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  1. Feedback artifacts, cars and semantics
  2. Input selector using PS gating of opamps?
  3. Luxman M-05, 105w class A
  4. Voltage Change US/UK
  5. Non-Inverted Gainclone PCB layout (LM3875)
  6. pro amplifiers vs. home audio amplifiers
  7. Basic question
  8. Help w/ opamp circ to remove DC from DSD
  9. Pavel Dudek's (Upupa Epops) amplifiers
  10. Oscillator reconditioning
  11. Help with amp
  12. Folded Cascode Sound?
  13. Bi-Amping with Arcam Alpha 6 possible?
  14. Analog VCA's
  15. single ended mosfet amp
  16. downgrading filter caps, will it work?
  17. Are dual rectifier bridges useful?
  18. DC powersupply +-15V 2-3A
  19. LM317-based regulated PSU: how does this thing work?
  20. Amp power supply question
  21. Transformer Question
  22. OP-AMP output impedance
  23. Chokes in PSU
  24. Cascode PSUs
  25. anyone have any experience with these amps.
  26. IRF540 V IRF540n
  27. Basic question about choosing op amps
  28. Irf540/9540
  29. Rod Elliot's new Mosfet amp
  30. Arrow MLJ4281/4302 thumbs down
  31. Audio analogue puccini amplifier schematic
  32. The sound of concatenated opamps.
  33. RFI problems
  34. c5200-0 Transistor
  35. Hello! anyone here?
  36. Is there anybody built a non feedback amplifier??
  37. Which of those preamps has a better parts quality ?
  38. Denon Protection Circuit
  39. Solvent washing PCB boards
  40. A Krell Revamp
  41. Replacing power supply capacitors
  42. New Webench amplifier tool from NatSemi
  43. Broadcast RIAA Blues
  44. Ad8099
  45. Class-A calculations
  46. Cambridge Audio P50 mystery
  47. Active Crossovers.
  48. The JC-2 preamp schematic on the website is wrong...Mr.John C?
  49. Help on Mission 700AS Subwoofer Amplifier!!!
  50. Counterpoint SA-220..got two...time to Mod them!
  51. Pioneer SX-838 -- random no sound output, clicking relay
  52. NJM4560 replacement
  53. 150W Is it good?
  54. Good Dual Opamp >+/-15V suggestion
  55. What graph to look at?
  56. Slow turn-on for LM78XX regulators?
  57. Adcom GFA-555 Pro
  58. inductance multiplier
  59. Transistor X-reference
  60. Schema for a variable subsonic filter?
  61. Help me with my PSU PCB
  62. What do you think about this schematic?
  63. Which node(s) to worry about in CFB amplifiers
  64. Type of 12V trigger on Amp?
  65. musical fidelity transistors....
  66. Crossover multiplyer
  67. P3a No quiescent current!
  68. Calculation of power audio amplifiers
  69. adcom gfa 545 II doesn't work
  70. DC controlled gain circuit
  71. Trimming resistors
  72. SOA and sagging PS
  73. does this make sense?
  74. 2-ohm stable amplifier PCBs or kits available?
  75. output devices installed before testing?
  76. AGC for PA / SR application
  77. Electrostatic suited amp
  78. Is this safe for OPA2134?
  79. DC Source Impedance measurement
  80. Help with op amp alternatives and spice so i can graduate
  81. How do I ground this?
  82. Holtons lateral amp
  83. Noise Cancelling Headphoneamp design.
  84. Winding Choke Calculations for CCS
  85. VAS pair
  86. Op amp questions for Mr. Wurcer
  87. Torroid coil is humming.
  88. Audio Design Guide
  89. Will this work for a WM61a?
  90. Help! Problem in My Receiver - Marantz RS685
  91. adding headphones on DOZ power amp
  92. Digitally controlled Baxandall?
  93. A preamp with tone controls
  94. SMA connectors -- why not?
  95. Recomend me a project
  96. Gain pot instead of volume pot
  97. fisher amp
  98. Looking for pn4889 for a B&K st-140
  99. Easiest way to reduce rails.
  100. Need some advice for amp-schematics
  101. About the wire impendence
  102. Convert Krell 300iL to European voltage
  103. Does anybody made QSC amplifier
  104. Please rate designs for n-ch mosfet amp
  105. amplifier with HF-parallel channel
  106. power transformers
  107. Peavey M-2600 trouble
  108. Panasonic receiver
  109. software for electronic circuit
  110. 20W No-Compromise Hi-End Amplifier
  111. Presentation + Class A amp with NEC 2SD555 / 2SB600
  112. Newbie question: Inducter
  113. Swiss Physics 6A repair info
  114. My assymetric->symmetric PSU, please comment
  115. Need new low profile caps for moth amp
  116. Tweak/Mod NAD C350
  117. does anybody know the wire thickness of MCAP/MCAP supreme??
  118. Portable direct drive amplifier for ESL headphones
  119. Carbon Film resistors *Marantz*
  120. Wtb:active Crossover Kit
  121. 1200w+ Amp Shootout March 27-28
  122. DSelf Precision Preamp Balance Control
  123. diy signal router
  124. The sound of two transistors switching
  125. amplifiers
  126. Up-Grade My Car Amplifier
  127. pcb
  128. Need Help Fixing an old NAD 304
  129. Is LM3875 better tham LM3876
  130. Floating Bias in Leach vs. Slone ??
  131. measuring a transformer Marantz 2245
  132. car amp power supply idea
  133. CRT monitor Help
  134. Moron Gainclone Questions
  135. SC480 Troubles....
  136. Please comment for my new CFB amp
  137. Discussing digital and class A amps
  138. my CFB has permanent DC offset-2
  139. square wave gen needed
  140. My CFB amp has permanent DC offset
  141. power amplifier with one-stage voltage amplification
  142. having problems with DOZ, help request
  143. Suggestions On Additional Circuits
  144. Digital input selector. What do you think about it?
  145. Need some help with a kit
  146. mux two input to one...
  147. Circuit Modification
  148. stereoplay 1988 Monoblock from GŁnter Mania
  149. Preamplifier from German magazine Klang&Ton
  150. About p3a
  151. BC559/549 - brand?
  152. Current feedback a la Mark Alexander+QRV06 = QRV03
  153. LM350 adjust pin
  154. Does anybody know Lee Jackson
  155. 230w 8 ohm approx replacement board of any kind 80vdc please help
  156. DIY Solid State amp
  157. Rails of most amps will be three times the RMS output voltage minus
  158. FET input stage problems
  159. circuit diagram to build my DIY preamp
  160. Need design book recommendation
  161. Alpine 3544 amplifier - cicuit diagram
  162. 2SC1345E Replacement
  163. low power class A SE MOSFET amp
  164. Snubbing Cap values on bridge rectifiers.
  165. Trace elliot ppa 600
  166. Current project: 1kW
  167. Amp repair failure
  168. Active Filter - GvT
  169. New Amp Project - GvT
  170. Denon Transistors
  171. Debugging Quasi amp
  172. marantz 1060 transformer
  173. Upgrading opamps in I/V stage
  174. Harmon Kardon vintage HK775 monoblock info
  175. byop amp on battery's
  176. static
  177. TEAC Dt1 modification
  178. Importance of Heatsinking
  179. DC offset in commercial amp
  180. Toroidal Transformer
  181. crecendo me protection ckt
  182. Resistors for dummy load?
  183. Building P3A Amplifier
  184. Manual / Circuit Diagramm for Music Fideltiy MA50x
  185. Rotel 972 Balanced out...
  186. Shielding interconnects
  187. Modest IGBT SE project
  188. Low openloop gain amplifier
  189. 2 channel in, 4 channel out
  190. input selector switches
  191. Need a decent kit
  192. My X-Power amp design
  193. help required with regulator circuit please
  194. Who knows this TO3?
  195. Any problems with Fun-Tak (tm) on the PCB?
  196. Kill the Crummy Opamp!!
  197. Hexfet power amplifier
  198. Plate amps- high vs low ohm connections?
  199. quad 502 pcb anyone?
  200. Linx-NZ audio manufacturer
  201. Borbely Fet Follower SPICE modeling
  202. swapping 2955/3055's for new on semi mjl4281A/mjl4202A ?
  203. Need of STK4197MK2
  204. Need of TCA530
  205. balanced input problem
  206. Oscillating DoZ
  207. ... minimizing op amp distortion
  208. Amp with high voltage output(+- 800V)
  209. Help with Leach amp
  210. excuse me...
  211. sanken 2sd123 replacement??
  212. transformer question
  213. p3a dual mono?
  214. Today's Puzzler ??
  215. Good sound, what is it?
  216. Why no MOSFETs?
  217. Usable distortion analyser for Pre-/Amps
  218. P3A - getting more power
  219. Strange vol. pot behaviour ?!
  220. JLH input impedance
  221. Technics SU V85A
  222. Power supply for Car amp
  223. Borbely Fet Follower / HarryHaller?
  224. tip 36c
  225. schematic drawing
  226. 10-20W Claa-A..which one ??
  227. Need schematic for 9v DC PSU
  228. Good job for Leach superamp
  229. need some help finding a resistor
  230. capacitor question (p3a)
  231. Asymmetrical amplifier
  232. Harmon Kardon Citation 16
  233. Amp suggestions for @ $400 U.S.
  234. NAD 7020, problem with tuner++ (centering).
  235. Zenquito 5x50W : nearly the building end
  236. solid state amps
  237. zobel network / emitter resistors
  238. symetric amp with mirrors, vas bias stability?
  239. Completed stereo amp project
  240. Simple discrete unity gain buffer
  241. Advice for a newbie
  242. Buy Mark Levinson for Peanuts
  243. Floating voltages
  244. Wiring supply rails to output devices
  245. external amp for subwoofer
  246. Which amp should I build?
  247. volume control question
  248. Re: JLH 10 Watt class A amplifier
  249. ????????
  250. Heatsink dimensions

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