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  1. Accuphase P600 problem
  2. Help with waveform on rails - looks unregulated
  3. Cyrus 3 help needed
  4. Help on op amps
  5. My HV opamp - Working suspiciously well
  6. Trying to Find MOSFETS D1975, B1317. HELP!
  7. Oppo 93NE to Marantz receiver.
  8. Sears RE-1205 AM/FM resever
  9. Darlington question
  10. Would you calculate and re-draw the circuit overcurrent protection ?
  11. New Class Aamplifier P18W1R
  12. Capacitor replacement / hiss advice
  13. Musical Fidelity P170 Bias
  14. Aaron Millenium 3, outputs tranzistors & quiescent current
  15. Pls Help - Sumo Polaris II
  16. Small Amp with 2 Inputs or More
  17. 2.1 Receivers Yamaha R-S500 vs. Harman Kardon HK-3490
  18. Need some help with Class A JLH power parameters
  19. Parasound ( John Curl ) 1206 upgrades?
  20. The Amp I use for my bass units
  21. Quad 405 linear PSU replacement with switcher.
  22. Luxman KV-105 crackling on one channel
  23. Measuring attack/release time of a compressor/limiter
  24. HAL SYMFET
  25. Transmitting from stereo to guitar amp.
  26. double sided thermal tape?
  27. Musical fidelity A100
  28. Upgrading/repairing vintage amps
  29. RIAA?
  30. Choke loaded MOSFET in circlotron??
  31. Help with DC on volume pot
  32. NIKKO Alpha 230 with a fan on top
  33. Output power of an average stereo system?
  34. How much power is the average Stereo?
  35. Soundcraftsmen A400 Schematic?
  36. help with cs800 peavey getting 6 volts on output
  37. Audionet AMP 1 idle current
  38. Accuphase p600
  39. Class H switching
  40. Sansui BA 5000 Loud pop at turn on / off
  41. New Project - Hybrid Amplifier High Quality
  42. arcam alpha 8 problem
  43. Playmaster Sixty-Sixty Stereo Amplifier SCHEMATIC
  44. looking for class AB amplifier schematic
  45. 1.4kW; is this crazy?
  46. Bias Adjustment on Bose 1800 Amplifier
  47. Two Amp Fire Balls... Please Tell Me Why
  48. No global feedback preamplifier
  49. x5 preamp circuit
  50. Simple Circlotron with power Mosfets
  51. Amp hum when RCA cable is connected
  52. Audio/video sync. Little help please?
  53. Class i and siblings
  54. Integrated Amp repair / conversion
  55. 2SA1102 vs 2SA1104 with 2SC2577
  56. ST151 100W AMP
  57. Cheating with microphone calibration
  58. DIY Amp
  59. PASS ALEPH 0s Capacitors replacement
  60. Marantz PM-440 service manual needed please!
  61. solid state ...forum people
  62. KSA 250 HELP!!!
  63. GFA-535 Brown gunk on output board
  64. Yet another broken NAD 3020 thread
  65. OCM 500 power amp - I need a copy of owner's manual...
  66. Need schematic KEF 25B sub amp SP2298
  67. nad 3020 overhaul/mod questions
  68. what opamp for lowpass filter?
  69. Non-complementary class AB linearized amp
  70. Speaker Protection Board Input Voltage Handling
  71. Power supply for balanced input stereo amplifier
  72. Transistor role in amplifier ? Properties
  73. RG59 for interconnect ( disscusion )
  74. DIY IMD Analyzer
  75. sprint pcb software
  76. 20W Blameless Class A
  77. Replacement Transformer for Quad 405
  78. Can anyone ID this amp? (there's no prize)
  79. Help finding service manual for cambridge 640r
  80. Sansui AU555
  81. hep, Parasound pfet 900II
  82. Ribbon poweramplifier
  83. Are you interested to improve cheap amplified speaker?
  84. Optimos - My Version
  85. APSA - The Analog Sound Processing Amplifier
  86. Cyrus 2 No balance
  87. Yamaha M60 modifications?
  88. Replacement for Motorola MPS-U10?
  89. 20KW POWER AMP SCHEMATIC
  90. Bi-amping with 2 integrated amplifiers
  91. Harmon Kardon HK560 repair
  92. Bose 1800: DC Offset Issues
  93. Power mosfet DIY topologies of tube ampli Single-ended
  94. Discrete or IC regulation power supply
  95. Federmann preamplifier
  96. ATI 1502 two-channel stereo Power amplifier
  97. Conditioning, Hipotting (Hi-Pot) Film Capacitors
  98. Updating Leach FET preamp: New transistors?????
  99. NAP90 Distortion Problem
  100. HK 770 pwr amp input caps - Replacement suggestions
  101. Velodyne ct-80 project
  102. Musical Fidelity transistors SM8605 SM8610
  103. Help understanding amplifier diagram.
  104. Improving Technics SU-8080
  105. Power Amp PCB Power distribution
  106. Parasound amps...
  107. Input impedance-Balanced operation
  108. Amplifiers: Building Vs Buying
  109. Roender's FC-100 prototype and builder's thread
  110. Amp for 16 ohm headphones (MDR-EX71SL)?
  111. Rockford boosted rail amplifier
  112. Questions about Transistors with high beta (hfe) up to 3000 without Darl.-Topology
  113. High Power Amplifier
  114. Powering Opamps???
  115. Fixing the dead Luxman R-117: need some help.
  116. Clean amplifier P8W4R, P4W8R
  117. [NEWBIE]Amplifier Design[NEWBIE]
  118. CM Labs CC-2 Preamp Repair/Upgrade
  119. SWTPC Repair/Upgrade
  120. Levinson ML-2 Cap Upgrade Audio- and Regulator card
  121. Turn on pre driver stage first or output stage first??
  122. Amplifier mains hum help
  123. NAD C372 Leaking Capacitors???? Help Please!
  124. Crossover distortion in push-pull
  125. Please recommend an amazing amp for beginner :)
  126. Front End DC Operating Point Current Magnitudes
  127. upc1237 supply question
  128. recommended 200-300watts / channel amplifier for HT?
  129. Krell Schematics for FPB series available on CD-ROM
  130. Modding Dayens Ampino
  131. Cambridge Audio P55 Schematic
  132. Mr Gromer LNA-1 opamp - 2SC2239BL equivalent
  133. Help needed for Adcom gfp-1A preamp
  134. Inkel MA920 CIRCUIT
  135. No heat sinks!
  136. HH electronic V-S Bassamp, diagram wanted
  137. Amplifier Transistor Replacement Help
  138. Part sub for MOSFET gurus
  139. Nakamichi SR-4A Idle Current Procedure
  140. Replacement Volume Control For Marantz PM 66 KI
  141. RCA Power Transistors BD750, BD751, BD550, BD550A, BD550B Data Sheet wanted
  142. Can a heatsink be too big?
  143. MARANTZ 2500 250w/ch receiver
  144. Threshold 800A amplifier versions
  145. circuit diagram for cambridge A70 power amp
  146. Self-cascoding, a tool for creating ultra high voltage building blocks:
  147. CC-CB cascade variations
  148. cheap big binding posts for metal chassis
  149. Luxman LV103u replacing output FET's
  150. Luxman L85V - Replace 2SA679-NTE280/81
  151. crow d150
  152. Behringer BXL900 Schematic needeed!
  153. sony ta-fb940r qs,left channel hardly there.
  154. HAL PREAMPLIFIERS
  155. Ebay kit diamond differential power amp
  156. High input impedance BJT preamplifer
  157. How to Bypass Relay on Sub Amp?
  158. Bandpass filters in audio circuit of communications receiver?
  159. Sony TA-313 vs Sony TA-F4A........which one???
  160. Help me identify the damage. Tivoli Model 1
  161. Mission Cyrus One - Volume Help Needed
  162. Troubleshooting a Denon 3802
  163. Hello! a few questions on the JLH 1969
  164. Buying a NAD 3020 in the seventies
  165. Sony STR-DE897 receiver - No power
  166. op-amp what voltage to use?
  167. Buzz diminishing with raised volume?
  168. Rod Elliot P3A Layout - Critics
  169. Another free PCB project: JLH headphone amplifier
  170. should i have a dc voltage across my spring rev. input?
  171. Interesting Site
  172. yamaha CA-510 amplifier power supply issue
  173. Hill Audio Multimix
  174. Diagnosing & Fixing a Ground Problem
  175. james bongiorno Amp. question
  176. Abnormal Clipping Need Help~~~
  177. Anyone else using an older flagship receiver for active amplification?
  178. RCA stav - 3990 powering off
  179. help:schematics for a Denon SA-3350 int amp
  180. Leak Stereo 30 Overhaul... Worth it?
  181. Solid State Amplifier - Overview of all Canadian Companies wanted
  182. Linear Audio Inc. - currently Website wanted
  183. Arcam Alpha 9p blowing fuse
  184. Burnt power transistor
  185. SE Mosfet line stage with transformer output
  186. Please help me troubleshoot Niles Audio SI-1230 12 channel amp
  187. Help A Dummy: in simple language please.
  188. don't try this AMP at home
  189. Resistor Identification Help
  190. Suggestions to replace ?
  191. composit amplifier NE5534 swap
  192. JFET Phono Pre-amp clipping
  193. very heavy J-fet
  194. Switch to run a pair of speakers from 2 amps
  195. Dr. Leach Amplifier (commercially being sold?)
  196. A760II schematic needed
  197. question about germanium based amps
  198. A certain HAL Amplifier
  199. help split power supply
  200. Zero negative feedback
  201. pioneer a 88x can it be tweeked ??
  202. Multiple transistor heat dissipation.
  203. CXA1297P Specs
  204. Hawksford cascode experiences please
  205. Mute Logic for LDR volume control
  206. Amplifier project
  207. Substitute for BUK437 MOSFET
  208. How do i calculate the impedance?
  209. Static on Right Channel Realistic SPA-100
  210. 2sa970 - 2SC2240 replacement in SOT23 ?
  211. Bryston 2B, buzz.
  212. Australian Mosfet amplifier
  213. Is the PCB ok?...
  214. Marantz SR4120 not holding station presets
  215. bk st-140 burned resistors
  216. Pioneer SX-424 QUestions!
  217. Disturbing noise from a channel!!
  218. Heatsink top quality!
  219. help with mic preamp
  220. New to this... modded Acurus A250 w/issues
  221. Help cannot identify Amplifier Power transistor
  222. Problem with Fender Frontman 212R amp
  223. Unique way of muting for thump prevention, outside audio path.
  224. Schematics of Luxman L-505u?
  225. 2sc2240 as 2sc458 replacement
  226. Dx MkIII boards.
  227. Need schematic for Denon pma 250
  228. CFP Buffer
  229. Electrocompaniet aw-100dmb
  230. LM1877
  231. Fisher Amplifier Question
  232. What is difference between two circuits
  233. Measuring caps without ESR
  234. dx amp 33v psu
  235. Crown psa-2 Problem
  236. DC servo
  237. "Inverted" (not 'Inverting') Output Stage
  238. Rega Elex problem pointer
  239. Rega Mira Clamshell ~ circuit required
  240. Faulty HH Electronics MXA100
  241. Exicon lateral MOSFETs
  242. ESS Preamp + Amp Repairs Question?
  243. Amp repair help
  244. Halcro
  245. Hafler DH 500
  246. QUAD 520f dc offset
  247. Twin mono by combining stereo outputs
  248. "State-Of-MOS": 200W Ultra Low Distortion Pure FET Amplifier
  249. New project....Sony STR6065, Schematics needed!
  250. My JLH-2005

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