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  1. High bias and distortion in one channel of GFA 545 w schematic
  2. Fake Tubeamp (FaT1)
  3. Heatsink thermal compound with silicon pads?
  4. Replacement for 2SC1815BL
  5. Dual secondaries transformer.
  6. Even Higher Voltage Discrete OPAMP Application
  7. Hi Voltage Discrete Opamp Application
  8. UP1237 Spkr Protection Kit
  9. connector on schematic
  10. LME49810 question
  11. opamp input protection
  12. Class A heatsink question
  13. sony str-da2400es clicking and wont turn on
  14. Coupling caps on Classe DR-4 preamp
  15. FET Marking Code (SOT-23) "C1 TIB" - which type ??
  16. Amp testing SOP
  17. Understanding of this completed circuit ?
  18. b-2 amp
  19. Either all my amps have problems or .... ??
  20. e-Amp
  21. Mcintosh C-40 Pre & SCR3 Schematics Needed
  22. Components giveaway (London)
  23. Adcom GFP750 outputs
  24. Sony TA 1130 Integrated Amp
  25. Newbie troubleshooting DEAD amplifier!
  26. CMMR in bridged mode amplifier
  27. Pioneer A401
  28. Duson PA75 repair
  29. Parasound HCA1205a
  30. CM labs 920
  31. Yamaha Rx-730
  32. Class AB .... is it all done ?
  33. 300W Quasi amplifier
  34. Marantz PM-40SE No sound.
  35. Bryston 3B Pro restoration.
  36. bryston 3B
  37. Technics su-v2a problem
  38. Voltage regulator issue
  39. Help needed on new output transistors
  40. bias stabilizer
  41. Schematic diagram for Mordaunt-Short MS309-W
  42. cayin 270p
  43. Help me figure something out....Please
  44. Number of output pairs needed?
  45. Mosfet power amp Vbe multiplier
  46. Cambridge Audio A500 - Worth Repairing ?
  47. PS Audio 100C schematic
  48. IRFP9240/IRFP240 vs 2SJ201/2SK1530 Mosfets
  49. EU supply for To 247 / To 264 Insulators
  50. EB 1190/123 Idle Current adjustment
  51. bypassing for opamp circuits
  52. Help needed to ID this amp module
  53. Marantz MA500U
  54. High pass filter capacitor
  55. Wanted... Evox MMK 47uf
  56. LM3886 REALLY short protected?
  57. stupid question
  58. Craft Audio CA1 (CRAFTAUDIO CA-1) Power Amp - looks like CAS-1 - Schematic wanted
  59. yamaha B4 B5 amplifer Vintage
  60. Hafler TA-1100 finally fixed!
  61. Diamond Buffer with reduced distortion
  62. Maplin JLH 50 watt amplifier article.
  63. ASW210 Bias adjust info
  64. Need Harman/Kardon AVR 10 Service Manual
  65. Plinius III 80 watt p/c class AB Amplifier
  66. Symetric "transconductanse" front end
  67. 20 KHz specified on capacitor
  68. Pre-out to miniDSP and back to receiver power amp
  69. WHAT the heck is this ?
  70. The Wire - Low Power Ultra High Perfromance (LPUHP) 16W Power Amplifier
  71. technics sa gx500 volume control
  72. 2.5KW RMS Power amp project
  73. Max allowable DC offset for power amplifier
  74. speaker dc offset question
  75. arcam alpha 3
  76. Two Stage Amplifier with Mosfet in class A
  77. New to audio equipment, looking for 2.1 amplifier
  78. Europower EP2500
  79. Cheshtap Power Amp
  80. MOSFET based DC Speaker Protection
  81. Seeking STK8050 (Technics SU-V4)
  82. advice on full upgrade for a pioneer m-73 power amplifier
  83. Kenwood Reverberation Amplifier RA-52
  84. Sunfire Grand Theater Processor II
  85. new and not sure of upgradeing happy new year
  86. Leach Amp Boards
  87. Amplifier kit on eBay
  88. TEC S-15 amp (1961 !): main amp schematics
  89. Noob Question - Will a Bad Cap Fry a Resistor?
  90. STK4044 IC compatibility
  91. Bypass Caps & Transistors
  92. Capacitor over feedback Resistor
  93. input/output capacitor uF question...
  94. the best 12v amp design/project
  95. Help a noob!
  96. 1W SE Class A Powerful Headphone or Weak Power Amp
  97. A prevent jitter scheme of relay attenuator
  98. Need help trouble shooting my BK ST 140
  99. Cloning the Luxman IC known as DML-02
  100. Krell KSA/KMA input stage mods
  101. crazy idle current compensation method?
  102. Silicon Grease Toxicity
  103. germanium amplifier
  104. Help with trouble shooting
  105. Adcom gfa-5400 mods?
  106. high vac at speaker terminals rotel rb1070
  107. What is sucking in this wiring?
  108. Damping factor can equate to less bass ?
  109. Crown 1400 CSL
  110. Fully differential 100W amplifier
  111. source for 4-pole capacitor?
  112. Meridian MCA-1 amplifier
  113. BAT Vk-500 schematics info??
  114. Help with repairing Rotel RA-1062
  115. Copper tracks conner angles
  116. Restoring a JBL SA-600
  117. "Vibrating" faceplate (actually has current) on vintage amplifier
  118. RIAA + IEC
  119. Amplifier with 220 input voltage vs 230 ?
  120. Parasound HCA-2200 problem - need some help
  121. Onkyo 805 - no sub output
  122. Celestion truvox 1020
  123. What to do with 4 little accurian amps??
  124. My amp is clipping with new speakers
  125. Is Audio GD C500 unity voltage gain.
  126. Selim's JLH Amp
  127. Someone able to ID some parts for me?
  128. New super pair?
  129. Which to choose?
  130. Connecting Powered PC Speakers To TV Headphone Jack, Need Amp - Help Please
  131. Differential pair questions
  132. weird DC offset at HF driving passive filter
  133. Yamaha c-80
  134. All FET JLH Class A
  135. Simpson-Sears Model RE-1205 schematic needed
  136. DC offset adjustment add-on
  137. Really clean medium power amp wanted
  138. AV1000 building
  139. Marantz PM-32
  140. Zen problem
  141. Newbie amp project power supply noise
  142. VINTAGE AMPLIFIERS ( The ultimate thread )
  143. Hafler 9505 amp Help
  144. coyote call ideas
  145. Need service manual for Accuphase E-303
  146. kenwood graphic equalizer GE 52
  147. Some help or a SM for PM-84 MK II
  148. Tivoli Model One - Internal fuse?
  149. Accuphase P600 problem
  150. Help with waveform on rails - looks unregulated
  151. Cyrus 3 help needed
  152. Help on op amps
  153. My HV opamp - Working suspiciously well
  154. Trying to Find MOSFETS D1975, B1317. HELP!
  155. Oppo 93NE to Marantz receiver.
  156. Sears RE-1205 AM/FM resever
  157. Darlington question
  158. Would you calculate and re-draw the circuit overcurrent protection ?
  159. New Class Aamplifier P18W1R
  160. Capacitor replacement / hiss advice
  161. Musical Fidelity P170 Bias
  162. Aaron Millenium 3, outputs tranzistors & quiescent current
  163. Pls Help - Sumo Polaris II
  164. Small Amp with 2 Inputs or More
  165. 2.1 Receivers Yamaha R-S500 vs. Harman Kardon HK-3490
  166. Need some help with Class A JLH power parameters
  167. Parasound ( John Curl ) 1206 upgrades?
  168. The Amp I use for my bass units
  169. Quad 405 linear PSU replacement with switcher.
  170. Luxman KV-105 crackling on one channel
  171. Measuring attack/release time of a compressor/limiter
  172. HAL SYMFET
  173. double sided thermal tape?
  174. Musical fidelity A100
  175. Upgrading/repairing vintage amps
  176. RIAA?
  177. Choke loaded MOSFET in circlotron??
  178. Help with DC on volume pot
  179. NIKKO Alpha 230 with a fan on top
  180. Output power of an average stereo system?
  181. How much power is the average Stereo?
  182. Soundcraftsmen A400 Schematic?
  183. Audionet AMP 1 idle current
  184. Accuphase p600
  185. Class H switching
  186. Sansui BA 5000 Loud pop at turn on / off
  187. New Project - Hybrid Amplifier High Quality
  188. arcam alpha 8 problem
  189. Playmaster Sixty-Sixty Stereo Amplifier SCHEMATIC
  190. looking for class AB amplifier schematic
  191. 1.4kW; is this crazy?
  192. Bias Adjustment on Bose 1800 Amplifier
  193. Two Amp Fire Balls... Please Tell Me Why
  194. No global feedback preamplifier
  195. x5 preamp circuit
  196. Simple Circlotron with power Mosfets
  197. Amp hum when RCA cable is connected
  198. Audio/video sync. Little help please?
  199. Class i and siblings
  200. Integrated Amp repair / conversion
  201. 2SA1102 vs 2SA1104 with 2SC2577
  202. ST151 100W AMP
  203. Cheating with microphone calibration
  204. DIY Amp
  205. PASS ALEPH 0s Capacitors replacement
  206. Marantz PM-440 service manual needed please!
  207. solid state ...forum people
  208. KSA 250 HELP!!!
  209. GFA-535 Brown gunk on output board
  210. Yet another broken NAD 3020 thread
  211. OCM 500 power amp - I need a copy of owner's manual...
  212. Need schematic KEF 25B sub amp SP2298
  213. nad 3020 overhaul/mod questions
  214. what opamp for lowpass filter?
  215. Non-complementary class AB linearized amp
  216. Speaker Protection Board Input Voltage Handling
  217. Power supply for balanced input stereo amplifier
  218. Transistor role in amplifier ? Properties
  219. RG59 for interconnect ( disscusion )
  220. DIY IMD Analyzer
  221. sprint pcb software
  222. 20W Blameless Class A
  223. Replacement Transformer for Quad 405
  224. Can anyone ID this amp? (there's no prize)
  225. Help finding service manual for cambridge 640r
  226. Sansui AU555
  227. hep, Parasound pfet 900II
  228. Ribbon poweramplifier
  229. Are you interested to improve cheap amplified speaker?
  230. Optimos - My Version
  231. APSA - The Analog Sound Processing Amplifier
  232. Cyrus 2 No balance
  233. Yamaha M60 modifications?
  234. Replacement for Motorola MPS-U10?
  235. 20KW POWER AMP SCHEMATIC
  236. Bi-amping with 2 integrated amplifiers
  237. Harmon Kardon HK560 repair
  238. Bose 1800: DC Offset Issues
  239. Power mosfet DIY topologies of tube ampli Single-ended
  240. Discrete or IC regulation power supply
  241. Federmann preamplifier
  242. ATI 1502 two-channel stereo Power amplifier
  243. Conditioning, Hipotting (Hi-Pot) Film Capacitors
  244. Updating Leach FET preamp: New transistors?????
  245. NAP90 Distortion Problem
  246. HK 770 pwr amp input caps - Replacement suggestions
  247. Velodyne ct-80 project
  248. Musical Fidelity transistors SM8605 SM8610
  249. Help understanding amplifier diagram.
  250. Improving Technics SU-8080

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