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  1. Sony STR-DE675 problem..
  2. super simple DC detect for balanced amp
  3. How to build a Hackernap ?
  4. Choice of nulling trimmer and slew rate with CA3140T Op-Amp
  5. Magnum IA 170 ....
  6. TL072 Upgrade
  7. Need Parasound DR40 Schematic
  8. What can I do with 2 AMP (nope not monos) ?
  9. AKG C414 B uls mysterious electrical noise problem
  10. Total no0b question on a Sony N80ES amp
  11. Schematic help! Take a look at this NAD 2600A diagram
  12. Repairing a Luxman l-410...
  13. Yamaha R9
  14. MJL3281 Vbe matching
  15. What is this amp, and what do you think of it?
  16. Amp Output Testing
  17. SIT 2SK82 Circlotron Power Buffer
  18. SECA Kit By Colin Wonfor
  19. Right channel not working properly on Technics amp
  20. Issues with Musical fidelity A1
  21. Yamaha RX-V793
  22. Crown XLS 802
  23. ever heard of Motorola 7151
  24. Powered Mixer on but no sound heat sink not getting hot
  25. Arcam FMJ A22 Flashing Red Power LED
  26. Improve a Rotel amp THD by 20dB!
  27. Onkyo A8700 Blowing fuse
  28. NAD 2600 will not turn on !
  29. Diy class a 5W amplifier
  30. Multi Channel Amplifier Power, Preamp and Digital Grouding
  31. Looking for service manual Para JC1's
  32. What this colors mean ?
  33. EV 2.0kw class H high rail oscillation?
  34. H-K 520 blowing power fuse
  35. Service manual BGW PS 3
  36. How powerful should an amplifier be?
  37. trying to find Crown's service theory pdf(odep)
  38. Potentiometer replacement for Sony TA FA 777 ES
  39. Onkyo TX-NR808 fault
  40. Aiwa amplifier with power supply electronic voltage switch?
  41. please help!DC voltage in AV400 amp output
  42. Please help Yamaha rx-1030 problem
  43. Help with a factory reset
  44. Crest CA-18; one channel died peacefully
  45. crackling noise Pioneer SA-8500
  46. P3A amp shutdown 'plop'
  47. Chinese made Kit solid state Amplifiers on Ebay
  48. Bass blocking cap at amp input
  49. Does the Crown K2 inject delay? How to test?
  50. Parasound HCA-1000a Refresh
  51. Need some help with an active system
  52. Power at 8ohm, 4 and 2....
  53. Pioneer sc-lx71 blowing fuses
  54. Volume potentiometer replacement,pins.
  55. Interesting bit on capacitors....
  56. Phase Linear 700b refurb and full complementary conversion
  57. Yamaha AX-630
  58. What kind of capacitors inside this ?
  59. Wharfedale SW150 Active Subwoofer help
  60. Single Supply Amp
  61. Dynaco Stereo 400 - suggested TLC?
  62. In your class AB designs generally where is your second pole?
  63. Need spice model for 2SA1163
  64. Amplifier
  65. What is responsible for "control" of loudspeakers?
  66. Harmon Kardon-870 no lights
  67. Dynaco ST-100? I would much appreciate any info on this model.
  68. reparing old amplifier tectronic sa 535
  69. Best PJFET for CCS?
  70. keep smokin transistor!!
  71. Audio Innovations Alto mk 1
  72. Add more inputs to vintage preamp?
  73. turn on pop noisy standby
  74. Mosfet hybrid offset issue
  75. Need help ns450 200 watts amp bias adjust
  76. Schematic for 2SK351 - Quasi?
  77. About op-amps use.
  78. Module amp build help
  79. Op-amp decoupling - best practice?
  80. Rotel RB-980BX schematic
  81. Crown Pro amp ground up refurbish?
  82. Rod Elliot P68 Output DC offset.
  83. Discrete Tandy/Realistic transistor amp: Thermistor?
  84. Miniature bulbs replacement rule?
  85. CRELL and Konzert Schematics
  86. SIT amp simmulation, 2SK79+2SK82 push-pull
  87. Any suggestions on who to upgrade HCA-3500
  88. Technics ampifiers put an end to it's disgusting reviews yes or no for it to be!
  89. jbl vrx 932LAP/918SP schematics needed
  90. Qsc 850 help
  91. TIP3055/TIP2955 ST semi wierd(please help)
  92. Assembling an HDMI to 5.1/7.1 system
  93. Would amp designers (e.g. Pass) replace old caps?
  94. calculating high-pass filter for these components
  95. Uneven slew rates, does it matter?
  96. Luxman L-85V
  97. Troubleshooting stereo amplifier
  98. Akai AA-V1500 Amplifier Repair Help
  99. L20 V9.2
  100. Biasing MJ2955 and 2N3055
  101. Adcom 565 mono block with strange issue
  102. Luxman L-510 capacitors?
  103. Is this another DC offset question?
  104. Amplifier Akai am-u33, powers on, but no sound
  105. transistor heat excess and upgrade components
  106. Building a Quad 306 Clone
  107. Basic Amplier Toubleshooting
  108. Luxman R-113 relay(?) issue
  109. Need spice model for 2SA1618 and 2SC4207
  110. Bogus amplifier
  111. Sugden A21a...hummy
  112. Speaker protection relay issue
  113. Bridging w/ Input Transformers?
  114. Why not use emitter coupled matched pairs instead of emitter resistors?
  115. Technics SU-2400
  116. BGW 750C Recap, help a newbie out?
  117. BPA200 LM4780 Board (Unfinished) Design
  118. Oliver bias set point for class AB power amps
  119. Magnetic field of brushless DC fan
  120. Buy or build?
  121. LeachAmp power up
  122. k10 power amplifier
  123. Protection relays
  124. Any other method of killing bandwidth of an amp besides a large compensation cap?
  125. New to the forums
  126. How close should the +/- rails mirror each other
  127. Uso de diodos MUR3060
  128. Help with my new "old" SS anp.
  129. Sansui G6000 clone BY Dx .... not mine, just something i have prepared to share
  130. CYRUS 6 Amplifier please help
  131. Back to back diodes at inputs of opamps
  132. Amplifier speakers relay: how to pop open the cap on them?
  133. Grounding (Power Vs Signal)
  134. Pioneer A400 Volume Pot Replacement
  135. LME49811 with KSA1381 as headphone amplifier 600ohm imp
  136. Counterpoint SA 20 Amp Blowing Main fuse
  137. Celestion 6000 system...
  138. HK Citation 16 (Not the A model)
  139. Using a line preamp to drive headphone
  140. Nad amplifier c 352 with pop sound from speakers?
  141. Dynaco - ST 400 PC-29 mods/upgrades
  142. Transformer Upgrade
  143. Thermaltrak Amplifier Project (assembling soon!)
  144. Tivoli Model One Problem
  145. AU-999 with new Caps still "pops"
  146. I would like a few ideas..
  147. Does change of high speed power transistor/rectifier increase the dynamic
  148. MX50SE LJM 2015
  149. offset won't zero
  150. Amp working but bulb tester glows
  151. KEC Transistor Data Sheets
  152. Why no fully differential circuits?
  153. Advice for Amplifier Bias
  154. Another variation to the MCA amplifier
  155. Need help powering up diy amp for the first time
  156. Replacement for 2SC2362
  157. Data sheet Sanyo STK0231
  158. 2 channel amp recommendations
  159. Just won a AB International 600LX, what to check first?
  160. Crown K2 repair project
  161. Pkn Xd6000 amp for B&C 18SW115 drives
  162. quad 405 amplifier and clone boards from China
  163. Lafayette Radio Int. Amplifier
  164. Interview at Hi-fi Answers
  165. Quad 34 preamp all lights on problem
  166. First discrete BJT Amp
  167. Input Coupling Capacitor
  168. Weird idea for a Quad 303 housing
  169. Looking for a good value pre-amp
  170. Example of CFP output stage with dual rails?
  171. AudioResearch D240 mkI or mkII
  172. Compensate Bias for DC offset?
  173. best Value in used high power amps?
  174. Bias and balance adjustment for Hafler DH-120
  175. Rotel RA 500
  176. Yamaha DSP-3070 vs Marantz PM6005/Simlar
  177. Recapping a Quad 303
  178. Amplifier Gain
  179. How much better is steel casework vs aluminium (aluminium) for shielding?
  180. NAD C370 dead?
  181. Spectral DMC-10 Repair Help
  182. Adcom GFA-5400 / Help please...
  183. Musical Fidelity B1 Overhaul
  184. Adcom 535 help.
  185. nad c370 loses right channel
  186. Leach based amplifier design
  187. HERE is the Entire Spectral DMC-6 Owners Manual
  188. TIP35C/36C quick help needed
  189. Transistors Substitute
  190. Can anyone identify the source of the problem?
  191. Dayton Amplifier
  192. the users of Kenwood KA2200 sigma drive indicator pls help
  193. what do you think of this design?
  194. What are these capacitors?
  195. SAE 310 Transistor replacement info
  196. QUAD 99 power amp
  197. Help troubleshooting yamaha ms400 please
  198. How to set bias on a vintage amp with all new trannies ?
  199. DC Servo DIY Kit for DCCancellation
  200. My new amp
  201. Opinion about PCB
  202. Threshold T400 repair, need help
  203. Luxman M-4000 problems
  204. What amp for this box ?
  205. Old grundig offset level
  206. Where to start when green
  207. Non Super Tramp Trace Elliot (TDA1514A)
  208. Buttkicker bka-130-c
  209. Low "Ft" TO-3 transistors vs high "Ft" ?
  210. Denon avr 2802 no sound on speakers but "works"
  211. Akai AMU110
  212. Capacitor value in Zobel Network
  213. Mega Simple Class A Amplifier
  214. Strategy to track down a short
  215. Tiger in your amp
  216. Amp On/Off Speaker Noise
  217. Marantz sc-8 intermittent greatness
  218. VAS cascode to direct drive high power MOSFET OPS
  219. AnalogMetric kits??
  220. Technics SU-VX800 Given to me
  221. ALchemist adp20a power amp. Low output
  222. Preamplifier who is it?
  223. Amp stable for 2ohm speakers.
  224. Need replacements for transistors; 2SC2634
  225. MD7001 and MD7021
  226. Altec Lansing 621
  227. Why does this DAC use an NJM4558 for the Low Pass Filter ?
  228. Sony TA-F700ES keeps blowing fuse
  229. cm labs 912p
  230. My last amplifier
  231. How many transistors inside 2SA1302/2SC3281 ?
  232. Safe to downgrade from TO-264 to TO-3P
  233. Old Solid State Power Amp.schematics class AB
  234. 2SC3858/2SA1494 based amplifier?
  235. Hum problem
  236. Power amplifier inspired by Gryphon Tabu (NAD S300)
  237. Kicker 354xi resistor color code
  238. ok, blew-up my speakers :(
  239. Loud hum problem
  240. Quad 520F transistor change?
  241. suggestions for oscillation on neg half of output
  242. What is this discreate component?
  243. Klipsch Promedia 2.1 repair help
  244. Please help the dummy. Adcom gfa 5503
  245. Yamaha RX-797 - no power to device
  246. Simple no GNFB LATFET amp
  247. yamaha rx v-797
  248. NAD C 320 (non-BEE): Volume dial not moving
  249. 2sc2922/2sa1216 help me to find out fake or not
  250. I have this solid state RadioShack PA amp. Can I make a cool 2.1 system with it?

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