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  1. The AU-317 amp schematics - thoughts and any room for improvements
  2. Assitance needed with Technics SU-V4X
  3. Sony TA-70 schematic / manual?
  4. Citation XX offset
  5. High hFE 2N3055 amp?
  6. Blameless VFA with high ULGF and high open loop bandwidth
  7. B&K ST-2140 bias setting procedure?
  8. Faster bias stability Vbe transistor choice?
  9. Oscillating Muscial Fidelity X-A200
  10. Please can you help me?
  11. TI End of lifing many NS chips, including LME49990
  12. Preferred method for mounting PC boards in chassis?
  13. Transistor Noob Question
  14. Running Jfets at high voltage? Le Pacific preamp mods...
  15. Half Watt Common Emitter amplifier
  16. Dayton Audio SPA500 owners and thoughts
  17. 250 watt best design
  18. Drivers for 2SA1294/2SC3263
  19. The Amp1 system - no compromises
  20. Advice with Self Trimodal amplifier
  21. Troubleshoot plate amp?
  22. PCB for Musical Fidelity A1 amplifier
  23. Most transparent amplifier for studio monitoring
  24. Counterpoint SA20 schematic
  25. What is causing this noise?
  26. What sounds better than Hiraga?
  27. 2SA1455K/2SC3722K SMD vs 2SA970/2SC2240
  28. hobbyist Learning about Class AB amplifier , Please Guide
  29. Designing Class A amplifier with low output impedance
  30. Krell KSA-50 or DIY Aleph 0
  31. Ampzilla 2
  32. Stepped attenuators from China
  33. Hitachi hma-6590 (scheme)
  34. LEAK Delta 70 amplifier restoration
  35. Parasound JC-1 Help Please — did I reverse two connectors?
  36. forte model 3 bias pot help
  37. Calling EE tinkerers (non audio)
  38. Popping when powered on -help?
  39. best sounding TO-220 darlingtons...
  40. Retro fitting modern amp boards in classic hifi?
  41. A high-voltage, but low-current amplifier for midranged and tweeters?
  42. Warm Sounding Class D Board
  43. Krell KST-100 BIAS
  44. Thanh Amplifier
  45. Some say that Deoxit can make things harsh
  46. Bob Cordell complementary input stage with N channel Jfets
  47. stability issues output triple and high freq extension ?
  48. Need help with a digital circuit
  49. Sansui AU D7
  50. Class A vs AB vs D
  51. distortion of jFET amplifiers
  52. Add more output stage transistors
  53. Fully symmetrical amplifier
  54. Fluke Precision Amplifier
  55. Cambridge Audio A500 volume issues
  56. Ground Bridge amplifier vs btl amplifier where the powerful one ?
  57. Dead PSU capacitor, but preamp works fine! How?
  58. Yamaha CR400 problem with Stereo on FM
  59. Receiver Onkyo TX-7430 no stereo! ?
  60. Supreme Sound OpAmp V5
  61. Mola Mola
  62. Help With Low Cost Amplifier
  63. Cyrus 8 vs2
  64. Yamaha CR-620 coupling value & balance control
  65. HP amp circuit just for interest
  66. Alesis RA-100 Oops - Need Help Please
  67. Looking for Schematic for Soundcraftsman Amp R-7502
  68. Creek 4140 S2 330ohm resistor getting HOT
  69. onkyo TX-SV535
  70. Interest in matched JFETs?
  71. 2SK194 dual Jfet for LTP input...
  72. Jfet input stage better in sound quality compared to a BJT input?
  73. AUDIOXPRESS april 2014 issue needed - has anyone?
  74. Lowest listening level
  75. Enough heatcompound on output transistors?
  76. Build error ?
  77. Elektor1987/88
  78. adcom 545ii filter caps
  79. MPSA13 Spice model
  80. Cyrus 3 problem
  81. SoundCraftsmen A200
  82. Parasound P/LD-1100 On The Way
  83. Yamaha CA-800/1000 Ripple Voltage in Class A
  84. Looking for a Lab amp project , about 2X10W, for a given enclosure
  85. Found large OPTONICA amp... is it fried?
  86. Looking to build 100w @16 ohm mono amplifier
  87. PS Audio 200C repairs
  88. Anybody tried a VCF tone control?
  89. Dahlia hybrid amplifier
  90. Arcam alpha 10 amp
  91. Looking to make 1000 watt Amplifier pcb board need schematic
  92. Spectrum analyzer
  93. onkyo and a bunvh of self made amplifiers in pictures
  94. Mosfet switching steps 3 p / class H amplifier
  95. Switch mosfet 3 stages to amp class H
  96. Mismatch MOSFET in driver section.
  97. Input stage help needed
  98. G&W TW-2008 vs MT150 China amplifiers
  99. hum on beomaster 1900 only on radio
  100. adcomp 545II sounds weak
  101. Bias? Marantz PM6010 KI
  102. Transistors Heat Up in Push Pull
  103. Sont TA 9000 ES preamp no sound
  104. TIP3055
  105. integra m-5060r weird transistor heating
  106. 16a vs 30a Diodes?
  107. Totem Pole design by Randy Slone
  108. scatched my heatsink - woried about heat issues
  109. pioneer SX-6000 troubles.
  110. Grounding my amp kit (diagrams included)
  111. Denon PMA-1560 defective circuit
  112. bose 1800vi problems
  113. Krell KAV300i volume control skips
  114. Low Voltage / High current Discrete or Chip Amp to drive 4Ohms/70W/91db bookshelf
  115. Simple soft start current limiter for DC-amp
  116. Book by Randy Slone
  117. Jean hiraga's super class a build (my first)
  118. Onkyo Integra m-5060r replacement transistors and information
  119. PA mono amplifier, want to remove output transformer
  120. LJM MX50-SE - Build Log Gallery & My Build Progress
  121. Onkyo A-830 schematics
  122. mains noise ?
  123. Adding line level Sub output
  124. Technics SU-X70 Schematic
  125. Leak 2000/2200 Output Transistors
  126. Microphone Preamp Design Help
  127. PCB for preamp with tda1524a, Help!
  128. LJM MX50SE - Wiring and Ground?
  129. Proton P1100
  130. ADCOM GFA-7500 Amplifier Service Manual
  131. Counterpoint SA-100 rebuild
  132. P3A PCB
  133. Toroidal Transformer Noise
  134. Mark Levinson 431 Voltage conversion to 120V
  135. Dynaco PAT 5 line cord caps/res
  136. Kenwood 9400 bias problem
  137. Trying to fix an old Marantz PM-35MKII
  138. Nad 701
  139. harmon/kardon HK 450 outputs
  140. Help Troubleshooting JLH1996
  141. 45 years old Marantz 7T upgrade, does it really matter?
  142. Gear box disassembly on Nak TA-3a
  143. Pro Amp for home use.
  144. Wanted Accuphase C-280 & P300x service manuals
  145. how to build a Grounded bridge Amplifier
  146. Luxman RV 371 Speaker Switch
  147. Quad 34 preamp lights problem, In bits now.
  148. Simple Symetry
  149. Parasound HCA 2200ii Inquiries
  150. Should I regulate?
  151. Finishing Amp
  152. Denon PMA-920 recap
  153. SU-Z400 improvements?
  154. Altec Lansing 1269
  155. LJM MX50SE - Possible to bridge / parallel?
  156. Does anyone here recognize this amp schematic
  157. Rotel RB981 makes my speaker pulse when I turn it on.
  158. Advantages or Disadvantages in increasing Vf of Bias Diodes
  159. Could someone please suggest a power buffer mod with 3-5W output?
  160. 555 Timer DC Protect / Turn-On Delay
  161. Mark levinson 334 shematics?
  162. Rotel RA-972 Pops
  163. Receiver outputs big noise with broken relay?
  164. What input stage(s) for a small power amp ?
  165. Single stage class A calculations...
  166. 2sd313 2sb507 alternatives ?
  167. confused on re-cap selections!
  168. yet another amplifier output muting relay idea
  169. DC on outputs of Pioneer Receiver
  170. Cambridge Audio 851A or 851W schematic anyone?
  171. Problem with Luxman LV-113 amplifier.
  172. 70's Pionner RCA plug replacement
  173. studio 350 amplifier
  174. small signal BJT spice models needed
  175. Any Parasound (HCA-1000A) Historians Out There?
  176. Yamaha TA-20 not working
  177. Seeburg TSA3
  178. VC5022 SuperA Bias controll ic problem..
  179. NTE or Ebay? What would you choose?
  180. How to choose emitter resistor of output power stage ?
  181. Query on JFET / BJT cascode circuit
  182. PCB layout and fabrication and Audio devices
  183. Refurbished Cyrus II with 'hum'
  184. Cayin 265 Ai
  185. Musical Fidelity Supercharger
  186. Help with CM labs model?
  187. Qestion about Némésis Amplifier
  188. Dr. Matti Otala, RIP
  189. Akai AA-5000 audio amplier service manual
  190. Ground lift, Short to Chassis, RCA shield, Safe?
  191. Binding Posts Sonance VCA-1
  192. AV receiver dilemma
  193. P and N Mosfets give some output V offset
  194. SAE 2200 Rebuild/Repair...
  195. Yamaha RX-V2400 shuts down after power up
  196. Leak Delta 30 blowing rect. fuse
  197. Ideas about car audio amplifier from scratch
  198. triple bias
  199. Bipolar caps
  200. Urgent - LED bar meter
  201. SABA MI212 problem : transistor heat
  202. Too many amps flip breaker?
  203. need suggestion - emitter resistor value for 5 pairs BJT parallel output
  204. Yamaha RX-V2400 question
  205. Well, this is embarrassing. A/V receiver
  206. Classe DR-25/25 repair
  207. Coil yamaha xp7000
  208. Rotel RA-940BX distorted sound
  209. How to wire a VU meter
  210. Diode reduces THD !
  211. Class A Amp complete kit - recommendations?
  212. Pioneer SX-2300 need schematic of protect circuit
  213. Will a step-up transformer impact sound quality?
  214. Graham Nalty - Virtuous Amplifier
  215. Low cost universal amplifier chassis
  216. Krell KRC-3 to be recapped What brand?
  217. Switch mode power supplies for audio amps
  218. "super complementary" topology
  219. Looking for a high-end DiY headphone SS amp
  220. STK3152 III
  221. AKAI AA 1050 cleaning and restoring
  222. Sansui G-9000
  223. B&K Sonata Pro10MC schematic
  224. Technics SU V85A
  225. Junior Holton need advice
  226. Audio Analogue Enigma service manual
  227. KA-305: No Right Channel and need some help
  228. I sat pondering whether the Chinese can beat Goldmund at its own game
  229. KC-150 w/ DC on Speaker Terminals
  230. The SMPTE intermod distortion challenge
  231. Help with Mosfet Subs....
  232. Sansui TU-X1 Modding
  233. Crackling Sony TA-2000F Pre and TA-3200F Power
  234. Firmware file for CA Azur 640r
  235. DH-100 series 1
  236. Output Resistors in P3A amp
  237. How to replace a Noble Dual Emitter Resistor
  238. interesting method to bias powerstage please read it
  239. Sansui Solid State 300.
  240. Ebay Current Feedback Amp
  241. variac question
  242. Do my Exicon MOSFETs look genuine?
  243. Need advice
  244. Issue with 3EF Diamond
  245. Crown CL 1 input sensitivity
  246. Marantz PM66KI Problem - no 'click' and smoking resistor
  247. Technics su-8044 service manual
  248. Coupling cap advice : Cambridge Audio Azur 540r
  249. Lets help each other against counterfeit
  250. Nak SR4a power supply cap replacement

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