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  1. What have I done?
  2. Upgrading a Creek CAS4040s1
  3. Pioneer SX-3800 Power Supply Help
  4. Need CAP Replacement Help on Technics SA-300
  5. Project with TDA1553q
  6. Repairing Quad 306 and not cleaning solder flux
  7. mods for audiolab 8ooos audiolab 8000px
  8. Looks like a city
  9. Symasym 5.3 PCB
  10. Schematic for old PS Model Two amp
  11. ~ 50 WPC Class A Kit for existing Trafos?
  12. Unknown Amplifier.
  13. Amp design for subwoofer and wideband duty
  14. mini amp
  15. Krell KSA-100S System soft-start resistor
  16. Yamaha CS-70R Schematic
  17. adaptive output impedance?
  18. Can a power line fault have this much effect?
  19. New Amplifier Technology
  20. role of cap in neg f.b. loop?
  21. Ess Transar current source amp?
  22. Technics Amplifier Overload problem
  23. SOT-227 water block?
  24. Summing two amplifier outputs with just a resistor
  25. Purpose of Capacitors Around Output MOSFET's??
  26. Anyone got "Current dumping review" by Michael McLoughlin?
  27. Krell KSA-100S capacitor Help
  28. RCA SK Series
  29. Latest project USB controlled mixer with digital pots.
  30. Edcor OPTs for Class A ss amps
  31. Sony amp feedback
  32. What am i doing wrong, why wont my JLH operate in class A / get warm?
  33. Crown XLS 602
  34. Newer = Better?
  35. Adcom GFP-565 - Just in Case......
  36. LM4562 opamp crackling when trying to drive headphones.
  37. The mu-amp revisited
  38. Small earth hum, what could be a possible cause?
  39. Emotiva XPA-3
  40. Help for PCB for PWM controler
  41. SMPS for Class A amp?
  42. AF filter using opamps - substitution of opamps
  43. Amplifier for driver... what class?
  44. schematic of Phonic PWA 2200 power amp?
  45. Another... Which amp should I build?
  46. Pop to speakers when power strip is shut off
  47. DC Filter against humming Toroidals - Summary of the most interesting Comments
  48. Indirect feedback with FETs
  49. Help with JFET buffer!
  50. Simple BUF634 buffer schematic?
  51. PSS audio Essence 308 Amp.
  52. Arcam Alpha 3
  53. Audiolab 8000P Power Amp
  54. Custom Transistors
  55. Is Tony Brady still here - looking for Onix Info
  56. Look what I just bought--FOUR Marantz MA-24s.
  57. Shunt Regulated JLH
  58. Hi-Fidelity PA Amp out there?
  59. Symasym done differently, clean Hi Fi amplifier P12W4R
  60. a musical universal solution
  61. sony ta-f444es tweeks
  62. Cleaning dust from old amp - advice please.
  63. The missing piece, any ideas?
  64. Powered speaker: Sound decays in 2 seconds
  65. input of stomp boxes
  66. 100watt MOSFET Power Amplifier
  67. LJM-L10 supply question
  68. SANSUI 2301
  69. LSK389, LSK170, LSK174
  70. What's your thought about used components?
  71. Help modifying a 2-way amp
  72. mixed (lateral + vertical) MOSFET paralelling
  73. Altec 9440A - cloning best solid state amp ever
  74. Adcom GFA-555 Leaky Power Caps?
  75. Definitives
  76. McIntosh MA7000 overhiting
  77. Nikko Beta 20 preamp
  78. jFET amp with current NFB
  79. Dual-jFET 2SK146 and two single jFETs 2SK147 in parallel Operation in Luxman's L550
  80. pre/amp . compat or not
  81. Need A5 Schematic
  82. diy short circuit protection
  83. Repairing a Rega Elex Integrated Amplifier
  84. Seeking NOS 2SK162
  85. Class A Kits
  86. LM317 for output stage
  87. A simple quasi-complementary 50 watts amp
  88. Leach Capacitor Upgrade
  89. Bored....what to do with all these old parts in the junk box?!
  90. Amp to power 1x15", 4x5" & 2xTweeter
  91. Quad 405 cheap kits on ebay
  92. Best source or replacement for KTA1700/KTC2800 transistors?
  93. tranformer noise
  94. Can anyone ID this rather unhealthy noise coming from my amp?
  95. JBL 6290 amplifier mods on Pcb
  96. Learning Repair Need Help With Sub Amp
  97. Cause of dc thump at turn on
  98. NAD 3020A transistors heating up.
  99. 2SA1024/2SC3206 substitution sugestion
  100. No - feedback amplifier
  101. Technics SU-V7
  102. Denon PMA-860 schematic/service manual
  103. ultra low noise low distortion preamplifier needed
  104. Easiest/Economical way to build multichannel Class A/B amp? Suggestions Welcome
  105. build a simple yet effective volume control (attenuation) of analog ?
  106. Krill output stage + tube preamp
  107. Elkatone Amp with problems
  108. No Power on High Side Bias Com-Tech 400
  109. Old amp, power out and fault?
  110. NAD 3020A Muting circuit??
  111. Circuit or project for an active filter for subwoofer
  112. why isnt my amp doing what its supposed to.
  113. Yamaha PD2500
  114. audiolab 8000
  115. Improved 2W current sources (II)
  116. Bridge amp with LM833 and BD139/BD140 problems - please help.
  117. Linn LK85 (LK-85) and LK140 (LK-140) schematic needed
  118. Microphone wiretapping, for further distance
  119. Where do I plug this into!? Help! ?Heat Sink?
  120. LME 49810 with NMOS output stage 1000W @ 4 OHM
  121. Solid state tutorial
  122. Amplifier burning resistor.
  123. Pioneer SA7300 amp
  124. Massive High Power Solid State Integrated Amplifiers - Overview wanted
  125. Replace a '80 Class A stereo with a Class T/D
  126. PS Audio Delta 100
  127. Output transistor suggestions for McIntosh MC2105
  128. Easy to do audio Hi Fi amplifier P16W2R
  129. NORTON KP600
  130. How to reduce the gain of the symasym 5_3?
  131. TGM5 - all-BJT Simple Symmetric Amplifier
  132. Why 3 dB?
  133. Dirty connections in Technics su-v7
  134. Super clean audio amplifier P8W4R
  135. "The Wire AMP" Class A/AB Power Amplifier based on the LME49830 with Lateral Mosfets
  136. Improving clipping
  137. Parallel Lateral FETs
  138. Need chassis case for new amp!!!
  139. Hartke Series 2000 Bass amplifier. Schematic request
  140. Alluminium chassis where I can buy it
  141. Self load invariant supply voltage
  142. JVC A-K300B stereo receiver
  143. P.L. Taylor "Audio power amplifier" 1973 anyone have article?
  144. Lateral FET current limiting
  145. Nishiki Amplifier with 2SC5200
  146. SIMPLE BUT EFICIENT AUDIO AMPLIFIER !
  147. Oh Shoot! Did I Kill a Channel?
  148. Marantz SR8200
  149. Feedback Wanted - Hantek USB Oscilloscopes
  150. Diamond Buffer /w "bootstrapped power supply"
  151. hard to find!!!
  152. transistor mounting technique ? Heatsink
  153. Comment on the schematic
  154. V-out DAC directly into power output stage (like an F4)?
  155. 100 Watt Class A Power Amp
  156. Metal Film or Carbon Film Resistors in Marcof PPA-1h ??
  157. PL 700 Series II went psycho!
  158. SEC DIY 2011 Speaker Show!
  159. 500W 2sk135, 2sj50 amplifier
  160. Grounding on single rail ? (building aspect)
  161. Audio Inovative Ideas and More ...
  162. Identifying the stages of an amplifier (understanding)
  163. Post mortem of an ESI nEar 05 studio monitor with pictures
  164. What is this?
  165. Event TR6 Power Output Issues
  166. Pioneer sa-610
  167. Crate TX50 schematic
  168. parasound hca 800ii
  169. Draw schematics using your browser and share them
  170. The high slew rate design that time forgot?
  171. Problem with 80W mosfet amplifier - help me please
  172. elctrocompaniet ec 4.7 mkI
  173. Feedback Takeoff Point ?
  174. Adcom GFA-555 + Onkyo TX-NR709 Mute Thump?
  175. Question about Rotel RB-880 amplifier
  176. New amplifier problems
  177. 100W Hi-Fi audio amplifier!
  178. Technics SU-X920D
  179. CROWN POWERTECH 1
  180. 2SK135 - 2SJ50 -12W
  181. What value bypass caps for 1uf, 2.2uf and 3.3uf?
  182. Building A (Poorly Desinged) Symmetrical Emitter Feedback Amplifier
  183. This old amp is good?
  184. Electrolytic Cap can I replace with film
  185. Sub a silicon trans for a germanium
  186. Anybody have a formal loudness circuit?
  187. any question...some questions?
  188. output inductor//resistor placement
  189. some cuestions help!!!
  190. Help! What would be the input inpedance of this input stage?
  191. Parts placement in enclosure tips
  192. Krell FPB200 schematic or service manual anybody please?
  193. LatFET OPS.
  194. Pioneer SX1010 issue
  195. high impedance load
  196. Sony STR-VX750 no audio & no volume control
  197. LM741 :-)
  198. LME49811TB 500W amp module
  199. Son of Ampzilla VI limiters
  200. PCB Layout Process and Guidelines?
  201. QQQ (Quick Quad Question...)
  202. TRACE ELLIOT ...
  203. Phils Amp - Progress?
  204. Mains Hum - Are cheap caps worth it?
  205. standard AB bias heatsinking versus enriched class A
  206. Make your own custom ICs for very cheap !
  207. class A to class AB switch
  208. Quad 405 clone
  209. FIND: ORIGINAL OBSOLETE TRANSISTORS
  210. Help! I let some magic smoke out :(
  211. L-speed current sea-saw circuit, simpler the better
  212. Thorens Restek.. Vector Pre Amp
  213. connecting two 110v amplifiers in series on 220v mains
  214. Postive output voltage only
  215. emotiva upa2
  216. Super distorted old amplifier problem
  217. Recommend amplifier to build
  218. Transistor case coupling??
  219. Faulty amp?
  220. Nikoo A-300D, recapping dilemma...
  221. L12-2 CFP Output amp 120W*2 8R
  222. SoundTech PowerSource1300 NOISE
  223. Anyone tried the Renardson Output Stage ?
  224. Simple Killer amplifier
  225. Rotel 820AX problem - any known issues?
  226. Cause of extreme voltage swing at turn on
  227. Amplifier testing on PC with DAAS
  228. Wharfedale EVP-15P amplifier fault
  229. Preamp to match Meridian 206 DS cd player
  230. Crown Com-Tech 400 Dead Channel?
  231. CLASS A POWER AMP
  232. Ultimatest Passive Tone Control Network based on James-Baxandall's topology wanted
  233. Adcom GFA-535 Transistor sub
  234. Pioneer A400 transformer
  235. Amplifier volume knob noise
  236. 100W Hi-Fi amplifier-Help!?
  237. Did someone had tested this current feedback power amp ?
  238. Technics SU-V40
  239. opa827 bypassing,pioneer A-8 tone controls
  240. What Degrades Channel Separation in a Stereo Power Amp?
  241. Recommendation for audio amplifier!?
  242. NAD C320 Can the protection be adjusted
  243. transistor help please
  244. NAIM Nait5i V2 transformer voltage
  245. help fixing a tone control circuit
  246. Jeff Rowland Model 7 mk2 bias adjustement
  247. transistor source
  248. Need help repairing Denon AVR 5803
  249. My first designed amp
  250. Hall-effect current sensor for output stage over-current protection

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