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  1. Indirect feedback with FETs
  2. Help with JFET buffer!
  3. Simple BUF634 buffer schematic?
  4. PSS audio Essence 308 Amp.
  5. Arcam Alpha 3
  6. Audiolab 8000P Power Amp
  7. Custom Transistors
  8. Is Tony Brady still here - looking for Onix Info
  9. Look what I just bought--FOUR Marantz MA-24s.
  10. Shunt Regulated JLH
  11. Hi-Fidelity PA Amp out there?
  12. Symasym done differently, clean Hi Fi amplifier P12W4R
  13. a musical universal solution
  14. sony ta-f444es tweeks
  15. Cleaning dust from old amp - advice please.
  16. The missing piece, any ideas?
  17. behringer powered speaker
  18. Powered speaker: Sound decays in 2 seconds
  19. input of stomp boxes
  20. 100watt MOSFET Power Amplifier
  21. LJM-L10 supply question
  22. SANSUI 2301
  23. LSK389, LSK170, LSK174
  24. What's your thought about used components?
  25. Help modifying a 2-way amp
  26. mixed (lateral + vertical) MOSFET paralelling
  27. Altec 9440A - cloning best solid state amp ever
  28. Adcom GFA-555 Leaky Power Caps?
  29. Definitives
  30. McIntosh MA7000 overhiting
  31. Nikko Beta 20 preamp
  32. jFET amp with current NFB
  33. Dual-jFET 2SK146 and two single jFETs 2SK147 in parallel Operation in Luxman's L550
  34. pre/amp . compat or not
  35. Need A5 Schematic
  36. diy short circuit protection
  37. Repairing a Rega Elex Integrated Amplifier
  38. Seeking NOS 2SK162
  39. Class A Kits
  40. LM317 for output stage
  41. A simple quasi-complementary 50 watts amp
  42. Leach Capacitor Upgrade
  43. Bored....what to do with all these old parts in the junk box?!
  44. Amp to power 1x15", 4x5" & 2xTweeter
  45. Quad 405 cheap kits on ebay
  46. Best source or replacement for KTA1700/KTC2800 transistors?
  47. tranformer noise
  48. Can anyone ID this rather unhealthy noise coming from my amp?
  49. JBL 6290 amplifier mods on Pcb
  50. Learning Repair Need Help With Sub Amp
  51. Cause of dc thump at turn on
  52. NAD 3020A transistors heating up.
  53. 2SA1024/2SC3206 substitution sugestion
  54. No - feedback amplifier
  55. Technics SU-V7
  56. Denon PMA-860 schematic/service manual
  57. ultra low noise low distortion preamplifier needed
  58. Easiest/Economical way to build multichannel Class A/B amp? Suggestions Welcome
  59. build a simple yet effective volume control (attenuation) of analog ?
  60. Krill output stage + tube preamp
  61. Elkatone Amp with problems
  62. No Power on High Side Bias Com-Tech 400
  63. Old amp, power out and fault?
  64. NAD 3020A Muting circuit??
  65. Wanted: Behringer Europower EP2500 Schematics
  66. Circuit or project for an active filter for subwoofer
  67. why isnt my amp doing what its supposed to.
  68. Yamaha PD2500
  69. audiolab 8000
  70. Improved 2W current sources (II)
  71. Bridge amp with LM833 and BD139/BD140 problems - please help.
  72. Linn LK85 (LK-85) and LK140 (LK-140) schematic needed
  73. Microphone wiretapping, for further distance
  74. Where do I plug this into!? Help! ?Heat Sink?
  75. LME 49810 with NMOS output stage 1000W @ 4 OHM
  76. Solid state tutorial
  77. Amplifier burning resistor.
  78. Pioneer SA7300 amp
  79. Massive High Power Solid State Integrated Amplifiers - Overview wanted
  80. Replace a '80 Class A stereo with a Class T/D
  81. PS Audio Delta 100
  82. Output transistor suggestions for McIntosh MC2105
  83. Easy to do audio Hi Fi amplifier P16W2R
  84. NORTON KP600
  85. How to reduce the gain of the symasym 5_3?
  86. TGM5 - all-BJT Simple Symmetric Amplifier
  87. Why 3 dB?
  88. Dirty connections in Technics su-v7
  89. Super clean audio amplifier P8W4R
  90. "The Wire AMP" Class A/AB Power Amplifier based on the LME49830 with Lateral Mosfets
  91. Improving clipping
  92. Parallel Lateral FETs
  93. Need chassis case for new amp!!!
  94. Hartke Series 2000 Bass amplifier. Schematic request
  95. Alluminium chassis where I can buy it
  96. Self load invariant supply voltage
  97. JVC A-K300B stereo receiver
  98. P.L. Taylor "Audio power amplifier" 1973 anyone have article?
  99. Lateral FET current limiting
  100. Nishiki Amplifier with 2SC5200
  101. SIMPLE BUT EFICIENT AUDIO AMPLIFIER !
  102. Oh Shoot! Did I Kill a Channel?
  103. Marantz SR8200
  104. Feedback Wanted - Hantek USB Oscilloscopes
  105. Diamond Buffer /w "bootstrapped power supply"
  106. hard to find!!!
  107. transistor mounting technique ? Heatsink
  108. Comment on the schematic
  109. V-out DAC directly into power output stage (like an F4)?
  110. 100 Watt Class A Power Amp
  111. Metal Film or Carbon Film Resistors in Marcof PPA-1h ??
  112. PL 700 Series II went psycho!
  113. SEC DIY 2011 Speaker Show!
  114. 500W 2sk135, 2sj50 amplifier
  115. Grounding on single rail ? (building aspect)
  116. Audio Inovative Ideas and More ...
  117. Marshall 8100 valvestate tube problem help
  118. Identifying the stages of an amplifier (understanding)
  119. Post mortem of an ESI nEar 05 studio monitor with pictures
  120. What is this?
  121. Event TR6 Power Output Issues
  122. Pioneer sa-610
  123. Crate TX50 schematic
  124. parasound hca 800ii
  125. Draw schematics using your browser and share them
  126. The high slew rate design that time forgot?
  127. Problem with 80W mosfet amplifier - help me please
  128. elctrocompaniet ec 4.7 mkI
  129. Feedback Takeoff Point ?
  130. Adcom GFA-555 + Onkyo TX-NR709 Mute Thump?
  131. Question about Rotel RB-880 amplifier
  132. New amplifier problems
  133. 100W Hi-Fi audio amplifier!
  134. Technics SU-X920D
  135. CROWN POWERTECH 1
  136. 2SK135 - 2SJ50 -12W
  137. What value bypass caps for 1uf, 2.2uf and 3.3uf?
  138. Building A (Poorly Desinged) Symmetrical Emitter Feedback Amplifier
  139. This old amp is good?
  140. Electrolytic Cap can I replace with film
  141. Sub a silicon trans for a germanium
  142. Anybody have a formal loudness circuit?
  143. any question...some questions?
  144. output inductor//resistor placement
  145. some cuestions help!!!
  146. Help! What would be the input inpedance of this input stage?
  147. Parts placement in enclosure tips
  148. Krell FPB200 schematic or service manual anybody please?
  149. LatFET OPS.
  150. Pioneer SX1010 issue
  151. high impedance load
  152. Sony STR-VX750 no audio & no volume control
  153. LM741 :-)
  154. LME49811TB 500W amp module
  155. Son of Ampzilla VI limiters
  156. PCB Layout Process and Guidelines?
  157. QQQ (Quick Quad Question...)
  158. TRACE ELLIOT ...
  159. Phils Amp - Progress?
  160. Mains Hum - Are cheap caps worth it?
  161. standard AB bias heatsinking versus enriched class A
  162. Make your own custom ICs for very cheap !
  163. class A to class AB switch
  164. Quad 405 clone
  165. Guitar Effect pedals input/output specs
  166. FIND: ORIGINAL OBSOLETE TRANSISTORS
  167. Help! I let some magic smoke out :(
  168. L-speed current sea-saw circuit, simpler the better
  169. Thorens Restek.. Vector Pre Amp
  170. connecting two 110v amplifiers in series on 220v mains
  171. Postive output voltage only
  172. emotiva upa2
  173. Super distorted old amplifier problem
  174. Recommend amplifier to build
  175. Transistor case coupling??
  176. Faulty amp?
  177. Nikoo A-300D, recapping dilemma...
  178. L12-2 CFP Output amp 120W*2 8R
  179. SoundTech PowerSource1300 NOISE
  180. Anyone tried the Renardson Output Stage ?
  181. Simple Killer amplifier
  182. Rotel 820AX problem - any known issues?
  183. Cause of extreme voltage swing at turn on
  184. Amplifier testing on PC with DAAS
  185. Wharfedale EVP-15P amplifier fault
  186. Preamp to match Meridian 206 DS cd player
  187. Crown Com-Tech 400 Dead Channel?
  188. CLASS A POWER AMP
  189. Ultimatest Passive Tone Control Network based on James-Baxandall's topology wanted
  190. Adcom GFA-535 Transistor sub
  191. Pioneer A400 transformer
  192. Amplifier volume knob noise
  193. 100W Hi-Fi amplifier-Help!?
  194. Did someone had tested this current feedback power amp ?
  195. Technics SU-V40
  196. opa827 bypassing,pioneer A-8 tone controls
  197. What Degrades Channel Separation in a Stereo Power Amp?
  198. Recommendation for audio amplifier!?
  199. NAD C320 Can the protection be adjusted
  200. transistor help please
  201. NAIM Nait5i V2 transformer voltage
  202. help fixing a tone control circuit
  203. Jeff Rowland Model 7 mk2 bias adjustement
  204. transistor source
  205. Need help repairing Denon AVR 5803
  206. My first designed amp
  207. Hall-effect current sensor for output stage over-current protection
  208. floating supply amp with single supply
  209. WHICH IS BETTER TRANSISTOR MJE340/350 OR BD139/BD140
  210. Circuit Translation Services
  211. Cairn 4807 Integrated Amplifier Schematic/Service Manual wanted
  212. Aragon 4004 slow relay problem
  213. Marshall Amp GR100RCD Transistor Help
  214. Sansui AU-6900 Questions and problems
  215. Thump when switching amplifier on (guitar amp)
  216. Oscillation only at raising slope
  217. Pure Reference Class A Monoblock
  218. Determining current limit
  219. digital amp modelling
  220. Help in improving a Cambridge P500 (more caps)
  221. MC250 Input Section Voltage Question
  222. Need help with Nad 3020A
  223. Jitter or phase noise in LTSPice
  224. The Sisian Amp
  225. Darlington or Sziklai (compound) pair output stages?
  226. Amplifier repair, some pointers please?
  227. Powering A Tough Speaker (Split from Simple Symmetrical Amplifier)
  228. how can the wattage be?
  229. Experience on diy gene kit A-15
  230. Schematic? Mark Levinson No. 33H
  231. marshall mg100 hdfx
  232. Need help please
  233. Op amps and Pass Transistors
  234. 400W Mosfet Amp Problem
  235. Dx line up comparisons and pcb order info?
  236. Sizing output stage
  237. Other interesting electronics forums ?
  238. Peavey repair- change out one of a group of outputs?
  239. TGM4 amplifier
  240. Lateral FET, Folded drivers, Biasing?
  241. Capacitor Replacement Opinions? - Marcof PPA-1h MC Amp
  242. Best place to start with channel stuck in Protect?
  243. Formula for CR Xo pole?
  244. 100W audio ampligfier - schematic!
  245. APEX PA Amp Turn on off mute - need design support against obsolet devices
  246. Tekko scored some transistors!
  247. help repairing JVC A-k11 integr amp
  248. 80W Hybrid Audio Amplifier!
  249. VINTAGE AMPLIFIERS
  250. Rotel RB990BX protection circuit issue

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