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  1. help on finding datasheet
  2. Detailed Tech Specs of commercial receivers
  3. Three Way Attentunating Switch on -10db line level
  4. Chat
  5. Classé DR3 schematic
  6. Need advice on this IC (see pics)
  7. Brazilian amplifiers schematics, mobile power units
  8. Gsm and RF rejection ...
  9. best place for volume control in 3-amp system
  10. ' single ended xconductance 0 feedback ' amp
  11. 5.1 channels preamp?
  12. help needed
  13. DIY amplifier for Apoogee Scintilla
  14. Adcom 555 amp fuse help needed
  15. Big Car SMPS - pics
  16. One Channel of JLH 80w Mosfet Louder than other
  17. Reverse engineering Krell KMA 160
  18. three prong receptacle with 50 volts on ground
  19. Soundcraftsmen Mods & PCR Regulators
  20. All N-FET circlo schematic
  21. p68 power supply questions
  22. DENON POA-6600A schematic wanted !!
  23. Teleton SAQ-206B solid state stereo hifi amplifier
  24. The Great transformer based SE amp
  25. Transformer Wiring... 5 wires on secondary?
  26. High Current Power Supplies
  27. Exposure IV amplifier schematics wanted!
  28. HOW to use a Heathkit Model 10-18 oscilloscope
  29. I have +-50volt rails @ 1000VA, 37600uF per rail: what would you reccomend?
  30. Mac 1900 pre amp starting mute problem
  31. Good ~100W amplifier
  32. Zero Feedback Impedance Amplifiers
  33. BC 408 and other transistors, how they sound....
  34. DC offset need help again :-(
  35. Marantz receiver hi level hiss
  36. noob/ish question on volts and power
  37. Krell Kav400i
  38. strengthen leach amp
  39. Mosfet oscillation or not
  40. thermistor
  41. opamp buffers power output q
  42. NAD 304 schematic wanted
  43. Newby Esp P67 Question Help Pls!
  44. AD8392 driving headphones
  45. Emitter resistors in multiple BJT output stage
  46. Thule PR200 - any information?
  47. P27 Output Voltage
  48. Batteries as power-supply filters?
  49. resistor ok to replace VGS multiplier?
  50. Power amp marantz PM-80SE no output
  51. akai am-52 service manual or schematic
  52. what pot value for a passive pre-amp?
  53. class B and AB idle current
  54. Simple wattimeter to 55 RMS unclipped amplifiers
  55. To see if anyone knows something about this
  56. Activexover will this work
  57. 2SA1145 Ic
  58. Thel Accusound Pro amp
  59. LM555 car amplifier power supply
  60. Meridian 605 Mono Blocks
  61. Please comment my PCB!
  62. +/- supply resistors on op amps?
  63. Odd distortion problem
  64. POA-6600 Schematic - HELP!!
  65. SGS power transistors
  66. precise power meter
  67. Testing Hitachi Mosfets
  68. A North European friend asked me to show you this schematic.
  69. Do any of you guys know much about BASH power supplies?...
  70. Will this work as Error Correction?
  71. Universal Tiger
  72. AKSA versus modified unit, a group hearing test inside my appartment
  73. bass & trebble
  74. N-Fdbk Question
  75. Newbee looking for info on new to me nordMende
  76. Op Amp based current sources
  77. HiFi Premp schematics?
  78. 5 watts single ended amp
  79. noisy fan on Crest 2600
  80. Rotel RB-1010
  81. current boost lm317 prob.
  82. power amplifier mosfet
  83. Old Rotel Power Amp power input change
  84. A little bit of advice please
  85. Luxman L-100
  86. Sub for LF411CN op amp?
  87. "What's your reasoning?" and not "What's your belief?".
  88. Dr. Flatten, the bad designer with success near future
  89. Re: New error correction amp
  90. Ssl Question?
  91. opamp 'class A' biasing??
  92. JLH Class-A, component help
  93. Akai am-52 no right channel
  94. Symmetrical folded cascode.
  95. PS Audio "Gain Cell"
  96. Star ground w/ Dual capacitor banks
  97. Feedback
  98. Amp Repair - GAS Son of Ampzilla
  99. The King is dead, God save the King!
  100. burned JLH fuse by connecting to Tube preamp
  101. power supply for car amp.
  102. Two zeners to ground in audio input?
  103. 2sj200 ??
  104. Effect of Power Supply on Soundstage Width
  105. unkown transistor
  106. Mark Levinson 32 voltage conversion
  107. Can this circuit be usefull to audio amplifiers
  108. Ok, I admit i don't make any sense out of this
  109. Measuring amplifier gain
  110. Looking for balance preamp using NJM5565
  111. amplifier gain
  112. Jung regulator layout
  113. The "not so lowly" TL431
  114. Line level signal delay circuit
  115. Ultra High Current Mosfets from Hitachi
  116. Oscillating transformer buzz problem, please help!
  117. How to use SAE A501 Amp, 1980's
  118. jlh 80W
  119. Active xover help!
  120. Power transformer and Capacitor
  121. An ORCAD question
  122. (Aus) Biema pro amps for (sub)woofer use
  123. Usher pre-amp woes...
  124. Ancient amplifier, the old sound as some reference
  125. Can you help with my Buzz??
  126. Silly question, but it don't hurt to be sure :-)
  127. Q about building the Zenquito amp with 2SK1058 / 2SJ162
  128. inuput selector with display
  129. HELP! Differential Input Circuit
  130. PLEASE! Kenwood help!
  131. Very good tutorial on circuit design
  132. Transistors 2N6551/54
  133. Extra K135 Mosfets soon available
  134. Class A/B Biasing
  135. Tantalum resistors?
  136. Rotel RA311 Schematic Needed
  137. MarkLevinson ML3 schematics ?
  138. DC offset stability and operating point question.
  139. JLH Class-A help needed! [newbie alert]
  140. Marantz PM-94
  141. Overheating with low bias...
  142. Kenwood KAC-628 car amp
  143. MJE350 orcad model
  144. Taking a chance here - problem with DC voltages
  145. zen or jlh which sounds better
  146. Load Resistance as seen by PSU??
  147. convert Quad44 radio input to CD input
  148. my new amp project
  149. Rod Elliot P06 Riaa problem
  150. How 2 determin Unknown Xfrmr VA Rating?
  151. How 2 build a Dynamic Load tester?
  152. Speakers to match GC??
  153. Denon PMA 770 - Schematic & PCB layout - Anyone got one?
  154. amp problem?
  155. Marantz 74PM40 power transformer
  156. REQ Comment on PCB Layout
  157. Figuring out Output current.
  158. Supressed bias amplifier, automatic variable bias system.
  159. adding xtra transformer to cdp need help!
  160. The rail diode, is this a trick, is this a trap or a clever solution?
  161. DoZ cooling
  162. Akai AA-5800
  163. TNT InDiscreet phono amp
  164. 2SB1353 Transistor specs?
  165. Active lowpass filter + high rails
  166. looking for a replacement for pcb cad
  167. Looking for a good MOSFET amp and PCB
  168. Interesting books....
  169. Car amplifier blows - help
  170. 4A bias on a IRFP240n???
  171. paralel MOS-FET´s HELP
  172. Schematic To Classee DR3-VHC
  173. Stuck on a Sansui AU-5500
  174. Noisy amplifier
  175. Abacus rieder 60-120 amplifier
  176. anyone b&o penta1 schematic?
  177. help with sanyo ja222
  178. AKAI AM-52 schematic
  179. IGBT amp and SPICE models
  180. Help with Leach Amp
  181. Jaycar/Silicon chip Studio 350 opinions?
  182. 'Local Feedback and Nonlinearity of Multistage Feedback Amplifiers'
  183. Turning a car amp into a pc amp
  184. DIY Amp Tweaking
  185. Simple remote for your preamp.
  186. Mods for Denon UD-M31 mini-system?
  187. Soundcard as a pre-amp ? (and more)
  188. variable Low-Cut, High-Pass & High-Cuts
  189. Sugden P28
  190. Hello everyone!
  191. N-Channel mosfet amplifier with servo bias
  192. nested feedback loops
  193. 240V DIY'ers, Please help
  194. "Current-clone"
  195. I am surrprised not to see more of you designing high end car amps.
  196. Using Logitech Z-560's without control box
  197. Believe it or not....
  198. unknown capacitors
  199. Dirty PC board, spider assemble, Ugly circuit, terrible amp, can you show us?
  200. Question about audio output transistors and power out
  201. Transformer coupled linestage
  202. Transistor and Temperature
  203. [Hybrid Amp] Questions about the use of zener diodes
  204. Would u choose Buf634T?
  205. Subwoofer Amp Question
  206. Quasi or full complementary.
  207. DC Offset circuit for Threshold
  208. Ultra-high end DIY amp recommendations
  209. help with Sansui BA5000
  210. Is the Toshiba 2SJ201/2SK1530 pair (Mosfet) suitable for output stage ?
  211. optical bias, how does it work?
  212. Mosfet class A p/p amp... is feedback required?
  213. ELAN or ALAN PT-600???
  214. Post your Ugly SS Pictures!
  215. Tivoli Pal battery problem
  216. A, B, A/b, C...
  217. Sunfire Power Supply Capacitor
  218. help with power supply....
  219. Photo Gallery of SS designs
  220. Complete beginner; looking to start.
  221. sam's 300W or eti-466 : alternative for Vbe
  222. Dc-Ac pure sive inverter design
  223. Av 800
  224. My MOSFETS...PUFFFF
  225. Any suggestions on a transistor??
  226. Digitex MOS120 amplifier, what do you think?
  227. Do you know how to put many low power amps and add their power?
  228. 20A power supply
  229. APT Holman Power Amplifier 1 Blown inputs?
  230. You can make a wooden PC board!
  231. New error correction amp
  232. Take your amplifier to the shower
  233. need a help with software to design amplifiers....
  234. Transformer Based Passive Preamp
  235. NE5534 Compensation Cap
  236. Reinventing the N-channel wheel?
  237. External Powersupply and virtual grounds..
  238. hand winding transformer, by Dx and John Mateus
  239. Another out of this world topology
  240. recommend me an amp to build
  241. Hot Rod mods?
  242. pictures of my new chassis
  243. New member + Replacing 2SK133/135 2SJ48/50
  244. Single Differential Non-feedback
  245. PCB needed - anyone?
  246. Raise psu voltage
  247. A very simple push-pull project
  248. Amp hum
  249. My System
  250. Yet another N-Channel Amplifier

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