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  1. Duson PA75 repair
  2. Parasound HCA1205a
  3. CM labs 920
  4. Yamaha Rx-730
  5. Class AB .... is it all done ?
  6. 300W Quasi amplifier
  7. Marantz PM-40SE No sound.
  8. Bryston 3B Pro restoration.
  9. bryston 3B
  10. Technics su-v2a problem
  11. Voltage regulator issue
  12. Help needed on new output transistors
  13. bias stabilizer
  14. Schematic diagram for Mordaunt-Short MS309-W
  15. cayin 270p
  16. Help me figure something out....Please
  17. Number of output pairs needed?
  18. Mosfet power amp Vbe multiplier
  19. Cambridge Audio A500 - Worth Repairing ?
  20. PS Audio 100C schematic
  21. IRFP9240/IRFP240 vs 2SJ201/2SK1530 Mosfets
  22. EU supply for To 247 / To 264 Insulators
  23. EB 1190/123 Idle Current adjustment
  24. bypassing for opamp circuits
  25. Help needed to ID this amp module
  26. Marantz MA500U
  27. High pass filter capacitor
  28. Wanted... Evox MMK 47uf
  29. LM3886 REALLY short protected?
  30. stupid question
  31. Craft Audio CA1 (CRAFTAUDIO CA-1) Power Amp - looks like CAS-1 - Schematic wanted
  32. yamaha B4 B5 amplifer Vintage
  33. Hafler TA-1100 finally fixed!
  34. Diamond Buffer with reduced distortion
  35. Maplin JLH 50 watt amplifier article.
  36. ASW210 Bias adjust info
  37. Need Harman/Kardon AVR 10 Service Manual
  38. Plinius III 80 watt p/c class AB Amplifier
  39. Symetric "transconductanse" front end
  40. 20 KHz specified on capacitor
  41. Pre-out to miniDSP and back to receiver power amp
  42. WHAT the heck is this ?
  43. The Wire - Low Power Ultra High Perfromance (LPUHP) 16W Power Amplifier
  44. technics sa gx500 volume control
  45. 2.5KW RMS Power amp project
  46. Max allowable DC offset for power amplifier
  47. speaker dc offset question
  48. arcam alpha 3
  49. Two Stage Amplifier with Mosfet in class A
  50. New to audio equipment, looking for 2.1 amplifier
  51. Europower EP2500
  52. Cheshtap Power Amp
  53. MOSFET based DC Speaker Protection
  54. Seeking STK8050 (Technics SU-V4)
  55. advice on full upgrade for a pioneer m-73 power amplifier
  56. Kenwood Reverberation Amplifier RA-52
  57. Sunfire Grand Theater Processor II
  58. new and not sure of upgradeing happy new year
  59. Leach Amp Boards
  60. Amplifier kit on eBay
  61. TEC S-15 amp (1961 !): main amp schematics
  62. Noob Question - Will a Bad Cap Fry a Resistor?
  63. STK4044 IC compatibility
  64. Bypass Caps & Transistors
  65. Capacitor over feedback Resistor
  66. input/output capacitor uF question...
  67. the best 12v amp design/project
  68. Help a noob!
  69. 1W SE Class A Powerful Headphone or Weak Power Amp
  70. A prevent jitter scheme of relay attenuator
  71. Need help trouble shooting my BK ST 140
  72. Cloning the Luxman IC known as DML-02
  73. Krell KSA/KMA input stage mods
  74. crazy idle current compensation method?
  75. Silicon Grease Toxicity
  76. germanium amplifier
  77. Help with trouble shooting
  78. Adcom gfa-5400 mods?
  79. high vac at speaker terminals rotel rb1070
  80. What is sucking in this wiring?
  81. Damping factor can equate to less bass ?
  82. Crown 1400 CSL
  83. Fully differential 100W amplifier
  84. source for 4-pole capacitor?
  85. Meridian MCA-1 amplifier
  86. BAT Vk-500 schematics info??
  87. Help with repairing Rotel RA-1062
  88. Copper tracks conner angles
  89. Restoring a JBL SA-600
  90. "Vibrating" faceplate (actually has current) on vintage amplifier
  91. RIAA + IEC
  92. Amplifier with 220 input voltage vs 230 ?
  93. Parasound HCA-2200 problem - need some help
  94. Onkyo 805 - no sub output
  95. Celestion truvox 1020
  96. What to do with 4 little accurian amps??
  97. My amp is clipping with new speakers
  98. Is Audio GD C500 unity voltage gain.
  99. Selim's JLH Amp
  100. Someone able to ID some parts for me?
  101. New super pair?
  102. Which to choose?
  103. Connecting Powered PC Speakers To TV Headphone Jack, Need Amp - Help Please
  104. Differential pair questions
  105. weird DC offset at HF driving passive filter
  106. Yamaha c-80
  107. All FET JLH Class A
  108. Simpson-Sears Model RE-1205 schematic needed
  109. DC offset adjustment add-on
  110. Really clean medium power amp wanted
  111. AV1000 building
  112. Marantz PM-32
  113. Zen problem
  114. Newbie amp project power supply noise
  115. VINTAGE AMPLIFIERS ( The ultimate thread )
  116. Hafler 9505 amp Help
  117. coyote call ideas
  118. Need service manual for Accuphase E-303
  119. kenwood graphic equalizer GE 52
  120. Some help or a SM for PM-84 MK II
  121. Tivoli Model One - Internal fuse?
  122. Accuphase P600 problem
  123. Help with waveform on rails - looks unregulated
  124. Cyrus 3 help needed
  125. Help on op amps
  126. My HV opamp - Working suspiciously well
  127. Trying to Find MOSFETS D1975, B1317. HELP!
  128. Oppo 93NE to Marantz receiver.
  129. Sears RE-1205 AM/FM resever
  130. Darlington question
  131. Would you calculate and re-draw the circuit overcurrent protection ?
  132. New Class Aamplifier P18W1R
  133. Capacitor replacement / hiss advice
  134. Musical Fidelity P170 Bias
  135. Aaron Millenium 3, outputs tranzistors & quiescent current
  136. Pls Help - Sumo Polaris II
  137. Small Amp with 2 Inputs or More
  138. 2.1 Receivers Yamaha R-S500 vs. Harman Kardon HK-3490
  139. Need some help with Class A JLH power parameters
  140. Parasound ( John Curl ) 1206 upgrades?
  141. The Amp I use for my bass units
  142. Quad 405 linear PSU replacement with switcher.
  143. Luxman KV-105 crackling on one channel
  144. Measuring attack/release time of a compressor/limiter
  145. HAL SYMFET
  146. Transmitting from stereo to guitar amp.
  147. double sided thermal tape?
  148. Musical fidelity A100
  149. Upgrading/repairing vintage amps
  150. RIAA?
  151. Choke loaded MOSFET in circlotron??
  152. Help with DC on volume pot
  153. NIKKO Alpha 230 with a fan on top
  154. Output power of an average stereo system?
  155. How much power is the average Stereo?
  156. Soundcraftsmen A400 Schematic?
  157. help with cs800 peavey getting 6 volts on output
  158. Audionet AMP 1 idle current
  159. Accuphase p600
  160. Class H switching
  161. Sansui BA 5000 Loud pop at turn on / off
  162. New Project - Hybrid Amplifier High Quality
  163. arcam alpha 8 problem
  164. Playmaster Sixty-Sixty Stereo Amplifier SCHEMATIC
  165. looking for class AB amplifier schematic
  166. 1.4kW; is this crazy?
  167. Bias Adjustment on Bose 1800 Amplifier
  168. Two Amp Fire Balls... Please Tell Me Why
  169. No global feedback preamplifier
  170. x5 preamp circuit
  171. Simple Circlotron with power Mosfets
  172. Amp hum when RCA cable is connected
  173. Audio/video sync. Little help please?
  174. Class i and siblings
  175. Integrated Amp repair / conversion
  176. 2SA1102 vs 2SA1104 with 2SC2577
  177. ST151 100W AMP
  178. Cheating with microphone calibration
  179. DIY Amp
  180. PASS ALEPH 0s Capacitors replacement
  181. Marantz PM-440 service manual needed please!
  182. solid state ...forum people
  183. KSA 250 HELP!!!
  184. GFA-535 Brown gunk on output board
  185. Yet another broken NAD 3020 thread
  186. OCM 500 power amp - I need a copy of owner's manual...
  187. Need schematic KEF 25B sub amp SP2298
  188. nad 3020 overhaul/mod questions
  189. what opamp for lowpass filter?
  190. Non-complementary class AB linearized amp
  191. Speaker Protection Board Input Voltage Handling
  192. Power supply for balanced input stereo amplifier
  193. Transistor role in amplifier ? Properties
  194. RG59 for interconnect ( disscusion )
  195. DIY IMD Analyzer
  196. sprint pcb software
  197. 20W Blameless Class A
  198. Replacement Transformer for Quad 405
  199. Can anyone ID this amp? (there's no prize)
  200. Help finding service manual for cambridge 640r
  201. Sansui AU555
  202. hep, Parasound pfet 900II
  203. Ribbon poweramplifier
  204. Are you interested to improve cheap amplified speaker?
  205. Optimos - My Version
  206. APSA - The Analog Sound Processing Amplifier
  207. Cyrus 2 No balance
  208. Yamaha M60 modifications?
  209. Replacement for Motorola MPS-U10?
  210. 20KW POWER AMP SCHEMATIC
  211. Bi-amping with 2 integrated amplifiers
  212. Harmon Kardon HK560 repair
  213. Bose 1800: DC Offset Issues
  214. Power mosfet DIY topologies of tube ampli Single-ended
  215. Discrete or IC regulation power supply
  216. Federmann preamplifier
  217. ATI 1502 two-channel stereo Power amplifier
  218. Conditioning, Hipotting (Hi-Pot) Film Capacitors
  219. Updating Leach FET preamp: New transistors?????
  220. NAP90 Distortion Problem
  221. HK 770 pwr amp input caps - Replacement suggestions
  222. Velodyne ct-80 project
  223. Musical Fidelity transistors SM8605 SM8610
  224. Help understanding amplifier diagram.
  225. Improving Technics SU-8080
  226. Power Amp PCB Power distribution
  227. Parasound amps...
  228. Input impedance-Balanced operation
  229. Amplifiers: Building Vs Buying
  230. Roender's FC-100 prototype and builder's thread
  231. Amp for 16 ohm headphones (MDR-EX71SL)?
  232. Rockford boosted rail amplifier
  233. Questions about Transistors with high beta (hfe) up to 3000 without Darl.-Topology
  234. High Power Amplifier
  235. Powering Opamps???
  236. Fixing the dead Luxman R-117: need some help.
  237. Clean amplifier P8W4R, P4W8R
  238. [NEWBIE]Amplifier Design[NEWBIE]
  239. CM Labs CC-2 Preamp Repair/Upgrade
  240. SWTPC Repair/Upgrade
  241. Levinson ML-2 Cap Upgrade Audio- and Regulator card
  242. Turn on pre driver stage first or output stage first??
  243. Amplifier mains hum help
  244. NAD C372 Leaking Capacitors???? Help Please!
  245. Crossover distortion in push-pull
  246. Please recommend an amazing amp for beginner :)
  247. Front End DC Operating Point Current Magnitudes
  248. upc1237 supply question
  249. recommended 200-300watts / channel amplifier for HT?
  250. Krell Schematics for FPB series available on CD-ROM

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