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  1. Amplifier volume knob noise
  2. 100W Hi-Fi amplifier-Help!?
  3. Did someone had tested this current feedback power amp ?
  4. Technics SU-V40
  5. opa827 bypassing,pioneer A-8 tone controls
  6. What Degrades Channel Separation in a Stereo Power Amp?
  7. Recommendation for audio amplifier!?
  8. NAD C320 Can the protection be adjusted
  9. transistor help please
  10. NAIM Nait5i V2 transformer voltage
  11. help fixing a tone control circuit
  12. Jeff Rowland Model 7 mk2 bias adjustement
  13. transistor source
  14. Need help repairing Denon AVR 5803
  15. My first designed amp
  16. Hall-effect current sensor for output stage over-current protection
  17. floating supply amp with single supply
  18. WHICH IS BETTER TRANSISTOR MJE340/350 OR BD139/BD140
  19. Circuit Translation Services
  20. Cairn 4807 Integrated Amplifier Schematic/Service Manual wanted
  21. Aragon 4004 slow relay problem
  22. Sansui AU-6900 Questions and problems
  23. Oscillation only at raising slope
  24. Pure Reference Class A Monoblock
  25. Determining current limit
  26. digital amp modelling
  27. Help in improving a Cambridge P500 (more caps)
  28. MC250 Input Section Voltage Question
  29. Need help with Nad 3020A
  30. Jitter or phase noise in LTSPice
  31. The Sisian Amp
  32. Darlington or Sziklai (compound) pair output stages?
  33. Amplifier repair, some pointers please?
  34. Powering A Tough Speaker (Split from Simple Symmetrical Amplifier)
  35. how can the wattage be?
  36. Experience on diy gene kit A-15
  37. Schematic? Mark Levinson No. 33H
  38. Need help please
  39. Op amps and Pass Transistors
  40. 400W Mosfet Amp Problem
  41. Dx line up comparisons and pcb order info?
  42. Sizing output stage
  43. Other interesting electronics forums ?
  44. TGM4 amplifier
  45. Lateral FET, Folded drivers, Biasing?
  46. Capacitor Replacement Opinions? - Marcof PPA-1h MC Amp
  47. Best place to start with channel stuck in Protect?
  48. Formula for CR Xo pole?
  49. 100W audio ampligfier - schematic!
  50. APEX PA Amp Turn on off mute - need design support against obsolet devices
  51. Tekko scored some transistors!
  52. help repairing JVC A-k11 integr amp
  53. 80W Hybrid Audio Amplifier!
  54. VINTAGE AMPLIFIERS
  55. Rotel RB990BX protection circuit issue
  56. Denon DRA 55 receiver manual request
  57. Confused about input sensitivity
  58. Biasing lateral FET's, component placement
  59. difference between these two amplifiers
  60. NAD 7130
  61. Nakamichi PA5E MK II service manual / schematic
  62. Peplacement for 2N5638 JFET Chopper Transistor ...?
  63. PHASE LINEAR 400 SERIES TWO
  64. to Change tweeter protection device
  65. 2 Signals THD format
  66. Borrowed a friends AMP and now it doesn't work! HELP!
  67. SSA variants and references
  68. SAE 2200. Could use some hints.
  69. Rotel vs NAD
  70. Assistance to improve 100W amplifier!
  71. Pre amp oscillate
  72. capacitor upgrade for Focal 2.150 amplifier
  73. pioneer a-88x recap,what else could be done
  74. Capacitive load testing
  75. Shunt Current Feedback
  76. Current Source amplifier for low impedance loads
  77. Hafler PC-19C Boards (Someone make a replacement?)
  78. vintage pioneer ad-360 wiring instructions
  79. Need amp with 200 kOhm input impedance
  80. PCB for audio amplifier with TDA7250!
  81. Fairchild A00-6
  82. Problems PS Audio Delta 100
  83. Hopefully an easy one for you...
  84. Deconstructing Rowland 7
  85. 20~50W amp
  86. Replacement of IRF730 for Sonic Frontiers SFL-1
  87. 20watt amplifier
  88. Current mirrors as collector loads in a symmetric amp
  89. Can I? Stereo in > parallel out into 1 speaker?
  90. c3519 and a1386 transistor replacement
  91. Prefered type of amplifier
  92. Some not very happy experience with my used GFA-555 II AMP
  93. How about a JFET input, TUBE VAS+buffer, and MOSFET output?
  94. AVA Insight+ 240
  95. modern incarnations of Hiraga Le Monstre
  96. Noise Reduction Solutions
  97. schematic error
  98. AV400
  99. The double blind auditions thread
  100. Hum (ground loop?) issue when using HT pass through on SDS-254 amp
  101. PCB for QUASI Amplifier for Beginners with changes!?
  102. NAD 2100 protection on!
  103. Trying to add pre out/main in to integrated amplifier. Am I thinking right?
  104. THD measurement in spice
  105. Leach Amp Project
  106. Threshold Fet 2 Series 2 preamp
  107. sony HST-550W service manual question???
  108. NAD T762 - Circuit Diagram - Help!
  109. Another Crescendo ME Problem...
  110. Grundig Console KS 526
  111. Class S
  112. Simple sub amp a 10-year old could build?
  113. Borbely-Lender True Symmetry
  114. Cyrus I (issue 07)
  115. Schematic for audio amps
  116. Coupling cap 360deg phase shift??
  117. very first "blameless" amplifier prior 1969
  118. About optimos pcb
  119. How to simulate an OLG of the TMC amp
  120. NAD 3020 Rebuild - thermal breaker replacement/source?
  121. STK4143 MKII Datasheet
  122. Capacitors for this amp ?????
  123. PSA 150 S (pure sound amplifier)---help needed
  124. Amp is not bi-wired Speakers are :(
  125. pioneer sx 3800
  126. Help with a Hafler amp and AV receiver setup
  127. Krell KMA-100 DC Offset
  128. Headphone amp NE5532
  129. Limit Amplifier
  130. NAD 3100 amplifier tone POTs
  131. need data on ARC 4700 and ARC 4800
  132. Does it matter? (CLG/OLG question)
  133. Heatsinking drivers, do most drivers get very hot?
  134. Can anyone shed some light please?
  135. Is this heatsink suitable for this amp?
  136. At a loss on thins one
  137. MILLER CAPS ...
  138. Diodes instead of or across emitter resistors
  139. Need help with an old amp
  140. B&K AV6000 Sers II Running HOT
  141. How about even simpler with good clean sound?
  142. Biasing Question
  143. Odd regulator for frontend
  144. Rotel RA-312 - only one channel works
  145. Very simple class B amplifier
  146. BSH103 / BSH203 flicker noise corner
  147. Blameless-like amp burnt channel need help to prevent that happening again!
  148. Need meter light alternative for Sunfire Cinema Grands
  149. Aragon 4004 power amp channel imbalance
  150. Transistor switch audio mute
  151. this class a amp is good?
  152. P3A MODIFIED VERSION
  153. Rotel RB-970BX Upgrade?
  154. The most common cause of speaker buzz from an amp?
  155. can my sony amp be tweeked
  156. List of the best sounding amplifiers
  157. 400 WATTS into a 5.25" 45W RMS Speaker ?
  158. Upgrade for TIP35/36 outputs
  159. ohm's issue
  160. TEAC AG-V7700
  161. Technics SU-V7 not functioning
  162. Metempsychosis of a NAD
  163. Capacitor complacency
  164. sink or not ?
  165. Harman Kardon recycle project
  166. Marantz 2220 Right Channel Static
  167. 2 OHMS DRIVING
  168. Need a tough TO-220 Bipolar...
  169. Can a build up of dust effect the operation of a PCB?
  170. Dx hybrid amplifier will be produced soon
  171. 2N2907A instead of BC179
  172. Audioanalyse PA-60 (PA60) Power Amp - where to get Schematic ??
  173. Hafler DH 200 grounding
  174. Cyrus 2 amp distort when crank up volume
  175. Rotel RB-1010 power amp varistor!
  176. Two transformers on one AC plug?
  177. All CFP Non Global Feedback Amplifier
  178. JFET input, MOSFET VAS, VERTICAL output
  179. Should I remove These Caps?
  180. bench testing
  181. Dx Zuper A - a new amplifier to be released in July 17th - 2012
  182. Spice models for 2SD438/2SB560
  183. 2sc1318 transistor source or equivalent?
  184. How to take apart an old Kenwood receiver?
  185. Next Future Amplifier Jfet and Bjt
  186. Parallel Thermaltrak with standard bjt of same number?
  187. Phase Splitter
  188. "unfolded diff pair" headphone amp
  189. Heat sink size, Need help in determining.
  190. suggestions for improvement (Old Consumer Amp)
  191. Rail Lifter/Boost Circuit (ala TDA1562q)
  192. Problem with Pioneer QX4000 - have some info and circuit diagram!
  193. A little hum on my subwoofer
  194. BF822/MJE250 substitutes ?
  195. scrape sound in my subwoofer volume
  196. P3A Elliott
  197. Adccom GFA-585 Poping Noise & Blue cable from transformer is not plug in.
  198. Lateral output amp with jfet input
  199. spice model for 2SK711
  200. Info on this pair of A1943/C5200
  201. Which AMP should I use?
  202. Balance Pot Replacement
  203. Transistor Replacement 2N5551
  204. ONE MORE P3A QUESTION
  205. Proton am-30
  206. needed sony transformer specs
  207. I scored an entire 3000pc reel of Genuine Toshiba 2SK117-BL smd fets today!!!
  208. Preamps and line level...
  209. Some help please with Wharfedale 2050A.
  210. Simple Symetrical Amplifier
  211. Samson Servo 550 won't turn on
  212. replacement for 2SC4793 and 2SA1837
  213. Hybrid bright idea
  214. Low power amplifier
  215. Quad 44/405
  216. finding feedback line and gain controlling resistor
  217. How to bias Long tail pair....??
  218. LM3886 driving long cable instability
  219. emitter resistors - how to calculate for discrete opamp.
  220. Rotel RA-870 intermittent channel (simple fix?)
  221. 250W amp with IRFP240 & IRFP9240
  222. Quad 303 IEC power socket upgrade
  223. fixing nad c325bee
  224. Pioneer QX40000 - When replacing bulb, shorted bulb to ground. No now display
  225. Need help for Musical Fidelity B-1 Integrated Amp
  226. Dx Blame MKIII-Hx - Builder's thread
  227. Best Amp for my Speakers
  228. Could you recommend me a SAE technician
  229. Has anyone used this volume control?
  230. Transistors recommended for new designs
  231. Hughes AK-100
  232. Luxman Integrated Amplifier L550 ("L-550") Capacitor Replacement in the Power Supply
  233. Harman Kardon 775 mono amps earthing
  234. Medium power mosfet amp
  235. Adcom GFA 565 Diodes
  236. ADCOM GFA-585 simultaneous distortion alert
  237. Lateral/Vertical mosfet conversion
  238. Yamaha cdx1030 Capacitors
  239. Why a new A/V receiver can not sound as good as a 30-year-old one
  240. Help Identify YAMAHA amp
  241. Need help repairing Yorkville MP6
  242. Parasound Halo A23 problem
  243. vintage amp
  244. rotel michi and atc schematics here...
  245. Hx-Home Edition and Hx Mini Edition will be released December, 24th
  246. Minimizing dc offset in simple amplifiers
  247. Naim Nap 250 (135) specs
  248. current feed back amplifier
  249. Pioneer SX-1250/SX-5590 schematics for repair
  250. Any crazy idea?

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