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  1. TCAAS
  2. Pre amp recommendation
  3. what is cy7c6801a pc 645041 and what does it do?
  4. Raising bias on Marantz SR4200 AV Receiver
  5. Will this schematic work ? (2SK2221/2SJ352 only)
  6. Legacy Whisper vs Klipsh Cornwall loading Mark Levinson ML-2
  7. what happens if transistors are not matched? especially output stage..
  8. SOME CLASS H, AB ,PROTECT POWER AMPS
  9. Please help me understand the voltage regulator with external bypass BJT?
  10. Lead size of TO-3 package and where to get insulated jumper wires?
  11. Cross reference 2SD234
  12. about maintenance of amplifiers
  13. Help with this preamp
  14. Input line 120hz on speaker output in class A?
  15. Need help
  16. How to make LME49810 amp 2 ohm stable?
  17. Make Hifi with 3 Triple Sziklai transistors in Simple Class A
  18. 3000w power amp sadaru
  19. Input capacitor 2.2uf Polystyrene or Mundorf Silver/oil?
  20. Negative side Mosfet heating up with mild hissing
  21. Should a 250VA toriodal be blowing a 1A fuse?
  22. The questions about Hi-fi audio for home use.
  23. Denon Output Transistors.
  24. Sansui 9090 help
  25. Diamonds and Pearls
  26. Seeking DC Enlightenment
  27. FETZILLA - The Builders Place
  28. N-Channel JFET sub
  29. Simple 85W amplifier
  30. NAD T753 receiver: No sound
  31. Power Supply and Other Re-capping
  32. Power Supply and Other Re-capping
  33. 100watt mono amp find???
  34. help! noob recapping an amp... really stuck.
  35. Powerbass atm-440.2
  36. uPC1237 too slow
  37. What type of capacitors are these?
  38. +/- 36 Volt Voltageamp with TMC error correction
  39. Sound of Op Amps...
  40. THRESHOLD S-300 UPGRADE
  41. Alternative method load for power testing amps?
  42. THRESHOLD S-300 UPGRADE
  43. alternativ symmetric amp
  44. Has anyone ever had experience with MUSE opamps?
  45. Baking a pcb for removing moisture
  46. Nad 3020e lost some of its volume , distortion
  47. Hafler P3000
  48. Krell KSA-150 Power board Reassamble HELP Please
  49. accurate Output Stage
  50. N-Channel JFET
  51. Musical Fidelity A100 resistors
  52. Help me from JFET
  53. Parts for NAK CA5
  54. Help for Rega biasing value
  55. Replacement transistors, NAIM NAP90
  56. DC Detection Question
  57. Leach driven by DRV134
  58. TO-3 Removal
  59. HOW CAN I CREATE 10% THD ??
  60. Another ESP P3A PCB design thread
  61. joule thief (draw more power from a power supply?)
  62. Found: SAE Series Two Power Switch
  63. Restart search for PS Audio Elite schematic.
  64. NAD 114 switch-on.
  65. Cadsoft eagle package LSK389
  66. gallien-krueger MB150s 120v to 230v conversion?
  67. New modern amp or classic second hand?
  68. Capicator Whine? PPI PC2350
  69. How much big a heatsink has to be?
  70. NAD C326BEE upgrades
  71. Cyrus 2 - removing cover
  72. Idling setting for Yamaha MX-2000 ?
  73. Philips 391 Intergrated Amplifier guts?
  74. 500w mosfet power amp sadaru
  75. Adjusting DC offset issues
  76. New Lineup IDEA - Power Follower/Output stage
  77. PS Audio 100c thump
  78. Just scored a Sanyo DC-8500K, Can its preamp board drive a Matsushita EPC-451C?
  79. Krell KSA 250 - The Mother Clone !!!
  80. AV400 Bias adjust and Transistor burning accidents
  81. how to match the Transistors like toshiba 5200 1943
  82. Power amp right channel running hot.
  83. Class G plate amp problem
  84. ARCAM D290 DEAD - PLEASE HELP
  85. I am having fun..the one is saying bad things is a friend
  86. Increasing the output power of a car amplifier.
  87. PCB for TDA7295
  88. VSP Labs TransMOS
  89. CS800X output amp cicuitry
  90. Heatsink gradients and Vbe
  91. Are these ok for usage in a vas / current source ?
  92. help with Luxman l-200
  93. why do old amps sound is liked by many serious audiophiles even though...
  94. Best suited power mosfets for amplifiers
  95. why do old amps has sleeve on the resistors pins...
  96. A872e Replacement
  97. See any issues with this class A current clip detect circuit?
  98. Effects of emitter resistors in a hifi amp?
  99. Sansui 9090 bias
  100. Replacement For MPSU10/60
  101. Attempting to restore a Pioneer 202 spring reverb
  102. Quad 405 clone parts
  103. Parts quality does matter, yes, but..
  104. Sources for TO220 heatsinks?
  105. line level stereo volume control using one pot?
  106. REPLACE TIP36 + 2N3055 IN TDA2030A
  107. Amp is making loud "boom pop" noises every second or so..
  108. R24 incomplete
  109. Krell KSA-250 low frequency oscillation
  110. Newly built ESP P03 (not 3A) - rail to rail oscillation - suggestions?
  111. Musical Fidelity 3A-X preamplifier
  112. Denon DR-M07 Cassette Deck
  113. PCB manufacturer EU - thick copper ...
  114. Liquid discharge from capacitors?
  115. Adcom GFA-565 with very high DC offset
  116. Adcom GFA-2535 Bias Adjustment
  117. Balance control for MF pre-amp
  118. DAC what for ?
  119. An active Current Dump amplifier design idea.
  120. Mechanical Transformer Hum
  121. Va rating reloaded
  122. Threshold s/200 question
  123. thanks for help
  124. dmm hfe
  125. Parasound HCA-800 II - How to Bias?
  126. Rega channel selection broken!!
  127. Amp project to use 2 XFOS I have lying around
  128. Any hifi but simple line level stereo to mono converter?
  129. quad 303 burnt component
  130. Any Stockholm Members
  131. TA-N7B new circuit operation brochure
  132. Best location for amplifier's output inductor?
  133. NAD 3120 parts
  134. Maximum output power/current from a transformer?
  135. Sansui 9090 IC equivalent circuit
  136. Samson Servo 260
  137. Conn Organ Amp Question
  138. doubt about amplifiers and active crossover
  139. PV 1.3K won't drive 2 ohms with DDT on
  140. combining amplifiers help!
  141. High Brightness LED Zener Like Curve
  142. brand capacitors need for recap
  143. Dual CV-441 RC darlingtons modifications
  144. help with adcom 555 amp left channel death
  145. Class i
  146. Schematic or Parasound Zamp ver 1
  147. Emitter resistors, single piece?
  148. Crown Amplifier
  149. Apex HV23
  150. Input coupling capacitor sizing
  151. MTE AUDIO AMP
  152. Another NAD 3020e repair thread
  153. Peavey CS800X Power Transistors
  154. Schematic for sound craft spirit mate 350
  155. audiolab 8000a transformer blown!
  156. TEAC Distinction Series AI-2000 Integrated
  157. Sony amp - loud static on Rch
  158. Audiolab 8000A Class A?
  159. Pioneer SA 9500 mk 1
  160. Clip Light
  161. Prototype power amplifier
  162. Please help me choose my next amplifier build!
  163. Adcom GFA555-II help needed...
  164. Help on restoring amplifier
  165. Good Article on Vintage vs New Hi Fi Equipment
  166. how do I make a push-pull amplifier?
  167. Voltage regulator oscillation at 850khz at high current
  168. Kind of embarasing but how do I use this toroidal transformer?
  169. Little GEM
  170. (Creating) TDA7375 based amp
  171. TDA7375 based amplifier (creation)
  172. Kenwood KM X-1000 service manual
  173. Krell KSA 100 mk2 recap- advice required
  174. Proven class AB designs for ~100 watts of output
  175. ~100khz sinudodial signal superimposed on the output of a common emitter stage
  176. how important is damping factor of 1000
  177. Yamaha P7000s faulty
  178. Can I remove hum from active speakers?
  179. WLX-7 Speaker protection board
  180. SuperFeel 6 - a new configuration
  181. specs vs perception solved
  182. Creek 4330 died
  183. Simple Amp Help
  184. First build
  185. 100-200W AMP suggestion
  186. Suggestions on first build 100-200W
  187. Dx Blame ST together Dx Super A
  188. An ultimate amp protection circuit ?
  189. Didoes vs Zeners for providing a vbe reference?
  190. Question about Hafler DH110 and DH500
  191. AKAI AM-2200 Upgrades
  192. Sony system failure - full investigation thread
  193. Help needed on a new DIY amp project
  194. Practical MOSFET Amp Design/Speculation/Questions:
  195. crown xls 602 need help,no output
  196. Leach amp troubleshooting
  197. HELP!! Denon PMA-655R (source selector)
  198. White Noise and Amplification Wattage (newbie question)
  199. Help needed with Mosfet power amp
  200. SMD redesign or back to through hole?
  201. Help with circuit diagram of amplifier
  202. Power Amp Hum !!
  203. Building a 1987 power amp
  204. Active Bandpass Filter Equalizer (Guitar Pedal)
  205. Apex B500 problems
  206. solid state capacitor question
  207. Looking for Primare A30.1 schematic or servicemanual
  208. 1000w mosfet power amp
  209. Cyrus II r/ch distorcion
  210. HC 2000 power amp
  211. Dead Altec 9440a
  212. Adcom GFA-555II advice needed...
  213. Scratchy pots
  214. PS Audio E2C P/S fuse value?
  215. heat spreader insulation sheet - where to buy?
  216. MYBEST5 Jfet CFP amplifier
  217. Behringher INuke 3000 DSP PreAmp
  218. I think I majorly screwed up - Technics SU-7700
  219. Pre-Amp distortion
  220. PS Audio Elite components??
  221. Transformerless input for 150ohm mics ??
  222. Distorted waveform from PC microphone
  223. How to determine if your transistors are "too hot"
  224. Cyrus One/Two volume pot... linear???
  225. Dx Custom.... the Bass Machine!
  226. early Naim manual speaker cable info
  227. Nakamichi PA-7 bias trimpots...
  228. Need Adcom GFA-555 II Test Point Help...
  229. Moving the Multiplier to the heatsink, or To3, or Collector lead
  230. 360w 8ohms, 550w 4 ohms mosfet
  231. SIMPLE 1KW AB Amplifier
  232. What about the use of amplifiers 2sb737.2sa970.2sa1316? someone tried
  233. can anyone explain this amplifier? Audio Telex 2sa500B
  234. Pilot Console 30 W Solid State Specs?
  235. ♫♪--My little posh Tringlophone--♪♫
  236. capacitor in series protect speakers from getting damaged due to signal clipping
  237. Replacment for IRF064N
  238. class A simple design with constant current source
  239. Hiraga 30 watt. Advice needed
  240. ultra low power op amp
  241. yamaha B-4 amplifier
  242. OEM car amp, increase output??
  243. P3A 100W layout - comments?
  244. Low Power Design Suggestion?
  245. HP 6269B 0-40V@0-50A REGULATED DC POWER SUPPLY for DIY amplifier
  246. Need help with 60hz hum/ground loop. Schematic attached.
  247. Sansui AU-6500 died on me :(
  248. Help Needed - Sub Amp Died
  249. PCB layout problems
  250. Vecteur cable designate from an old speaker cable (e. g. for YBA) wanted

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