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  1. Soft start + switch on PCB
  2. PLS-226 Schematic
  3. Rotel RX-830
  4. LCR EQ questions
  5. more info about "Voxson"
  6. Sourcing Genuine Toshibas in USA
  7. A09 class A pionner
  8. Peavey pv2000 power amp
  9. Toroid Transformer for Hafler DH-200
  10. passive preamp
  11. Sansui TU-9900 Restoration and Mods
  12. humming Harman Kardon 330B
  13. Sony TA-AV670 amp repair
  14. Schematic 500w
  15. Opinions from amplifier analysers on these amp circuits
  16. auditek speakers chip amps
  17. Bias Monitoring of Separate Heatsinks
  18. Differential transistor input stage
  19. Connecting OSCONs in series for high voltage.
  20. difference of 1st stage
  21. PCB hiraga 20w
  22. QSC designs
  23. Modifying a commercial amp (Peavey CS-800-B)
  24. BJTs for VAS Stages
  25. tweaking a class AB amp
  26. How much amplifier power do I need
  27. A cirucit to put Carlos anti-blameless stance to permanent rest.
  28. Ayre MX-R "Uma"
  29. NAD 2200 power supplay help needed
  30. Searching for high hfe, low noise and cob PNP BJT
  31. A SAP15 based power amp
  32. Cleaning Those Female (+) R.C.A. Jacks
  33. Pi filter for Class AB amplifier, feedback please
  34. philips FA-951
  35. Phase Linear 700B Series II -Right channel out-
  36. Grounding questions
  37. thomann pa amp
  38. CRC power amp supply
  39. Any suggestion about YBA model INTEGRE DELTA DT
  40. Amp power calculations into different phase angles
  41. Harmon Kardon HK6100
  42. hum problem in NAD 3020 (help wanted)
  43. For 35A rectifiers, what is maximum without heatsink
  44. Mod - Upgrading opamps in a yamaha av receiver
  45. Upgrading Power Supply in QUAD 606 Mk2
  46. Data needed for an STK350-530 SIP IC
  47. Integrating Baffle step into Cyrus 2 feedback circuit.
  48. Yamaha DSP-E390 schematic
  49. Hum in phono circuit
  50. Keeps frying diodes
  51. Looking for Scott 480A schematics
  52. Quadral PA 03 Phonologue
  53. John Linsley Hood RIAA Preamp?
  54. amp question basic rec
  55. Tip33.....anyone got a schem.
  56. Using bipolar opamps
  57. Building an HT Amp-paralleling output devices?
  58. Amp info ????
  59. cyrus one - on/off power button
  60. Audio Research output transistors
  61. Owners manual needed, MUSE MODEL ONE
  62. Please Help! Harman Kardon HK775, problems
  63. Direct coupled Amp causing me grief...
  64. Electrocompaniet Mains Voltage conversion
  65. dc output control loop
  66. base-emitter voltage
  67. IRFP450 Replacements?
  68. How to set the bias of a FET output stage?
  69. Opamp upgrades
  70. NAD 7020 , small problem...
  71. Sansui AU-317 schematic
  72. Help!very Powerful Amp Needed!
  73. YBA integre output transistors
  74. here links diy schemas
  75. SPICE model of Dirty Harry
  76. Tripath Head Amps ?
  77. JLH Guitar Amp
  78. link to diycircuits
  79. naim information
  80. Lightspeed Tone Control...
  81. Test Amp - Construction Method
  82. What amp should I build?
  83. Power Amplifier Output Topologies
  84. hk citation twelve stock or mosfet version to drive original quad esl's ?
  85. p3a amp
  86. NAD C370 Diagnosis and repair help
  87. diy helppppp
  88. nad 3020 fried resistors
  89. Hummm...
  90. Testing the module AV400
  91. NAC 82 Schematic and Photos
  92. citation 12 hum und bias difficulties to adjust
  93. found a Technics SA-8100X
  94. Can you help me choose capacitors for my amplifier restoration project?
  95. If you put new output transsistors, class A/B, will tou match them?
  96. Plate Amp power cutout
  97. How to use P- and N-channel Mosfet as switches
  98. Harmon Kardon PM 640 amplifier
  99. Kantishna MK III, experimental MOSFET AMP
  100. Opamp PSRR
  101. +-70V amp needed
  102. noise level hearing evaluation
  103. Why no Pre-amplifier forum?
  104. Noob Question: What is a volume buffer?
  105. bora's legend 8 legend 4
  106. buffer ics: comparisons / experiences ?
  107. Simple balanced driver circuit.
  108. Possible upgrade for Sanken Darlingtons
  109. Fotios's microphone amplifier
  110. AKAI VS422 schematics
  111. Cascoded LTP input stages
  112. Building a new Amp
  113. Part Spec Help! (possible 2n4484)
  114. Nad 2240pe
  115. Samson F800 Audio Amplifier Problem
  116. Preamp
  117. Amp oscillation
  118. A powerFULL amplifier named Dirty Harry
  119. Just how good is the PIMETA?
  120. A circuit model for a microphone?
  121. IGBT amplifiers
  122. layout rules
  123. Advice on fixing an old amp that has just stopped working
  124. "reference" level preamplifier
  125. LM4562 vs TL072 and NE5532 ..impossible ?
  126. Why haven't some of you actually started small companies?
  127. Do transistors deteriorate?
  128. ampli for Martin Logan Quest Z
  129. Marantz PM44SE - Dead(ish) right channel
  130. Amcron (Crown) Micro-Tech 1200 help
  131. nakamichi amplifier 1
  132. My Audio Dynamics/ADC amp needs help!
  133. Dead Adcom GFA-555II
  134. Variac
  135. trouble with Denon POA 2800 amp - Anatech rsvp
  136. Marantz PM 7200 problem?
  137. Mjl3281 Soar
  138. Battery vs Conventional PSUs
  139. Which is the better power supply for a preamplifier?
  140. Wow!!! A wonderful preamplifier module!
  141. Aussie Amplifier AV 400
  142. hafler and adcom
  143. QUAD 606 Mk2 Power amp PROBLEMS
  144. Microphone "whistel" canceler schematic need!
  145. sansui Intergrated Amp SU-7900
  146. Audio Amplifier protections
  147. thanks BORA !!!!
  148. Safe to run IRF540 on +-42V?
  149. Power Amplifier Clipping Indicator
  150. Differences in Mosfet P and N channel Vgs
  151. Yamaha M-80 Schematics
  152. krell 300i schematic please or photos
  153. Best sounding analog switch IC for input source selector
  154. Ak4527vq
  155. Ge transistors
  156. hybrid amp,split ouput
  157. resistors and capacitor which one have the best sound ???
  158. DIY 200w amp
  159. Samson Servo 260 problems
  160. VSP LABS Trans Mos Amplifier
  161. cyrus3 experts
  162. Rail Switching vs. "predictive" rail switching
  163. Gallien-Krueger 2100 SEL - need two Mosfet transistors - advice?
  164. Proposed P.C. based spectrum analysers
  165. Behringer A500 power amp problem, please help?
  166. How come chokes arent common with SS psu?
  167. Loud POP 555mkII moderate volume.
  168. critique my amp design please
  169. What to build with +/-65V?
  170. Aleph P1.7 "the design starts here"
  171. SAE A502 Keeps smoking protection transistors
  172. How about shunt regulatorH
  173. 1500 Watt
  174. audio research d400
  175. volume pot
  176. eti-480 help
  177. Suggested line level stage.
  178. How much should be it the Zin of a Power Amplifier?
  179. Rail switching amplifiers and supply voltage levels
  180. Leak stereo 70 fault
  181. Roksan Kandy mkIII Tweaks????
  182. ac cord
  183. A Dummy Load different from the usual
  184. Amplifier for 1-ohm ribbons?
  185. who knows this transistor?
  186. parasound input conversion
  187. HELP! Carver PM-1200 MANUAL/SCHEMATIC
  188. NAD 302 Improvements
  189. Current sink, anyone studied lowest noise?
  190. ExtremA, class-A strikes back?
  191. Bias control problem with n-channel amplifier (Anthony E. Holton)
  192. Best ground connection
  193. Symasym - Roender Style
  194. leach amp parts to-3
  195. detailed block diagram of Sony CXD1135Q
  196. Simple pre-amp schematic needed
  197. Need a krell 300i amp schematic
  198. The first half of my 69JLH works!!
  199. I wang to do it:uhc mos amplifier
  200. How to test mosfet?
  201. Newbie voltage regulator question
  202. problem with preamplifier simulation
  203. Suppier of MJL21193/4 trannies in Australia?
  204. Zobel Network Corrections
  205. Zhalou P1 Audio Power Amplifier
  206. Should I call this pre-amp+ PDB a "SPLIF" Amp?
  207. My 1st order butterworth filter better than 4th order L-R: Why?
  208. counterpoint sa100 headaches
  209. Trace Elliot TA100R - schematics needed
  210. Parasound HCA1500A amp schematic
  211. What is nested feedback, how it realy works and some examples...
  212. EXPOSURE X Integrated Amp Help
  213. Akai AA-1030 schematic?
  214. Carver C-1 Preamp Power Switch
  215. Replacing IGBTs with BJTs in Elektor IGBT design!
  216. Open loop bandwidth in op-amp.
  217. DIY NAim amplifier
  218. setting bias for power FETs?
  219. Modern transistors for CFP output for preamp
  220. the NFB and the time lag in L.F. and H.F.
  221. VAS, the stage that makes or breaks audio nirvana??
  222. Leach amp problem
  223. Charge pumps as power supplies
  224. Exposure model 8 output transistors
  225. Cascode and phaseshift relation
  226. Amplifier NPN+PNP Transistors Tester Circuit
  227. marantz pm7200 preamplifer
  228. Sub-woofer high level input
  229. SE Class-A developing
  230. Interesting crossover question
  231. Two preamp swithceroo. Suggestions?
  232. Crown IC-150A POOGE
  233. Help with upgrades to integrated amp
  234. NAD 7225PE schematic wanted
  235. mismatch in bridging 2 channels
  236. Quad 405: Bernd Ludwig's new Mod text
  237. My amp only works after a while, or when turned up loud.
  238. Suggestions for a preamplifier kit
  239. DC Offset Problem with Micromega Amp
  240. Lead or Lag compensation??
  241. Proton AP-1000
  242. TO-3 Bipolar Output Transistors
  243. power supply for techno amp
  244. Destroyer x Amplifier...Dx amp...my amplifier
  245. 3kva transformer in uk
  246. Supply depended oscillation
  247. Replacement caps
  248. NAD 7000 Output
  249. Post your Solid State pics here.
  250. Resistor values in feedback loop/voltage divider???

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