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  1. AD825: class-A operation + bypassing/snubbing
  2. Small signal Mosfet AB PA?
  3. Cyrus 2 Amplifier - 2SC1775A + 2SA872A Equivalent/Replacements?
  4. Help for replacement NJM4580 with AD8620
  5. BGW 7000 rebuild...
  6. Diode across an op-amp???
  7. Camtec Marriola MIG D1 does not power up
  8. Kenwood KA-1500 transistor fault?
  9. 12AU7 + mosfets
  10. Musical Fidelity A100 fans
  11. marantz PM7200 dead
  12. Rowe Ami 125W Amp Board Inputs
  13. Yamaha Components
  14. NAD 3020 square buttons
  15. Adcom GFA-5802 Biasing
  16. Volume dropout
  17. Thule Audio's Universal Inrush Current Limiter for their Amplifiers - very special?
  18. noob with a perplexing problem.
  19. Thule Audio's GND Management by Integrated Amplifier with RC - who can explain
  20. Harman Kardon Citation A transistor help.
  21. Amplifier recommendations?
  22. Bad sub; No music!!
  23. Amplifier Design for Fractional Ohm Loads
  24. My first amplifier, need help to choose schematic
  25. FM test signal to indicate PIM?
  26. Sugden C51 control unit circa 792
  27. Omtec Mono Power Amplifier "CA 25" (CA25) - Schematic wanted
  28. Wierd Interference on Phone Pre
  29. JVC Subwoofer distorted
  30. Bridging Rotel RB956ax: I don't understand how it works
  31. SAE C3A output transistor order
  32. Max/Actual Output Level vs. Distortion
  33. Velleman k4005
  34. Determining causes of distortion
  35. diy discrete high power opamp
  36. Left channel not working with my speakers on my Technics SA-303 receiver
  37. Need help reducing noise of Amp!
  38. marantz 4270 receiver quadradial
  39. CSPP/Cirlotron - Brand Names of Commercial Solid State Amplifiers
  40. Marantz PM-66SE Right Channel Fault
  41. Dynaco ST120/150 PCBs?
  42. schematics for yamaha ax-630
  43. studiomaster vision 8
  44. Salvaging parts from vintage receiver for DIY
  45. An initial watt revision of a classic little amp
  46. SS Hi-fi Pioneer SA 6800
  47. Ultimate ECC for Class B from Thule Audio? Topology also used by Teac
  48. Tone control
  49. Better Audio by Solid State Amps after Coaching of certainly Electrolytic Caps ??
  50. Pioneer vsx836-rds
  51. THRESHOLD SA-3 : please, I need your help
  52. MJE9400 & MJE9450 data sheet
  53. Time/Heat induced crackle? Help (Lace Acoustic TA35cr)
  54. Need comments on Semlab LMOS application Circuit
  55. fuses and best speakers cables hehehehehe
  56. Need a Pioneer SA-9800 Supply Tranny
  57. Replacement for 70's Vintage Japanese TO-3
  58. Phoenix gold xs2300 - advice needed for repairing
  59. uk supply of motorola
  60. Trying to build...an...OMG
  61. Dunlap Clarke Dreadnaught 500 secondary voltage info required.
  62. stage line sta-320 troubleshooting
  63. NAD 7240PE Dead Tuner
  64. Need Help About Speaker Relay!
  65. Schematic for SK9446/9447
  66. strange problem with DiY amp
  67. U3090MG (Display Driver Vishay-TFK) for FV112 Futuba Data Sheet wanted
  68. Need Help About Speaker Relay!
  69. Musical Fidelity P270 Humming noise!
  70. Cambridge audio P35 schematic wanted
  71. LF: Harman Kardon Citation A Service Manual
  72. Replacing The STV-3H and -4H Diodes
  73. floating supply class AB will it work? is it any good?
  74. Thosiba "high end" driver transistors
  75. Parasound Zamp V2 - help
  76. Replacement for MPSA43?!
  77. BGW Perfromance Series 1 Schematics needed
  78. quality transistors in London
  79. jfet distortion question
  80. Electrocompaniet ECP-1
  81. High Voltage LED
  82. Biasing a solid state amp
  83. Pioneer SA 7600 II
  84. Looking for Denon AVR-1906 / 768 Schematics
  85. Philips FW538
  86. Pioneer VSX-709S Trouble
  87. Aussie kit amp query
  88. Heathkit AR-1500 cap replacements
  89. Exposure 8 recap
  90. Advent receiver
  91. Question about input filter?
  92. Is this consider a push pull amplifier?
  93. dieing amps
  94. Tda 2050+bd249/bd250c
  95. Dual Op Amp adaptor not working - help ?
  96. Is this TA2022 eBay amp a terrible idea for a beginner's dissection project?
  97. An unusual "feature" on a commercial amp... crosscoupling between channels at hf.
  98. Amplifier Classes
  99. Why is there 5Vdc on my outputs?
  100. QED A240CD lacking bass.
  101. P3A bias setting
  102. P3A bias setting
  103. Accuphase's discrete jFET Input Operational Amplifier for Ultimate Sound Reproduction
  104. Sansui G22000 Repairing
  105. Please help a chip amp guy
  106. Yamaha P2700
  107. Perform Biasing on B&K ST-140
  108. Board goin bad
  109. transistor bias
  110. NAD 310 - need some info
  111. Help - Adcom 535 Amplifier
  112. Headphone tap
  113. Tips on fixing my Rockford P1000-1bd
  114. Question on Dayton DTA-1 T-amp and Car Audio Equalizer
  115. NAP 250 CB bolut up SOA removal
  116. Class B w/o crossover distortion (1975)
  117. McIntosh VU Meter
  118. NAD 3155 Schematic needed
  119. Adding Variable Impedance to Power Amp
  120. Any web site listing the most popular commercial amps ?
  121. Bryston 4B ST Clone Started
  122. Klotz P-A 1200 Schematic
  123. McIntosh C28 and MC2105
  124. S print layout question
  125. out put problems
  126. Krill The Evolution
  127. replacing capacitor on adcom
  128. Carver M4.0t with weak channel
  129. LME49990 Audio Op-Amp - better than AD797?
  130. All FET folded cascode driver for "JLH"-buffer with no GNFB
  131. Transformer advice needed!
  132. Dunlap Clarke 500 Power Supply Info
  133. Nikko Power Amplifier Alpha II Stuck On Protect
  134. The Barney Oliver from Hewlett Packard
  135. Slones 11.4 'Blameless'
  136. OpAmp and Crossover Distortion
  137. Carvin DCM2000 Circuit Question
  138. Look for Mark Levinson No.20 monoblock schematic
  139. Fish Paper???
  140. harman kardon hk980
  141. First power up testing procedure
  142. Yamaha A-760 Mono button in our out?
  143. Power Devices for old Power Amplifier's from MOSPEC - Quality Standart like "ON" ?
  144. Ne 5532 15+15 or 18+18
  145. Krill is complete!
  146. How to measure high current Hfe?
  147. Crest LA901 red status light on CH A
  148. Problems with Nikko Alpha II Power amp (protection cuts off)
  149. Testing with speaker
  150. Rush Cascode inputstage on JLH 10W
  151. Mark Bass Little Mark 800 Schematic
  152. SIT-Preamp
  153. Schematic Needed: JVC JA-S77 Integrated Amp
  154. Powered Mixer intermittantly blowing fuses
  155. - Proceed HPA3 -
  156. Open Transformer in Yamaha RX-530 receiver
  157. a little advice on repairing an NAD 3020a
  158. Does anyone have this Amplifier/Mixer/Karaokee API A-501?
  159. Buzzing transformer in Teac AG-790 receiver
  160. Rauland-Borg Model 4030 info. needed
  161. Hi pass filter question
  162. Chrome chassis and grounding
  163. passive preamp
  164. Recomendations on build
  165. Sumo Polaris 310
  166. MARANTZ 30 problem
  167. Kenwood basic C2 - channel out
  168. Bigun's Botch Up amplifier
  169. 8000M complete recap
  170. searching for Yamaha PC4800N schematics
  171. Mark Levinson No. 335 powersupply Caps
  172. sansui 9090 (speaker killer!!??)
  173. sansui 9090 blowing fuses
  174. Amplifier Subwoofer
  175. Amplified Diode with MOSFET output
  176. Ventilation in amp case, regarding biasing and RF noise.
  177. Jfet op-amp
  178. Luxman L435 Capacitor Query
  179. how to design mosfet amplifier stage?
  180. Schematic for ART USB Mic Pre ?
  181. No Ground = Great Sound
  182. searching for schematics of Samick SPM-1203 Powered mixer
  183. There's someone who build Suzyj preamp ? Need help...
  184. Nakamichi PA7 Recapping
  185. amplifier switching power supplies
  186. Help organizing ideas with new electric guitar project
  187. NAD 3150 Service Manual
  188. Help with speaker protection kit
  189. high current discrete audio buffer
  190. Mark Lev No.20
  191. searching for schematics of Behringer PMP1000
  192. another protection circuit
  193. Leak Stereo 70 output caps suggestion
  194. Kinshaw Perception Pre Amp needs revamp !
  195. Mono blocks using National LME49830
  196. Quasar QA8080
  197. cyrus integrated convert to PRE only ? seattle
  198. Power Transformer Vendor Recommendations
  199. Matching Jfets
  200. Crest amplifier repair help
  201. What do you thing about this power amp schematic?
  202. [REQ] crest CPX 2600 schematic
  203. Amplifier/Mixer/Karaokee API A-501
  204. Distortion through Early Effect - mainly low Order or high Order Components ?
  205. The Future of Music at Home - ARTORA's "ARTOAMP 150" from Denmark
  206. Plotting the graph
  207. SAE C3A blows fuses
  208. SymAsym - "The Sequel", AAK's PCB Builders Thread
  209. RAVELAND XCA 1000 at home/AC
  210. Apex Senior advice needed
  211. bias transistor
  212. Upgrading op amps in a Denon DCM-460 CD player
  213. Cambridge Audio Azur 640A v2 problem
  214. Help,Help,Help
  215. Looking for a Mofset buffer
  216. Possible to rewire Denon DRA-295 from 110V to 220V? Pics attached.
  217. Bridging Forte 4a amplifier?
  218. Amplifier power rating versus expected life span
  219. Student
  220. Dual CR 1780 receiver - class A?
  221. does early effect shift much within a device family?
  222. The life of my 30 year old Rotel RA-314
  223. audio analyse' - French made amp?
  224. capacitive multiplier
  225. Crackling noise - Sansui AU101
  226. NAD C320 listening impressions/repair procedure
  227. $50,000 power amp !! Anyone know what's inside it ??
  228. Musical Fidelity B1
  229. Bypass operation L-07C
  230. Tone control circuit
  231. Yamaha PC4800N schematics
  232. Blameless THD
  233. Burning/running in, fact or fiction?
  234. This may sadly also affect you....
  235. 31 Band Equalizer "the t.eq" "TQ-60" schematic wanted
  236. Anything better than 2sk1058,2sj162 pair?
  237. Mystery resistor in simple audio amp
  238. Turner A300 Stereo Power Amplifier
  239. PowerAmp
  240. AcouticPlan MagAmp
  241. Panasonic Dropping Through-Hole BJT's...
  242. New member, old techie
  243. Burning/running in times?
  244. Noisy transformer Usher R1.5
  245. Musical Fidelity A1 bias
  246. Japanese art - amplifier + - 150V rails 2SK183
  247. piezo electric tweeters
  248. Yamaha 2010 - no sound
  249. Yamaha 2010 - no sound
  250. Output transistor safe operating area

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