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  1. Darlington question
  2. Would you calculate and re-draw the circuit overcurrent protection ?
  3. New Class Aamplifier P18W1R
  4. Capacitor replacement / hiss advice
  5. Musical Fidelity P170 Bias
  6. Aaron Millenium 3, outputs tranzistors & quiescent current
  7. Pls Help - Sumo Polaris II
  8. Small Amp with 2 Inputs or More
  9. 2.1 Receivers Yamaha R-S500 vs. Harman Kardon HK-3490
  10. Need some help with Class A JLH power parameters
  11. Parasound ( John Curl ) 1206 upgrades?
  12. The Amp I use for my bass units
  13. Quad 405 linear PSU replacement with switcher.
  14. Luxman KV-105 crackling on one channel
  15. Measuring attack/release time of a compressor/limiter
  16. HAL SYMFET
  17. Transmitting from stereo to guitar amp.
  18. double sided thermal tape?
  19. Musical fidelity A100
  20. Upgrading/repairing vintage amps
  21. RIAA?
  22. Choke loaded MOSFET in circlotron??
  23. Help with DC on volume pot
  24. NIKKO Alpha 230 with a fan on top
  25. Output power of an average stereo system?
  26. How much power is the average Stereo?
  27. Soundcraftsmen A400 Schematic?
  28. help with cs800 peavey getting 6 volts on output
  29. Audionet AMP 1 idle current
  30. Accuphase p600
  31. Class H switching
  32. Sansui BA 5000 Loud pop at turn on / off
  33. New Project - Hybrid Amplifier High Quality
  34. arcam alpha 8 problem
  35. Playmaster Sixty-Sixty Stereo Amplifier SCHEMATIC
  36. looking for class AB amplifier schematic
  37. 1.4kW; is this crazy?
  38. Bias Adjustment on Bose 1800 Amplifier
  39. Two Amp Fire Balls... Please Tell Me Why
  40. No global feedback preamplifier
  41. x5 preamp circuit
  42. Simple Circlotron with power Mosfets
  43. Amp hum when RCA cable is connected
  44. Audio/video sync. Little help please?
  45. Class i and siblings
  46. Integrated Amp repair / conversion
  47. 2SA1102 vs 2SA1104 with 2SC2577
  48. ST151 100W AMP
  49. Cheating with microphone calibration
  50. DIY Amp
  51. PASS ALEPH 0s Capacitors replacement
  52. Marantz PM-440 service manual needed please!
  53. solid state ...forum people
  54. KSA 250 HELP!!!
  55. GFA-535 Brown gunk on output board
  56. Yet another broken NAD 3020 thread
  57. OCM 500 power amp - I need a copy of owner's manual...
  58. Need schematic KEF 25B sub amp SP2298
  59. nad 3020 overhaul/mod questions
  60. what opamp for lowpass filter?
  61. Non-complementary class AB linearized amp
  62. Speaker Protection Board Input Voltage Handling
  63. Power supply for balanced input stereo amplifier
  64. Transistor role in amplifier ? Properties
  65. RG59 for interconnect ( disscusion )
  66. DIY IMD Analyzer
  67. sprint pcb software
  68. 20W Blameless Class A
  69. Replacement Transformer for Quad 405
  70. Can anyone ID this amp? (there's no prize)
  71. Help finding service manual for cambridge 640r
  72. Sansui AU555
  73. hep, Parasound pfet 900II
  74. Ribbon poweramplifier
  75. Are you interested to improve cheap amplified speaker?
  76. Optimos - My Version
  77. APSA - The Analog Sound Processing Amplifier
  78. Cyrus 2 No balance
  79. Yamaha M60 modifications?
  80. Replacement for Motorola MPS-U10?
  81. 20KW POWER AMP SCHEMATIC
  82. Bi-amping with 2 integrated amplifiers
  83. Harmon Kardon HK560 repair
  84. Bose 1800: DC Offset Issues
  85. Power mosfet DIY topologies of tube ampli Single-ended
  86. Discrete or IC regulation power supply
  87. Federmann preamplifier
  88. ATI 1502 two-channel stereo Power amplifier
  89. Conditioning, Hipotting (Hi-Pot) Film Capacitors
  90. Updating Leach FET preamp: New transistors?????
  91. NAP90 Distortion Problem
  92. HK 770 pwr amp input caps - Replacement suggestions
  93. Velodyne ct-80 project
  94. Musical Fidelity transistors SM8605 SM8610
  95. Help understanding amplifier diagram.
  96. Improving Technics SU-8080
  97. Power Amp PCB Power distribution
  98. Parasound amps...
  99. Input impedance-Balanced operation
  100. Amplifiers: Building Vs Buying
  101. Roender's FC-100 prototype and builder's thread
  102. Amp for 16 ohm headphones (MDR-EX71SL)?
  103. Rockford boosted rail amplifier
  104. Questions about Transistors with high beta (hfe) up to 3000 without Darl.-Topology
  105. High Power Amplifier
  106. Powering Opamps???
  107. Fixing the dead Luxman R-117: need some help.
  108. Clean amplifier P8W4R, P4W8R
  109. [NEWBIE]Amplifier Design[NEWBIE]
  110. CM Labs CC-2 Preamp Repair/Upgrade
  111. SWTPC Repair/Upgrade
  112. Levinson ML-2 Cap Upgrade Audio- and Regulator card
  113. Turn on pre driver stage first or output stage first??
  114. Amplifier mains hum help
  115. NAD C372 Leaking Capacitors???? Help Please!
  116. Crossover distortion in push-pull
  117. Please recommend an amazing amp for beginner :)
  118. Front End DC Operating Point Current Magnitudes
  119. upc1237 supply question
  120. recommended 200-300watts / channel amplifier for HT?
  121. Krell Schematics for FPB series available on CD-ROM
  122. Modding Dayens Ampino
  123. Cambridge Audio P55 Schematic
  124. Mr Gromer LNA-1 opamp - 2SC2239BL equivalent
  125. Help needed for Adcom gfp-1A preamp
  126. Inkel MA920 CIRCUIT
  127. No heat sinks!
  128. HH electronic V-S Bassamp, diagram wanted
  129. Amplifier Transistor Replacement Help
  130. Part sub for MOSFET gurus
  131. Nakamichi SR-4A Idle Current Procedure
  132. Replacement Volume Control For Marantz PM 66 KI
  133. RCA Power Transistors BD750, BD751, BD550, BD550A, BD550B Data Sheet wanted
  134. Can a heatsink be too big?
  135. MARANTZ 2500 250w/ch receiver
  136. Threshold 800A amplifier versions
  137. circuit diagram for cambridge A70 power amp
  138. Self-cascoding, a tool for creating ultra high voltage building blocks:
  139. CC-CB cascade variations
  140. cheap big binding posts for metal chassis
  141. Luxman LV103u replacing output FET's
  142. Luxman L85V - Replace 2SA679-NTE280/81
  143. crow d150
  144. Behringer BXL900 Schematic needeed!
  145. sony ta-fb940r qs,left channel hardly there.
  146. HAL PREAMPLIFIERS
  147. Ebay kit diamond differential power amp
  148. High input impedance BJT preamplifer
  149. How to Bypass Relay on Sub Amp?
  150. Bandpass filters in audio circuit of communications receiver?
  151. Sony TA-313 vs Sony TA-F4A........which one???
  152. Help me identify the damage. Tivoli Model 1
  153. Mission Cyrus One - Volume Help Needed
  154. Troubleshooting a Denon 3802
  155. Hello! a few questions on the JLH 1969
  156. Buying a NAD 3020 in the seventies
  157. Sony STR-DE897 receiver - No power
  158. op-amp what voltage to use?
  159. Buzz diminishing with raised volume?
  160. Rod Elliot P3A Layout - Critics
  161. Another free PCB project: JLH headphone amplifier
  162. should i have a dc voltage across my spring rev. input?
  163. Interesting Site
  164. yamaha CA-510 amplifier power supply issue
  165. Hill Audio Multimix
  166. Diagnosing & Fixing a Ground Problem
  167. james bongiorno Amp. question
  168. Abnormal Clipping Need Help~~~
  169. Anyone else using an older flagship receiver for active amplification?
  170. RCA stav - 3990 powering off
  171. help:schematics for a Denon SA-3350 int amp
  172. Leak Stereo 30 Overhaul... Worth it?
  173. Solid State Amplifier - Overview of all Canadian Companies wanted
  174. Linear Audio Inc. - currently Website wanted
  175. Arcam Alpha 9p blowing fuse
  176. Burnt power transistor
  177. SE Mosfet line stage with transformer output
  178. Please help me troubleshoot Niles Audio SI-1230 12 channel amp
  179. Help A Dummy: in simple language please.
  180. don't try this AMP at home
  181. Resistor Identification Help
  182. Suggestions to replace ?
  183. composit amplifier NE5534 swap
  184. JFET Phono Pre-amp clipping
  185. very heavy J-fet
  186. Switch to run a pair of speakers from 2 amps
  187. Dr. Leach Amplifier (commercially being sold?)
  188. A760II schematic needed
  189. question about germanium based amps
  190. A certain HAL Amplifier
  191. help split power supply
  192. Zero negative feedback
  193. pioneer a 88x can it be tweeked ??
  194. Multiple transistor heat dissipation.
  195. CXA1297P Specs
  196. Hawksford cascode experiences please
  197. Mute Logic for LDR volume control
  198. Amplifier project
  199. Substitute for BUK437 MOSFET
  200. How do i calculate the impedance?
  201. Static on Right Channel Realistic SPA-100
  202. 2sa970 - 2SC2240 replacement in SOT23 ?
  203. Bryston 2B, buzz.
  204. Australian Mosfet amplifier
  205. Is the PCB ok?...
  206. Marantz SR4120 not holding station presets
  207. bk st-140 burned resistors
  208. Pioneer SX-424 QUestions!
  209. Disturbing noise from a channel!!
  210. Heatsink top quality!
  211. help with mic preamp
  212. New to this... modded Acurus A250 w/issues
  213. Help cannot identify Amplifier Power transistor
  214. Problem with Fender Frontman 212R amp
  215. Unique way of muting for thump prevention, outside audio path.
  216. Schematics of Luxman L-505u?
  217. 2sc2240 as 2sc458 replacement
  218. Dx MkIII boards.
  219. Need schematic for Denon pma 250
  220. CFP Buffer
  221. Electrocompaniet aw-100dmb
  222. LM1877
  223. Fisher Amplifier Question
  224. What is difference between two circuits
  225. Measuring caps without ESR
  226. dx amp 33v psu
  227. Crown psa-2 Problem
  228. DC servo
  229. "Inverted" (not 'Inverting') Output Stage
  230. Rega Elex problem pointer
  231. Rega Mira Clamshell ~ circuit required
  232. Faulty HH Electronics MXA100
  233. Exicon lateral MOSFETs
  234. ESS Preamp + Amp Repairs Question?
  235. Amp repair help
  236. Halcro
  237. Hafler DH 500
  238. QUAD 520f dc offset
  239. Twin mono by combining stereo outputs
  240. "State-Of-MOS": 200W Ultra Low Distortion Pure FET Amplifier
  241. New project....Sony STR6065, Schematics needed!
  242. My JLH-2005
  243. Carver M-500t repair help.
  244. portable ipod dock question
  245. Phase Linear 300 (series2) output transistors.
  246. Coupling caps on long wires
  247. need help akai aa 1200 reciever
  248. What kind of BGW's final amp. module, is this ?
  249. clean 11 Vrms for 600ohm load
  250. JBL 5234A vs 5234 Frequency dividing networks

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