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  1. Leach Capacitor Upgrade
  2. Bored....what to do with all these old parts in the junk box?!
  3. Amp to power 1x15", 4x5" & 2xTweeter
  4. Quad 405 cheap kits on ebay
  5. Best source or replacement for KTA1700/KTC2800 transistors?
  6. tranformer noise
  7. Can anyone ID this rather unhealthy noise coming from my amp?
  8. JBL 6290 amplifier mods on Pcb
  9. Learning Repair Need Help With Sub Amp
  10. Cause of dc thump at turn on
  11. NAD 3020A transistors heating up.
  12. 2SA1024/2SC3206 substitution sugestion
  13. No - feedback amplifier
  14. Technics SU-V7
  15. Denon PMA-860 schematic/service manual
  16. ultra low noise low distortion preamplifier needed
  17. Easiest/Economical way to build multichannel Class A/B amp? Suggestions Welcome
  18. build a simple yet effective volume control (attenuation) of analog ?
  19. Krill output stage + tube preamp
  20. Elkatone Amp with problems
  21. No Power on High Side Bias Com-Tech 400
  22. Old amp, power out and fault?
  23. NAD 3020A Muting circuit??
  24. Wanted: Behringer Europower EP2500 Schematics
  25. Circuit or project for an active filter for subwoofer
  26. why isnt my amp doing what its supposed to.
  27. Yamaha PD2500
  28. audiolab 8000
  29. Improved 2W current sources (II)
  30. Bridge amp with LM833 and BD139/BD140 problems - please help.
  31. Linn LK85 (LK-85) and LK140 (LK-140) schematic needed
  32. Microphone wiretapping, for further distance
  33. Where do I plug this into!? Help! ?Heat Sink?
  34. LME 49810 with NMOS output stage 1000W @ 4 OHM
  35. Solid state tutorial
  36. Amplifier burning resistor.
  37. Pioneer SA7300 amp
  38. Massive High Power Solid State Integrated Amplifiers - Overview wanted
  39. Replace a '80 Class A stereo with a Class T/D
  40. PS Audio Delta 100
  41. Output transistor suggestions for McIntosh MC2105
  42. Easy to do audio Hi Fi amplifier P16W2R
  43. NORTON KP600
  44. How to reduce the gain of the symasym 5_3?
  45. TGM5 - all-BJT Simple Symmetric Amplifier
  46. Why 3 dB?
  47. Dirty connections in Technics su-v7
  48. Super clean audio amplifier P8W4R
  49. "The Wire AMP" Class A/AB Power Amplifier based on the LME49830 with Lateral Mosfets
  50. Improving clipping
  51. Parallel Lateral FETs
  52. Need chassis case for new amp!!!
  53. Hartke Series 2000 Bass amplifier. Schematic request
  54. Alluminium chassis where I can buy it
  55. Self load invariant supply voltage
  56. JVC A-K300B stereo receiver
  57. P.L. Taylor "Audio power amplifier" 1973 anyone have article?
  58. Lateral FET current limiting
  59. Nishiki Amplifier with 2SC5200
  60. SIMPLE BUT EFICIENT AUDIO AMPLIFIER !
  61. Oh Shoot! Did I Kill a Channel?
  62. Marantz SR8200
  63. Feedback Wanted - Hantek USB Oscilloscopes
  64. Diamond Buffer /w "bootstrapped power supply"
  65. hard to find!!!
  66. transistor mounting technique ? Heatsink
  67. Comment on the schematic
  68. V-out DAC directly into power output stage (like an F4)?
  69. 100 Watt Class A Power Amp
  70. Metal Film or Carbon Film Resistors in Marcof PPA-1h ??
  71. PL 700 Series II went psycho!
  72. SEC DIY 2011 Speaker Show!
  73. 500W 2sk135, 2sj50 amplifier
  74. Grounding on single rail ? (building aspect)
  75. Audio Inovative Ideas and More ...
  76. Marshall 8100 valvestate tube problem help
  77. Identifying the stages of an amplifier (understanding)
  78. Post mortem of an ESI nEar 05 studio monitor with pictures
  79. What is this?
  80. Event TR6 Power Output Issues
  81. Pioneer sa-610
  82. Crate TX50 schematic
  83. parasound hca 800ii
  84. Draw schematics using your browser and share them
  85. The high slew rate design that time forgot?
  86. Problem with 80W mosfet amplifier - help me please
  87. elctrocompaniet ec 4.7 mkI
  88. Feedback Takeoff Point ?
  89. Adcom GFA-555 + Onkyo TX-NR709 Mute Thump?
  90. Question about Rotel RB-880 amplifier
  91. New amplifier problems
  92. 100W Hi-Fi audio amplifier!
  93. Technics SU-X920D
  94. CROWN POWERTECH 1
  95. 2SK135 - 2SJ50 -12W
  96. What value bypass caps for 1uf, 2.2uf and 3.3uf?
  97. Building A (Poorly Desinged) Symmetrical Emitter Feedback Amplifier
  98. This old amp is good?
  99. Electrolytic Cap can I replace with film
  100. Sub a silicon trans for a germanium
  101. Anybody have a formal loudness circuit?
  102. any question...some questions?
  103. output inductor//resistor placement
  104. some cuestions help!!!
  105. Help! What would be the input inpedance of this input stage?
  106. Parts placement in enclosure tips
  107. Krell FPB200 schematic or service manual anybody please?
  108. LatFET OPS.
  109. Pioneer SX1010 issue
  110. high impedance load
  111. Sony STR-VX750 no audio & no volume control
  112. LM741 :-)
  113. LME49811TB 500W amp module
  114. Son of Ampzilla VI limiters
  115. PCB Layout Process and Guidelines?
  116. QQQ (Quick Quad Question...)
  117. TRACE ELLIOT ...
  118. Phils Amp - Progress?
  119. Mains Hum - Are cheap caps worth it?
  120. standard AB bias heatsinking versus enriched class A
  121. Make your own custom ICs for very cheap !
  122. class A to class AB switch
  123. Quad 405 clone
  124. Guitar Effect pedals input/output specs
  125. FIND: ORIGINAL OBSOLETE TRANSISTORS
  126. Help! I let some magic smoke out :(
  127. L-speed current sea-saw circuit, simpler the better
  128. Thorens Restek.. Vector Pre Amp
  129. connecting two 110v amplifiers in series on 220v mains
  130. Postive output voltage only
  131. emotiva upa2
  132. Super distorted old amplifier problem
  133. Recommend amplifier to build
  134. Transistor case coupling??
  135. Faulty amp?
  136. Nikoo A-300D, recapping dilemma...
  137. L12-2 CFP OUTPUT AMP 120W*2 8R
  138. SoundTech PowerSource1300 NOISE
  139. Anyone tried the Renardson Output Stage ?
  140. Simple Killer amplifier
  141. Rotel 820AX problem - any known issues?
  142. Cause of extreme voltage swing at turn on
  143. Amplifier testing on PC with DAAS
  144. Wharfedale EVP-15P amplifier fault
  145. Preamp to match Meridian 206 DS cd player
  146. Crown Com-Tech 400 Dead Channel?
  147. CLASS A POWER AMP
  148. Ultimatest Passive Tone Control Network based on James-Baxandall's topology wanted
  149. Adcom GFA-535 Transistor sub
  150. Pioneer A400 transformer
  151. Amplifier volume knob noise
  152. 100W Hi-Fi amplifier-Help!?
  153. Did someone had tested this current feedback power amp ?
  154. Technics SU-V40
  155. opa827 bypassing,pioneer A-8 tone controls
  156. What Degrades Channel Separation in a Stereo Power Amp?
  157. Recommendation for audio amplifier!?
  158. NAD C320 Can the protection be adjusted
  159. transistor help please
  160. NAIM Nait5i V2 transformer voltage
  161. help fixing a tone control circuit
  162. Jeff Rowland Model 7 mk2 bias adjustement
  163. transistor source
  164. Need help repairing Denon AVR 5803
  165. My first designed amp
  166. Hall-effect current sensor for output stage over-current protection
  167. floating supply amp with single supply
  168. WHICH IS BETTER TRANSISTOR MJE340/350 OR BD139/BD140
  169. Circuit Translation Services
  170. Cairn 4807 Integrated Amplifier Schematic/Service Manual wanted
  171. Aragon 4004 slow relay problem
  172. Marshall Amp GR100RCD Transistor Help
  173. Sansui AU-6900 Questions and problems
  174. Thump when switching amplifier on (guitar amp)
  175. Oscillation only at raising slope
  176. Pure Reference Class A Monoblock
  177. Determining current limit
  178. digital amp modelling
  179. Help in improving a Cambridge P500 (more caps)
  180. MC250 Input Section Voltage Question
  181. Need help with Nad 3020A
  182. Jitter or phase noise in LTSPice
  183. The Sisian Amp
  184. Darlington or Sziklai (compound) pair output stages?
  185. Amplifier repair, some pointers please?
  186. Powering A Tough Speaker (Split from Simple Symmetrical Amplifier)
  187. how can the wattage be?
  188. Experience on diy gene kit A-15
  189. Schematic? Mark Levinson No. 33H
  190. marshall mg100 hdfx
  191. Need help please
  192. Op amps and Pass Transistors
  193. 400W Mosfet Amp Problem
  194. Dx line up comparisons and pcb order info?
  195. Sizing output stage
  196. Other interesting electronics forums ?
  197. Peavey repair- change out one of a group of outputs?
  198. TGM4 amplifier
  199. Lateral FET, Folded drivers, Biasing?
  200. Capacitor Replacement Opinions? - Marcof PPA-1h MC Amp
  201. Best place to start with channel stuck in Protect?
  202. Formula for CR Xo pole?
  203. 100W audio ampligfier - schematic!
  204. APEX PA Amp Turn on off mute - need design support against obsolet devices
  205. Tekko scored some transistors!
  206. help repairing JVC A-k11 integr amp
  207. 80W Hybrid Audio Amplifier!
  208. VINTAGE AMPLIFIERS
  209. Rotel RB990BX protection circuit issue
  210. Denon DRA 55 receiver manual request
  211. Confused about input sensitivity
  212. Biasing lateral FET's, component placement
  213. difference between these two amplifiers
  214. NAD 7130
  215. Nakamichi PA5E MK II service manual / schematic
  216. Peplacement for 2N5638 JFET Chopper Transistor ...?
  217. PHASE LINEAR 400 SERIES TWO
  218. to Change tweeter protection device
  219. 2 Signals THD format
  220. Borrowed a friends AMP and now it doesn't work! HELP!
  221. SSA variants and references
  222. SAE 2200. Could use some hints.
  223. Rotel vs NAD
  224. Assistance to improve 100W amplifier!
  225. Pre amp oscillate
  226. capacitor upgrade for Focal 2.150 amplifier
  227. pioneer a-88x recap,what else could be done
  228. Capacitive load testing
  229. Peavey CS 800x power problem
  230. Shunt Current Feedback
  231. Current Source amplifier for low impedance loads
  232. Hafler PC-19C Boards (Someone make a replacement?)
  233. Peavey cs4000 and cs4080....class?
  234. vintage pioneer ad-360 wiring instructions
  235. Need amp with 200 kOhm input impedance
  236. PCB for audio amplifier with TDA7250!
  237. Fairchild A00-6
  238. Problems PS Audio Delta 100
  239. Hopefully an easy one for you...
  240. Deconstructing Rowland 7
  241. 20~50W amp
  242. Replacement of IRF730 for Sonic Frontiers SFL-1
  243. 20watt amplifier
  244. Current mirrors as collector loads in a symmetric amp
  245. Can I? Stereo in > parallel out into 1 speaker?
  246. c3519 and a1386 transistor replacement
  247. Prefered type of amplifier
  248. Some not very happy experience with my used GFA-555 II AMP
  249. How about a JFET input, TUBE VAS+buffer, and MOSFET output?
  250. AVA Insight+ 240

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