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  1. What value bypass caps for 1uf, 2.2uf and 3.3uf?
  2. Building A (Poorly Desinged) Symmetrical Emitter Feedback Amplifier
  3. This old amp is good?
  4. Electrolytic Cap can I replace with film
  5. Sub a silicon trans for a germanium
  6. Anybody have a formal loudness circuit?
  7. any question...some questions?
  8. output inductor//resistor placement
  9. some cuestions help!!!
  10. Help! What would be the input inpedance of this input stage?
  11. Parts placement in enclosure tips
  12. Krell FPB200 schematic or service manual anybody please?
  13. LatFET OPS.
  14. Pioneer SX1010 issue
  15. high impedance load
  16. Sony STR-VX750 no audio & no volume control
  17. LM741 :-)
  18. LME49811TB 500W amp module
  19. Son of Ampzilla VI limiters
  20. PCB Layout Process and Guidelines?
  21. QQQ (Quick Quad Question...)
  22. TRACE ELLIOT ...
  23. Phils Amp - Progress?
  24. Mains Hum - Are cheap caps worth it?
  25. standard AB bias heatsinking versus enriched class A
  26. Make your own custom ICs for very cheap !
  27. class A to class AB switch
  28. Quad 405 clone
  29. FIND: ORIGINAL OBSOLETE TRANSISTORS
  30. Help! I let some magic smoke out :(
  31. L-speed current sea-saw circuit, simpler the better
  32. Thorens Restek.. Vector Pre Amp
  33. connecting two 110v amplifiers in series on 220v mains
  34. Postive output voltage only
  35. emotiva upa2
  36. Super distorted old amplifier problem
  37. Recommend amplifier to build
  38. Transistor case coupling??
  39. Faulty amp?
  40. Nikoo A-300D, recapping dilemma...
  41. L12-2 CFP Output amp 120W*2 8R
  42. SoundTech PowerSource1300 NOISE
  43. Anyone tried the Renardson Output Stage ?
  44. Simple Killer amplifier
  45. Rotel 820AX problem - any known issues?
  46. Cause of extreme voltage swing at turn on
  47. Amplifier testing on PC with DAAS
  48. Wharfedale EVP-15P amplifier fault
  49. Preamp to match Meridian 206 DS cd player
  50. Crown Com-Tech 400 Dead Channel?
  51. CLASS A POWER AMP
  52. Ultimatest Passive Tone Control Network based on James-Baxandall's topology wanted
  53. Adcom GFA-535 Transistor sub
  54. Pioneer A400 transformer
  55. Amplifier volume knob noise
  56. 100W Hi-Fi amplifier-Help!?
  57. Did someone had tested this current feedback power amp ?
  58. Technics SU-V40
  59. opa827 bypassing,pioneer A-8 tone controls
  60. What Degrades Channel Separation in a Stereo Power Amp?
  61. Recommendation for audio amplifier!?
  62. NAD C320 Can the protection be adjusted
  63. transistor help please
  64. NAIM Nait5i V2 transformer voltage
  65. help fixing a tone control circuit
  66. Jeff Rowland Model 7 mk2 bias adjustement
  67. transistor source
  68. Need help repairing Denon AVR 5803
  69. My first designed amp
  70. Hall-effect current sensor for output stage over-current protection
  71. floating supply amp with single supply
  72. WHICH IS BETTER TRANSISTOR MJE340/350 OR BD139/BD140
  73. Circuit Translation Services
  74. Cairn 4807 Integrated Amplifier Schematic/Service Manual wanted
  75. Aragon 4004 slow relay problem
  76. Sansui AU-6900 Questions and problems
  77. Oscillation only at raising slope
  78. Pure Reference Class A Monoblock
  79. Determining current limit
  80. digital amp modelling
  81. Help in improving a Cambridge P500 (more caps)
  82. MC250 Input Section Voltage Question
  83. Need help with Nad 3020A
  84. Jitter or phase noise in LTSPice
  85. The Sisian Amp
  86. Darlington or Sziklai (compound) pair output stages?
  87. Amplifier repair, some pointers please?
  88. Powering A Tough Speaker (Split from Simple Symmetrical Amplifier)
  89. how can the wattage be?
  90. Experience on diy gene kit A-15
  91. Schematic? Mark Levinson No. 33H
  92. Need help please
  93. Op amps and Pass Transistors
  94. 400W Mosfet Amp Problem
  95. Dx line up comparisons and pcb order info?
  96. Sizing output stage
  97. Other interesting electronics forums ?
  98. TGM4 amplifier
  99. Lateral FET, Folded drivers, Biasing?
  100. Capacitor Replacement Opinions? - Marcof PPA-1h MC Amp
  101. Best place to start with channel stuck in Protect?
  102. Formula for CR Xo pole?
  103. 100W audio ampligfier - schematic!
  104. APEX PA Amp Turn on off mute - need design support against obsolet devices
  105. Tekko scored some transistors!
  106. help repairing JVC A-k11 integr amp
  107. 80W Hybrid Audio Amplifier!
  108. VINTAGE AMPLIFIERS
  109. Rotel RB990BX protection circuit issue
  110. Denon DRA 55 receiver manual request
  111. Confused about input sensitivity
  112. Biasing lateral FET's, component placement
  113. difference between these two amplifiers
  114. NAD 7130
  115. Nakamichi PA5E MK II service manual / schematic
  116. Peplacement for 2N5638 JFET Chopper Transistor ...?
  117. PHASE LINEAR 400 SERIES TWO
  118. to Change tweeter protection device
  119. 2 Signals THD format
  120. Borrowed a friends AMP and now it doesn't work! HELP!
  121. SSA variants and references
  122. SAE 2200. Could use some hints.
  123. Rotel vs NAD
  124. Assistance to improve 100W amplifier!
  125. Pre amp oscillate
  126. capacitor upgrade for Focal 2.150 amplifier
  127. pioneer a-88x recap,what else could be done
  128. Capacitive load testing
  129. Shunt Current Feedback
  130. Current Source amplifier for low impedance loads
  131. Hafler PC-19C Boards (Someone make a replacement?)
  132. vintage pioneer ad-360 wiring instructions
  133. Need amp with 200 kOhm input impedance
  134. PCB for audio amplifier with TDA7250!
  135. Fairchild A00-6
  136. Problems PS Audio Delta 100
  137. Hopefully an easy one for you...
  138. Deconstructing Rowland 7
  139. 20~50W amp
  140. Replacement of IRF730 for Sonic Frontiers SFL-1
  141. 20watt amplifier
  142. Current mirrors as collector loads in a symmetric amp
  143. Can I? Stereo in > parallel out into 1 speaker?
  144. c3519 and a1386 transistor replacement
  145. Prefered type of amplifier
  146. Some not very happy experience with my used GFA-555 II AMP
  147. How about a JFET input, TUBE VAS+buffer, and MOSFET output?
  148. AVA Insight+ 240
  149. modern incarnations of Hiraga Le Monstre
  150. Noise Reduction Solutions
  151. schematic error
  152. AV400
  153. The double blind auditions thread
  154. Hum (ground loop?) issue when using HT pass through on SDS-254 amp
  155. PCB for QUASI Amplifier for Beginners with changes!?
  156. NAD 2100 protection on!
  157. Trying to add pre out/main in to integrated amplifier. Am I thinking right?
  158. THD measurement in spice
  159. Leach Amp Project
  160. Threshold Fet 2 Series 2 preamp
  161. sony HST-550W service manual question???
  162. NAD T762 - Circuit Diagram - Help!
  163. Another Crescendo ME Problem...
  164. Grundig Console KS 526
  165. Class S
  166. Simple sub amp a 10-year old could build?
  167. Borbely-Lender True Symmetry
  168. Cyrus I (issue 07)
  169. Schematic for audio amps
  170. Coupling cap 360deg phase shift??
  171. very first "blameless" amplifier prior 1969
  172. About optimos pcb
  173. How to simulate an OLG of the TMC amp
  174. NAD 3020 Rebuild - thermal breaker replacement/source?
  175. STK4143 MKII Datasheet
  176. Capacitors for this amp ?????
  177. PSA 150 S (pure sound amplifier)---help needed
  178. Amp is not bi-wired Speakers are :(
  179. pioneer sx 3800
  180. Help with a Hafler amp and AV receiver setup
  181. Krell KMA-100 DC Offset
  182. Headphone amp NE5532
  183. Limit Amplifier
  184. NAD 3100 amplifier tone POTs
  185. need data on ARC 4700 and ARC 4800
  186. Does it matter? (CLG/OLG question)
  187. Heatsinking drivers, do most drivers get very hot?
  188. Can anyone shed some light please?
  189. Is this heatsink suitable for this amp?
  190. At a loss on thins one
  191. MILLER CAPS ...
  192. Diodes instead of or across emitter resistors
  193. Need help with an old amp
  194. B&K AV6000 Sers II Running HOT
  195. How about even simpler with good clean sound?
  196. Biasing Question
  197. Odd regulator for frontend
  198. Rotel RA-312 - only one channel works
  199. Very simple class B amplifier
  200. BSH103 / BSH203 flicker noise corner
  201. Blameless-like amp burnt channel need help to prevent that happening again!
  202. Need meter light alternative for Sunfire Cinema Grands
  203. Aragon 4004 power amp channel imbalance
  204. Transistor switch audio mute
  205. this class a amp is good?
  206. P3A MODIFIED VERSION
  207. Rotel RB-970BX Upgrade?
  208. The most common cause of speaker buzz from an amp?
  209. can my sony amp be tweeked
  210. List of the best sounding amplifiers
  211. 400 WATTS into a 5.25" 45W RMS Speaker ?
  212. Upgrade for TIP35/36 outputs
  213. ohm's issue
  214. TEAC AG-V7700
  215. Technics SU-V7 not functioning
  216. Metempsychosis of a NAD
  217. Capacitor complacency
  218. sink or not ?
  219. Harman Kardon recycle project
  220. Marantz 2220 Right Channel Static
  221. 2 OHMS DRIVING
  222. Need a tough TO-220 Bipolar...
  223. Can a build up of dust effect the operation of a PCB?
  224. Dx hybrid amplifier will be produced soon
  225. 2N2907A instead of BC179
  226. Audioanalyse PA-60 (PA60) Power Amp - where to get Schematic ??
  227. Hafler DH 200 grounding
  228. Cyrus 2 amp distort when crank up volume
  229. Rotel RB-1010 power amp varistor!
  230. Two transformers on one AC plug?
  231. All CFP Non Global Feedback Amplifier
  232. JFET input, MOSFET VAS, VERTICAL output
  233. Should I remove These Caps?
  234. bench testing
  235. Dx Zuper A - a new amplifier to be released in July 17th - 2012
  236. Spice models for 2SD438/2SB560
  237. 2sc1318 transistor source or equivalent?
  238. How to take apart an old Kenwood receiver?
  239. Next Future Amplifier Jfet and Bjt
  240. Parallel Thermaltrak with standard bjt of same number?
  241. Phase Splitter
  242. "unfolded diff pair" headphone amp
  243. Heat sink size, Need help in determining.
  244. suggestions for improvement (Old Consumer Amp)
  245. Rail Lifter/Boost Circuit (ala TDA1562q)
  246. Problem with Pioneer QX4000 - have some info and circuit diagram!
  247. A little hum on my subwoofer
  248. BF822/MJE250 substitutes ?
  249. scrape sound in my subwoofer volume
  250. P3A Elliott

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