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  1. question about mosfet direction
  2. Yamaha RX 495
  3. Veroboard Maplin Amp
  4. Adcom GFA-535 blowing main power fuse
  5. what is the difference between 2SC5200 and 2SC5200N
  6. Please check my heatsink estimate
  7. Multiple Feedback Filter Design doubt
  8. Musical Fidelity a3cr power amp modifications
  9. technics SU-7100 help
  10. Mounting amp upside down
  11. The Brief History of my life with SECA designs
  12. Technics SE-9060 vs multiple compŁarison?!
  13. OP amp driving MegaOhm load
  14. grounding issues with integrated amp
  15. AV Processor
  16. Hafler
  17. Yamaha RX-Z9 in protect mode
  18. LME49830 with ALF16N8P x 10 per rail
  19. Class AB Amp Questions.
  20. Anyone tried broskies "super triode" circuit to drive efficient sub?
  21. Arcam Alpha 2 Help/Advice
  22. Solid State Power Amplifier Kits (Modules) - Listening Tests wanted
  23. Surges and spikes
  24. About AV receiver as power amplifier?
  25. Pegeant AV-126-TR Projector
  26. Pcb request
  27. NAD 3020 recap
  28. Need information of preamps.
  29. Cambrige Azur 740A int amp Bias and offset adjustment ?
  30. Adcom ga-5802
  31. Speaker impedance with output transformer
  32. Pro Audio High Fidelity IPS
  33. Hi End 3 Band Tone Control DIY Kit - Bass Mid Treble
  34. Would this be a suitable replacement for 2sd675
  35. NG'ANYA: the art of entertainment
  36. Adcom GFP-555 upgrades from AudioXpress
  37. IRFP240 + IRFP9240 + EBAY...
  38. Pre amp for $1000.00 ???
  39. VA load - simple resistor or bootstrap
  40. EU transformer for an Hafler 9505 Transnova?
  41. Cambridge Audio A300 manual/schematics needed
  42. Double Barrel Leach underway
  43. hd amplifier bias
  44. Credo PMP154 question
  45. Rotel amp no IC version
  46. Balance control-where in the preamp chain should it go?
  47. A JIG for testing amplifier polarity
  48. Question on this schematic
  49. Haffler mosfet stuck on heat sink
  50. Left channel sometimes starts later on Marantz PM-54 II
  51. Technics SE-C01 power amp
  52. Query on BF471 as VAS
  53. Restoring old 2N3055 based amp, need advice
  54. based on Graham Dicker DIGI amp
  55. 4 watt no-gnf hybrid
  56. Is low differential input impedance of opamp not important?
  57. nad amp 701
  58. Little help with this amp please.
  59. Revisiting some "old" ideas from 1970's - IPS, OPS
  60. denon pma 260
  61. from DIY Indonesian Amplifier
  62. Soundstream D200 clone,few hours,nice sound
  63. Lampizator - Fetishizator
  64. Sinclair schematics
  65. nad 701
  66. Onkyo A-9155 - no sound but power
  67. Oliver Offset Optimiser
  68. Is discrete better than chip op amp
  69. Parasound HCA-1000A No Sound
  70. Where to measure the bias on P180?
  71. Popping sound from Left Channel of Marantz PM7002
  72. IC preamp vs discrete preamp - Different?
  73. Crest VS900 burning hot resistor R92
  74. Adcom 5400: using lower capacitance caps
  75. Help please Ne5532a op amp chip
  76. Symasym, opinions please.
  77. sub amp
  78. Low on bass SONY TAF530ES/TAF222ESR
  79. Shreek Protection at turn on
  80. Help w/Yamaha RX-550
  81. Suggestions Fuse Protection?
  82. Need advice on Power supply
  83. please check my work
  84. Nad C270
  85. Cambridge Audio A1mk3SE repair
  86. Picked up a beautiful, almost mint DC 300A. Now what?
  87. Power amplifier with 2n3055/mj2955-schematic
  88. Help with power supply repair
  89. Search Onix A-120 Schťmatic
  90. Apex BA1200 offset problem.
  91. Film caps are directional as well?!
  92. Sony TA 3120A
  93. Strange Amp Design?
  94. Question regard japanese voltage amp in us
  95. Large offset and large differential input to input pairs... but amp works..?
  96. amplifier TDA7294 + power supply smps
  97. Required grounding scheme for zero 60/120hz hum.
  98. APEX HB 1200 TEF
  99. My etching tank made out of k'nex..... (serious)
  100. Which Fuses For My Nikko
  101. Audio PCB's with Sprint Layout ?
  102. So... should I build this?
  103. New type of Toshiba 2sc5200/2sa1943 or FAKE?
  104. Technics SU-V3 negative voltage at output!!!
  105. Noise in my stereo tda2003 amp
  106. Input capacitor question
  107. sansui B77 power amp
  108. Seek advice on simple & very good sounding class A/B output stage.
  109. Jfet complimentary input stage or Jfet LTP?
  110. Chassis Design using Mosfets
  111. Solid State Rail Fuse Replacement
  112. qinpu a3 doesn't relay click
  113. Assembled mosfet amplifiers from ebay
  114. Nakamichi TA-3A Sound Not Working
  115. Adding a Jfet input stage for the power amplifier improves sound quality?
  116. output voltage at speaker terminals
  117. Looking for schematic for Pioneer SX-40
  118. Sansui AU-4900 problem
  119. Techno SAP130 STD03P STD03N 130 Watt HiFI
  120. Need help setting idling current on old Philips amp
  121. blown amplifier channel (TDA2003)
  122. Single Ended Class A, No global feedback, 8W, MOSFET, low output Z
  123. Upgrades for Rotel RB-991 Power Amp
  124. Doxa 70 Signature Series Mk2 and BD245C/BD246C
  125. Darlington VSSA
  126. AB International 600LX Test Results
  127. Correct Naming for Pioneer/Akai Speaker Terminal used in Solid State Receivers wanted
  128. crest audio 8001 - input board details
  129. Alesis RA-500 troubles
  130. Crest Pro 9200 help
  131. Advent 300 stupid mistake
  132. Help with Kenwood M2A
  133. Emotiva DC-1 grounding mod
  134. Epsilon LT-model
  135. 2n3055 amplifier
  136. Marantz pm57
  137. How to make the PCB layout and routing better
  138. Miraculous Germanium Transistors from China
  139. Bose model 550
  140. Audio Research - A15 , Roterdam
  141. Luxman LV-105U volume pot
  142. Denon PMA-900V lowering gain/opamp swap
  143. problem with a Crest 8001 power amp
  144. LME 49710 opamp; difference in available types?
  145. C Audio TR 850 Schematics?
  146. Pioneer P4600 went dead after setting high volume
  147. Beginner trying to upgrade old speaker set with amp
  148. Parasound Amp - curious current overload
  149. Blown output transistors in Earth Original 2000
  150. Quad 306 -- Trouble shooting
  151. Adding shunt capacitor and resistor in zobel causes instability - Any ideas why?
  152. A power amplifier with 2SC2922SA1216
  153. super simple Jfet crossover
  154. Ampzilla Power Meter Schematic
  155. Pros and cons of using JFET input stage
  156. Negative 5 volt on Adcom 555 MK II
  157. Anyone help me with this amp?
  158. How to improve a Sunfire 300x2 amplifier?
  159. how to measure watt of an amplifier
  160. Unbalanced channels at low volume level.
  161. Diy stereo bluetooth portable speaker help
  162. the IPANEMA AMP
  163. Consonance Calaf, repairs and mods
  164. Strange problem with NAD 1020a pre-amp
  165. 2SJ74 NI Multisim model please
  166. Power Amp Front End with integr. OpAmp and Signal Pad by Power Supply Rail - Naming?
  167. Nakamichi RE-2 Receiver. Possible upgrades ?
  168. Thermal Track transistors bias stability at 25V 1Amp?
  169. Quad 303: setting 33.5V problem
  170. Yamaha RX-V690
  171. Luxman L1 problem
  172. Topaz Line 2 Power Conditioner
  173. question on speaker protection circuit
  174. Replacing low value electrolytics with film caps ?
  175. SCR for my Soundcraftsmen MA-5002
  176. What was this amplifier?
  177. Output impedance of Yamaha CA610ii headphone jack
  178. erno borbely super shunt regulator
  179. NAD 2200 power supply - time to recap?
  180. Parasound HCA-2200 service manual
  181. Yamaha CA-610ii
  182. Help with a dead Pioneer A-447
  183. Pioneer SA-7300 advice needed.
  184. Sanyo System 566 Right Channel Broke HELP!!!!
  185. Ask for help of this mosfet output amp
  186. Aux Audio power supply
  187. Please help me convert this amp
  188. Some questions about this kind of current source
  189. AZUR851A schematic (of amp PCB only) anyone?
  190. Tda1515bq amp portable speaker
  191. The Ultimate Amp??
  192. IC for Subwoofer?
  193. hifonics brutus brx2400.1d
  194. Upgrade Marantz PM-54 II phono stage
  195. Tesla NZC-431 Repair
  196. NJW0281G / NJW0302G instead of 2SC5200/2SA1943
  197. Fixed Bias (no bias control) and Upgrading Output Transistors
  198. How important is the preamp?
  199. Ask for help... buffer add to curcuit with DC servo becomes unstable
  200. Custom Heatsink
  201. Marantz 2230 weirdness.
  202. TO-220 output transistors for power amp
  203. Best laser printer transparency for photo resist transfer?
  204. My own 80W/8R amplifier need help
  205. I need help on an SS design
  206. Sony STR-DE675 problem..
  207. super simple DC detect for balanced amp
  208. How to build a Hackernap ?
  209. Choice of nulling trimmer and slew rate with CA3140T Op-Amp
  210. Magnum IA 170 ....
  211. TL072 Upgrade
  212. Need Parasound DR40 Schematic
  213. Peavey CS800X
  214. Peavey Mark VI bass amplifier 402 module repair
  215. What can I do with 2 AMP (nope not monos) ?
  216. AKG C414 B uls mysterious electrical noise problem
  217. Total no0b question on a Sony N80ES amp
  218. Schematic help! Take a look at this NAD 2600A diagram
  219. Repairing a Luxman l-410...
  220. Yamaha R9
  221. MJL3281 Vbe matching
  222. What is this amp, and what do you think of it?
  223. Amp Output Testing
  224. SIT 2SK82 Circlotron Power Buffer
  225. SECA Kit By Colin Wonfor
  226. Right channel not working properly on Technics amp
  227. Issues with Musical fidelity A1
  228. Yamaha RX-V793
  229. Crown XLS 802
  230. ever heard of Motorola 7151
  231. Powered Mixer on but no sound heat sink not getting hot
  232. Arcam FMJ A22 Flashing Red Power LED
  233. Improve a Rotel amp THD by 20dB!
  234. Onkyo A8700 Blowing fuse
  235. NAD 2600 will not turn on !
  236. Diy class a 5W amplifier
  237. Multi Channel Amplifier Power, Preamp and Digital Grouding
  238. Looking for service manual Para JC1's
  239. What this colors mean ?
  240. EV 2.0kw class H high rail oscillation?
  241. H-K 520 blowing power fuse
  242. Service manual BGW PS 3
  243. How powerful should an amplifier be?
  244. trying to find Crown's service theory pdf(odep)
  245. Potentiometer replacement for Sony TA FA 777 ES
  246. Onkyo TX-NR808 fault
  247. Aiwa amplifier with power supply electronic voltage switch?
  248. Fender M-80 Bass Amp / distorted output
  249. please help!DC voltage in AV400 amp output
  250. Please help Yamaha rx-1030 problem

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