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  1. TRACE ELLIOT ...
  2. Phils Amp - Progress?
  3. Mains Hum - Are cheap caps worth it?
  4. standard AB bias heatsinking versus enriched class A
  5. Make your own custom ICs for very cheap !
  6. class A to class AB switch
  7. Quad 405 clone
  8. Guitar Effect pedals input/output specs
  9. FIND: ORIGINAL OBSOLETE TRANSISTORS
  10. Help! I let some magic smoke out :(
  11. L-speed current sea-saw circuit, simpler the better
  12. Thorens Restek.. Vector Pre Amp
  13. connecting two 110v amplifiers in series on 220v mains
  14. Postive output voltage only
  15. emotiva upa2
  16. Super distorted old amplifier problem
  17. Recommend amplifier to build
  18. Transistor case coupling??
  19. Faulty amp?
  20. Nikoo A-300D, recapping dilemma...
  21. L12-2 CFP Output amp 120W*2 8R
  22. SoundTech PowerSource1300 NOISE
  23. Anyone tried the Renardson Output Stage ?
  24. Simple Killer amplifier
  25. Rotel 820AX problem - any known issues?
  26. Cause of extreme voltage swing at turn on
  27. Amplifier testing on PC with DAAS
  28. Wharfedale EVP-15P amplifier fault
  29. Preamp to match Meridian 206 DS cd player
  30. Crown Com-Tech 400 Dead Channel?
  31. CLASS A POWER AMP
  32. Ultimatest Passive Tone Control Network based on James-Baxandall's topology wanted
  33. Adcom GFA-535 Transistor sub
  34. Pioneer A400 transformer
  35. Amplifier volume knob noise
  36. 100W Hi-Fi amplifier-Help!?
  37. Did someone had tested this current feedback power amp ?
  38. Technics SU-V40
  39. opa827 bypassing,pioneer A-8 tone controls
  40. What Degrades Channel Separation in a Stereo Power Amp?
  41. Recommendation for audio amplifier!?
  42. NAD C320 Can the protection be adjusted
  43. transistor help please
  44. NAIM Nait5i V2 transformer voltage
  45. help fixing a tone control circuit
  46. Jeff Rowland Model 7 mk2 bias adjustement
  47. transistor source
  48. Need help repairing Denon AVR 5803
  49. My first designed amp
  50. Hall-effect current sensor for output stage over-current protection
  51. floating supply amp with single supply
  52. WHICH IS BETTER TRANSISTOR MJE340/350 OR BD139/BD140
  53. Circuit Translation Services
  54. Cairn 4807 Integrated Amplifier Schematic/Service Manual wanted
  55. Aragon 4004 slow relay problem
  56. Marshall Amp GR100RCD Transistor Help
  57. Sansui AU-6900 Questions and problems
  58. Thump when switching amplifier on (guitar amp)
  59. Oscillation only at raising slope
  60. Pure Reference Class A Monoblock
  61. Determining current limit
  62. digital amp modelling
  63. Help in improving a Cambridge P500 (more caps)
  64. MC250 Input Section Voltage Question
  65. Need help with Nad 3020A
  66. Jitter or phase noise in LTSPice
  67. The Sisian Amp
  68. Darlington or Sziklai (compound) pair output stages?
  69. Amplifier repair, some pointers please?
  70. Powering A Tough Speaker (Split from Simple Symmetrical Amplifier)
  71. how can the wattage be?
  72. Experience on diy gene kit A-15
  73. Schematic? Mark Levinson No. 33H
  74. marshall mg100 hdfx
  75. Need help please
  76. Op amps and Pass Transistors
  77. 400W Mosfet Amp Problem
  78. Dx line up comparisons and pcb order info?
  79. Sizing output stage
  80. Other interesting electronics forums ?
  81. Peavey repair- change out one of a group of outputs?
  82. TGM4 amplifier
  83. Lateral FET, Folded drivers, Biasing?
  84. Capacitor Replacement Opinions? - Marcof PPA-1h MC Amp
  85. Best place to start with channel stuck in Protect?
  86. Formula for CR Xo pole?
  87. 100W audio ampligfier - schematic!
  88. APEX PA Amp Turn on off mute - need design support against obsolet devices
  89. Tekko scored some transistors!
  90. help repairing JVC A-k11 integr amp
  91. 80W Hybrid Audio Amplifier!
  92. VINTAGE AMPLIFIERS
  93. Rotel RB990BX protection circuit issue
  94. Denon DRA 55 receiver manual request
  95. Confused about input sensitivity
  96. Biasing lateral FET's, component placement
  97. difference between these two amplifiers
  98. NAD 7130
  99. Nakamichi PA5E MK II service manual / schematic
  100. Peplacement for 2N5638 JFET Chopper Transistor ...?
  101. PHASE LINEAR 400 SERIES TWO
  102. to Change tweeter protection device
  103. 2 Signals THD format
  104. Borrowed a friends AMP and now it doesn't work! HELP!
  105. SSA variants and references
  106. SAE 2200. Could use some hints.
  107. Rotel vs NAD
  108. Assistance to improve 100W amplifier!
  109. Pre amp oscillate
  110. capacitor upgrade for Focal 2.150 amplifier
  111. pioneer a-88x recap,what else could be done
  112. Capacitive load testing
  113. Peavey CS 800x power problem
  114. Shunt Current Feedback
  115. Current Source amplifier for low impedance loads
  116. Hafler PC-19C Boards (Someone make a replacement?)
  117. Peavey cs4000 and cs4080....class?
  118. vintage pioneer ad-360 wiring instructions
  119. Need amp with 200 kOhm input impedance
  120. PCB for audio amplifier with TDA7250!
  121. Fairchild A00-6
  122. Problems PS Audio Delta 100
  123. Hopefully an easy one for you...
  124. Deconstructing Rowland 7
  125. 20~50W amp
  126. Replacement of IRF730 for Sonic Frontiers SFL-1
  127. 20watt amplifier
  128. Current mirrors as collector loads in a symmetric amp
  129. Can I? Stereo in > parallel out into 1 speaker?
  130. c3519 and a1386 transistor replacement
  131. Prefered type of amplifier
  132. Some not very happy experience with my used GFA-555 II AMP
  133. How about a JFET input, TUBE VAS+buffer, and MOSFET output?
  134. AVA Insight+ 240
  135. modern incarnations of Hiraga Le Monstre
  136. Noise Reduction Solutions
  137. schematic error
  138. AV400
  139. The double blind auditions thread
  140. Hum (ground loop?) issue when using HT pass through on SDS-254 amp
  141. PCB for QUASI Amplifier for Beginners with changes!?
  142. NAD 2100 protection on!
  143. Trying to add pre out/main in to integrated amplifier. Am I thinking right?
  144. THD measurement in spice
  145. Leach Amp Project
  146. Threshold Fet 2 Series 2 preamp
  147. sony HST-550W service manual question???
  148. NAD T762 - Circuit Diagram - Help!
  149. Another Crescendo ME Problem...
  150. Grundig Console KS 526
  151. Class S
  152. Simple sub amp a 10-year old could build?
  153. Borbely-Lender True Symmetry
  154. Cyrus I (issue 07)
  155. Schematic for audio amps
  156. Coupling cap 360deg phase shift??
  157. very first "blameless" amplifier prior 1969
  158. About optimos pcb
  159. How to simulate an OLG of the TMC amp
  160. NAD 3020 Rebuild - thermal breaker replacement/source?
  161. STK4143 MKII Datasheet
  162. Capacitors for this amp ?????
  163. PSA 150 S (pure sound amplifier)---help needed
  164. Amp is not bi-wired Speakers are :(
  165. pioneer sx 3800
  166. Help with a Hafler amp and AV receiver setup
  167. Krell KMA-100 DC Offset
  168. Headphone amp NE5532
  169. Limit Amplifier
  170. NAD 3100 amplifier tone POTs
  171. need data on ARC 4700 and ARC 4800
  172. Does it matter? (CLG/OLG question)
  173. Heatsinking drivers, do most drivers get very hot?
  174. Can anyone shed some light please?
  175. Is this heatsink suitable for this amp?
  176. At a loss on thins one
  177. MILLER CAPS ...
  178. Diodes instead of or across emitter resistors
  179. Need help with an old amp
  180. B&K AV6000 Sers II Running HOT
  181. How about even simpler with good clean sound?
  182. Biasing Question
  183. Odd regulator for frontend
  184. Rotel RA-312 - only one channel works
  185. Very simple class B amplifier
  186. BSH103 / BSH203 flicker noise corner
  187. Blameless-like amp burnt channel need help to prevent that happening again!
  188. Need meter light alternative for Sunfire Cinema Grands
  189. Aragon 4004 power amp channel imbalance
  190. Transistor switch audio mute
  191. this class a amp is good?
  192. P3A MODIFIED VERSION
  193. Rotel RB-970BX Upgrade?
  194. The most common cause of speaker buzz from an amp?
  195. can my sony amp be tweeked
  196. List of the best sounding amplifiers
  197. 400 WATTS into a 5.25" 45W RMS Speaker ?
  198. Upgrade for TIP35/36 outputs
  199. ohm's issue
  200. TEAC AG-V7700
  201. Technics SU-V7 not functioning
  202. Metempsychosis of a NAD
  203. Capacitor complacency
  204. sink or not ?
  205. Harman Kardon recycle project
  206. Marantz 2220 Right Channel Static
  207. 2 OHMS DRIVING
  208. Need a tough TO-220 Bipolar...
  209. Can a build up of dust effect the operation of a PCB?
  210. Dx hybrid amplifier will be produced soon
  211. 2N2907A instead of BC179
  212. Audioanalyse PA-60 (PA60) Power Amp - where to get Schematic ??
  213. Hafler DH 200 grounding
  214. Cyrus 2 amp distort when crank up volume
  215. Rotel RB-1010 power amp varistor!
  216. Two transformers on one AC plug?
  217. All CFP Non Global Feedback Amplifier
  218. JFET input, MOSFET VAS, VERTICAL output
  219. Should I remove These Caps?
  220. bench testing
  221. Dx Zuper A - a new amplifier to be released in July 17th - 2012
  222. Spice models for 2SD438/2SB560
  223. 2sc1318 transistor source or equivalent?
  224. How to take apart an old Kenwood receiver?
  225. Next Future Amplifier Jfet and Bjt
  226. Parallel Thermaltrak with standard bjt of same number?
  227. Phase Splitter
  228. "unfolded diff pair" headphone amp
  229. Heat sink size, Need help in determining.
  230. suggestions for improvement (Old Consumer Amp)
  231. Rail Lifter/Boost Circuit (ala TDA1562q)
  232. Problem with Pioneer QX4000 - have some info and circuit diagram!
  233. A little hum on my subwoofer
  234. BF822/MJE250 substitutes ?
  235. scrape sound in my subwoofer volume
  236. P3A Elliott
  237. Adccom GFA-585 Poping Noise & Blue cable from transformer is not plug in.
  238. Lateral output amp with jfet input
  239. spice model for 2SK711
  240. Info on this pair of A1943/C5200
  241. Which AMP should I use?
  242. Balance Pot Replacement
  243. Transistor Replacement 2N5551
  244. ONE MORE P3A QUESTION
  245. Proton am-30
  246. needed sony transformer specs
  247. I scored an entire 3000pc reel of Genuine Toshiba 2SK117-BL smd fets today!!!
  248. Preamps and line level...
  249. Some help please with Wharfedale 2050A.
  250. Simple Symetrical Amplifier

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