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  1. help from pro's wanted.
  2. Want to build my first amp
  3. PC Sound Cards
  4. Possible use of LM308 in audio preamplifier
  5. silly bias and offset question
  6. Solid State
  7. Somebody help me!!
  8. need a few watts of class A
  9. I found this old "fellow" when surfing, a friend told me to change those parts.
  10. This amplifier is distorting high frequency, some audio compression too. Know why?
  11. Power amp under development
  12. Big Monoblocks
  13. HV SS Amplifier
  14. amp with single input can't amplify pulse signal,please help me
  15. mods for the ADCOM 565 monoblocks
  16. Sony TA-NR1 Amplifier Schematic Please?
  17. Measuring CCS impedance and at different frequencys
  18. About Dolby digital processors...
  19. Sanken 2SC3264 in JLH?
  20. Asking for Counterpoint SA-20 Schematic
  21. help troubleshooting amplifier/receiver please
  22. Sage Amplifier!
  23. TVC and Avondale
  24. Mark levinson 37 transport need help
  25. luxman M-02 problems
  26. Is anyone build QSC amps?
  27. transformers?
  28. Hybrid amp phase shift oscillation?
  29. Heatsinking Questions
  30. leach amp power supply
  31. Eye of the Beholder!
  32. speaker protection relay trouble
  33. Any mods for Carver Silver 7T?
  34. Recommendation for a good CMOS op-amp?
  35. Bear Symphony #1
  36. aleph vs JLH
  37. Kenwood Super 11
  38. N-Channel no bias problem
  39. Splitting a supply
  40. schematic for preamp marantz 3800
  41. Understanding headroom and required power
  42. Help with GainClone..
  43. Denon DRA-350 heat buildup
  44. Leach vs. LM4780 - listening test
  45. Help with Linkwitz Transform and Leach Amp
  46. equivelent for 2sa1085
  47. Onkyo Tx-8211
  48. Simple PSU for RIAA / m-magnet
  49. Holton N-Channel amplifier construction manual
  50. 100W Amplifier Shematic and PCB
  51. --- Leach Amp PCB Coatings - HELP ---
  52. In what case can we go for open loop, and when should we use feedback?
  53. Dynaco 120, can you tell me some about the "sonic" qualities
  54. Krell Disappointment,,
  55. Building a pre-amp output isolation buffer?
  56. Best Transistor?
  57. Extra power transformers
  58. Bridge Rectifier Question
  59. Cyrus PSX-R copy
  60. KISS the Ultimate Amplifier
  61. FS: Hafler DH-220
  62. Silly Question????
  63. DIY- and Holton's Lateral-amp problem
  64. Really good DIY Amplifier Info here!
  65. High powered amp suggestions.
  66. how to compensate diffrence in amp gains in 3-amp system
  67. How save is a ground loop breaker?
  68. How important is complementary transistor pair matching in class B amp?
  69. Rail Voltage VS Output Power ????
  70. someone know how to help me?
  71. Recommendations for Internal Signal Wiring
  72. Schematic for Audiolab 8000a
  73. Mark Levinson No 23 schematics
  74. heLp me PLEASE! About STV-3 and 2SC1080 Specs
  75. Bedini BA-803 Schematics???
  76. Simple Amp for active subwoofer
  77. Bridging amplifiers
  78. STV-3 bias diode replacement...
  79. Yamaha B-1 Problem
  80. Simple check to see if mosfet are blown or ok?
  81. help on finding datasheet
  82. Detailed Tech Specs of commercial receivers
  83. Three Way Attentunating Switch on -10db line level
  84. Chat
  85. Classé DR3 schematic
  86. Need advice on this IC (see pics)
  87. Brazilian amplifiers schematics, mobile power units
  88. Gsm and RF rejection ...
  89. best place for volume control in 3-amp system
  90. ' single ended xconductance 0 feedback ' amp
  91. 5.1 channels preamp?
  92. help needed
  93. DIY amplifier for Apoogee Scintilla
  94. Adcom 555 amp fuse help needed
  95. Big Car SMPS - pics
  96. One Channel of JLH 80w Mosfet Louder than other
  97. Reverse engineering Krell KMA 160
  98. three prong receptacle with 50 volts on ground
  99. Soundcraftsmen Mods & PCR Regulators
  100. All N-FET circlo schematic
  101. p68 power supply questions
  102. DENON POA-6600A schematic wanted !!
  103. Teleton SAQ-206B solid state stereo hifi amplifier
  104. The Great transformer based SE amp
  105. Transformer Wiring... 5 wires on secondary?
  106. High Current Power Supplies
  107. Exposure IV amplifier schematics wanted!
  108. HOW to use a Heathkit Model 10-18 oscilloscope
  109. I have +-50volt rails @ 1000VA, 37600uF per rail: what would you reccomend?
  110. Mac 1900 pre amp starting mute problem
  111. Good ~100W amplifier
  112. Zero Feedback Impedance Amplifiers
  113. BC 408 and other transistors, how they sound....
  114. DC offset need help again :-(
  115. Marantz receiver hi level hiss
  116. noob/ish question on volts and power
  117. Krell Kav400i
  118. strengthen leach amp
  119. Mosfet oscillation or not
  120. thermistor
  121. opamp buffers power output q
  122. NAD 304 schematic wanted
  123. Newby Esp P67 Question Help Pls!
  124. AD8392 driving headphones
  125. Emitter resistors in multiple BJT output stage
  126. Thule PR200 - any information?
  127. P27 Output Voltage
  128. Batteries as power-supply filters?
  129. resistor ok to replace VGS multiplier?
  130. Power amp marantz PM-80SE no output
  131. akai am-52 service manual or schematic
  132. what pot value for a passive pre-amp?
  133. class B and AB idle current
  134. Simple wattimeter to 55 RMS unclipped amplifiers
  135. To see if anyone knows something about this
  136. Activexover will this work
  137. 2SA1145 Ic
  138. Thel Accusound Pro amp
  139. LM555 car amplifier power supply
  140. Meridian 605 Mono Blocks
  141. Please comment my PCB!
  142. +/- supply resistors on op amps?
  143. Odd distortion problem
  144. POA-6600 Schematic - HELP!!
  145. SGS power transistors
  146. precise power meter
  147. Testing Hitachi Mosfets
  148. A North European friend asked me to show you this schematic.
  149. Do any of you guys know much about BASH power supplies?...
  150. Will this work as Error Correction?
  151. Universal Tiger
  152. AKSA versus modified unit, a group hearing test inside my appartment
  153. bass & trebble
  154. N-Fdbk Question
  155. Newbee looking for info on new to me nordMende
  156. Op Amp based current sources
  157. HiFi Premp schematics?
  158. 5 watts single ended amp
  159. noisy fan on Crest 2600
  160. Rotel RB-1010
  161. current boost lm317 prob.
  162. power amplifier mosfet
  163. Old Rotel Power Amp power input change
  164. A little bit of advice please
  165. Luxman L-100
  166. Sub for LF411CN op amp?
  167. "What's your reasoning?" and not "What's your belief?".
  168. Dr. Flatten, the bad designer with success near future
  169. Re: New error correction amp
  170. Ssl Question?
  171. opamp 'class A' biasing??
  172. JLH Class-A, component help
  173. Akai am-52 no right channel
  174. Symmetrical folded cascode.
  175. PS Audio "Gain Cell"
  176. Star ground w/ Dual capacitor banks
  177. Feedback
  178. Amp Repair - GAS Son of Ampzilla
  179. The King is dead, God save the King!
  180. burned JLH fuse by connecting to Tube preamp
  181. power supply for car amp.
  182. Two zeners to ground in audio input?
  183. 2sj200 ??
  184. Effect of Power Supply on Soundstage Width
  185. unkown transistor
  186. Mark Levinson 32 voltage conversion
  187. Can this circuit be usefull to audio amplifiers
  188. Ok, I admit i don't make any sense out of this
  189. Measuring amplifier gain
  190. Looking for balance preamp using NJM5565
  191. amplifier gain
  192. Jung regulator layout
  193. The "not so lowly" TL431
  194. Line level signal delay circuit
  195. Ultra High Current Mosfets from Hitachi
  196. Oscillating transformer buzz problem, please help!
  197. How to use SAE A501 Amp, 1980's
  198. jlh 80W
  199. Active xover help!
  200. Power transformer and Capacitor
  201. An ORCAD question
  202. (Aus) Biema pro amps for (sub)woofer use
  203. Usher pre-amp woes...
  204. Ancient amplifier, the old sound as some reference
  205. Can you help with my Buzz??
  206. Silly question, but it don't hurt to be sure :-)
  207. Q about building the Zenquito amp with 2SK1058 / 2SJ162
  208. inuput selector with display
  209. HELP! Differential Input Circuit
  210. PLEASE! Kenwood help!
  211. Very good tutorial on circuit design
  212. Transistors 2N6551/54
  213. Extra K135 Mosfets soon available
  214. Class A/B Biasing
  215. Tantalum resistors?
  216. Rotel RA311 Schematic Needed
  217. MarkLevinson ML3 schematics ?
  218. DC offset stability and operating point question.
  219. JLH Class-A help needed! [newbie alert]
  220. Marantz PM-94
  221. Overheating with low bias...
  222. Kenwood KAC-628 car amp
  223. MJE350 orcad model
  224. Taking a chance here - problem with DC voltages
  225. zen or jlh which sounds better
  226. Load Resistance as seen by PSU??
  227. convert Quad44 radio input to CD input
  228. my new amp project
  229. Rod Elliot P06 Riaa problem
  230. How 2 determin Unknown Xfrmr VA Rating?
  231. How 2 build a Dynamic Load tester?
  232. Speakers to match GC??
  233. Denon PMA 770 - Schematic & PCB layout - Anyone got one?
  234. amp problem?
  235. Marantz 74PM40 power transformer
  236. REQ Comment on PCB Layout
  237. Figuring out Output current.
  238. Supressed bias amplifier, automatic variable bias system.
  239. adding xtra transformer to cdp need help!
  240. The rail diode, is this a trick, is this a trap or a clever solution?
  241. DoZ cooling
  242. Akai AA-5800
  243. TNT InDiscreet phono amp
  244. 2SB1353 Transistor specs?
  245. Active lowpass filter + high rails
  246. looking for a replacement for pcb cad
  247. Looking for a good MOSFET amp and PCB
  248. Interesting books....
  249. Car amplifier blows - help
  250. 4A bias on a IRFP240n???

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