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  1. QUAD 303 rectifier ?
  2. Anyone know specs fot MT9680 transistor
  3. Recycled symetric mirror, improov mee.
  4. Any good 9v to 16v amplifier project?
  5. Onkyo receiver loses its settings
  6. Adding speaker protection for Adcom GFA-645
  7. Noise in Adcom GFA5200
  8. Headphone output tweaks
  9. adcom GFA555MkII
  10. Advice for recaps for Denon POA 6600 monoblocks
  11. a very very weird problem
  12. 2.1 DIY amp suggestions
  13. Assistance with late issue Cyrus One. Repair output stage and eventual upgrade.
  14. adcom 5500 channel failure
  15. Oscilloscope test shows intermittent ghosting/echo of original sine wave in Onkyo Amp
  16. Marantz amp problem
  17. Sansui AU 5900 dead channel
  18. Technics SU-C04 issues
  19. CFA vs VFA and marketing bs
  20. Transistor pairing and bootstrapping output lfets
  21. Mystery heat shrinked components on NAD 3155
  22. 75W BJT amplifier "Mona"
  23. DC Offset issue with Adcom GFA-5500
  24. 2sc5200 400 watt mono amp not working !!
  25. Sherwood RV5030R processor
  26. Possible way to get more output from a transistor than normally?
  27. classe dr15
  28. Counterpoint SA-220 Capacitor Question
  29. symetric bootstrapping and a simple question
  30. Output inductor
  31. Please help me how to handle this repair shop
  32. Quad 303 supressor values?
  33. Rega Maia Stereo Power Amp blowing one fuse, where to start testing? (beginner)
  34. Pioneer SX-6000 clone
  35. Technics SU-Z650 schematics
  36. Is heatsink required for 100W amplifier?
  37. Second opinions needed on a Luxman L-215 mod.
  38. Help needed fixing blown amp please
  39. Please help to figure out - mini-PCB attached to Amp-Output
  40. Akai AA-1020 burning resistor woe!
  41. AEM 6000 ready to build
  42. ADCOM GFA-5500 please help..
  43. S-70: Turn-On Shock Reduction
  44. Conrad Johnson MF2100 - Anyone own one?
  45. Sansui Solid State 3500 Hum in one channel
  46. ADCOM GTP-400 Channel cuts out
  47. Marantz PM711AV
  48. Newbie with a Nad 214
  49. Non linear power
  50. looking for a compact ~1W 8ohm transistor amplifier design
  51. Dumb Question about Crown XLS402
  52. component magnetic field interactions
  53. Mcintosh C200 service manual : why it is so hard to get it from Mcintosh ?
  54. NAP-140 Clone kit test & failure
  55. Oscillating opamps in the input section (newbie asks)
  56. VBE iMROVED
  57. Mosfet threshold temperature coefficient
  58. Help with bias adjusting on Kenwood KA 2500
  59. Technics SU-V8X bias adjustment
  60. [HELP] Nakamichi TA-2A issues
  61. need help finding a couple transistors
  62. Which 6ch(+) amp for 3 way active setup ?
  63. Is this good ?
  64. damping heatsink fins
  65. Hafler DH-500 Now both channels bad!
  66. New Amp on Study
  67. Burn in question
  68. jc-1 pwr amp
  69. Pioneer SA-9500 No sound one phono channel
  70. I want to create a transistor multivibrator.
  71. Is the filter caps bad?
  72. TA-3A issue with gain
  73. lcd vu-meter
  74. Creek CAS 4140 (not S2) schematic
  75. current vs voltage transistor amplifier?
  76. Yamaha CR-840 Advice
  77. 100-200watts discrete amplifier
  78. Weird driver cooling approach
  79. ESP P101 using rod pcb very strange oscillation issue
  80. ANALOGUE H-BRIDGE MONSTER
  81. Well grounded help
  82. phase linear 400 amplifier
  83. Amplifiers for the musical truth.
  84. Need help with amp
  85. Marantz PM 6010 OSE amp not working
  86. pioneer PA0016
  87. Power transformer choice
  88. Class A or AB
  89. Pioneer A-616 worth restoring?
  90. Matching NPN and PNP power transistors
  91. ferrite-cored output inductor on a class AB amp?
  92. 111c isolation transformers
  93. output stage with both NPNs
  94. Amplifier repair in NY
  95. Small basic preamplifier - how to determine the operating voltage?
  96. hv transistors for ltp ??
  97. Sansui Au 222, Powertransformer 4005317 Equivalent
  98. fjl4215/4315 VS MJL4281/4302
  99. Cyrus 2 eBay purchase
  100. Forte Model 5 mods??
  101. QUAD 405 Lower input sensitivity to 1.5V
  102. What Do you call this Fiberoptic Gadget?
  103. BA283 AM Biasing Trimpot Issue?
  104. Parasound A51 PSU Connections
  105. Ancient NAD 114 stereo preamplifier service manual?
  106. Hissing changes with input
  107. Bi-amping with integrated and power amps
  108. Luxman L-405 : how to split pre-from out stage
  109. Help with Elektor High End Amp
  110. Cambridge SAPs and Fuses blowing
  111. Need Advice on Capacitor Replacement + Other
  112. please help amp clip
  113. VAS Stage
  114. Need BGW 100B schematic
  115. Musical Fidelity E11 needing second repair
  116. Rockford Fosgate T3002 Protect mode
  117. T039 spacer
  118. Slight distortion in power amplifier
  119. power supply interaction question
  120. Zobel Network
  121. Has my Marantz 2238 died ?
  122. What does more power get you?
  123. PCBs for Stochino's Amp
  124. SonyClone(pre)AMP by viktor1986,Dragan100 and APEX
  125. Traynor PS600
  126. 'Typical music' relating to SOA?
  127. 1943-5200 temperature issue
  128. NAD 3130 Preamp section faulty
  129. very good mosfet design failure
  130. Op amp change Carver AV-806x Amplifier. NJM4558DD > NE5532AP
  131. double-darlington transistor stages and diminishing returns?
  132. class h
  133. Mcintosh MC2200 recap
  134. What is normal DC Ofset on nakamichi PA-1
  135. Zener MTZ5.6B replacement
  136. BGW 250d
  137. Anyone knows about WANGINE electronics?
  138. Onkyo A-809 capacitor replacement
  139. compensation cap recommendation? is conventional Ceramic NP0?
  140. component grounding question
  141. Lateral MOSFETs
  142. Help fixing power line interference with car amp & power supply
  143. Caps for NAD C370, info needed
  144. Rega Brio 3 amplifier resistor question
  145. Nad c-326bee remote control problem
  146. min 100W amp for Dynacord Mosquito
  147. "Disappointing" DC-300a power measurements
  148. 6-channel-amplifier-grounding
  149. Odd Sumo The Nine Plus
  150. What single ended class A do you recommend ?
  151. NAD with faulty phono
  152. Current manufacturers who use MOSFET output for their amplifiers?
  153. A special Super-A class amplifier
  154. Vintage Technics SU-C01 gain/sensitivity mod?
  155. Damping factor explained - or not?
  156. Small amp <5w for portable radio
  157. Identify parts
  158. Counterpoint SA-100 TR?
  159. Winfield's 100W DC-10MHz 1000V/us amplifier
  160. IRFP240/9240 Amplifier (simulated on TINA)
  161. Reduced output from Marantz 1060
  162. Sherwood S8900
  163. Anthem MCA 20 - Powers on but no sound
  164. Adcom 555ii rebuild
  165. Help w/ NAD 3020e
  166. output stage for direct contact with the heatsink without mica/silicon washer
  167. Proton D540
  168. Rotel RA-971 repair
  169. preamp gain
  170. burnt voice coil damages amp?
  171. Hafler DH 500 vs Adcom 555mkii vs Emotiva XPA-2
  172. Denon DRA-1035R Dilemma
  173. Benytone A60 - looking for docs
  174. My JLH Class A circuit mods any good ?
  175. Power amplifier with multiple 2SA1943/2SC5200 transistor pairs
  176. amp oscillating , possible ground loop
  177. Lateral Mosfet amplifier circuit
  178. Vintage amps vs new amps
  179. Pioneer SX-1080 Crackling
  180. First go at SMD pcb for 300 watt mosfet amplifier.
  181. Yet Another Adcom GFA-565 Thread
  182. Modify Crown macrotech 2400 110v 60hz to 220v 50hz!
  183. Marantz PM711AV
  184. Mundorf Mlytics AG 2 pole vs 4 pole
  185. Nichicon ES Bipolar cap location in the amplifier?
  186. high power test load for amplifiers
  187. Looking for HH electronics schematics
  188. Help finding a transistor with EBC pinout.
  189. An almighty idea for efficient 8-transistor amplifier?
  190. Crown IT 12000 HD
  191. Help figuring out what replacement power transformer I need
  192. Volume pots for solid state amps, Ohms?
  193. SeeA amplifier (Single end/energy-effective A)
  194. Power Amplifier with Small Signal OP-Amp in the Front-End - Overview wanted
  195. Successor for Bulgin Power Connector wanted - used in Linn LK2-80/Spark
  196. Frankenstein NGNFB Amp
  197. step up transformer on mosfet source follower ?
  198. Still another mj15003 ampli
  199. HEC amp
  200. High performance audio opamps that are currently in production
  201. Suggestion on chip (IC) preamplifier
  202. Sansui AU-919 Out put transistor replacement .
  203. AB amplifier is oscillating. seeking critique
  204. HH ic 100 schematic
  205. Class A amplifier project using ready built circuits.
  206. Creek 4140 headphone socket
  207. Info Jeff Rowland & Rowland Research model 7
  208. Marantz 1090 DC
  209. Strange offset behavior
  210. I need alittle help.
  211. Yamaha M45 Help Needed
  212. SWR Redhead Humm
  213. Sources other that ebay for DIY chassis with integrated heatsinks?
  214. Help With Klipsch KA-1000 blown amp
  215. Need help with Bias
  216. D.A.S Amplifiers
  217. Yamaha MX-1000 transistors
  218. Need Help With Transistor Substitution
  219. Vertical board to board connectors?
  220. Symtoms of bad caps???
  221. Hafler G-150 amplifier fried N-channel MOSFET
  222. Subwoofer amplifier modification for full range.
  223. Hiraga "Le Monstre" 8 W
  224. Single High power Mosfet for big Single Ended Amp ?
  225. Adding pre-outs to Luxman L-85V?
  226. DN2540 Power Amp
  227. Superphon DM Two Hundred specs needed
  228. Studio Master 2.0
  229. Problems with Quad 909 (606)
  230. Here is an Accuphase AD-9 schematic
  231. Crown D-150
  232. Industry Standard resistor distortion test?
  233. Ways to reduce sensitivity of darlington pair
  234. MosFET amp with ECW20N20Z
  235. CUB the Current Mirror Buffer
  236. good specs for a new(?) design
  237. Power Amp Measurements - Do these look good?
  238. SWTPC Tiger 207/A bias adjustment
  239. PR-800 ClassA/AB Amplifier Kit
  240. Adcom GTP-500 II Phono section issue
  241. 100W 4Ohm load Amplifier Design
  242. Forte Model 2 schematics, manual, mods
  243. Adcom GFA 545 II mods
  244. Poweramp distortion
  245. 0v Bias - Trimpot has no effect
  246. Bryston 2B recap
  247. Marantz PM66SE, 230v...rewire for 110v?
  248. AV receiver as pre-amplifer?
  249. Subwoofer feed from a Nakamichi AV-10?
  250. High DC Offset in Primare A30.2 Power Amp

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