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  1. Adcom GFA 535 Clicking on Power Up and Down
  2. BD139/140 driver
  3. Need help understanding differential input stage
  4. Cambridge Audio ATAC 3
  5. An Introduction and Laney Bass Amp Question
  6. Monlithic transistor IC for input stage design?
  7. Symasym - the next generation (supersym)
  8. Do you measure component temperatures?
  9. Yamaha RX-797 problem...opinions?
  10. 2108 / can I ask this here?
  11. Watt meters
  12. Old Sansui gear worth repairing?
  13. I think I understand CCSes now...time for application
  14. Full Cascode Amp or Not?
  15. Amplifier
  16. Nikko Alpha Ii Schematic
  17. TGM2 amplifier
  18. Dynacord eminent 100
  19. HELP: repair my ML 38s
  20. Paper clips as TO-220 heat sinks
  21. Calibrating microphones and speakers
  22. Bypassing electrolytics - GOOD or EVIL ?
  23. Powermate 600
  24. amp reverse..
  25. HELP Trio L07M11
  26. Opamp for low-voltage supplies
  27. Preventing relay thumps
  28. odyssey stratos
  29. Converting a B&K Receiver to a Power Amp
  30. need help with some old ss amps
  31. Hafler Five Hundred problem
  32. OPA604-again - but the offset is -18v!!!!
  33. Quad 405 modules - output voltage varies!
  34. Looking for Feedback on this No Feedback Amp.
  35. First DIY solid state amp
  36. Another power amp - Adastra
  37. Best Mos Fet PA3000 amp?
  38. Sansui AU7900 Integradted Amplifier
  39. Help with Yamaha P2500 power amp
  40. eine fantastische Verstärker/Endstufe
  41. Service manuals
  42. Rectifying Diodes 4007s
  43. Soft start for class AB
  44. My Sumo appears dead....
  45. I had an idea...maybe a brainstorm result..some neuroniuns re-started to work
  46. Vintage-style Volume Meter - Where to buy ?
  47. Seeking for advice: routing/physical layout
  48. DIY Amplifier recommendations
  49. Rotel Ra-931
  50. Higher output of TL082
  51. Memorable Solid State experiences
  52. High current TO220 diodes
  53. Amp Design/what goes into building a great amp
  54. DIY Sub amp recommendations
  55. RCA 1972 Basic amplifier MODS
  56. Who can explain this preamp circuit to me?
  57. Substitute 2N3055/2955
  58. Amp sim output load capacitance, how much?
  59. Nikko Beta Ii
  60. A little help choosing an amp
  61. Return of my differential VAS
  62. Heatsink for an I-PAK / TO-251 device ?
  63. CHOKE Loaded MOSFET, easy to build
  64. DS446 Diode ?
  65. SUMO Polaris Class A/B Stereo Power AMP (New to the Board)
  66. phonic service manual?
  67. Athens Audiophile Club
  68. Njl3281d
  69. Replacements for 2sa747a transistors
  70. Sherwood was a passion into my past..when i was young
  71. Sansui BA-5000 Oscillation
  72. NAD 3130, more to love?
  73. The greatist - AD745 psrr Versus AD797
  74. JVC A-S3 service manual
  75. an old HK6200 worth repairing?
  76. GKlein - K12A facts & figures and ideas in Class A
  77. ESP 60 watts
  78. Variable operating biass output ?
  79. Gibson GSS-50 Reverb Tank question
  80. Nakamichi CA-5 hum/buzz and does anyone have the schematics/service manual?
  81. NAD 3020i repair help?
  82. +/- rail electrolytic caps - need to be identical
  83. Setting power amp so speakers don't blow (help a novice)
  84. How do you match your LTP transistors?
  85. Parasound 1200 II left channel static and....
  86. AB Amp keep blowing fuse
  87. OPA2227 chips
  88. Audio Innovations Alto
  89. Dx amplifier, builder's thread
  90. Schematic for Belles 150A
  91. Bypass caps values advice
  92. Current source conundrum
  93. Anybody used a FPAA (field programmable analog array)?
  94. 2SC5200/2SA1943 Toshiba or Fairchild
  95. new ampli with IRF240
  96. Internal Image of qsc
  97. Unbalance Collector Emitter voltage both pnp and npn
  98. Looking for Tapco CP500 Schematics
  99. Peavey Mark III Bass 400 B/G? PA Problem
  100. Toshiba trannies from ebay
  101. 3T HeadPh Amp. JFET-BJT-MOSFET
  102. Replace old ceramic caps advice
  103. want to make a attenuator
  104. Fore MJL21193/94 driver curcuit needed
  105. NAD 7020i - pre-amp power supply issue
  106. suitable bypass cap
  107. 2sa1016/2sc2362
  108. Chinese "knock off" kits from ebay
  109. Switching current source for Class A?
  110. Nakamichi SR-4 not powering up
  111. Open loop gain, phase margin etc
  112. Need Help!!! Switching Op-amps In Preamp Gas Thoebe
  113. Yamaha P4500
  114. Akai AM-U7
  115. IRFP240/9240 amp Schematics
  116. 400W Power Amplifier
  117. Starting Balanced CFP!
  118. Attenuator
  119. Do you know the reason why so big voltage to the input circuit?
  120. Do you know what this capacitor is doing there?
  121. What is the capacitor from base to collector for?
  122. MM Electronics Paice amps???
  123. PCB for Bernd Ludwig's modified Quad 405 circuit
  124. 2sa1494 replacements ?
  125. Need replacement for devices GET 4871 and SCR 2N4442 in Vintage PA Amp
  126. Rotel RB1080 - Injured, needs consulting specialist
  127. Commercially available current dumping amps?
  128. NAD 3020 clone
  129. york ville amplifier
  130. Exposure IV blown channel
  131. Volume level mismatch using MOSFET output device?
  132. Dukane line in/speaker out help
  133. Introduction and Help...
  134. Moding this phono preamp ?
  135. roland jazz chorus-55 amp repair
  136. transformer question
  137. darlington transistor LTspice model ?
  138. Crest ST2000 scheme for Power Supply
  139. Professor smith needs help
  140. hafler dh200 blew speaker?
  141. Selector Switch Pop - Newbie Question
  142. Transistor as a Switch, is this correct?
  143. JFET sorting by Ron?
  144. Hiraga
  145. Convert Or Add XLR Inputs To Power Amp?
  146. Left channel broken on NAD reciver...
  147. CELLO Duet 350 supply conversion
  148. The "Volksamp" - NAD 3020
  149. Luxman C 02
  150. "stop" line on sony receiver
  151. Dukane 1a803
  152. Musical Fidelity X-A200 upgrade quandry
  153. PS Audio Linear Control Center and Phono III
  154. Gallien Krueger 250ML overdrive.. (J406/J412???)
  155. What kind of solder do you guys like to use?
  156. noob question about B-1000 sansui
  157. LT-spice VS Eagle... CAD cooperation...
  158. Opamp compatibility
  159. Pioneer A-445 help needed
  160. mini-mosfet
  161. need scmh. for europower pmh660m
  162. interesting amplifier schematic
  163. Cyrus III+PSX-R problem. Anyone knows?
  164. Luxman L100 vintage sound
  165. substitute for IC1003 in ciclotron schematics
  166. Stage output, driver oscillating
  167. Help needed with Musical Fidelity P270 II electrical problem
  168. Pioneer M5
  169. Nad 304 Protection Mode
  170. Amplifier circuit questions~
  171. Pioneer SX-838 problem
  172. Problem with Exposure 2010s
  173. Can someone tell me how this works?
  174. Crackling from a solid state circuit
  175. HELP! Adcom GFA-565 turn-on BUMP
  176. Plinius power amp
  177. DC offset/Blocking Caps for my preamp
  178. ONIX OA21 and SOAP Connection
  179. HPPA amplifier (Bert Molenkamp)
  180. newbie question - replacing caps
  181. small signal transistor
  182. Yamaha M-60 bias issue
  183. Phase-splitter using ONLY NPN transistors - any ideas?
  184. Adcom GF 555 Mk II , oppinions ?
  185. Crown M600 ...........
  186. Linn LK-1
  187. What do you look for in the distortion spectrum?
  188. A Question Regarding Peavey's CS 800 Power Transformer
  189. Self balancing multiple MOSFET output transistors.
  190. Adcom GFA-555 MKii blown channel checklist?
  191. NTE transistors-->> Backwards from original case layout!! What the heck!
  192. Muting Relay ..... buzzing
  193. Loud pop on Squelch
  194. Current-feedback amp, 150 a 200 watt.
  195. Is there a cheap way to reproduce 400 W @ 8-ohms?
  196. MIMPS? crown Transistor matching
  197. Audiolab 8000s Fault
  198. Kaneta method's all FET power amplifier
  199. amp guts
  200. Hafler TA-1100 Thread
  201. Any Wiki or FAQ here on how Power Amps work?
  202. transformer volume control (TVC)
  203. Temperature in transistors
  204. Audiolab 8000a fuse
  205. Power transformers versus amplifier output power..what is your option?
  206. How to find the size on a fuse to "Soundstandard MA3600" ?
  207. replacement for Bidirectional Switch MBS4991 and Triac 2N6346A
  208. HiFI OP-AMPs, BJTs, and FETs how do I choose them?
  209. Finding pre-amp output in mini system
  210. Amplifier is a piece of wire
  211. Need help finding replacement parts
  212. AB outputstage
  213. new amp total mosfet
  214. rotel ra 820
  215. Addressing John Curl's concerns on low noise designs
  216. adcom gfa 565 looking for references
  217. Bogen CT100 speaker hookup
  218. Slight balance drift ... Help please
  219. Vincent SP-331 Circuit diagram
  220. Repair Rotel RX550?
  221. Voltage Drop Based On The Load
  222. Single-ended mosfet-tube follower
  223. Is there a more modern transistor than a MJE181-171
  224. looking to make a higher end portable 12v amp,sugg.?
  225. 80 s pioneer amp SA540
  226. clearing up confusion about earthing
  227. Need data on mosfet
  228. amplifier protection
  229. Reparing Mcintosh MC7150
  230. Unity Gain op amp circuit?
  231. Need some advice rebuilding/upgrading 2 power amps.
  232. JBL eon15 g2 schematics reqd
  233. ncc 200 questions
  234. A superior VAS clamp and VAS current limit for the Blameless.
  235. which output transistor?
  236. Spectro Acoustics 500 problem
  237. IntregalOverloadOutput on a G R Sloane Amp
  238. Sick Carver M-1.0t amp: bad caps?
  239. crimson ck1010 preamp
  240. Blown PA
  241. Passive preamp and biamp
  242. Negative feedback take off point
  243. Use of diode in projects M-Levision
  244. little copper posts?
  245. PTC Behaviour
  246. 3-way passive speaker impedance linearisation
  247. brother of quasi /2SC3284
  248. help: preamp hum
  249. NAD 7100 / 3100 - one channel louder than the other
  250. Power dissipation and resistors...noob here

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