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  1. Citronic PPX2400 Schematic
  2. Denon PMA-655
  3. SE Class A 200W PURE Heat
  4. Help: inductances in original Quad405.
  5. Need assistance for additional devices in DC detect for Quasis NMOS 350 Amp
  6. Carver PM1.5 service bulletin 1
  7. Soundcraft Spirit Studio schematic
  8. Yamaha A 720
  9. My Exicon amp project....
  10. Digital potentiometer with readout
  11. possible replacement for sap16n and p using conventional bce output
  12. cambridge a3i fixed
  13. jfets for preamp
  14. Adcom 585 problems 1 side hot other cold?
  15. harman kardon citation 12
  16. Swr Sm900 Mods
  17. Soundcraftsmen RA7501 Amplifier
  18. Is there any difference between SMD and TH parts?
  19. Quad SPST Analog Switch
  20. Help, troubleshooting Miniosc !
  21. Comparing 3 topologies
  22. hello, space2000 is back...
  23. Soundcraftsmen Amp Negative Volt Reading DC-Offset
  24. Identificaton and substitute ????
  25. SOA and whats realistic
  26. Bias chain current for SAP16
  27. 2SC3423/2SA1360 models?
  28. Input protection diodes: More harm than good?
  29. Current Mirror: The V-mirror
  30. Spice models for SK246/SJ103 anyone?
  31. swedish forum members please contact me
  32. PS Audio Question (pre-amp)
  33. Spice models
  34. Slowing down AC fans?
  35. denon pma495--r mod
  36. Pioneer SA-500 Transistor Questions
  37. adjustable riaa amp?
  38. NAD 2600 speaker output relay replacement
  39. Power amp outout stage self oscillation problem
  40. Bb627 Amp
  41. Digital Volume Control
  42. subwoofer amplifier
  43. The Frugalamp by OS
  44. Spectral
  45. help... diode on emitter
  46. Marantz Pm7200 Amp
  47. Can LM3886 BPA300 beats SS Plinius quality?
  48. jaycar sc480 t03 ver 2
  49. Aura Evolution VA100 • Clean up & upgrade
  50. Dual Slope Protection Circuit Values...
  51. Does anybody know anything about this amp? STUDIOCRAFT F1 (see picture included)
  52. Fortuitous distortion null in simple FET circuit
  53. Converting pro audio signal (1.23v) to consumer line level (0.31v)?
  54. Need schematics for c audio ra3001
  55. Intro very Nice Free PCB CAD MBE
  56. My first DIY amplifier 20 years a go
  57. Converting Krell KSA 80B to KMA 160
  58. Double-die mosfets in P101?
  59. Amplitude and frequency distributions wanted
  60. Adcom 555 II advice - repair? test?
  61. Electrocompaniet AW100
  62. My pre-amp / buffer
  63. Looking for complementary NPN-PNP pair
  64. Real Silly Cap vs. Cap Question
  65. Meridian 101 recap
  66. HRII debug thread, post the problems you had here
  67. Please help with double attenuator for biamp
  68. Creek 5350S
  69. Learning about this stuff! I have newly acquired gear, and some questions.
  70. Driving 8 Ohm Speaker
  71. Looking for BK EX-442 schematics
  72. Powering Two Cabinets
  73. convert a NAP180 into a NAP250
  74. Repair or Replace??
  75. Right channel not working on Spirit Folio 10/2
  76. Need advice on a faulty c audio ra3001!!
  77. Building A new amplifier
  78. RelaiXed/diy preamp
  79. Current Mirror Discussion
  80. Effects of overtaxing IXYS diode bridge?
  81. Can you check this crossover repair job?
  82. Yamaha P2500S fault
  83. How to convert 120VDC to 12VDC?
  84. Discrete OPA627/687?
  85. Dx Optimus is being prepared... dynamic bias.. Class A to AB
  86. SSTART Preamplifier
  87. Comment on PCB and how to make it smaller
  88. Amp Stability techniques: Zobel et al.
  89. Dismante preamp
  90. Hafler DH-500 problems... ugh! DH500
  91. Fast Class A Amp
  92. Help replacing TL072CN op amps for TLE2072CP
  93. Leach Amp Clone 6 transistor version by Jens Rasmussen
  94. fuzzy left speaker
  95. A forum friend has sent me this Class A created in 1967
  96. matamp quasar 500
  97. Amp Cooling
  98. proton 930
  99. Luxman A-312
  100. Help (for a novice) Cambridge Audio A5
  101. krell ksa 300s right channel dead maybe transistor problem??
  102. Randy Slone's Optimos power amp demo Sydney Sunday Nov 9 2008
  103. RCF DCA1050 in Parallel Mono
  104. what to do whit this
  105. Ground side to OPAMP capacitor replacement?
  106. power supply help
  107. Marantz PM64II repairing
  108. Little opamp/darlington amplifier
  109. Rowland Research Amplifier Help!
  110. Troubleshooting 35V on speaker output
  111. Marantz SC-80 / SM-80 repair queries
  112. SONY TA 70, repair help needed
  113. please comment my pcb
  114. Crest CA9 spare input boards?
  115. Borbely interview released ...
  116. sansui qrx 6500
  117. service manual for MARANTZ SR 5300 NEEDED PLS HELP
  118. Citronic PPX 2400
  119. another schematic
  120. '70s Mark Levinson Op-amp
  121. Yamaha pc4002M inside pics and a meter problem
  122. Accidentally wired my amplifier wrong!
  123. National opamp inflation
  124. one channel has no bass?
  125. Son of Ampzilla meters not lit?
  126. looking for Yamaha YM3434 filters...
  127. Quad 405 hum
  128. Which DIY power amp clone for subwoofer?
  129. simple and interesting.possible ????
  130. How do you mount TO3 transistors?
  131. I have found a special amplifier, am trying to contact the designer
  132. Power consumption v. rms output
  133. Yes - another system ground question
  134. My Two-Stage RIAA Amp
  135. Strange Power Supply Behavior
  136. Marantz 1030 Service Manual / Recap Advice
  137. Does anyone have a Carver CT-3 pre-amp?
  138. SiGe transistors... who woulda thought?
  139. Opamp line preamp questions
  140. Sony STR-DE845
  141. please help with an oscillating amp
  142. how to edit part?
  143. FET Parameters - Matching
  144. Output stage device types. Yes or no question.
  145. Crown Com-Tech 210 Power Amplifier Crown Com-Tech 210
  146. DC300A opamp replacement
  147. altec lansing 1594C 100x2 amp?
  148. Can anyone help me ID this capacitor in crossover?
  149. Preamp Stage L, R, L+R
  150. Sub amp level matching
  151. Hafler 9180 DC Offset
  152. need replacement part opa445 opa551 opa552
  153. Carver AV405
  154. DH 101 Line stage/PS upgrade kit on Ebay
  155. which System
  156. Onkyo SR705
  157. .slb file (translated library file)...!
  158. p3a blowing 2sc5200 / 2sa1943 problem
  159. quick solid state amp question
  160. Musical Fidelity problem
  161. Repairing a DJ Mixer
  162. substitute for opamp
  163. NAD C352 service manual
  164. Stuart and Neil Build a KSA 50 (tweaked for 100 watts)
  165. Mf P270.2 input impedance?
  166. PS Audio 200C Power Amplifier
  167. so just how good are you guys?
  168. Yamaha RX-V1 Volume Control Issue
  169. Transistors Substitute
  170. Amplifier DC Offset - How Much is OK?
  171. static shocker maybe?
  172. Closer to reality, less "pleasant"?
  173. Yamaha P2100 schematic?
  174. Bridge Mono a stereo amplifier with balanced outputs
  175. input stage and VAS testing
  176. Powered OPA amplifier
  177. My Son of Ampzilla
  178. Phonic powerpod K16
  179. Ground loops, speaker hum and buz
  180. fidek fa1502 amplifier
  181. thanking you
  182. Case - List of suppliers
  183. Got 2x65VAC PS, any idea on DIY amplifier module?
  184. Opto Power Amplifier - 100% NPN
  185. Quad 44
  186. Bedini 250W ?
  187. loudnes control
  188. Simple amp from used parts
  189. quasar amplifier by dr bora 1000 watt
  190. Hafler DH200 Power Upgrade?
  191. Onkyo SR705 NEWB Needs Help
  192. Noob alert! Adcom 565 Q's
  193. Marantz PM 66SE KI Signature - volume control fault
  194. Question about power amp built in high pass filter
  195. yamaha rx-v870
  196. possible leach problem??
  197. Quad 33 Please Help me !!!
  198. Ayre's KX-R reviewed in November 08 Stereophile
  199. buffer
  200. Yamaha AX700
  201. 24V Tube IRF610 MOSFET Hybrid HPA
  202. Marantz PM 440 and PM 351 Schematic required
  203. quad 33
  204. The Royal Mail, Burbec, and the tale of the lost board.
  205. Newclassd Gold Series
  206. Crest Audio 4801 PSU Capacitors
  207. LU1014D Power JFET DISCONTINUED
  208. Dead AV receiver TEAC AG-V3020
  209. Quad 405-1 Avondale
  210. Mosfet problems
  211. JFET CS design, how? (and possible SPICE oddity)
  212. Matched 2SK1530/2SJ201
  213. solid state
  214. Hafler P-230 recondition
  215. Balanced audio distribution amplifier
  216. Yamaha EMX3500 repair - help needed
  217. New Member and Biema Q400 question
  218. Class A design question
  219. parallel complementary stage
  220. Beginner Project needed...
  221. Looking into building a compressor
  222. Fixing Amp - No Ideas
  223. Troubleshooting NAD C350
  224. Sumo Andromeda mods
  225. Preamp hum - any idea to minimize it? (Schematics added)
  226. Please help with NAD 1020 Pre-amp
  227. weird problem
  228. Increasing input Z on Leach amp
  229. Sugden A28 II schématic ?
  230. tl072cn replaced by opa2134
  231. Need some help deciding!
  232. Musical Fidelity A5
  233. Eagle PCB
  234. My version of a Slone preamp
  235. Technics SU-V570 schematic ?
  236. AD797, how to make the best of it
  237. schematic software
  238. Hafler DH200 DC Offset
  239. Helps/opinions needed before renewing my old Mini Crescendo amp
  240. Power Amp Design
  241. car amp voltage
  242. Quad 33 Please help!!!
  243. Gfa 555
  244. HK 330B Question
  245. Want To Convert My Washburn Bad Dog To 9v Power
  246. parasound halo a52 voltage
  247. DIT amp schematics ADCOM GFA585 rebuild?
  248. Aerovox vs Blackgate
  249. panasonic am capacitors
  250. How is the Quad 303 compared to 405-2 ?

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