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  1. JLH Buffer - Homage to John Linsley Hood
  2. DW300 project - one HiFI Audio Amplifier that can run stable on 2 ohms
  3. how hot is too hot
  4. upgrade
  5. Germanium Amp
  6. Using a Caddock MP821 as an emitter resistor.
  7. Improving amplifier input stage
  8. Advantages of flat LF speaker impedance for amps
  9. Issue with TA1600
  10. Infinity OVTR 1 subwoofer amp
  11. Why do AC supplied systems perform better?
  12. Esoter Evoque Pure Amplifier
  13. 2SC2922 / 2SA1216 hfe rank mismatch
  14. fuse blow
  15. C-Audio RA3000 Blowing fuses
  16. a new low noise, HV Op Amp !
  17. Electrohome C-400
  18. Decoupling for battery based opamp circuits
  19. about schemes H/K citation 24 and Braun Atelier PA 4 (/ 2)
  20. Simple Feed Forward for Power Amp
  21. Emotive mini-X a-100 vs Dayton Audio APA150
  22. Newbie recap project seeks advice..
  23. Adcom GFA-5800 amplifier cooling fans
  24. Hafler 9505 switch needed
  25. Amplificador SUBZERO
  26. Son of Ampzilla rebuilt
  27. upgrading tivoli model one
  28. BIG transistors
  29. Another 80's british amp thread
  30. Yamaha M50 fixing or rebuild
  31. 250-400watt audio amplifier
  32. Parasound A31
  33. Question reg. Sansui Au-D5 mod
  34. Simple Universal Speaker Delay Using A Triac
  35. yamaha emx640 darlington amp repair
  36. The best Circuit of MJ11032,MJ11033 searching!
  37. Pioneer VSX-D557 Overload problem
  38. Soundstandard ES200 schematics anyone ??
  39. Playmaster Series 200 Circuit
  40. DC offset adj in JE990
  41. Korting Transmare A500 - vintage German amp, with issues!
  42. Tekko draws something from his head
  43. Vintage Toshiba 330 power amp problem, possible repair?
  44. Complementary Power MOSFETs
  45. Old class A design with 2SK146 dual JFET
  46. Balanced NoGNFB With Cross-Linked Input Stage
  47. MC2505 problem
  48. Bridging two 300W in 8 ohm amplifier to drive 1200W in 8 ohm
  49. Can a very simple class A amp produce great sound?
  50. you gotta be kidding !
  51. How to find the transfer function of this volume control?
  52. NAD C370 - red light
  53. Marantz SR1040 no output
  54. Mosfet question ( help needed )
  55. Trouble with Denon PMA-520 bias adjustment
  56. What is the importance of IQ in a common emitter stage?
  57. what is the role of the 68pf and 2200pf cap in Hiraga Super class A 30W
  58. Zero FeedBack Amp
  59. Motorola Solid State
  60. Is it worth modding a Marantz PM66SE
  61. Cyrus 3 2nd stage fault.. HELP!
  62. Carver CM-1090 pre/pro help?
  63. Krell KSA 50 clone power supply.
  64. Pioneer receiver mods
  65. Are ground planes in audio pcbs legit?
  66. Radio
  67. Suggestions for output pairs
  68. First amp I ever built - An excellent simple class A amp for beginners
  69. Does anyone know.......
  70. bow technology is still live?
  71. Esoteric Asr schematic
  72. I need help getting started with an Onkyo M-501
  73. High Power, High Fidelity Lateral MOSFET Power Amplifier
  74. Cheaper way to test power supply stability?
  75. Battery Type for Portable Speakers
  76. high rail voltage chip amps?
  77. class A output stage without feedback for a DAC?
  78. Need help hooking up Ashly P70-400
  79. Surprising polycarbonate caps
  80. Cordell OF THE Amplifier
  81. help changing the crossover setting of my class A/B subwoofer plate amp
  82. catfet amplifier
  83. Did one sell Krell amp after building LM4702?
  84. is current in speaker load to be anyway closer to psu current ratings?
  85. Krell KRC-2 service-manual?
  86. Sound project Module
  87. Rega Brio-R design
  88. Scratchy sound coming from speaker
  89. Dx Zim (Zimmer) SMPS will be developed to release
  90. Grounding scheme and loop breaker, need advice..
  91. Sony TA-FE230 Left Channel Weak
  92. I need pcb for this scheme
  93. How to repair and diagnose amp problem?
  94. WAV File Reproduction Sound Project
  95. the Inverting stage
  96. What about car amps?
  97. Audiolab 8000p stopped working.
  98. Ampeg svt 3 pro Power Amp
  99. McIntosh amp smoking
  100. 2 x 15W rms Audio Amp for small speakers
  101. Mickey Mouse PA Amplifiers and Mixers (two brands MM + PAiCE) - Schematics wanted
  102. channel sound loss scott 350R
  103. Need information for MM AP360 Amplifier
  104. Help me please with NAD S300
  105. Arcam AVR-100
  106. Sansui AU-217 issues
  107. Marantz PM44SE power/relay? issues
  108. Rotel RC-1070 Preamp PSU Repair
  109. home wiring is old knob and tube-no ground plug
  110. Should I let unused amps sit or power them up and use them on occasion.
  111. i need LUXMAN L-570 service manual
  112. Luxman 115 preamped into Concept 16.5?
  113. NAD T752 Repair Advice
  114. Goldmund schematics
  115. The Spanish Trio 5700 story
  116. Newbie trying to learn about my GFA-535 internals
  117. Help: A question regarding PCB to PTP?
  118. Converting single-ended signal to balanced causes background noises
  119. LME49830 question
  120. It helps to select best class power amplifier (AB- 40-50 watts)
  121. Transformer for Nytech CA252 Amplifier
  122. Dynaco st120
  123. How good / bad is this amp made?
  124. Efficient Subwoofer Amplifier
  125. Need Help With BUZ901/906 MOSFET Amplifier
  126. Current conveyor
  127. Question on Transistor amplification
  128. Output subs for 2sa1301 & 2sc3280
  129. Technics SA-R 410
  130. Another "ancient" amp
  131. Burnt out transistors - replace with same or something better? Rotel RB-991
  132. Help with Adcom GFA555-II
  133. Sansui ba-5000 Large Cap Removal Help Needed
  134. help to select and correct 400w TDA2030A OR 200WTDA2030
  135. Cambridge Audio A500 & P500
  136. softstart recommendation for 2kva R-core and 1,00,000uf per rail x 2 caps
  137. Alternative buffer topologies
  138. 400 Watt in 8ohms/ 800 watt in 4 Ohms
  139. Until I can afford a digital unit Old Technics??
  140. Yamaha AX 500u schematic, integrated amp
  141. Power rating for short circuit protection in linear voltage regulator
  142. Leach Amp Tests (weird noise)
  143. Amplifier with a sound. How to build for second harmonic.
  144. TCAAS
  145. Pre amp recommendation
  146. what is cy7c6801a pc 645041 and what does it do?
  147. Raising bias on Marantz SR4200 AV Receiver
  148. Will this schematic work ? (2SK2221/2SJ352 only)
  149. Legacy Whisper vs Klipsh Cornwall loading Mark Levinson ML-2
  150. what happens if transistors are not matched? especially output stage..
  151. SOME CLASS H, AB ,PROTECT POWER AMPS
  152. Please help me understand the voltage regulator with external bypass BJT?
  153. Lead size of TO-3 package and where to get insulated jumper wires?
  154. Cross reference 2SD234
  155. about maintenance of amplifiers
  156. Help with this preamp
  157. Input line 120hz on speaker output in class A?
  158. Need help
  159. How to make LME49810 amp 2 ohm stable?
  160. Make Hifi with 3 Triple Sziklai transistors in Simple Class A
  161. 3000w power amp sadaru
  162. Input capacitor 2.2uf Polystyrene or Mundorf Silver/oil?
  163. Negative side Mosfet heating up with mild hissing
  164. Should a 250VA toriodal be blowing a 1A fuse?
  165. The questions about Hi-fi audio for home use.
  166. Denon Output Transistors.
  167. Sansui 9090 help
  168. Diamonds and Pearls
  169. Seeking DC Enlightenment
  170. FETZILLA - The Builders Place
  171. N-Channel JFET sub
  172. Simple 85W amplifier
  173. NAD T753 receiver: No sound
  174. Power Supply and Other Re-capping
  175. Power Supply and Other Re-capping
  176. 100watt mono amp find???
  177. help! noob recapping an amp... really stuck.
  178. Powerbass atm-440.2
  179. uPC1237 too slow
  180. What type of capacitors are these?
  181. +/- 36 Volt Voltageamp with TMC error correction
  182. Sound of Op Amps...
  183. THRESHOLD S-300 UPGRADE
  184. Alternative method load for power testing amps?
  185. THRESHOLD S-300 UPGRADE
  186. alternativ symmetric amp
  187. Has anyone ever had experience with MUSE opamps?
  188. Baking a pcb for removing moisture
  189. Nad 3020e lost some of its volume , distortion
  190. Hafler P3000
  191. Krell KSA-150 Power board Reassamble HELP Please
  192. accurate Output Stage
  193. N-Channel JFET
  194. Musical Fidelity A100 resistors
  195. Help me from JFET
  196. Parts for NAK CA5
  197. Help for Rega biasing value
  198. Replacement transistors, NAIM NAP90
  199. DC Detection Question
  200. Leach driven by DRV134
  201. TO-3 Removal
  202. HOW CAN I CREATE 10% THD ??
  203. Another ESP P3A PCB design thread
  204. joule thief (draw more power from a power supply?)
  205. Found: SAE Series Two Power Switch
  206. Restart search for PS Audio Elite schematic.
  207. NAD 114 switch-on.
  208. Cadsoft eagle package LSK389
  209. gallien-krueger MB150s 120v to 230v conversion?
  210. New modern amp or classic second hand?
  211. Capicator Whine? PPI PC2350
  212. How much big a heatsink has to be?
  213. NAD C326BEE upgrades
  214. Cyrus 2 - removing cover
  215. Idling setting for Yamaha MX-2000 ?
  216. Philips 391 Intergrated Amplifier guts?
  217. 500w mosfet power amp sadaru
  218. Adjusting DC offset issues
  219. New Lineup IDEA - Power Follower/Output stage
  220. PS Audio 100c thump
  221. Just scored a Sanyo DC-8500K, Can its preamp board drive a Matsushita EPC-451C?
  222. Krell KSA 250 - The Mother Clone !!!
  223. AV400 Bias adjust and Transistor burning accidents
  224. how to match the Transistors like toshiba 5200 1943
  225. Power amp right channel running hot.
  226. Class G plate amp problem
  227. ARCAM D290 DEAD - PLEASE HELP
  228. I am having fun..the one is saying bad things is a friend
  229. Increasing the output power of a car amplifier.
  230. PCB for TDA7295
  231. VSP Labs TransMOS
  232. CS800X output amp cicuitry
  233. Heatsink gradients and Vbe
  234. Are these ok for usage in a vas / current source ?
  235. help with Luxman l-200
  236. why do old amps sound is liked by many serious audiophiles even though...
  237. Best suited power mosfets for amplifiers
  238. why do old amps has sleeve on the resistors pins...
  239. A872e Replacement
  240. See any issues with this class A current clip detect circuit?
  241. Effects of emitter resistors in a hifi amp?
  242. Sansui 9090 bias
  243. Replacement For MPSU10/60
  244. Attempting to restore a Pioneer 202 spring reverb
  245. Quad 405 clone parts
  246. Parts quality does matter, yes, but..
  247. Sources for TO220 heatsinks?
  248. line level stereo volume control using one pot?
  249. REPLACE TIP36 + 2N3055 IN TDA2030A
  250. Amp is making loud "boom pop" noises every second or so..

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