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  1. odd harmonics?
  2. Loewe Opta
  3. Pre amp voltage regulators help.
  4. Does anyone actually own that PC mainboard advertised in EW that had tubes on it!
  5. Quad 405 Spice Model
  6. <Continue>Help me to save the Crest FA1201
  7. Help me to save the Crest FA1201
  8. DC300A power switch wanted ??
  9. Need Help and opinion on a circuit
  10. Op Amp Book.
  11. Help
  12. Boras Legend 4 Mosfet Amp
  13. Troubleshooting bass amp
  14. AB-dynamic
  15. Loudspeaker Amp schematic needed
  16. Found Some 2SC367 Metal Can Toshiba Transistors...Any Info or uses for them
  17. repair a relay
  18. Yamaha C-50 service manual
  19. Yamaha A-720 ampflifier servise manual
  20. class a amplifier opinion
  21. Fixing / Trouble shooting Cyrus SmartPower
  22. Yamaha AX-900U
  23. My new mini Class A amp.
  24. Amplifier Testing
  25. Hiraga 30w PSU
  26. Arcam Alpha 5 prob
  27. Gary Pimm's MOSFET CCS
  28. Soundcraftsmen Repair in Southern CA
  29. BAT VK schematic needed
  30. Nad 2400
  31. Ground loop only when both channels connected
  32. Quadraflex Reference 650fet R service manual
  33. 25w amp
  34. Another feedback compensation method
  35. Freon cooling an amp?
  36. Which circiut is better?
  37. capacitor question
  38. best load gainclone?
  39. mosfet opinion?
  40. VIntage JVC 4-channel equipment
  41. Upgrading a Carver M200t/M400t
  42. Hafler 9500 Power Switch
  43. Rotel rb970bx mk11 dead
  44. personal jobs
  45. A cooling Primer?
  46. Looking for Perreaux SXV1 schematic
  47. Cyrus 2 Resistors
  48. RC Volume control for a lateral MOS AMP..
  49. Marantz 250 schematic needed
  50. Floating supply in battery powered discreet preamp
  51. PCB for JLH amp
  52. 10 watt Simple Power Amp
  53. Rotel RX950 with humming noise
  54. Hi Fi Plan
  55. Soft start + switch on PCB
  56. PLS-226 Schematic
  57. Rotel RX-830
  58. LCR EQ questions
  59. more info about "Voxson"
  60. Sourcing Genuine Toshibas in USA
  61. A09 class A pionner
  62. Toroid Transformer for Hafler DH-200
  63. passive preamp
  64. Sansui TU-9900 Restoration and Mods
  65. humming Harman Kardon 330B
  66. Sony TA-AV670 amp repair
  67. Schematic 500w
  68. Opinions from amplifier analysers on these amp circuits
  69. auditek speakers chip amps
  70. Bias Monitoring of Separate Heatsinks
  71. Differential transistor input stage
  72. Connecting OSCONs in series for high voltage.
  73. difference of 1st stage
  74. PCB hiraga 20w
  75. QSC designs
  76. BJTs for VAS Stages
  77. tweaking a class AB amp
  78. How much amplifier power do I need
  79. A cirucit to put Carlos anti-blameless stance to permanent rest.
  80. Ayre MX-R "Uma"
  81. NAD 2200 power supplay help needed
  82. Searching for high hfe, low noise and cob PNP BJT
  83. A SAP15 based power amp
  84. Cleaning Those Female (+) R.C.A. Jacks
  85. Pi filter for Class AB amplifier, feedback please
  86. philips FA-951
  87. Phase Linear 700B Series II -Right channel out-
  88. Grounding questions
  89. thomann pa amp
  90. CRC power amp supply
  91. Any suggestion about YBA model INTEGRE DELTA DT
  92. Amp power calculations into different phase angles
  93. Harmon Kardon HK6100
  94. hum problem in NAD 3020 (help wanted)
  95. For 35A rectifiers, what is maximum without heatsink
  96. Mod - Upgrading opamps in a yamaha av receiver
  97. Upgrading Power Supply in QUAD 606 Mk2
  98. Data needed for an STK350-530 SIP IC
  99. Integrating Baffle step into Cyrus 2 feedback circuit.
  100. Yamaha DSP-E390 schematic
  101. Hum in phono circuit
  102. Keeps frying diodes
  103. Looking for Scott 480A schematics
  104. Quadral PA 03 Phonologue
  105. John Linsley Hood RIAA Preamp?
  106. amp question basic rec
  107. Tip33.....anyone got a schem.
  108. Using bipolar opamps
  109. Building an HT Amp-paralleling output devices?
  110. Amp info ????
  111. cyrus one - on/off power button
  112. Audio Research output transistors
  113. Owners manual needed, MUSE MODEL ONE
  114. Please Help! Harman Kardon HK775, problems
  115. Direct coupled Amp causing me grief...
  116. Electrocompaniet Mains Voltage conversion
  117. dc output control loop
  118. base-emitter voltage
  119. IRFP450 Replacements?
  120. How to set the bias of a FET output stage?
  121. Opamp upgrades
  122. NAD 7020 , small problem...
  123. Sansui AU-317 schematic
  124. Help!very Powerful Amp Needed!
  125. YBA integre output transistors
  126. here links diy schemas
  127. SPICE model of Dirty Harry
  128. Tripath Head Amps ?
  129. link to diycircuits
  130. naim information
  131. Lightspeed Tone Control...
  132. Test Amp - Construction Method
  133. What amp should I build?
  134. Power Amplifier Output Topologies
  135. hk citation twelve stock or mosfet version to drive original quad esl's ?
  136. p3a amp
  137. NAD C370 Diagnosis and repair help
  138. diy helppppp
  139. nad 3020 fried resistors
  140. Hummm...
  141. Testing the module AV400
  142. NAC 82 Schematic and Photos
  143. citation 12 hum und bias difficulties to adjust
  144. found a Technics SA-8100X
  145. Can you help me choose capacitors for my amplifier restoration project?
  146. If you put new output transsistors, class A/B, will tou match them?
  147. Plate Amp power cutout
  148. How to use P- and N-channel Mosfet as switches
  149. Harmon Kardon PM 640 amplifier
  150. Kantishna MK III, experimental MOSFET AMP
  151. Opamp PSRR
  152. +-70V amp needed
  153. noise level hearing evaluation
  154. Why no Pre-amplifier forum?
  155. Noob Question: What is a volume buffer?
  156. bora's legend 8 legend 4
  157. buffer ics: comparisons / experiences ?
  158. Simple balanced driver circuit.
  159. Possible upgrade for Sanken Darlingtons
  160. Fotios's microphone amplifier
  161. AKAI VS422 schematics
  162. Cascoded LTP input stages
  163. Building a new Amp
  164. Part Spec Help! (possible 2n4484)
  165. Nad 2240pe
  166. Samson F800 Audio Amplifier Problem
  167. Preamp
  168. Amp oscillation
  169. A powerFULL amplifier named Dirty Harry
  170. Just how good is the PIMETA?
  171. A circuit model for a microphone?
  172. IGBT amplifiers
  173. layout rules
  174. Advice on fixing an old amp that has just stopped working
  175. "reference" level preamplifier
  176. LM4562 vs TL072 and NE5532 ..impossible ?
  177. Why haven't some of you actually started small companies?
  178. Do transistors deteriorate?
  179. ampli for Martin Logan Quest Z
  180. Marantz PM44SE - Dead(ish) right channel
  181. Amcron (Crown) Micro-Tech 1200 help
  182. nakamichi amplifier 1
  183. My Audio Dynamics/ADC amp needs help!
  184. Dead Adcom GFA-555II
  185. Variac
  186. trouble with Denon POA 2800 amp - Anatech rsvp
  187. Marantz PM 7200 problem?
  188. Mjl3281 Soar
  189. Battery vs Conventional PSUs
  190. Which is the better power supply for a preamplifier?
  191. Wow!!! A wonderful preamplifier module!
  192. Aussie Amplifier AV 400
  193. hafler and adcom
  194. QUAD 606 Mk2 Power amp PROBLEMS
  195. Microphone "whistel" canceler schematic need!
  196. sansui Intergrated Amp SU-7900
  197. Audio Amplifier protections
  198. thanks BORA !!!!
  199. Safe to run IRF540 on +-42V?
  200. Power Amplifier Clipping Indicator
  201. Differences in Mosfet P and N channel Vgs
  202. Yamaha M-80 Schematics
  203. krell 300i schematic please or photos
  204. Best sounding analog switch IC for input source selector
  205. Ak4527vq
  206. Ge transistors
  207. hybrid amp,split ouput
  208. resistors and capacitor which one have the best sound ???
  209. DIY 200w amp
  210. Samson Servo 260 problems
  211. VSP LABS Trans Mos Amplifier
  212. cyrus3 experts
  213. Rail Switching vs. "predictive" rail switching
  214. Proposed P.C. based spectrum analysers
  215. How come chokes arent common with SS psu?
  216. Loud POP 555mkII moderate volume.
  217. critique my amp design please
  218. What to build with +/-65V?
  219. Aleph P1.7 "the design starts here"
  220. SAE A502 Keeps smoking protection transistors
  221. How about shunt regulatorH
  222. 1500 Watt
  223. audio research d400
  224. volume pot
  225. eti-480 help
  226. Suggested line level stage.
  227. How much should be it the Zin of a Power Amplifier?
  228. Rail switching amplifiers and supply voltage levels
  229. Leak stereo 70 fault
  230. Roksan Kandy mkIII Tweaks????
  231. ac cord
  232. A Dummy Load different from the usual
  233. Amplifier for 1-ohm ribbons?
  234. who knows this transistor?
  235. parasound input conversion
  236. HELP! Carver PM-1200 MANUAL/SCHEMATIC
  237. NAD 302 Improvements
  238. Current sink, anyone studied lowest noise?
  239. ExtremA, class-A strikes back?
  240. Bias control problem with n-channel amplifier (Anthony E. Holton)
  241. Best ground connection
  242. Symasym - Roender Style
  243. leach amp parts to-3
  244. detailed block diagram of Sony CXD1135Q
  245. Simple pre-amp schematic needed
  246. Need a krell 300i amp schematic
  247. The first half of my 69JLH works!!
  248. I wang to do it:uhc mos amplifier
  249. How to test mosfet?
  250. Newbie voltage regulator question

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