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  1. Increasing Filter Capacitance in Subwoofer Amp
  2. Help, how to adjust trimer(potentiometer) on transistor amplifier
  3. Old amplifier smell
  4. Holton N-channel amplifier problem
  5. P3A Comparison table ( long .... )
  6. A trick for connecting Graphic EQ to Amp
  7. 450-1500watt from Ground Sound
  8. looking for upgrade NJW0281G
  9. Another no overall NFB amp
  10. "Emotiva" brand amps
  11. "Arching" on power swithch...
  12. Any Techs near Tampa to repair my Threshold amp?
  13. Can this scheme works like this?
  14. Tube/Mosfet 100W Hybrid Amplifier
  15. Dynaco ST-410 fan running way too fast. How to slow it down?
  16. Looking for Technics SE-A5 Service Manual
  17. Hafler DH-220 upgrade newb questions
  18. 50W mosfet amplifier IRF540/IRF9540
  19. bass amp troubleshooting (behringer BX300)
  20. Small mod, what is the effect?
  21. Symetrical schematics are alike plague in Brazil, do you like them?
  22. STK3062IV substitute
  23. Denon PMA-700AE
  24. Earth current leakage
  25. Linn LK1 LK 1 Record - and Source-Indicator LED's wanted
  26. McIntosh MC2120/MC2200 bias adj. puzzle
  27. Trafo CT connection point
  28. Need Schematis for a Pioneer VSX-9700S
  29. another one to build an AV800 / AV1000
  30. High Voltage Direct Drive amplifier for Plasma loudspeaker
  31. Help!!!
  32. Problem with my Harman Kardon 930 receiver
  33. Kuroda TL071 60W FET Amp (1982)
  34. mfd = micro and not milli farads?
  35. dynaco pat 4 parts list, capacitor question
  36. What does this cap/resistor do in the input stage?
  37. Datasheets for 2SK356
  38. Naimclone PSU variants
  39. Arcam Alpha 3 Int. Amp. what caused this!
  40. Do I really need 2 transformers?
  41. i have 2 X quad 306's could i bridge/parallel them and use them as mono blocks?
  42. New Push Pull Buffer Approach for special Kind of THD - MOSFET & BjT - New for me
  43. Peavey transistors
  44. heating of mosfets
  45. Hard wire as per schematic!
  46. Need schematic/service manual - Belles DMM pre
  47. Impedance matching of coils into preamps (guitar pickups)
  48. Speaker delayed insertion, speaker protector, off set sensor
  49. Very hard to find - Brand Name: "power" - Power Amp APK/APX series schematics wanted
  50. Understanding Anthem Amp2 output circuit
  51. Technics SU-G50 mods
  52. Germanium and silicium transistor in darlington ro sziklai
  53. NAP-140 Clone Amp Kit on Ebay - regulated supply
  54. MOS Power Amp -My Design
  55. nad c315bee nosound output
  56. Centre tapped coil with in a coil - inductance?
  57. McIntosh MC2200 Schematic or SM wanted
  58. 500W PA amplifier with Limiter
  59. LME49880 JFET Input Op-Amp
  60. Amp to drive 1ohm ribbon, using Dx
  61. Bedini 10/10 Class A
  62. Looking for used commercial(or other)integrated
  63. RF filtering
  64. Trench MOSFETS
  65. A "Patchwork" Type Concept Amp
  66. Dual Toroids in Close Proximity...An Issue?
  67. 2 amps, 1 set of speakers
  68. P3A Oscillation
  69. 100W Ultimate Fidelity Amplifier
  70. diy etch Superteddyreg and Powerreg?
  71. Successors for Toshiba's IGBT's GT20D201-GT20D101 used e.g. in Elektor's CFB Amp
  72. Pioneer A-77X Schem or SM needed
  73. Proton D940 Help
  74. Dx Blame ST - Builder's thread - post pictures, reviews and comments here please.
  75. Protect mode on Sony TA-N9000ES
  76. Cambridge audio A5 fried channel
  77. THD Noticable?
  78. Block negative DC
  79. popping sound marantz sr4001
  80. Which opamp to use?
  81. AKSA 100 schematic?
  82. 100W/8Ohm working design needed
  83. HELP!! 500 watts rms @ 8ohm circuit design
  84. Behringer Europower EP1500
  85. QUAD 405 revisited (TL071 & vertical MOSFETs)
  86. Very low frequency oscillation in amp
  87. TL071 hand-made simulation using discretes
  88. S.A.E preamp + amp
  89. Can a toroidal transformer produce all this mess?
  90. Vintage reliability?
  91. how to upgrade amplifier for more power?
  92. Logarithmic Amplifier Design
  93. need advice, repairing NAD C372
  94. Help need for Electrocompaniet The 2 channel amplifier
  95. FOKKER, the competition nigthmare. name came from a Dutch man
  96. Another strange design
  97. Musical Fidelity Typhoon transformer was burnt
  98. Schematic needed: Sony Integrated Stereo Amplifier TA-FE610R
  99. Carver M-1.5t loud noise on one channel
  100. To improve the sound of Nakamichi PA-5 ?
  101. hk 460i crackles
  102. servie manual for old crown
  103. Tone control not working
  104. Alesis RA-100 - may need a new transistor
  105. Class A vs Class AB design
  106. Jvc audio amplifier ja-s10
  107. Simulation parameter of MJE182. Correct or wrong?
  108. SMR791 diode crossreference?
  109. BV Audio
  110. How could an amp lose half its power ?
  111. Sanken Darlingtons
  112. So how much power do you really need for domestic listening ?
  113. Krell KSA100S Modifications
  114. QUAD 405 revisited (AD844 & vertical MOSFETs)
  115. how old is yamaha's rx-v800?
  116. ar3a aleph-x
  117. Spice Simulation of Adcom GFA-555
  118. Question on Class H amplifiers
  119. sSchematic diagram of Unison Research Unico
  120. All for one - one for all
  121. Voltage Conversion on a Bryton amp (120V->240V)
  122. Pre amp for Power follower
  123. any amp designs that sound like a sansui
  124. Lang 20w Class A amplifier
  125. Any Carver experts out there (PXm900)?
  126. Accuphase clone
  127. best place and value for volume pot
  128. BJT output device substitution
  129. KrellClone KSA100-MKII Power Supply
  130. Kenwood KA4002 problem
  131. ideal amplifier power rating to match speakers
  132. NAD 160a Problems
  133. Anyone owns a NAD C300 or Service Manual
  134. Anyone owns a NAD C300 or Service Manual
  135. Carlsboro Powerline 800 Amplifier - Schematic Needed
  136. Beefing up the Blameless.
  137. help with europower ep-2500
  138. Lateral Mosfet Tests - Rauch DVT 250s Restoration
  139. P3A at >200 ma bias
  140. mc2105
  141. cyrus 1
  142. 1000W amplifier -- This is great schematic
  143. True Power Meter like Accuphase - schematic wanted
  144. input in guitar combo
  145. Besides gainclone, any other choice?
  146. Where to Find OLD JFets? 2SK146, 2SJ73, 2SK147, 2SJ72?
  147. Switching PS for Audio Amps?
  148. Because old caps?
  149. To Visch or not to Visch?
  150. BJT Push pull amplifier SOA pizeo driver
  151. Need info to build audio amp
  152. Faulty Yamaha CA-800
  153. Voltage coefficient in feed back resistor
  154. any body have details of 450 watts TIP142& TIP147Transister amp
  155. Adcom J6 Substitute
  156. 46n15 250watt MOSFET in to220 package !
  157. Please Help To Identify This Transistor?
  158. TOA VP-1240B power amplifier
  159. Dunlap Clarke schematic as promised.
  160. dual opamp replacement options
  161. Amplifier sensitivity for RCA and XLR input
  162. Parasound DR-40 stuck in standby mode fix
  163. Amplifier design
  164. Odd LM3886 Application Question
  165. Class AB Soft Non-Switching
  166. Class AB, Class AB Non-Switching, Class AB Soft Non-Switching
  167. do mosfets just blow up
  168. Newcastle R-956 Power problems
  169. KRELL KSA100 voltage conversion
  170. Marshall AVT150H Valvestate 2000 Power Amp Problem
  171. amplifier clipping early
  172. Crate Taxi No Sound. Help !
  173. onkyo A-8200 popping fuses..
  174. 150W MOSFET Amplifier with IRFP250x2
  175. Jl audio 300/2 protection mode
  176. GFA-585 Repairs
  177. Amp to supply 2 ohm mono power
  178. Pioneer SX-6 Mute Problem
  179. blowning caps
  180. Cerwin-Vega HED180
  181. Denon PMA 250 transformer
  182. Ooops! Bought a three phase bridge by accident.
  183. Sansui Diamond-Differential with current mirror loads and self biased VAS cascodes
  184. Yamaha C-2a Preamp problem
  185. $40K Joke Amp?
  186. Crate guitar amp buzzing
  187. jfet SRPP cascode
  188. Creek 4040S3 Bias Voltage?
  189. B&K AVR507 dead...well, sort of.
  190. mcintosh amplifier parts
  191. Top quality Relais Overview for "Switch On" of large Toroidal Transformers
  192. what rate of transformer i should use?
  193. Hiraga super
  194. what mean by audio power amplifier 10watt output?
  195. alphasonik pma1200dai have this amp i just got.i haven't worked on one of these doesn
  196. need print for comtec 210 ?
  197. My First SS Amp (P101) - Transformer Advice Needed
  198. jazz-amplifier
  199. Which reservoir caps ?
  200. Phase Linear 700 Series Two recapping
  201. Different between push-pull and quasi-comp?
  202. crown com tech 210 problem help
  203. Subs for 3sk45 & 3sk59? for Marantz FM front end
  204. Need help with possible receiver repair
  205. Update Musical Fidelity A1
  206. Q: removing Servo in amp
  207. Power supply capacitor replacement
  208. C audio RA3000 inProtection
  209. Krell KAV-250A - Issues and Amp Testing
  210. In dire need of help with a "squealing" amp.
  211. Current Feedback IC input in a power amp
  212. Adcom pop noise, need help on a fix.
  213. Headphone amp with mixed-in telephone audio
  214. Highly recommended German Amplifier Schematic !
  215. active sub input board help
  216. Sziklai power amplifier
  217. Need Help fixing Nikko Alpha 230
  218. luxman schematic, and advice needed
  219. Crate GX80 Channel switching
  220. Amplifier database
  221. What voltages and currents are present on amplifier outputs?
  222. capability unknown-
  223. Yamaha M-80 amp mods/maintenance
  224. technics SU Z45
  225. Pioneer amp project
  226. Help Set-up Kenwood KAC-1020 Power Amp
  227. Parasound DR-40
  228. Hitach lateral MOSFETs - back in March 1978
  229. Class B ReVishited
  230. Help with Cambridge A3i
  231. help setting up idle current
  232. do mosfets suffer from magnetic fields
  233. Looking to replace 6800uF 50V filter caps
  234. MOSFET simply blew up ?
  235. Ltp ...protection ????
  236. Schematic
  237. Sescom MI-14 as SE to XLR?
  238. Caps for Carver M1.0T
  239. Marantz PM94 Please Help
  240. PSL amplifier schematic
  241. Siliconix & Siemens NMOS amplifiers
  242. Recap Krell KSA200S
  243. Amplifier modules for active speakers
  244. Heat Kills. Right?
  245. Interesting new devices
  246. Monoblock design - left and right bank of output devices
  247. Need help with narrow frequency amp.
  248. Delay time through power amp?
  249. 2sc1384 Swap-out
  250. Yamaha R-500 Receiver

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