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  1. Quad 405: bypassing speaker protection PCB?
  2. Oscillations gone wild... Kenwood L-07MII
  3. Active current source
  4. Bipolar OP Stage Error Correction
  5. Insulators - heatsink
  6. Replacement Pots for HK730
  7. Output transistor substitution
  8. SINCLAIR Amps from c1972
  9. Nad c340 input selector
  10. Mini Crescendo article
  11. Naim nap 140 feedback resistors
  12. Oen loop preamp topology questions
  13. brown alps pot replacement?120k can i use 50 k to replace it
  14. About INPUT RESISTER separated from ground
  15. 250watt 8ohm need an opinion
  16. Simple fet amps schematics, suggestions?
  17. MOSFET amplifier
  18. Mark Levenson 20.5 schmatics
  19. What do you use for a simple cheap load?
  20. Amplifier Av-800
  21. Roll off power amp low end?
  22. Marantz SR5400 schematic
  23. NAD3140 problem
  24. amp blows fuses at turn on where should I start looking?
  25. Acoustat Trans-Nova Twin-200 biasing
  26. can you bypass internal crossover on BASH plate amp?
  27. Amp Will Not Function
  28. Pioneer amplifier SA-1270?
  29. MJL4281A/4302A Amplifier or MOSFET's
  30. Denon PRA-1000
  31. Power Supply - need to reduce voltage - any hint?
  32. cd input too loud can it be attenuated?
  33. Why main fuse and not rail fuse?
  34. Worth repairing amp or building new?
  35. Half-dead Rotel RB-850 resurrection
  36. Cambridge Audio A3i Relay
  37. Yamaha MX-1000U Protection always on..Help!
  38. Harman Kardon PM 620 oscillating
  39. Luxman L-85 schematic wanted .
  40. Kevin Gilmore
  41. Audio Analogue Puccini
  42. Wanted: Crown K2 service manual or schematics
  43. high quality 10A dual voltage regulator
  44. 2sc2705 for differential??
  45. Problems with Carvin PB500 Amp
  46. transistors
  47. Where better to use charge suckout capacitors?
  48. substituting FETs
  49. Sony TA-N1 and TA-NR1, how do they sound?
  50. Altec 9440A?
  51. What is the goo? Adcom question.
  52. Is this stable??
  53. Old articles
  54. Adcom 555 repair parts swap ?
  55. If it aint broke
  56. Adcom 555 advice
  57. Hybrid Class A / Class B design.
  58. Has anyone ever tried a Beta Enhanced emitter follower VAS??
  59. Audio Amplifier without transistors or tubes?
  60. Make A Good Pre-amplifier???
  61. Quad FM4 tuner
  62. Testing a fried Marantz SR50 - any tips?
  63. JLH (my version)
  64. C/M Laboratories amps (and other gear)
  65. Op-amp for signal inversion.
  66. cambrigde audio a3i help!
  67. Low voltage opamp recommendations
  68. Questions about mosfets IRF3205 IRFZ44N
  69. Plate Amps or Monoblocks
  70. Moving to triamp, need decent cheap 3-way active crossover and poweramp advice
  71. For the owners of a Rotel RC960BX
  72. Mark Levinson no.29 clone? schematics available!
  73. Krell Shootout In Salt Lake City
  74. New amp results
  75. Adcom GFA-565
  76. Suggest improvement for this design
  77. How do you tell if an amp is bridgeable?
  78. C-Audio RA2000 Protection LED
  79. Nikko Alpha 220
  80. 10W JFET/MOSFET SE Class A, no Feed Back
  81. Parasound HCA-1200
  82. transistor mounting
  83. what transistors to use?
  84. what transistors to use?
  85. Interesting new TI op-amp w/ very low noise
  86. 50watt into 1ohm load with KAPPA 9
  87. Won't bother ....
  88. Threshold FET 10/pc Phono Stage Preamp Schematics aka FET 10pc, FET-10pc, fet ten/pc
  89. Marantz PM-66SE: No audio
  90. Taking advantage of parasitic properties
  91. power supply wiring
  92. Bob Cordell Interview: Power Supplies
  93. CA 540R schematic
  94. A question about powersupply fuses?
  95. Help me design a pcb for redcircuits 10 watt amp..
  96. Classe DR-15 schematics / Info?
  97. Shure Vocal Master Fuse Popping
  98. Marantz SR5000
  99. bias for pioneer a400?
  100. END200 who knows this design ?
  101. Ceramic caps: SMT as good as radial?
  102. Bozak restoration/update
  103. H-K AVR3000 loses memory among other things
  104. Ion Obelisk 3
  105. upc1298v power amp uk supplier?
  106. Request of Anatech
  107. bjt/mos (class A) CFP
  108. Belles Series I for sub duty
  109. bias capacitor
  110. Pioneer SA-710 Amplifier
  111. 12 Volts from 38 using IC Reg Chips
  112. nakamichi amplifier 1
  113. mitsubishi DA-A15DC
  114. How I Can Bridge This
  115. I found this one in the WEB...i think it is very interesting
  116. Current Mirrors and first post here
  117. 100w 8ohms does not opperate
  118. audiolab 8000a
  119. schematic
  120. Crest CPX-1500
  121. Conrad Heatsinks...
  122. Bob Cordell Interview: BJT vs. MOSFET
  123. powersupply not sure what to do?
  124. Yamaha RX-V590 On then Off Problem
  125. leach amp powersupply ?
  126. P3a mosfet equivalents
  127. Can't get home built amp working
  128. Amplifier Gain Question
  129. can irf540 +irf9540 be tested with dmm
  130. Amp non working
  131. Need small coupling capacitors
  132. power supply for project 68
  133. Remake of my DoZ almost completed [pics]
  134. Question about DC offset from source.
  135. marantz cd4000
  136. i have some pics of unwell pioneer
  137. Proposal of new test signal for amplifiers, with regard to HF interference
  138. Amplifier Input CSS, good thermal data + Red LED model
  139. Yamaha A-760
  140. Driver board on a Krell KSA 100S
  141. pye sx 6390 hifi project amplifier
  142. Bootstrapped FET source follower ?
  143. Opinion about this hi-fi amplifier
  144. Determine the signal path ?
  145. Pcb 300 W
  146. Need Denon PMA-750 Bias Procedure
  147. Need Marantz 2230 Bias Procedure
  148. follow up to pioneer a605r
  149. pioneer a605r keeps switching off
  150. Speakers for Adcom GFA 585?
  151. Future Trends in IC Opamps
  152. Serial or parallel
  153. Hafler DH500 Heatsinks - looking for djk
  154. AV receiver mod
  155. Lm4702 BPA
  156. Nad 7020 inputs
  157. NAD AMP.....sound distorted....fuses blown
  158. Phase Linear Model 200 help needed
  159. Sony saw40 sub problem
  160. 4th Ed. of Audio Power Amplifier Design Handbook (Doug Self)
  161. Rotel amplifier buzzing, please help
  162. DC300A II tweaks
  163. In Active crossover application, OPA2134 and OPA2604, which is better?
  164. 2 x 90w rms @ 8ohm help please
  165. simple mods to a solid state amp?
  166. Bridging Hitachi J50/k175 combo?
  167. Where to buy replacement Bando PT
  168. pcb layout for "project 68"
  169. Uploading large service manuals?
  170. Lack of air and volume as an indicator of crossover distortions
  171. 2x44VAC 300VA: What sub amp to build?
  172. How to minimize output offset drift w/o servo??
  173. JBL MPX600 Schematic
  174. Interesting output stage idea
  175. Anyone know anything about the Velleman K8060 el-cheapo 100w amp?
  176. When witch came.......
  177. Heatsink calculator?
  178. Help with RC values
  179. Help me troubleshooting amplifier module
  180. TI vs National -- the THS4520
  181. National Semiconductor LM4562 used as a line preamp.
  182. Building a sub amplifier
  183. Classic old Nad 7045 reciever with bias problems
  184. Need easy buffer/preamp help
  185. Denon PMA-250
  186. lesser of two evils, high level -> line level, digital volume control
  187. Is this passive attenuator woth building?
  188. The Smallest 50w Mosfet Amplifier
  189. Kenwood Equalizer
  190. Some help needed with a power amp
  191. Car woofers destroys normal amplifiers?
  192. IRFP... or MJ15003/15004_MORE POWER???
  193. Amplifier For 400 W_rms
  194. British Quad amplifiers
  195. Lubing CD Trays
  196. Adcom GFP-555 preamp. Upgrade It or Replace It?
  197. Clone KSA-200
  198. Aleph2 VS KSA100 VS LEACH150
  199. Why KSA100 can delivery 400W at 2ohm loading
  200. Newcastle R-956: Where there's smoke...
  201. The best SymaSym produced by our members
  202. cyrus 1 amp later version
  203. coherent noise and chaotic distortion
  204. BZLS and SKA GB150D
  205. transformer choice for amp
  206. ST MOSFET-Power Amplifier use???
  207. Arcam Alpha One upgrade
  208. Luxman LV-117 ?
  209. what do you think about this amp? (pic inside)
  210. Novice Question on Transistor Replacements
  211. My Nad 2200 burns all my tweeters.
  212. Need Sansui TA-300 Bias Procedure
  213. [DIY] HEXFET AMP total disaster?
  214. Hafler XL-280 : PC-40D circuit design
  215. slow turn on
  216. Slow CD Changer Tray
  217. Design for thermal stability?
  218. Internal amp wiring
  219. Phase Linear Model 700
  220. Cyrus Two low input impedance?
  221. what transistor to use??????
  222. newb 101 help
  223. Decisions... P101 vs. P3A vs. SKA
  224. Really Quick One: What Type Of Input Cap
  225. **** amplifier for party is not working!
  226. Ovation Amp
  227. HEXFET amp
  228. Rotel ra-935bx, opinions?
  229. BGW Pro 250E on the blink
  230. Hum hunting - LM4562 Phono stage
  231. Class A amp...is this normal?
  232. Schematic needed badly
  233. Levinson No23 DC offset troubleshooting
  234. Quad 405-2 mods - which ones?
  235. onkyo preamp p-306rs
  236. ESP P3a protection?
  237. Preamp/value for money
  238. Nakamichi Reciever 2 problems
  239. service manual, volume and balance pots for Teac SA200
  240. C Audio SR606 Schematic
  241. Hifonics ZX6400... no output from speakers outs.
  242. as connecting two processors
  243. big power amp
  244. loud thump when powering up my amp
  245. Yamaha RX-V490 Amp Problem
  246. Mark Levinson ML3 or No23 ????
  247. old commies amp working, few questions
  248. Sony VFET...tragic...
  249. Soft Turn On/Off on Hafler 9500
  250. Looking for Transistors

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