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  1. JFET CS design, how? (and possible SPICE oddity)
  2. Matched 2SK1530/2SJ201
  3. solid state
  4. Hafler P-230 recondition
  5. Balanced audio distribution amplifier
  6. Yamaha EMX3500 repair - help needed
  7. New Member and Biema Q400 question
  8. Class A design question
  9. parallel complementary stage
  10. Beginner Project needed...
  11. Looking into building a compressor
  12. Fixing Amp - No Ideas
  13. Troubleshooting NAD C350
  14. Sumo Andromeda mods
  15. Preamp hum - any idea to minimize it? (Schematics added)
  16. Please help with NAD 1020 Pre-amp
  17. weird problem
  18. Increasing input Z on Leach amp
  19. Sugden A28 II schématic ?
  20. tl072cn replaced by opa2134
  21. Need some help deciding!
  22. Musical Fidelity A5
  23. Eagle PCB
  24. My version of a Slone preamp
  25. Technics SU-V570 schematic ?
  26. AD797, how to make the best of it
  27. schematic software
  28. Hafler DH200 DC Offset
  29. Helps/opinions needed before renewing my old Mini Crescendo amp
  30. Power Amp Design
  31. car amp voltage
  32. Quad 33 Please help!!!
  33. Gfa 555
  34. HK 330B Question
  35. Want To Convert My Washburn Bad Dog To 9v Power
  36. parasound halo a52 voltage
  37. DIT amp schematics ADCOM GFA585 rebuild?
  38. Aerovox vs Blackgate
  39. panasonic am capacitors
  40. How is the Quad 303 compared to 405-2 ?
  41. need echo circuit schematic does not have an ic in it
  42. Kenwood KAC 848 rail voltage fluctuating
  43. Lab.gruppen SS1300
  44. Schematics for Yamaha H7000 amplifier
  45. Solid Bb604 Amp
  46. Perfect sound search, this idea, HELP!, the long and insane search...
  47. J270 (P JFET) anyone?
  48. opinions on which plate amp
  49. Ev 7300a
  50. ML2 Overhaul Questions
  51. SKA GB150 or NxV200
  52. You PC amplifier can be modified to produce better sound
  53. How do the pinouts on Exicon mosfets work?
  54. OPA827 available
  55. Transistor testing question
  56. So Sick of SEARCHING, help me find a good +/- 24v regulator PLEASE!
  57. Blown Power Supply KSA 200s
  58. qsc RMX850 potmeter replacement
  59. HRII revisiting, have you experienced problems folks?
  60. Phonic Powerpod 740 schem
  61. Power amp schematic
  62. Yamaha C-80 preamp problem
  63. Building a +/- 24v Regulated PSU?
  64. help! pioneer a-400 thump
  65. Null Meter...build one?
  66. What parts in input board of Adcom 555 II
  67. DSE A2760 Amplifier (aka Koda-261)
  68. TL071 and TL072 upgrades
  69. What you always wanted to know on layouts...and now....you do!
  70. u/a capacitors
  71. NAD power lamps inside the enclosure
  72. Discrete I/V converter
  73. Adcom GFA-565 Driver Board Cancer
  74. Vintage Receiver Issues
  75. Help - replacement lamp for Yamaha M-50
  76. NAD 2150/3150 Schematic + advice
  77. Push Pull or Balanced?
  78. Gain and sensitivity question....
  79. Counterfeit 2SC5171 ?
  80. VFETs replacement, Sony TA-5650
  81. Tinned copper braid.
  82. Improved Diamond Buffer Design
  83. When Volume up - left channel sound prob ?
  84. bose 1801 repairs
  85. superscope, unfamiliar component
  86. Distribution Amp - How to switch off buffers independently?
  87. DIY amp to replace Rotel RB1090? LF100?
  88. Rotel RA840B Schematic
  89. K10amkii
  90. Service manual Request STR-DG720
  91. SR-92 sound problems
  92. yamaha pc2002m
  93. Faulty Audiolab 8000P
  94. Another jfet buffer
  95. Use board trace as a low value "resistor"
  96. schematic for yamaha pc2002m
  97. Suggestions for a diy amp.
  98. "ERROR -- Invalid Value"
  99. CAudio RA3001
  100. Audiolab 8000A fault
  101. Voxson H 305 schematics
  102. Blown capacitor question
  103. New to bi-amping
  104. Pioneer A-676 Service Manual needed
  105. Classe DR-25 transistors
  106. 5.1 Stereo Computer Amp
  107. Max safe operating temperature for transistors inside modified factory amplifier
  108. What to do with class A amplifiers to avoid some mufled treble
  109. RMI-FC100 MKII, single ended folded cascode VAS
  110. Patchwork Reloaded: Circuit Optimization and Board Layout.
  111. HT High Current Voltage Regulator
  112. about the bridging topology
  113. 10 000 watts from Sweden - Labgruppen
  114. Very different hybrid... opinions?
  115. Mod tips wanted:Denon Power Amp
  116. Building my system and wondering...
  117. Llano CAS 300
  118. zAh-ng amplifier, my amplifier..
  119. sherwood ax-7r
  120. NMOS Amplifier
  121. IGBT Still Alive
  122. AVR 210 Service Manual
  123. Another burnt Nikko Alpha 230
  124. Looking for Samick 6000 schematic or servicemanual
  125. DC300AII question
  126. How do I measure - 140 dB noise levels?
  127. Musical Fidelity A3.2cr Schematics
  128. Yamaha CP2000 needs schematic diagram...
  129. Jung/Gallo "LT" preamp and op-amps...
  130. Dim Bulb Testing: What to Expect
  131. UK EPE magazine project
  132. Rotel RB-976 schematic
  133. Best 100-W high fidelity audio NPN Transistor ?
  134. RCA RCP20N50 & RCP10N50 Data sheets?
  135. preamp 60 cycle hum help?? tube opamp
  136. Transformer Issue?
  137. Noise problem in Jeff Rowland Consonance
  138. HOW to modify .mod file?
  139. 120v/240v amplifiers
  140. adcom gfa5400
  141. Hacking a boom box for computer AC'7
  142. Yamaha MX-1000 Right Channel Oscillation
  143. Mystery circuit
  144. Zhaolu S60 Power Amplifier
  145. Yamaha CR-55 service manual needed
  146. First analog design -- knee function generator
  147. IRF building Gallium Nitride FETs
  148. RF .... real of topic
  149. zobel question
  150. Damping factor in DIY amp
  151. Best Preamp phono section
  152. Help with modding Technics SU-V90D ?
  153. arcam delta 290 trouble in power amp section please help
  154. Static like hissing sound eminating from power amp.
  155. The Little FET that Oscillated
  156. info for Revox a50?
  157. Hafler Pro-5000 Service Manuals??
  158. finding pre-amp outputs
  159. old transistor data
  160. Computer to Amp Buzz
  161. Sammik SM 6000
  162. i have a bose 1800 series 2 workstation amplifier worth????
  163. Buffer Power amp.
  164. i have arcam delta 290 service manual in pdf for email
  165. Arcam delta 290 p working but distorted sound
  166. Mosfet replacment
  167. Lowering temperature to the C300
  168. looking for a swr mo´bass amplifier schematics
  169. Booster amp
  170. need help ,how to removing transistor
  171. Would anybody know
  172. LME49600/LME49740 Headphome Amp
  173. gfa-555 one channel hot
  174. Simple Circuit to Pull a Transistor to Ground?
  175. Phase Linear 700 Series II - 60Hz Hum
  176. A400x volum pot clean?
  177. Kenwood KA-5040R: Bias current
  178. balanced amp
  179. ETI 470 + ETI471 Schematic
  180. Hiss From An Ampli Channel
  181. Single stage (sort of...) McPhono amp
  182. Ultra low noise measurement amp
  183. Pioneer A400X help. How to uninstall the input switch?
  184. Luxman LV-102 schematic.
  185. Pioneer SA7800 stv2h diode
  186. av400 help needed...please!!
  187. P3A layout
  188. Screaming Yamaha P2200 Question
  189. Another digitally-conrolled pre-amp
  190. Replace 2n3055 with MJ15003 in a MF-B1 - possible?
  191. OPA-Earth & OPA-Sun, Discrete Opamp diy kits
  192. Avnet.com experience
  193. 6 Channel Pre-Amp
  194. Here's the Hill Audio Chameleon Schematic
  195. Ampslab OK?
  196. Need Adcom GFA-585 repaired, Chicago Area
  197. 3 Pin regulated supply VS zener based supply
  198. measuring RIAA filter accuracy
  199. adcom GFA565 repair needed
  200. Trigger for Amplifier
  201. Problem with Pioneer SA 9800
  202. i want more 3d sound?
  203. all Gain Stages AMP
  204. Mosfet amp recap Obbligatto or Mundorf?
  205. Replacement for 2SK1058&2SJ162
  206. Help with some plate amps
  207. Parasound 5250 Faceplate
  208. Lightspeed Attenuator + Input selector
  209. Recapping Technics SU-V470
  210. Movig Coil VU Meters
  211. realistic schematics...
  212. How Bad Are The Amps In An Ipod Dock?
  213. more fakes .....
  214. sony ta ax44 amp problem
  215. Improving DC-servos
  216. I need to make this. I don't know how...
  217. Carver HR-752 making a loud buzzing
  218. av 2000
  219. Preamplifier wave forms
  220. Nakamichi BX-300 Repair Manual
  221. PSAudio P300 mods with photos
  222. "An Adjustment-Free Complementary Power Amplifier" by J.Diamond
  223. Considerations about opamp based preamp
  224. Push-Pull Output Stage MOSFET Tester
  225. xr2206 problems
  226. Mod ideas for McIntosh MC252
  227. 10-20 Watts Super Single Ended Class A
  228. Yamaha RX V496 - i am needing the schematic
  229. se max voltage
  230. Fender Roc Pro 1000 Feedback Problem
  231. Help!!! Hafler se240 problem
  232. How do I make a volume control for a electret mike
  233. Balanced shunt pot in front of a differential receiver
  234. 2SJ50 and 2SK135 mosfet transistors
  235. C-Audio RA4001
  236. Irf 513 Circuits
  237. heatsink idea
  238. Ground loop/hum on Inca Designs ID1P/ID75
  239. Service manual for TEAC A-919 DC
  240. Help with Mosfet module please
  241. receiver ouput stage problem?
  242. sinotec pa system
  243. Amped HDS Speakers
  244. Parasound HCA-2205AT
  245. Mod a Marchand XM9 Electronic Crossover
  246. pioneer a400 schematic
  247. Mix of GB and F5 Amps idea
  248. Where to Start
  249. good preamp
  250. Amp emits deafening hum when I switch the kitchen light off!

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