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  1. Opamp for low-voltage supplies
  2. Preventing relay thumps
  3. odyssey stratos
  4. Converting a B&K Receiver to a Power Amp
  5. need help with some old ss amps
  6. Hafler Five Hundred problem
  7. OPA604-again - but the offset is -18v!!!!
  8. Quad 405 modules - output voltage varies!
  9. Looking for Feedback on this No Feedback Amp.
  10. First DIY solid state amp
  11. Another power amp - Adastra
  12. Best Mos Fet PA3000 amp?
  13. Sansui AU7900 Integradted Amplifier
  14. Help with Yamaha P2500 power amp
  15. eine fantastische Verstärker/Endstufe
  16. Service manuals
  17. Rectifying Diodes 4007s
  18. Soft start for class AB
  19. My Sumo appears dead....
  20. I had an idea...maybe a brainstorm result..some neuroniuns re-started to work
  21. Vintage-style Volume Meter - Where to buy ?
  22. Seeking for advice: routing/physical layout
  23. DIY Amplifier recommendations
  24. Rotel Ra-931
  25. Higher output of TL082
  26. Memorable Solid State experiences
  27. High current TO220 diodes
  28. Amp Design/what goes into building a great amp
  29. DIY Sub amp recommendations
  30. RCA 1972 Basic amplifier MODS
  31. Who can explain this preamp circuit to me?
  32. Substitute 2N3055/2955
  33. Amp sim output load capacitance, how much?
  34. Nikko Beta Ii
  35. A little help choosing an amp
  36. Return of my differential VAS
  37. Heatsink for an I-PAK / TO-251 device ?
  38. CHOKE Loaded MOSFET, easy to build
  39. DS446 Diode ?
  40. SUMO Polaris Class A/B Stereo Power AMP (New to the Board)
  41. phonic service manual?
  42. Athens Audiophile Club
  43. Njl3281d
  44. Replacements for 2sa747a transistors
  45. Sherwood was a passion into my past..when i was young
  46. Sansui BA-5000 Oscillation
  47. NAD 3130, more to love?
  48. The greatist - AD745 psrr Versus AD797
  49. JVC A-S3 service manual
  50. an old HK6200 worth repairing?
  51. GKlein - K12A facts & figures and ideas in Class A
  52. ESP 60 watts
  53. Variable operating biass output ?
  54. Nakamichi CA-5 hum/buzz and does anyone have the schematics/service manual?
  55. NAD 3020i repair help?
  56. +/- rail electrolytic caps - need to be identical
  57. Setting power amp so speakers don't blow (help a novice)
  58. How do you match your LTP transistors?
  59. Parasound 1200 II left channel static and....
  60. AB Amp keep blowing fuse
  61. OPA2227 chips
  62. Audio Innovations Alto
  63. Dx amplifier, builder's thread
  64. Schematic for Belles 150A
  65. Bypass caps values advice
  66. Current source conundrum
  67. Anybody used a FPAA (field programmable analog array)?
  68. 2SC5200/2SA1943 Toshiba or Fairchild
  69. new ampli with IRF240
  70. Internal Image of qsc
  71. Unbalance Collector Emitter voltage both pnp and npn
  72. Looking for Tapco CP500 Schematics
  73. Toshiba trannies from ebay
  74. 3T HeadPh Amp. JFET-BJT-MOSFET
  75. Replace old ceramic caps advice
  76. want to make a attenuator
  77. Fore MJL21193/94 driver curcuit needed
  78. NAD 7020i - pre-amp power supply issue
  79. suitable bypass cap
  80. 2sa1016/2sc2362
  81. Chinese "knock off" kits from ebay
  82. Switching current source for Class A?
  83. Nakamichi SR-4 not powering up
  84. Open loop gain, phase margin etc
  85. Need Help!!! Switching Op-amps In Preamp Gas Thoebe
  86. Yamaha P4500
  87. Akai AM-U7
  88. IRFP240/9240 amp Schematics
  89. 400W Power Amplifier
  90. Starting Balanced CFP!
  91. Attenuator
  92. Do you know the reason why so big voltage to the input circuit?
  93. Do you know what this capacitor is doing there?
  94. What is the capacitor from base to collector for?
  95. MM Electronics Paice amps???
  96. PCB for Bernd Ludwig's modified Quad 405 circuit
  97. 2sa1494 replacements ?
  98. Need replacement for devices GET 4871 and SCR 2N4442 in Vintage PA Amp
  99. Rotel RB1080 - Injured, needs consulting specialist
  100. Commercially available current dumping amps?
  101. NAD 3020 clone
  102. york ville amplifier
  103. Exposure IV blown channel
  104. Volume level mismatch using MOSFET output device?
  105. Dukane line in/speaker out help
  106. Introduction and Help...
  107. Moding this phono preamp ?
  108. transformer question
  109. darlington transistor LTspice model ?
  110. Crest ST2000 scheme for Power Supply
  111. Professor smith needs help
  112. hafler dh200 blew speaker?
  113. Selector Switch Pop - Newbie Question
  114. Transistor as a Switch, is this correct?
  115. JFET sorting by Ron?
  116. Hiraga
  117. Convert Or Add XLR Inputs To Power Amp?
  118. Left channel broken on NAD reciver...
  119. CELLO Duet 350 supply conversion
  120. The "Volksamp" - NAD 3020
  121. Luxman C 02
  122. "stop" line on sony receiver
  123. Dukane 1a803
  124. Musical Fidelity X-A200 upgrade quandry
  125. PS Audio Linear Control Center and Phono III
  126. What kind of solder do you guys like to use?
  127. noob question about B-1000 sansui
  128. LT-spice VS Eagle... CAD cooperation...
  129. Opamp compatibility
  130. Pioneer A-445 help needed
  131. mini-mosfet
  132. need scmh. for europower pmh660m
  133. interesting amplifier schematic
  134. Cyrus III+PSX-R problem. Anyone knows?
  135. Luxman L100 vintage sound
  136. substitute for IC1003 in ciclotron schematics
  137. Stage output, driver oscillating
  138. Help needed with Musical Fidelity P270 II electrical problem
  139. Pioneer M5
  140. Nad 304 Protection Mode
  141. Amplifier circuit questions~
  142. Pioneer SX-838 problem
  143. Problem with Exposure 2010s
  144. Can someone tell me how this works?
  145. Crackling from a solid state circuit
  146. HELP! Adcom GFA-565 turn-on BUMP
  147. Plinius power amp
  148. DC offset/Blocking Caps for my preamp
  149. ONIX OA21 and SOAP Connection
  150. HPPA amplifier (Bert Molenkamp)
  151. newbie question - replacing caps
  152. small signal transistor
  153. Yamaha M-60 bias issue
  154. Phase-splitter using ONLY NPN transistors - any ideas?
  155. Adcom GF 555 Mk II , oppinions ?
  156. Crown M600 ...........
  157. Linn LK-1
  158. What do you look for in the distortion spectrum?
  159. Self balancing multiple MOSFET output transistors.
  160. Adcom GFA-555 MKii blown channel checklist?
  161. NTE transistors-->> Backwards from original case layout!! What the heck!
  162. Muting Relay ..... buzzing
  163. Loud pop on Squelch
  164. Current-feedback amp, 150 a 200 watt.
  165. Is there a cheap way to reproduce 400 W @ 8-ohms?
  166. MIMPS? crown Transistor matching
  167. Audiolab 8000s Fault
  168. Kaneta method's all FET power amplifier
  169. amp guts
  170. Hafler TA-1100 Thread
  171. Any Wiki or FAQ here on how Power Amps work?
  172. transformer volume control (TVC)
  173. Temperature in transistors
  174. Audiolab 8000a fuse
  175. Power transformers versus amplifier output power..what is your option?
  176. How to find the size on a fuse to "Soundstandard MA3600" ?
  177. replacement for Bidirectional Switch MBS4991 and Triac 2N6346A
  178. HiFI OP-AMPs, BJTs, and FETs how do I choose them?
  179. Finding pre-amp output in mini system
  180. Amplifier is a piece of wire
  181. Need help finding replacement parts
  182. AB outputstage
  183. new amp total mosfet
  184. rotel ra 820
  185. Addressing John Curl's concerns on low noise designs
  186. adcom gfa 565 looking for references
  187. Bogen CT100 speaker hookup
  188. Slight balance drift ... Help please
  189. Vincent SP-331 Circuit diagram
  190. Repair Rotel RX550?
  191. Voltage Drop Based On The Load
  192. Single-ended mosfet-tube follower
  193. Is there a more modern transistor than a MJE181-171
  194. looking to make a higher end portable 12v amp,sugg.?
  195. 80 s pioneer amp SA540
  196. clearing up confusion about earthing
  197. Need data on mosfet
  198. amplifier protection
  199. Reparing Mcintosh MC7150
  200. Unity Gain op amp circuit?
  201. Need some advice rebuilding/upgrading 2 power amps.
  202. JBL eon15 g2 schematics reqd
  203. ncc 200 questions
  204. A superior VAS clamp and VAS current limit for the Blameless.
  205. which output transistor?
  206. Spectro Acoustics 500 problem
  207. IntregalOverloadOutput on a G R Sloane Amp
  208. Sick Carver M-1.0t amp: bad caps?
  209. crimson ck1010 preamp
  210. Blown PA
  211. Passive preamp and biamp
  212. Negative feedback take off point
  213. Use of diode in projects M-Levision
  214. little copper posts?
  215. PTC Behaviour
  216. 3-way passive speaker impedance linearisation
  217. brother of quasi /2SC3284
  218. help: preamp hum
  219. NAD 7100 / 3100 - one channel louder than the other
  220. Power dissipation and resistors...noob here
  221. Why inverting is best
  222. Looking for documention about Quad current dumping
  223. LME49811 front-end for Gilmore amp?
  224. Acoustic 160 adjustments
  225. Apt Holman Pre (mod/ restore)
  226. LME49830 burning
  227. VBE multiplier
  228. DJK - Questions on old design.
  229. General power amplifier stability discussion (using Spice)
  230. IRF510 and IRF9510 replacement?
  231. 6 Channel Volume Control
  232. Mcintosh C28
  233. Harmon/Kardon AVR 35 service manual?
  234. Szekeres with IRF3205?
  235. Class A amp and Minipod speakers
  236. suggestions - Amp Fig11.12 (Slone)
  237. VI limiters
  238. uPC2581V ???
  239. Lm391 N100
  240. A ...carver Question ....
  241. Darlington VAS stage with optimized C dominant pole?
  242. Cambridge audio A500 amp with broken right channel
  243. Pioneer SA-6500II - Balance problem?
  244. Source for Gold plated Bayonet Panel Fuse holders?
  245. Solid State 110V to 220V transformer affects audio?
  246. Vibrator - what type of output stage do I need?!
  247. SOA Old Vintage Xtors Vs new MJ21195/6
  248. Repairing Cello Encore 1M Line Pre
  249. Anyone have a schematic for the old Borbely 60W MOSFET Amp
  250. Need data on ITS31129

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