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  1. Luxman 115 preamped into Concept 16.5?
  2. NAD T752 Repair Advice
  3. Goldmund schematics
  4. The Spanish Trio 5700 story
  5. Newbie trying to learn about my GFA-535 internals
  6. Help: A question regarding PCB to PTP?
  7. Converting single-ended signal to balanced causes background noises
  8. LME49830 question
  9. It helps to select best class power amplifier (AB- 40-50 watts)
  10. Transformer for Nytech CA252 Amplifier
  11. Dynaco st120
  12. How good / bad is this amp made?
  13. Efficient Subwoofer Amplifier
  14. Need Help With BUZ901/906 MOSFET Amplifier
  15. Current conveyor
  16. Question on Transistor amplification
  17. Output subs for 2sa1301 & 2sc3280
  18. Technics SA-R 410
  19. Another "ancient" amp
  20. Burnt out transistors - replace with same or something better? Rotel RB-991
  21. Help with Adcom GFA555-II
  22. Sansui ba-5000 Large Cap Removal Help Needed
  23. help to select and correct 400w TDA2030A OR 200WTDA2030
  24. Cambridge Audio A500 & P500
  25. softstart recommendation for 2kva R-core and 1,00,000uf per rail x 2 caps
  26. Alternative buffer topologies
  27. 400 Watt in 8ohms/ 800 watt in 4 Ohms
  28. Until I can afford a digital unit Old Technics??
  29. Yamaha AX 500u schematic, integrated amp
  30. Power rating for short circuit protection in linear voltage regulator
  31. Leach Amp Tests (weird noise)
  32. Amplifier with a sound. How to build for second harmonic.
  33. TCAAS
  34. Pre amp recommendation
  35. what is cy7c6801a pc 645041 and what does it do?
  36. Raising bias on Marantz SR4200 AV Receiver
  37. Will this schematic work ? (2SK2221/2SJ352 only)
  38. Legacy Whisper vs Klipsh Cornwall loading Mark Levinson ML-2
  39. what happens if transistors are not matched? especially output stage..
  40. SOME CLASS H, AB ,PROTECT POWER AMPS
  41. Please help me understand the voltage regulator with external bypass BJT?
  42. Lead size of TO-3 package and where to get insulated jumper wires?
  43. Cross reference 2SD234
  44. about maintenance of amplifiers
  45. Help with this preamp
  46. Input line 120hz on speaker output in class A?
  47. Need help
  48. How to make LME49810 amp 2 ohm stable?
  49. Make Hifi with 3 Triple Sziklai transistors in Simple Class A
  50. 3000w power amp sadaru
  51. Input capacitor 2.2uf Polystyrene or Mundorf Silver/oil?
  52. Negative side Mosfet heating up with mild hissing
  53. Should a 250VA toriodal be blowing a 1A fuse?
  54. The questions about Hi-fi audio for home use.
  55. Denon Output Transistors.
  56. Sansui 9090 help
  57. Diamonds and Pearls
  58. Seeking DC Enlightenment
  59. FETZILLA - The Builders Place
  60. N-Channel JFET sub
  61. Simple 85W amplifier
  62. NAD T753 receiver: No sound
  63. Power Supply and Other Re-capping
  64. 100watt mono amp find???
  65. help! noob recapping an amp... really stuck.
  66. Powerbass atm-440.2
  67. uPC1237 too slow
  68. What type of capacitors are these?
  69. +/- 36 Volt Voltageamp with TMC error correction
  70. Sound of Op Amps...
  71. THRESHOLD S-300 UPGRADE
  72. Alternative method load for power testing amps?
  73. THRESHOLD S-300 UPGRADE
  74. alternativ symmetric amp
  75. Baking a pcb for removing moisture
  76. Nad 3020e lost some of its volume , distortion
  77. Hafler P3000
  78. Krell KSA-150 Power board Reassamble HELP Please
  79. accurate Output Stage
  80. N-Channel JFET
  81. Musical Fidelity A100 resistors
  82. Help me from JFET
  83. Parts for NAK CA5
  84. Help for Rega biasing value
  85. Replacement transistors, NAIM NAP90
  86. DC Detection Question
  87. Leach driven by DRV134
  88. TO-3 Removal
  89. HOW CAN I CREATE 10% THD ??
  90. Another ESP P3A PCB design thread
  91. joule thief (draw more power from a power supply?)
  92. Found: SAE Series Two Power Switch
  93. Restart search for PS Audio Elite schematic.
  94. NAD 114 switch-on.
  95. Cadsoft eagle package LSK389
  96. New modern amp or classic second hand?
  97. Capicator Whine? PPI PC2350
  98. How much big a heatsink has to be?
  99. NAD C326BEE upgrades
  100. Cyrus 2 - removing cover
  101. Idling setting for Yamaha MX-2000 ?
  102. Philips 391 Intergrated Amplifier guts?
  103. 500w mosfet power amp sadaru
  104. Adjusting DC offset issues
  105. New Lineup IDEA - Power Follower/Output stage
  106. PS Audio 100c thump
  107. Just scored a Sanyo DC-8500K, Can its preamp board drive a Matsushita EPC-451C?
  108. Krell KSA 250 - The Mother Clone !!!
  109. AV400 Bias adjust and Transistor burning accidents
  110. how to match the Transistors like toshiba 5200 1943
  111. Power amp right channel running hot.
  112. Class G plate amp problem
  113. ARCAM D290 DEAD - PLEASE HELP
  114. I am having fun..the one is saying bad things is a friend
  115. Increasing the output power of a car amplifier.
  116. PCB for TDA7295
  117. VSP Labs TransMOS
  118. CS800X output amp cicuitry
  119. Heatsink gradients and Vbe
  120. Are these ok for usage in a vas / current source ?
  121. help with Luxman l-200
  122. why do old amps sound is liked by many serious audiophiles even though...
  123. Best suited power mosfets for amplifiers
  124. why do old amps has sleeve on the resistors pins...
  125. A872e Replacement
  126. See any issues with this class A current clip detect circuit?
  127. Effects of emitter resistors in a hifi amp?
  128. Sansui 9090 bias
  129. Replacement For MPSU10/60
  130. Attempting to restore a Pioneer 202 spring reverb
  131. Quad 405 clone parts
  132. Parts quality does matter, yes, but..
  133. Sources for TO220 heatsinks?
  134. line level stereo volume control using one pot?
  135. REPLACE TIP36 + 2N3055 IN TDA2030A
  136. Amp is making loud "boom pop" noises every second or so..
  137. R24 incomplete
  138. Krell KSA-250 low frequency oscillation
  139. Newly built ESP P03 (not 3A) - rail to rail oscillation - suggestions?
  140. Musical Fidelity 3A-X preamplifier
  141. Denon DR-M07 Cassette Deck
  142. PCB manufacturer EU - thick copper ...
  143. Liquid discharge from capacitors?
  144. Adcom GFA-565 with very high DC offset
  145. Adcom GFA-2535 Bias Adjustment
  146. Balance control for MF pre-amp
  147. DAC what for ?
  148. An active Current Dump amplifier design idea.
  149. Mechanical Transformer Hum
  150. Va rating reloaded
  151. Threshold s/200 question
  152. thanks for help
  153. dmm hfe
  154. Parasound HCA-800 II - How to Bias?
  155. Rega channel selection broken!!
  156. Amp project to use 2 XFOS I have lying around
  157. Any hifi but simple line level stereo to mono converter?
  158. quad 303 burnt component
  159. Any Stockholm Members
  160. TA-N7B new circuit operation brochure
  161. Best location for amplifier's output inductor?
  162. NAD 3120 parts
  163. Maximum output power/current from a transformer?
  164. Sansui 9090 IC equivalent circuit
  165. Samson Servo 260
  166. Conn Organ Amp Question
  167. doubt about amplifiers and active crossover
  168. PV 1.3K won't drive 2 ohms with DDT on
  169. combining amplifiers help!
  170. High Brightness LED Zener Like Curve
  171. brand capacitors need for recap
  172. Dual CV-441 RC darlingtons modifications
  173. help with adcom 555 amp left channel death
  174. Class i
  175. Schematic or Parasound Zamp ver 1
  176. Emitter resistors, single piece?
  177. Crown Amplifier
  178. Apex HV23
  179. Input coupling capacitor sizing
  180. MTE AUDIO AMP
  181. Another NAD 3020e repair thread
  182. Schematic for sound craft spirit mate 350
  183. audiolab 8000a transformer blown!
  184. TEAC Distinction Series AI-2000 Integrated
  185. Sony amp - loud static on Rch
  186. Audiolab 8000A Class A?
  187. Pioneer SA 9500 mk 1
  188. Clip Light
  189. Prototype power amplifier
  190. Please help me choose my next amplifier build!
  191. Adcom GFA555-II help needed...
  192. Help on restoring amplifier
  193. Good Article on Vintage vs New Hi Fi Equipment
  194. how do I make a push-pull amplifier?
  195. Voltage regulator oscillation at 850khz at high current
  196. Kind of embarasing but how do I use this toroidal transformer?
  197. Little GEM
  198. (Creating) TDA7375 based amp
  199. TDA7375 based amplifier (creation)
  200. Kenwood KM X-1000 service manual
  201. Krell KSA 100 mk2 recap- advice required
  202. Proven class AB designs for ~100 watts of output
  203. ~100khz sinudodial signal superimposed on the output of a common emitter stage
  204. how important is damping factor of 1000
  205. Yamaha P7000s faulty
  206. Can I remove hum from active speakers?
  207. WLX-7 Speaker protection board
  208. SuperFeel 6 - a new configuration
  209. specs vs perception solved
  210. Creek 4330 died
  211. Simple Amp Help
  212. First build
  213. 100-200W AMP suggestion
  214. Suggestions on first build 100-200W
  215. Dx Blame ST together Dx Super A
  216. An ultimate amp protection circuit ?
  217. Didoes vs Zeners for providing a vbe reference?
  218. Question about Hafler DH110 and DH500
  219. AKAI AM-2200 Upgrades
  220. Sony system failure - full investigation thread
  221. Help needed on a new DIY amp project
  222. Practical MOSFET Amp Design/Speculation/Questions:
  223. crown xls 602 need help,no output
  224. Leach amp troubleshooting
  225. HELP!! Denon PMA-655R (source selector)
  226. White Noise and Amplification Wattage (newbie question)
  227. Help needed with Mosfet power amp
  228. SMD redesign or back to through hole?
  229. Help with circuit diagram of amplifier
  230. Power Amp Hum !!
  231. Building a 1987 power amp
  232. Apex B500 problems
  233. solid state capacitor question
  234. Looking for Primare A30.1 schematic or servicemanual
  235. 1000w mosfet power amp
  236. Cyrus II r/ch distorcion
  237. HC 2000 power amp
  238. Dead Altec 9440a
  239. Adcom GFA-555II advice needed...
  240. Scratchy pots
  241. PS Audio E2C P/S fuse value?
  242. heat spreader insulation sheet - where to buy?
  243. MYBEST5 Jfet CFP amplifier
  244. Behringher INuke 3000 DSP PreAmp
  245. I think I majorly screwed up - Technics SU-7700
  246. Pre-Amp distortion
  247. PS Audio Elite components??
  248. Transformerless input for 150ohm mics ??
  249. Distorted waveform from PC microphone
  250. How to determine if your transistors are "too hot"

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