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  1. High end audio?
  2. A mint Kenwood KA-907 amp is arriving, I need help/info/advice on restoring it.
  3. Small value caps (newbie alert)
  4. QSC MX-1500a problems
  5. Disaster NEED HELP PLS!
  6. Importance of "First Watt" ;)
  7. cross-quad and cascomp circuits
  8. output hum
  9. need help onkyo m-5000 and m-5140
  10. Delta 290 Arcam
  11. Elliott Sound MOSFET Power Amplifier
  12. 503 transistor
  13. Hafler DH220 Input Board Bottom Photo
  14. Build NAIM clone
  15. krell kas power suppy hum
  16. help me narrow down the distortion in my marantz 2238B
  17. Build A.... Quad?
  18. DC protection for leach
  19. spice models
  20. Need Schematic for Parasound HCA 2200 II
  21. selecting a transistor
  22. Parasound HAC2200II, schematic needed
  23. Protection Circuit - Crowbar - Zener vs SBS
  24. Overload protection circuit. Does it work correctly?
  25. I need help from Portugal, informs related Portuguese equipment brands and more....
  26. Help Convert Rotel Amp 220v to 110v? SEE PICS
  27. Luxkit A504 repair, long
  28. Noob needs help..Adcom GFA-545 DC blocking caps
  29. amp
  30. zero phase distortion
  31. Bryston 3B SST, enyone interested?
  32. I need an interpreter, maybe a new receiver?
  33. Behringer MX8000 schematic or service manual
  34. BC303 substitute in a TO126 package.
  35. from +/-80v to +/-70v rails
  36. Ksa-150
  37. Anyone got schematics for the Cambridge Audio model P40?
  38. Yba
  39. AURA VA 50 shematics
  40. Schema NAD 310
  41. subwoofer amplifier schematics?????
  42. Readjusting balance
  43. Stand-Offs for PC Board
  44. Well, i found what i was searching for so long time...the old amplifier, 1968 .
  45. New opamp design tool at Analog Devices
  46. Transistor specs. Help!...do you know those units?
  47. Power supply caps
  48. capacitor leads trouble
  49. Help with strange opamps
  50. Effect of output Stage Configuration on Damping Factor
  51. small amp
  52. Need to build simple MOSFET preamp!!Please help!
  53. help with amp
  54. Amplifier kit for my needs? Please, help - TY
  55. Marantz PM 55 schematic !!! Help me
  56. Severe humm in Squier Champ 15G guitar amp by Fender
  57. Accuphase schematic
  58. Anyone have any luck contacting Dr. Leach
  59. Power suply reduction
  60. Crown amps, transistor replacement (long)
  61. car amplifier ADCOM AMP GFA-4402
  62. marantz 22xx - front panel to EQ board
  63. Douglas Self PWR AMPS?
  64. Power Amplifier is Quiet / Broken?
  65. NAD 2200PE Schematic
  66. quick question ... really
  67. Bias Generator for Source Follower OPS
  68. Can guru's help?? Looking for a tube-like clip diode.
  69. Ultra-High performance OpAmp-based MOSFET Power Amp
  70. voltage problem in 400watt amp
  71. 300w rms amp
  72. Electronic function selector
  73. Electronic Lamps, electricity, i need help, lamps burning, needing procedure
  74. Nak PA7 clone
  75. Pre amp? What schematic do i need?
  76. Help for an audio amp (newbie)
  77. Sansui g-7500?
  78. NAD 705 Stereo Receiver Service Manual?
  79. HiFi transistors
  80. Sansui R-550 Service Manual
  81. need assistance
  82. TV Horzontal Output Transistor for output stage..?
  83. Power amp VI limiting?
  84. Marshall Valvestate Pro 120/120 power amp schemayic ????
  85. Tone ctrl bypass reduces volume?
  86. about the difference in sound quality between the two NAD amps. 3020 and 3225
  87. Dx Led Wattmeter, it can be usefull, and you can modifie and put your name on it
  88. Here's a good power amp fault
  89. anyone know the musical fidelity a1 -x amplifier
  90. Nad 272 power amp
  91. ? D666AC, B646AC -vs-C2705 ,A1145 - which one substitute which one?
  92. LTspice under Linux/wine
  93. DIY Baxandall network
  94. Bass Kill/Hpass Xover for VCA DJ mixer
  95. Equalize a passive bi-amp system
  96. Preamp?
  97. Schematic Marantz needed
  98. high end version of low end phono stage
  99. Purpose of this capacitor in discrete amplifier?
  100. noise from the potentiometer
  101. Standards of parts naming on PCBs?
  102. tip35c failures response
  103. Repairing a luxman M-120A
  104. Ion Nexus
  105. quad 77 pre 115v voltage
  106. Inter-M REF-2150 schematics
  107. How should I integrate this remote volume control?
  108. transit time in Amplifier
  109. Randall Amp problems
  110. Feedback & audio amp
  111. preamp
  112. Sumo Polaris 310
  113. mosfet 450w irf240 / irfp9240 amp help
  114. confused
  115. PPI vs. Alpine
  116. some transistors of interest
  117. Increasing caps on existing receivers
  118. MUR806 vs FRED bridge
  119. general question about feedback, input impedance, and noise
  120. Why always differential stages?
  121. power supply transformer wiring question
  122. Help interpreting spectrum analyzer results (pic attached)
  123. Cascodes- the truth is out there...
  124. RIAA Preamp
  125. Shunt-regulated 24V DC Power Supply for Preamp Modules
  126. Nad 916 schematics wanted
  127. ETI480 - is "factory" cooling enough?
  128. ETI480 help please
  129. Parasound
  130. All About Amplifiers
  131. looking for dual npn and dual npn smt transistors
  132. biamp used only to drive low frequencies
  133. Adcom 565 amplifier HELP
  134. IRFP240&IRFP9240 power amplifier schematic
  135. OnSemi ThermalTrak
  136. What to do with some beefy bits
  137. some power amplifier recomendations
  138. recalculating resistor values
  139. :Help: Are these transistors interchangeable?
  140. Lyra Connoisseur 4-2L SE: What a masterpiece!
  141. Luxman 1500 Receiver Disassembly
  142. PC O'scope/analyser
  143. help selecting a good amp project
  144. szekeres amp - irf510 equivalent
  145. best small signal FET?
  146. PGA2310 - Setup for highest audio quality
  147. Which OPAMP
  148. Mc Cormack
  149. Hawksford based conceptual amplifier
  150. My first attempt at amp design
  151. ART sla-2
  152. Reference Line Preeminence 1B Remote HELP!
  153. Musical figelity B1 N-channel
  154. I need a portable diy electronic AC volt meter, to avoid transportation of Scopes.
  155. The Sound of Science
  156. Alchemist Kraken Apd6a Mkii
  157. Marantz 1060 parts
  158. LOOKING FOR Schematics for MA5100 - Please
  159. Acoustic Reasearch
  160. I need help decidint which amp to buy
  161. TIP35C Failure
  162. 5534 audio amp
  163. help with hooking up transformer to IEC and psu
  164. Electrocompaniet Aw100MB
  165. What is the problem with this amp? mods requested
  166. Transistor subs..
  167. Adcom 5400 Power Amp Distortion - Need Help
  168. Looking for the best relay
  169. Relation between voltage gain and dB amplification
  170. Chassis for power amp
  171. Jung SR schemo/layout
  172. That source is this?
  173. NAD 1020 Preamp Problems
  174. Transformer substitution help
  175. Carver PM 1200 Protection light on, amp works!
  176. Need NAD 2140 schematic
  177. Technics SA-600
  178. preamp soft start
  179. request high power amplifier
  180. Hawksford output error correction circuit?
  181. Adcom 5400 Power Amp Schematic
  182. Luscious New Design!!
  183. Quick and Dirty X-over
  184. AMP CLASS A to B detection
  185. Looking for Technics SU-V7 Schematic
  186. Leach Amp Mod
  187. acousto-optic modulator and deflector
  188. Testing a power amp
  189. P3A Bridged Into 4 Ohm load
  190. Some topology of current feedback amplifier
  191. Using Many Small Signal transistors for the output stage Update!!
  192. spice up my life :)
  193. classic 8.0B shematics
  194. Will this work?
  195. Application of feedback Quad amps
  196. I want my ETI-480 amp stronger
  197. Help needed repairing HK Citation 12
  198. Krell PAM-5 gain adjust
  199. 300B solidstate?
  200. Perreaux 1150-b Distortion
  201. Legacy OpAmps
  202. Advanced Solid State Amp
  203. Help! Marshal MG50DFX Anybody Anyideas
  204. Have a look at this schematic please
  205. Crest Amp Circuit Schematics
  206. sony amp ta1055
  207. Error Correction Idea
  208. Can I use-35-0-35 volt DC for Leach Amp?
  209. rnrss orates on Power Amplifiers
  210. My Completed Krell KSA 50 Clone - Pics
  211. mox confusion
  212. Obsolete transistors
  213. Neutral amp parameters
  214. transformer substitute question
  215. Pioneer SA-8500 schematic ?
  216. Square wave testing....Cap value
  217. What Speakers Work best with the JLH 10W Class A Amplifier
  218. speaker protection - fail again - help please
  219. NAD 214 protection relay
  220. Spice: how to set IDSS etc?
  221. Western Electric 487c rectifier
  222. Has Anyone Got a Bose Amplifier circuit diagram?
  223. 24 dB/Octave 2/3-Way Linkwitz DC on output after power cut
  224. Volume control question for pre-amp, please help
  225. I though that I mastered TIM
  226. Carlos! This is my amp
  227. Need help with Giesberts HEXFET AMP
  228. Moving the volume knob
  229. Trying to make a car amp. got a big different from the.... ?
  230. Dual mono amp star grounding questions
  231. New homade job
  232. Any mods for Rotel RB 850
  233. onkyo integar A-9711 amplifier
  234. Moog amplifier schematic
  235. Preamp for Power Follower
  236. Exploding output transistors
  237. Improved discrete op-amp
  238. question for all techies
  239. Need expert help on a project, ETI-488 100W
  240. Looking for schematics... Yamaha M-70
  241. Schems for Yamaha CA-800?
  242. Classic 8.0B shematics
  243. nad 304 annoying fault
  244. Your Favorite Signal, Driver & Power Transistor used in your Amp and Why?
  245. Cheapest Solution
  246. which devices can be compatible with USB
  247. Main on/off switch for amp using a piezo switch
  248. CS 8ooX schematic
  249. Looking for first SS amp idea, have PS
  250. Resistor Noises: How to reduce them

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