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  1. Amplifier testing on PC with DAAS
  2. Wharfedale EVP-15P amplifier fault
  3. Preamp to match Meridian 206 DS cd player
  4. Crown Com-Tech 400 Dead Channel?
  5. CLASS A POWER AMP
  6. Ultimatest Passive Tone Control Network based on James-Baxandall's topology wanted
  7. Adcom GFA-535 Transistor sub
  8. Pioneer A400 transformer
  9. Amplifier volume knob noise
  10. 100W Hi-Fi amplifier-Help!?
  11. Did someone had tested this current feedback power amp ?
  12. Technics SU-V40
  13. opa827 bypassing,pioneer A-8 tone controls
  14. What Degrades Channel Separation in a Stereo Power Amp?
  15. Recommendation for audio amplifier!?
  16. NAD C320 Can the protection be adjusted
  17. transistor help please
  18. NAIM Nait5i V2 transformer voltage
  19. help fixing a tone control circuit
  20. Jeff Rowland Model 7 mk2 bias adjustement
  21. transistor source
  22. Need help repairing Denon AVR 5803
  23. My first designed amp
  24. Hall-effect current sensor for output stage over-current protection
  25. floating supply amp with single supply
  26. WHICH IS BETTER TRANSISTOR MJE340/350 OR BD139/BD140
  27. Circuit Translation Services
  28. Cairn 4807 Integrated Amplifier Schematic/Service Manual wanted
  29. Aragon 4004 slow relay problem
  30. Sansui AU-6900 Questions and problems
  31. Oscillation only at raising slope
  32. Pure Reference Class A Monoblock
  33. Determining current limit
  34. digital amp modelling
  35. Help in improving a Cambridge P500 (more caps)
  36. MC250 Input Section Voltage Question
  37. Need help with Nad 3020A
  38. Jitter or phase noise in LTSPice
  39. The Sisian Amp
  40. Darlington or Sziklai (compound) pair output stages?
  41. Amplifier repair, some pointers please?
  42. Powering A Tough Speaker (Split from Simple Symmetrical Amplifier)
  43. how can the wattage be?
  44. Experience on diy gene kit A-15
  45. Schematic? Mark Levinson No. 33H
  46. Need help please
  47. Op amps and Pass Transistors
  48. 400W Mosfet Amp Problem
  49. Dx line up comparisons and pcb order info?
  50. Sizing output stage
  51. Other interesting electronics forums ?
  52. TGM4 amplifier
  53. Lateral FET, Folded drivers, Biasing?
  54. Capacitor Replacement Opinions? - Marcof PPA-1h MC Amp
  55. Best place to start with channel stuck in Protect?
  56. Formula for CR Xo pole?
  57. 100W audio ampligfier - schematic!
  58. APEX PA Amp Turn on off mute - need design support against obsolet devices
  59. Tekko scored some transistors!
  60. help repairing JVC A-k11 integr amp
  61. 80W Hybrid Audio Amplifier!
  62. VINTAGE AMPLIFIERS
  63. Rotel RB990BX protection circuit issue
  64. Denon DRA 55 receiver manual request
  65. Confused about input sensitivity
  66. Biasing lateral FET's, component placement
  67. difference between these two amplifiers
  68. NAD 7130
  69. Nakamichi PA5E MK II service manual / schematic
  70. Peplacement for 2N5638 JFET Chopper Transistor ...?
  71. PHASE LINEAR 400 SERIES TWO
  72. to Change tweeter protection device
  73. 2 Signals THD format
  74. Borrowed a friends AMP and now it doesn't work! HELP!
  75. SSA variants and references
  76. SAE 2200. Could use some hints.
  77. Rotel vs NAD
  78. Assistance to improve 100W amplifier!
  79. Pre amp oscillate
  80. capacitor upgrade for Focal 2.150 amplifier
  81. pioneer a-88x recap,what else could be done
  82. Capacitive load testing
  83. Shunt Current Feedback
  84. Current Source amplifier for low impedance loads
  85. Hafler PC-19C Boards (Someone make a replacement?)
  86. vintage pioneer ad-360 wiring instructions
  87. Need amp with 200 kOhm input impedance
  88. PCB for audio amplifier with TDA7250!
  89. Fairchild A00-6
  90. Problems PS Audio Delta 100
  91. Hopefully an easy one for you...
  92. Deconstructing Rowland 7
  93. 20~50W amp
  94. Replacement of IRF730 for Sonic Frontiers SFL-1
  95. 20watt amplifier
  96. Current mirrors as collector loads in a symmetric amp
  97. Can I? Stereo in > parallel out into 1 speaker?
  98. c3519 and a1386 transistor replacement
  99. Prefered type of amplifier
  100. Some not very happy experience with my used GFA-555 II AMP
  101. How about a JFET input, TUBE VAS+buffer, and MOSFET output?
  102. AVA Insight+ 240
  103. modern incarnations of Hiraga Le Monstre
  104. Noise Reduction Solutions
  105. schematic error
  106. AV400
  107. The double blind auditions thread
  108. Hum (ground loop?) issue when using HT pass through on SDS-254 amp
  109. PCB for QUASI Amplifier for Beginners with changes!?
  110. NAD 2100 protection on!
  111. Trying to add pre out/main in to integrated amplifier. Am I thinking right?
  112. THD measurement in spice
  113. Leach Amp Project
  114. Threshold Fet 2 Series 2 preamp
  115. sony HST-550W service manual question???
  116. NAD T762 - Circuit Diagram - Help!
  117. Another Crescendo ME Problem...
  118. Grundig Console KS 526
  119. Class S
  120. Simple sub amp a 10-year old could build?
  121. Borbely-Lender True Symmetry
  122. Cyrus I (issue 07)
  123. Schematic for audio amps
  124. Coupling cap 360deg phase shift??
  125. very first "blameless" amplifier prior 1969
  126. About optimos pcb
  127. How to simulate an OLG of the TMC amp
  128. NAD 3020 Rebuild - thermal breaker replacement/source?
  129. STK4143 MKII Datasheet
  130. Capacitors for this amp ?????
  131. PSA 150 S (pure sound amplifier)---help needed
  132. Amp is not bi-wired Speakers are :(
  133. pioneer sx 3800
  134. Help with a Hafler amp and AV receiver setup
  135. Krell KMA-100 DC Offset
  136. Headphone amp NE5532
  137. Limit Amplifier
  138. NAD 3100 amplifier tone POTs
  139. need data on ARC 4700 and ARC 4800
  140. Does it matter? (CLG/OLG question)
  141. Heatsinking drivers, do most drivers get very hot?
  142. Can anyone shed some light please?
  143. Is this heatsink suitable for this amp?
  144. At a loss on thins one
  145. MILLER CAPS ...
  146. Diodes instead of or across emitter resistors
  147. Need help with an old amp
  148. B&K AV6000 Sers II Running HOT
  149. How about even simpler with good clean sound?
  150. Biasing Question
  151. Odd regulator for frontend
  152. Rotel RA-312 - only one channel works
  153. Very simple class B amplifier
  154. BSH103 / BSH203 flicker noise corner
  155. Blameless-like amp burnt channel need help to prevent that happening again!
  156. Need meter light alternative for Sunfire Cinema Grands
  157. Aragon 4004 power amp channel imbalance
  158. Transistor switch audio mute
  159. this class a amp is good?
  160. P3A MODIFIED VERSION
  161. Rotel RB-970BX Upgrade?
  162. The most common cause of speaker buzz from an amp?
  163. can my sony amp be tweeked
  164. List of the best sounding amplifiers
  165. 400 WATTS into a 5.25" 45W RMS Speaker ?
  166. Upgrade for TIP35/36 outputs
  167. ohm's issue
  168. TEAC AG-V7700
  169. Technics SU-V7 not functioning
  170. Metempsychosis of a NAD
  171. Capacitor complacency
  172. sink or not ?
  173. Harman Kardon recycle project
  174. Marantz 2220 Right Channel Static
  175. 2 OHMS DRIVING
  176. Need a tough TO-220 Bipolar...
  177. Can a build up of dust effect the operation of a PCB?
  178. Dx hybrid amplifier will be produced soon
  179. 2N2907A instead of BC179
  180. Audioanalyse PA-60 (PA60) Power Amp - where to get Schematic ??
  181. Hafler DH 200 grounding
  182. Cyrus 2 amp distort when crank up volume
  183. Rotel RB-1010 power amp varistor!
  184. Two transformers on one AC plug?
  185. All CFP Non Global Feedback Amplifier
  186. JFET input, MOSFET VAS, VERTICAL output
  187. Should I remove These Caps?
  188. bench testing
  189. Dx Zuper A - a new amplifier to be released in July 17th - 2012
  190. Spice models for 2SD438/2SB560
  191. 2sc1318 transistor source or equivalent?
  192. How to take apart an old Kenwood receiver?
  193. Next Future Amplifier Jfet and Bjt
  194. Parallel Thermaltrak with standard bjt of same number?
  195. Phase Splitter
  196. "unfolded diff pair" headphone amp
  197. Heat sink size, Need help in determining.
  198. suggestions for improvement (Old Consumer Amp)
  199. Rail Lifter/Boost Circuit (ala TDA1562q)
  200. Problem with Pioneer QX4000 - have some info and circuit diagram!
  201. A little hum on my subwoofer
  202. BF822/MJE250 substitutes ?
  203. scrape sound in my subwoofer volume
  204. P3A Elliott
  205. Adccom GFA-585 Poping Noise & Blue cable from transformer is not plug in.
  206. Lateral output amp with jfet input
  207. spice model for 2SK711
  208. Info on this pair of A1943/C5200
  209. Which AMP should I use?
  210. Balance Pot Replacement
  211. Transistor Replacement 2N5551
  212. ONE MORE P3A QUESTION
  213. Proton am-30
  214. needed sony transformer specs
  215. I scored an entire 3000pc reel of Genuine Toshiba 2SK117-BL smd fets today!!!
  216. Preamps and line level...
  217. Some help please with Wharfedale 2050A.
  218. Simple Symetrical Amplifier
  219. Samson Servo 550 won't turn on
  220. replacement for 2SC4793 and 2SA1837
  221. Hybrid bright idea
  222. Low power amplifier
  223. Quad 44/405
  224. finding feedback line and gain controlling resistor
  225. How to bias Long tail pair....??
  226. LM3886 driving long cable instability
  227. emitter resistors - how to calculate for discrete opamp.
  228. Rotel RA-870 intermittent channel (simple fix?)
  229. 250W amp with IRFP240 & IRFP9240
  230. Quad 303 IEC power socket upgrade
  231. fixing nad c325bee
  232. Pioneer QX40000 - When replacing bulb, shorted bulb to ground. No now display
  233. Need help for Musical Fidelity B-1 Integrated Amp
  234. Dx Blame MKIII-Hx - Builder's thread
  235. Best Amp for my Speakers
  236. Could you recommend me a SAE technician
  237. Has anyone used this volume control?
  238. Transistors recommended for new designs
  239. Hughes AK-100
  240. Luxman Integrated Amplifier L550 ("L-550") Capacitor Replacement in the Power Supply
  241. Harman Kardon 775 mono amps earthing
  242. Medium power mosfet amp
  243. Adcom GFA 565 Diodes
  244. ADCOM GFA-585 simultaneous distortion alert
  245. Lateral/Vertical mosfet conversion
  246. Yamaha cdx1030 Capacitors
  247. Why a new A/V receiver can not sound as good as a 30-year-old one
  248. Help Identify YAMAHA amp
  249. Need help repairing Yorkville MP6
  250. Parasound Halo A23 problem

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