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  1. Diff(erent) input stages, simple is not better
  2. Luxman r-1035
  3. Cambridge A3i
  4. Found useful active filter tool
  5. tone control in feedback loop
  6. Power transitor question
  7. Mitsubishi DA-A10
  8. Nad 310 upgrade
  9. Counterpoint SA-100 Fix
  10. Solid State VS. Chip Amp
  11. Hafler DH-101 Volume Pot
  12. Left channel dead
  13. QUAD-405 modify of the comments
  14. Amp makes whistle sound after turn off
  15. Zca ....turbo
  16. Closing the loop
  17. Need help with spectral dmc 6 preamp
  18. How loud is 250uV white noise?
  19. PHONIC MAX 1600 Service Manual?
  20. Question About Pre-Amp Schematic
  21. Studio 350
  22. Which THD Components arises if different Ube Voltages by parallel Power BjT's
  23. sony ta-2000 preamp
  24. Musical Fidelity A1001
  25. Increasing Filter Capacitance in Subwoofer Amp
  26. Help, how to adjust trimer(potentiometer) on transistor amplifier
  27. Old amplifier smell
  28. Holton N-channel amplifier problem
  29. P3A Comparison table ( long .... )
  30. A trick for connecting Graphic EQ to Amp
  31. 450-1500watt from Ground Sound
  32. looking for upgrade NJW0281G
  33. Another no overall NFB amp
  34. "Emotiva" brand amps
  35. "Arching" on power swithch...
  36. Any Techs near Tampa to repair my Threshold amp?
  37. Can this scheme works like this?
  38. Tube/Mosfet 100W Hybrid Amplifier
  39. Dynaco ST-410 fan running way too fast. How to slow it down?
  40. Looking for Technics SE-A5 Service Manual
  41. Hafler DH-220 upgrade newb questions
  42. 50W mosfet amplifier IRF540/IRF9540
  43. Small mod, what is the effect?
  44. Symetrical schematics are alike plague in Brazil, do you like them?
  45. STK3062IV substitute
  46. Denon PMA-700AE
  47. Earth current leakage
  48. Linn LK1 LK 1 Record - and Source-Indicator LED's wanted
  49. McIntosh MC2120/MC2200 bias adj. puzzle
  50. Trafo CT connection point
  51. Need Schematis for a Pioneer VSX-9700S
  52. another one to build an AV800 / AV1000
  53. High Voltage Direct Drive amplifier for Plasma loudspeaker
  54. Help!!!
  55. Problem with my Harman Kardon 930 receiver
  56. Kuroda TL071 60W FET Amp (1982)
  57. mfd = micro and not milli farads?
  58. dynaco pat 4 parts list, capacitor question
  59. What does this cap/resistor do in the input stage?
  60. Datasheets for 2SK356
  61. Naimclone PSU variants
  62. Arcam Alpha 3 Int. Amp. what caused this!
  63. Do I really need 2 transformers?
  64. i have 2 X quad 306's could i bridge/parallel them and use them as mono blocks?
  65. New Push Pull Buffer Approach for special Kind of THD - MOSFET & BjT - New for me
  66. heating of mosfets
  67. Hard wire as per schematic!
  68. Need schematic/service manual - Belles DMM pre
  69. Speaker delayed insertion, speaker protector, off set sensor
  70. Very hard to find - Brand Name: "power" - Power Amp APK/APX series schematics wanted
  71. Understanding Anthem Amp2 output circuit
  72. Technics SU-G50 mods
  73. Germanium and silicium transistor in darlington ro sziklai
  74. NAP-140 Clone Amp Kit on Ebay - regulated supply
  75. MOS Power Amp -My Design
  76. nad c315bee nosound output
  77. Centre tapped coil with in a coil - inductance?
  78. McIntosh MC2200 Schematic or SM wanted
  79. 500W PA amplifier with Limiter
  80. LME49880 JFET Input Op-Amp
  81. Amp to drive 1ohm ribbon, using Dx
  82. Bedini 10/10 Class A
  83. Looking for used commercial(or other)integrated
  84. RF filtering
  85. Trench MOSFETS
  86. A "Patchwork" Type Concept Amp
  87. Dual Toroids in Close Proximity...An Issue?
  88. 2 amps, 1 set of speakers
  89. P3A Oscillation
  90. 100W Ultimate Fidelity Amplifier
  91. diy etch Superteddyreg and Powerreg?
  92. Successors for Toshiba's IGBT's GT20D201-GT20D101 used e.g. in Elektor's CFB Amp
  93. Pioneer A-77X Schem or SM needed
  94. Proton D940 Help
  95. Dx Blame ST - Builder's thread - post pictures, reviews and comments here please.
  96. Protect mode on Sony TA-N9000ES
  97. Cambridge audio A5 fried channel
  98. THD Noticable?
  99. Block negative DC
  100. popping sound marantz sr4001
  101. Which opamp to use?
  102. AKSA 100 schematic?
  103. 100W/8Ohm working design needed
  104. HELP!! 500 watts rms @ 8ohm circuit design
  105. QUAD 405 revisited (TL071 & vertical MOSFETs)
  106. Very low frequency oscillation in amp
  107. TL071 hand-made simulation using discretes
  108. S.A.E preamp + amp
  109. Can a toroidal transformer produce all this mess?
  110. Vintage reliability?
  111. how to upgrade amplifier for more power?
  112. Logarithmic Amplifier Design
  113. need advice, repairing NAD C372
  114. Help need for Electrocompaniet The 2 channel amplifier
  115. FOKKER, the competition nigthmare. name came from a Dutch man
  116. Another strange design
  117. Musical Fidelity Typhoon transformer was burnt
  118. Schematic needed: Sony Integrated Stereo Amplifier TA-FE610R
  119. Carver M-1.5t loud noise on one channel
  120. To improve the sound of Nakamichi PA-5 ?
  121. hk 460i crackles
  122. servie manual for old crown
  123. Tone control not working
  124. Alesis RA-100 - may need a new transistor
  125. Class A vs Class AB design
  126. Jvc audio amplifier ja-s10
  127. Simulation parameter of MJE182. Correct or wrong?
  128. SMR791 diode crossreference?
  129. BV Audio
  130. How could an amp lose half its power ?
  131. Sanken Darlingtons
  132. So how much power do you really need for domestic listening ?
  133. Krell KSA100S Modifications
  134. QUAD 405 revisited (AD844 & vertical MOSFETs)
  135. how old is yamaha's rx-v800?
  136. ar3a aleph-x
  137. Spice Simulation of Adcom GFA-555
  138. Question on Class H amplifiers
  139. Schematic diagram of Unison Research Unico
  140. All for one - one for all
  141. Voltage Conversion on a Bryton amp (120V->240V)
  142. Pre amp for Power follower
  143. any amp designs that sound like a sansui
  144. Lang 20w Class A amplifier
  145. Any Carver experts out there (PXm900)?
  146. Accuphase clone
  147. best place and value for volume pot
  148. BJT output device substitution
  149. KrellClone KSA100-MKII Power Supply
  150. Kenwood KA4002 problem
  151. ideal amplifier power rating to match speakers
  152. NAD 160a Problems
  153. Anyone owns a NAD C300 or Service Manual
  154. Anyone owns a NAD C300 or Service Manual
  155. Carlsboro Powerline 800 Amplifier - Schematic Needed
  156. Beefing up the Blameless.
  157. help with europower ep-2500
  158. Lateral Mosfet Tests - Rauch DVT 250s Restoration
  159. P3A at >200 ma bias
  160. mc2105
  161. cyrus 1
  162. 1000W amplifier -- This is great schematic
  163. True Power Meter like Accuphase - schematic wanted
  164. Besides gainclone, any other choice?
  165. Where to Find OLD JFets? 2SK146, 2SJ73, 2SK147, 2SJ72?
  166. Switching PS for Audio Amps?
  167. Because old caps?
  168. To Visch or not to Visch?
  169. BJT Push pull amplifier SOA pizeo driver
  170. Need info to build audio amp
  171. Faulty Yamaha CA-800
  172. Voltage coefficient in feed back resistor
  173. any body have details of 450 watts TIP142& TIP147Transister amp
  174. Adcom J6 Substitute
  175. 46n15 250watt MOSFET in to220 package !
  176. Please Help To Identify This Transistor?
  177. TOA VP-1240B power amplifier
  178. Dunlap Clarke schematic as promised.
  179. dual opamp replacement options
  180. Amplifier sensitivity for RCA and XLR input
  181. Parasound DR-40 stuck in standby mode fix
  182. Amplifier design
  183. Odd LM3886 Application Question
  184. Class AB Soft Non-Switching
  185. Class AB, Class AB Non-Switching, Class AB Soft Non-Switching
  186. do mosfets just blow up
  187. Newcastle R-956 Power problems
  188. KRELL KSA100 voltage conversion
  189. amplifier clipping early
  190. Crate Taxi No Sound. Help !
  191. onkyo A-8200 popping fuses..
  192. 150W MOSFET Amplifier with IRFP250x2
  193. Jl audio 300/2 protection mode
  194. GFA-585 Repairs
  195. Amp to supply 2 ohm mono power
  196. Pioneer SX-6 Mute Problem
  197. blowning caps
  198. Cerwin-Vega HED180
  199. Denon PMA 250 transformer
  200. Ooops! Bought a three phase bridge by accident.
  201. Sansui Diamond-Differential with current mirror loads and self biased VAS cascodes
  202. Yamaha C-2a Preamp problem
  203. $40K Joke Amp?
  204. jfet SRPP cascode
  205. Creek 4040S3 Bias Voltage?
  206. B&K AVR507 dead...well, sort of.
  207. mcintosh amplifier parts
  208. Top quality Relais Overview for "Switch On" of large Toroidal Transformers
  209. what rate of transformer i should use?
  210. Hiraga super
  211. what mean by audio power amplifier 10watt output?
  212. alphasonik pma1200dai have this amp i just got.i haven't worked on one of these doesn
  213. need print for comtec 210 ?
  214. My First SS Amp (P101) - Transformer Advice Needed
  215. jazz-amplifier
  216. Which reservoir caps ?
  217. Phase Linear 700 Series Two recapping
  218. Different between push-pull and quasi-comp?
  219. crown com tech 210 problem help
  220. Subs for 3sk45 & 3sk59? for Marantz FM front end
  221. Need help with possible receiver repair
  222. Update Musical Fidelity A1
  223. Q: removing Servo in amp
  224. Power supply capacitor replacement
  225. C audio RA3000 inProtection
  226. Krell KAV-250A - Issues and Amp Testing
  227. In dire need of help with a "squealing" amp.
  228. Current Feedback IC input in a power amp
  229. Adcom pop noise, need help on a fix.
  230. Headphone amp with mixed-in telephone audio
  231. Highly recommended German Amplifier Schematic !
  232. active sub input board help
  233. Sziklai power amplifier
  234. Need Help fixing Nikko Alpha 230
  235. luxman schematic, and advice needed
  236. Crate GX80 Channel switching
  237. Amplifier database
  238. What voltages and currents are present on amplifier outputs?
  239. capability unknown-
  240. Yamaha M-80 amp mods/maintenance
  241. technics SU Z45
  242. Pioneer amp project
  243. Help Set-up Kenwood KAC-1020 Power Amp
  244. Parasound DR-40
  245. Hitach lateral MOSFETs - back in March 1978
  246. Class B ReVishited
  247. Help with Cambridge A3i
  248. help setting up idle current
  249. do mosfets suffer from magnetic fields
  250. Looking to replace 6800uF 50V filter caps

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