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  1. Lowering the AC Votage to my speaker protetion circuit.
  2. Random Amp questions
  3. Cmoy preamp, have some questions.
  4. Pioneer SA710 Amplifier
  5. SIC vs IRF
  6. Most ultimate Bluetooth Speaker: Bose's small sized "Soundlink Mini"
  7. The Synclophone
  8. Sansui AU717 service/repair history
  9. Mcintosh pickup of MCD7009
  10. some help on a Den DSP-1800
  11. Transistors 101 question about 2 transistor Darlington configuration
  12. It's possible to create other frequency compensation methods?
  13. Need Service Manual(s) for Stax X1t and CA-X
  14. Modified JLH Amp
  15. Simple Loudspeaker Protection Circuit
  16. Calculatin VAS gain with CCS
  17. Need help in finding stability margins/loop stability in LTspice for my amp
  18. JFet Preamplifier - Help needed..
  19. Suitable Amplifier for my loudspeakers
  20. What are the best way of de-funking electronics?
  21. basic electronics repair question - Sansui G5500
  22. Distortion in 20 year old push pull transistor ahuja amplifier
  23. Starting out in DIY Solid state
  24. Yamaha p2100 diagnosis help
  25. Simulating real-world loads?
  26. Antilia 5 evolution
  27. dennesen jc 80 repair
  28. Mosfet-amp module in Class-B
  29. A new toy to play with: the Symclophone
  30. Symmetrical topology - My new designing
  31. M400 diy kit with 2SK1058/J162 chip
  32. Which amp would you choose?
  33. low pass filter choice at input
  34. NEC X-10II
  35. re3doute
  36. lil Amp - Class A
  37. Advice needed for a 2cL power amp $800 limit
  38. Amp Recommendation under $1k
  39. 8x MicPreamp
  40. Custom Volume Control
  41. Bigger caps on Ayre V5xe ?
  42. Advice on volume control repair
  43. NAD 3140 service manual>>>anyone?
  44. What type of capacitor is needed for Ground Loop Breaker?
  45. Replacing STK 3122 III for STK 3152 originals or 3122 III Generics?
  46. Rotel RB-990BX Blown Channel Help
  47. WNA Class AB 125W Mosfet Amp Schematic Discussion
  48. Better Sounding Transistor?
  49. class A amp with transistors sound better with 200ma bias per trans x 5
  50. toshiba 2SC5949 2SA2121 better than 5200 1943?
  51. A good mono block case deal
  52. NAD 3020e - Clicking Sound - Troubleshooting
  53. sk170 sj74
  54. Cyrus Two upgrade, tweaks.
  55. Please help
  56. a question about mosfets matching
  57. possibility of single power supply for the LME49830 amps?
  58. bora omega
  59. Technics SU-V4 idle current and clamp voltage adjustment confusion
  60. Ampli Technics SU-C03
  61. Inverting SS Amplifiers Destroy Sound Quality
  62. what is Vref+ and Vref- in class H amplifier sch attached in the thread..
  63. Grommes G125M
  64. lm1875 bridge lm3886
  65. Musical Fidelity A5 Integrated
  66. Pioneer SA-7500
  67. splitting exising AV amp into separate boxes... worth it?
  68. Audio of Oregon CC-3 output transistor replacement
  69. Bryston 3B Repair procedure.
  70. ADCOM Transformer VA Rating Question
  71. sansui AU2900
  72. studiomaster vision 8 fault
  73. Local instabilities! Need help!
  74. Aura Evolution VA100 ii
  75. Fake 2N3055?
  76. hitachi hma-7500 mk2
  77. Repairing Bryston 3B, how to match biasing transistors
  78. INA217 Mic Preamp
  79. Cambridge Audio A500 - nothing from the pre-amp stage.
  80. Electronics World article
  81. Hafler DH120 & P125
  82. sakura av-2210 diagram
  83. TDA7293 2.1 Power amplifier board
  84. troubleshooting amp
  85. ZCA - Load resistor....
  86. TGM8 - an amplifier based on Rod Elliot P3a
  87. New amp design on elektor
  88. power amp - acceptable offset
  89. newbee phase splitter question
  90. Replacement MKP with long leads -- good idea?
  91. AMPLIMOS one stage
  92. Switching off amplifier makes pop noise
  93. Proton (NAD) 520 - replacement part
  94. Adcom GFA-545 Distortion LED Lit -w/schematic
  95. LME49810/11/30 without transistors?
  96. Moderator - I have a favor to ask regarding transistors for audio use
  97. Problem of noise when DIY Mosfet amp connected to sound card
  98. Amp for Usher S520 -MX50 SE or DX Blame ST?
  99. Suggest an Amp
  100. PCB for Amplifier with 2n3055/2mj2955
  101. Negative feedback?
  102. Parasound HCA 1000- Need Power Switch
  103. The "most powerful" Audio Transistors on today's market - Any experience with these ?
  104. Hi-Fi RIAA Phono Preamp
  105. Lme49810 with 2SC3263 & 2SA1294 output HELP!!!
  106. Bass speaker amplifier?
  107. cross-over problem
  108. Adjust your amplifier with a level!
  109. 70s Marantz PM 550 DC with silent left channel
  110. Voltage Controlled Attenuator
  111. SMT connection to copper pour?
  112. My stereo amplifiers produce mono output with stereo source!
  113. Are these 2 schematics good?
  114. quad 405 clone oscillation
  115. Nad T 763 hum in one channel but goes as warms up?
  116. Toshiba transistor recommendation for 50W Amplifier
  117. can one LME49810 drive one pair of 2sc5200 2sa1943?
  118. Very big polystyrene caps in size
  119. Tone control with frequency selector
  120. Quad 50
  121. Dx Juan layouts ideas PCB
  122. Dx Blame ST revisiting
  123. Jeff Rowland Coherence 1 - Schematic for the Modules wanted
  124. NAD 325BEE will not turn on
  125. GAS 500 Ampzilla, Thaedra II
  126. Recommendations for off-the-shelf amplifier?
  127. The question of feedback
  128. Safe Ampere Rating for 230VAC On/Off Switch for my Quad 405 Amplifier
  129. LJM L10-1 class a biasing
  130. ARCAM ALPHA 10 flashing red LED
  131. Threshold SA/4e & Threshold FET 10 hl
  132. Where did this amplifier board came from (VINTAGE!)
  133. Low noise transistor
  134. Amplifier with 2n3005/Mj2955
  135. marantz 16 bias/dc offset help
  136. Work In Progress... Leach Based Amplifier
  137. How to bias HK990
  138. VSSA Through-Hole-PCB build thread
  139. Jungson JA-88D crackling and static fixed!
  140. Diamond Differential Amplifier
  141. Constellation audio
  142. Please help with amp-decision
  143. Schematic download site
  144. Hafler DH500 PC-19 Problem
  145. KSW-12 with a blown amp (was told to post here)
  146. Complimentary pairs - matching other parameters
  147. Problem with a Dayton SA1000 Sub Amp
  148. YAMAHA PC 2002M POWER AMP
  149. Too much DC offset in P3A
  150. Exicon Lateral Mosfet doubts
  151. cheep zeners at Mouser
  152. Can someone give me more info about this amplifier?
  153. Testboard LME49830
  154. Schematic of NASA space antenna receivers or LNBs ?
  155. A1145 and C2705 interchangability?
  156. Acoustic Research S12HO
  157. Modify Luxman R-117 for DC offset Adjustment
  158. Making a simple Preamp
  159. OPA1642&LME49600 IV&AMP
  160. 60W simple Audio amplifier with TL071
  161. SKA 150watt monobloc build log. 3D designed chassis.
  162. Pathé Marconi PA 3511V
  163. Inserting a Lpad ....simples?
  164. Conrad Johnson's Solid State Amplifier Series "Motif"-new for me:Are there any Infos?
  165. balanced output Single Ended Class A
  166. Cyrus L,R balance
  167. Braiding yes or no
  168. Creek amp,hum noise
  169. Advent 300
  170. four star
  171. Question regarding BHC T-Net and Slitfoil Capacitor
  172. NAD 2100 input impedance/caps question
  173. B&K EX-442 Mods?
  174. Which amplifier is more stronger ?
  175. Benchmark has a NEW power amp.The best ?
  176. Luxman L-200
  177. nirvana amplifier
  178. Can I change capacitor for input transformer here?
  179. Newbie needs help with QSC MX700
  180. Kenwood L-09M Repairs
  181. Cyrus L,R balance
  182. Indicator lights out on my STA-2000?
  183. Battery to run small practice amp working but need help!
  184. Magnavox AstroSonic Imperial Switch on back
  185. MPF 102 Frustration
  186. Preamplifier heat
  187. Denon poa-2400 intermittent problem
  188. Recommend amp project for new member
  189. do all Amps need dc-protection ?
  190. Who is Lazy Cat and why is his amps so popular?
  191. TRANSISTOR SUBSTITUTEs
  192. RF Punch 60ix!
  193. Aragon 4004mkII: power light on, fuses all good, no sound
  194. Best Amplifier for £100
  195. Unknown connector???
  196. In what situation would a fuse on the primary windings help?
  197. Kenwood KA-3500 Amp hum transformator noise
  198. searching transistors
  199. schematics Kenwood km993
  200. Defektive processor Marantz SR-14!
  201. Grounded bridge implementation with LME49830?
  202. Matching of ECW20N20-Z easier as stated in the Profusionplc site
  203. what happens if the voltage of the output stage exceeds the VAS Stage in LME amps
  204. Drivers for the Exicon Lateral Mosfets? ECW20N20-Z n ECW20P20-Z
  205. Triangle TE-60 does anyone know how to bias?
  206. Yamaha MX-1000 pre amp question
  207. Yamaha MX-1000 pre amp question
  208. SOA Calculations
  209. Base current in a differential amplifier
  210. Sharp SX-9860
  211. Why so few SEPP designs ?
  212. how to remove the subsonic filter of my rega inteamp
  213. Faster VAS/driver transistors
  214. Touble with Rod Elliott´s M27A Poweramp distortion
  215. Transformer Input Mic Pre w/ 9V Battery + Spare Parts?
  216. Sansui output stage fault?
  217. Technics SE-A900SM2 Help
  218. AECA
  219. lm4702 with one pair 2sc5200 1943 bias at 1Amp per transistor at 22V?
  220. Amp Topology
  221. How to make a low distortion lateral MOSFET amplifier?
  222. Oil cap question
  223. Sansui AU-X1 restoration almost finished...but
  224. Keantoken-H Amplifiers
  225. resistors with long legs
  226. OP-amp + Class A MOSFET follower
  227. Magnetic_Induction_Loop
  228. GLA (good little amp) "survivor"
  229. RX-V1 Lightning Damage
  230. Onkyo M-504 Protection Circuit
  231. Using error correction methods with lateral MOSFETs
  232. Schematic for Mackie arm 1801 sub
  233. Make a serius PA amp from old damaged amplifier
  234. How to put a tone defeat mod to my amp?
  235. possibility of LME49810 without Negative feedback?
  236. Number of paralleled output MOSFETs! Please help me here!
  237. Dx Super A builder's thread
  238. Respected and reliable manufacturers
  239. Revolution in A-B Class Amplifiers
  240. Problems with slew rate?
  241. Gate protection with zener/diode combination
  242. HCA-1000 Repairing Left Channel
  243. sony st-242s tuner
  244. Pioneer A-0012/A-27
  245. Audioanalyse PA90 mod, help?!
  246. Lamp set for Mcintosh MA6400
  247. Rebuilding Harman Kardon Citation 16A! Please help!!
  248. MC-2105 Pot/Switch Cleaning ?
  249. bridging (BTL mode) P3A amplifiers
  250. This amps can survive in the real world?

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