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  1. LME49880 JFET Input Op-Amp
  2. Amp to drive 1ohm ribbon, using Dx
  3. Bedini 10/10 Class A
  4. Looking for used commercial(or other)integrated
  5. RF filtering
  6. Trench MOSFETS
  7. A "Patchwork" Type Concept Amp
  8. Dual Toroids in Close Proximity...An Issue?
  9. 2 amps, 1 set of speakers
  10. P3A Oscillation
  11. 100W Ultimate Fidelity Amplifier
  12. diy etch Superteddyreg and Powerreg?
  13. Successors for Toshiba's IGBT's GT20D201-GT20D101 used e.g. in Elektor's CFB Amp
  14. Pioneer A-77X Schem or SM needed
  15. Proton D940 Help
  16. Dx Blame ST - Builder's thread - post pictures, reviews and comments here please.
  17. Protect mode on Sony TA-N9000ES
  18. Cambridge audio A5 fried channel
  19. THD Noticable?
  20. Block negative DC
  21. popping sound marantz sr4001
  22. Which opamp to use?
  23. AKSA 100 schematic?
  24. 100W/8Ohm working design needed
  25. HELP!! 500 watts rms @ 8ohm circuit design
  26. Behringer Europower EP1500
  27. QUAD 405 revisited (TL071 & vertical MOSFETs)
  28. Very low frequency oscillation in amp
  29. TL071 hand-made simulation using discretes
  30. S.A.E preamp + amp
  31. Can a toroidal transformer produce all this mess?
  32. Vintage reliability?
  33. how to upgrade amplifier for more power?
  34. Logarithmic Amplifier Design
  35. need advice, repairing NAD C372
  36. Help need for Electrocompaniet The 2 channel amplifier
  37. FOKKER, the competition nigthmare. name came from a Dutch man
  38. Another strange design
  39. Musical Fidelity Typhoon transformer was burnt
  40. Schematic needed: Sony Integrated Stereo Amplifier TA-FE610R
  41. Carver M-1.5t loud noise on one channel
  42. To improve the sound of Nakamichi PA-5 ?
  43. hk 460i crackles
  44. servie manual for old crown
  45. Tone control not working
  46. Alesis RA-100 - may need a new transistor
  47. Class A vs Class AB design
  48. Jvc audio amplifier ja-s10
  49. Simulation parameter of MJE182. Correct or wrong?
  50. SMR791 diode crossreference?
  51. BV Audio
  52. How could an amp lose half its power ?
  53. Sanken Darlingtons
  54. So how much power do you really need for domestic listening ?
  55. Krell KSA100S Modifications
  56. QUAD 405 revisited (AD844 & vertical MOSFETs)
  57. how old is yamaha's rx-v800?
  58. ar3a aleph-x
  59. Spice Simulation of Adcom GFA-555
  60. Question on Class H amplifiers
  61. sSchematic diagram of Unison Research Unico
  62. All for one - one for all
  63. Voltage Conversion on a Bryton amp (120V->240V)
  64. Pre amp for Power follower
  65. any amp designs that sound like a sansui
  66. Lang 20w Class A amplifier
  67. Any Carver experts out there (PXm900)?
  68. Accuphase clone
  69. best place and value for volume pot
  70. BJT output device substitution
  71. KrellClone KSA100-MKII Power Supply
  72. Kenwood KA4002 problem
  73. ideal amplifier power rating to match speakers
  74. NAD 160a Problems
  75. Anyone owns a NAD C300 or Service Manual
  76. Anyone owns a NAD C300 or Service Manual
  77. Carlsboro Powerline 800 Amplifier - Schematic Needed
  78. Beefing up the Blameless.
  79. help with europower ep-2500
  80. Lateral Mosfet Tests - Rauch DVT 250s Restoration
  81. P3A at >200 ma bias
  82. mc2105
  83. cyrus 1
  84. 1000W amplifier -- This is great schematic
  85. True Power Meter like Accuphase - schematic wanted
  86. input in guitar combo
  87. Besides gainclone, any other choice?
  88. Where to Find OLD JFets? 2SK146, 2SJ73, 2SK147, 2SJ72?
  89. Switching PS for Audio Amps?
  90. Because old caps?
  91. To Visch or not to Visch?
  92. BJT Push pull amplifier SOA pizeo driver
  93. Need info to build audio amp
  94. Faulty Yamaha CA-800
  95. Voltage coefficient in feed back resistor
  96. any body have details of 450 watts TIP142& TIP147Transister amp
  97. Adcom J6 Substitute
  98. 46n15 250watt MOSFET in to220 package !
  99. Please Help To Identify This Transistor?
  100. TOA VP-1240B power amplifier
  101. Dunlap Clarke schematic as promised.
  102. dual opamp replacement options
  103. Amplifier sensitivity for RCA and XLR input
  104. Parasound DR-40 stuck in standby mode fix
  105. Amplifier design
  106. Odd LM3886 Application Question
  107. Class AB Soft Non-Switching
  108. Class AB, Class AB Non-Switching, Class AB Soft Non-Switching
  109. do mosfets just blow up
  110. Newcastle R-956 Power problems
  111. KRELL KSA100 voltage conversion
  112. Marshall AVT150H Valvestate 2000 Power Amp Problem
  113. amplifier clipping early
  114. Crate Taxi No Sound. Help !
  115. onkyo A-8200 popping fuses..
  116. 150W MOSFET Amplifier with IRFP250x2
  117. Jl audio 300/2 protection mode
  118. GFA-585 Repairs
  119. Amp to supply 2 ohm mono power
  120. Pioneer SX-6 Mute Problem
  121. blowning caps
  122. Cerwin-Vega HED180
  123. Denon PMA 250 transformer
  124. Ooops! Bought a three phase bridge by accident.
  125. Sansui Diamond-Differential with current mirror loads and self biased VAS cascodes
  126. Yamaha C-2a Preamp problem
  127. $40K Joke Amp?
  128. Crate guitar amp buzzing
  129. jfet SRPP cascode
  130. Creek 4040S3 Bias Voltage?
  131. B&K AVR507 dead...well, sort of.
  132. mcintosh amplifier parts
  133. Top quality Relais Overview for "Switch On" of large Toroidal Transformers
  134. what rate of transformer i should use?
  135. Hiraga super
  136. what mean by audio power amplifier 10watt output?
  137. alphasonik pma1200dai have this amp i just got.i haven't worked on one of these doesn
  138. need print for comtec 210 ?
  139. My First SS Amp (P101) - Transformer Advice Needed
  140. jazz-amplifier
  141. Which reservoir caps ?
  142. Phase Linear 700 Series Two recapping
  143. Different between push-pull and quasi-comp?
  144. crown com tech 210 problem help
  145. Subs for 3sk45 & 3sk59? for Marantz FM front end
  146. Need help with possible receiver repair
  147. Update Musical Fidelity A1
  148. Q: removing Servo in amp
  149. Power supply capacitor replacement
  150. C audio RA3000 inProtection
  151. Krell KAV-250A - Issues and Amp Testing
  152. In dire need of help with a "squealing" amp.
  153. Current Feedback IC input in a power amp
  154. Adcom pop noise, need help on a fix.
  155. Headphone amp with mixed-in telephone audio
  156. Highly recommended German Amplifier Schematic !
  157. active sub input board help
  158. Sziklai power amplifier
  159. Need Help fixing Nikko Alpha 230
  160. luxman schematic, and advice needed
  161. Crate GX80 Channel switching
  162. Amplifier database
  163. What voltages and currents are present on amplifier outputs?
  164. capability unknown-
  165. Yamaha M-80 amp mods/maintenance
  166. technics SU Z45
  167. Pioneer amp project
  168. Help Set-up Kenwood KAC-1020 Power Amp
  169. Parasound DR-40
  170. Hitach lateral MOSFETs - back in March 1978
  171. Class B ReVishited
  172. Help with Cambridge A3i
  173. help setting up idle current
  174. do mosfets suffer from magnetic fields
  175. Looking to replace 6800uF 50V filter caps
  176. MOSFET simply blew up ?
  177. Ltp ...protection ????
  178. Schematic
  179. Sescom MI-14 as SE to XLR?
  180. Caps for Carver M1.0T
  181. Marantz PM94 Please Help
  182. PSL amplifier schematic
  183. Siliconix & Siemens NMOS amplifiers
  184. Recap Krell KSA200S
  185. Amplifier modules for active speakers
  186. Heat Kills. Right?
  187. Interesting new devices
  188. Monoblock design - left and right bank of output devices
  189. Need help with narrow frequency amp.
  190. Delay time through power amp?
  191. 2sc1384 Swap-out
  192. Yamaha R-500 Receiver
  193. Ultimate space age preamp
  194. New Class A, Super-A, Non-Switching : need a revival ?
  195. Schematic for Nady SPA1400
  196. chipamps good for quality sound?
  197. Check for oscillating amplifier
  198. Carlsbro DX 12-2 Mixer
  199. Distortion with "real" loads
  200. Trying to fix HK930
  201. Evens C-500 amplifier ....opinions?
  202. Fun Project Suggestion for a busted NAD2100?
  203. Dayton Wright Power Amplifier XEC-1000 - schematic wanted
  204. Creek A42 Stereo Power Amplfier
  205. Amplifier motherboard
  206. Collection of Class B topologies <100mA Idle and Sound closest by Class A
  207. amp for everybody
  208. Renesas Hitachi 2SK1058 & 2SJ162 Lateral MOSFET
  209. Does anyone know the manufacturer and origins of this transistor?
  210. Pease opines on the '797 "part"
  211. Just got a Marantz 2200
  212. build amplifier F1 of Nelson Pass
  213. Behringer ep 2500 service ....
  214. 900W H-class PA Amp with Limiter
  215. Krell KSA200S Bias
  216. No feedback amp
  217. Folded Cascode in the Making
  218. Basic6 Amp from 41hz audio- volume control?
  219. AmpsLab HX200amp
  220. Are there Sugden (Sugdenaudio) Single ended power stages? Schematic wanted
  221. Amplifiers.... inductive or resistive load?
  222. How to identify a quasi-complementary amplifier?
  223. Tone control kit?
  224. Adcom 545 Schematics needed
  225. OPA547F Waveform Generator
  226. Tone control
  227. Help me id this amp
  228. Radio Amplification
  229. Need help with Rockford Fosgate 801s
  230. My idea di MonoBlock esoteric
  231. VAS with Miller compensation zero
  232. Will Donate $30 to Forum for Help Repairing GAS Gandson Amp
  233. Fast Rectifiers for Power Supplies
  234. Advice needed on RoHS regulations
  235. Why you're clock is wrong
  236. replacement for mje15003&4
  237. ARCAM A75 help
  238. Diodes from colector to emitter in power output transistor
  239. TIP3055/2N3055 based power amps
  240. Key matrix circuit ... Help
  241. class A to Hybrid
  242. JBL Powered SubWoofer - Schematic Needed
  243. Diffl Input BJT Matched Pair sub A979?
  244. Your Amp Light Bulb Current Testing Rig??
  245. P3A strange problem (thumb when applying input signal)
  246. DC Servo MOSFET Amplifier
  247. Double transistors in the VAS Why?
  248. what schematic do you need?
  249. Just got me a realistic STA 2080
  250. NAD 319 Crackling?

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