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  1. Parasound P/HP - 850 Preamp modifications
  2. Musical Fidelity X-A1 Modification
  3. PCB Design Packages
  4. Ouput relay vs low end response
  5. Installed the 2sc2705 in differential..
  6. kelvin labs?
  7. detail av-800
  8. Luxman R-1050 trouble
  9. what poweramp is realy the best to build?
  10. Right channel seems to have died on Kriesler stereo - need help
  11. Schematic 500 w
  12. Pc based function generator
  13. SKA Heatsinks
  14. Marantz 510m Resurection
  15. help
  16. "TECHNO"Amp building in progress-using "Iron Method"
  17. Who supplies the cheapest toroidal transformers in uk?
  18. Nakamichi PA-7 & PA-5 Bias Setting?
  19. What is the optimum output power of this pairs???
  20. Could this Adcom really work?
  21. Need Help Sourcing Parts
  22. sanken DAT1018p datasheets??
  23. Denon AVC-3530 Amplifier 5 Channel Input Mod
  24. Turn on delay for single-railed amp
  25. Who has a servive mnual from the ONIX OA21S amplifier?
  26. 2 Transformers close together...
  27. putting transistors in series
  28. Help Musical Fidelity B1
  29. Discrete guitar preamp
  30. Anyone know about the AD-08 opamp ?
  31. Transistors for Krell KSA-250?
  32. How to edit a posting
  33. who got the best simulator
  34. looking for a nad c350 schematic
  35. Quad 405: bypassing speaker protection PCB?
  36. Oscillations gone wild... Kenwood L-07MII
  37. Active current source
  38. Bipolar OP Stage Error Correction
  39. Insulators - heatsink
  40. Replacement Pots for HK730
  41. Output transistor substitution
  42. SINCLAIR Amps from c1972
  43. Nad c340 input selector
  44. Mini Crescendo article
  45. Naim nap 140 feedback resistors
  46. Oen loop preamp topology questions
  47. brown alps pot replacement?120k can i use 50 k to replace it
  48. About INPUT RESISTER separated from ground
  49. 250watt 8ohm need an opinion
  50. Guitar amplifier wierdness
  51. Simple fet amps schematics, suggestions?
  52. MOSFET amplifier
  53. Mark Levenson 20.5 schmatics
  54. What do you use for a simple cheap load?
  55. Amplifier Av-800
  56. Roll off power amp low end?
  57. Marantz SR5400 schematic
  58. NAD3140 problem
  59. amp blows fuses at turn on where should I start looking?
  60. Acoustat Trans-Nova Twin-200 biasing
  61. can you bypass internal crossover on BASH plate amp?
  62. Amp Will Not Function
  63. Pioneer amplifier SA-1270?
  64. MJL4281A/4302A Amplifier or MOSFET's
  65. Denon PRA-1000
  66. Power Supply - need to reduce voltage - any hint?
  67. cd input too loud can it be attenuated?
  68. Why main fuse and not rail fuse?
  69. Worth repairing amp or building new?
  70. Half-dead Rotel RB-850 resurrection
  71. Cambridge Audio A3i Relay
  72. Yamaha MX-1000U Protection always on..Help!
  73. Harman Kardon PM 620 oscillating
  74. Luxman L-85 schematic wanted .
  75. Kevin Gilmore
  76. Audio Analogue Puccini
  77. Wanted: Crown K2 service manual or schematics
  78. high quality 10A dual voltage regulator
  79. 2sc2705 for differential??
  80. Problems with Carvin PB500 Amp
  81. transistors
  82. Where better to use charge suckout capacitors?
  83. substituting FETs
  84. Sony TA-N1 and TA-NR1, how do they sound?
  85. Altec 9440A?
  86. What is the goo? Adcom question.
  87. Is this stable??
  88. Old articles
  89. Adcom 555 repair parts swap ?
  90. If it aint broke
  91. Adcom 555 advice
  92. Hybrid Class A / Class B design.
  93. Has anyone ever tried a Beta Enhanced emitter follower VAS??
  94. Audio Amplifier without transistors or tubes?
  95. Make A Good Pre-amplifier???
  96. Quad FM4 tuner
  97. Testing a fried Marantz SR50 - any tips?
  98. JLH (my version)
  99. C/M Laboratories amps (and other gear)
  100. Op-amp for signal inversion.
  101. cambrigde audio a3i help!
  102. Low voltage opamp recommendations
  103. Questions about mosfets IRF3205 IRFZ44N
  104. Plate Amps or Monoblocks
  105. Moving to triamp, need decent cheap 3-way active crossover and poweramp advice
  106. For the owners of a Rotel RC960BX
  107. Mark Levinson no.29 clone? schematics available!
  108. Krell Shootout In Salt Lake City
  109. New amp results
  110. Adcom GFA-565
  111. Suggest improvement for this design
  112. How do you tell if an amp is bridgeable?
  113. C-Audio RA2000 Protection LED
  114. Nikko Alpha 220
  115. 10W JFET/MOSFET SE Class A, no Feed Back
  116. Parasound HCA-1200
  117. transistor mounting
  118. what transistors to use?
  119. what transistors to use?
  120. Interesting new TI op-amp w/ very low noise
  121. 50watt into 1ohm load with KAPPA 9
  122. Won't bother ....
  123. Threshold FET 10/pc Phono Stage Preamp Schematics aka FET 10pc, FET-10pc, fet ten/pc
  124. Marantz PM-66SE: No audio
  125. Taking advantage of parasitic properties
  126. power supply wiring
  127. Bob Cordell Interview: Power Supplies
  128. CA 540R schematic
  129. A question about powersupply fuses?
  130. Help me design a pcb for redcircuits 10 watt amp..
  131. Classe DR-15 schematics / Info?
  132. Shure Vocal Master Fuse Popping
  133. Marantz SR5000
  134. bias for pioneer a400?
  135. END200 who knows this design ?
  136. Ceramic caps: SMT as good as radial?
  137. Bozak restoration/update
  138. H-K AVR3000 loses memory among other things
  139. Ion Obelisk 3
  140. upc1298v power amp uk supplier?
  141. Request of Anatech
  142. bjt/mos (class A) CFP
  143. Belles Series I for sub duty
  144. bias capacitor
  145. Pioneer SA-710 Amplifier
  146. 12 Volts from 38 using IC Reg Chips
  147. nakamichi amplifier 1
  148. mitsubishi DA-A15DC
  149. How I Can Bridge This
  150. I found this one in the WEB...i think it is very interesting
  151. Current Mirrors and first post here
  152. 100w 8ohms does not opperate
  153. audiolab 8000a
  154. schematic
  155. Crest CPX-1500
  156. Conrad Heatsinks...
  157. Bob Cordell Interview: BJT vs. MOSFET
  158. powersupply not sure what to do?
  159. Yamaha RX-V590 On then Off Problem
  160. leach amp powersupply ?
  161. P3a mosfet equivalents
  162. Can't get home built amp working
  163. Amplifier Gain Question
  164. can irf540 +irf9540 be tested with dmm
  165. Amp non working
  166. Need small coupling capacitors
  167. power supply for project 68
  168. Remake of my DoZ almost completed [pics]
  169. Question about DC offset from source.
  170. marantz cd4000
  171. i have some pics of unwell pioneer
  172. Proposal of new test signal for amplifiers, with regard to HF interference
  173. Amplifier Input CSS, good thermal data + Red LED model
  174. Yamaha A-760
  175. Driver board on a Krell KSA 100S
  176. pye sx 6390 hifi project amplifier
  177. Bootstrapped FET source follower ?
  178. Opinion about this hi-fi amplifier
  179. Determine the signal path ?
  180. Pcb 300 W
  181. Need Denon PMA-750 Bias Procedure
  182. Need Marantz 2230 Bias Procedure
  183. follow up to pioneer a605r
  184. pioneer a605r keeps switching off
  185. Speakers for Adcom GFA 585?
  186. Future Trends in IC Opamps
  187. Serial or parallel
  188. Hafler DH500 Heatsinks - looking for djk
  189. AV receiver mod
  190. Lm4702 BPA
  191. Nad 7020 inputs
  192. NAD AMP.....sound distorted....fuses blown
  193. Phase Linear Model 200 help needed
  194. Sony saw40 sub problem
  195. 4th Ed. of Audio Power Amplifier Design Handbook (Doug Self)
  196. Rotel amplifier buzzing, please help
  197. DC300A II tweaks
  198. In Active crossover application, OPA2134 and OPA2604, which is better?
  199. 2 x 90w rms @ 8ohm help please
  200. simple mods to a solid state amp?
  201. Bridging Hitachi J50/k175 combo?
  202. Where to buy replacement Bando PT
  203. pcb layout for "project 68"
  204. Uploading large service manuals?
  205. Lack of air and volume as an indicator of crossover distortions
  206. 2x44VAC 300VA: What sub amp to build?
  207. How to minimize output offset drift w/o servo??
  208. JBL MPX600 Schematic
  209. Interesting output stage idea
  210. Anyone know anything about the Velleman K8060 el-cheapo 100w amp?
  211. When witch came.......
  212. Heatsink calculator?
  213. Help with RC values
  214. Help me troubleshooting amplifier module
  215. TI vs National -- the THS4520
  216. National Semiconductor LM4562 used as a line preamp.
  217. Building a sub amplifier
  218. Classic old Nad 7045 reciever with bias problems
  219. Need easy buffer/preamp help
  220. Denon PMA-250
  221. lesser of two evils, high level -> line level, digital volume control
  222. Is this passive attenuator woth building?
  223. The Smallest 50w Mosfet Amplifier
  224. Kenwood Equalizer
  225. Some help needed with a power amp
  226. Car woofers destroys normal amplifiers?
  227. IRFP... or MJ15003/15004_MORE POWER???
  228. Amplifier For 400 W_rms
  229. British Quad amplifiers
  230. Lubing CD Trays
  231. Adcom GFP-555 preamp. Upgrade It or Replace It?
  232. Clone KSA-200
  233. Aleph2 VS KSA100 VS LEACH150
  234. Why KSA100 can delivery 400W at 2ohm loading
  235. Newcastle R-956: Where there's smoke...
  236. The best SymaSym produced by our members
  237. cyrus 1 amp later version
  238. coherent noise and chaotic distortion
  239. BZLS and SKA GB150D
  240. transformer choice for amp
  241. ST MOSFET-Power Amplifier use???
  242. Arcam Alpha One upgrade
  243. Luxman LV-117 ?
  244. what do you think about this amp? (pic inside)
  245. Novice Question on Transistor Replacements
  246. My Nad 2200 burns all my tweeters.
  247. Guitar Amp buzzes off of power inverter, will this filter work?
  248. Need Sansui TA-300 Bias Procedure
  249. [DIY] HEXFET AMP total disaster?
  250. Hafler XL-280 : PC-40D circuit design

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