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  1. Help w/ opamp circ to remove DC from DSD
  2. Pavel Dudek's (Upupa Epops) amplifiers
  3. Oscillator reconditioning
  4. Help with amp
  5. Folded Cascode Sound?
  6. Bi-Amping with Arcam Alpha 6 possible?
  7. Analog VCA's
  8. single ended mosfet amp
  9. downgrading filter caps, will it work?
  10. Are dual rectifier bridges useful?
  11. DC powersupply +-15V 2-3A
  12. LM317-based regulated PSU: how does this thing work?
  13. Amp power supply question
  14. Transformer Question
  15. OP-AMP output impedance
  16. Chokes in PSU
  17. Cascode PSUs
  18. anyone have any experience with these amps.
  19. IRF540 V IRF540n
  20. Basic question about choosing op amps
  21. Irf540/9540
  22. Rod Elliot's new Mosfet amp
  23. Arrow MLJ4281/4302 thumbs down
  24. Audio analogue puccini amplifier schematic
  25. The sound of concatenated opamps.
  26. RFI problems
  27. c5200-0 Transistor
  28. Hello! anyone here?
  29. Is there anybody built a non feedback amplifier??
  30. Which of those preamps has a better parts quality ?
  31. Denon Protection Circuit
  32. Solvent washing PCB boards
  33. A Krell Revamp
  34. Replacing power supply capacitors
  35. New Webench amplifier tool from NatSemi
  36. Broadcast RIAA Blues
  37. Ad8099
  38. Class-A calculations
  39. Cambridge Audio P50 mystery
  40. Active Crossovers.
  41. The JC-2 preamp schematic on the website is wrong...Mr.John C?
  42. Help on Mission 700AS Subwoofer Amplifier!!!
  43. Counterpoint SA-220..got two...time to Mod them!
  44. Pioneer SX-838 -- random no sound output, clicking relay
  45. NJM4560 replacement
  46. 150W Is it good?
  47. Good Dual Opamp >+/-15V suggestion
  48. What graph to look at?
  49. Slow turn-on for LM78XX regulators?
  50. Adcom GFA-555 Pro
  51. inductance multiplier
  52. Transistor X-reference
  53. Schema for a variable subsonic filter?
  54. Help me with my PSU PCB
  55. What do you think about this schematic?
  56. Which node(s) to worry about in CFB amplifiers
  57. Type of 12V trigger on Amp?
  58. musical fidelity transistors....
  59. Crossover multiplyer
  60. P3a No quiescent current!
  61. Calculation of power audio amplifiers
  62. adcom gfa 545 II doesn't work
  63. DC controlled gain circuit
  64. Trimming resistors
  65. SOA and sagging PS
  66. does this make sense?
  67. 2-ohm stable amplifier PCBs or kits available?
  68. output devices installed before testing?
  69. AGC for PA / SR application
  70. Electrostatic suited amp
  71. Is this safe for OPA2134?
  72. DC Source Impedance measurement
  73. Help with op amp alternatives and spice so i can graduate
  74. How do I ground this?
  75. Holtons lateral amp
  76. Noise Cancelling Headphoneamp design.
  77. Winding Choke Calculations for CCS
  78. VAS pair
  79. Op amp questions for Mr. Wurcer
  80. Torroid coil is humming.
  81. Audio Design Guide
  82. Will this work for a WM61a?
  83. Help! Problem in My Receiver - Marantz RS685
  84. adding headphones on DOZ power amp
  85. Digitally controlled Baxandall?
  86. A preamp with tone controls
  87. SMA connectors -- why not?
  88. Recomend me a project
  89. Gain pot instead of volume pot
  90. fisher amp
  91. Looking for pn4889 for a B&K st-140
  92. Easiest way to reduce rails.
  93. Need some advice for amp-schematics
  94. About the wire impendence
  95. Convert Krell 300iL to European voltage
  96. Does anybody made QSC amplifier
  97. Please rate designs for n-ch mosfet amp
  98. amplifier with HF-parallel channel
  99. power transformers
  100. Peavey M-2600 trouble
  101. Panasonic receiver
  102. software for electronic circuit
  103. 20W No-Compromise Hi-End Amplifier
  104. Presentation + Class A amp with NEC 2SD555 / 2SB600
  105. Newbie question: Inducter
  106. Swiss Physics 6A repair info
  107. My assymetric->symmetric PSU, please comment
  108. Need new low profile caps for moth amp
  109. Tweak/Mod NAD C350
  110. does anybody know the wire thickness of MCAP/MCAP supreme??
  111. Portable direct drive amplifier for ESL headphones
  112. Carbon Film resistors *Marantz*
  113. Wtb:active Crossover Kit
  114. 1200w+ Amp Shootout March 27-28
  115. DSelf Precision Preamp Balance Control
  116. diy signal router
  117. The sound of two transistors switching
  118. amplifiers
  119. Up-Grade My Car Amplifier
  120. pcb
  121. Need Help Fixing an old NAD 304
  122. Is LM3875 better tham LM3876
  123. Floating Bias in Leach vs. Slone ??
  124. measuring a transformer Marantz 2245
  125. car amp power supply idea
  126. CRT monitor Help
  127. Moron Gainclone Questions
  128. SC480 Troubles....
  129. Please comment for my new CFB amp
  130. Discussing digital and class A amps
  131. my CFB has permanent DC offset-2
  132. square wave gen needed
  133. My CFB amp has permanent DC offset
  134. power amplifier with one-stage voltage amplification
  135. having problems with DOZ, help request
  136. Suggestions On Additional Circuits
  137. Digital input selector. What do you think about it?
  138. Need some help with a kit
  139. mux two input to one...
  140. Circuit Modification
  141. stereoplay 1988 Monoblock from GŁnter Mania
  142. Preamplifier from German magazine Klang&Ton
  143. About p3a
  144. BC559/549 - brand?
  145. Current feedback a la Mark Alexander+QRV06 = QRV03
  146. LM350 adjust pin
  147. Does anybody know Lee Jackson
  148. 230w 8 ohm approx replacement board of any kind 80vdc please help
  149. DIY Solid State amp
  150. Rails of most amps will be three times the RMS output voltage minus
  151. FET input stage problems
  152. circuit diagram to build my DIY preamp
  153. Need design book recommendation
  154. Alpine 3544 amplifier - cicuit diagram
  155. 2SC1345E Replacement
  156. low power class A SE MOSFET amp
  157. Snubbing Cap values on bridge rectifiers.
  158. Trace elliot ppa 600
  159. Current project: 1kW
  160. Amp repair failure
  161. Active Filter - GvT
  162. New Amp Project - GvT
  163. Denon Transistors
  164. Debugging Quasi amp
  165. marantz 1060 transformer
  166. Upgrading opamps in I/V stage
  167. Harmon Kardon vintage HK775 monoblock info
  168. byop amp on battery's
  169. static
  170. TEAC Dt1 modification
  171. Importance of Heatsinking
  172. DC offset in commercial amp
  173. Toroidal Transformer
  174. crecendo me protection ckt
  175. Resistors for dummy load?
  176. Building P3A Amplifier
  177. Manual / Circuit Diagramm for Music Fideltiy MA50x
  178. Rotel 972 Balanced out...
  179. Shielding interconnects
  180. Modest IGBT SE project
  181. Low openloop gain amplifier
  182. 2 channel in, 4 channel out
  183. input selector switches
  184. Need a decent kit
  185. My X-Power amp design
  186. help required with regulator circuit please
  187. Who knows this TO3?
  188. Any problems with Fun-Tak (tm) on the PCB?
  189. Kill the Crummy Opamp!!
  190. Hexfet power amplifier
  191. Plate amps- high vs low ohm connections?
  192. quad 502 pcb anyone?
  193. Linx-NZ audio manufacturer
  194. Borbely Fet Follower SPICE modeling
  195. swapping 2955/3055's for new on semi mjl4281A/mjl4202A ?
  196. Need of STK4197MK2
  197. Need of TCA530
  198. balanced input problem
  199. Oscillating DoZ
  200. ... minimizing op amp distortion
  201. Amp with high voltage output(+- 800V)
  202. Help with Leach amp
  203. excuse me...
  204. sanken 2sd123 replacement??
  205. transformer question
  206. p3a dual mono?
  207. Today's Puzzler ??
  208. Good sound, what is it?
  209. Why no MOSFETs?
  210. Usable distortion analyser for Pre-/Amps
  211. P3A - getting more power
  212. Strange vol. pot behaviour ?!
  213. JLH input impedance
  214. Technics SU V85A
  215. Power supply for Car amp
  216. Borbely Fet Follower / HarryHaller?
  217. tip 36c
  218. schematic drawing
  219. 10-20W Claa-A..which one ??
  220. Need schematic for 9v DC PSU
  221. Good job for Leach superamp
  222. need some help finding a resistor
  223. capacitor question (p3a)
  224. Asymmetrical amplifier
  225. Harmon Kardon Citation 16
  226. Amp suggestions for @ $400 U.S.
  227. NAD 7020, problem with tuner++ (centering).
  228. Zenquito 5x50W : nearly the building end
  229. solid state amps
  230. zobel network / emitter resistors
  231. symetric amp with mirrors, vas bias stability?
  232. Completed stereo amp project
  233. Simple discrete unity gain buffer
  234. Advice for a newbie
  235. Buy Mark Levinson for Peanuts
  236. Floating voltages
  237. Wiring supply rails to output devices
  238. external amp for subwoofer
  239. Which amp should I build?
  240. volume control question
  241. Re: JLH 10 Watt class A amplifier
  242. ????????
  243. Heatsink dimensions
  244. Logarythmic attenuator?
  245. Dahlquist DQLP1
  246. Another new Rod Elliot amp! p3B!
  247. VAS transistor choice
  248. Gabevee's SS tube-like preamp
  249. fake mj15003/4
  250. DIY guitar amp

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