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  1. Counterpoint SA-100 Fix
  2. Solid State VS. Chip Amp
  3. Hafler DH-101 Volume Pot
  4. Left channel dead
  5. QUAD-405 modify of the comments
  6. Amp makes whistle sound after turn off
  7. Zca ....turbo
  8. Closing the loop
  9. Need help with spectral dmc 6 preamp
  10. How loud is 250uV white noise?
  11. PHONIC MAX 1600 Service Manual?
  12. Question About Pre-Amp Schematic
  13. Studio 350
  14. Which THD Components arises if different Ube Voltages by parallel Power BjT's
  15. sony ta-2000 preamp
  16. Musical Fidelity A1001
  17. Increasing Filter Capacitance in Subwoofer Amp
  18. Help, how to adjust trimer(potentiometer) on transistor amplifier
  19. Old amplifier smell
  20. Holton N-channel amplifier problem
  21. P3A Comparison table ( long .... )
  22. A trick for connecting Graphic EQ to Amp
  23. 450-1500watt from Ground Sound
  24. looking for upgrade NJW0281G
  25. Another no overall NFB amp
  26. "Emotiva" brand amps
  27. "Arching" on power swithch...
  28. Any Techs near Tampa to repair my Threshold amp?
  29. Can this scheme works like this?
  30. Tube/Mosfet 100W Hybrid Amplifier
  31. Dynaco ST-410 fan running way too fast. How to slow it down?
  32. Looking for Technics SE-A5 Service Manual
  33. Hafler DH-220 upgrade newb questions
  34. 50W mosfet amplifier IRF540/IRF9540
  35. Small mod, what is the effect?
  36. Symetrical schematics are alike plague in Brazil, do you like them?
  37. STK3062IV substitute
  38. Denon PMA-700AE
  39. Earth current leakage
  40. Linn LK1 LK 1 Record - and Source-Indicator LED's wanted
  41. McIntosh MC2120/MC2200 bias adj. puzzle
  42. Trafo CT connection point
  43. Need Schematis for a Pioneer VSX-9700S
  44. another one to build an AV800 / AV1000
  45. High Voltage Direct Drive amplifier for Plasma loudspeaker
  46. Help!!!
  47. Problem with my Harman Kardon 930 receiver
  48. Kuroda TL071 60W FET Amp (1982)
  49. mfd = micro and not milli farads?
  50. dynaco pat 4 parts list, capacitor question
  51. What does this cap/resistor do in the input stage?
  52. Datasheets for 2SK356
  53. Naimclone PSU variants
  54. Arcam Alpha 3 Int. Amp. what caused this!
  55. Do I really need 2 transformers?
  56. i have 2 X quad 306's could i bridge/parallel them and use them as mono blocks?
  57. New Push Pull Buffer Approach for special Kind of THD - MOSFET & BjT - New for me
  58. heating of mosfets
  59. Hard wire as per schematic!
  60. Need schematic/service manual - Belles DMM pre
  61. Speaker delayed insertion, speaker protector, off set sensor
  62. Very hard to find - Brand Name: "power" - Power Amp APK/APX series schematics wanted
  63. Understanding Anthem Amp2 output circuit
  64. Technics SU-G50 mods
  65. Germanium and silicium transistor in darlington ro sziklai
  66. NAP-140 Clone Amp Kit on Ebay - regulated supply
  67. MOS Power Amp -My Design
  68. nad c315bee nosound output
  69. Centre tapped coil with in a coil - inductance?
  70. McIntosh MC2200 Schematic or SM wanted
  71. 500W PA amplifier with Limiter
  72. LME49880 JFET Input Op-Amp
  73. Amp to drive 1ohm ribbon, using Dx
  74. Bedini 10/10 Class A
  75. Looking for used commercial(or other)integrated
  76. RF filtering
  77. Trench MOSFETS
  78. A "Patchwork" Type Concept Amp
  79. Dual Toroids in Close Proximity...An Issue?
  80. 2 amps, 1 set of speakers
  81. P3A Oscillation
  82. 100W Ultimate Fidelity Amplifier
  83. diy etch Superteddyreg and Powerreg?
  84. Successors for Toshiba's IGBT's GT20D201-GT20D101 used e.g. in Elektor's CFB Amp
  85. Pioneer A-77X Schem or SM needed
  86. Proton D940 Help
  87. Dx Blame ST - Builder's thread - post pictures, reviews and comments here please.
  88. Protect mode on Sony TA-N9000ES
  89. Cambridge audio A5 fried channel
  90. THD Noticable?
  91. Block negative DC
  92. popping sound marantz sr4001
  93. Which opamp to use?
  94. AKSA 100 schematic?
  95. 100W/8Ohm working design needed
  96. HELP!! 500 watts rms @ 8ohm circuit design
  97. QUAD 405 revisited (TL071 & vertical MOSFETs)
  98. Very low frequency oscillation in amp
  99. TL071 hand-made simulation using discretes
  100. S.A.E preamp + amp
  101. Can a toroidal transformer produce all this mess?
  102. Vintage reliability?
  103. how to upgrade amplifier for more power?
  104. Logarithmic Amplifier Design
  105. need advice, repairing NAD C372
  106. Help need for Electrocompaniet The 2 channel amplifier
  107. FOKKER, the competition nigthmare. name came from a Dutch man
  108. Another strange design
  109. Musical Fidelity Typhoon transformer was burnt
  110. Schematic needed: Sony Integrated Stereo Amplifier TA-FE610R
  111. Carver M-1.5t loud noise on one channel
  112. To improve the sound of Nakamichi PA-5 ?
  113. hk 460i crackles
  114. servie manual for old crown
  115. Tone control not working
  116. Alesis RA-100 - may need a new transistor
  117. Class A vs Class AB design
  118. Jvc audio amplifier ja-s10
  119. Simulation parameter of MJE182. Correct or wrong?
  120. SMR791 diode crossreference?
  121. BV Audio
  122. How could an amp lose half its power ?
  123. Sanken Darlingtons
  124. So how much power do you really need for domestic listening ?
  125. Krell KSA100S Modifications
  126. QUAD 405 revisited (AD844 & vertical MOSFETs)
  127. how old is yamaha's rx-v800?
  128. ar3a aleph-x
  129. Spice Simulation of Adcom GFA-555
  130. Question on Class H amplifiers
  131. sSchematic diagram of Unison Research Unico
  132. All for one - one for all
  133. Voltage Conversion on a Bryton amp (120V->240V)
  134. Pre amp for Power follower
  135. any amp designs that sound like a sansui
  136. Lang 20w Class A amplifier
  137. Any Carver experts out there (PXm900)?
  138. Accuphase clone
  139. best place and value for volume pot
  140. BJT output device substitution
  141. KrellClone KSA100-MKII Power Supply
  142. Kenwood KA4002 problem
  143. ideal amplifier power rating to match speakers
  144. NAD 160a Problems
  145. Anyone owns a NAD C300 or Service Manual
  146. Anyone owns a NAD C300 or Service Manual
  147. Carlsboro Powerline 800 Amplifier - Schematic Needed
  148. Beefing up the Blameless.
  149. help with europower ep-2500
  150. Lateral Mosfet Tests - Rauch DVT 250s Restoration
  151. P3A at >200 ma bias
  152. mc2105
  153. cyrus 1
  154. 1000W amplifier -- This is great schematic
  155. True Power Meter like Accuphase - schematic wanted
  156. Besides gainclone, any other choice?
  157. Where to Find OLD JFets? 2SK146, 2SJ73, 2SK147, 2SJ72?
  158. Switching PS for Audio Amps?
  159. Because old caps?
  160. To Visch or not to Visch?
  161. BJT Push pull amplifier SOA pizeo driver
  162. Need info to build audio amp
  163. Faulty Yamaha CA-800
  164. Voltage coefficient in feed back resistor
  165. any body have details of 450 watts TIP142& TIP147Transister amp
  166. Adcom J6 Substitute
  167. 46n15 250watt MOSFET in to220 package !
  168. Please Help To Identify This Transistor?
  169. TOA VP-1240B power amplifier
  170. Dunlap Clarke schematic as promised.
  171. dual opamp replacement options
  172. Amplifier sensitivity for RCA and XLR input
  173. Parasound DR-40 stuck in standby mode fix
  174. Amplifier design
  175. Odd LM3886 Application Question
  176. Class AB Soft Non-Switching
  177. Class AB, Class AB Non-Switching, Class AB Soft Non-Switching
  178. do mosfets just blow up
  179. Newcastle R-956 Power problems
  180. KRELL KSA100 voltage conversion
  181. amplifier clipping early
  182. Crate Taxi No Sound. Help !
  183. onkyo A-8200 popping fuses..
  184. 150W MOSFET Amplifier with IRFP250x2
  185. Jl audio 300/2 protection mode
  186. GFA-585 Repairs
  187. Amp to supply 2 ohm mono power
  188. Pioneer SX-6 Mute Problem
  189. blowning caps
  190. Cerwin-Vega HED180
  191. Denon PMA 250 transformer
  192. Ooops! Bought a three phase bridge by accident.
  193. Sansui Diamond-Differential with current mirror loads and self biased VAS cascodes
  194. Yamaha C-2a Preamp problem
  195. $40K Joke Amp?
  196. jfet SRPP cascode
  197. Creek 4040S3 Bias Voltage?
  198. B&K AVR507 dead...well, sort of.
  199. mcintosh amplifier parts
  200. Top quality Relais Overview for "Switch On" of large Toroidal Transformers
  201. what rate of transformer i should use?
  202. Hiraga super
  203. what mean by audio power amplifier 10watt output?
  204. alphasonik pma1200dai have this amp i just got.i haven't worked on one of these doesn
  205. need print for comtec 210 ?
  206. My First SS Amp (P101) - Transformer Advice Needed
  207. jazz-amplifier
  208. Which reservoir caps ?
  209. Phase Linear 700 Series Two recapping
  210. Different between push-pull and quasi-comp?
  211. crown com tech 210 problem help
  212. Subs for 3sk45 & 3sk59? for Marantz FM front end
  213. Need help with possible receiver repair
  214. Update Musical Fidelity A1
  215. Q: removing Servo in amp
  216. Power supply capacitor replacement
  217. C audio RA3000 inProtection
  218. Krell KAV-250A - Issues and Amp Testing
  219. In dire need of help with a "squealing" amp.
  220. Current Feedback IC input in a power amp
  221. Adcom pop noise, need help on a fix.
  222. Headphone amp with mixed-in telephone audio
  223. Highly recommended German Amplifier Schematic !
  224. active sub input board help
  225. Sziklai power amplifier
  226. Need Help fixing Nikko Alpha 230
  227. luxman schematic, and advice needed
  228. Crate GX80 Channel switching
  229. Amplifier database
  230. What voltages and currents are present on amplifier outputs?
  231. capability unknown-
  232. Yamaha M-80 amp mods/maintenance
  233. technics SU Z45
  234. Pioneer amp project
  235. Help Set-up Kenwood KAC-1020 Power Amp
  236. Parasound DR-40
  237. Hitach lateral MOSFETs - back in March 1978
  238. Class B ReVishited
  239. Help with Cambridge A3i
  240. help setting up idle current
  241. do mosfets suffer from magnetic fields
  242. Looking to replace 6800uF 50V filter caps
  243. MOSFET simply blew up ?
  244. Ltp ...protection ????
  245. Schematic
  246. Sescom MI-14 as SE to XLR?
  247. Caps for Carver M1.0T
  248. Marantz PM94 Please Help
  249. PSL amplifier schematic
  250. Siliconix & Siemens NMOS amplifiers

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