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  1. advice on full upgrade for a pioneer m-73 power amplifier
  2. Kenwood Reverberation Amplifier RA-52
  3. Sunfire Grand Theater Processor II
  4. new and not sure of upgradeing happy new year
  5. Leach Amp Boards
  6. Amplifier kit on eBay
  7. TEC S-15 amp (1961 !): main amp schematics
  8. Noob Question - Will a Bad Cap Fry a Resistor?
  9. STK4044 IC compatibility
  10. Bypass Caps & Transistors
  11. Capacitor over feedback Resistor
  12. input/output capacitor uF question...
  13. the best 12v amp design/project
  14. Help a noob!
  15. 1W SE Class A Powerful Headphone or Weak Power Amp
  16. A prevent jitter scheme of relay attenuator
  17. Need help trouble shooting my BK ST 140
  18. Cloning the Luxman IC known as DML-02
  19. Krell KSA/KMA input stage mods
  20. crazy idle current compensation method?
  21. Silicon Grease Toxicity
  22. germanium amplifier
  23. Help with trouble shooting
  24. Adcom gfa-5400 mods?
  25. high vac at speaker terminals rotel rb1070
  26. What is sucking in this wiring?
  27. Damping factor can equate to less bass ?
  28. Crown 1400 CSL
  29. Fully differential 100W amplifier
  30. source for 4-pole capacitor?
  31. Meridian MCA-1 amplifier
  32. BAT Vk-500 schematics info??
  33. Help with repairing Rotel RA-1062
  34. Copper tracks conner angles
  35. Restoring a JBL SA-600
  36. "Vibrating" faceplate (actually has current) on vintage amplifier
  37. RIAA + IEC
  38. Amplifier with 220 input voltage vs 230 ?
  39. Parasound HCA-2200 problem - need some help
  40. Onkyo 805 - no sub output
  41. Celestion truvox 1020
  42. What to do with 4 little accurian amps??
  43. My amp is clipping with new speakers
  44. Is Audio GD C500 unity voltage gain.
  45. Selim's JLH Amp
  46. Someone able to ID some parts for me?
  47. New super pair?
  48. Which to choose?
  49. Connecting Powered PC Speakers To TV Headphone Jack, Need Amp - Help Please
  50. Differential pair questions
  51. weird DC offset at HF driving passive filter
  52. Yamaha c-80
  53. All FET JLH Class A
  54. Simpson-Sears Model RE-1205 schematic needed
  55. DC offset adjustment add-on
  56. Really clean medium power amp wanted
  57. AV1000 building
  58. Marantz PM-32
  59. Zen problem
  60. Newbie amp project power supply noise
  61. VINTAGE AMPLIFIERS ( The ultimate thread )
  62. Hafler 9505 amp Help
  63. coyote call ideas
  64. Need service manual for Accuphase E-303
  65. kenwood graphic equalizer GE 52
  66. Some help or a SM for PM-84 MK II
  67. Tivoli Model One - Internal fuse?
  68. Accuphase P600 problem
  69. Help with waveform on rails - looks unregulated
  70. Cyrus 3 help needed
  71. Help on op amps
  72. My HV opamp - Working suspiciously well
  73. Trying to Find MOSFETS D1975, B1317. HELP!
  74. Oppo 93NE to Marantz receiver.
  75. Sears RE-1205 AM/FM resever
  76. Darlington question
  77. Would you calculate and re-draw the circuit overcurrent protection ?
  78. New Class Aamplifier P18W1R
  79. Capacitor replacement / hiss advice
  80. Musical Fidelity P170 Bias
  81. Aaron Millenium 3, outputs tranzistors & quiescent current
  82. Pls Help - Sumo Polaris II
  83. Small Amp with 2 Inputs or More
  84. 2.1 Receivers Yamaha R-S500 vs. Harman Kardon HK-3490
  85. Need some help with Class A JLH power parameters
  86. Parasound ( John Curl ) 1206 upgrades?
  87. The Amp I use for my bass units
  88. Quad 405 linear PSU replacement with switcher.
  89. Luxman KV-105 crackling on one channel
  90. Measuring attack/release time of a compressor/limiter
  91. HAL SYMFET
  92. Transmitting from stereo to guitar amp.
  93. double sided thermal tape?
  94. Musical fidelity A100
  95. Upgrading/repairing vintage amps
  96. RIAA?
  97. Choke loaded MOSFET in circlotron??
  98. Help with DC on volume pot
  99. NIKKO Alpha 230 with a fan on top
  100. Output power of an average stereo system?
  101. How much power is the average Stereo?
  102. Soundcraftsmen A400 Schematic?
  103. help with cs800 peavey getting 6 volts on output
  104. Audionet AMP 1 idle current
  105. Accuphase p600
  106. Class H switching
  107. Sansui BA 5000 Loud pop at turn on / off
  108. New Project - Hybrid Amplifier High Quality
  109. arcam alpha 8 problem
  110. Playmaster Sixty-Sixty Stereo Amplifier SCHEMATIC
  111. looking for class AB amplifier schematic
  112. 1.4kW; is this crazy?
  113. Bias Adjustment on Bose 1800 Amplifier
  114. Two Amp Fire Balls... Please Tell Me Why
  115. No global feedback preamplifier
  116. x5 preamp circuit
  117. Simple Circlotron with power Mosfets
  118. Amp hum when RCA cable is connected
  119. Audio/video sync. Little help please?
  120. Class i and siblings
  121. Integrated Amp repair / conversion
  122. 2SA1102 vs 2SA1104 with 2SC2577
  123. ST151 100W AMP
  124. Cheating with microphone calibration
  125. DIY Amp
  126. PASS ALEPH 0s Capacitors replacement
  127. Marantz PM-440 service manual needed please!
  128. solid state ...forum people
  129. KSA 250 HELP!!!
  130. GFA-535 Brown gunk on output board
  131. Yet another broken NAD 3020 thread
  132. OCM 500 power amp - I need a copy of owner's manual...
  133. Need schematic KEF 25B sub amp SP2298
  134. nad 3020 overhaul/mod questions
  135. what opamp for lowpass filter?
  136. Non-complementary class AB linearized amp
  137. Speaker Protection Board Input Voltage Handling
  138. Power supply for balanced input stereo amplifier
  139. Transistor role in amplifier ? Properties
  140. RG59 for interconnect ( disscusion )
  141. DIY IMD Analyzer
  142. sprint pcb software
  143. 20W Blameless Class A
  144. Replacement Transformer for Quad 405
  145. Can anyone ID this amp? (there's no prize)
  146. Help finding service manual for cambridge 640r
  147. Sansui AU555
  148. hep, Parasound pfet 900II
  149. Ribbon poweramplifier
  150. Are you interested to improve cheap amplified speaker?
  151. Optimos - My Version
  152. APSA - The Analog Sound Processing Amplifier
  153. Cyrus 2 No balance
  154. Yamaha M60 modifications?
  155. Replacement for Motorola MPS-U10?
  156. 20KW POWER AMP SCHEMATIC
  157. Bi-amping with 2 integrated amplifiers
  158. Harmon Kardon HK560 repair
  159. Bose 1800: DC Offset Issues
  160. Power mosfet DIY topologies of tube ampli Single-ended
  161. Discrete or IC regulation power supply
  162. Federmann preamplifier
  163. ATI 1502 two-channel stereo Power amplifier
  164. Conditioning, Hipotting (Hi-Pot) Film Capacitors
  165. Updating Leach FET preamp: New transistors?????
  166. NAP90 Distortion Problem
  167. HK 770 pwr amp input caps - Replacement suggestions
  168. Velodyne ct-80 project
  169. Musical Fidelity transistors SM8605 SM8610
  170. Help understanding amplifier diagram.
  171. Improving Technics SU-8080
  172. Power Amp PCB Power distribution
  173. Parasound amps...
  174. Input impedance-Balanced operation
  175. Amplifiers: Building Vs Buying
  176. Roender's FC-100 prototype and builder's thread
  177. Amp for 16 ohm headphones (MDR-EX71SL)?
  178. Rockford boosted rail amplifier
  179. Questions about Transistors with high beta (hfe) up to 3000 without Darl.-Topology
  180. High Power Amplifier
  181. Powering Opamps???
  182. Fixing the dead Luxman R-117: need some help.
  183. Clean amplifier P8W4R, P4W8R
  184. [NEWBIE]Amplifier Design[NEWBIE]
  185. CM Labs CC-2 Preamp Repair/Upgrade
  186. SWTPC Repair/Upgrade
  187. Levinson ML-2 Cap Upgrade Audio- and Regulator card
  188. Turn on pre driver stage first or output stage first??
  189. Amplifier mains hum help
  190. NAD C372 Leaking Capacitors???? Help Please!
  191. Crossover distortion in push-pull
  192. Please recommend an amazing amp for beginner :)
  193. Front End DC Operating Point Current Magnitudes
  194. upc1237 supply question
  195. recommended 200-300watts / channel amplifier for HT?
  196. Krell Schematics for FPB series available on CD-ROM
  197. Modding Dayens Ampino
  198. Cambridge Audio P55 Schematic
  199. Mr Gromer LNA-1 opamp - 2SC2239BL equivalent
  200. Help needed for Adcom gfp-1A preamp
  201. Inkel MA920 CIRCUIT
  202. No heat sinks!
  203. HH electronic V-S Bassamp, diagram wanted
  204. Amplifier Transistor Replacement Help
  205. Part sub for MOSFET gurus
  206. Nakamichi SR-4A Idle Current Procedure
  207. Replacement Volume Control For Marantz PM 66 KI
  208. RCA Power Transistors BD750, BD751, BD550, BD550A, BD550B Data Sheet wanted
  209. Can a heatsink be too big?
  210. MARANTZ 2500 250w/ch receiver
  211. Threshold 800A amplifier versions
  212. circuit diagram for cambridge A70 power amp
  213. Self-cascoding, a tool for creating ultra high voltage building blocks:
  214. CC-CB cascade variations
  215. cheap big binding posts for metal chassis
  216. Luxman LV103u replacing output FET's
  217. Luxman L85V - Replace 2SA679-NTE280/81
  218. crow d150
  219. Behringer BXL900 Schematic needeed!
  220. sony ta-fb940r qs,left channel hardly there.
  221. HAL PREAMPLIFIERS
  222. Ebay kit diamond differential power amp
  223. High input impedance BJT preamplifer
  224. How to Bypass Relay on Sub Amp?
  225. Bandpass filters in audio circuit of communications receiver?
  226. Sony TA-313 vs Sony TA-F4A........which one???
  227. Help me identify the damage. Tivoli Model 1
  228. Mission Cyrus One - Volume Help Needed
  229. Troubleshooting a Denon 3802
  230. Hello! a few questions on the JLH 1969
  231. Buying a NAD 3020 in the seventies
  232. Sony STR-DE897 receiver - No power
  233. op-amp what voltage to use?
  234. Buzz diminishing with raised volume?
  235. Rod Elliot P3A Layout - Critics
  236. Another free PCB project: JLH headphone amplifier
  237. should i have a dc voltage across my spring rev. input?
  238. Interesting Site
  239. yamaha CA-510 amplifier power supply issue
  240. Hill Audio Multimix
  241. Diagnosing & Fixing a Ground Problem
  242. james bongiorno Amp. question
  243. Abnormal Clipping Need Help~~~
  244. Anyone else using an older flagship receiver for active amplification?
  245. RCA stav - 3990 powering off
  246. help:schematics for a Denon SA-3350 int amp
  247. Leak Stereo 30 Overhaul... Worth it?
  248. Solid State Amplifier - Overview of all Canadian Companies wanted
  249. Linear Audio Inc. - currently Website wanted
  250. Arcam Alpha 9p blowing fuse

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