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  1. Ion Obelisk
  2. Mod Cyrus II power train for PSX?
  3. Heatkit IG 18 schematics please!
  4. NEED HELP! How to circumvent Onkyo M-501 Single Channel????
  5. Question on PS for class AB vs class A
  6. My First Amplifier!
  7. AMP!!!! Double output linkage.
  8. Kenwood Basic M2 - Intriguing Circuitry
  9. Help identifying Amp Module
  10. Please suggest a preamp
  11. Leach Superamp PCB
  12. how to calculate/approx rails
  13. what amp to build with these parts ?
  14. Amp design calculations please?
  15. Marantz 2270 Dial cord gauge
  16. Thinking in buy a Kit...500 bucks will fly.. and heat?
  17. Circuit simulation on Linux just became a bit easier
  18. short circuit protection
  19. transformer...
  20. power supply capacitor questions
  21. OPA627 + BUF634 Preamp PCB Design
  22. linear technology spice cad
  23. my amp makes a loud hum
  24. magnetic
  25. BUZ-amp
  26. Leach amp
  27. Stk4231 Pcb.
  28. Technics SU 7600
  29. Classe CAP-151 schematics
  30. what can i use...
  31. NAD 3020/7020 sound drop-out
  32. TDA 1554 pinnings
  33. PS wire width
  34. pspice questions
  35. 2n3055?
  36. what went wrong with my amp?
  37. Design for small amp.
  38. New here...
  39. best way to make pcb?
  40. mission cyrus II destroyed my woofer
  41. Transformer power, how much may i expect?
  42. HELP...I need a pic of a PCB...
  43. Marantz PM66SE schematic wanted
  44. oscilloscope question
  45. Nec Upc1298
  46. I want to make an amp with a Negative Output Resistance, but HOW??
  47. HP339A article Charles Hansen
  48. Amp Circuit of Opa+Mosfet/normal transistors.
  49. J L HOOD A/AB amp
  50. central ground in leach amp
  51. Stupid question
  52. A New Le Monstre Lives
  53. sequence of the 4 power transistors on heatsink
  54. isolating power transistor from heatsink
  55. my first transistor amp
  56. Triode Emulator
  57. motorola vs on semiconductor
  58. volume control and line out questions
  59. thermal resistivity k/w to c/w
  60. do I need to heatsink these?
  61. 231 hfe of MJ15004
  62. thermal runaway diodes
  63. Class B Biasing issues!
  64. Has anyone tried any Double C-core transformers? (4a SS amp kit)
  65. Amp using (only) IRFP260 output devices
  66. parallel voltage regulators to increase current?
  67. Krell KSA-250 not true class-A?
  68. Hello Enginners, Help, Help, Help!
  69. Kustom 250 amplifier, well done
  70. Frequency Dependant Damping?
  71. Onkyo M 508
  72. need some power amp!!
  73. Activ-Sub Project's IMAGES
  74. New Output Transistors for a Quad 405 (2)
  75. Etd 49 & 3c90 Help!!
  76. BD139/140 Overvoltage
  77. Pioneer A400 coupling caps
  78. non global nfb balanced MM ss phono preamp/amp
  79. 2n3055hv what is this?
  80. best way to connect this amp..
  81. Voltage regulator OP249 question
  82. depletion mode mosfet selection
  83. Sanken 2sa1492, Onkyo
  84. hybrid Amp project
  85. "Which linearity" is the best? Current, Voltage, Power?
  86. Sziklai emitter follower as voltage stabilizer
  87. Questions
  88. check out this transistor
  89. Need a power a 40Watt RMS Sub...
  90. Hawksford
  91. Interest Check: European version of Quail powercords
  92. Why are these fuses blowing
  93. list of transistors
  94. I need schematic for a big!!! amp
  95. How This Circuit Works
  96. Rega Elex service manual needed
  97. Stacking Toroidal Transformers.??
  98. Chattering Relay in Krell KSA-250
  99. superbridge ??
  100. high performance but cheap amp
  101. Hugh is expanding (AKSA amps)
  102. What is STK ?
  103. a few pics of my amp
  104. Sanyo DCA 411
  105. (Pre)amp on or off?
  106. songs which cause your amps to clip
  107. Small distance from ground, what will happens?
  108. cracking noise in P3a
  109. recall a classical MOSFET power supply
  110. Yamaha MX-630 Power Amplifier schematic wanted
  111. why a cermet pot?
  112. Help with surface mount work
  113. Tivoli Model1 PSU hum fix / upgrade?
  114. Marantz PM 75
  115. problem with my Levinson preamp
  116. power transistor recommendation
  117. OPMOSFET Amp
  118. 1KW amp design
  119. My new amplifier:)
  120. power supply sizing recomendations please
  121. gain calculations
  122. Background-noise in my new amplifier
  123. Power Transformers!
  124. Diod bap811
  125. Marantz pm 94 + Bias adjusting
  126. Powersuply mystery
  127. Simple and cheap
  128. Need a book sugestion
  129. Repair issue, please advise
  130. Heat Sink White Paper
  131. Amp choices-- advice
  132. Here are my Leach amp Ppictures
  133. post your leach amp photos
  134. Sound pressure, is that the same?
  135. help id these caps on picture
  136. Amp Problem
  137. Anyone with 4W class-A?
  138. can I use this cap? what about low inductance?
  139. help to build a transformer to car amp.
  140. Leach Amp with 12,000uF Caps
  141. Replacing the BF871 with the MJE340
  142. Mcintosh C26
  143. questions about this amplifier
  144. typical HFE's of 2N3440 and 2N5416
  145. bc550c and bc560c
  146. polyester vs metal film caps
  147. Do I want to much? Somebody help me!
  148. "bridge mode"
  149. how to identify fake transistors
  150. Long Tailed Pair Modification
  151. 78/79 vs. LM317/337 regulators
  152. Power Supplies 12 Volt?????
  153. Technics SA-X900L
  154. Free lcd displays
  155. p3a bias trouble, quick question :)
  156. Getting Both Channels out of my M-501
  157. AES amplifiers by Sgandurra
  158. what are the film capacitors?
  159. which capacitors to use in leach???
  160. Subwoofer amplifier with 2SA747 and 2SC1116
  161. wanted Depletion mosfet
  162. VAS current calculation
  163. Changing the NFB resistor to balance gain.
  164. TO-3 tran. replacement 2sc1445/2sa765
  165. Lowering gain of power amplifier, good idea?
  166. Any advice on attenuators?
  167. jetronics valvehybrid amplifier
  168. effect of fT(min) of transistors in amplifiers
  169. 3-terminal regulator IC protection
  170. What is most linear power Mosfet around?
  171. Samsung KSC2837 and KSA1186
  172. Converting spice2 POLY sources to spice3?
  173. Biasing for different classes
  174. Harmon/Kardon AVR35
  175. bending a lot of resistor leads
  176. capacitors in series in PSU
  177. Building Mark Levinson 38 preamp chassis from scratch
  178. tolerances of 1% metal film resistors
  179. 1N4747 diode in leach amp
  180. improve the linearity
  181. question about input stage
  182. Kenwood KA-88
  183. Is this amplifier good?
  184. Question about output stage used in open loop
  185. mica capacitors in amplifier
  186. 2 x 750va toroids sufficient for leach?
  187. Remote turn-on for power amp
  188. Pioneer Cd Mod's
  189. No tuner on HK 330c
  190. p400 382w8ohm
  191. ESL Problems after thier first run
  192. negative alw super regulator problem
  193. wanted a dual differential amplifier with all fet
  194. Hafler DH 101 preamp mods
  195. Problem with amp
  196. Wanted-schematics for Technics SU-V78
  197. What is the best amplifier project...?
  198. testing second hand filter caps
  199. Protecting loudspeakers in bridge amplifier
  200. Low-End Happiness
  201. capacitors NP vs. BP
  202. psu problem / ripple current / esr
  203. Zener + Emitter Follower voltage regulator
  204. Elektor crescendo ME vs ESP project101
  205. op-amps for phono stage
  206. hill dx1500 schematic
  207. Musical Fidelity B1
  208. Ac contents in dc PS?
  209. tinning a pcb
  210. resistors and capacitors in leach amp
  211. Subwoofer Plate Amp Crossover Not Working
  212. Low gain x circuit
  213. Marchand schematics + function gen software
  214. Adcom 535II question
  215. sound card input levels
  216. Need to oversize trafo?
  217. Maplin AV Amp 50 - Good for hacking?
  218. sharp cdba1700h
  219. Sankes is good... On-Semiconductor?
  220. No. of parallel BJT? Rule of thumb?
  221. Krell KSA100S cannot be turned ON
  222. Who have experience diy Hi-End amp using SMD component?
  223. Carver CM-1090
  224. SUV-78 schematics please?
  225. Tie PSU's for more current.
  226. 400watt amp @ 400watts VS 800watt amp @ 400watts
  227. How does clip protection work?
  228. I'm taking the plunge!
  229. Need help w/ replacing lights on HK 330c
  230. Problem getting boards for the Leach Amp
  231. NAD 7250PE Intermittent Distortion
  232. Problem with really simple circuit!
  233. ETALON-schematics?
  234. Is that smoke from my Krell KSA 100S?
  235. NAD 2200 PE schematics
  236. ad8610 class a bias +v rail or-v rail?
  237. Fuse resistances?
  238. Amplifier ranking 2
  239. Tweaks for NAD 3020
  240. Marantz 2275 - trouble in mono
  241. need help building a 50 W audio amp!
  242. Automatic Gain Control - 50W amp needs a good feedback schematic!
  243. Next JLH
  244. First cycle distortion - Graham, what is that?
  245. Just a small test I did on power supplies
  246. need help badly
  247. Power Monitoring
  248. DC offset on NAD302
  249. balanced and bridged amp question
  250. some questions on PA amp(pics)

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