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  1. Modifying a commercial amp (Peavey CS-800-B)
  2. BJTs for VAS Stages
  3. tweaking a class AB amp
  4. How much amplifier power do I need
  5. A cirucit to put Carlos anti-blameless stance to permanent rest.
  6. Ayre MX-R "Uma"
  7. NAD 2200 power supplay help needed
  8. Searching for high hfe, low noise and cob PNP BJT
  9. A SAP15 based power amp
  10. Cleaning Those Female (+) R.C.A. Jacks
  11. Pi filter for Class AB amplifier, feedback please
  12. philips FA-951
  13. Phase Linear 700B Series II -Right channel out-
  14. Grounding questions
  15. thomann pa amp
  16. CRC power amp supply
  17. Any suggestion about YBA model INTEGRE DELTA DT
  18. Amp power calculations into different phase angles
  19. Harmon Kardon HK6100
  20. hum problem in NAD 3020 (help wanted)
  21. For 35A rectifiers, what is maximum without heatsink
  22. Mod - Upgrading opamps in a yamaha av receiver
  23. Upgrading Power Supply in QUAD 606 Mk2
  24. Data needed for an STK350-530 SIP IC
  25. Integrating Baffle step into Cyrus 2 feedback circuit.
  26. Yamaha DSP-E390 schematic
  27. Hum in phono circuit
  28. Keeps frying diodes
  29. Looking for Scott 480A schematics
  30. Quadral PA 03 Phonologue
  31. John Linsley Hood RIAA Preamp?
  32. amp question basic rec
  33. Tip33.....anyone got a schem.
  34. Using bipolar opamps
  35. Building an HT Amp-paralleling output devices?
  36. Amp info ????
  37. cyrus one - on/off power button
  38. Audio Research output transistors
  39. Owners manual needed, MUSE MODEL ONE
  40. Please Help! Harman Kardon HK775, problems
  41. Direct coupled Amp causing me grief...
  42. Electrocompaniet Mains Voltage conversion
  43. dc output control loop
  44. base-emitter voltage
  45. IRFP450 Replacements?
  46. How to set the bias of a FET output stage?
  47. Opamp upgrades
  48. NAD 7020 , small problem...
  49. Sansui AU-317 schematic
  50. Help!very Powerful Amp Needed!
  51. YBA integre output transistors
  52. here links diy schemas
  53. SPICE model of Dirty Harry
  54. Tripath Head Amps ?
  55. JLH Guitar Amp
  56. link to diycircuits
  57. naim information
  58. Lightspeed Tone Control...
  59. Test Amp - Construction Method
  60. What amp should I build?
  61. Power Amplifier Output Topologies
  62. hk citation twelve stock or mosfet version to drive original quad esl's ?
  63. p3a amp
  64. NAD C370 Diagnosis and repair help
  65. diy helppppp
  66. nad 3020 fried resistors
  67. Hummm...
  68. Testing the module AV400
  69. NAC 82 Schematic and Photos
  70. citation 12 hum und bias difficulties to adjust
  71. found a Technics SA-8100X
  72. Can you help me choose capacitors for my amplifier restoration project?
  73. If you put new output transsistors, class A/B, will tou match them?
  74. Plate Amp power cutout
  75. How to use P- and N-channel Mosfet as switches
  76. Harmon Kardon PM 640 amplifier
  77. Kantishna MK III, experimental MOSFET AMP
  78. Opamp PSRR
  79. +-70V amp needed
  80. noise level hearing evaluation
  81. Why no Pre-amplifier forum?
  82. Noob Question: What is a volume buffer?
  83. bora's legend 8 legend 4
  84. buffer ics: comparisons / experiences ?
  85. Simple balanced driver circuit.
  86. Possible upgrade for Sanken Darlingtons
  87. Fotios's microphone amplifier
  88. AKAI VS422 schematics
  89. Cascoded LTP input stages
  90. Building a new Amp
  91. Part Spec Help! (possible 2n4484)
  92. Nad 2240pe
  93. Samson F800 Audio Amplifier Problem
  94. Preamp
  95. Amp oscillation
  96. A powerFULL amplifier named Dirty Harry
  97. Just how good is the PIMETA?
  98. A circuit model for a microphone?
  99. IGBT amplifiers
  100. layout rules
  101. Advice on fixing an old amp that has just stopped working
  102. "reference" level preamplifier
  103. LM4562 vs TL072 and NE5532 ..impossible ?
  104. Why haven't some of you actually started small companies?
  105. Do transistors deteriorate?
  106. ampli for Martin Logan Quest Z
  107. Marantz PM44SE - Dead(ish) right channel
  108. Amcron (Crown) Micro-Tech 1200 help
  109. nakamichi amplifier 1
  110. My Audio Dynamics/ADC amp needs help!
  111. Dead Adcom GFA-555II
  112. Variac
  113. trouble with Denon POA 2800 amp - Anatech rsvp
  114. Marantz PM 7200 problem?
  115. Mjl3281 Soar
  116. Battery vs Conventional PSUs
  117. Which is the better power supply for a preamplifier?
  118. Wow!!! A wonderful preamplifier module!
  119. Aussie Amplifier AV 400
  120. hafler and adcom
  121. QUAD 606 Mk2 Power amp PROBLEMS
  122. Microphone "whistel" canceler schematic need!
  123. sansui Intergrated Amp SU-7900
  124. Audio Amplifier protections
  125. thanks BORA !!!!
  126. Safe to run IRF540 on +-42V?
  127. Power Amplifier Clipping Indicator
  128. Differences in Mosfet P and N channel Vgs
  129. Yamaha M-80 Schematics
  130. krell 300i schematic please or photos
  131. Best sounding analog switch IC for input source selector
  132. Ak4527vq
  133. Ge transistors
  134. hybrid amp,split ouput
  135. resistors and capacitor which one have the best sound ???
  136. DIY 200w amp
  137. Samson Servo 260 problems
  138. VSP LABS Trans Mos Amplifier
  139. cyrus3 experts
  140. Rail Switching vs. "predictive" rail switching
  141. Gallien-Krueger 2100 SEL - need two Mosfet transistors - advice?
  142. Proposed P.C. based spectrum analysers
  143. Behringer A500 power amp problem, please help?
  144. How come chokes arent common with SS psu?
  145. Loud POP 555mkII moderate volume.
  146. critique my amp design please
  147. What to build with +/-65V?
  148. Aleph P1.7 "the design starts here"
  149. SAE A502 Keeps smoking protection transistors
  150. How about shunt regulatorH
  151. 1500 Watt
  152. audio research d400
  153. volume pot
  154. eti-480 help
  155. Suggested line level stage.
  156. How much should be it the Zin of a Power Amplifier?
  157. Rail switching amplifiers and supply voltage levels
  158. Leak stereo 70 fault
  159. Roksan Kandy mkIII Tweaks????
  160. ac cord
  161. A Dummy Load different from the usual
  162. Amplifier for 1-ohm ribbons?
  163. who knows this transistor?
  164. parasound input conversion
  165. HELP! Carver PM-1200 MANUAL/SCHEMATIC
  166. NAD 302 Improvements
  167. Current sink, anyone studied lowest noise?
  168. ExtremA, class-A strikes back?
  169. Bias control problem with n-channel amplifier (Anthony E. Holton)
  170. Best ground connection
  171. Symasym - Roender Style
  172. leach amp parts to-3
  173. detailed block diagram of Sony CXD1135Q
  174. Simple pre-amp schematic needed
  175. Need a krell 300i amp schematic
  176. The first half of my 69JLH works!!
  177. I wang to do it:uhc mos amplifier
  178. How to test mosfet?
  179. Newbie voltage regulator question
  180. problem with preamplifier simulation
  181. Suppier of MJL21193/4 trannies in Australia?
  182. Zobel Network Corrections
  183. Zhalou P1 Audio Power Amplifier
  184. Should I call this pre-amp+ PDB a "SPLIF" Amp?
  185. My 1st order butterworth filter better than 4th order L-R: Why?
  186. counterpoint sa100 headaches
  187. Trace Elliot TA100R - schematics needed
  188. Parasound HCA1500A amp schematic
  189. What is nested feedback, how it realy works and some examples...
  190. EXPOSURE X Integrated Amp Help
  191. Akai AA-1030 schematic?
  192. Carver C-1 Preamp Power Switch
  193. Replacing IGBTs with BJTs in Elektor IGBT design!
  194. Open loop bandwidth in op-amp.
  195. DIY NAim amplifier
  196. setting bias for power FETs?
  197. Modern transistors for CFP output for preamp
  198. the NFB and the time lag in L.F. and H.F.
  199. VAS, the stage that makes or breaks audio nirvana??
  200. Leach amp problem
  201. Charge pumps as power supplies
  202. Exposure model 8 output transistors
  203. Cascode and phaseshift relation
  204. Amplifier NPN+PNP Transistors Tester Circuit
  205. marantz pm7200 preamplifer
  206. Sub-woofer high level input
  207. SE Class-A developing
  208. Interesting crossover question
  209. Two preamp swithceroo. Suggestions?
  210. Crown IC-150A POOGE
  211. Help with upgrades to integrated amp
  212. NAD 7225PE schematic wanted
  213. mismatch in bridging 2 channels
  214. Quad 405: Bernd Ludwig's new Mod text
  215. My amp only works after a while, or when turned up loud.
  216. Suggestions for a preamplifier kit
  217. DC Offset Problem with Micromega Amp
  218. Lead or Lag compensation??
  219. Proton AP-1000
  220. TO-3 Bipolar Output Transistors
  221. power supply for techno amp
  222. Destroyer x Amplifier...Dx amp...my amplifier
  223. 3kva transformer in uk
  224. Supply depended oscillation
  225. Replacement caps
  226. NAD 7000 Output
  227. Post your Solid State pics here.
  228. Resistor values in feedback loop/voltage divider???
  229. Connecting Virtual Ground Circuits with True Ground circuits??
  230. Hum problems with my MOS amp
  231. Krell KAV 250a deader than a dodo
  232. Sub plate amp hum/crackle
  233. Need Cambridge A500 help
  234. Marantz M250 schematic needed
  235. Quad 306 fault finding
  236. How about a round-up of Class A kit power amps, or collectable vintage class A?
  237. Mythbusters, let's detonate some foolishes.
  238. Interesting find: 5-channel amp, beautiful chassis and design
  239. Upgrading parts in an integrated amplifier
  240. Denon PMA480R protection circuit
  241. Problem with amp
  242. Amplifier heat issue
  243. Subwoofer amp basics question
  244. Aragon question...
  245. Fixing non-functional chorus in Roland JC-120
  246. internal block diagram for CXD1135Q
  247. "Higher Fidelity Ind." - any info, please?
  248. yamaha P-2200...what to do?
  249. Opamp oscillation
  250. HK Citation 17S trouble- HELP!

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