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  1. Alternative buffer topologies
  2. 400 Watt in 8ohms/ 800 watt in 4 Ohms
  3. Until I can afford a digital unit Old Technics??
  4. Yamaha AX 500u schematic, integrated amp
  5. Power rating for short circuit protection in linear voltage regulator
  6. Leach Amp Tests (weird noise)
  7. Amplifier with a sound. How to build for second harmonic.
  8. TCAAS
  9. Pre amp recommendation
  10. what is cy7c6801a pc 645041 and what does it do?
  11. Raising bias on Marantz SR4200 AV Receiver
  12. Will this schematic work ? (2SK2221/2SJ352 only)
  13. Legacy Whisper vs Klipsh Cornwall loading Mark Levinson ML-2
  14. what happens if transistors are not matched? especially output stage..
  15. SOME CLASS H, AB ,PROTECT POWER AMPS
  16. Please help me understand the voltage regulator with external bypass BJT?
  17. Lead size of TO-3 package and where to get insulated jumper wires?
  18. Cross reference 2SD234
  19. about maintenance of amplifiers
  20. Help with this preamp
  21. Input line 120hz on speaker output in class A?
  22. Need help
  23. How to make LME49810 amp 2 ohm stable?
  24. Make Hifi with 3 Triple Sziklai transistors in Simple Class A
  25. 3000w power amp sadaru
  26. Input capacitor 2.2uf Polystyrene or Mundorf Silver/oil?
  27. Negative side Mosfet heating up with mild hissing
  28. Should a 250VA toriodal be blowing a 1A fuse?
  29. The questions about Hi-fi audio for home use.
  30. Denon Output Transistors.
  31. Sansui 9090 help
  32. Diamonds and Pearls
  33. Seeking DC Enlightenment
  34. FETZILLA - The Builders Place
  35. N-Channel JFET sub
  36. Simple 85W amplifier
  37. NAD T753 receiver: No sound
  38. Power Supply and Other Re-capping
  39. Power Supply and Other Re-capping
  40. 100watt mono amp find???
  41. help! noob recapping an amp... really stuck.
  42. Powerbass atm-440.2
  43. uPC1237 too slow
  44. What type of capacitors are these?
  45. +/- 36 Volt Voltageamp with TMC error correction
  46. Sound of Op Amps...
  47. THRESHOLD S-300 UPGRADE
  48. Alternative method load for power testing amps?
  49. THRESHOLD S-300 UPGRADE
  50. alternativ symmetric amp
  51. Has anyone ever had experience with MUSE opamps?
  52. Baking a pcb for removing moisture
  53. Nad 3020e lost some of its volume , distortion
  54. Hafler P3000
  55. Krell KSA-150 Power board Reassamble HELP Please
  56. accurate Output Stage
  57. N-Channel JFET
  58. Musical Fidelity A100 resistors
  59. Help me from JFET
  60. Parts for NAK CA5
  61. Help for Rega biasing value
  62. Replacement transistors, NAIM NAP90
  63. DC Detection Question
  64. Leach driven by DRV134
  65. TO-3 Removal
  66. HOW CAN I CREATE 10% THD ??
  67. Another ESP P3A PCB design thread
  68. joule thief (draw more power from a power supply?)
  69. Found: SAE Series Two Power Switch
  70. Restart search for PS Audio Elite schematic.
  71. NAD 114 switch-on.
  72. Cadsoft eagle package LSK389
  73. gallien-krueger MB150s 120v to 230v conversion?
  74. New modern amp or classic second hand?
  75. Capicator Whine? PPI PC2350
  76. How much big a heatsink has to be?
  77. NAD C326BEE upgrades
  78. Cyrus 2 - removing cover
  79. Idling setting for Yamaha MX-2000 ?
  80. Philips 391 Intergrated Amplifier guts?
  81. 500w mosfet power amp sadaru
  82. Adjusting DC offset issues
  83. New Lineup IDEA - Power Follower/Output stage
  84. PS Audio 100c thump
  85. Just scored a Sanyo DC-8500K, Can its preamp board drive a Matsushita EPC-451C?
  86. Krell KSA 250 - The Mother Clone !!!
  87. AV400 Bias adjust and Transistor burning accidents
  88. how to match the Transistors like toshiba 5200 1943
  89. Power amp right channel running hot.
  90. Class G plate amp problem
  91. ARCAM D290 DEAD - PLEASE HELP
  92. I am having fun..the one is saying bad things is a friend
  93. Increasing the output power of a car amplifier.
  94. PCB for TDA7295
  95. VSP Labs TransMOS
  96. CS800X output amp cicuitry
  97. Heatsink gradients and Vbe
  98. Are these ok for usage in a vas / current source ?
  99. help with Luxman l-200
  100. why do old amps sound is liked by many serious audiophiles even though...
  101. Best suited power mosfets for amplifiers
  102. why do old amps has sleeve on the resistors pins...
  103. A872e Replacement
  104. See any issues with this class A current clip detect circuit?
  105. Effects of emitter resistors in a hifi amp?
  106. Sansui 9090 bias
  107. Replacement For MPSU10/60
  108. Attempting to restore a Pioneer 202 spring reverb
  109. Quad 405 clone parts
  110. Parts quality does matter, yes, but..
  111. Sources for TO220 heatsinks?
  112. line level stereo volume control using one pot?
  113. REPLACE TIP36 + 2N3055 IN TDA2030A
  114. Amp is making loud "boom pop" noises every second or so..
  115. R24 incomplete
  116. Krell KSA-250 low frequency oscillation
  117. Newly built ESP P03 (not 3A) - rail to rail oscillation - suggestions?
  118. Musical Fidelity 3A-X preamplifier
  119. Denon DR-M07 Cassette Deck
  120. PCB manufacturer EU - thick copper ...
  121. Liquid discharge from capacitors?
  122. Adcom GFA-565 with very high DC offset
  123. Adcom GFA-2535 Bias Adjustment
  124. Balance control for MF pre-amp
  125. DAC what for ?
  126. An active Current Dump amplifier design idea.
  127. Mechanical Transformer Hum
  128. Va rating reloaded
  129. Threshold s/200 question
  130. thanks for help
  131. dmm hfe
  132. Parasound HCA-800 II - How to Bias?
  133. Rega channel selection broken!!
  134. Amp project to use 2 XFOS I have lying around
  135. Any hifi but simple line level stereo to mono converter?
  136. quad 303 burnt component
  137. Any Stockholm Members
  138. TA-N7B new circuit operation brochure
  139. Best location for amplifier's output inductor?
  140. NAD 3120 parts
  141. Maximum output power/current from a transformer?
  142. Sansui 9090 IC equivalent circuit
  143. Samson Servo 260
  144. Conn Organ Amp Question
  145. doubt about amplifiers and active crossover
  146. PV 1.3K won't drive 2 ohms with DDT on
  147. combining amplifiers help!
  148. High Brightness LED Zener Like Curve
  149. brand capacitors need for recap
  150. Dual CV-441 RC darlingtons modifications
  151. help with adcom 555 amp left channel death
  152. Class i
  153. Schematic or Parasound Zamp ver 1
  154. Emitter resistors, single piece?
  155. Crown Amplifier
  156. Apex HV23
  157. Input coupling capacitor sizing
  158. MTE AUDIO AMP
  159. Another NAD 3020e repair thread
  160. Peavey CS800X Power Transistors
  161. Schematic for sound craft spirit mate 350
  162. audiolab 8000a transformer blown!
  163. TEAC Distinction Series AI-2000 Integrated
  164. Sony amp - loud static on Rch
  165. Audiolab 8000A Class A?
  166. Pioneer SA 9500 mk 1
  167. Clip Light
  168. Prototype power amplifier
  169. Please help me choose my next amplifier build!
  170. Adcom GFA555-II help needed...
  171. Help on restoring amplifier
  172. Good Article on Vintage vs New Hi Fi Equipment
  173. how do I make a push-pull amplifier?
  174. Voltage regulator oscillation at 850khz at high current
  175. Kind of embarasing but how do I use this toroidal transformer?
  176. Little GEM
  177. (Creating) TDA7375 based amp
  178. TDA7375 based amplifier (creation)
  179. Kenwood KM X-1000 service manual
  180. Krell KSA 100 mk2 recap- advice required
  181. Proven class AB designs for ~100 watts of output
  182. ~100khz sinudodial signal superimposed on the output of a common emitter stage
  183. how important is damping factor of 1000
  184. Yamaha P7000s faulty
  185. Can I remove hum from active speakers?
  186. WLX-7 Speaker protection board
  187. SuperFeel 6 - a new configuration
  188. specs vs perception solved
  189. Creek 4330 died
  190. Simple Amp Help
  191. First build
  192. 100-200W AMP suggestion
  193. Suggestions on first build 100-200W
  194. Dx Blame ST together Dx Super A
  195. An ultimate amp protection circuit ?
  196. Didoes vs Zeners for providing a vbe reference?
  197. Question about Hafler DH110 and DH500
  198. AKAI AM-2200 Upgrades
  199. Sony system failure - full investigation thread
  200. Help needed on a new DIY amp project
  201. Practical MOSFET Amp Design/Speculation/Questions:
  202. crown xls 602 need help,no output
  203. Leach amp troubleshooting
  204. HELP!! Denon PMA-655R (source selector)
  205. White Noise and Amplification Wattage (newbie question)
  206. Help needed with Mosfet power amp
  207. SMD redesign or back to through hole?
  208. Help with circuit diagram of amplifier
  209. Power Amp Hum !!
  210. Building a 1987 power amp
  211. Active Bandpass Filter Equalizer (Guitar Pedal)
  212. Apex B500 problems
  213. solid state capacitor question
  214. Looking for Primare A30.1 schematic or servicemanual
  215. 1000w mosfet power amp
  216. Cyrus II r/ch distorcion
  217. HC 2000 power amp
  218. Dead Altec 9440a
  219. Adcom GFA-555II advice needed...
  220. Scratchy pots
  221. PS Audio E2C P/S fuse value?
  222. heat spreader insulation sheet - where to buy?
  223. MYBEST5 Jfet CFP amplifier
  224. Behringher INuke 3000 DSP PreAmp
  225. I think I majorly screwed up - Technics SU-7700
  226. Pre-Amp distortion
  227. PS Audio Elite components??
  228. Transformerless input for 150ohm mics ??
  229. Distorted waveform from PC microphone
  230. How to determine if your transistors are "too hot"
  231. Cyrus One/Two volume pot... linear???
  232. Dx Custom.... the Bass Machine!
  233. early Naim manual speaker cable info
  234. Nakamichi PA-7 bias trimpots...
  235. Need Adcom GFA-555 II Test Point Help...
  236. Moving the Multiplier to the heatsink, or To3, or Collector lead
  237. 360w 8ohms, 550w 4 ohms mosfet
  238. SIMPLE 1KW AB Amplifier
  239. What about the use of amplifiers 2sb737.2sa970.2sa1316? someone tried
  240. can anyone explain this amplifier? Audio Telex 2sa500B
  241. Pilot Console 30 W Solid State Specs?
  242. ♫♪--My little posh Tringlophone--♪♫
  243. capacitor in series protect speakers from getting damaged due to signal clipping
  244. Replacment for IRF064N
  245. class A simple design with constant current source
  246. Hiraga 30 watt. Advice needed
  247. ultra low power op amp
  248. yamaha B-4 amplifier
  249. OEM car amp, increase output??
  250. P3A 100W layout - comments?

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