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  1. Need Service Manual(s) for Stax X1t and CA-X
  2. Modified JLH Amp
  3. Simple Loudspeaker Protection Circuit
  4. Calculatin VAS gain with CCS
  5. Need help in finding stability margins/loop stability in LTspice for my amp
  6. JFet Preamplifier - Help needed..
  7. Suitable Amplifier for my loudspeakers
  8. What are the best way of de-funking electronics?
  9. basic electronics repair question - Sansui G5500
  10. Distortion in 20 year old push pull transistor ahuja amplifier
  11. Starting out in DIY Solid state
  12. Yamaha p2100 diagnosis help
  13. Simulating real-world loads?
  14. Antilia 5 evolution
  15. dennesen jc 80 repair
  16. Mosfet-amp module in Class-B
  17. A new toy to play with: the Symclophone
  18. Symmetrical topology - My new designing
  19. M400 diy kit with 2SK1058/J162 chip
  20. Which amp would you choose?
  21. low pass filter choice at input
  22. NEC X-10II
  23. re3doute
  24. lil Amp - Class A
  25. Advice needed for a 2cL power amp $800 limit
  26. Amp Recommendation under $1k
  27. 8x MicPreamp
  28. Custom Volume Control
  29. Bigger caps on Ayre V5xe ?
  30. Advice on volume control repair
  31. NAD 3140 service manual>>>anyone?
  32. What type of capacitor is needed for Ground Loop Breaker?
  33. Replacing STK 3122 III for STK 3152 originals or 3122 III Generics?
  34. Rotel RB-990BX Blown Channel Help
  35. WNA Class AB 125W Mosfet Amp Schematic Discussion
  36. Better Sounding Transistor?
  37. class A amp with transistors sound better with 200ma bias per trans x 5
  38. toshiba 2SC5949 2SA2121 better than 5200 1943?
  39. A good mono block case deal
  40. NAD 3020e - Clicking Sound - Troubleshooting
  41. sk170 sj74
  42. Cyrus Two upgrade, tweaks.
  43. Please help
  44. a question about mosfets matching
  45. possibility of single power supply for the LME49830 amps?
  46. bora omega
  47. Technics SU-V4 idle current and clamp voltage adjustment confusion
  48. Ampli Technics SU-C03
  49. Inverting SS Amplifiers Destroy Sound Quality
  50. what is Vref+ and Vref- in class H amplifier sch attached in the thread..
  51. Grommes G125M
  52. lm1875 bridge lm3886
  53. Musical Fidelity A5 Integrated
  54. Pioneer SA-7500
  55. splitting exising AV amp into separate boxes... worth it?
  56. Audio of Oregon CC-3 output transistor replacement
  57. Bryston 3B Repair procedure.
  58. ADCOM Transformer VA Rating Question
  59. sansui AU2900
  60. studiomaster vision 8 fault
  61. Local instabilities! Need help!
  62. Aura Evolution VA100 ii
  63. Fake 2N3055?
  64. hitachi hma-7500 mk2
  65. Repairing Bryston 3B, how to match biasing transistors
  66. INA217 Mic Preamp
  67. Cambridge Audio A500 - nothing from the pre-amp stage.
  68. Electronics World article
  69. Hafler DH120 & P125
  70. sakura av-2210 diagram
  71. TDA7293 2.1 Power amplifier board
  72. troubleshooting amp
  73. ZCA - Load resistor....
  74. TGM8 - an amplifier based on Rod Elliot P3a
  75. New amp design on elektor
  76. power amp - acceptable offset
  77. newbee phase splitter question
  78. Replacement MKP with long leads -- good idea?
  79. AMPLIMOS one stage
  80. Switching off amplifier makes pop noise
  81. Proton (NAD) 520 - replacement part
  82. Adcom GFA-545 Distortion LED Lit -w/schematic
  83. LME49810/11/30 without transistors?
  84. Moderator - I have a favor to ask regarding transistors for audio use
  85. Problem of noise when DIY Mosfet amp connected to sound card
  86. Amp for Usher S520 -MX50 SE or DX Blame ST?
  87. Suggest an Amp
  88. PCB for Amplifier with 2n3055/2mj2955
  89. Negative feedback?
  90. Parasound HCA 1000- Need Power Switch
  91. The "most powerful" Audio Transistors on today's market - Any experience with these ?
  92. Hi-Fi RIAA Phono Preamp
  93. Lme49810 with 2SC3263 & 2SA1294 output HELP!!!
  94. Bass speaker amplifier?
  95. cross-over problem
  96. Adjust your amplifier with a level!
  97. 70s Marantz PM 550 DC with silent left channel
  98. Voltage Controlled Attenuator
  99. SMT connection to copper pour?
  100. My stereo amplifiers produce mono output with stereo source!
  101. Are these 2 schematics good?
  102. quad 405 clone oscillation
  103. Nad T 763 hum in one channel but goes as warms up?
  104. Toshiba transistor recommendation for 50W Amplifier
  105. can one LME49810 drive one pair of 2sc5200 2sa1943?
  106. Very big polystyrene caps in size
  107. Tone control with frequency selector
  108. Quad 50
  109. Dx Juan layouts ideas PCB
  110. Dx Blame ST revisiting
  111. Jeff Rowland Coherence 1 - Schematic for the Modules wanted
  112. NAD 325BEE will not turn on
  113. GAS 500 Ampzilla, Thaedra II
  114. Recommendations for off-the-shelf amplifier?
  115. The question of feedback
  116. Safe Ampere Rating for 230VAC On/Off Switch for my Quad 405 Amplifier
  117. LJM L10-1 class a biasing
  118. ARCAM ALPHA 10 flashing red LED
  119. Threshold SA/4e & Threshold FET 10 hl
  120. Where did this amplifier board came from (VINTAGE!)
  121. Low noise transistor
  122. Amplifier with 2n3005/Mj2955
  123. marantz 16 bias/dc offset help
  124. Work In Progress... Leach Based Amplifier
  125. How to bias HK990
  126. VSSA Through-Hole-PCB build thread
  127. Jungson JA-88D crackling and static fixed!
  128. Diamond Differential Amplifier
  129. Constellation audio
  130. Please help with amp-decision
  131. Schematic download site
  132. Hafler DH500 PC-19 Problem
  133. KSW-12 with a blown amp (was told to post here)
  134. Complimentary pairs - matching other parameters
  135. Problem with a Dayton SA1000 Sub Amp
  136. YAMAHA PC 2002M POWER AMP
  137. Too much DC offset in P3A
  138. Exicon Lateral Mosfet doubts
  139. cheep zeners at Mouser
  140. Can someone give me more info about this amplifier?
  141. Testboard LME49830
  142. Schematic of NASA space antenna receivers or LNBs ?
  143. A1145 and C2705 interchangability?
  144. Acoustic Research S12HO
  145. Modify Luxman R-117 for DC offset Adjustment
  146. Making a simple Preamp
  147. OPA1642&LME49600 IV&AMP
  148. 60W simple Audio amplifier with TL071
  149. SKA 150watt monobloc build log. 3D designed chassis.
  150. Pathé Marconi PA 3511V
  151. Inserting a Lpad ....simples?
  152. Conrad Johnson's Solid State Amplifier Series "Motif"-new for me:Are there any Infos?
  153. balanced output Single Ended Class A
  154. Cyrus L,R balance
  155. Braiding yes or no
  156. Creek amp,hum noise
  157. Advent 300
  158. four star
  159. Question regarding BHC T-Net and Slitfoil Capacitor
  160. NAD 2100 input impedance/caps question
  161. B&K EX-442 Mods?
  162. Which amplifier is more stronger ?
  163. Benchmark has a NEW power amp.The best ?
  164. Luxman L-200
  165. nirvana amplifier
  166. Can I change capacitor for input transformer here?
  167. Newbie needs help with QSC MX700
  168. Kenwood L-09M Repairs
  169. Cyrus L,R balance
  170. Indicator lights out on my STA-2000?
  171. Battery to run small practice amp working but need help!
  172. Magnavox AstroSonic Imperial Switch on back
  173. MPF 102 Frustration
  174. Preamplifier heat
  175. Denon poa-2400 intermittent problem
  176. Recommend amp project for new member
  177. do all Amps need dc-protection ?
  178. Who is Lazy Cat and why is his amps so popular?
  179. TRANSISTOR SUBSTITUTEs
  180. RF Punch 60ix!
  181. Aragon 4004mkII: power light on, fuses all good, no sound
  182. Best Amplifier for £100
  183. Unknown connector???
  184. In what situation would a fuse on the primary windings help?
  185. Kenwood KA-3500 Amp hum transformator noise
  186. searching transistors
  187. schematics Kenwood km993
  188. Defektive processor Marantz SR-14!
  189. Grounded bridge implementation with LME49830?
  190. Matching of ECW20N20-Z easier as stated in the Profusionplc site
  191. what happens if the voltage of the output stage exceeds the VAS Stage in LME amps
  192. Drivers for the Exicon Lateral Mosfets? ECW20N20-Z n ECW20P20-Z
  193. Triangle TE-60 does anyone know how to bias?
  194. Yamaha MX-1000 pre amp question
  195. Yamaha MX-1000 pre amp question
  196. SOA Calculations
  197. Base current in a differential amplifier
  198. Sharp SX-9860
  199. Why so few SEPP designs ?
  200. how to remove the subsonic filter of my rega inteamp
  201. Faster VAS/driver transistors
  202. Touble with Rod Elliott´s M27A Poweramp distortion
  203. Transformer Input Mic Pre w/ 9V Battery + Spare Parts?
  204. Sansui output stage fault?
  205. Technics SE-A900SM2 Help
  206. AECA
  207. lm4702 with one pair 2sc5200 1943 bias at 1Amp per transistor at 22V?
  208. Amp Topology
  209. How to make a low distortion lateral MOSFET amplifier?
  210. Oil cap question
  211. Sansui AU-X1 restoration almost finished...but
  212. Keantoken-H Amplifiers
  213. resistors with long legs
  214. OP-amp + Class A MOSFET follower
  215. Magnetic_Induction_Loop
  216. GLA (good little amp) "survivor"
  217. RX-V1 Lightning Damage
  218. Onkyo M-504 Protection Circuit
  219. Using error correction methods with lateral MOSFETs
  220. Schematic for Mackie arm 1801 sub
  221. Make a serius PA amp from old damaged amplifier
  222. How to put a tone defeat mod to my amp?
  223. possibility of LME49810 without Negative feedback?
  224. Number of paralleled output MOSFETs! Please help me here!
  225. Dx Super A builder's thread
  226. Respected and reliable manufacturers
  227. Revolution in A-B Class Amplifiers
  228. Problems with slew rate?
  229. Gate protection with zener/diode combination
  230. HCA-1000 Repairing Left Channel
  231. sony st-242s tuner
  232. Pioneer A-0012/A-27
  233. Audioanalyse PA90 mod, help?!
  234. Lamp set for Mcintosh MA6400
  235. Rebuilding Harman Kardon Citation 16A! Please help!!
  236. MC-2105 Pot/Switch Cleaning ?
  237. bridging (BTL mode) P3A amplifiers
  238. This amps can survive in the real world?
  239. Nonlinearities in a tube amplifier
  240. Roksan Kandy MK3 upgrades
  241. Marantz 1250. Evolution in sound?
  242. Help
  243. Current Mirror
  244. LM4562 and LM4702 board - any thoughts?
  245. F5 output transistors blown?
  246. upgraded opamp - little sound from left channel?
  247. MOSFET output stage drivers
  248. wooden cabinet for SS power amplifier
  249. Prism Audio LA series amplifier modules, any opinions of their sound?
  250. 200W MOSFET CFA amp

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