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  1. audiolab 8000
  2. Improved 2W current sources (II)
  3. Bridge amp with LM833 and BD139/BD140 problems - please help.
  4. Linn LK85 (LK-85) and LK140 (LK-140) schematic needed
  5. Microphone wiretapping, for further distance
  6. Where do I plug this into!? Help! ?Heat Sink?
  7. LME 49810 with NMOS output stage 1000W @ 4 OHM
  8. Solid state tutorial
  9. Amplifier burning resistor.
  10. Pioneer SA7300 amp
  11. Massive High Power Solid State Integrated Amplifiers - Overview wanted
  12. Replace a '80 Class A stereo with a Class T/D
  13. PS Audio Delta 100
  14. Output transistor suggestions for McIntosh MC2105
  15. Easy to do audio Hi Fi amplifier P16W2R
  16. NORTON KP600
  17. How to reduce the gain of the symasym 5_3?
  18. TGM5 - all-BJT Simple Symmetric Amplifier
  19. Why 3 dB?
  20. Dirty connections in Technics su-v7
  21. Super clean audio amplifier P8W4R
  22. "The Wire AMP" Class A/AB Power Amplifier based on the LME49830 with Lateral Mosfets
  23. Improving clipping
  24. Parallel Lateral FETs
  25. Need chassis case for new amp!!!
  26. Hartke Series 2000 Bass amplifier. Schematic request
  27. Alluminium chassis where I can buy it
  28. Self load invariant supply voltage
  29. JVC A-K300B stereo receiver
  30. P.L. Taylor "Audio power amplifier" 1973 anyone have article?
  31. Lateral FET current limiting
  32. Nishiki Amplifier with 2SC5200
  33. SIMPLE BUT EFICIENT AUDIO AMPLIFIER !
  34. Oh Shoot! Did I Kill a Channel?
  35. Marantz SR8200
  36. Feedback Wanted - Hantek USB Oscilloscopes
  37. Diamond Buffer /w "bootstrapped power supply"
  38. hard to find!!!
  39. transistor mounting technique ? Heatsink
  40. Comment on the schematic
  41. V-out DAC directly into power output stage (like an F4)?
  42. 100 Watt Class A Power Amp
  43. Metal Film or Carbon Film Resistors in Marcof PPA-1h ??
  44. PL 700 Series II went psycho!
  45. SEC DIY 2011 Speaker Show!
  46. 500W 2sk135, 2sj50 amplifier
  47. Grounding on single rail ? (building aspect)
  48. Audio Inovative Ideas and More ...
  49. Identifying the stages of an amplifier (understanding)
  50. Post mortem of an ESI nEar 05 studio monitor with pictures
  51. What is this?
  52. Event TR6 Power Output Issues
  53. Pioneer sa-610
  54. Crate TX50 schematic
  55. parasound hca 800ii
  56. Draw schematics using your browser and share them
  57. The high slew rate design that time forgot?
  58. Problem with 80W mosfet amplifier - help me please
  59. elctrocompaniet ec 4.7 mkI
  60. Feedback Takeoff Point ?
  61. Adcom GFA-555 + Onkyo TX-NR709 Mute Thump?
  62. Question about Rotel RB-880 amplifier
  63. New amplifier problems
  64. 100W Hi-Fi audio amplifier!
  65. Technics SU-X920D
  66. CROWN POWERTECH 1
  67. 2SK135 - 2SJ50 -12W
  68. What value bypass caps for 1uf, 2.2uf and 3.3uf?
  69. Building A (Poorly Desinged) Symmetrical Emitter Feedback Amplifier
  70. This old amp is good?
  71. Electrolytic Cap can I replace with film
  72. Sub a silicon trans for a germanium
  73. Anybody have a formal loudness circuit?
  74. any question...some questions?
  75. output inductor//resistor placement
  76. some cuestions help!!!
  77. Help! What would be the input inpedance of this input stage?
  78. Parts placement in enclosure tips
  79. Krell FPB200 schematic or service manual anybody please?
  80. LatFET OPS.
  81. Pioneer SX1010 issue
  82. high impedance load
  83. Sony STR-VX750 no audio & no volume control
  84. LM741 :-)
  85. LME49811TB 500W amp module
  86. Son of Ampzilla VI limiters
  87. PCB Layout Process and Guidelines?
  88. QQQ (Quick Quad Question...)
  89. TRACE ELLIOT ...
  90. Phils Amp - Progress?
  91. Mains Hum - Are cheap caps worth it?
  92. standard AB bias heatsinking versus enriched class A
  93. Make your own custom ICs for very cheap !
  94. class A to class AB switch
  95. Quad 405 clone
  96. FIND: ORIGINAL OBSOLETE TRANSISTORS
  97. Help! I let some magic smoke out :(
  98. L-speed current sea-saw circuit, simpler the better
  99. Thorens Restek.. Vector Pre Amp
  100. connecting two 110v amplifiers in series on 220v mains
  101. Postive output voltage only
  102. emotiva upa2
  103. Super distorted old amplifier problem
  104. Recommend amplifier to build
  105. Transistor case coupling??
  106. Faulty amp?
  107. Nikoo A-300D, recapping dilemma...
  108. L12-2 CFP Output amp 120W*2 8R
  109. SoundTech PowerSource1300 NOISE
  110. Anyone tried the Renardson Output Stage ?
  111. Simple Killer amplifier
  112. Rotel 820AX problem - any known issues?
  113. Cause of extreme voltage swing at turn on
  114. Amplifier testing on PC with DAAS
  115. Wharfedale EVP-15P amplifier fault
  116. Preamp to match Meridian 206 DS cd player
  117. Crown Com-Tech 400 Dead Channel?
  118. CLASS A POWER AMP
  119. Ultimatest Passive Tone Control Network based on James-Baxandall's topology wanted
  120. Adcom GFA-535 Transistor sub
  121. Pioneer A400 transformer
  122. Amplifier volume knob noise
  123. 100W Hi-Fi amplifier-Help!?
  124. Did someone had tested this current feedback power amp ?
  125. Technics SU-V40
  126. opa827 bypassing,pioneer A-8 tone controls
  127. What Degrades Channel Separation in a Stereo Power Amp?
  128. Recommendation for audio amplifier!?
  129. NAD C320 Can the protection be adjusted
  130. transistor help please
  131. NAIM Nait5i V2 transformer voltage
  132. help fixing a tone control circuit
  133. Jeff Rowland Model 7 mk2 bias adjustement
  134. transistor source
  135. Need help repairing Denon AVR 5803
  136. My first designed amp
  137. Hall-effect current sensor for output stage over-current protection
  138. floating supply amp with single supply
  139. WHICH IS BETTER TRANSISTOR MJE340/350 OR BD139/BD140
  140. Circuit Translation Services
  141. Cairn 4807 Integrated Amplifier Schematic/Service Manual wanted
  142. Aragon 4004 slow relay problem
  143. Sansui AU-6900 Questions and problems
  144. Oscillation only at raising slope
  145. Pure Reference Class A Monoblock
  146. Determining current limit
  147. digital amp modelling
  148. Help in improving a Cambridge P500 (more caps)
  149. MC250 Input Section Voltage Question
  150. Need help with Nad 3020A
  151. Jitter or phase noise in LTSPice
  152. The Sisian Amp
  153. Darlington or Sziklai (compound) pair output stages?
  154. Amplifier repair, some pointers please?
  155. Powering A Tough Speaker (Split from Simple Symmetrical Amplifier)
  156. how can the wattage be?
  157. Experience on diy gene kit A-15
  158. Schematic? Mark Levinson No. 33H
  159. Need help please
  160. Op amps and Pass Transistors
  161. 400W Mosfet Amp Problem
  162. Dx line up comparisons and pcb order info?
  163. Sizing output stage
  164. Other interesting electronics forums ?
  165. TGM4 amplifier
  166. Lateral FET, Folded drivers, Biasing?
  167. Capacitor Replacement Opinions? - Marcof PPA-1h MC Amp
  168. Best place to start with channel stuck in Protect?
  169. Formula for CR Xo pole?
  170. 100W audio ampligfier - schematic!
  171. APEX PA Amp Turn on off mute - need design support against obsolet devices
  172. Tekko scored some transistors!
  173. help repairing JVC A-k11 integr amp
  174. 80W Hybrid Audio Amplifier!
  175. VINTAGE AMPLIFIERS
  176. Rotel RB990BX protection circuit issue
  177. Denon DRA 55 receiver manual request
  178. Confused about input sensitivity
  179. Biasing lateral FET's, component placement
  180. difference between these two amplifiers
  181. NAD 7130
  182. Nakamichi PA5E MK II service manual / schematic
  183. Peplacement for 2N5638 JFET Chopper Transistor ...?
  184. PHASE LINEAR 400 SERIES TWO
  185. to Change tweeter protection device
  186. 2 Signals THD format
  187. Borrowed a friends AMP and now it doesn't work! HELP!
  188. SSA variants and references
  189. SAE 2200. Could use some hints.
  190. Rotel vs NAD
  191. Assistance to improve 100W amplifier!
  192. Pre amp oscillate
  193. capacitor upgrade for Focal 2.150 amplifier
  194. pioneer a-88x recap,what else could be done
  195. Capacitive load testing
  196. Shunt Current Feedback
  197. Current Source amplifier for low impedance loads
  198. Hafler PC-19C Boards (Someone make a replacement?)
  199. vintage pioneer ad-360 wiring instructions
  200. Need amp with 200 kOhm input impedance
  201. PCB for audio amplifier with TDA7250!
  202. Fairchild A00-6
  203. Problems PS Audio Delta 100
  204. Hopefully an easy one for you...
  205. Deconstructing Rowland 7
  206. 20~50W amp
  207. Replacement of IRF730 for Sonic Frontiers SFL-1
  208. 20watt amplifier
  209. Current mirrors as collector loads in a symmetric amp
  210. Can I? Stereo in > parallel out into 1 speaker?
  211. c3519 and a1386 transistor replacement
  212. Prefered type of amplifier
  213. Some not very happy experience with my used GFA-555 II AMP
  214. How about a JFET input, TUBE VAS+buffer, and MOSFET output?
  215. AVA Insight+ 240
  216. modern incarnations of Hiraga Le Monstre
  217. Noise Reduction Solutions
  218. schematic error
  219. AV400
  220. The double blind auditions thread
  221. Hum (ground loop?) issue when using HT pass through on SDS-254 amp
  222. PCB for QUASI Amplifier for Beginners with changes!?
  223. NAD 2100 protection on!
  224. Trying to add pre out/main in to integrated amplifier. Am I thinking right?
  225. THD measurement in spice
  226. Leach Amp Project
  227. Threshold Fet 2 Series 2 preamp
  228. sony HST-550W service manual question???
  229. NAD T762 - Circuit Diagram - Help!
  230. Another Crescendo ME Problem...
  231. Grundig Console KS 526
  232. Class S
  233. Simple sub amp a 10-year old could build?
  234. Borbely-Lender True Symmetry
  235. Cyrus I (issue 07)
  236. Schematic for audio amps
  237. Coupling cap 360deg phase shift??
  238. very first "blameless" amplifier prior 1969
  239. About optimos pcb
  240. How to simulate an OLG of the TMC amp
  241. NAD 3020 Rebuild - thermal breaker replacement/source?
  242. STK4143 MKII Datasheet
  243. Capacitors for this amp ?????
  244. PSA 150 S (pure sound amplifier)---help needed
  245. Amp is not bi-wired Speakers are :(
  246. pioneer sx 3800
  247. Help with a Hafler amp and AV receiver setup
  248. Krell KMA-100 DC Offset
  249. Headphone amp NE5532
  250. Limit Amplifier

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