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  1. my amp makes a loud hum
  2. magnetic
  3. BUZ-amp
  4. Leach amp
  5. Stk4231 Pcb.
  6. Technics SU 7600
  7. Classe CAP-151 schematics
  8. what can i use...
  9. NAD 3020/7020 sound drop-out
  10. TDA 1554 pinnings
  11. PS wire width
  12. pspice questions
  13. 2n3055?
  14. what went wrong with my amp?
  15. Design for small amp.
  16. New here...
  17. best way to make pcb?
  18. mission cyrus II destroyed my woofer
  19. Transformer power, how much may i expect?
  20. HELP...I need a pic of a PCB...
  21. Marantz PM66SE schematic wanted
  22. oscilloscope question
  23. Nec Upc1298
  24. I want to make an amp with a Negative Output Resistance, but HOW??
  25. HP339A article Charles Hansen
  26. Amp Circuit of Opa+Mosfet/normal transistors.
  27. J L HOOD A/AB amp
  28. central ground in leach amp
  29. Stupid question
  30. A New Le Monstre Lives
  31. sequence of the 4 power transistors on heatsink
  32. isolating power transistor from heatsink
  33. my first transistor amp
  34. Triode Emulator
  35. motorola vs on semiconductor
  36. volume control and line out questions
  37. thermal resistivity k/w to c/w
  38. do I need to heatsink these?
  39. 231 hfe of MJ15004
  40. thermal runaway diodes
  41. Super cheap guitar amp kit?
  42. Class B Biasing issues!
  43. Has anyone tried any Double C-core transformers? (4a SS amp kit)
  44. Amp using (only) IRFP260 output devices
  45. parallel voltage regulators to increase current?
  46. Krell KSA-250 not true class-A?
  47. Hello Enginners, Help, Help, Help!
  48. Kustom 250 amplifier, well done
  49. Frequency Dependant Damping?
  50. Onkyo M 508
  51. need some power amp!!
  52. Activ-Sub Project's IMAGES
  53. New Output Transistors for a Quad 405 (2)
  54. Etd 49 & 3c90 Help!!
  55. BD139/140 Overvoltage
  56. Pioneer A400 coupling caps
  57. non global nfb balanced MM ss phono preamp/amp
  58. 2n3055hv what is this?
  59. best way to connect this amp..
  60. Voltage regulator OP249 question
  61. depletion mode mosfet selection
  62. Sanken 2sa1492, Onkyo
  63. hybrid Amp project
  64. "Which linearity" is the best? Current, Voltage, Power?
  65. Sziklai emitter follower as voltage stabilizer
  66. Questions
  67. check out this transistor
  68. Need a power a 40Watt RMS Sub...
  69. Hawksford
  70. Interest Check: European version of Quail powercords
  71. Why are these fuses blowing
  72. list of transistors
  73. I need schematic for a big!!! amp
  74. How This Circuit Works
  75. Rega Elex service manual needed
  76. Stacking Toroidal Transformers.??
  77. Chattering Relay in Krell KSA-250
  78. superbridge ??
  79. high performance but cheap amp
  80. Hugh is expanding (AKSA amps)
  81. What is STK ?
  82. a few pics of my amp
  83. Sanyo DCA 411
  84. (Pre)amp on or off?
  85. songs which cause your amps to clip
  86. Small distance from ground, what will happens?
  87. cracking noise in P3a
  88. recall a classical MOSFET power supply
  89. Yamaha MX-630 Power Amplifier schematic wanted
  90. why a cermet pot?
  91. Help with surface mount work
  92. Tivoli Model1 PSU hum fix / upgrade?
  93. Marantz PM 75
  94. problem with my Levinson preamp
  95. Behringer ep1500/2500
  96. power transistor recommendation
  97. OPMOSFET Amp
  98. 1KW amp design
  99. My new amplifier:)
  100. power supply sizing recomendations please
  101. gain calculations
  102. Background-noise in my new amplifier
  103. Power Transformers!
  104. Diod bap811
  105. Marantz pm 94 + Bias adjusting
  106. Powersuply mystery
  107. Simple and cheap
  108. Need a book sugestion
  109. Repair issue, please advise
  110. Heat Sink White Paper
  111. Amp choices-- advice
  112. Here are my Leach amp Ppictures
  113. post your leach amp photos
  114. Sound pressure, is that the same?
  115. help id these caps on picture
  116. Amp Problem
  117. Anyone with 4W class-A?
  118. can I use this cap? what about low inductance?
  119. help to build a transformer to car amp.
  120. Leach Amp with 12,000uF Caps
  121. Replacing the BF871 with the MJE340
  122. Mcintosh C26
  123. questions about this amplifier
  124. typical HFE's of 2N3440 and 2N5416
  125. bc550c and bc560c
  126. polyester vs metal film caps
  127. Do I want to much? Somebody help me!
  128. "bridge mode"
  129. how to identify fake transistors
  130. Long Tailed Pair Modification
  131. 78/79 vs. LM317/337 regulators
  132. Power Supplies 12 Volt?????
  133. Technics SA-X900L
  134. Free lcd displays
  135. p3a bias trouble, quick question :)
  136. Getting Both Channels out of my M-501
  137. AES amplifiers by Sgandurra
  138. what are the film capacitors?
  139. which capacitors to use in leach???
  140. Subwoofer amplifier with 2SA747 and 2SC1116
  141. guitar amps
  142. wanted Depletion mosfet
  143. VAS current calculation
  144. Changing the NFB resistor to balance gain.
  145. TO-3 tran. replacement 2sc1445/2sa765
  146. Lowering gain of power amplifier, good idea?
  147. Any advice on attenuators?
  148. jetronics valvehybrid amplifier
  149. effect of fT(min) of transistors in amplifiers
  150. 3-terminal regulator IC protection
  151. What is most linear power Mosfet around?
  152. Samsung KSC2837 and KSA1186
  153. Converting spice2 POLY sources to spice3?
  154. Biasing for different classes
  155. Harmon/Kardon AVR35
  156. bending a lot of resistor leads
  157. capacitors in series in PSU
  158. Building Mark Levinson 38 preamp chassis from scratch
  159. tolerances of 1% metal film resistors
  160. 1N4747 diode in leach amp
  161. improve the linearity
  162. question about input stage
  163. Kenwood KA-88
  164. Is this amplifier good?
  165. Question about output stage used in open loop
  166. mica capacitors in amplifier
  167. 2 x 750va toroids sufficient for leach?
  168. Remote turn-on for power amp
  169. Pioneer Cd Mod's
  170. No tuner on HK 330c
  171. p400 382w8ohm
  172. ESL Problems after thier first run
  173. negative alw super regulator problem
  174. wanted a dual differential amplifier with all fet
  175. Hafler DH 101 preamp mods
  176. Problem with amp
  177. Wanted-schematics for Technics SU-V78
  178. What is the best amplifier project...?
  179. testing second hand filter caps
  180. Protecting loudspeakers in bridge amplifier
  181. Low-End Happiness
  182. capacitors NP vs. BP
  183. psu problem / ripple current / esr
  184. Zener + Emitter Follower voltage regulator
  185. Elektor crescendo ME vs ESP project101
  186. op-amps for phono stage
  187. hill dx1500 schematic
  188. Musical Fidelity B1
  189. Ac contents in dc PS?
  190. tinning a pcb
  191. resistors and capacitors in leach amp
  192. Subwoofer Plate Amp Crossover Not Working
  193. Low gain x circuit
  194. Marchand schematics + function gen software
  195. Adcom 535II question
  196. sound card input levels
  197. Need to oversize trafo?
  198. Maplin AV Amp 50 - Good for hacking?
  199. sharp cdba1700h
  200. Sankes is good... On-Semiconductor?
  201. No. of parallel BJT? Rule of thumb?
  202. Krell KSA100S cannot be turned ON
  203. Who have experience diy Hi-End amp using SMD component?
  204. Carver CM-1090
  205. SUV-78 schematics please?
  206. Tie PSU's for more current.
  207. 400watt amp @ 400watts VS 800watt amp @ 400watts
  208. How does clip protection work?
  209. I'm taking the plunge!
  210. Need help w/ replacing lights on HK 330c
  211. Problem getting boards for the Leach Amp
  212. NAD 7250PE Intermittent Distortion
  213. Problem with really simple circuit!
  214. ETALON-schematics?
  215. Is that smoke from my Krell KSA 100S?
  216. NAD 2200 PE schematics
  217. ad8610 class a bias +v rail or-v rail?
  218. Fuse resistances?
  219. Amplifier ranking 2
  220. Tweaks for NAD 3020
  221. Marantz 2275 - trouble in mono
  222. need help building a 50 W audio amp!
  223. Automatic Gain Control - 50W amp needs a good feedback schematic!
  224. Next JLH
  225. First cycle distortion - Graham, what is that?
  226. Just a small test I did on power supplies
  227. need help badly
  228. Power Monitoring
  229. DC offset on NAD302
  230. balanced and bridged amp question
  231. some questions on PA amp(pics)
  232. Marshall SRX Series
  233. A simple stereo Amp aroud a 2N3773
  234. samod's mosfet amp
  235. To good to be true?
  236. Looking for JLH 30 Watt articles
  237. overheating amp
  238. Power amp output - BJT or MosFET?
  239. VERY simple heaphone amplifier
  240. Le Monstre
  241. Offset Voltage Indicator?
  242. Do someone knows how to change the crazy way i wan't?
  243. Why bootstrap?
  244. Please,can you improve this amp, let me know how
  245. Symm-Amp Improvement
  246. Output fuse
  247. So Many Questions ...
  248. One channel louder... Rotel RA-971
  249. Pioneer SX-D7000 Receiver
  250. A New and Old circuit board, another way to assemble electronics

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