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  1. PCB for Bernd Ludwig's modified Quad 405 circuit
  2. 2sa1494 replacements ?
  3. Need replacement for devices GET 4871 and SCR 2N4442 in Vintage PA Amp
  4. Rotel RB1080 - Injured, needs consulting specialist
  5. Commercially available current dumping amps?
  6. NAD 3020 clone
  7. york ville amplifier
  8. Exposure IV blown channel
  9. Volume level mismatch using MOSFET output device?
  10. Dukane line in/speaker out help
  11. Introduction and Help...
  12. Moding this phono preamp ?
  13. transformer question
  14. darlington transistor LTspice model ?
  15. Crest ST2000 scheme for Power Supply
  16. Professor smith needs help
  17. hafler dh200 blew speaker?
  18. Selector Switch Pop - Newbie Question
  19. Transistor as a Switch, is this correct?
  20. JFET sorting by Ron?
  21. Hiraga
  22. Convert Or Add XLR Inputs To Power Amp?
  23. Left channel broken on NAD reciver...
  24. CELLO Duet 350 supply conversion
  25. The "Volksamp" - NAD 3020
  26. Luxman C 02
  27. "stop" line on sony receiver
  28. Dukane 1a803
  29. Musical Fidelity X-A200 upgrade quandry
  30. PS Audio Linear Control Center and Phono III
  31. What kind of solder do you guys like to use?
  32. noob question about B-1000 sansui
  33. LT-spice VS Eagle... CAD cooperation...
  34. Opamp compatibility
  35. Pioneer A-445 help needed
  36. mini-mosfet
  37. need scmh. for europower pmh660m
  38. interesting amplifier schematic
  39. Cyrus III+PSX-R problem. Anyone knows?
  40. Luxman L100 vintage sound
  41. substitute for IC1003 in ciclotron schematics
  42. Stage output, driver oscillating
  43. Help needed with Musical Fidelity P270 II electrical problem
  44. Pioneer M5
  45. Nad 304 Protection Mode
  46. Amplifier circuit questions~
  47. Pioneer SX-838 problem
  48. Problem with Exposure 2010s
  49. Can someone tell me how this works?
  50. Crackling from a solid state circuit
  51. HELP! Adcom GFA-565 turn-on BUMP
  52. Plinius power amp
  53. DC offset/Blocking Caps for my preamp
  54. ONIX OA21 and SOAP Connection
  55. HPPA amplifier (Bert Molenkamp)
  56. newbie question - replacing caps
  57. small signal transistor
  58. Yamaha M-60 bias issue
  59. Phase-splitter using ONLY NPN transistors - any ideas?
  60. Adcom GF 555 Mk II , oppinions ?
  61. Crown M600 ...........
  62. Linn LK-1
  63. What do you look for in the distortion spectrum?
  64. Self balancing multiple MOSFET output transistors.
  65. Adcom GFA-555 MKii blown channel checklist?
  66. NTE transistors-->> Backwards from original case layout!! What the heck!
  67. Muting Relay ..... buzzing
  68. Loud pop on Squelch
  69. Current-feedback amp, 150 a 200 watt.
  70. Is there a cheap way to reproduce 400 W @ 8-ohms?
  71. MIMPS? crown Transistor matching
  72. Audiolab 8000s Fault
  73. Kaneta method's all FET power amplifier
  74. amp guts
  75. Hafler TA-1100 Thread
  76. Any Wiki or FAQ here on how Power Amps work?
  77. transformer volume control (TVC)
  78. Temperature in transistors
  79. Audiolab 8000a fuse
  80. Power transformers versus amplifier output power..what is your option?
  81. How to find the size on a fuse to "Soundstandard MA3600" ?
  82. replacement for Bidirectional Switch MBS4991 and Triac 2N6346A
  83. HiFI OP-AMPs, BJTs, and FETs how do I choose them?
  84. Finding pre-amp output in mini system
  85. Amplifier is a piece of wire
  86. Need help finding replacement parts
  87. AB outputstage
  88. new amp total mosfet
  89. rotel ra 820
  90. Addressing John Curl's concerns on low noise designs
  91. adcom gfa 565 looking for references
  92. Bogen CT100 speaker hookup
  93. Slight balance drift ... Help please
  94. Vincent SP-331 Circuit diagram
  95. Repair Rotel RX550?
  96. Voltage Drop Based On The Load
  97. Single-ended mosfet-tube follower
  98. Is there a more modern transistor than a MJE181-171
  99. looking to make a higher end portable 12v amp,sugg.?
  100. 80 s pioneer amp SA540
  101. clearing up confusion about earthing
  102. Need data on mosfet
  103. amplifier protection
  104. Reparing Mcintosh MC7150
  105. Unity Gain op amp circuit?
  106. Need some advice rebuilding/upgrading 2 power amps.
  107. JBL eon15 g2 schematics reqd
  108. ncc 200 questions
  109. A superior VAS clamp and VAS current limit for the Blameless.
  110. which output transistor?
  111. Spectro Acoustics 500 problem
  112. IntregalOverloadOutput on a G R Sloane Amp
  113. Sick Carver M-1.0t amp: bad caps?
  114. crimson ck1010 preamp
  115. Blown PA
  116. Passive preamp and biamp
  117. Negative feedback take off point
  118. Use of diode in projects M-Levision
  119. little copper posts?
  120. PTC Behaviour
  121. 3-way passive speaker impedance linearisation
  122. brother of quasi /2SC3284
  123. help: preamp hum
  124. NAD 7100 / 3100 - one channel louder than the other
  125. Power dissipation and resistors...noob here
  126. Why inverting is best
  127. Looking for documention about Quad current dumping
  128. LME49811 front-end for Gilmore amp?
  129. Acoustic 160 adjustments
  130. Apt Holman Pre (mod/ restore)
  131. LME49830 burning
  132. VBE multiplier
  133. DJK - Questions on old design.
  134. General power amplifier stability discussion (using Spice)
  135. IRF510 and IRF9510 replacement?
  136. 6 Channel Volume Control
  137. Mcintosh C28
  138. Harmon/Kardon AVR 35 service manual?
  139. Szekeres with IRF3205?
  140. Class A amp and Minipod speakers
  141. suggestions - Amp Fig11.12 (Slone)
  142. VI limiters
  143. uPC2581V ???
  144. Lm391 N100
  145. A ...carver Question ....
  146. Darlington VAS stage with optimized C dominant pole?
  147. Cambridge audio A500 amp with broken right channel
  148. Pioneer SA-6500II - Balance problem?
  149. Source for Gold plated Bayonet Panel Fuse holders?
  150. Solid State 110V to 220V transformer affects audio?
  151. Vibrator - what type of output stage do I need?!
  152. SOA Old Vintage Xtors Vs new MJ21195/6
  153. Repairing Cello Encore 1M Line Pre
  154. Anyone have a schematic for the old Borbely 60W MOSFET Amp
  155. Need data on ITS31129
  156. ZCA 5 watt mosfet amp
  157. Hafler DH-220 Buzz
  158. Mcintosh parts replacement cross-reference
  159. Thermally and electrically conductive paste?
  160. 2sb1254-2sd1894
  161. Turning a small AC analog signal into DC
  162. 12BH7 in an swr sm900???
  163. Push and pull power amplifier
  164. Headphone and speaker out
  165. HDAM / Diamond Buffers Q
  166. adcom gfa555 question
  167. TI's audio product lineup advert
  168. Hafler DH 200 musical concepts mod
  169. Self-biasing class AB input stage
  170. Newbie needs advice - Perreaux PMF1850 lamp replacement?
  171. Smoke Emitting Amplifier--Not Good--Need Help
  172. Cambridge Audio A5 Amplifier Repair
  173. Multi-channel Ground Lift
  174. Help with Hafler Pro1200
  175. Output DC offset.
  176. Small signal, low thresh-hold voltage MOSFETs
  177. LEM PROCON 2200 PLUS Schematics
  178. Marantz 1030 urgent help needed!
  179. Question on subwoofer circuit
  180. Superphon Revelation pre amp
  181. BD829-30 as drivers and VAS
  182. Cheap Mosfet amps popping up on ebay for song. Any input???Please Comment
  183. pioneer a 605r power amplifier
  184. hybrid will it work?
  185. Hey audioman54!
  186. Resistor instead of Cap in HK347
  187. How to determine VA rating of Trans
  188. pioneer a 605r power amplifier
  189. forum member nordic
  190. Need help with a push pull amplifier problem
  191. MT200 replacements for MJ15003 and MJ15004
  192. FETish: ultra-simple transconductance amp
  193. A different Class A Power Amp - Current Feedback
  194. Could i asuk some question about this Power AMP?
  195. replacement for MPSA13 and MPS3394
  196. Borrowing +/-15V from receiver for pre-amp
  197. 50W, Class A, another one... :)
  198. Cracking/Static in Pre-Amp
  199. Power Mod from 100V to 200V on MC2105
  200. Accuracy of Dual Gang Pots
  201. Mccormack DNA-1 power amp
  202. B&K ST125.1 amplifier
  203. hassles with 15" PA speaker
  204. What amp?
  205. Tecnhics!!!
  206. What makes the best wide world amplifier..how to detect the one!
  207. Adcom GFA-555 mk2 left slight cracking in high freq
  208. Does anybody know Australian Monitor?
  209. Carver CT-6 pre-amp service manual?
  210. How to set up FFT Analyzer
  211. understanding thermal cutoff
  212. classe ca 400 output transistor
  213. Fast recovery diodes help / advice please ?
  214. What's this Amplifier Design
  215. A sick Carver M-200t gets medicated
  216. replacement/substitute for MC1436P1
  217. c-audio sr606 and sr808 power amps
  218. Doxa 70 Clone
  219. Yamaha HCA circuit
  220. Amplifier suggestion please
  221. Mark Houstons ZCA
  222. Cyrus Power failure - help?
  223. Recapping PS in a Hafler DH-101
  224. minus 25 on output mosfet amp
  225. Threshold FET 10e Manual
  226. commercial interest
  227. New Amplifier - ULD Extreme
  228. Strange bias drift while cooling
  229. Mixer preamp modifications
  230. ceramic capacitors ....
  231. Long Tail Pair Linearizer
  232. capacitor placement question
  233. Sumo Andromeda restoration
  234. Yamaha T-85 Fm tuner mods.
  235. Cambridge audio A5 integrated amplifier schematic
  236. C-Audio XR3801 Help
  237. Would it be nice to have constant current on the output transistors ?
  238. Suggestions for high current CCS?
  239. Need Rega Elex Schematics
  240. part subs
  241. Phase Linear 700 question ?
  242. Sony Vfet
  243. irfp250 application
  244. Limiting the bandwith of a current mirror
  245. Nytech 252
  246. Hafler DH220 problem
  247. Passive preamp before an integrated (?) amp
  248. NE5517 Equivalent replacement
  249. tube-like SS power amp
  250. paper on supply decoupling

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