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  1. Square Wave needed
  2. Complementary input stages with current mirrors
  3. ROTEL RB-870BX schematic or Service Manual
  4. Do two SE monblocks make a balanced amp
  5. kenwood kac-921 car amp
  6. Amber / AP1 output transformer?
  7. Linear Systems Dual Transistors
  8. Musical Fidelity 3A Pre-amp background hiss
  9. Mark Levinson 27 Repair Complete
  10. Musical Fidelity e300 power amp trannys help :(
  11. Dunlap- Clarke Dreadnought 500 Power Amp
  12. protron dvd recorder
  13. NX1000NL-NX150 Synenergy schematic here :)
  14. Grundig Fine Arts V1 integrated amplifier
  15. Help, Kenwood KR-8010
  16. Citronic PPX2400 Schematic
  17. Denon PMA-655
  18. SE Class A 200W PURE Heat
  19. Help: inductances in original Quad405.
  20. Need assistance for additional devices in DC detect for Quasis NMOS 350 Amp
  21. Carver PM1.5 service bulletin 1
  22. Soundcraft Spirit Studio schematic
  23. Yamaha A 720
  24. My Exicon amp project....
  25. Digital potentiometer with readout
  26. possible replacement for sap16n and p using conventional bce output
  27. cambridge a3i fixed
  28. jfets for preamp
  29. Adcom 585 problems 1 side hot other cold?
  30. harman kardon citation 12
  31. Swr Sm900 Mods
  32. Soundcraftsmen RA7501 Amplifier
  33. Is there any difference between SMD and TH parts?
  34. Quad SPST Analog Switch
  35. Help, troubleshooting Miniosc !
  36. Comparing 3 topologies
  37. hello, space2000 is back...
  38. Soundcraftsmen Amp Negative Volt Reading DC-Offset
  39. Identificaton and substitute ????
  40. SOA and whats realistic
  41. Bias chain current for SAP16
  42. 2SC3423/2SA1360 models?
  43. Input protection diodes: More harm than good?
  44. Current Mirror: The V-mirror
  45. Spice models for SK246/SJ103 anyone?
  46. swedish forum members please contact me
  47. PS Audio Question (pre-amp)
  48. Spice models
  49. Slowing down AC fans?
  50. denon pma495--r mod
  51. Pioneer SA-500 Transistor Questions
  52. adjustable riaa amp?
  53. NAD 2600 speaker output relay replacement
  54. Power amp outout stage self oscillation problem
  55. Bb627 Amp
  56. Digital Volume Control
  57. subwoofer amplifier
  58. The Frugalamp by OS
  59. Spectral
  60. help... diode on emitter
  61. Marantz Pm7200 Amp
  62. Can LM3886 BPA300 beats SS Plinius quality?
  63. jaycar sc480 t03 ver 2
  64. Aura Evolution VA100 • Clean up & upgrade
  65. Dual Slope Protection Circuit Values...
  66. Does anybody know anything about this amp? STUDIOCRAFT F1 (see picture included)
  67. Fortuitous distortion null in simple FET circuit
  68. Converting pro audio signal (1.23v) to consumer line level (0.31v)?
  69. Need schematics for c audio ra3001
  70. Intro very Nice Free PCB CAD MBE
  71. My first DIY amplifier 20 years a go
  72. Converting Krell KSA 80B to KMA 160
  73. Double-die mosfets in P101?
  74. Amplitude and frequency distributions wanted
  75. Adcom 555 II advice - repair? test?
  76. Electrocompaniet AW100
  77. My pre-amp / buffer
  78. Looking for complementary NPN-PNP pair
  79. Real Silly Cap vs. Cap Question
  80. Meridian 101 recap
  81. HRII debug thread, post the problems you had here
  82. Please help with double attenuator for biamp
  83. Creek 5350S
  84. Learning about this stuff! I have newly acquired gear, and some questions.
  85. Driving 8 Ohm Speaker
  86. Looking for BK EX-442 schematics
  87. Powering Two Cabinets
  88. convert a NAP180 into a NAP250
  89. Repair or Replace??
  90. Right channel not working on Spirit Folio 10/2
  91. Need advice on a faulty c audio ra3001!!
  92. Building A new amplifier
  93. RelaiXed/diy preamp
  94. Current Mirror Discussion
  95. Effects of overtaxing IXYS diode bridge?
  96. Can you check this crossover repair job?
  97. Yamaha P2500S fault
  98. How to convert 120VDC to 12VDC?
  99. Discrete OPA627/687?
  100. Dx Optimus is being prepared... dynamic bias.. Class A to AB
  101. SSTART Preamplifier
  102. Comment on PCB and how to make it smaller
  103. Amp Stability techniques: Zobel et al.
  104. Dismante preamp
  105. Hafler DH-500 problems... ugh! DH500
  106. Fast Class A Amp
  107. Help replacing TL072CN op amps for TLE2072CP
  108. Leach Amp Clone 6 transistor version by Jens Rasmussen
  109. fuzzy left speaker
  110. A forum friend has sent me this Class A created in 1967
  111. matamp quasar 500
  112. Amp Cooling
  113. proton 930
  114. Luxman A-312
  115. Help (for a novice) Cambridge Audio A5
  116. krell ksa 300s right channel dead maybe transistor problem??
  117. Randy Slone's Optimos power amp demo Sydney Sunday Nov 9 2008
  118. RCF DCA1050 in Parallel Mono
  119. what to do whit this
  120. Ground side to OPAMP capacitor replacement?
  121. power supply help
  122. Marantz PM64II repairing
  123. Little opamp/darlington amplifier
  124. Rowland Research Amplifier Help!
  125. Troubleshooting 35V on speaker output
  126. Marantz SC-80 / SM-80 repair queries
  127. SONY TA 70, repair help needed
  128. please comment my pcb
  129. Crest CA9 spare input boards?
  130. Borbely interview released ...
  131. sansui qrx 6500
  132. service manual for MARANTZ SR 5300 NEEDED PLS HELP
  133. Citronic PPX 2400
  134. another schematic
  135. '70s Mark Levinson Op-amp
  136. Yamaha pc4002M inside pics and a meter problem
  137. Accidentally wired my amplifier wrong!
  138. National opamp inflation
  139. one channel has no bass?
  140. Son of Ampzilla meters not lit?
  141. looking for Yamaha YM3434 filters...
  142. Quad 405 hum
  143. Which DIY power amp clone for subwoofer?
  144. simple and interesting.possible ????
  145. How do you mount TO3 transistors?
  146. I have found a special amplifier, am trying to contact the designer
  147. Power consumption v. rms output
  148. Yes - another system ground question
  149. My Two-Stage RIAA Amp
  150. Strange Power Supply Behavior
  151. Marantz 1030 Service Manual / Recap Advice
  152. Does anyone have a Carver CT-3 pre-amp?
  153. SiGe transistors... who woulda thought?
  154. Opamp line preamp questions
  155. Sony STR-DE845
  156. please help with an oscillating amp
  157. how to edit part?
  158. FET Parameters - Matching
  159. Output stage device types. Yes or no question.
  160. Crown Com-Tech 210 Power Amplifier Crown Com-Tech 210
  161. DC300A opamp replacement
  162. altec lansing 1594C 100x2 amp?
  163. Can anyone help me ID this capacitor in crossover?
  164. Preamp Stage L, R, L+R
  165. Sub amp level matching
  166. Hafler 9180 DC Offset
  167. need replacement part opa445 opa551 opa552
  168. Carver AV405
  169. DH 101 Line stage/PS upgrade kit on Ebay
  170. which System
  171. Onkyo SR705
  172. .slb file (translated library file)...!
  173. p3a blowing 2sc5200 / 2sa1943 problem
  174. quick solid state amp question
  175. Musical Fidelity problem
  176. Repairing a DJ Mixer
  177. substitute for opamp
  178. NAD C352 service manual
  179. Stuart and Neil Build a KSA 50 (tweaked for 100 watts)
  180. Mf P270.2 input impedance?
  181. PS Audio 200C Power Amplifier
  182. so just how good are you guys?
  183. Yamaha RX-V1 Volume Control Issue
  184. Transistors Substitute
  185. Amplifier DC Offset - How Much is OK?
  186. static shocker maybe?
  187. Closer to reality, less "pleasant"?
  188. Yamaha P2100 schematic?
  189. Bridge Mono a stereo amplifier with balanced outputs
  190. input stage and VAS testing
  191. Powered OPA amplifier
  192. My Son of Ampzilla
  193. Phonic powerpod K16
  194. Ground loops, speaker hum and buz
  195. fidek fa1502 amplifier
  196. thanking you
  197. Case - List of suppliers
  198. Got 2x65VAC PS, any idea on DIY amplifier module?
  199. Opto Power Amplifier - 100% NPN
  200. Quad 44
  201. Bedini 250W ?
  202. loudnes control
  203. Simple amp from used parts
  204. quasar amplifier by dr bora 1000 watt
  205. Hafler DH200 Power Upgrade?
  206. Onkyo SR705 NEWB Needs Help
  207. Noob alert! Adcom 565 Q's
  208. Marantz PM 66SE KI Signature - volume control fault
  209. Question about power amp built in high pass filter
  210. yamaha rx-v870
  211. possible leach problem??
  212. Quad 33 Please Help me !!!
  213. Ayre's KX-R reviewed in November 08 Stereophile
  214. buffer
  215. Yamaha AX700
  216. 24V Tube IRF610 MOSFET Hybrid HPA
  217. Marantz PM 440 and PM 351 Schematic required
  218. quad 33
  219. The Royal Mail, Burbec, and the tale of the lost board.
  220. Newclassd Gold Series
  221. Crest Audio 4801 PSU Capacitors
  222. LU1014D Power JFET DISCONTINUED
  223. Dead AV receiver TEAC AG-V3020
  224. Quad 405-1 Avondale
  225. Mosfet problems
  226. JFET CS design, how? (and possible SPICE oddity)
  227. Matched 2SK1530/2SJ201
  228. solid state
  229. Hafler P-230 recondition
  230. Balanced audio distribution amplifier
  231. Yamaha EMX3500 repair - help needed
  232. New Member and Biema Q400 question
  233. Class A design question
  234. parallel complementary stage
  235. Beginner Project needed...
  236. Looking into building a compressor
  237. Fixing Amp - No Ideas
  238. Troubleshooting NAD C350
  239. Sumo Andromeda mods
  240. Preamp hum - any idea to minimize it? (Schematics added)
  241. Please help with NAD 1020 Pre-amp
  242. weird problem
  243. Increasing input Z on Leach amp
  244. Sugden A28 II schématic ?
  245. tl072cn replaced by opa2134
  246. Need some help deciding!
  247. Musical Fidelity A5
  248. Eagle PCB
  249. My version of a Slone preamp
  250. Technics SU-V570 schematic ?

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