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View Full Version : Solid State


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  1. Where better to use charge suckout capacitors?
  2. substituting FETs
  3. Sony TA-N1 and TA-NR1, how do they sound?
  4. Altec 9440A?
  5. What is the goo? Adcom question.
  6. Is this stable??
  7. Old articles
  8. Adcom 555 repair parts swap ?
  9. If it aint broke
  10. Adcom 555 advice
  11. Hybrid Class A / Class B design.
  12. Has anyone ever tried a Beta Enhanced emitter follower VAS??
  13. Audio Amplifier without transistors or tubes?
  14. Make A Good Pre-amplifier???
  15. Quad FM4 tuner
  16. Testing a fried Marantz SR50 - any tips?
  17. JLH (my version)
  18. C/M Laboratories amps (and other gear)
  19. Op-amp for signal inversion.
  20. cambrigde audio a3i help!
  21. Low voltage opamp recommendations
  22. Questions about mosfets IRF3205 IRFZ44N
  23. Plate Amps or Monoblocks
  24. Moving to triamp, need decent cheap 3-way active crossover and poweramp advice
  25. For the owners of a Rotel RC960BX
  26. Mark Levinson no.29 clone? schematics available!
  27. Krell Shootout In Salt Lake City
  28. New amp results
  29. Adcom GFA-565
  30. Suggest improvement for this design
  31. How do you tell if an amp is bridgeable?
  32. C-Audio RA2000 Protection LED
  33. Nikko Alpha 220
  34. 10W JFET/MOSFET SE Class A, no Feed Back
  35. Parasound HCA-1200
  36. transistor mounting
  37. what transistors to use?
  38. what transistors to use?
  39. Interesting new TI op-amp w/ very low noise
  40. 50watt into 1ohm load with KAPPA 9
  41. Won't bother ....
  42. Threshold FET 10/pc Phono Stage Preamp Schematics aka FET 10pc, FET-10pc, fet ten/pc
  43. Marantz PM-66SE: No audio
  44. Taking advantage of parasitic properties
  45. power supply wiring
  46. Bob Cordell Interview: Power Supplies
  47. CA 540R schematic
  48. A question about powersupply fuses?
  49. Help me design a pcb for redcircuits 10 watt amp..
  50. Classe DR-15 schematics / Info?
  51. Shure Vocal Master Fuse Popping
  52. Marantz SR5000
  53. bias for pioneer a400?
  54. END200 who knows this design ?
  55. Ceramic caps: SMT as good as radial?
  56. Bozak restoration/update
  57. H-K AVR3000 loses memory among other things
  58. Ion Obelisk 3
  59. upc1298v power amp uk supplier?
  60. Request of Anatech
  61. bjt/mos (class A) CFP
  62. Belles Series I for sub duty
  63. bias capacitor
  64. Pioneer SA-710 Amplifier
  65. 12 Volts from 38 using IC Reg Chips
  66. nakamichi amplifier 1
  67. mitsubishi DA-A15DC
  68. How I Can Bridge This
  69. I found this one in the WEB...i think it is very interesting
  70. Current Mirrors and first post here
  71. 100w 8ohms does not opperate
  72. audiolab 8000a
  73. schematic
  74. Crest CPX-1500
  75. Conrad Heatsinks...
  76. Bob Cordell Interview: BJT vs. MOSFET
  77. powersupply not sure what to do?
  78. Yamaha RX-V590 On then Off Problem
  79. leach amp powersupply ?
  80. P3a mosfet equivalents
  81. Can't get home built amp working
  82. Amplifier Gain Question
  83. can irf540 +irf9540 be tested with dmm
  84. Amp non working
  85. Need small coupling capacitors
  86. power supply for project 68
  87. Remake of my DoZ almost completed [pics]
  88. Question about DC offset from source.
  89. marantz cd4000
  90. i have some pics of unwell pioneer
  91. Proposal of new test signal for amplifiers, with regard to HF interference
  92. Amplifier Input CSS, good thermal data + Red LED model
  93. Yamaha A-760
  94. Driver board on a Krell KSA 100S
  95. pye sx 6390 hifi project amplifier
  96. Bootstrapped FET source follower ?
  97. Opinion about this hi-fi amplifier
  98. Determine the signal path ?
  99. Pcb 300 W
  100. Need Denon PMA-750 Bias Procedure
  101. Need Marantz 2230 Bias Procedure
  102. follow up to pioneer a605r
  103. pioneer a605r keeps switching off
  104. Speakers for Adcom GFA 585?
  105. Future Trends in IC Opamps
  106. Serial or parallel
  107. Hafler DH500 Heatsinks - looking for djk
  108. AV receiver mod
  109. Lm4702 BPA
  110. Nad 7020 inputs
  111. NAD AMP.....sound distorted....fuses blown
  112. Phase Linear Model 200 help needed
  113. Sony saw40 sub problem
  114. 4th Ed. of Audio Power Amplifier Design Handbook (Doug Self)
  115. Rotel amplifier buzzing, please help
  116. DC300A II tweaks
  117. In Active crossover application, OPA2134 and OPA2604, which is better?
  118. 2 x 90w rms @ 8ohm help please
  119. simple mods to a solid state amp?
  120. Bridging Hitachi J50/k175 combo?
  121. Where to buy replacement Bando PT
  122. pcb layout for "project 68"
  123. Uploading large service manuals?
  124. Lack of air and volume as an indicator of crossover distortions
  125. 2x44VAC 300VA: What sub amp to build?
  126. How to minimize output offset drift w/o servo??
  127. JBL MPX600 Schematic
  128. Interesting output stage idea
  129. Anyone know anything about the Velleman K8060 el-cheapo 100w amp?
  130. When witch came.......
  131. Heatsink calculator?
  132. Help with RC values
  133. Help me troubleshooting amplifier module
  134. TI vs National -- the THS4520
  135. National Semiconductor LM4562 used as a line preamp.
  136. Building a sub amplifier
  137. Classic old Nad 7045 reciever with bias problems
  138. Need easy buffer/preamp help
  139. Denon PMA-250
  140. lesser of two evils, high level -> line level, digital volume control
  141. Is this passive attenuator woth building?
  142. The Smallest 50w Mosfet Amplifier
  143. Kenwood Equalizer
  144. Some help needed with a power amp
  145. Car woofers destroys normal amplifiers?
  146. IRFP... or MJ15003/15004_MORE POWER???
  147. Amplifier For 400 W_rms
  148. British Quad amplifiers
  149. Lubing CD Trays
  150. Adcom GFP-555 preamp. Upgrade It or Replace It?
  151. Clone KSA-200
  152. Aleph2 VS KSA100 VS LEACH150
  153. Why KSA100 can delivery 400W at 2ohm loading
  154. Newcastle R-956: Where there's smoke...
  155. The best SymaSym produced by our members
  156. cyrus 1 amp later version
  157. coherent noise and chaotic distortion
  158. BZLS and SKA GB150D
  159. transformer choice for amp
  160. ST MOSFET-Power Amplifier use???
  161. Arcam Alpha One upgrade
  162. Luxman LV-117 ?
  163. what do you think about this amp? (pic inside)
  164. Novice Question on Transistor Replacements
  165. My Nad 2200 burns all my tweeters.
  166. Guitar Amp buzzes off of power inverter, will this filter work?
  167. Need Sansui TA-300 Bias Procedure
  168. [DIY] HEXFET AMP total disaster?
  169. Hafler XL-280 : PC-40D circuit design
  170. slow turn on
  171. Slow CD Changer Tray
  172. Design for thermal stability?
  173. Internal amp wiring
  174. Phase Linear Model 700
  175. Cyrus Two low input impedance?
  176. what transistor to use??????
  177. newb 101 help
  178. Decisions... P101 vs. P3A vs. SKA
  179. Really Quick One: What Type Of Input Cap
  180. **** amplifier for party is not working!
  181. Ovation Amp
  182. HEXFET amp
  183. Rotel ra-935bx, opinions?
  184. BGW Pro 250E on the blink
  185. Hum hunting - LM4562 Phono stage
  186. Class A amp...is this normal?
  187. Schematic needed badly
  188. Levinson No23 DC offset troubleshooting
  189. Quad 405-2 mods - which ones?
  190. onkyo preamp p-306rs
  191. ESP P3a protection?
  192. Preamp/value for money
  193. Nakamichi Reciever 2 problems
  194. service manual, volume and balance pots for Teac SA200
  195. C Audio SR606 Schematic
  196. Hifonics ZX6400... no output from speakers outs.
  197. as connecting two processors
  198. big power amp
  199. loud thump when powering up my amp
  200. Yamaha RX-V490 Amp Problem
  201. Mark Levinson ML3 or No23 ????
  202. old commies amp working, few questions
  203. Sony VFET...tragic...
  204. Soft Turn On/Off on Hafler 9500
  205. Looking for Transistors
  206. WIKI archive for important and historic articles?
  207. Standard SMT footprints
  208. Output stage with gain
  209. Adcom GFA-545 II Schematic Needed
  210. Primary mode of transistor failure
  211. Transistor Help?????
  212. LCAudio Sidewinder 2 on fire
  213. Help with MF X-A 100R
  214. need help find out peak amps on a transfomer????????????
  215. Hitachi power MOSFET data book HLN600.
  216. any "true" class b amps out there?
  217. newbie - Kenwood 3020SE mains noise?
  218. Need low power high beta transistors - please drop me a few part numbers...
  219. Help diagnosing subwoofer amp
  220. crest clicker
  221. Retailer praise
  222. tips for first time builders
  223. Bob Cordell Interview: Error Correction
  224. Not really sure if this would even work, preamp?
  225. Where to get balance controls?
  226. Heatzinking before and now...
  227. Counterpoint SA-100 again!
  228. noise problems with an OptiMOS
  229. More simple class A
  230. amplifier schematics
  231. First build; simple SS P.A. Comments?
  232. Amplifier without vas stage
  233. amplifier schematics
  234. anyone using a battery powered pre?
  235. ampeg svt-3 pro schematic
  236. A.Holton AV400 using irfp or Quasi mosfet amplifier ?
  237. does any one know anything about the PRA-6000 preamp?
  238. Troubleshooting Sanusi AU-X901
  239. fast transistors
  240. Aura PSAMP1
  241. DC current protection for speakers
  242. Is it possible to turn integrated
  243. DIY Class-A mic-preamp
  244. NE5534 hacking (comparing input stages)
  245. RCA 65372 and CV109 output transistors replacement
  246. cervin-vega A 1800 schematic needed
  247. Nishiki hybrid amp
  248. latest version of Lizi
  249. H-bridge IGBT
  250. buzz problem please help...

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