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  1. Ayre MX-R "Uma"
  2. NAD 2200 power supplay help needed
  3. Searching for high hfe, low noise and cob PNP BJT
  4. A SAP15 based power amp
  5. Cleaning Those Female (+) R.C.A. Jacks
  6. Pi filter for Class AB amplifier, feedback please
  7. philips FA-951
  8. Phase Linear 700B Series II -Right channel out-
  9. Grounding questions
  10. thomann pa amp
  11. CRC power amp supply
  12. Any suggestion about YBA model INTEGRE DELTA DT
  13. Amp power calculations into different phase angles
  14. Harmon Kardon HK6100
  15. hum problem in NAD 3020 (help wanted)
  16. For 35A rectifiers, what is maximum without heatsink
  17. Mod - Upgrading opamps in a yamaha av receiver
  18. Upgrading Power Supply in QUAD 606 Mk2
  19. Data needed for an STK350-530 SIP IC
  20. Integrating Baffle step into Cyrus 2 feedback circuit.
  21. Yamaha DSP-E390 schematic
  22. Hum in phono circuit
  23. Keeps frying diodes
  24. Looking for Scott 480A schematics
  25. Quadral PA 03 Phonologue
  26. John Linsley Hood RIAA Preamp?
  27. amp question basic rec
  28. Tip33.....anyone got a schem.
  29. Using bipolar opamps
  30. Building an HT Amp-paralleling output devices?
  31. Amp info ????
  32. cyrus one - on/off power button
  33. Audio Research output transistors
  34. Owners manual needed, MUSE MODEL ONE
  35. Please Help! Harman Kardon HK775, problems
  36. Direct coupled Amp causing me grief...
  37. Electrocompaniet Mains Voltage conversion
  38. dc output control loop
  39. base-emitter voltage
  40. IRFP450 Replacements?
  41. How to set the bias of a FET output stage?
  42. Opamp upgrades
  43. NAD 7020 , small problem...
  44. Sansui AU-317 schematic
  45. Help!very Powerful Amp Needed!
  46. YBA integre output transistors
  47. here links diy schemas
  48. SPICE model of Dirty Harry
  49. Tripath Head Amps ?
  50. JLH Guitar Amp
  51. link to diycircuits
  52. naim information
  53. Lightspeed Tone Control...
  54. Test Amp - Construction Method
  55. What amp should I build?
  56. Power Amplifier Output Topologies
  57. hk citation twelve stock or mosfet version to drive original quad esl's ?
  58. p3a amp
  59. NAD C370 Diagnosis and repair help
  60. diy helppppp
  61. nad 3020 fried resistors
  62. Hummm...
  63. Testing the module AV400
  64. NAC 82 Schematic and Photos
  65. citation 12 hum und bias difficulties to adjust
  66. found a Technics SA-8100X
  67. Can you help me choose capacitors for my amplifier restoration project?
  68. If you put new output transsistors, class A/B, will tou match them?
  69. Plate Amp power cutout
  70. How to use P- and N-channel Mosfet as switches
  71. Harmon Kardon PM 640 amplifier
  72. Kantishna MK III, experimental MOSFET AMP
  73. Opamp PSRR
  74. +-70V amp needed
  75. noise level hearing evaluation
  76. Why no Pre-amplifier forum?
  77. Noob Question: What is a volume buffer?
  78. bora's legend 8 legend 4
  79. buffer ics: comparisons / experiences ?
  80. Simple balanced driver circuit.
  81. Possible upgrade for Sanken Darlingtons
  82. Fotios's microphone amplifier
  83. AKAI VS422 schematics
  84. Cascoded LTP input stages
  85. Building a new Amp
  86. Part Spec Help! (possible 2n4484)
  87. Nad 2240pe
  88. Samson F800 Audio Amplifier Problem
  89. Preamp
  90. Amp oscillation
  91. A powerFULL amplifier named Dirty Harry
  92. Just how good is the PIMETA?
  93. A circuit model for a microphone?
  94. IGBT amplifiers
  95. layout rules
  96. Advice on fixing an old amp that has just stopped working
  97. "reference" level preamplifier
  98. LM4562 vs TL072 and NE5532 ..impossible ?
  99. Why haven't some of you actually started small companies?
  100. Do transistors deteriorate?
  101. ampli for Martin Logan Quest Z
  102. Marantz PM44SE - Dead(ish) right channel
  103. Amcron (Crown) Micro-Tech 1200 help
  104. nakamichi amplifier 1
  105. My Audio Dynamics/ADC amp needs help!
  106. Dead Adcom GFA-555II
  107. Variac
  108. trouble with Denon POA 2800 amp - Anatech rsvp
  109. Marantz PM 7200 problem?
  110. Mjl3281 Soar
  111. Battery vs Conventional PSUs
  112. Which is the better power supply for a preamplifier?
  113. Wow!!! A wonderful preamplifier module!
  114. Aussie Amplifier AV 400
  115. hafler and adcom
  116. QUAD 606 Mk2 Power amp PROBLEMS
  117. Microphone "whistel" canceler schematic need!
  118. sansui Intergrated Amp SU-7900
  119. Audio Amplifier protections
  120. thanks BORA !!!!
  121. Safe to run IRF540 on +-42V?
  122. Power Amplifier Clipping Indicator
  123. Differences in Mosfet P and N channel Vgs
  124. Yamaha M-80 Schematics
  125. krell 300i schematic please or photos
  126. Best sounding analog switch IC for input source selector
  127. Ak4527vq
  128. Ge transistors
  129. hybrid amp,split ouput
  130. resistors and capacitor which one have the best sound ???
  131. DIY 200w amp
  132. Samson Servo 260 problems
  133. VSP LABS Trans Mos Amplifier
  134. cyrus3 experts
  135. Rail Switching vs. "predictive" rail switching
  136. Gallien-Krueger 2100 SEL - need two Mosfet transistors - advice?
  137. Proposed P.C. based spectrum analysers
  138. Behringer A500 power amp problem, please help?
  139. How come chokes arent common with SS psu?
  140. Loud POP 555mkII moderate volume.
  141. critique my amp design please
  142. What to build with +/-65V?
  143. Aleph P1.7 "the design starts here"
  144. SAE A502 Keeps smoking protection transistors
  145. How about shunt regulatorH
  146. 1500 Watt
  147. audio research d400
  148. volume pot
  149. eti-480 help
  150. Suggested line level stage.
  151. How much should be it the Zin of a Power Amplifier?
  152. Rail switching amplifiers and supply voltage levels
  153. Leak stereo 70 fault
  154. Roksan Kandy mkIII Tweaks????
  155. ac cord
  156. A Dummy Load different from the usual
  157. Amplifier for 1-ohm ribbons?
  158. who knows this transistor?
  159. parasound input conversion
  160. HELP! Carver PM-1200 MANUAL/SCHEMATIC
  161. NAD 302 Improvements
  162. Current sink, anyone studied lowest noise?
  163. ExtremA, class-A strikes back?
  164. Bias control problem with n-channel amplifier (Anthony E. Holton)
  165. Best ground connection
  166. Symasym - Roender Style
  167. leach amp parts to-3
  168. detailed block diagram of Sony CXD1135Q
  169. Simple pre-amp schematic needed
  170. Need a krell 300i amp schematic
  171. The first half of my 69JLH works!!
  172. I wang to do it:uhc mos amplifier
  173. How to test mosfet?
  174. Newbie voltage regulator question
  175. problem with preamplifier simulation
  176. Suppier of MJL21193/4 trannies in Australia?
  177. Zobel Network Corrections
  178. Zhalou P1 Audio Power Amplifier
  179. Should I call this pre-amp+ PDB a "SPLIF" Amp?
  180. My 1st order butterworth filter better than 4th order L-R: Why?
  181. counterpoint sa100 headaches
  182. Trace Elliot TA100R - schematics needed
  183. Parasound HCA1500A amp schematic
  184. What is nested feedback, how it realy works and some examples...
  185. EXPOSURE X Integrated Amp Help
  186. Akai AA-1030 schematic?
  187. Carver C-1 Preamp Power Switch
  188. Replacing IGBTs with BJTs in Elektor IGBT design!
  189. Open loop bandwidth in op-amp.
  190. DIY NAim amplifier
  191. setting bias for power FETs?
  192. Modern transistors for CFP output for preamp
  193. the NFB and the time lag in L.F. and H.F.
  194. VAS, the stage that makes or breaks audio nirvana??
  195. Leach amp problem
  196. Charge pumps as power supplies
  197. Exposure model 8 output transistors
  198. Cascode and phaseshift relation
  199. Amplifier NPN+PNP Transistors Tester Circuit
  200. marantz pm7200 preamplifer
  201. Sub-woofer high level input
  202. SE Class-A developing
  203. Interesting crossover question
  204. Two preamp swithceroo. Suggestions?
  205. Crown IC-150A POOGE
  206. Help with upgrades to integrated amp
  207. NAD 7225PE schematic wanted
  208. mismatch in bridging 2 channels
  209. Quad 405: Bernd Ludwig's new Mod text
  210. My amp only works after a while, or when turned up loud.
  211. Suggestions for a preamplifier kit
  212. DC Offset Problem with Micromega Amp
  213. Lead or Lag compensation??
  214. Proton AP-1000
  215. TO-3 Bipolar Output Transistors
  216. power supply for techno amp
  217. Destroyer x Amplifier...Dx amp...my amplifier
  218. 3kva transformer in uk
  219. Supply depended oscillation
  220. Replacement caps
  221. NAD 7000 Output
  222. Post your Solid State pics here.
  223. Resistor values in feedback loop/voltage divider???
  224. Connecting Virtual Ground Circuits with True Ground circuits??
  225. Hum problems with my MOS amp
  226. Krell KAV 250a deader than a dodo
  227. Sub plate amp hum/crackle
  228. Need Cambridge A500 help
  229. Marantz M250 schematic needed
  230. Quad 306 fault finding
  231. How about a round-up of Class A kit power amps, or collectable vintage class A?
  232. Mythbusters, let's detonate some foolishes.
  233. Interesting find: 5-channel amp, beautiful chassis and design
  234. Upgrading parts in an integrated amplifier
  235. Denon PMA480R protection circuit
  236. Problem with amp
  237. Amplifier heat issue
  238. Subwoofer amp basics question
  239. Aragon question...
  240. Fixing non-functional chorus in Roland JC-120
  241. internal block diagram for CXD1135Q
  242. "Higher Fidelity Ind." - any info, please?
  243. yamaha P-2200...what to do?
  244. Opamp oscillation
  245. HK Citation 17S trouble- HELP!
  246. Mcs Series Solid State Stereo Receiver ~ Jc Penney Co.
  247. NAD 3020 input jack problem
  248. Using a car amp in the house??
  249. Denon PMA-520 Integrated Amp "Buzz"
  250. still looking for schematics......

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