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  1. Trying to fix HK930
  2. Evens C-500 amplifier ....opinions?
  3. Fun Project Suggestion for a busted NAD2100?
  4. Dayton Wright Power Amplifier XEC-1000 - schematic wanted
  5. Creek A42 Stereo Power Amplfier
  6. Amplifier motherboard
  7. Collection of Class B topologies <100mA Idle and Sound closest by Class A
  8. amp for everybody
  9. Renesas Hitachi 2SK1058 & 2SJ162 Lateral MOSFET
  10. Does anyone know the manufacturer and origins of this transistor?
  11. Pease opines on the '797 "part"
  12. Just got a Marantz 2200
  13. build amplifier F1 of Nelson Pass
  14. Behringer ep 2500 service ....
  15. 900W H-class PA Amp with Limiter
  16. Krell KSA200S Bias
  17. No feedback amp
  18. Folded Cascode in the Making
  19. Basic6 Amp from 41hz audio- volume control?
  20. AmpsLab HX200amp
  21. Are there Sugden (Sugdenaudio) Single ended power stages? Schematic wanted
  22. Amplifiers.... inductive or resistive load?
  23. How to identify a quasi-complementary amplifier?
  24. Tone control kit?
  25. Adcom 545 Schematics needed
  26. OPA547F Waveform Generator
  27. Tone control
  28. Help me id this amp
  29. Radio Amplification
  30. Need help with Rockford Fosgate 801s
  31. My idea di MonoBlock esoteric
  32. VAS with Miller compensation zero
  33. Will Donate $30 to Forum for Help Repairing GAS Gandson Amp
  34. Fast Rectifiers for Power Supplies
  35. Advice needed on RoHS regulations
  36. Why you're clock is wrong
  37. replacement for mje15003&4
  38. ARCAM A75 help
  39. Diodes from colector to emitter in power output transistor
  40. TIP3055/2N3055 based power amps
  41. Key matrix circuit ... Help
  42. class A to Hybrid
  43. JBL Powered SubWoofer - Schematic Needed
  44. Diffl Input BJT Matched Pair sub A979?
  45. Your Amp Light Bulb Current Testing Rig??
  46. P3A strange problem (thumb when applying input signal)
  47. DC Servo MOSFET Amplifier
  48. Double transistors in the VAS Why?
  49. what schematic do you need?
  50. Just got me a realistic STA 2080
  51. NAD 319 Crackling?
  52. 250 HCCA comp amp / need help
  53. MOSFET Amplifier IRFP240/IRFP9240
  54. Need help from Europe
  55. Marantz t7
  56. Looks like more bogus obsolete IC's...
  57. Switchoff speed capacitor
  58. Crackle & pop - Fixing and old Amp
  59. Phase Lead: C or RC compensation
  60. Class A electronics ban?? fact or fiction
  61. old school amp setup
  62. Help diagnosing Marantz SR 1000
  63. Help wanted in geelong
  64. Picked up an Art SLA2, found the internals interesting
  65. GND/Earth Wiring Management by Power Amplifiers - what is the royal Way
  66. Pioneer SX-780 pre/main split?
  67. 2x 500w amplifier
  68. MOSFET cookbook
  69. Free Schematics/Service Manuals - Contributions Required
  70. 200w amplifier under development help needed
  71. Carlsbro Cobra 90
  72. Help troubleshooting a Cambridge A500
  73. Cap Across Switch on Older Amps
  74. need help with krell ksa 100
  75. DIY Shelf Stereo System?
  76. Mosfet Power Follower with 1:1 Output Transformer questions
  77. Schematic for Alesis RA-100... Ha! Alesis doesn't have it!!
  78. Technics SL-23
  79. Life expectancy for used electrolytic caps
  80. B&K ST-140 Check-out Upon Power Up
  81. Where to get LM234 to 92 pkage replacements?
  82. New oak panel for an old pal.
  83. Burnt PCB on the STR-K1600
  84. Audiolab 8000A DC thumps
  85. MJ Magazine (formerly Musen to Jikken) - Yearly Index from 1924 - 2009 wanted
  86. Missing instructions for ETI-480 (help!)
  87. Ultimate Integrated Amp - Logical Wings Miracle Drive "USO800-Pro", who have heard ?
  88. QSC RMX1450 FAMILY ( long )
  89. Borbely Class A question
  90. Whatza LA3170? Regular op-amp or sunthin special? Subs?
  91. Audiolab 8000S Service Manual
  92. mps6566 transistor substitution
  93. Multiple Receiver Switch Box
  94. citronic sa 200 schematics required
  95. Class A low power (5-10w) amp suggestion needed
  96. Yamaha G-5 guitar amp
  97. Magnum IA120 Integrated information
  98. Moderator - have a favor to ask - replacement transistors
  99. Anybody familiar with current limiting on Technics amp modules?
  100. The NEM AI-50
  101. Dh200 hum?
  102. Best possible use for......
  103. Sugden A28II info
  104. Small low power amplifier to put inside guitar
  105. Bandwidth vs distortion?
  106. Aiwa AX 7800-G Receiver
  107. Analog bilateral switches
  108. NAD 710 Receiver - service manual
  109. Need help finding pictures
  110. Looking for manual, NAD monitor series 3300
  111. ROTEL 981 or something else..?
  112. A ...power amplifier
  113. CS800x Fan
  114. Class AB Amp kit
  115. Q10 Amp
  116. 20 Watts Car Stereo Amp with TDA2004
  117. 1985 Yamaha r8 receiver
  118. NAD 2100 - Shorted Transistors
  119. Alternative method of a loop breaker - Will I kill myself?
  120. Krell Current Audio Signal Transmission C.A.S.T. - Current mode Technology = CMT
  121. BOSE 1800 Two series power amp
  122. Bose Wave Music Syst. Ultimate Sound? Gallery from inside Devices - Serv. Man. wanted
  123. simulating distortion with complex loads
  124. Vincent SV-226
  125. Good and affordable kit? any recommendations?
  126. schematic download sites i have found
  127. Accuphase MCS
  128. MK sub not working
  129. Recovery from clipping, soft clipping
  130. APart Champ-2 power amplifier?
  131. Floating Cascode
  132. Adcom GFA 535 power switch sticking
  133. Phase Linear and Sansui parts
  134. Overhaul
  135. OptiMOS amplifer build issues, help needed please
  136. Germanium Power Stage Amp - help needed
  137. Armstrong 626 problem
  138. Solid State Testing- Tug of war
  139. AD825: class-A operation + bypassing/snubbing
  140. Small signal Mosfet AB PA?
  141. Cyrus 2 Amplifier - 2SC1775A + 2SA872A Equivalent/Replacements?
  142. Help for replacement NJM4580 with AD8620
  143. BGW 7000 rebuild...
  144. Diode across an op-amp???
  145. Camtec Marriola MIG D1 does not power up
  146. Kenwood KA-1500 transistor fault?
  147. 12AU7 + mosfets
  148. Musical Fidelity A100 fans
  149. marantz PM7200 dead
  150. Rowe Ami 125W Amp Board Inputs
  151. Yamaha Components
  152. NAD 3020 square buttons
  153. Adcom GFA-5802 Biasing
  154. Volume dropout
  155. Thule Audio's Universal Inrush Current Limiter for their Amplifiers - very special?
  156. noob with a perplexing problem.
  157. Thule Audio's GND Management by Integrated Amplifier with RC - who can explain
  158. Harman Kardon Citation A transistor help.
  159. Amplifier recommendations?
  160. Bad sub; No music!!
  161. Amplifier Design for Fractional Ohm Loads
  162. My first amplifier, need help to choose schematic
  163. FM test signal to indicate PIM?
  164. Sugden C51 control unit circa 792
  165. Omtec Mono Power Amplifier "CA 25" (CA25) - Schematic wanted
  166. Wierd Interference on Phone Pre
  167. JVC Subwoofer distorted
  168. Bridging Rotel RB956ax: I don't understand how it works
  169. SAE C3A output transistor order
  170. Max/Actual Output Level vs. Distortion
  171. Velleman k4005
  172. Determining causes of distortion
  173. diy discrete high power opamp
  174. Left channel not working with my speakers on my Technics SA-303 receiver
  175. Need help reducing noise of Amp!
  176. marantz 4270 receiver quadradial
  177. CSPP/Cirlotron - Brand Names of Commercial Solid State Amplifiers
  178. Marantz PM-66SE Right Channel Fault
  179. Dynaco ST120/150 PCBs?
  180. schematics for yamaha ax-630
  181. studiomaster vision 8
  182. Salvaging parts from vintage receiver for DIY
  183. An initial watt revision of a classic little amp
  184. SS Hi-fi Pioneer SA 6800
  185. Ultimate ECC for Class B from Thule Audio? Topology also used by Teac
  186. Tone control
  187. Better Audio by Solid State Amps after Coaching of certainly Electrolytic Caps ??
  188. Pioneer vsx836-rds
  189. THRESHOLD SA-3 : please, I need your help
  190. MJE9400 & MJE9450 data sheet
  191. Time/Heat induced crackle? Help (Lace Acoustic TA35cr)
  192. Need comments on Semlab LMOS application Circuit
  193. fuses and best speakers cables hehehehehe
  194. Need a Pioneer SA-9800 Supply Tranny
  195. Replacement for 70's Vintage Japanese TO-3
  196. Phoenix gold xs2300 - advice needed for repairing
  197. uk supply of motorola
  198. Trying to build...an...OMG
  199. Dunlap Clarke Dreadnaught 500 secondary voltage info required.
  200. stage line sta-320 troubleshooting
  201. NAD 7240PE Dead Tuner
  202. Need Help About Speaker Relay!
  203. Schematic for SK9446/9447
  204. strange problem with DiY amp
  205. U3090MG (Display Driver Vishay-TFK) for FV112 Futuba Data Sheet wanted
  206. Need Help About Speaker Relay!
  207. Musical Fidelity P270 Humming noise!
  208. Cambridge audio P35 schematic wanted
  209. LF: Harman Kardon Citation A Service Manual
  210. Replacing The STV-3H and -4H Diodes
  211. floating supply class AB will it work? is it any good?
  212. Thosiba "high end" driver transistors
  213. Parasound Zamp V2 - help
  214. Replacement for MPSA43?!
  215. BGW Perfromance Series 1 Schematics needed
  216. quality transistors in London
  217. jfet distortion question
  218. Electrocompaniet ECP-1
  219. High Voltage LED
  220. Biasing a solid state amp
  221. Pioneer SA 7600 II
  222. Looking for Denon AVR-1906 / 768 Schematics
  223. Philips FW538
  224. Pioneer VSX-709S Trouble
  225. Aussie kit amp query
  226. Heathkit AR-1500 cap replacements
  227. Exposure 8 recap
  228. Advent receiver
  229. Question about input filter?
  230. Is this consider a push pull amplifier?
  231. dieing amps
  232. Tda 2050+bd249/bd250c
  233. Dual Op Amp adaptor not working - help ?
  234. Is this TA2022 eBay amp a terrible idea for a beginner's dissection project?
  235. An unusual "feature" on a commercial amp... crosscoupling between channels at hf.
  236. Amplifier Classes
  237. Why is there 5Vdc on my outputs?
  238. QED A240CD lacking bass.
  239. P3A bias setting
  240. P3A bias setting
  241. Accuphase's discrete jFET Input Operational Amplifier for Ultimate Sound Reproduction
  242. Sansui G22000 Repairing
  243. Please help a chip amp guy
  244. Yamaha P2700
  245. Perform Biasing on B&K ST-140
  246. Board goin bad
  247. transistor bias
  248. NAD 310 - need some info
  249. Help - Adcom 535 Amplifier
  250. Headphone tap

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