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  1. PLS-226 Schematic
  2. Rotel RX-830
  3. LCR EQ questions
  4. more info about "Voxson"
  5. Sourcing Genuine Toshibas in USA
  6. A09 class A pionner
  7. Toroid Transformer for Hafler DH-200
  8. passive preamp
  9. Sansui TU-9900 Restoration and Mods
  10. humming Harman Kardon 330B
  11. Sony TA-AV670 amp repair
  12. Schematic 500w
  13. Opinions from amplifier analysers on these amp circuits
  14. auditek speakers chip amps
  15. Bias Monitoring of Separate Heatsinks
  16. Differential transistor input stage
  17. Connecting OSCONs in series for high voltage.
  18. difference of 1st stage
  19. PCB hiraga 20w
  20. QSC designs
  21. BJTs for VAS Stages
  22. tweaking a class AB amp
  23. How much amplifier power do I need
  24. A cirucit to put Carlos anti-blameless stance to permanent rest.
  25. Ayre MX-R "Uma"
  26. NAD 2200 power supplay help needed
  27. Searching for high hfe, low noise and cob PNP BJT
  28. A SAP15 based power amp
  29. Cleaning Those Female (+) R.C.A. Jacks
  30. Pi filter for Class AB amplifier, feedback please
  31. philips FA-951
  32. Phase Linear 700B Series II -Right channel out-
  33. Grounding questions
  34. thomann pa amp
  35. CRC power amp supply
  36. Any suggestion about YBA model INTEGRE DELTA DT
  37. Amp power calculations into different phase angles
  38. Harmon Kardon HK6100
  39. hum problem in NAD 3020 (help wanted)
  40. For 35A rectifiers, what is maximum without heatsink
  41. Mod - Upgrading opamps in a yamaha av receiver
  42. Upgrading Power Supply in QUAD 606 Mk2
  43. Data needed for an STK350-530 SIP IC
  44. Integrating Baffle step into Cyrus 2 feedback circuit.
  45. Yamaha DSP-E390 schematic
  46. Hum in phono circuit
  47. Keeps frying diodes
  48. Looking for Scott 480A schematics
  49. Quadral PA 03 Phonologue
  50. John Linsley Hood RIAA Preamp?
  51. amp question basic rec
  52. Tip33.....anyone got a schem.
  53. Using bipolar opamps
  54. Building an HT Amp-paralleling output devices?
  55. Amp info ????
  56. cyrus one - on/off power button
  57. Audio Research output transistors
  58. Owners manual needed, MUSE MODEL ONE
  59. Please Help! Harman Kardon HK775, problems
  60. Direct coupled Amp causing me grief...
  61. Electrocompaniet Mains Voltage conversion
  62. dc output control loop
  63. base-emitter voltage
  64. IRFP450 Replacements?
  65. How to set the bias of a FET output stage?
  66. Opamp upgrades
  67. NAD 7020 , small problem...
  68. Sansui AU-317 schematic
  69. Help!very Powerful Amp Needed!
  70. YBA integre output transistors
  71. here links diy schemas
  72. SPICE model of Dirty Harry
  73. Tripath Head Amps ?
  74. link to diycircuits
  75. naim information
  76. Lightspeed Tone Control...
  77. Test Amp - Construction Method
  78. What amp should I build?
  79. Power Amplifier Output Topologies
  80. hk citation twelve stock or mosfet version to drive original quad esl's ?
  81. p3a amp
  82. NAD C370 Diagnosis and repair help
  83. diy helppppp
  84. nad 3020 fried resistors
  85. Hummm...
  86. Testing the module AV400
  87. NAC 82 Schematic and Photos
  88. citation 12 hum und bias difficulties to adjust
  89. found a Technics SA-8100X
  90. Can you help me choose capacitors for my amplifier restoration project?
  91. If you put new output transsistors, class A/B, will tou match them?
  92. Plate Amp power cutout
  93. How to use P- and N-channel Mosfet as switches
  94. Harmon Kardon PM 640 amplifier
  95. Kantishna MK III, experimental MOSFET AMP
  96. Opamp PSRR
  97. +-70V amp needed
  98. noise level hearing evaluation
  99. Why no Pre-amplifier forum?
  100. Noob Question: What is a volume buffer?
  101. bora's legend 8 legend 4
  102. buffer ics: comparisons / experiences ?
  103. Simple balanced driver circuit.
  104. Possible upgrade for Sanken Darlingtons
  105. Fotios's microphone amplifier
  106. AKAI VS422 schematics
  107. Cascoded LTP input stages
  108. Building a new Amp
  109. Part Spec Help! (possible 2n4484)
  110. Nad 2240pe
  111. Samson F800 Audio Amplifier Problem
  112. Preamp
  113. Amp oscillation
  114. A powerFULL amplifier named Dirty Harry
  115. Just how good is the PIMETA?
  116. A circuit model for a microphone?
  117. IGBT amplifiers
  118. layout rules
  119. Advice on fixing an old amp that has just stopped working
  120. "reference" level preamplifier
  121. LM4562 vs TL072 and NE5532 ..impossible ?
  122. Why haven't some of you actually started small companies?
  123. Do transistors deteriorate?
  124. ampli for Martin Logan Quest Z
  125. Marantz PM44SE - Dead(ish) right channel
  126. Amcron (Crown) Micro-Tech 1200 help
  127. nakamichi amplifier 1
  128. My Audio Dynamics/ADC amp needs help!
  129. Dead Adcom GFA-555II
  130. Variac
  131. trouble with Denon POA 2800 amp - Anatech rsvp
  132. Marantz PM 7200 problem?
  133. Mjl3281 Soar
  134. Battery vs Conventional PSUs
  135. Which is the better power supply for a preamplifier?
  136. Wow!!! A wonderful preamplifier module!
  137. Aussie Amplifier AV 400
  138. hafler and adcom
  139. QUAD 606 Mk2 Power amp PROBLEMS
  140. Microphone "whistel" canceler schematic need!
  141. sansui Intergrated Amp SU-7900
  142. Audio Amplifier protections
  143. thanks BORA !!!!
  144. Safe to run IRF540 on +-42V?
  145. Power Amplifier Clipping Indicator
  146. Differences in Mosfet P and N channel Vgs
  147. Yamaha M-80 Schematics
  148. krell 300i schematic please or photos
  149. Best sounding analog switch IC for input source selector
  150. Ak4527vq
  151. Ge transistors
  152. hybrid amp,split ouput
  153. resistors and capacitor which one have the best sound ???
  154. DIY 200w amp
  155. Samson Servo 260 problems
  156. VSP LABS Trans Mos Amplifier
  157. cyrus3 experts
  158. Rail Switching vs. "predictive" rail switching
  159. Proposed P.C. based spectrum analysers
  160. How come chokes arent common with SS psu?
  161. Loud POP 555mkII moderate volume.
  162. critique my amp design please
  163. What to build with +/-65V?
  164. Aleph P1.7 "the design starts here"
  165. SAE A502 Keeps smoking protection transistors
  166. How about shunt regulatorH
  167. 1500 Watt
  168. audio research d400
  169. volume pot
  170. eti-480 help
  171. Suggested line level stage.
  172. How much should be it the Zin of a Power Amplifier?
  173. Rail switching amplifiers and supply voltage levels
  174. Leak stereo 70 fault
  175. Roksan Kandy mkIII Tweaks????
  176. ac cord
  177. A Dummy Load different from the usual
  178. Amplifier for 1-ohm ribbons?
  179. who knows this transistor?
  180. parasound input conversion
  181. HELP! Carver PM-1200 MANUAL/SCHEMATIC
  182. NAD 302 Improvements
  183. Current sink, anyone studied lowest noise?
  184. ExtremA, class-A strikes back?
  185. Bias control problem with n-channel amplifier (Anthony E. Holton)
  186. Best ground connection
  187. Symasym - Roender Style
  188. leach amp parts to-3
  189. detailed block diagram of Sony CXD1135Q
  190. Simple pre-amp schematic needed
  191. Need a krell 300i amp schematic
  192. The first half of my 69JLH works!!
  193. I wang to do it:uhc mos amplifier
  194. How to test mosfet?
  195. Newbie voltage regulator question
  196. problem with preamplifier simulation
  197. Suppier of MJL21193/4 trannies in Australia?
  198. Zobel Network Corrections
  199. Zhalou P1 Audio Power Amplifier
  200. Should I call this pre-amp+ PDB a "SPLIF" Amp?
  201. My 1st order butterworth filter better than 4th order L-R: Why?
  202. counterpoint sa100 headaches
  203. Trace Elliot TA100R - schematics needed
  204. Parasound HCA1500A amp schematic
  205. What is nested feedback, how it realy works and some examples...
  206. EXPOSURE X Integrated Amp Help
  207. Akai AA-1030 schematic?
  208. Carver C-1 Preamp Power Switch
  209. Replacing IGBTs with BJTs in Elektor IGBT design!
  210. Open loop bandwidth in op-amp.
  211. DIY NAim amplifier
  212. setting bias for power FETs?
  213. Modern transistors for CFP output for preamp
  214. the NFB and the time lag in L.F. and H.F.
  215. VAS, the stage that makes or breaks audio nirvana??
  216. Leach amp problem
  217. Charge pumps as power supplies
  218. Exposure model 8 output transistors
  219. Cascode and phaseshift relation
  220. Amplifier NPN+PNP Transistors Tester Circuit
  221. marantz pm7200 preamplifer
  222. Sub-woofer high level input
  223. SE Class-A developing
  224. Interesting crossover question
  225. Two preamp swithceroo. Suggestions?
  226. Crown IC-150A POOGE
  227. Help with upgrades to integrated amp
  228. NAD 7225PE schematic wanted
  229. mismatch in bridging 2 channels
  230. Quad 405: Bernd Ludwig's new Mod text
  231. My amp only works after a while, or when turned up loud.
  232. Suggestions for a preamplifier kit
  233. DC Offset Problem with Micromega Amp
  234. Lead or Lag compensation??
  235. Proton AP-1000
  236. TO-3 Bipolar Output Transistors
  237. power supply for techno amp
  238. Destroyer x Amplifier...Dx amp...my amplifier
  239. 3kva transformer in uk
  240. Supply depended oscillation
  241. Replacement caps
  242. NAD 7000 Output
  243. Post your Solid State pics here.
  244. Resistor values in feedback loop/voltage divider???
  245. Connecting Virtual Ground Circuits with True Ground circuits??
  246. Hum problems with my MOS amp
  247. Krell KAV 250a deader than a dodo
  248. Sub plate amp hum/crackle
  249. Need Cambridge A500 help
  250. Marantz M250 schematic needed

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