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  1. Exposure IV amplifier schematics wanted!
  2. HOW to use a Heathkit Model 10-18 oscilloscope
  3. I have +-50volt rails @ 1000VA, 37600uF per rail: what would you reccomend?
  4. Mac 1900 pre amp starting mute problem
  5. Good ~100W amplifier
  6. Zero Feedback Impedance Amplifiers
  7. BC 408 and other transistors, how they sound....
  8. DC offset need help again :-(
  9. Marantz receiver hi level hiss
  10. noob/ish question on volts and power
  11. Krell Kav400i
  12. strengthen leach amp
  13. Mosfet oscillation or not
  14. thermistor
  15. opamp buffers power output q
  16. NAD 304 schematic wanted
  17. Newby Esp P67 Question Help Pls!
  18. AD8392 driving headphones
  19. Emitter resistors in multiple BJT output stage
  20. Thule PR200 - any information?
  21. P27 Output Voltage
  22. Batteries as power-supply filters?
  23. resistor ok to replace VGS multiplier?
  24. Power amp marantz PM-80SE no output
  25. akai am-52 service manual or schematic
  26. what pot value for a passive pre-amp?
  27. class B and AB idle current
  28. Simple wattimeter to 55 RMS unclipped amplifiers
  29. To see if anyone knows something about this
  30. Activexover will this work
  31. 2SA1145 Ic
  32. Thel Accusound Pro amp
  33. LM555 car amplifier power supply
  34. Meridian 605 Mono Blocks
  35. Please comment my PCB!
  36. +/- supply resistors on op amps?
  37. Odd distortion problem
  38. POA-6600 Schematic - HELP!!
  39. SGS power transistors
  40. precise power meter
  41. Testing Hitachi Mosfets
  42. A North European friend asked me to show you this schematic.
  43. Do any of you guys know much about BASH power supplies?...
  44. Will this work as Error Correction?
  45. Universal Tiger
  46. AKSA versus modified unit, a group hearing test inside my appartment
  47. bass & trebble
  48. N-Fdbk Question
  49. Newbee looking for info on new to me nordMende
  50. Op Amp based current sources
  51. HiFi Premp schematics?
  52. 5 watts single ended amp
  53. noisy fan on Crest 2600
  54. Rotel RB-1010
  55. current boost lm317 prob.
  56. power amplifier mosfet
  57. Old Rotel Power Amp power input change
  58. A little bit of advice please
  59. Luxman L-100
  60. Sub for LF411CN op amp?
  61. "What's your reasoning?" and not "What's your belief?".
  62. Dr. Flatten, the bad designer with success near future
  63. Re: New error correction amp
  64. Ssl Question?
  65. opamp 'class A' biasing??
  66. JLH Class-A, component help
  67. Akai am-52 no right channel
  68. Symmetrical folded cascode.
  69. PS Audio "Gain Cell"
  70. Star ground w/ Dual capacitor banks
  71. Feedback
  72. Amp Repair - GAS Son of Ampzilla
  73. The King is dead, God save the King!
  74. burned JLH fuse by connecting to Tube preamp
  75. power supply for car amp.
  76. Two zeners to ground in audio input?
  77. 2sj200 ??
  78. Effect of Power Supply on Soundstage Width
  79. unkown transistor
  80. Mark Levinson 32 voltage conversion
  81. Can this circuit be usefull to audio amplifiers
  82. Ok, I admit i don't make any sense out of this
  83. Measuring amplifier gain
  84. Looking for balance preamp using NJM5565
  85. amplifier gain
  86. Jung regulator layout
  87. The "not so lowly" TL431
  88. Line level signal delay circuit
  89. Ultra High Current Mosfets from Hitachi
  90. Oscillating transformer buzz problem, please help!
  91. How to use SAE A501 Amp, 1980's
  92. jlh 80W
  93. Active xover help!
  94. Power transformer and Capacitor
  95. An ORCAD question
  96. (Aus) Biema pro amps for (sub)woofer use
  97. Usher pre-amp woes...
  98. Ancient amplifier, the old sound as some reference
  99. Can you help with my Buzz??
  100. Silly question, but it don't hurt to be sure :-)
  101. Q about building the Zenquito amp with 2SK1058 / 2SJ162
  102. inuput selector with display
  103. HELP! Differential Input Circuit
  104. PLEASE! Kenwood help!
  105. Very good tutorial on circuit design
  106. Transistors 2N6551/54
  107. Extra K135 Mosfets soon available
  108. Class A/B Biasing
  109. Tantalum resistors?
  110. Rotel RA311 Schematic Needed
  111. MarkLevinson ML3 schematics ?
  112. DC offset stability and operating point question.
  113. JLH Class-A help needed! [newbie alert]
  114. Marantz PM-94
  115. Overheating with low bias...
  116. Kenwood KAC-628 car amp
  117. MJE350 orcad model
  118. Taking a chance here - problem with DC voltages
  119. zen or jlh which sounds better
  120. Load Resistance as seen by PSU??
  121. convert Quad44 radio input to CD input
  122. my new amp project
  123. Rod Elliot P06 Riaa problem
  124. How 2 determin Unknown Xfrmr VA Rating?
  125. How 2 build a Dynamic Load tester?
  126. Speakers to match GC??
  127. Denon PMA 770 - Schematic & PCB layout - Anyone got one?
  128. amp problem?
  129. Marantz 74PM40 power transformer
  130. REQ Comment on PCB Layout
  131. Figuring out Output current.
  132. Supressed bias amplifier, automatic variable bias system.
  133. adding xtra transformer to cdp need help!
  134. The rail diode, is this a trick, is this a trap or a clever solution?
  135. DoZ cooling
  136. Akai AA-5800
  137. TNT InDiscreet phono amp
  138. 2SB1353 Transistor specs?
  139. Active lowpass filter + high rails
  140. looking for a replacement for pcb cad
  141. Looking for a good MOSFET amp and PCB
  142. Interesting books....
  143. Car amplifier blows - help
  144. 4A bias on a IRFP240n???
  145. paralel MOS-FETīs HELP
  146. Schematic To Classee DR3-VHC
  147. Stuck on a Sansui AU-5500
  148. Noisy amplifier
  149. Abacus rieder 60-120 amplifier
  150. anyone b&o penta1 schematic?
  151. help with sanyo ja222
  152. AKAI AM-52 schematic
  153. IGBT amp and SPICE models
  154. Help with Leach Amp
  155. Jaycar/Silicon chip Studio 350 opinions?
  156. 'Local Feedback and Nonlinearity of Multistage Feedback Amplifiers'
  157. Turning a car amp into a pc amp
  158. DIY Amp Tweaking
  159. Simple remote for your preamp.
  160. Mods for Denon UD-M31 mini-system?
  161. Soundcard as a pre-amp ? (and more)
  162. variable Low-Cut, High-Pass & High-Cuts
  163. Sugden P28
  164. Hello everyone!
  165. N-Channel mosfet amplifier with servo bias
  166. nested feedback loops
  167. 240V DIY'ers, Please help
  168. "Current-clone"
  169. I am surrprised not to see more of you designing high end car amps.
  170. Using Logitech Z-560's without control box
  171. Believe it or not....
  172. unknown capacitors
  173. Dirty PC board, spider assemble, Ugly circuit, terrible amp, can you show us?
  174. Question about audio output transistors and power out
  175. Transformer coupled linestage
  176. Transistor and Temperature
  177. [Hybrid Amp] Questions about the use of zener diodes
  178. Would u choose Buf634T?
  179. Subwoofer Amp Question
  180. Quasi or full complementary.
  181. DC Offset circuit for Threshold
  182. Ultra-high end DIY amp recommendations
  183. help with Sansui BA5000
  184. Is the Toshiba 2SJ201/2SK1530 pair (Mosfet) suitable for output stage ?
  185. optical bias, how does it work?
  186. Mosfet class A p/p amp... is feedback required?
  187. ELAN or ALAN PT-600???
  188. Post your Ugly SS Pictures!
  189. Tivoli Pal battery problem
  190. A, B, A/b, C...
  191. Sunfire Power Supply Capacitor
  192. help with power supply....
  193. Photo Gallery of SS designs
  194. Complete beginner; looking to start.
  195. sam's 300W or eti-466 : alternative for Vbe
  196. Dc-Ac pure sive inverter design
  197. Av 800
  198. My MOSFETS...PUFFFF
  199. Any suggestions on a transistor??
  200. Digitex MOS120 amplifier, what do you think?
  201. Do you know how to put many low power amps and add their power?
  202. 20A power supply
  203. APT Holman Power Amplifier 1 Blown inputs?
  204. You can make a wooden PC board!
  205. New error correction amp
  206. Take your amplifier to the shower
  207. need a help with software to design amplifiers....
  208. Transformer Based Passive Preamp
  209. NE5534 Compensation Cap
  210. Reinventing the N-channel wheel?
  211. External Powersupply and virtual grounds..
  212. hand winding transformer, by Dx and John Mateus
  213. Another out of this world topology
  214. recommend me an amp to build
  215. Hot Rod mods?
  216. pictures of my new chassis
  217. New member + Replacing 2SK133/135 2SJ48/50
  218. Single Differential Non-feedback
  219. PCB needed - anyone?
  220. Raise psu voltage
  221. A very simple push-pull project
  222. Amp hum
  223. My System
  224. Yet another N-Channel Amplifier
  225. Le Monstre MOSFET
  226. Creek 5350 fuse position..is it OK?
  227. DIY High Power Mosfet
  228. Problem With Hight Power Solid State Amplifier
  229. Bias with a resistor
  230. Can’t believe...
  231. Passive balanced volume control using a single attenuator? Possible?
  232. Graham's Class A/JLH output
  233. Problem With Hight Power Solid State Amplifier
  234. Complimentary power transistors in chip amp
  235. Park G10 Mod help!!??
  236. 3D Amp Reproduction?
  237. please help with my amp!!!
  238. simple input stage for amp?
  239. opinion on MOSFET amp?
  240. Pictures of my 250W Leach AMP
  241. Problems with UPC1237
  242. LTSpice Issue...
  243. Class A repair : where to start ?
  244. Without being rude, where do you guys put the volume control?
  245. Noisy rotel ra500
  246. Ouput Stage Distortion
  247. Adjustable gain control for Sharp SX-9680/STK4231 II
  248. Analog Engineering Associates 620 amp info wanted
  249. How to regulate a negative rail with TL431?
  250. stage accompany ppa-1200 amp

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