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  1. Naim Nap 110 info request
  2. need critique, Mic pre amp
  3. DH 220 trouble
  4. DIY amp for bi-amped 2-way horns?
  5. odd harmonics?
  6. Loewe Opta
  7. Pre amp voltage regulators help.
  8. Does anyone actually own that PC mainboard advertised in EW that had tubes on it!
  9. Quad 405 Spice Model
  10. <Continue>Help me to save the Crest FA1201
  11. Help me to save the Crest FA1201
  12. DC300A power switch wanted ??
  13. Need Help and opinion on a circuit
  14. Op Amp Book.
  15. Help
  16. Boras Legend 4 Mosfet Amp
  17. Troubleshooting bass amp
  18. AB-dynamic
  19. Loudspeaker Amp schematic needed
  20. Found Some 2SC367 Metal Can Toshiba Transistors...Any Info or uses for them
  21. repair a relay
  22. Yamaha C-50 service manual
  23. Yamaha A-720 ampflifier servise manual
  24. class a amplifier opinion
  25. Fixing / Trouble shooting Cyrus SmartPower
  26. Yamaha AX-900U
  27. My new mini Class A amp.
  28. Amplifier Testing
  29. Hiraga 30w PSU
  30. Arcam Alpha 5 prob
  31. Gary Pimm's MOSFET CCS
  32. Soundcraftsmen Repair in Southern CA
  33. BAT VK schematic needed
  34. Nad 2400
  35. Ground loop only when both channels connected
  36. Quadraflex Reference 650fet R service manual
  37. peavey cs 800
  38. 25w amp
  39. Another feedback compensation method
  40. Freon cooling an amp?
  41. Which circiut is better?
  42. capacitor question
  43. best load gainclone?
  44. mosfet opinion?
  45. VIntage JVC 4-channel equipment
  46. Upgrading a Carver M200t/M400t
  47. Hafler 9500 Power Switch
  48. Rotel rb970bx mk11 dead
  49. personal jobs
  50. A cooling Primer?
  51. Looking for Perreaux SXV1 schematic
  52. Cyrus 2 Resistors
  53. RC Volume control for a lateral MOS AMP..
  54. Marantz 250 schematic needed
  55. Floating supply in battery powered discreet preamp
  56. PCB for JLH amp
  57. 10 watt Simple Power Amp
  58. Rotel RX950 with humming noise
  59. Hi Fi Plan
  60. Soft start + switch on PCB
  61. PLS-226 Schematic
  62. Rotel RX-830
  63. LCR EQ questions
  64. more info about "Voxson"
  65. Sourcing Genuine Toshibas in USA
  66. A09 class A pionner
  67. Peavey pv2000 power amp
  68. Toroid Transformer for Hafler DH-200
  69. passive preamp
  70. Sansui TU-9900 Restoration and Mods
  71. humming Harman Kardon 330B
  72. Sony TA-AV670 amp repair
  73. Schematic 500w
  74. Opinions from amplifier analysers on these amp circuits
  75. auditek speakers chip amps
  76. Bias Monitoring of Separate Heatsinks
  77. Differential transistor input stage
  78. Connecting OSCONs in series for high voltage.
  79. difference of 1st stage
  80. PCB hiraga 20w
  81. QSC designs
  82. Modifying a commercial amp (Peavey CS-800-B)
  83. BJTs for VAS Stages
  84. tweaking a class AB amp
  85. How much amplifier power do I need
  86. A cirucit to put Carlos anti-blameless stance to permanent rest.
  87. Ayre MX-R "Uma"
  88. NAD 2200 power supplay help needed
  89. Searching for high hfe, low noise and cob PNP BJT
  90. A SAP15 based power amp
  91. Cleaning Those Female (+) R.C.A. Jacks
  92. Pi filter for Class AB amplifier, feedback please
  93. philips FA-951
  94. Phase Linear 700B Series II -Right channel out-
  95. Grounding questions
  96. thomann pa amp
  97. CRC power amp supply
  98. Any suggestion about YBA model INTEGRE DELTA DT
  99. Amp power calculations into different phase angles
  100. Harmon Kardon HK6100
  101. hum problem in NAD 3020 (help wanted)
  102. For 35A rectifiers, what is maximum without heatsink
  103. Mod - Upgrading opamps in a yamaha av receiver
  104. Upgrading Power Supply in QUAD 606 Mk2
  105. Data needed for an STK350-530 SIP IC
  106. Integrating Baffle step into Cyrus 2 feedback circuit.
  107. Yamaha DSP-E390 schematic
  108. Hum in phono circuit
  109. Keeps frying diodes
  110. Looking for Scott 480A schematics
  111. Quadral PA 03 Phonologue
  112. John Linsley Hood RIAA Preamp?
  113. amp question basic rec
  114. Tip33.....anyone got a schem.
  115. Using bipolar opamps
  116. Building an HT Amp-paralleling output devices?
  117. Amp info ????
  118. cyrus one - on/off power button
  119. Audio Research output transistors
  120. Owners manual needed, MUSE MODEL ONE
  121. Please Help! Harman Kardon HK775, problems
  122. Direct coupled Amp causing me grief...
  123. Electrocompaniet Mains Voltage conversion
  124. dc output control loop
  125. base-emitter voltage
  126. IRFP450 Replacements?
  127. How to set the bias of a FET output stage?
  128. Opamp upgrades
  129. NAD 7020 , small problem...
  130. Sansui AU-317 schematic
  131. Help!very Powerful Amp Needed!
  132. YBA integre output transistors
  133. here links diy schemas
  134. SPICE model of Dirty Harry
  135. Tripath Head Amps ?
  136. JLH Guitar Amp
  137. link to diycircuits
  138. naim information
  139. Lightspeed Tone Control...
  140. Test Amp - Construction Method
  141. What amp should I build?
  142. Power Amplifier Output Topologies
  143. hk citation twelve stock or mosfet version to drive original quad esl's ?
  144. p3a amp
  145. NAD C370 Diagnosis and repair help
  146. diy helppppp
  147. nad 3020 fried resistors
  148. Hummm...
  149. Testing the module AV400
  150. NAC 82 Schematic and Photos
  151. citation 12 hum und bias difficulties to adjust
  152. found a Technics SA-8100X
  153. Can you help me choose capacitors for my amplifier restoration project?
  154. If you put new output transsistors, class A/B, will tou match them?
  155. Plate Amp power cutout
  156. How to use P- and N-channel Mosfet as switches
  157. Harmon Kardon PM 640 amplifier
  158. Kantishna MK III, experimental MOSFET AMP
  159. Opamp PSRR
  160. +-70V amp needed
  161. noise level hearing evaluation
  162. Why no Pre-amplifier forum?
  163. Noob Question: What is a volume buffer?
  164. bora's legend 8 legend 4
  165. buffer ics: comparisons / experiences ?
  166. Simple balanced driver circuit.
  167. Possible upgrade for Sanken Darlingtons
  168. Fotios's microphone amplifier
  169. AKAI VS422 schematics
  170. Cascoded LTP input stages
  171. Building a new Amp
  172. Part Spec Help! (possible 2n4484)
  173. Nad 2240pe
  174. Samson F800 Audio Amplifier Problem
  175. Preamp
  176. Amp oscillation
  177. A powerFULL amplifier named Dirty Harry
  178. Just how good is the PIMETA?
  179. A circuit model for a microphone?
  180. IGBT amplifiers
  181. layout rules
  182. Advice on fixing an old amp that has just stopped working
  183. "reference" level preamplifier
  184. LM4562 vs TL072 and NE5532 ..impossible ?
  185. Why haven't some of you actually started small companies?
  186. Do transistors deteriorate?
  187. ampli for Martin Logan Quest Z
  188. Marantz PM44SE - Dead(ish) right channel
  189. Amcron (Crown) Micro-Tech 1200 help
  190. nakamichi amplifier 1
  191. My Audio Dynamics/ADC amp needs help!
  192. Dead Adcom GFA-555II
  193. Variac
  194. trouble with Denon POA 2800 amp - Anatech rsvp
  195. Marantz PM 7200 problem?
  196. Mjl3281 Soar
  197. Battery vs Conventional PSUs
  198. Which is the better power supply for a preamplifier?
  199. Wow!!! A wonderful preamplifier module!
  200. Aussie Amplifier AV 400
  201. hafler and adcom
  202. QUAD 606 Mk2 Power amp PROBLEMS
  203. Microphone "whistel" canceler schematic need!
  204. sansui Intergrated Amp SU-7900
  205. Audio Amplifier protections
  206. thanks BORA !!!!
  207. Safe to run IRF540 on +-42V?
  208. Power Amplifier Clipping Indicator
  209. Differences in Mosfet P and N channel Vgs
  210. Yamaha M-80 Schematics
  211. krell 300i schematic please or photos
  212. Best sounding analog switch IC for input source selector
  213. Ak4527vq
  214. Ge transistors
  215. hybrid amp,split ouput
  216. resistors and capacitor which one have the best sound ???
  217. DIY 200w amp
  218. Samson Servo 260 problems
  219. VSP LABS Trans Mos Amplifier
  220. cyrus3 experts
  221. Rail Switching vs. "predictive" rail switching
  222. Gallien-Krueger 2100 SEL - need two Mosfet transistors - advice?
  223. Proposed P.C. based spectrum analysers
  224. Behringer A500 power amp problem, please help?
  225. How come chokes arent common with SS psu?
  226. Loud POP 555mkII moderate volume.
  227. critique my amp design please
  228. What to build with +/-65V?
  229. Aleph P1.7 "the design starts here"
  230. SAE A502 Keeps smoking protection transistors
  231. How about shunt regulatorH
  232. 1500 Watt
  233. audio research d400
  234. volume pot
  235. eti-480 help
  236. Suggested line level stage.
  237. How much should be it the Zin of a Power Amplifier?
  238. Rail switching amplifiers and supply voltage levels
  239. Leak stereo 70 fault
  240. Roksan Kandy mkIII Tweaks????
  241. ac cord
  242. A Dummy Load different from the usual
  243. Amplifier for 1-ohm ribbons?
  244. who knows this transistor?
  245. parasound input conversion
  246. HELP! Carver PM-1200 MANUAL/SCHEMATIC
  247. NAD 302 Improvements
  248. Current sink, anyone studied lowest noise?
  249. ExtremA, class-A strikes back?
  250. Bias control problem with n-channel amplifier (Anthony E. Holton)

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