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  1. Looks like a city
  2. Symasym 5.3 PCB
  3. Schematic for old PS Model Two amp
  4. ~ 50 WPC Class A Kit for existing Trafos?
  5. Unknown Amplifier.
  6. Amp design for subwoofer and wideband duty
  7. mini amp
  8. Krell KSA-100S System soft-start resistor
  9. Yamaha CS-70R Schematic
  10. Peavey PMA-200 amp loud buzz and DC on outputs
  11. adaptive output impedance?
  12. Can a power line fault have this much effect?
  13. New Amplifier Technology
  14. role of cap in neg f.b. loop?
  15. Ess Transar current source amp?
  16. Technics Amplifier Overload problem
  17. SOT-227 water block?
  18. Summing two amplifier outputs with just a resistor
  19. Purpose of Capacitors Around Output MOSFET's??
  20. Anyone got "Current dumping review" by Michael McLoughlin?
  21. Krell KSA-100S capacitor Help
  22. RCA SK Series
  23. Latest project USB controlled mixer with digital pots.
  24. Edcor OPTs for Class A ss amps
  25. Sony amp feedback
  26. What am i doing wrong, why wont my JLH operate in class A / get warm?
  27. Crown XLS 602
  28. Newer = Better?
  29. Adcom GFP-565 - Just in Case......
  30. LM4562 opamp crackling when trying to drive headphones.
  31. The mu-amp revisited
  32. Small earth hum, what could be a possible cause?
  33. Emotiva XPA-3
  34. Help for PCB for PWM controler
  35. SMPS for Class A amp?
  36. AF filter using opamps - substitution of opamps
  37. Amplifier for driver... what class?
  38. schematic of Phonic PWA 2200 power amp?
  39. Another... Which amp should I build?
  40. Pop to speakers when power strip is shut off
  41. DC Filter against humming Toroidals - Summary of the most interesting Comments
  42. Indirect feedback with FETs
  43. Help with JFET buffer!
  44. Simple BUF634 buffer schematic?
  45. PSS audio Essence 308 Amp.
  46. Arcam Alpha 3
  47. Audiolab 8000P Power Amp
  48. Custom Transistors
  49. Is Tony Brady still here - looking for Onix Info
  50. Look what I just bought--FOUR Marantz MA-24s.
  51. Shunt Regulated JLH
  52. Hi-Fidelity PA Amp out there?
  53. Symasym done differently, clean Hi Fi amplifier P12W4R
  54. a musical universal solution
  55. sony ta-f444es tweeks
  56. Cleaning dust from old amp - advice please.
  57. The missing piece, any ideas?
  58. behringer powered speaker
  59. Powered speaker: Sound decays in 2 seconds
  60. input of stomp boxes
  61. 100watt MOSFET Power Amplifier
  62. LJM-L10 supply question
  63. SANSUI 2301
  64. LSK389, LSK170, LSK174
  65. What's your thought about used components?
  66. Help modifying a 2-way amp
  67. mixed (lateral + vertical) MOSFET paralelling
  68. Altec 9440A - cloning best solid state amp ever
  69. Adcom GFA-555 Leaky Power Caps?
  70. Definitives
  71. McIntosh MA7000 overhiting
  72. Nikko Beta 20 preamp
  73. jFET amp with current NFB
  74. Dual-jFET 2SK146 and two single jFETs 2SK147 in parallel Operation in Luxman's L550
  75. pre/amp . compat or not
  76. Need A5 Schematic
  77. diy short circuit protection
  78. Repairing a Rega Elex Integrated Amplifier
  79. Seeking NOS 2SK162
  80. Class A Kits
  81. LM317 for output stage
  82. A simple quasi-complementary 50 watts amp
  83. Leach Capacitor Upgrade
  84. Bored....what to do with all these old parts in the junk box?!
  85. Amp to power 1x15", 4x5" & 2xTweeter
  86. Quad 405 cheap kits on ebay
  87. Best source or replacement for KTA1700/KTC2800 transistors?
  88. tranformer noise
  89. Can anyone ID this rather unhealthy noise coming from my amp?
  90. JBL 6290 amplifier mods on Pcb
  91. Learning Repair Need Help With Sub Amp
  92. Cause of dc thump at turn on
  93. NAD 3020A transistors heating up.
  94. 2SA1024/2SC3206 substitution sugestion
  95. No - feedback amplifier
  96. Technics SU-V7
  97. Denon PMA-860 schematic/service manual
  98. ultra low noise low distortion preamplifier needed
  99. Easiest/Economical way to build multichannel Class A/B amp? Suggestions Welcome
  100. build a simple yet effective volume control (attenuation) of analog ?
  101. Krill output stage + tube preamp
  102. Elkatone Amp with problems
  103. No Power on High Side Bias Com-Tech 400
  104. Old amp, power out and fault?
  105. NAD 3020A Muting circuit??
  106. Wanted: Behringer Europower EP2500 Schematics
  107. Circuit or project for an active filter for subwoofer
  108. why isnt my amp doing what its supposed to.
  109. Yamaha PD2500
  110. audiolab 8000
  111. Improved 2W current sources (II)
  112. Bridge amp with LM833 and BD139/BD140 problems - please help.
  113. Linn LK85 (LK-85) and LK140 (LK-140) schematic needed
  114. Microphone wiretapping, for further distance
  115. Where do I plug this into!? Help! ?Heat Sink?
  116. LME 49810 with NMOS output stage 1000W @ 4 OHM
  117. Solid state tutorial
  118. Amplifier burning resistor.
  119. Pioneer SA7300 amp
  120. Massive High Power Solid State Integrated Amplifiers - Overview wanted
  121. Replace a '80 Class A stereo with a Class T/D
  122. PS Audio Delta 100
  123. Output transistor suggestions for McIntosh MC2105
  124. Easy to do audio Hi Fi amplifier P16W2R
  125. NORTON KP600
  126. How to reduce the gain of the symasym 5_3?
  127. TGM5 - all-BJT Simple Symmetric Amplifier
  128. Why 3 dB?
  129. Dirty connections in Technics su-v7
  130. Super clean audio amplifier P8W4R
  131. "The Wire AMP" Class A/AB Power Amplifier based on the LME49830 with Lateral Mosfets
  132. Improving clipping
  133. Parallel Lateral FETs
  134. Need chassis case for new amp!!!
  135. Hartke Series 2000 Bass amplifier. Schematic request
  136. Alluminium chassis where I can buy it
  137. Self load invariant supply voltage
  138. JVC A-K300B stereo receiver
  139. P.L. Taylor "Audio power amplifier" 1973 anyone have article?
  140. Lateral FET current limiting
  141. Nishiki Amplifier with 2SC5200
  142. SIMPLE BUT EFICIENT AUDIO AMPLIFIER !
  143. Oh Shoot! Did I Kill a Channel?
  144. Marantz SR8200
  145. Feedback Wanted - Hantek USB Oscilloscopes
  146. Diamond Buffer /w "bootstrapped power supply"
  147. hard to find!!!
  148. transistor mounting technique ? Heatsink
  149. Comment on the schematic
  150. V-out DAC directly into power output stage (like an F4)?
  151. 100 Watt Class A Power Amp
  152. Metal Film or Carbon Film Resistors in Marcof PPA-1h ??
  153. PL 700 Series II went psycho!
  154. SEC DIY 2011 Speaker Show!
  155. 500W 2sk135, 2sj50 amplifier
  156. Grounding on single rail ? (building aspect)
  157. Audio Inovative Ideas and More ...
  158. Marshall 8100 valvestate tube problem help
  159. Identifying the stages of an amplifier (understanding)
  160. Post mortem of an ESI nEar 05 studio monitor with pictures
  161. What is this?
  162. Event TR6 Power Output Issues
  163. Pioneer sa-610
  164. Crate TX50 schematic
  165. parasound hca 800ii
  166. Draw schematics using your browser and share them
  167. The high slew rate design that time forgot?
  168. Problem with 80W mosfet amplifier - help me please
  169. elctrocompaniet ec 4.7 mkI
  170. Feedback Takeoff Point ?
  171. Adcom GFA-555 + Onkyo TX-NR709 Mute Thump?
  172. Question about Rotel RB-880 amplifier
  173. New amplifier problems
  174. 100W Hi-Fi audio amplifier!
  175. Technics SU-X920D
  176. CROWN POWERTECH 1
  177. 2SK135 - 2SJ50 -12W
  178. What value bypass caps for 1uf, 2.2uf and 3.3uf?
  179. Building A (Poorly Desinged) Symmetrical Emitter Feedback Amplifier
  180. This old amp is good?
  181. Electrolytic Cap can I replace with film
  182. Sub a silicon trans for a germanium
  183. Anybody have a formal loudness circuit?
  184. any question...some questions?
  185. output inductor//resistor placement
  186. some cuestions help!!!
  187. Help! What would be the input inpedance of this input stage?
  188. Parts placement in enclosure tips
  189. Krell FPB200 schematic or service manual anybody please?
  190. LatFET OPS.
  191. Pioneer SX1010 issue
  192. high impedance load
  193. Sony STR-VX750 no audio & no volume control
  194. LM741 :-)
  195. LME49811TB 500W amp module
  196. Son of Ampzilla VI limiters
  197. PCB Layout Process and Guidelines?
  198. QQQ (Quick Quad Question...)
  199. TRACE ELLIOT ...
  200. Phils Amp - Progress?
  201. Mains Hum - Are cheap caps worth it?
  202. standard AB bias heatsinking versus enriched class A
  203. Make your own custom ICs for very cheap !
  204. class A to class AB switch
  205. Quad 405 clone
  206. Guitar Effect pedals input/output specs
  207. FIND: ORIGINAL OBSOLETE TRANSISTORS
  208. Help! I let some magic smoke out :(
  209. L-speed current sea-saw circuit, simpler the better
  210. Thorens Restek.. Vector Pre Amp
  211. connecting two 110v amplifiers in series on 220v mains
  212. Postive output voltage only
  213. emotiva upa2
  214. Super distorted old amplifier problem
  215. Recommend amplifier to build
  216. Transistor case coupling??
  217. Faulty amp?
  218. Nikoo A-300D, recapping dilemma...
  219. L12-2 CFP OUTPUT AMP 120W*2 8R
  220. SoundTech PowerSource1300 NOISE
  221. Anyone tried the Renardson Output Stage ?
  222. Simple Killer amplifier
  223. Rotel 820AX problem - any known issues?
  224. Cause of extreme voltage swing at turn on
  225. Amplifier testing on PC with DAAS
  226. Wharfedale EVP-15P amplifier fault
  227. Preamp to match Meridian 206 DS cd player
  228. Crown Com-Tech 400 Dead Channel?
  229. CLASS A POWER AMP
  230. Ultimatest Passive Tone Control Network based on James-Baxandall's topology wanted
  231. Adcom GFA-535 Transistor sub
  232. Pioneer A400 transformer
  233. Amplifier volume knob noise
  234. 100W Hi-Fi amplifier-Help!?
  235. Did someone had tested this current feedback power amp ?
  236. Technics SU-V40
  237. opa827 bypassing,pioneer A-8 tone controls
  238. What Degrades Channel Separation in a Stereo Power Amp?
  239. Recommendation for audio amplifier!?
  240. NAD C320 Can the protection be adjusted
  241. transistor help please
  242. NAIM Nait5i V2 transformer voltage
  243. help fixing a tone control circuit
  244. Jeff Rowland Model 7 mk2 bias adjustement
  245. transistor source
  246. Need help repairing Denon AVR 5803
  247. My first designed amp
  248. Hall-effect current sensor for output stage over-current protection
  249. floating supply amp with single supply
  250. WHICH IS BETTER TRANSISTOR MJE340/350 OR BD139/BD140

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