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  1. Preamp hum - any idea to minimize it? (Schematics added)
  2. Please help with NAD 1020 Pre-amp
  3. weird problem
  4. Increasing input Z on Leach amp
  5. Sugden A28 II schématic ?
  6. tl072cn replaced by opa2134
  7. Need some help deciding!
  8. Musical Fidelity A5
  9. Eagle PCB
  10. My version of a Slone preamp
  11. Technics SU-V570 schematic ?
  12. AD797, how to make the best of it
  13. schematic software
  14. Hafler DH200 DC Offset
  15. Helps/opinions needed before renewing my old Mini Crescendo amp
  16. Power Amp Design
  17. car amp voltage
  18. Quad 33 Please help!!!
  19. Gfa 555
  20. HK 330B Question
  21. Want To Convert My Washburn Bad Dog To 9v Power
  22. parasound halo a52 voltage
  23. DIT amp schematics ADCOM GFA585 rebuild?
  24. Aerovox vs Blackgate
  25. panasonic am capacitors
  26. How is the Quad 303 compared to 405-2 ?
  27. need echo circuit schematic does not have an ic in it
  28. Kenwood KAC 848 rail voltage fluctuating
  29. Lab.gruppen SS1300
  30. Schematics for Yamaha H7000 amplifier
  31. Solid Bb604 Amp
  32. Perfect sound search, this idea, HELP!, the long and insane search...
  33. J270 (P JFET) anyone?
  34. opinions on which plate amp
  35. Ev 7300a
  36. ML2 Overhaul Questions
  37. SKA GB150 or NxV200
  38. You PC amplifier can be modified to produce better sound
  39. How do the pinouts on Exicon mosfets work?
  40. OPA827 available
  41. Transistor testing question
  42. So Sick of SEARCHING, help me find a good +/- 24v regulator PLEASE!
  43. Blown Power Supply KSA 200s
  44. qsc RMX850 potmeter replacement
  45. HRII revisiting, have you experienced problems folks?
  46. Phonic Powerpod 740 schem
  47. Power amp schematic
  48. Yamaha C-80 preamp problem
  49. Building a +/- 24v Regulated PSU?
  50. help! pioneer a-400 thump
  51. Null Meter...build one?
  52. What parts in input board of Adcom 555 II
  53. DSE A2760 Amplifier (aka Koda-261)
  54. TL071 and TL072 upgrades
  55. What you always wanted to know on layouts...and now....you do!
  56. u/a capacitors
  57. NAD power lamps inside the enclosure
  58. Discrete I/V converter
  59. Adcom GFA-565 Driver Board Cancer
  60. Vintage Receiver Issues
  61. Help - replacement lamp for Yamaha M-50
  62. NAD 2150/3150 Schematic + advice
  63. Push Pull or Balanced?
  64. Gain and sensitivity question....
  65. Counterfeit 2SC5171 ?
  66. VFETs replacement, Sony TA-5650
  67. Tinned copper braid.
  68. Improved Diamond Buffer Design
  69. When Volume up - left channel sound prob ?
  70. bose 1801 repairs
  71. superscope, unfamiliar component
  72. Distribution Amp - How to switch off buffers independently?
  73. DIY amp to replace Rotel RB1090? LF100?
  74. Rotel RA840B Schematic
  75. K10amkii
  76. Service manual Request STR-DG720
  77. SR-92 sound problems
  78. yamaha pc2002m
  79. Faulty Audiolab 8000P
  80. Another jfet buffer
  81. Use board trace as a low value "resistor"
  82. schematic for yamaha pc2002m
  83. Suggestions for a diy amp.
  84. "ERROR -- Invalid Value"
  85. CAudio RA3001
  86. Audiolab 8000A fault
  87. Voxson H 305 schematics
  88. Blown capacitor question
  89. New to bi-amping
  90. Pioneer A-676 Service Manual needed
  91. Classe DR-25 transistors
  92. 5.1 Stereo Computer Amp
  93. Max safe operating temperature for transistors inside modified factory amplifier
  94. What to do with class A amplifiers to avoid some mufled treble
  95. RMI-FC100 MKII, single ended folded cascode VAS
  96. Patchwork Reloaded: Circuit Optimization and Board Layout.
  97. HT High Current Voltage Regulator
  98. about the bridging topology
  99. 10 000 watts from Sweden - Labgruppen
  100. Very different hybrid... opinions?
  101. Mod tips wanted:Denon Power Amp
  102. Building my system and wondering...
  103. Llano CAS 300
  104. zAh-ng amplifier, my amplifier..
  105. sherwood ax-7r
  106. NMOS Amplifier
  107. IGBT Still Alive
  108. AVR 210 Service Manual
  109. Another burnt Nikko Alpha 230
  110. Looking for Samick 6000 schematic or servicemanual
  111. DC300AII question
  112. How do I measure - 140 dB noise levels?
  113. Musical Fidelity A3.2cr Schematics
  114. Yamaha CP2000 needs schematic diagram...
  115. Jung/Gallo "LT" preamp and op-amps...
  116. Dim Bulb Testing: What to Expect
  117. UK EPE magazine project
  118. Rotel RB-976 schematic
  119. Best 100-W high fidelity audio NPN Transistor ?
  120. RCA RCP20N50 & RCP10N50 Data sheets?
  121. preamp 60 cycle hum help?? tube opamp
  122. Transformer Issue?
  123. Noise problem in Jeff Rowland Consonance
  124. HOW to modify .mod file?
  125. 120v/240v amplifiers
  126. adcom gfa5400
  127. Hacking a boom box for computer AC'7
  128. Yamaha MX-1000 Right Channel Oscillation
  129. Mystery circuit
  130. Zhaolu S60 Power Amplifier
  131. Yamaha CR-55 service manual needed
  132. First analog design -- knee function generator
  133. IRF building Gallium Nitride FETs
  134. RF .... real of topic
  135. zobel question
  136. Damping factor in DIY amp
  137. Best Preamp phono section
  138. Help with modding Technics SU-V90D ?
  139. arcam delta 290 trouble in power amp section please help
  140. Static like hissing sound eminating from power amp.
  141. The Little FET that Oscillated
  142. info for Revox a50?
  143. Hafler Pro-5000 Service Manuals??
  144. finding pre-amp outputs
  145. old transistor data
  146. Computer to Amp Buzz
  147. Sammik SM 6000
  148. i have a bose 1800 series 2 workstation amplifier worth????
  149. Buffer Power amp.
  150. i have arcam delta 290 service manual in pdf for email
  151. Arcam delta 290 p working but distorted sound
  152. Mosfet replacment
  153. Lowering temperature to the C300
  154. looking for a swr mo´bass amplifier schematics
  155. Booster amp
  156. need help ,how to removing transistor
  157. Would anybody know
  158. LME49600/LME49740 Headphome Amp
  159. gfa-555 one channel hot
  160. Simple Circuit to Pull a Transistor to Ground?
  161. Phase Linear 700 Series II - 60Hz Hum
  162. A400x volum pot clean?
  163. Kenwood KA-5040R: Bias current
  164. balanced amp
  165. ETI 470 + ETI471 Schematic
  166. Hiss From An Ampli Channel
  167. Single stage (sort of...) McPhono amp
  168. Ultra low noise measurement amp
  169. Pioneer A400X help. How to uninstall the input switch?
  170. Luxman LV-102 schematic.
  171. Pioneer SA7800 stv2h diode
  172. av400 help needed...please!!
  173. P3A layout
  174. Screaming Yamaha P2200 Question
  175. Another digitally-conrolled pre-amp
  176. Replace 2n3055 with MJ15003 in a MF-B1 - possible?
  177. OPA-Earth & OPA-Sun, Discrete Opamp diy kits
  178. Avnet.com experience
  179. 6 Channel Pre-Amp
  180. Here's the Hill Audio Chameleon Schematic
  181. Ampslab OK?
  182. Need Adcom GFA-585 repaired, Chicago Area
  183. 3 Pin regulated supply VS zener based supply
  184. measuring RIAA filter accuracy
  185. adcom GFA565 repair needed
  186. Trigger for Amplifier
  187. Problem with Pioneer SA 9800
  188. i want more 3d sound?
  189. all Gain Stages AMP
  190. Mosfet amp recap Obbligatto or Mundorf?
  191. Replacement for 2SK1058&2SJ162
  192. Help with some plate amps
  193. Parasound 5250 Faceplate
  194. Lightspeed Attenuator + Input selector
  195. Recapping Technics SU-V470
  196. Movig Coil VU Meters
  197. realistic schematics...
  198. How Bad Are The Amps In An Ipod Dock?
  199. more fakes .....
  200. sony ta ax44 amp problem
  201. Improving DC-servos
  202. I need to make this. I don't know how...
  203. Carver HR-752 making a loud buzzing
  204. av 2000
  205. Preamplifier wave forms
  206. Nakamichi BX-300 Repair Manual
  207. PSAudio P300 mods with photos
  208. "An Adjustment-Free Complementary Power Amplifier" by J.Diamond
  209. Considerations about opamp based preamp
  210. Push-Pull Output Stage MOSFET Tester
  211. xr2206 problems
  212. Mod ideas for McIntosh MC252
  213. 10-20 Watts Super Single Ended Class A
  214. Yamaha RX V496 - i am needing the schematic
  215. se max voltage
  216. Help!!! Hafler se240 problem
  217. How do I make a volume control for a electret mike
  218. Balanced shunt pot in front of a differential receiver
  219. 2SJ50 and 2SK135 mosfet transistors
  220. C-Audio RA4001
  221. Irf 513 Circuits
  222. heatsink idea
  223. Ground loop/hum on Inca Designs ID1P/ID75
  224. Service manual for TEAC A-919 DC
  225. Help with Mosfet module please
  226. receiver ouput stage problem?
  227. sinotec pa system
  228. Amped HDS Speakers
  229. Parasound HCA-2205AT
  230. Mod a Marchand XM9 Electronic Crossover
  231. pioneer a400 schematic
  232. Mix of GB and F5 Amps idea
  233. Where to Start
  234. good preamp
  235. Amp emits deafening hum when I switch the kitchen light off!
  236. Marantz PM-50 Service Manual
  237. can anyone help with CCS
  238. Carver PM-1.5 Working but Protection Light On
  239. Different Gains Correction (VAS solution)
  240. SPICE models for MJ3001/2501
  241. Tube-Mosfet Single-Ended Amplifier!
  242. Anyone have info on Denon POA-2400?
  243. Audire Otez amplifier
  244. pioneer a400
  245. MOSFET sub. for ESP proj. 101
  246. I need an amp
  247. Line stage modification
  248. Balanced outputs used as inverting & Non-inverting preamplier outputs
  249. Help identify PA board
  250. NAD 106 pre gain changes

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