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  1. Tone control for my Leach amp.
  2. pioneer SA-6500 II problem
  3. summing channels
  4. Alternative transistor to 2sk2145
  5. Anyone know the date code on these?
  6. Need Schematic of Yamaha PE-100
  7. FF vs EC
  8. Okay, okay...
  9. Do I always need an output coupling cap?
  10. Emitter resistor values??
  11. Anyone know what these were?
  12. preamp-cap-buffer
  13. converter 120v to 220v
  14. kenwood KAF-3030R service manual
  15. is this a good idea???
  16. Fired up DoZ project amplifier
  17. Substitute for IRF223 & IRF9233
  18. Is anyone familiar with Sansui G22000's power amplifier section?
  19. pioneer SA-1520
  20. Nikko Alpha II amp troubleshooting
  21. DoZ power supply
  22. Amplifier For my Dynaudio Nuance
  23. Tonecontrols for the LeachPreamp
  24. NEW AMPLIFIER PCB-Any Interest?
  25. Sound of dud zener or 7824 regulator
  26. searching for transistors
  27. Casing dimensions
  28. Parasound HCA - 1500A Secondary Voltage values
  29. 150 Watt / 8ohm @ 30V or 55V with good efficiency?
  30. question about biasing
  31. why is car audio cheap?
  32. Transformer windings identifications - how to get it?
  33. Mosfets are they that sensitive? like if i touch its pins then will they be destroyed
  34. Class-AABB output stage.
  35. NE5532 to AD825 adapter
  36. Help with parasound PHP-850 hiss
  37. Hafler amp parallel output transistors
  38. cello encore 150 capacitor spare problems
  39. Has anyone used this product???
  40. buffer with balanced output
  41. First build completed
  42. Bass Amplifier for biamping - What type?
  43. Input sensitivity
  44. Nelson Pass discrete op-amp.
  45. Paralleling large number of Mosfets.
  46. Big power for 8 ohms subwoofer
  47. OP_Line Amp_02
  48. OP Line Amp
  49. What happen with this transistor?
  50. On/Off Switch
  51. Sony V-Fet Amp TA-N7B problem
  52. What is Dynamic Headroom?
  53. Transistor replacement
  54. schematic
  55. marantz 1060 makes frying noise at power-up
  56. Hawk a-18 amplifier
  57. New CCS Idea
  58. no zero-crossing dissortions in op-amp designs ?!?
  59. voltage conversion for krell audio video standard
  60. Guitar pickup internal preamp
  61. opamp driver stage
  62. Anyone use these caps in an amp?
  63. mos-fet amplifier question ...
  64. New bridged quad 909 power amp
  65. marantz pm55 problem
  66. reciever prob
  67. Output protection
  68. TAN7 Manual
  69. Quad 66 pre amp output
  70. Marantz 300DC Schematics
  71. Bias Rules of Thumb??
  72. Trimming ganged potentiometers with... trimpots?
  73. Schematic for rocksonic PA-760
  74. cyrus 7 and 8
  75. Sub Amp..in need of direction
  76. Holton separate power supply for imp/output!
  77. TO-3 Drilling Jig
  78. Bridging an H&H m900 (400w/ch@4ohm) to run two 16ohm H&H Bass Bins in parallel?
  79. Vdd calculator (which thread)?
  80. schematics of philips cdc775
  81. Wierd mixer problem..
  82. krell kma amplifiers adjusting bias anyone know anything ?
  83. Dried Capacitors
  84. Blocking capacitor as a high pass filter?
  85. My discrete opamp
  86. Sanken dealer in the US
  87. Amp to Computer Hummmm
  88. Slones Totem Pole Design
  89. Problems never end - quietscent current!
  90. Sansui 7000 reciever
  91. Amplifier ouput relays
  92. A New Amp Project 36 By Rod
  93. Leach Amp wiring question
  94. What causes motorboating with 4 ohms?
  95. 2sc5200/2sa1943
  96. Out Put Transistors
  97. High output impedance amplifier power
  98. schematic wanted
  99. Quad 606 modifications
  100. Preamp PCB
  101. How do you judge your equipment?
  102. can I disable van of my PA-amp?
  103. old aem6010
  104. Did u hear about Crescendo amps... ive heard that from Hunter Audio India...
  105. Leach amp - Almost done
  106. Yorkville PA powered head distortion
  107. tweak rotel pre amp
  108. Harman Kardon A401
  109. Leach Super Amp Pcb Re-Design (LSAPRD)
  110. Troubleshooting Help
  111. Soundstage with Class A/AB amps
  112. Leach wide bandwidth preamp.
  113. Op-amp open loop bandwidth.
  114. Hafler DH-225 and P-230
  115. Do this amp gives the freq response to 100khz?
  116. Floating caps, Hafler E+I's etc
  117. Nad 2200
  118. amplifier sound quality
  119. Linx power amp Ground loop? Oscillation? I'm a bit lost :-(
  120. Harman Kardon amp
  121. Help with Yamaha RA50
  122. Any early Krell Preamp schematics?
  123. I'm sweating this one.
  124. Ampli EPAM 75
  125. Anyone has Gryphone Antileon schematic ?
  126. Using enamelled copper wire
  127. Marchand PM224 MOSFET Module
  128. Luxman R-1050
  129. 2sc3298 & 2sa1306 Datasheets
  130. Upgrade advice - general and specific (Quad 33/303)
  131. Pioneer SA-8500 opinions ?
  132. Power Crest Factor
  133. Hafler 200 input strangeness
  134. Preamp schematic.
  135. does MOSFET need thermal compensation ?
  136. Old link to preamp schematics
  137. Us acoustics amp question
  138. Question about preamp feeding multiple outputs
  139. leach amp output problem
  140. Important Paper...
  141. eti 480 build problems
  142. Quad 405 mod
  143. velodyne spl 800 voltage
  144. Aunt Corey's preamp questions
  145. about ksa-100
  146. Harman Kardon A-401 Preamp Chaining??
  147. Anyone tried anything like this ?
  148. Pioneer A400 Phono stage
  149. Looking for Amp project suitable for a 35V and 15V Transformers?
  150. OPTI-MOS using 50-0-50 450VA TRAFO
  151. Another error correction output stage.
  152. Power transistors for DoZ?
  153. New Onsemi Devices
  154. Kenwood KA59 - KA89
  155. Phase Linear Turnoff Thump
  156. Check out the new Mosfet/Cmos tester!
  157. electronic crossover input impedancce
  158. McIntosh Schematic - Mac 250 transistor power amp?
  159. any reccomended mods for the elliot P3A?
  160. use of wood as enclosure
  161. Pavel's PM-A1 vs. Aleph 3
  162. SONY TAN80-ES questions
  163. Cyrus 3 amp problem
  164. Swapping IRFP9240/240's for SC5200/SA1943's??
  165. 22W OTL amplifier circuit
  166. I had used Audire Parlando
  167. floating charge supply
  168. How to blow an output transistor
  169. Optimum OpAmp Noise Performance
  170. 'parasound'
  171. PA amp vs. Hifi amp
  172. sources of 2SC5200/A1943
  173. Naim NAP90 amp schematics...
  174. "Never switching off" amp-is it possible in reality?
  175. High Current Amps
  176. nad 3020 SERIES 20 service manual
  177. Harman Kardon avr 20mkII, need help!
  178. Audire Parlando
  179. A Break thouogh fom B&O ??
  180. AR Amp
  181. Would this circuit work???
  182. Amplifier design: how to connect a stage with the next one?
  183. Yamaha A400; bias too high after driver chip replacement
  184. short-circuit protection in mosfet's amp...??
  185. Marantz MR 1130
  186. Leach opamp
  187. help identify spare 2SC2579 manufacturer
  188. BGW 750B output modules
  189. Power MOSFET class AB biasing
  190. RC constants & power amps
  191. leach amp trouble.....HELP!
  192. BJT spice model from datasheet - HOW TO?
  193. Setting the bias on an ESP P101
  194. Plate amps?
  195. 1600watt!!! power amp
  196. hk 770 snap crackle pop
  197. ps bypass caps on sub plate amp?
  198. BMM Electronics
  199. Old Parasound gear???
  200. Musical Fidelity Schematics?
  201. RCA thread - need a tap. What size?
  202. Mark Levinson 9 and 10 schematics needed
  203. Hafler Dh 220 muffled channel
  204. Search for the Sugden A21 schematic
  205. Citation 17 pre
  206. New TI chip unbal to bal
  207. Which NTC to limit inrush current
  208. 'active feedback' for distortion cancellation
  209. Building a audio preamp
  210. Wml Bias Problem
  211. Schematics for Heathkit AA-2500 Power Amp?
  212. OPA627 in class A - swap to 134 or 604?
  213. Randy Slone 6.6 design
  214. hafler DH-100 series 2 vs non series 2
  215. Links to High Current Regulated Power Supply?
  216. Preamp for mosfet amp...
  217. CCS Voltage Reference
  218. PSL Ve 2400 amplifier
  219. Current Source SPICE Model
  220. How much distortion can we hear?
  221. P68 Overheating!!
  222. Oscillation
  223. Isolating a hum?
  224. Missing schematics
  225. Hypex Active Amplifiers
  226. Is this fake, it blows too much easy for a rudged TIP36 transistor
  227. LEVINSON 333 Schematic??
  228. Parasound Preamp Troubleshooting
  229. P88 preamp power supply
  230. recommendations for mosfets?
  231. how to determine optimum load for source follower??
  232. Dual Devices
  233. Crown CE 2000 Help
  234. JFET swap in microphone - 2N3819, 2SK170
  235. Need help with a vintage stereo!
  236. CRCRC vs. LCLCLC which is better and why?
  237. Mosfet power follower (Pavel Macura)
  238. 990 discrete opamp
  239. How to cancel odd order harmonics?
  240. The big assembly question!
  241. how much power can i get fro IRFZ44?
  242. Simple OCL AMP
  243. HELP! Need Amp Info
  244. What to do with my leftover Toshibas
  245. No left channel on Technics SA-303
  246. 20W amp optimized for 1 Ohm load
  247. inverting / non-inverting op-amp circuits
  248. High quality amp with 2sk1530 and 2sj21
  249. External PS for Leach amp.
  250. Problems with bias setting

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