DIY amplifier module?
  81. Opto Power Amplifier - 100% NPN
  82. Quad 44
  83. Bedini 250W ?
  84. loudnes control
  85. Simple amp from used parts
  86. quasar amplifier by dr bora 1000 watt
  87. Hafler DH200 Power Upgrade?
  88. Onkyo SR705 NEWB Needs Help
  89. Noob alert! Adcom 565 Q's
  90. Marantz PM 66SE KI Signature - volume control fault
  91. Question about power amp built in high pass filter
  92. yamaha rx-v870
  93. possible leach problem??
  94. Quad 33 Please Help me !!!
  95. Ayre's KX-R reviewed in November 08 Stereophile
  96. buffer
  97. Yamaha AX700
  98. 24V Tube IRF610 MOSFET Hybrid HPA
  99. Marantz PM 440 and PM 351 Schematic required
  100. quad 33
  101. The Royal Mail, Burbec, and the tale of the lost board.
  102. Newclassd Gold Series
  103. Crest Audio 4801 PSU Capacitors
  104. LU1014D Power JFET DISCONTINUED
  105. Dead AV receiver TEAC AG-V3020
  106. Quad 405-1 Avondale
  107. Mosfet problems
  108. JFET CS design, how? (and possible SPICE oddity)
  109. Matched 2SK1530/2SJ201
  110. solid state
  111. Hafler P-230 recondition
  112. Balanced audio distribution amplifier
  113. Yamaha EMX3500 repair - help needed
  114. New Member and Biema Q400 question
  115. Class A design question
  116. parallel complementary stage
  117. Beginner Project needed...
  118. Looking into building a compressor
  119. Fixing Amp - No Ideas
  120. Troubleshooting NAD C350
  121. Sumo Andromeda mods
  122. Preamp hum - any idea to minimize it? (Schematics added)
  123. Please help with NAD 1020 Pre-amp
  124. weird problem
  125. Increasing input Z on Leach amp
  126. Sugden A28 II schématic ?
  127. tl072cn replaced by opa2134
  128. Need some help deciding!
  129. Musical Fidelity A5
  130. Eagle PCB
  131. My version of a Slone preamp
  132. Technics SU-V570 schematic ?
  133. AD797, how to make the best of it
  134. schematic software
  135. Hafler DH200 DC Offset
  136. Helps/opinions needed before renewing my old Mini Crescendo amp
  137. Power Amp Design
  138. car amp voltage
  139. Quad 33 Please help!!!
  140. Gfa 555
  141. HK 330B Question
  142. Want To Convert My Washburn Bad Dog To 9v Power
  143. parasound halo a52 voltage
  144. DIT amp schematics ADCOM GFA585 rebuild?
  145. Aerovox vs Blackgate
  146. panasonic am capacitors
  147. How is the Quad 303 compared to 405-2 ?
  148. need echo circuit schematic does not have an ic in it
  149. Kenwood KAC 848 rail voltage fluctuating
  150. Lab.gruppen SS1300
  151. Schematics for Yamaha H7000 amplifier
  152. Solid Bb604 Amp
  153. Perfect sound search, this idea, HELP!, the long and insane search...
  154. J270 (P JFET) anyone?
  155. opinions on which plate amp
  156. Ev 7300a
  157. ML2 Overhaul Questions
  158. SKA GB150 or NxV200
  159. You PC amplifier can be modified to produce better sound
  160. How do the pinouts on Exicon mosfets work?
  161. OPA827 available
  162. Transistor testing question
  163. So Sick of SEARCHING, help me find a good +/- 24v regulator PLEASE!
  164. Blown Power Supply KSA 200s
  165. qsc RMX850 potmeter replacement
  166. HRII revisiting, have you experienced problems folks?
  167. Phonic Powerpod 740 schem
  168. Power amp schematic
  169. Yamaha C-80 preamp problem
  170. Building a +/- 24v Regulated PSU?
  171. help! pioneer a-400 thump
  172. Null Meter...build one?
  173. DSE A2760 Amplifier (aka Koda-261)
  174. What parts in input board of Adcom 555 II
  175. TL071 and TL072 upgrades
  176. What you always wanted to know on layouts...and now....you do!
  177. u/a capacitors
  178. NAD power lamps inside the enclosure
  179. Discrete I/V converter
  180. Adcom GFA-565 Driver Board Cancer
  181. Vintage Receiver Issues
  182. Help - replacement lamp for Yamaha M-50
  183. NAD 2150/3150 Schematic + advice
  184. Push Pull or Balanced?
  185. Gain and sensitivity question....
  186. Counterfeit 2SC5171 ?
  187. VFETs replacement, Sony TA-5650
  188. Tinned copper braid.
  189. Improved Diamond Buffer Design
  190. When Volume up - left channel sound prob ?
  191. bose 1801 repairs
  192. superscope, unfamiliar component
  193. Distribution Amp - How to switch off buffers independently?
  194. DIY amp to replace Rotel RB1090? LF100?
  195. Rotel RA840B Schematic
  196. K10amkii
  197. Service manual Request STR-DG720
  198. SR-92 sound problems
  199. yamaha pc2002m
  200. Faulty Audiolab 8000P
  201. Another jfet buffer
  202. Use board trace as a low value "resistor"
  203. schematic for yamaha pc2002m
  204. Suggestions for a diy amp.
  205. "ERROR -- Invalid Value"
  206. CAudio RA3001
  207. Audiolab 8000A fault
  208. Voxson H 305 schematics
  209. Blown capacitor question
  210. New to bi-amping
  211. Pioneer A-676 Service Manual needed
  212. Classe DR-25 transistors
  213. 5.1 Stereo Computer Amp
  214. Max safe operating temperature for transistors inside modified factory amplifier
  215. What to do with class A amplifiers to avoid some mufled treble
  216. RMI-FC100 MKII, single ended folded cascode VAS
  217. Patchwork Reloaded: Circuit Optimization and Board Layout.
  218. HT High Current Voltage Regulator
  219. about the bridging topology
  220. 10 000 watts from Sweden - Labgruppen
  221. Very different hybrid... opinions?
  222. Mod tips wanted:Denon Power Amp
  223. Building my system and wondering...
  224. Llano CAS 300
  225. zAh-ng amplifier, my amplifier..
  226. sherwood ax-7r
  227. NMOS Amplifier
  228. IGBT Still Alive
  229. AVR 210 Service Manual
  230. Another burnt Nikko Alpha 230
  231. Looking for Samick 6000 schematic or servicemanual
  232. DC300AII question
  233. How do I measure - 140 dB noise levels?
  234. Musical Fidelity A3.2cr Schematics
  235. Yamaha CP2000 needs schematic diagram...
  236. Jung/Gallo "LT" preamp and op-amps...
  237. Dim Bulb Testing: What to Expect
  238. UK EPE magazine project
  239. Rotel RB-976 schematic
  240. Best 100-W high fidelity audio NPN Transistor ?
  241. RCA RCP20N50 & RCP10N50 Data sheets?
  242. preamp 60 cycle hum help?? tube opamp
  243. Transformer Issue?
  244. Noise problem in Jeff Rowland Consonance
  245. HOW to modify .mod file?
  246. 120v/240v amplifiers
  247. adcom gfa5400
  248. Hacking a boom box for computer AC'7
  249. Yamaha MX-1000 Right Channel Oscillation
  250. Mystery circuit

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