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  1. Converting single-ended signal to balanced causes background noises
  2. LME49830 question
  3. It helps to select best class power amplifier (AB- 40-50 watts)
  4. Transformer for Nytech CA252 Amplifier
  5. Dynaco st120
  6. How good / bad is this amp made?
  7. Efficient Subwoofer Amplifier
  8. Need Help With BUZ901/906 MOSFET Amplifier
  9. Current conveyor
  10. Question on Transistor amplification
  11. Output subs for 2sa1301 & 2sc3280
  12. Technics SA-R 410
  13. Another "ancient" amp
  14. Burnt out transistors - replace with same or something better? Rotel RB-991
  15. Help with Adcom GFA555-II
  16. Sansui ba-5000 Large Cap Removal Help Needed
  17. help to select and correct 400w TDA2030A OR 200WTDA2030
  18. Cambridge Audio A500 & P500
  19. softstart recommendation for 2kva R-core and 1,00,000uf per rail x 2 caps
  20. Alternative buffer topologies
  21. 400 Watt in 8ohms/ 800 watt in 4 Ohms
  22. Until I can afford a digital unit Old Technics??
  23. Yamaha AX 500u schematic, integrated amp
  24. Power rating for short circuit protection in linear voltage regulator
  25. Leach Amp Tests (weird noise)
  26. Amplifier with a sound. How to build for second harmonic.
  27. TCAAS
  28. Pre amp recommendation
  29. what is cy7c6801a pc 645041 and what does it do?
  30. Raising bias on Marantz SR4200 AV Receiver
  31. Will this schematic work ? (2SK2221/2SJ352 only)
  32. Legacy Whisper vs Klipsh Cornwall loading Mark Levinson ML-2
  33. what happens if transistors are not matched? especially output stage..
  34. SOME CLASS H, AB ,PROTECT POWER AMPS
  35. Please help me understand the voltage regulator with external bypass BJT?
  36. Lead size of TO-3 package and where to get insulated jumper wires?
  37. Cross reference 2SD234
  38. about maintenance of amplifiers
  39. Help with this preamp
  40. Input line 120hz on speaker output in class A?
  41. Need help
  42. How to make LME49810 amp 2 ohm stable?
  43. Make Hifi with 3 Triple Sziklai transistors in Simple Class A
  44. 3000w power amp sadaru
  45. Input capacitor 2.2uf Polystyrene or Mundorf Silver/oil?
  46. Negative side Mosfet heating up with mild hissing
  47. Should a 250VA toriodal be blowing a 1A fuse?
  48. The questions about Hi-fi audio for home use.
  49. Denon Output Transistors.
  50. Sansui 9090 help
  51. Diamonds and Pearls
  52. Seeking DC Enlightenment
  53. FETZILLA - The Builders Place
  54. N-Channel JFET sub
  55. Simple 85W amplifier
  56. NAD T753 receiver: No sound
  57. Power Supply and Other Re-capping
  58. Power Supply and Other Re-capping
  59. 100watt mono amp find???
  60. help! noob recapping an amp... really stuck.
  61. Powerbass atm-440.2
  62. uPC1237 too slow
  63. What type of capacitors are these?
  64. +/- 36 Volt Voltageamp with TMC error correction
  65. Sound of Op Amps...
  66. THRESHOLD S-300 UPGRADE
  67. Alternative method load for power testing amps?
  68. THRESHOLD S-300 UPGRADE
  69. alternativ symmetric amp
  70. Has anyone ever had experience with MUSE opamps?
  71. Baking a pcb for removing moisture
  72. Nad 3020e lost some of its volume , distortion
  73. Hafler P3000
  74. Krell KSA-150 Power board Reassamble HELP Please
  75. accurate Output Stage
  76. N-Channel JFET
  77. Musical Fidelity A100 resistors
  78. Help me from JFET
  79. Parts for NAK CA5
  80. Help for Rega biasing value
  81. Replacement transistors, NAIM NAP90
  82. DC Detection Question
  83. Leach driven by DRV134
  84. TO-3 Removal
  85. HOW CAN I CREATE 10% THD ??
  86. Another ESP P3A PCB design thread
  87. joule thief (draw more power from a power supply?)
  88. Found: SAE Series Two Power Switch
  89. Restart search for PS Audio Elite schematic.
  90. NAD 114 switch-on.
  91. Cadsoft eagle package LSK389
  92. gallien-krueger MB150s 120v to 230v conversion?
  93. New modern amp or classic second hand?
  94. Capicator Whine? PPI PC2350
  95. How much big a heatsink has to be?
  96. NAD C326BEE upgrades
  97. Cyrus 2 - removing cover
  98. Idling setting for Yamaha MX-2000 ?
  99. Philips 391 Intergrated Amplifier guts?
  100. 500w mosfet power amp sadaru
  101. Adjusting DC offset issues
  102. New Lineup IDEA - Power Follower/Output stage
  103. PS Audio 100c thump
  104. Just scored a Sanyo DC-8500K, Can its preamp board drive a Matsushita EPC-451C?
  105. Krell KSA 250 - The Mother Clone !!!
  106. AV400 Bias adjust and Transistor burning accidents
  107. how to match the Transistors like toshiba 5200 1943
  108. Power amp right channel running hot.
  109. Class G plate amp problem
  110. ARCAM D290 DEAD - PLEASE HELP
  111. I am having fun..the one is saying bad things is a friend
  112. Increasing the output power of a car amplifier.
  113. PCB for TDA7295
  114. VSP Labs TransMOS
  115. CS800X output amp cicuitry
  116. Heatsink gradients and Vbe
  117. Are these ok for usage in a vas / current source ?
  118. help with Luxman l-200
  119. why do old amps sound is liked by many serious audiophiles even though...
  120. Best suited power mosfets for amplifiers
  121. why do old amps has sleeve on the resistors pins...
  122. A872e Replacement
  123. See any issues with this class A current clip detect circuit?
  124. Effects of emitter resistors in a hifi amp?
  125. Sansui 9090 bias
  126. Replacement For MPSU10/60
  127. Attempting to restore a Pioneer 202 spring reverb
  128. Quad 405 clone parts
  129. Parts quality does matter, yes, but..
  130. Sources for TO220 heatsinks?
  131. line level stereo volume control using one pot?
  132. REPLACE TIP36 + 2N3055 IN TDA2030A
  133. Amp is making loud "boom pop" noises every second or so..
  134. R24 incomplete
  135. Krell KSA-250 low frequency oscillation
  136. Newly built ESP P03 (not 3A) - rail to rail oscillation - suggestions?
  137. Musical Fidelity 3A-X preamplifier
  138. Denon DR-M07 Cassette Deck
  139. PCB manufacturer EU - thick copper ...
  140. Liquid discharge from capacitors?
  141. Adcom GFA-565 with very high DC offset
  142. Adcom GFA-2535 Bias Adjustment
  143. Balance control for MF pre-amp
  144. DAC what for ?
  145. An active Current Dump amplifier design idea.
  146. Mechanical Transformer Hum
  147. Va rating reloaded
  148. Threshold s/200 question
  149. thanks for help
  150. dmm hfe
  151. Parasound HCA-800 II - How to Bias?
  152. Rega channel selection broken!!
  153. Amp project to use 2 XFOS I have lying around
  154. Any hifi but simple line level stereo to mono converter?
  155. quad 303 burnt component
  156. Any Stockholm Members
  157. TA-N7B new circuit operation brochure
  158. Best location for amplifier's output inductor?
  159. NAD 3120 parts
  160. Maximum output power/current from a transformer?
  161. Sansui 9090 IC equivalent circuit
  162. Samson Servo 260
  163. Conn Organ Amp Question
  164. doubt about amplifiers and active crossover
  165. PV 1.3K won't drive 2 ohms with DDT on
  166. combining amplifiers help!
  167. High Brightness LED Zener Like Curve
  168. brand capacitors need for recap
  169. Dual CV-441 RC darlingtons modifications
  170. help with adcom 555 amp left channel death
  171. Class i
  172. Schematic or Parasound Zamp ver 1
  173. Emitter resistors, single piece?
  174. Crown Amplifier
  175. Apex HV23
  176. Input coupling capacitor sizing
  177. MTE AUDIO AMP
  178. Another NAD 3020e repair thread
  179. Peavey CS800X Power Transistors
  180. Schematic for sound craft spirit mate 350
  181. audiolab 8000a transformer blown!
  182. TEAC Distinction Series AI-2000 Integrated
  183. Sony amp - loud static on Rch
  184. Audiolab 8000A Class A?
  185. Pioneer SA 9500 mk 1
  186. Clip Light
  187. Prototype power amplifier
  188. Please help me choose my next amplifier build!
  189. Adcom GFA555-II help needed...
  190. Help on restoring amplifier
  191. Good Article on Vintage vs New Hi Fi Equipment
  192. how do I make a push-pull amplifier?
  193. Voltage regulator oscillation at 850khz at high current
  194. Kind of embarasing but how do I use this toroidal transformer?
  195. Little GEM
  196. (Creating) TDA7375 based amp
  197. TDA7375 based amplifier (creation)
  198. Kenwood KM X-1000 service manual
  199. Krell KSA 100 mk2 recap- advice required
  200. Proven class AB designs for ~100 watts of output
  201. ~100khz sinudodial signal superimposed on the output of a common emitter stage
  202. how important is damping factor of 1000
  203. Yamaha P7000s faulty
  204. Can I remove hum from active speakers?
  205. WLX-7 Speaker protection board
  206. SuperFeel 6 - a new configuration
  207. specs vs perception solved
  208. Creek 4330 died
  209. Simple Amp Help
  210. First build
  211. 100-200W AMP suggestion
  212. Suggestions on first build 100-200W
  213. Dx Blame ST together Dx Super A
  214. An ultimate amp protection circuit ?
  215. Didoes vs Zeners for providing a vbe reference?
  216. Question about Hafler DH110 and DH500
  217. AKAI AM-2200 Upgrades
  218. Sony system failure - full investigation thread
  219. Help needed on a new DIY amp project
  220. Practical MOSFET Amp Design/Speculation/Questions:
  221. crown xls 602 need help,no output
  222. Leach amp troubleshooting
  223. HELP!! Denon PMA-655R (source selector)
  224. White Noise and Amplification Wattage (newbie question)
  225. Help needed with Mosfet power amp
  226. SMD redesign or back to through hole?
  227. Help with circuit diagram of amplifier
  228. Power Amp Hum !!
  229. Building a 1987 power amp
  230. Active Bandpass Filter Equalizer (Guitar Pedal)
  231. Apex B500 problems
  232. solid state capacitor question
  233. Looking for Primare A30.1 schematic or servicemanual
  234. 1000w mosfet power amp
  235. Cyrus II r/ch distorcion
  236. HC 2000 power amp
  237. Dead Altec 9440a
  238. Adcom GFA-555II advice needed...
  239. Scratchy pots
  240. PS Audio E2C P/S fuse value?
  241. heat spreader insulation sheet - where to buy?
  242. MYBEST5 Jfet CFP amplifier
  243. Behringher INuke 3000 DSP PreAmp
  244. I think I majorly screwed up - Technics SU-7700
  245. Pre-Amp distortion
  246. PS Audio Elite components??
  247. Transformerless input for 150ohm mics ??
  248. Distorted waveform from PC microphone
  249. How to determine if your transistors are "too hot"
  250. Cyrus One/Two volume pot... linear???

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