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  1. Very hard to find - Brand Name: "power" - Power Amp APK/APX series schematics wanted
  2. Understanding Anthem Amp2 output circuit
  3. Technics SU-G50 mods
  4. Germanium and silicium transistor in darlington ro sziklai
  5. NAP-140 Clone Amp Kit on Ebay - regulated supply
  6. MOS Power Amp -My Design
  7. nad c315bee nosound output
  8. Centre tapped coil with in a coil - inductance?
  9. McIntosh MC2200 Schematic or SM wanted
  10. 500W PA amplifier with Limiter
  11. LME49880 JFET Input Op-Amp
  12. Amp to drive 1ohm ribbon, using Dx
  13. Bedini 10/10 Class A
  14. Looking for used commercial(or other)integrated
  15. RF filtering
  16. Trench MOSFETS
  17. A "Patchwork" Type Concept Amp
  18. Dual Toroids in Close Proximity...An Issue?
  19. 2 amps, 1 set of speakers
  20. P3A Oscillation
  21. 100W Ultimate Fidelity Amplifier
  22. diy etch Superteddyreg and Powerreg?
  23. Successors for Toshiba's IGBT's GT20D201-GT20D101 used e.g. in Elektor's CFB Amp
  24. Pioneer A-77X Schem or SM needed
  25. Proton D940 Help
  26. Dx Blame ST - Builder's thread - post pictures, reviews and comments here please.
  27. Protect mode on Sony TA-N9000ES
  28. Cambridge audio A5 fried channel
  29. THD Noticable?
  30. Block negative DC
  31. popping sound marantz sr4001
  32. Which opamp to use?
  33. AKSA 100 schematic?
  34. 100W/8Ohm working design needed
  35. HELP!! 500 watts rms @ 8ohm circuit design
  36. QUAD 405 revisited (TL071 & vertical MOSFETs)
  37. Very low frequency oscillation in amp
  38. TL071 hand-made simulation using discretes
  39. S.A.E preamp + amp
  40. Can a toroidal transformer produce all this mess?
  41. Vintage reliability?
  42. how to upgrade amplifier for more power?
  43. Logarithmic Amplifier Design
  44. need advice, repairing NAD C372
  45. Help need for Electrocompaniet The 2 channel amplifier
  46. FOKKER, the competition nigthmare. name came from a Dutch man
  47. Another strange design
  48. Musical Fidelity Typhoon transformer was burnt
  49. Schematic needed: Sony Integrated Stereo Amplifier TA-FE610R
  50. Carver M-1.5t loud noise on one channel
  51. To improve the sound of Nakamichi PA-5 ?
  52. hk 460i crackles
  53. servie manual for old crown
  54. Tone control not working
  55. Alesis RA-100 - may need a new transistor
  56. Class A vs Class AB design
  57. Jvc audio amplifier ja-s10
  58. Simulation parameter of MJE182. Correct or wrong?
  59. SMR791 diode crossreference?
  60. BV Audio
  61. How could an amp lose half its power ?
  62. Sanken Darlingtons
  63. So how much power do you really need for domestic listening ?
  64. Krell KSA100S Modifications
  65. QUAD 405 revisited (AD844 & vertical MOSFETs)
  66. how old is yamaha's rx-v800?
  67. ar3a aleph-x
  68. Spice Simulation of Adcom GFA-555
  69. Question on Class H amplifiers
  70. Schematic diagram of Unison Research Unico
  71. All for one - one for all
  72. Voltage Conversion on a Bryton amp (120V->240V)
  73. Pre amp for Power follower
  74. any amp designs that sound like a sansui
  75. Lang 20w Class A amplifier
  76. Any Carver experts out there (PXm900)?
  77. Accuphase clone
  78. best place and value for volume pot
  79. BJT output device substitution
  80. KrellClone KSA100-MKII Power Supply
  81. Kenwood KA4002 problem
  82. ideal amplifier power rating to match speakers
  83. NAD 160a Problems
  84. Anyone owns a NAD C300 or Service Manual
  85. Anyone owns a NAD C300 or Service Manual
  86. Carlsboro Powerline 800 Amplifier - Schematic Needed
  87. Beefing up the Blameless.
  88. help with europower ep-2500
  89. Lateral Mosfet Tests - Rauch DVT 250s Restoration
  90. P3A at >200 ma bias
  91. mc2105
  92. cyrus 1
  93. 1000W amplifier -- This is great schematic
  94. True Power Meter like Accuphase - schematic wanted
  95. Besides gainclone, any other choice?
  96. Where to Find OLD JFets? 2SK146, 2SJ73, 2SK147, 2SJ72?
  97. Switching PS for Audio Amps?
  98. Because old caps?
  99. To Visch or not to Visch?
  100. BJT Push pull amplifier SOA pizeo driver
  101. Need info to build audio amp
  102. Faulty Yamaha CA-800
  103. Voltage coefficient in feed back resistor
  104. any body have details of 450 watts TIP142& TIP147Transister amp
  105. Adcom J6 Substitute
  106. 46n15 250watt MOSFET in to220 package !
  107. Please Help To Identify This Transistor?
  108. TOA VP-1240B power amplifier
  109. Dunlap Clarke schematic as promised.
  110. dual opamp replacement options
  111. Amplifier sensitivity for RCA and XLR input
  112. Parasound DR-40 stuck in standby mode fix
  113. Amplifier design
  114. Odd LM3886 Application Question
  115. Class AB Soft Non-Switching
  116. Class AB, Class AB Non-Switching, Class AB Soft Non-Switching
  117. do mosfets just blow up
  118. Newcastle R-956 Power problems
  119. KRELL KSA100 voltage conversion
  120. amplifier clipping early
  121. Crate Taxi No Sound. Help !
  122. onkyo A-8200 popping fuses..
  123. 150W MOSFET Amplifier with IRFP250x2
  124. Jl audio 300/2 protection mode
  125. GFA-585 Repairs
  126. Amp to supply 2 ohm mono power
  127. Pioneer SX-6 Mute Problem
  128. blowning caps
  129. Cerwin-Vega HED180
  130. Denon PMA 250 transformer
  131. Ooops! Bought a three phase bridge by accident.
  132. Sansui Diamond-Differential with current mirror loads and self biased VAS cascodes
  133. Yamaha C-2a Preamp problem
  134. $40K Joke Amp?
  135. jfet SRPP cascode
  136. Creek 4040S3 Bias Voltage?
  137. B&K AVR507 dead...well, sort of.
  138. mcintosh amplifier parts
  139. Top quality Relais Overview for "Switch On" of large Toroidal Transformers
  140. what rate of transformer i should use?
  141. Hiraga super
  142. what mean by audio power amplifier 10watt output?
  143. alphasonik pma1200dai have this amp i just got.i haven't worked on one of these doesn
  144. need print for comtec 210 ?
  145. My First SS Amp (P101) - Transformer Advice Needed
  146. jazz-amplifier
  147. Which reservoir caps ?
  148. Phase Linear 700 Series Two recapping
  149. Different between push-pull and quasi-comp?
  150. crown com tech 210 problem help
  151. Subs for 3sk45 & 3sk59? for Marantz FM front end
  152. Need help with possible receiver repair
  153. Update Musical Fidelity A1
  154. Q: removing Servo in amp
  155. Power supply capacitor replacement
  156. C audio RA3000 inProtection
  157. Krell KAV-250A - Issues and Amp Testing
  158. In dire need of help with a "squealing" amp.
  159. Current Feedback IC input in a power amp
  160. Adcom pop noise, need help on a fix.
  161. Headphone amp with mixed-in telephone audio
  162. Highly recommended German Amplifier Schematic !
  163. active sub input board help
  164. Sziklai power amplifier
  165. Need Help fixing Nikko Alpha 230
  166. luxman schematic, and advice needed
  167. Crate GX80 Channel switching
  168. Amplifier database
  169. What voltages and currents are present on amplifier outputs?
  170. capability unknown-
  171. Yamaha M-80 amp mods/maintenance
  172. technics SU Z45
  173. Pioneer amp project
  174. Help Set-up Kenwood KAC-1020 Power Amp
  175. Parasound DR-40
  176. Hitach lateral MOSFETs - back in March 1978
  177. Class B ReVishited
  178. Help with Cambridge A3i
  179. help setting up idle current
  180. do mosfets suffer from magnetic fields
  181. Looking to replace 6800uF 50V filter caps
  182. MOSFET simply blew up ?
  183. Ltp ...protection ????
  184. Schematic
  185. Sescom MI-14 as SE to XLR?
  186. Caps for Carver M1.0T
  187. Marantz PM94 Please Help
  188. PSL amplifier schematic
  189. Siliconix & Siemens NMOS amplifiers
  190. Recap Krell KSA200S
  191. Amplifier modules for active speakers
  192. Heat Kills. Right?
  193. Interesting new devices
  194. Monoblock design - left and right bank of output devices
  195. Need help with narrow frequency amp.
  196. Delay time through power amp?
  197. 2sc1384 Swap-out
  198. Yamaha R-500 Receiver
  199. Ultimate space age preamp
  200. New Class A, Super-A, Non-Switching : need a revival ?
  201. Schematic for Nady SPA1400
  202. chipamps good for quality sound?
  203. Check for oscillating amplifier
  204. Carlsbro DX 12-2 Mixer
  205. Distortion with "real" loads
  206. Trying to fix HK930
  207. Evens C-500 amplifier ....opinions?
  208. Fun Project Suggestion for a busted NAD2100?
  209. Dayton Wright Power Amplifier XEC-1000 - schematic wanted
  210. Creek A42 Stereo Power Amplfier
  211. Amplifier motherboard
  212. Collection of Class B topologies <100mA Idle and Sound closest by Class A
  213. amp for everybody
  214. Renesas Hitachi 2SK1058 & 2SJ162 Lateral MOSFET
  215. Does anyone know the manufacturer and origins of this transistor?
  216. Pease opines on the '797 "part"
  217. Just got a Marantz 2200
  218. build amplifier F1 of Nelson Pass
  219. 900W H-class PA Amp with Limiter
  220. Krell KSA200S Bias
  221. No feedback amp
  222. Folded Cascode in the Making
  223. Basic6 Amp from 41hz audio- volume control?
  224. AmpsLab HX200amp
  225. Are there Sugden (Sugdenaudio) Single ended power stages? Schematic wanted
  226. Amplifiers.... inductive or resistive load?
  227. How to identify a quasi-complementary amplifier?
  228. Tone control kit?
  229. Adcom 545 Schematics needed
  230. OPA547F Waveform Generator
  231. Tone control
  232. Help me id this amp
  233. Radio Amplification
  234. Need help with Rockford Fosgate 801s
  235. My idea di MonoBlock esoteric
  236. VAS with Miller compensation zero
  237. Will Donate $30 to Forum for Help Repairing GAS Gandson Amp
  238. Fast Rectifiers for Power Supplies
  239. Advice needed on RoHS regulations
  240. Why you're clock is wrong
  241. replacement for mje15003&4
  242. ARCAM A75 help
  243. Diodes from colector to emitter in power output transistor
  244. TIP3055/2N3055 based power amps
  245. Key matrix circuit ... Help
  246. class A to Hybrid
  247. JBL Powered SubWoofer - Schematic Needed
  248. Diffl Input BJT Matched Pair sub A979?
  249. Your Amp Light Bulb Current Testing Rig??
  250. P3A strange problem (thumb when applying input signal)

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