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  1. Transformer for Nytech CA252 Amplifier
  2. Dynaco st120
  3. How good / bad is this amp made?
  4. Efficient Subwoofer Amplifier
  5. Need Help With BUZ901/906 MOSFET Amplifier
  6. Current conveyor
  7. Question on Transistor amplification
  8. Output subs for 2sa1301 & 2sc3280
  9. Technics SA-R 410
  10. Another "ancient" amp
  11. Burnt out transistors - replace with same or something better? Rotel RB-991
  12. Help with Adcom GFA555-II
  13. Sansui ba-5000 Large Cap Removal Help Needed
  14. help to select and correct 400w TDA2030A OR 200WTDA2030
  15. Cambridge Audio A500 & P500
  16. softstart recommendation for 2kva R-core and 1,00,000uf per rail x 2 caps
  17. Alternative buffer topologies
  18. 400 Watt in 8ohms/ 800 watt in 4 Ohms
  19. Until I can afford a digital unit Old Technics??
  20. Yamaha AX 500u schematic, integrated amp
  21. Power rating for short circuit protection in linear voltage regulator
  22. Leach Amp Tests (weird noise)
  23. Amplifier with a sound. How to build for second harmonic.
  24. TCAAS
  25. Pre amp recommendation
  26. what is cy7c6801a pc 645041 and what does it do?
  27. Raising bias on Marantz SR4200 AV Receiver
  28. Will this schematic work ? (2SK2221/2SJ352 only)
  29. Legacy Whisper vs Klipsh Cornwall loading Mark Levinson ML-2
  30. what happens if transistors are not matched? especially output stage..
  31. SOME CLASS H, AB ,PROTECT POWER AMPS
  32. Please help me understand the voltage regulator with external bypass BJT?
  33. Lead size of TO-3 package and where to get insulated jumper wires?
  34. Cross reference 2SD234
  35. about maintenance of amplifiers
  36. Help with this preamp
  37. Input line 120hz on speaker output in class A?
  38. Need help
  39. How to make LME49810 amp 2 ohm stable?
  40. Make Hifi with 3 Triple Sziklai transistors in Simple Class A
  41. 3000w power amp sadaru
  42. Input capacitor 2.2uf Polystyrene or Mundorf Silver/oil?
  43. Negative side Mosfet heating up with mild hissing
  44. Should a 250VA toriodal be blowing a 1A fuse?
  45. The questions about Hi-fi audio for home use.
  46. Denon Output Transistors.
  47. Sansui 9090 help
  48. Diamonds and Pearls
  49. Seeking DC Enlightenment
  50. FETZILLA - The Builders Place
  51. N-Channel JFET sub
  52. Simple 85W amplifier
  53. NAD T753 receiver: No sound
  54. Power Supply and Other Re-capping
  55. 100watt mono amp find???
  56. help! noob recapping an amp... really stuck.
  57. Powerbass atm-440.2
  58. uPC1237 too slow
  59. What type of capacitors are these?
  60. +/- 36 Volt Voltageamp with TMC error correction
  61. Sound of Op Amps...
  62. THRESHOLD S-300 UPGRADE
  63. Alternative method load for power testing amps?
  64. THRESHOLD S-300 UPGRADE
  65. alternativ symmetric amp
  66. Has anyone ever had experience with MUSE opamps?
  67. Baking a pcb for removing moisture
  68. Nad 3020e lost some of its volume , distortion
  69. Hafler P3000
  70. Krell KSA-150 Power board Reassamble HELP Please
  71. accurate Output Stage
  72. N-Channel JFET
  73. Musical Fidelity A100 resistors
  74. Help me from JFET
  75. Parts for NAK CA5
  76. Help for Rega biasing value
  77. Replacement transistors, NAIM NAP90
  78. DC Detection Question
  79. Leach driven by DRV134
  80. TO-3 Removal
  81. HOW CAN I CREATE 10% THD ??
  82. Another ESP P3A PCB design thread
  83. joule thief (draw more power from a power supply?)
  84. Found: SAE Series Two Power Switch
  85. Restart search for PS Audio Elite schematic.
  86. NAD 114 switch-on.
  87. Cadsoft eagle package LSK389
  88. New modern amp or classic second hand?
  89. Capicator Whine? PPI PC2350
  90. How much big a heatsink has to be?
  91. NAD C326BEE upgrades
  92. Cyrus 2 - removing cover
  93. Idling setting for Yamaha MX-2000 ?
  94. Philips 391 Intergrated Amplifier guts?
  95. 500w mosfet power amp sadaru
  96. Adjusting DC offset issues
  97. New Lineup IDEA - Power Follower/Output stage
  98. PS Audio 100c thump
  99. Just scored a Sanyo DC-8500K, Can its preamp board drive a Matsushita EPC-451C?
  100. Krell KSA 250 - The Mother Clone !!!
  101. AV400 Bias adjust and Transistor burning accidents
  102. how to match the Transistors like toshiba 5200 1943
  103. Power amp right channel running hot.
  104. Class G plate amp problem
  105. ARCAM D290 DEAD - PLEASE HELP
  106. I am having fun..the one is saying bad things is a friend
  107. Increasing the output power of a car amplifier.
  108. PCB for TDA7295
  109. VSP Labs TransMOS
  110. CS800X output amp cicuitry
  111. Heatsink gradients and Vbe
  112. Are these ok for usage in a vas / current source ?
  113. help with Luxman l-200
  114. why do old amps sound is liked by many serious audiophiles even though...
  115. Best suited power mosfets for amplifiers
  116. why do old amps has sleeve on the resistors pins...
  117. A872e Replacement
  118. See any issues with this class A current clip detect circuit?
  119. Effects of emitter resistors in a hifi amp?
  120. Sansui 9090 bias
  121. Replacement For MPSU10/60
  122. Attempting to restore a Pioneer 202 spring reverb
  123. Quad 405 clone parts
  124. Parts quality does matter, yes, but..
  125. Sources for TO220 heatsinks?
  126. line level stereo volume control using one pot?
  127. REPLACE TIP36 + 2N3055 IN TDA2030A
  128. Amp is making loud "boom pop" noises every second or so..
  129. R24 incomplete
  130. Krell KSA-250 low frequency oscillation
  131. Newly built ESP P03 (not 3A) - rail to rail oscillation - suggestions?
  132. Musical Fidelity 3A-X preamplifier
  133. Denon DR-M07 Cassette Deck
  134. PCB manufacturer EU - thick copper ...
  135. Liquid discharge from capacitors?
  136. Adcom GFA-565 with very high DC offset
  137. Adcom GFA-2535 Bias Adjustment
  138. Balance control for MF pre-amp
  139. DAC what for ?
  140. An active Current Dump amplifier design idea.
  141. Mechanical Transformer Hum
  142. Va rating reloaded
  143. Threshold s/200 question
  144. thanks for help
  145. dmm hfe
  146. Parasound HCA-800 II - How to Bias?
  147. Rega channel selection broken!!
  148. Amp project to use 2 XFOS I have lying around
  149. Any hifi but simple line level stereo to mono converter?
  150. quad 303 burnt component
  151. Any Stockholm Members
  152. TA-N7B new circuit operation brochure
  153. Best location for amplifier's output inductor?
  154. NAD 3120 parts
  155. Maximum output power/current from a transformer?
  156. Sansui 9090 IC equivalent circuit
  157. Samson Servo 260
  158. Conn Organ Amp Question
  159. doubt about amplifiers and active crossover
  160. PV 1.3K won't drive 2 ohms with DDT on
  161. combining amplifiers help!
  162. High Brightness LED Zener Like Curve
  163. brand capacitors need for recap
  164. Dual CV-441 RC darlingtons modifications
  165. help with adcom 555 amp left channel death
  166. Class i
  167. Schematic or Parasound Zamp ver 1
  168. Emitter resistors, single piece?
  169. Crown Amplifier
  170. Apex HV23
  171. Input coupling capacitor sizing
  172. MTE AUDIO AMP
  173. Another NAD 3020e repair thread
  174. Schematic for sound craft spirit mate 350
  175. audiolab 8000a transformer blown!
  176. TEAC Distinction Series AI-2000 Integrated
  177. Sony amp - loud static on Rch
  178. Audiolab 8000A Class A?
  179. Pioneer SA 9500 mk 1
  180. Clip Light
  181. Prototype power amplifier
  182. Please help me choose my next amplifier build!
  183. Adcom GFA555-II help needed...
  184. Help on restoring amplifier
  185. Good Article on Vintage vs New Hi Fi Equipment
  186. how do I make a push-pull amplifier?
  187. Voltage regulator oscillation at 850khz at high current
  188. Kind of embarasing but how do I use this toroidal transformer?
  189. Little GEM
  190. (Creating) TDA7375 based amp
  191. TDA7375 based amplifier (creation)
  192. Kenwood KM X-1000 service manual
  193. Krell KSA 100 mk2 recap- advice required
  194. Proven class AB designs for ~100 watts of output
  195. ~100khz sinudodial signal superimposed on the output of a common emitter stage
  196. how important is damping factor of 1000
  197. Yamaha P7000s faulty
  198. Can I remove hum from active speakers?
  199. WLX-7 Speaker protection board
  200. SuperFeel 6 - a new configuration
  201. specs vs perception solved
  202. Creek 4330 died
  203. Simple Amp Help
  204. First build
  205. 100-200W AMP suggestion
  206. Suggestions on first build 100-200W
  207. Dx Blame ST together Dx Super A
  208. An ultimate amp protection circuit ?
  209. Didoes vs Zeners for providing a vbe reference?
  210. Question about Hafler DH110 and DH500
  211. AKAI AM-2200 Upgrades
  212. Sony system failure - full investigation thread
  213. Help needed on a new DIY amp project
  214. Practical MOSFET Amp Design/Speculation/Questions:
  215. crown xls 602 need help,no output
  216. Leach amp troubleshooting
  217. HELP!! Denon PMA-655R (source selector)
  218. White Noise and Amplification Wattage (newbie question)
  219. Help needed with Mosfet power amp
  220. SMD redesign or back to through hole?
  221. Help with circuit diagram of amplifier
  222. Power Amp Hum !!
  223. Building a 1987 power amp
  224. Apex B500 problems
  225. solid state capacitor question
  226. Looking for Primare A30.1 schematic or servicemanual
  227. 1000w mosfet power amp
  228. Cyrus II r/ch distorcion
  229. HC 2000 power amp
  230. Dead Altec 9440a
  231. Adcom GFA-555II advice needed...
  232. Scratchy pots
  233. PS Audio E2C P/S fuse value?
  234. heat spreader insulation sheet - where to buy?
  235. MYBEST5 Jfet CFP amplifier
  236. Behringher INuke 3000 DSP PreAmp
  237. I think I majorly screwed up - Technics SU-7700
  238. Pre-Amp distortion
  239. PS Audio Elite components??
  240. Transformerless input for 150ohm mics ??
  241. Distorted waveform from PC microphone
  242. How to determine if your transistors are "too hot"
  243. Cyrus One/Two volume pot... linear???
  244. Dx Custom.... the Bass Machine!
  245. early Naim manual speaker cable info
  246. Nakamichi PA-7 bias trimpots...
  247. Need Adcom GFA-555 II Test Point Help...
  248. Moving the Multiplier to the heatsink, or To3, or Collector lead
  249. 360w 8ohms, 550w 4 ohms mosfet
  250. SIMPLE 1KW AB Amplifier

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