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  1. Parasound HAC2200II, schematic needed
  2. Protection Circuit - Crowbar - Zener vs SBS
  3. Overload protection circuit. Does it work correctly?
  4. I need help from Portugal, informs related Portuguese equipment brands and more....
  5. Help Convert Rotel Amp 220v to 110v? SEE PICS
  6. Luxkit A504 repair, long
  7. Noob needs help..Adcom GFA-545 DC blocking caps
  8. amp
  9. zero phase distortion
  10. Bryston 3B SST, enyone interested?
  11. I need an interpreter, maybe a new receiver?
  12. Behringer MX8000 schematic or service manual
  13. BC303 substitute in a TO126 package.
  14. from +/-80v to +/-70v rails
  15. Ksa-150
  16. Anyone got schematics for the Cambridge Audio model P40?
  17. Yba
  18. AURA VA 50 shematics
  19. Schema NAD 310
  20. subwoofer amplifier schematics?????
  21. Readjusting balance
  22. Stand-Offs for PC Board
  23. Well, i found what i was searching for so long time...the old amplifier, 1968 .
  24. New opamp design tool at Analog Devices
  25. Transistor specs. Help!...do you know those units?
  26. Power supply caps
  27. capacitor leads trouble
  28. Help with strange opamps
  29. Effect of output Stage Configuration on Damping Factor
  30. small amp
  31. Need to build simple MOSFET preamp!!Please help!
  32. help with amp
  33. Amplifier kit for my needs? Please, help - TY
  34. Marantz PM 55 schematic !!! Help me
  35. Severe humm in Squier Champ 15G guitar amp by Fender
  36. Accuphase schematic
  37. Anyone have any luck contacting Dr. Leach
  38. Power suply reduction
  39. Crown amps, transistor replacement (long)
  40. car amplifier ADCOM AMP GFA-4402
  41. marantz 22xx - front panel to EQ board
  42. Douglas Self PWR AMPS?
  43. Power Amplifier is Quiet / Broken?
  44. NAD 2200PE Schematic
  45. quick question ... really
  46. Bias Generator for Source Follower OPS
  47. Can guru's help?? Looking for a tube-like clip diode.
  48. Ultra-High performance OpAmp-based MOSFET Power Amp
  49. voltage problem in 400watt amp
  50. 300w rms amp
  51. Electronic function selector
  52. Electronic Lamps, electricity, i need help, lamps burning, needing procedure
  53. Nak PA7 clone
  54. Pre amp? What schematic do i need?
  55. Help for an audio amp (newbie)
  56. Sansui g-7500?
  57. NAD 705 Stereo Receiver Service Manual?
  58. HiFi transistors
  59. Sansui R-550 Service Manual
  60. need assistance
  61. TV Horzontal Output Transistor for output stage..?
  62. Power amp VI limiting?
  63. Marshall Valvestate Pro 120/120 power amp schemayic ????
  64. Tone ctrl bypass reduces volume?
  65. about the difference in sound quality between the two NAD amps. 3020 and 3225
  66. Dx Led Wattmeter, it can be usefull, and you can modifie and put your name on it
  67. Here's a good power amp fault
  68. anyone know the musical fidelity a1 -x amplifier
  69. Nad 272 power amp
  70. ? D666AC, B646AC -vs-C2705 ,A1145 - which one substitute which one?
  71. LTspice under Linux/wine
  72. DIY Baxandall network
  73. Bass Kill/Hpass Xover for VCA DJ mixer
  74. Equalize a passive bi-amp system
  75. Preamp?
  76. Schematic Marantz needed
  77. high end version of low end phono stage
  78. Purpose of this capacitor in discrete amplifier?
  79. noise from the potentiometer
  80. Standards of parts naming on PCBs?
  81. tip35c failures response
  82. Repairing a luxman M-120A
  83. Ion Nexus
  84. quad 77 pre 115v voltage
  85. Inter-M REF-2150 schematics
  86. How should I integrate this remote volume control?
  87. transit time in Amplifier
  88. Randall Amp problems
  89. Feedback & audio amp
  90. preamp
  91. Sumo Polaris 310
  92. mosfet 450w irf240 / irfp9240 amp help
  93. confused
  94. PPI vs. Alpine
  95. some transistors of interest
  96. Increasing caps on existing receivers
  97. MUR806 vs FRED bridge
  98. general question about feedback, input impedance, and noise
  99. Why always differential stages?
  100. power supply transformer wiring question
  101. Help interpreting spectrum analyzer results (pic attached)
  102. Cascodes- the truth is out there...
  103. RIAA Preamp
  104. Shunt-regulated 24V DC Power Supply for Preamp Modules
  105. Nad 916 schematics wanted
  106. ETI480 - is "factory" cooling enough?
  107. ETI480 help please
  108. Parasound
  109. All About Amplifiers
  110. looking for dual npn and dual npn smt transistors
  111. biamp used only to drive low frequencies
  112. Adcom 565 amplifier HELP
  113. IRFP240&IRFP9240 power amplifier schematic
  114. OnSemi ThermalTrak
  115. What to do with some beefy bits
  116. some power amplifier recomendations
  117. recalculating resistor values
  118. :Help: Are these transistors interchangeable?
  119. Lyra Connoisseur 4-2L SE: What a masterpiece!
  120. Luxman 1500 Receiver Disassembly
  121. PC O'scope/analyser
  122. help selecting a good amp project
  123. szekeres amp - irf510 equivalent
  124. best small signal FET?
  125. PGA2310 - Setup for highest audio quality
  126. Which OPAMP
  127. Mc Cormack
  128. Hawksford based conceptual amplifier
  129. My first attempt at amp design
  130. ART sla-2
  131. Reference Line Preeminence 1B Remote HELP!
  132. Musical figelity B1 N-channel
  133. I need a portable diy electronic AC volt meter, to avoid transportation of Scopes.
  134. The Sound of Science
  135. Alchemist Kraken Apd6a Mkii
  136. Marantz 1060 parts
  137. LOOKING FOR Schematics for MA5100 - Please
  138. Acoustic Reasearch
  139. I need help decidint which amp to buy
  140. TIP35C Failure
  141. 5534 audio amp
  142. help with hooking up transformer to IEC and psu
  143. Electrocompaniet Aw100MB
  144. What is the problem with this amp? mods requested
  145. Transistor subs..
  146. Adcom 5400 Power Amp Distortion - Need Help
  147. Looking for the best relay
  148. Relation between voltage gain and dB amplification
  149. Chassis for power amp
  150. Jung SR schemo/layout
  151. That source is this?
  152. NAD 1020 Preamp Problems
  153. Transformer substitution help
  154. Carver PM 1200 Protection light on, amp works!
  155. Need NAD 2140 schematic
  156. Technics SA-600
  157. preamp soft start
  158. request high power amplifier
  159. Hawksford output error correction circuit?
  160. Adcom 5400 Power Amp Schematic
  161. Luscious New Design!!
  162. Quick and Dirty X-over
  163. AMP CLASS A to B detection
  164. Looking for Technics SU-V7 Schematic
  165. Leach Amp Mod
  166. acousto-optic modulator and deflector
  167. Testing a power amp
  168. P3A Bridged Into 4 Ohm load
  169. Some topology of current feedback amplifier
  170. Using Many Small Signal transistors for the output stage Update!!
  171. spice up my life :)
  172. classic 8.0B shematics
  173. Will this work?
  174. Application of feedback Quad amps
  175. I want my ETI-480 amp stronger
  176. Help needed repairing HK Citation 12
  177. Krell PAM-5 gain adjust
  178. 300B solidstate?
  179. Perreaux 1150-b Distortion
  180. Legacy OpAmps
  181. Advanced Solid State Amp
  182. Help! Marshal MG50DFX Anybody Anyideas
  183. Have a look at this schematic please
  184. Crest Amp Circuit Schematics
  185. sony amp ta1055
  186. Error Correction Idea
  187. Can I use-35-0-35 volt DC for Leach Amp?
  188. rnrss orates on Power Amplifiers
  189. My Completed Krell KSA 50 Clone - Pics
  190. mox confusion
  191. Obsolete transistors
  192. Neutral amp parameters
  193. transformer substitute question
  194. Pioneer SA-8500 schematic ?
  195. Square wave testing....Cap value
  196. What Speakers Work best with the JLH 10W Class A Amplifier
  197. speaker protection - fail again - help please
  198. NAD 214 protection relay
  199. Spice: how to set IDSS etc?
  200. Western Electric 487c rectifier
  201. Has Anyone Got a Bose Amplifier circuit diagram?
  202. 24 dB/Octave 2/3-Way Linkwitz DC on output after power cut
  203. Volume control question for pre-amp, please help
  204. I though that I mastered TIM
  205. Carlos! This is my amp
  206. Need help with Giesberts HEXFET AMP
  207. Moving the volume knob
  208. Trying to make a car amp. got a big different from the.... ?
  209. Dual mono amp star grounding questions
  210. New homade job
  211. Any mods for Rotel RB 850
  212. onkyo integar A-9711 amplifier
  213. Moog amplifier schematic
  214. Preamp for Power Follower
  215. Exploding output transistors
  216. Improved discrete op-amp
  217. question for all techies
  218. Need expert help on a project, ETI-488 100W
  219. Looking for schematics... Yamaha M-70
  220. Schems for Yamaha CA-800?
  221. Classic 8.0B shematics
  222. nad 304 annoying fault
  223. Your Favorite Signal, Driver & Power Transistor used in your Amp and Why?
  224. Cheapest Solution
  225. which devices can be compatible with USB
  226. Main on/off switch for amp using a piezo switch
  227. Looking for first SS amp idea, have PS
  228. CS 8ooX schematic
  229. Resistor Noises: How to reduce them
  230. Feedback delay & distortion
  231. Quad 405 with MOSFET PWR transistors
  232. Help troubleshooting older solid state amp please >>
  233. Quick Question on Adcom 545
  234. tandberg tca3002
  235. Need amp for DC input --> AC output
  236. trouble with high power amp
  237. change the SMPS circuit in car amplifiers. + picture
  238. Slone's project sourcebook Q's
  239. Can I Use This?
  240. Using Many Small Signal Transistors Paralleled in place of one output Transistor
  241. Has Anyone else used MJE13005's Switching Transistors for the output stage.
  242. x-pro come in
  243. HP 208A Oscillator, any use??
  244. Snubber for HEXFRED?
  245. How much innovation is possible with Discrete Class-A Amplifiers?
  246. I want to see a Pic of the DIY Ugliest Amplifier Project you've ever made.
  247. hafler 500 upgrades...
  248. Any ideas? SWR 750x
  249. PSU For sale SMPS 50-0-50 volt
  250. Questions on building High-Powered subwoofer Amp.

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