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  1. JBL 6290 amplifier mods on Pcb
  2. Learning Repair Need Help With Sub Amp
  3. Cause of dc thump at turn on
  4. NAD 3020A transistors heating up.
  5. 2SA1024/2SC3206 substitution sugestion
  6. No - feedback amplifier
  7. Technics SU-V7
  8. Denon PMA-860 schematic/service manual
  9. ultra low noise low distortion preamplifier needed
  10. Easiest/Economical way to build multichannel Class A/B amp? Suggestions Welcome
  11. build a simple yet effective volume control (attenuation) of analog ?
  12. Krill output stage + tube preamp
  13. Elkatone Amp with problems
  14. No Power on High Side Bias Com-Tech 400
  15. Old amp, power out and fault?
  16. NAD 3020A Muting circuit??
  17. Circuit or project for an active filter for subwoofer
  18. why isnt my amp doing what its supposed to.
  19. Yamaha PD2500
  20. audiolab 8000
  21. Improved 2W current sources (II)
  22. Bridge amp with LM833 and BD139/BD140 problems - please help.
  23. Linn LK85 (LK-85) and LK140 (LK-140) schematic needed
  24. Microphone wiretapping, for further distance
  25. Where do I plug this into!? Help! ?Heat Sink?
  26. LME 49810 with NMOS output stage 1000W @ 4 OHM
  27. Solid state tutorial
  28. Amplifier burning resistor.
  29. Pioneer SA7300 amp
  30. Massive High Power Solid State Integrated Amplifiers - Overview wanted
  31. Replace a '80 Class A stereo with a Class T/D
  32. PS Audio Delta 100
  33. Output transistor suggestions for McIntosh MC2105
  34. Easy to do audio Hi Fi amplifier P16W2R
  35. NORTON KP600
  36. How to reduce the gain of the symasym 5_3?
  37. TGM5 - all-BJT Simple Symmetric Amplifier
  38. Why 3 dB?
  39. Dirty connections in Technics su-v7
  40. Super clean audio amplifier P8W4R
  41. "The Wire AMP" Class A/AB Power Amplifier based on the LME49830 with Lateral Mosfets
  42. Improving clipping
  43. Parallel Lateral FETs
  44. Need chassis case for new amp!!!
  45. Hartke Series 2000 Bass amplifier. Schematic request
  46. Alluminium chassis where I can buy it
  47. Self load invariant supply voltage
  48. JVC A-K300B stereo receiver
  49. P.L. Taylor "Audio power amplifier" 1973 anyone have article?
  50. Lateral FET current limiting
  51. Nishiki Amplifier with 2SC5200
  52. SIMPLE BUT EFICIENT AUDIO AMPLIFIER !
  53. Oh Shoot! Did I Kill a Channel?
  54. Marantz SR8200
  55. Feedback Wanted - Hantek USB Oscilloscopes
  56. Diamond Buffer /w "bootstrapped power supply"
  57. hard to find!!!
  58. transistor mounting technique ? Heatsink
  59. Comment on the schematic
  60. V-out DAC directly into power output stage (like an F4)?
  61. 100 Watt Class A Power Amp
  62. Metal Film or Carbon Film Resistors in Marcof PPA-1h ??
  63. PL 700 Series II went psycho!
  64. SEC DIY 2011 Speaker Show!
  65. 500W 2sk135, 2sj50 amplifier
  66. Grounding on single rail ? (building aspect)
  67. Audio Inovative Ideas and More ...
  68. Identifying the stages of an amplifier (understanding)
  69. Post mortem of an ESI nEar 05 studio monitor with pictures
  70. What is this?
  71. Event TR6 Power Output Issues
  72. Pioneer sa-610
  73. Crate TX50 schematic
  74. parasound hca 800ii
  75. Draw schematics using your browser and share them
  76. The high slew rate design that time forgot?
  77. Problem with 80W mosfet amplifier - help me please
  78. elctrocompaniet ec 4.7 mkI
  79. Feedback Takeoff Point ?
  80. Adcom GFA-555 + Onkyo TX-NR709 Mute Thump?
  81. Question about Rotel RB-880 amplifier
  82. New amplifier problems
  83. 100W Hi-Fi audio amplifier!
  84. Technics SU-X920D
  85. CROWN POWERTECH 1
  86. 2SK135 - 2SJ50 -12W
  87. What value bypass caps for 1uf, 2.2uf and 3.3uf?
  88. Building A (Poorly Desinged) Symmetrical Emitter Feedback Amplifier
  89. This old amp is good?
  90. Electrolytic Cap can I replace with film
  91. Sub a silicon trans for a germanium
  92. Anybody have a formal loudness circuit?
  93. any question...some questions?
  94. output inductor//resistor placement
  95. some cuestions help!!!
  96. Help! What would be the input inpedance of this input stage?
  97. Parts placement in enclosure tips
  98. Krell FPB200 schematic or service manual anybody please?
  99. LatFET OPS.
  100. Pioneer SX1010 issue
  101. high impedance load
  102. Sony STR-VX750 no audio & no volume control
  103. LM741 :-)
  104. LME49811TB 500W amp module
  105. Son of Ampzilla VI limiters
  106. PCB Layout Process and Guidelines?
  107. QQQ (Quick Quad Question...)
  108. TRACE ELLIOT ...
  109. Phils Amp - Progress?
  110. Mains Hum - Are cheap caps worth it?
  111. standard AB bias heatsinking versus enriched class A
  112. Make your own custom ICs for very cheap !
  113. class A to class AB switch
  114. Quad 405 clone
  115. FIND: ORIGINAL OBSOLETE TRANSISTORS
  116. Help! I let some magic smoke out :(
  117. L-speed current sea-saw circuit, simpler the better
  118. Thorens Restek.. Vector Pre Amp
  119. connecting two 110v amplifiers in series on 220v mains
  120. Postive output voltage only
  121. emotiva upa2
  122. Super distorted old amplifier problem
  123. Recommend amplifier to build
  124. Transistor case coupling??
  125. Faulty amp?
  126. Nikoo A-300D, recapping dilemma...
  127. L12-2 CFP Output amp 120W*2 8R
  128. SoundTech PowerSource1300 NOISE
  129. Anyone tried the Renardson Output Stage ?
  130. Simple Killer amplifier
  131. Rotel 820AX problem - any known issues?
  132. Cause of extreme voltage swing at turn on
  133. Amplifier testing on PC with DAAS
  134. Wharfedale EVP-15P amplifier fault
  135. Preamp to match Meridian 206 DS cd player
  136. Crown Com-Tech 400 Dead Channel?
  137. CLASS A POWER AMP
  138. Ultimatest Passive Tone Control Network based on James-Baxandall's topology wanted
  139. Adcom GFA-535 Transistor sub
  140. Pioneer A400 transformer
  141. Amplifier volume knob noise
  142. 100W Hi-Fi amplifier-Help!?
  143. Did someone had tested this current feedback power amp ?
  144. Technics SU-V40
  145. opa827 bypassing,pioneer A-8 tone controls
  146. What Degrades Channel Separation in a Stereo Power Amp?
  147. Recommendation for audio amplifier!?
  148. NAD C320 Can the protection be adjusted
  149. transistor help please
  150. NAIM Nait5i V2 transformer voltage
  151. help fixing a tone control circuit
  152. Jeff Rowland Model 7 mk2 bias adjustement
  153. transistor source
  154. Need help repairing Denon AVR 5803
  155. My first designed amp
  156. Hall-effect current sensor for output stage over-current protection
  157. floating supply amp with single supply
  158. WHICH IS BETTER TRANSISTOR MJE340/350 OR BD139/BD140
  159. Circuit Translation Services
  160. Cairn 4807 Integrated Amplifier Schematic/Service Manual wanted
  161. Aragon 4004 slow relay problem
  162. Sansui AU-6900 Questions and problems
  163. Oscillation only at raising slope
  164. Pure Reference Class A Monoblock
  165. Determining current limit
  166. digital amp modelling
  167. Help in improving a Cambridge P500 (more caps)
  168. MC250 Input Section Voltage Question
  169. Need help with Nad 3020A
  170. Jitter or phase noise in LTSPice
  171. The Sisian Amp
  172. Darlington or Sziklai (compound) pair output stages?
  173. Amplifier repair, some pointers please?
  174. Powering A Tough Speaker (Split from Simple Symmetrical Amplifier)
  175. how can the wattage be?
  176. Experience on diy gene kit A-15
  177. Schematic? Mark Levinson No. 33H
  178. Need help please
  179. Op amps and Pass Transistors
  180. 400W Mosfet Amp Problem
  181. Dx line up comparisons and pcb order info?
  182. Sizing output stage
  183. Other interesting electronics forums ?
  184. TGM4 amplifier
  185. Lateral FET, Folded drivers, Biasing?
  186. Capacitor Replacement Opinions? - Marcof PPA-1h MC Amp
  187. Best place to start with channel stuck in Protect?
  188. Formula for CR Xo pole?
  189. 100W audio ampligfier - schematic!
  190. APEX PA Amp Turn on off mute - need design support against obsolet devices
  191. Tekko scored some transistors!
  192. help repairing JVC A-k11 integr amp
  193. 80W Hybrid Audio Amplifier!
  194. VINTAGE AMPLIFIERS
  195. Rotel RB990BX protection circuit issue
  196. Denon DRA 55 receiver manual request
  197. Confused about input sensitivity
  198. Biasing lateral FET's, component placement
  199. difference between these two amplifiers
  200. NAD 7130
  201. Nakamichi PA5E MK II service manual / schematic
  202. Peplacement for 2N5638 JFET Chopper Transistor ...?
  203. PHASE LINEAR 400 SERIES TWO
  204. to Change tweeter protection device
  205. 2 Signals THD format
  206. Borrowed a friends AMP and now it doesn't work! HELP!
  207. SSA variants and references
  208. SAE 2200. Could use some hints.
  209. Rotel vs NAD
  210. Assistance to improve 100W amplifier!
  211. Pre amp oscillate
  212. capacitor upgrade for Focal 2.150 amplifier
  213. pioneer a-88x recap,what else could be done
  214. Capacitive load testing
  215. Shunt Current Feedback
  216. Current Source amplifier for low impedance loads
  217. Hafler PC-19C Boards (Someone make a replacement?)
  218. vintage pioneer ad-360 wiring instructions
  219. Need amp with 200 kOhm input impedance
  220. PCB for audio amplifier with TDA7250!
  221. Fairchild A00-6
  222. Problems PS Audio Delta 100
  223. Hopefully an easy one for you...
  224. Deconstructing Rowland 7
  225. 20~50W amp
  226. Replacement of IRF730 for Sonic Frontiers SFL-1
  227. 20watt amplifier
  228. Current mirrors as collector loads in a symmetric amp
  229. Can I? Stereo in > parallel out into 1 speaker?
  230. c3519 and a1386 transistor replacement
  231. Prefered type of amplifier
  232. Some not very happy experience with my used GFA-555 II AMP
  233. How about a JFET input, TUBE VAS+buffer, and MOSFET output?
  234. AVA Insight+ 240
  235. modern incarnations of Hiraga Le Monstre
  236. Noise Reduction Solutions
  237. schematic error
  238. AV400
  239. The double blind auditions thread
  240. Hum (ground loop?) issue when using HT pass through on SDS-254 amp
  241. PCB for QUASI Amplifier for Beginners with changes!?
  242. NAD 2100 protection on!
  243. Trying to add pre out/main in to integrated amplifier. Am I thinking right?
  244. THD measurement in spice
  245. Leach Amp Project
  246. Threshold Fet 2 Series 2 preamp
  247. sony HST-550W service manual question???
  248. NAD T762 - Circuit Diagram - Help!
  249. Another Crescendo ME Problem...
  250. Grundig Console KS 526

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