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  1. Summing two amplifier outputs with just a resistor
  2. Purpose of Capacitors Around Output MOSFET's??
  3. Anyone got "Current dumping review" by Michael McLoughlin?
  4. Krell KSA-100S capacitor Help
  5. RCA SK Series
  6. Latest project USB controlled mixer with digital pots.
  7. Edcor OPTs for Class A ss amps
  8. Sony amp feedback
  9. What am i doing wrong, why wont my JLH operate in class A / get warm?
  10. Crown XLS 602
  11. Newer = Better?
  12. Adcom GFP-565 - Just in Case......
  13. LM4562 opamp crackling when trying to drive headphones.
  14. The mu-amp revisited
  15. Small earth hum, what could be a possible cause?
  16. Emotiva XPA-3
  17. Help for PCB for PWM controler
  18. SMPS for Class A amp?
  19. AF filter using opamps - substitution of opamps
  20. Amplifier for driver... what class?
  21. schematic of Phonic PWA 2200 power amp?
  22. Another... Which amp should I build?
  23. Pop to speakers when power strip is shut off
  24. DC Filter against humming Toroidals - Summary of the most interesting Comments
  25. Indirect feedback with FETs
  26. Help with JFET buffer!
  27. Simple BUF634 buffer schematic?
  28. PSS audio Essence 308 Amp.
  29. Arcam Alpha 3
  30. Audiolab 8000P Power Amp
  31. Custom Transistors
  32. Is Tony Brady still here - looking for Onix Info
  33. Look what I just bought--FOUR Marantz MA-24s.
  34. Shunt Regulated JLH
  35. Hi-Fidelity PA Amp out there?
  36. Symasym done differently, clean Hi Fi amplifier P12W4R
  37. a musical universal solution
  38. sony ta-f444es tweeks
  39. Cleaning dust from old amp - advice please.
  40. The missing piece, any ideas?
  41. behringer powered speaker
  42. Powered speaker: Sound decays in 2 seconds
  43. input of stomp boxes
  44. 100watt MOSFET Power Amplifier
  45. LJM-L10 supply question
  46. SANSUI 2301
  47. LSK389, LSK170, LSK174
  48. What's your thought about used components?
  49. Help modifying a 2-way amp
  50. mixed (lateral + vertical) MOSFET paralelling
  51. Altec 9440A - cloning best solid state amp ever
  52. Adcom GFA-555 Leaky Power Caps?
  53. Definitives
  54. McIntosh MA7000 overhiting
  55. Nikko Beta 20 preamp
  56. jFET amp with current NFB
  57. Dual-jFET 2SK146 and two single jFETs 2SK147 in parallel Operation in Luxman's L550
  58. pre/amp . compat or not
  59. Need A5 Schematic
  60. diy short circuit protection
  61. Repairing a Rega Elex Integrated Amplifier
  62. Seeking NOS 2SK162
  63. Class A Kits
  64. LM317 for output stage
  65. A simple quasi-complementary 50 watts amp
  66. Leach Capacitor Upgrade
  67. Bored....what to do with all these old parts in the junk box?!
  68. Amp to power 1x15", 4x5" & 2xTweeter
  69. Quad 405 cheap kits on ebay
  70. Best source or replacement for KTA1700/KTC2800 transistors?
  71. tranformer noise
  72. Can anyone ID this rather unhealthy noise coming from my amp?
  73. JBL 6290 amplifier mods on Pcb
  74. Learning Repair Need Help With Sub Amp
  75. Cause of dc thump at turn on
  76. NAD 3020A transistors heating up.
  77. 2SA1024/2SC3206 substitution sugestion
  78. No - feedback amplifier
  79. Technics SU-V7
  80. Denon PMA-860 schematic/service manual
  81. ultra low noise low distortion preamplifier needed
  82. Easiest/Economical way to build multichannel Class A/B amp? Suggestions Welcome
  83. build a simple yet effective volume control (attenuation) of analog ?
  84. Krill output stage + tube preamp
  85. Elkatone Amp with problems
  86. No Power on High Side Bias Com-Tech 400
  87. Old amp, power out and fault?
  88. NAD 3020A Muting circuit??
  89. Wanted: Behringer Europower EP2500 Schematics
  90. Circuit or project for an active filter for subwoofer
  91. why isnt my amp doing what its supposed to.
  92. Yamaha PD2500
  93. audiolab 8000
  94. Improved 2W current sources (II)
  95. Bridge amp with LM833 and BD139/BD140 problems - please help.
  96. Linn LK85 (LK-85) and LK140 (LK-140) schematic needed
  97. Microphone wiretapping, for further distance
  98. Where do I plug this into!? Help! ?Heat Sink?
  99. LME 49810 with NMOS output stage 1000W @ 4 OHM
  100. Solid state tutorial
  101. Amplifier burning resistor.
  102. Pioneer SA7300 amp
  103. Massive High Power Solid State Integrated Amplifiers - Overview wanted
  104. Replace a '80 Class A stereo with a Class T/D
  105. PS Audio Delta 100
  106. Output transistor suggestions for McIntosh MC2105
  107. Easy to do audio Hi Fi amplifier P16W2R
  108. NORTON KP600
  109. How to reduce the gain of the symasym 5_3?
  110. TGM5 - all-BJT Simple Symmetric Amplifier
  111. Why 3 dB?
  112. Dirty connections in Technics su-v7
  113. Super clean audio amplifier P8W4R
  114. "The Wire AMP" Class A/AB Power Amplifier based on the LME49830 with Lateral Mosfets
  115. Improving clipping
  116. Parallel Lateral FETs
  117. Need chassis case for new amp!!!
  118. Hartke Series 2000 Bass amplifier. Schematic request
  119. Alluminium chassis where I can buy it
  120. Self load invariant supply voltage
  121. JVC A-K300B stereo receiver
  122. P.L. Taylor "Audio power amplifier" 1973 anyone have article?
  123. Lateral FET current limiting
  124. Nishiki Amplifier with 2SC5200
  125. SIMPLE BUT EFICIENT AUDIO AMPLIFIER !
  126. Oh Shoot! Did I Kill a Channel?
  127. Marantz SR8200
  128. Feedback Wanted - Hantek USB Oscilloscopes
  129. Diamond Buffer /w "bootstrapped power supply"
  130. hard to find!!!
  131. transistor mounting technique ? Heatsink
  132. Comment on the schematic
  133. V-out DAC directly into power output stage (like an F4)?
  134. 100 Watt Class A Power Amp
  135. Metal Film or Carbon Film Resistors in Marcof PPA-1h ??
  136. PL 700 Series II went psycho!
  137. SEC DIY 2011 Speaker Show!
  138. 500W 2sk135, 2sj50 amplifier
  139. Grounding on single rail ? (building aspect)
  140. Audio Inovative Ideas and More ...
  141. Marshall 8100 valvestate tube problem help
  142. Identifying the stages of an amplifier (understanding)
  143. Post mortem of an ESI nEar 05 studio monitor with pictures
  144. What is this?
  145. Event TR6 Power Output Issues
  146. Pioneer sa-610
  147. Crate TX50 schematic
  148. parasound hca 800ii
  149. Draw schematics using your browser and share them
  150. The high slew rate design that time forgot?
  151. Problem with 80W mosfet amplifier - help me please
  152. elctrocompaniet ec 4.7 mkI
  153. Feedback Takeoff Point ?
  154. Adcom GFA-555 + Onkyo TX-NR709 Mute Thump?
  155. Question about Rotel RB-880 amplifier
  156. New amplifier problems
  157. 100W Hi-Fi audio amplifier!
  158. Technics SU-X920D
  159. CROWN POWERTECH 1
  160. 2SK135 - 2SJ50 -12W
  161. What value bypass caps for 1uf, 2.2uf and 3.3uf?
  162. Building A (Poorly Desinged) Symmetrical Emitter Feedback Amplifier
  163. This old amp is good?
  164. Electrolytic Cap can I replace with film
  165. Sub a silicon trans for a germanium
  166. Anybody have a formal loudness circuit?
  167. any question...some questions?
  168. output inductor//resistor placement
  169. some cuestions help!!!
  170. Help! What would be the input inpedance of this input stage?
  171. Parts placement in enclosure tips
  172. Krell FPB200 schematic or service manual anybody please?
  173. LatFET OPS.
  174. Pioneer SX1010 issue
  175. high impedance load
  176. Sony STR-VX750 no audio & no volume control
  177. LM741 :-)
  178. LME49811TB 500W amp module
  179. Son of Ampzilla VI limiters
  180. PCB Layout Process and Guidelines?
  181. QQQ (Quick Quad Question...)
  182. TRACE ELLIOT ...
  183. Phils Amp - Progress?
  184. Mains Hum - Are cheap caps worth it?
  185. standard AB bias heatsinking versus enriched class A
  186. Make your own custom ICs for very cheap !
  187. class A to class AB switch
  188. Quad 405 clone
  189. Guitar Effect pedals input/output specs
  190. FIND: ORIGINAL OBSOLETE TRANSISTORS
  191. Help! I let some magic smoke out :(
  192. L-speed current sea-saw circuit, simpler the better
  193. Thorens Restek.. Vector Pre Amp
  194. connecting two 110v amplifiers in series on 220v mains
  195. Postive output voltage only
  196. emotiva upa2
  197. Super distorted old amplifier problem
  198. Recommend amplifier to build
  199. Transistor case coupling??
  200. Faulty amp?
  201. Nikoo A-300D, recapping dilemma...
  202. L12-2 CFP OUTPUT AMP 120W*2 8R
  203. SoundTech PowerSource1300 NOISE
  204. Anyone tried the Renardson Output Stage ?
  205. Simple Killer amplifier
  206. Rotel 820AX problem - any known issues?
  207. Cause of extreme voltage swing at turn on
  208. Amplifier testing on PC with DAAS
  209. Wharfedale EVP-15P amplifier fault
  210. Preamp to match Meridian 206 DS cd player
  211. Crown Com-Tech 400 Dead Channel?
  212. CLASS A POWER AMP
  213. Ultimatest Passive Tone Control Network based on James-Baxandall's topology wanted
  214. Adcom GFA-535 Transistor sub
  215. Pioneer A400 transformer
  216. Amplifier volume knob noise
  217. 100W Hi-Fi amplifier-Help!?
  218. Did someone had tested this current feedback power amp ?
  219. Technics SU-V40
  220. opa827 bypassing,pioneer A-8 tone controls
  221. What Degrades Channel Separation in a Stereo Power Amp?
  222. Recommendation for audio amplifier!?
  223. NAD C320 Can the protection be adjusted
  224. transistor help please
  225. NAIM Nait5i V2 transformer voltage
  226. help fixing a tone control circuit
  227. Jeff Rowland Model 7 mk2 bias adjustement
  228. transistor source
  229. Need help repairing Denon AVR 5803
  230. My first designed amp
  231. Hall-effect current sensor for output stage over-current protection
  232. floating supply amp with single supply
  233. WHICH IS BETTER TRANSISTOR MJE340/350 OR BD139/BD140
  234. Circuit Translation Services
  235. Cairn 4807 Integrated Amplifier Schematic/Service Manual wanted
  236. Aragon 4004 slow relay problem
  237. Marshall Amp GR100RCD Transistor Help
  238. Sansui AU-6900 Questions and problems
  239. Thump when switching amplifier on (guitar amp)
  240. Oscillation only at raising slope
  241. Pure Reference Class A Monoblock
  242. Determining current limit
  243. digital amp modelling
  244. Help in improving a Cambridge P500 (more caps)
  245. MC250 Input Section Voltage Question
  246. Need help with Nad 3020A
  247. Jitter or phase noise in LTSPice
  248. The Sisian Amp
  249. Darlington or Sziklai (compound) pair output stages?
  250. Amplifier repair, some pointers please?

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