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  1. V-out DAC directly into power output stage (like an F4)?
  2. 100 Watt Class A Power Amp
  3. Metal Film or Carbon Film Resistors in Marcof PPA-1h ??
  4. PL 700 Series II went psycho!
  5. SEC DIY 2011 Speaker Show!
  6. 500W 2sk135, 2sj50 amplifier
  7. Grounding on single rail ? (building aspect)
  8. Audio Inovative Ideas and More ...
  9. Marshall 8100 valvestate tube problem help
  10. Identifying the stages of an amplifier (understanding)
  11. Post mortem of an ESI nEar 05 studio monitor with pictures
  12. What is this?
  13. Event TR6 Power Output Issues
  14. Pioneer sa-610
  15. Crate TX50 schematic
  16. parasound hca 800ii
  17. Draw schematics using your browser and share them
  18. The high slew rate design that time forgot?
  19. Problem with 80W mosfet amplifier - help me please
  20. elctrocompaniet ec 4.7 mkI
  21. Feedback Takeoff Point ?
  22. Adcom GFA-555 + Onkyo TX-NR709 Mute Thump?
  23. Question about Rotel RB-880 amplifier
  24. New amplifier problems
  25. 100W Hi-Fi audio amplifier!
  26. Technics SU-X920D
  27. CROWN POWERTECH 1
  28. 2SK135 - 2SJ50 -12W
  29. What value bypass caps for 1uf, 2.2uf and 3.3uf?
  30. Building A (Poorly Desinged) Symmetrical Emitter Feedback Amplifier
  31. This old amp is good?
  32. Electrolytic Cap can I replace with film
  33. Sub a silicon trans for a germanium
  34. Anybody have a formal loudness circuit?
  35. any question...some questions?
  36. output inductor//resistor placement
  37. some cuestions help!!!
  38. Help! What would be the input inpedance of this input stage?
  39. Parts placement in enclosure tips
  40. Krell FPB200 schematic or service manual anybody please?
  41. LatFET OPS.
  42. Pioneer SX1010 issue
  43. high impedance load
  44. Sony STR-VX750 no audio & no volume control
  45. LM741 :-)
  46. LME49811TB 500W amp module
  47. Son of Ampzilla VI limiters
  48. PCB Layout Process and Guidelines?
  49. QQQ (Quick Quad Question...)
  50. TRACE ELLIOT ...
  51. Phils Amp - Progress?
  52. Mains Hum - Are cheap caps worth it?
  53. standard AB bias heatsinking versus enriched class A
  54. Make your own custom ICs for very cheap !
  55. class A to class AB switch
  56. Quad 405 clone
  57. Guitar Effect pedals input/output specs
  58. FIND: ORIGINAL OBSOLETE TRANSISTORS
  59. Help! I let some magic smoke out :(
  60. L-speed current sea-saw circuit, simpler the better
  61. Thorens Restek.. Vector Pre Amp
  62. connecting two 110v amplifiers in series on 220v mains
  63. Postive output voltage only
  64. emotiva upa2
  65. Super distorted old amplifier problem
  66. Recommend amplifier to build
  67. Transistor case coupling??
  68. Faulty amp?
  69. Nikoo A-300D, recapping dilemma...
  70. L12-2 CFP OUTPUT AMP 120W*2 8R
  71. SoundTech PowerSource1300 NOISE
  72. Anyone tried the Renardson Output Stage ?
  73. Simple Killer amplifier
  74. Rotel 820AX problem - any known issues?
  75. Cause of extreme voltage swing at turn on
  76. Amplifier testing on PC with DAAS
  77. Wharfedale EVP-15P amplifier fault
  78. Preamp to match Meridian 206 DS cd player
  79. Crown Com-Tech 400 Dead Channel?
  80. CLASS A POWER AMP
  81. Ultimatest Passive Tone Control Network based on James-Baxandall's topology wanted
  82. Adcom GFA-535 Transistor sub
  83. Pioneer A400 transformer
  84. Amplifier volume knob noise
  85. 100W Hi-Fi amplifier-Help!?
  86. Did someone had tested this current feedback power amp ?
  87. Technics SU-V40
  88. opa827 bypassing,pioneer A-8 tone controls
  89. What Degrades Channel Separation in a Stereo Power Amp?
  90. Recommendation for audio amplifier!?
  91. NAD C320 Can the protection be adjusted
  92. transistor help please
  93. NAIM Nait5i V2 transformer voltage
  94. help fixing a tone control circuit
  95. Jeff Rowland Model 7 mk2 bias adjustement
  96. transistor source
  97. Need help repairing Denon AVR 5803
  98. My first designed amp
  99. Hall-effect current sensor for output stage over-current protection
  100. floating supply amp with single supply
  101. WHICH IS BETTER TRANSISTOR MJE340/350 OR BD139/BD140
  102. Circuit Translation Services
  103. Cairn 4807 Integrated Amplifier Schematic/Service Manual wanted
  104. Aragon 4004 slow relay problem
  105. Marshall Amp GR100RCD Transistor Help
  106. Sansui AU-6900 Questions and problems
  107. Thump when switching amplifier on (guitar amp)
  108. Oscillation only at raising slope
  109. Pure Reference Class A Monoblock
  110. Determining current limit
  111. digital amp modelling
  112. Help in improving a Cambridge P500 (more caps)
  113. MC250 Input Section Voltage Question
  114. Need help with Nad 3020A
  115. Jitter or phase noise in LTSPice
  116. The Sisian Amp
  117. Darlington or Sziklai (compound) pair output stages?
  118. Amplifier repair, some pointers please?
  119. Powering A Tough Speaker (Split from Simple Symmetrical Amplifier)
  120. how can the wattage be?
  121. Experience on diy gene kit A-15
  122. Schematic? Mark Levinson No. 33H
  123. marshall mg100 hdfx
  124. Need help please
  125. Op amps and Pass Transistors
  126. 400W Mosfet Amp Problem
  127. Dx line up comparisons and pcb order info?
  128. Sizing output stage
  129. Other interesting electronics forums ?
  130. Peavey repair- change out one of a group of outputs?
  131. TGM4 amplifier
  132. Lateral FET, Folded drivers, Biasing?
  133. Capacitor Replacement Opinions? - Marcof PPA-1h MC Amp
  134. Best place to start with channel stuck in Protect?
  135. Formula for CR Xo pole?
  136. 100W audio ampligfier - schematic!
  137. APEX PA Amp Turn on off mute - need design support against obsolet devices
  138. Tekko scored some transistors!
  139. help repairing JVC A-k11 integr amp
  140. 80W Hybrid Audio Amplifier!
  141. VINTAGE AMPLIFIERS
  142. Rotel RB990BX protection circuit issue
  143. Denon DRA 55 receiver manual request
  144. Confused about input sensitivity
  145. Biasing lateral FET's, component placement
  146. difference between these two amplifiers
  147. NAD 7130
  148. Nakamichi PA5E MK II service manual / schematic
  149. Peplacement for 2N5638 JFET Chopper Transistor ...?
  150. PHASE LINEAR 400 SERIES TWO
  151. to Change tweeter protection device
  152. 2 Signals THD format
  153. Borrowed a friends AMP and now it doesn't work! HELP!
  154. SSA variants and references
  155. SAE 2200. Could use some hints.
  156. Rotel vs NAD
  157. Assistance to improve 100W amplifier!
  158. Pre amp oscillate
  159. capacitor upgrade for Focal 2.150 amplifier
  160. pioneer a-88x recap,what else could be done
  161. Capacitive load testing
  162. Peavey CS 800x power problem
  163. Shunt Current Feedback
  164. Current Source amplifier for low impedance loads
  165. Hafler PC-19C Boards (Someone make a replacement?)
  166. Peavey cs4000 and cs4080....class?
  167. vintage pioneer ad-360 wiring instructions
  168. Need amp with 200 kOhm input impedance
  169. PCB for audio amplifier with TDA7250!
  170. Fairchild A00-6
  171. Problems PS Audio Delta 100
  172. Hopefully an easy one for you...
  173. Deconstructing Rowland 7
  174. 20~50W amp
  175. Replacement of IRF730 for Sonic Frontiers SFL-1
  176. 20watt amplifier
  177. Current mirrors as collector loads in a symmetric amp
  178. Can I? Stereo in > parallel out into 1 speaker?
  179. c3519 and a1386 transistor replacement
  180. Prefered type of amplifier
  181. Some not very happy experience with my used GFA-555 II AMP
  182. How about a JFET input, TUBE VAS+buffer, and MOSFET output?
  183. AVA Insight+ 240
  184. modern incarnations of Hiraga Le Monstre
  185. Noise Reduction Solutions
  186. schematic error
  187. AV400
  188. The double blind auditions thread
  189. Hum (ground loop?) issue when using HT pass through on SDS-254 amp
  190. PCB for QUASI Amplifier for Beginners with changes!?
  191. NAD 2100 protection on!
  192. Trying to add pre out/main in to integrated amplifier. Am I thinking right?
  193. THD measurement in spice
  194. Leach Amp Project
  195. Threshold Fet 2 Series 2 preamp
  196. sony HST-550W service manual question???
  197. NAD T762 - Circuit Diagram - Help!
  198. Another Crescendo ME Problem...
  199. Grundig Console KS 526
  200. Class S
  201. Simple sub amp a 10-year old could build?
  202. Borbely-Lender True Symmetry
  203. Cyrus I (issue 07)
  204. Schematic for audio amps
  205. Coupling cap 360deg phase shift??
  206. very first "blameless" amplifier prior 1969
  207. About optimos pcb
  208. How to simulate an OLG of the TMC amp
  209. NAD 3020 Rebuild - thermal breaker replacement/source?
  210. STK4143 MKII Datasheet
  211. Capacitors for this amp ?????
  212. PSA 150 S (pure sound amplifier)---help needed
  213. Amp is not bi-wired Speakers are :(
  214. pioneer sx 3800
  215. Help with a Hafler amp and AV receiver setup
  216. Krell KMA-100 DC Offset
  217. Headphone amp NE5532
  218. Limit Amplifier
  219. NAD 3100 amplifier tone POTs
  220. need data on ARC 4700 and ARC 4800
  221. Does it matter? (CLG/OLG question)
  222. Heatsinking drivers, do most drivers get very hot?
  223. Can anyone shed some light please?
  224. Is this heatsink suitable for this amp?
  225. At a loss on thins one
  226. MILLER CAPS ...
  227. Diodes instead of or across emitter resistors
  228. Need help with an old amp
  229. B&K AV6000 Sers II Running HOT
  230. How about even simpler with good clean sound?
  231. Biasing Question
  232. Odd regulator for frontend
  233. Rotel RA-312 - only one channel works
  234. Very simple class B amplifier
  235. BSH103 / BSH203 flicker noise corner
  236. Blameless-like amp burnt channel need help to prevent that happening again!
  237. Need meter light alternative for Sunfire Cinema Grands
  238. Aragon 4004 power amp channel imbalance
  239. Transistor switch audio mute
  240. this class a amp is good?
  241. P3A MODIFIED VERSION
  242. Rotel RB-970BX Upgrade?
  243. The most common cause of speaker buzz from an amp?
  244. can my sony amp be tweeked
  245. List of the best sounding amplifiers
  246. 400 WATTS into a 5.25" 45W RMS Speaker ?
  247. Upgrade for TIP35/36 outputs
  248. ohm's issue
  249. TEAC AG-V7700
  250. Technics SU-V7 not functioning

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