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  1. Need help with a digital circuit
  2. Sansui AU D7
  3. Class A vs AB vs D
  4. distortion of jFET amplifiers
  5. Add more output stage transistors
  6. Fully symmetrical amplifier
  7. Fluke Precision Amplifier
  8. Cambridge Audio A500 volume issues
  9. Ground Bridge amplifier vs btl amplifier where the powerful one ?
  10. Dead PSU capacitor, but preamp works fine! How?
  11. Yamaha CR400 problem with Stereo on FM
  12. Receiver Onkyo TX-7430 no stereo! ?
  13. Supreme Sound OpAmp V5
  14. Mola Mola
  15. Help With Low Cost Amplifier
  16. Cyrus 8 vs2
  17. Yamaha CR-620 coupling value & balance control
  18. HP amp circuit just for interest
  19. Alesis RA-100 Oops - Need Help Please
  20. Looking for Schematic for Soundcraftsman Amp R-7502
  21. Creek 4140 S2 330ohm resistor getting HOT
  22. onkyo TX-SV535
  23. Interest in matched JFETs?
  24. 2SK194 dual Jfet for LTP input...
  25. Jfet input stage better in sound quality compared to a BJT input?
  26. AUDIOXPRESS april 2014 issue needed - has anyone?
  27. Lowest listening level
  28. Enough heatcompound on output transistors?
  29. Build error ?
  30. Elektor1987/88
  31. adcom 545ii filter caps
  32. MPSA13 Spice model
  33. Cyrus 3 problem
  34. SoundCraftsmen A200
  35. Parasound P/LD-1100 On The Way
  36. Yamaha CA-800/1000 Ripple Voltage in Class A
  37. Looking for a Lab amp project , about 2X10W, for a given enclosure
  38. Found large OPTONICA amp... is it fried?
  39. Looking to build 100w @16 ohm mono amplifier
  40. PS Audio 200C repairs
  41. Anybody tried a VCF tone control?
  42. Dahlia hybrid amplifier
  43. Arcam alpha 10 amp
  44. Looking to make 1000 watt Amplifier pcb board need schematic
  45. Spectrum analyzer
  46. onkyo and a bunvh of self made amplifiers in pictures
  47. Mosfet switching steps 3 p / class H amplifier
  48. Switch mosfet 3 stages to amp class H
  49. Mismatch MOSFET in driver section.
  50. Input stage help needed
  51. G&W TW-2008 vs MT150 China amplifiers
  52. hum on beomaster 1900 only on radio
  53. adcomp 545II sounds weak
  54. Bias? Marantz PM6010 KI
  55. Transistors Heat Up in Push Pull
  56. Sont TA 9000 ES preamp no sound
  57. TIP3055
  58. integra m-5060r weird transistor heating
  59. 16a vs 30a Diodes?
  60. Totem Pole design by Randy Slone
  61. scatched my heatsink - woried about heat issues
  62. pioneer SX-6000 troubles.
  63. Grounding my amp kit (diagrams included)
  64. Denon PMA-1560 defective circuit
  65. bose 1800vi problems
  66. Krell KAV300i volume control skips
  67. Low Voltage / High current Discrete or Chip Amp to drive 4Ohms/70W/91db bookshelf
  68. Simple soft start current limiter for DC-amp
  69. Book by Randy Slone
  70. Jean hiraga's super class a build (my first)
  71. Onkyo Integra m-5060r replacement transistors and information
  72. PA mono amplifier, want to remove output transformer
  73. LJM MX50-SE - Build Log Gallery & My Build Progress
  74. Onkyo A-830 schematics
  75. mains noise ?
  76. Adding line level Sub output
  77. Technics SU-X70 Schematic
  78. Leak 2000/2200 Output Transistors
  79. Microphone Preamp Design Help
  80. PCB for preamp with tda1524a, Help!
  81. LJM MX50SE - Wiring and Ground?
  82. Proton P1100
  83. ADCOM GFA-7500 Amplifier Service Manual
  84. Counterpoint SA-100 rebuild
  85. P3A PCB
  86. Toroidal Transformer Noise
  87. Mark Levinson 431 Voltage conversion to 120V
  88. Dynaco PAT 5 line cord caps/res
  89. Kenwood 9400 bias problem
  90. Trying to fix an old Marantz PM-35MKII
  91. Nad 701
  92. harmon/kardon HK 450 outputs
  93. Help Troubleshooting JLH1996
  94. 45 years old Marantz 7T upgrade, does it really matter?
  95. Gear box disassembly on Nak TA-3a
  96. Pro Amp for home use.
  97. Wanted Accuphase C-280 & P300x service manuals
  98. how to build a Grounded bridge Amplifier
  99. Luxman RV 371 Speaker Switch
  100. Quad 34 preamp lights problem, In bits now.
  101. Simple Symetry
  102. Parasound HCA 2200ii Inquiries
  103. Should I regulate?
  104. Finishing Amp
  105. Denon PMA-920 recap
  106. SU-Z400 improvements?
  107. Altec Lansing 1269
  108. LJM MX50SE - Possible to bridge / parallel?
  109. Does anyone here recognize this amp schematic
  110. Rotel RB981 makes my speaker pulse when I turn it on.
  111. Advantages or Disadvantages in increasing Vf of Bias Diodes
  112. Could someone please suggest a power buffer mod with 3-5W output?
  113. 555 Timer DC Protect / Turn-On Delay
  114. Mark levinson 334 shematics?
  115. Rotel RA-972 Pops
  116. Receiver outputs big noise with broken relay?
  117. What input stage(s) for a small power amp ?
  118. Single stage class A calculations...
  119. 2sd313 2sb507 alternatives ?
  120. confused on re-cap selections!
  121. yet another amplifier output muting relay idea
  122. DC on outputs of Pioneer Receiver
  123. Cambridge Audio 851A or 851W schematic anyone?
  124. Problem with Luxman LV-113 amplifier.
  125. 70's Pionner RCA plug replacement
  126. studio 350 amplifier
  127. small signal BJT spice models needed
  128. Any Parasound (HCA-1000A) Historians Out There?
  129. Yamaha TA-20 not working
  130. Seeburg TSA3
  131. VC5022 SuperA Bias controll ic problem..
  132. NTE or Ebay? What would you choose?
  133. How to choose emitter resistor of output power stage ?
  134. Query on JFET / BJT cascode circuit
  135. PCB layout and fabrication and Audio devices
  136. Refurbished Cyrus II with 'hum'
  137. Cayin 265 Ai
  138. Musical Fidelity Supercharger
  139. Help with CM labs model?
  140. Qestion about Némésis Amplifier
  141. Dr. Matti Otala, RIP
  142. Akai AA-5000 audio amplier service manual
  143. Ground lift, Short to Chassis, RCA shield, Safe?
  144. Binding Posts Sonance VCA-1
  145. AV receiver dilemma
  146. P and N Mosfets give some output V offset
  147. SAE 2200 Rebuild/Repair...
  148. Yamaha RX-V2400 shuts down after power up
  149. Leak Delta 30 blowing rect. fuse
  150. Ideas about car audio amplifier from scratch
  151. triple bias
  152. Bipolar caps
  153. Urgent - LED bar meter
  154. SABA MI212 problem : transistor heat
  155. Too many amps flip breaker?
  156. need suggestion - emitter resistor value for 5 pairs BJT parallel output
  157. Yamaha RX-V2400 question
  158. Well, this is embarrassing. A/V receiver
  159. Classe DR-25/25 repair
  160. Coil yamaha xp7000
  161. Rotel RA-940BX distorted sound
  162. How to wire a VU meter
  163. Diode reduces THD !
  164. Class A Amp complete kit - recommendations?
  165. Pioneer SX-2300 need schematic of protect circuit
  166. Will a step-up transformer impact sound quality?
  167. Graham Nalty - Virtuous Amplifier
  168. Low cost universal amplifier chassis
  169. Krell KRC-3 to be recapped What brand?
  170. Switch mode power supplies for audio amps
  171. "super complementary" topology
  172. Looking for a high-end DiY headphone SS amp
  173. STK3152 III
  174. AKAI AA 1050 cleaning and restoring
  175. Sansui G-9000
  176. B&K Sonata Pro10MC schematic
  177. Technics SU V85A
  178. Junior Holton need advice
  179. Audio Analogue Enigma service manual
  180. KA-305: No Right Channel and need some help
  181. I sat pondering whether the Chinese can beat Goldmund at its own game
  182. KC-150 w/ DC on Speaker Terminals
  183. The SMPTE intermod distortion challenge
  184. Peavey ICA2400 Amplifier
  185. Help with Mosfet Subs....
  186. Sansui TU-X1 Modding
  187. Crackling Sony TA-2000F Pre and TA-3200F Power
  188. Firmware file for CA Azur 640r
  189. DH-100 series 1
  190. Output Resistors in P3A amp
  191. How to replace a Noble Dual Emitter Resistor
  192. interesting method to bias powerstage please read it
  193. Sansui Solid State 300.
  194. Ebay Current Feedback Amp
  195. variac question
  196. Do my Exicon MOSFETs look genuine?
  197. Need advice
  198. Issue with 3EF Diamond
  199. Crown CL 1 input sensitivity
  200. Marantz PM66KI Problem - no 'click' and smoking resistor
  201. Technics su-8044 service manual
  202. Coupling cap advice : Cambridge Audio Azur 540r
  203. Lets help each other against counterfeit
  204. Nak SR4a power supply cap replacement
  205. output devices
  206. MX50 - Input gain
  207. Luxman L550 power transitors-help needed
  208. LESA HF 845 AMPLIFIER
  209. Opamp Class B amplifier output impedance
  210. matching n and p fets capacitances
  211. Sanken STD03 in Europe
  212. loudness button adjustment on the circuit board?
  213. Nad c 355 bee integrated amplifier light?
  214. Question about circuit design
  215. ARCAM Alpha 10 amp
  216. What better sound quality build after LM3875 and Class D 2020?
  217. Voxson HR313 schematic
  218. Wega amp RCA problem
  219. amps, speakers and ohms
  220. Anyone willing to help?
  221. Sony TA-FB940R dc issues?
  222. Burson Soloist Issue and Troubleshooting
  223. Power Supply for MX50 SE Power amplifier
  224. NAD C325BEE - burnt components on AMP-SMD-L BOARD
  225. Output transistor complentary pairs
  226. Paralleling the IRF mosfets
  227. Crest CKi 800v
  228. is this good setup?? :wave2s:
  229. Surround decoder dilemma
  230. GFA-555 Help Please. (pics attached)
  231. lme49830 whats the role of Cb2 here and how much it has to be when biased high
  232. Idling current for Krell KAV 300i
  233. Hum and Buzz Issue
  234. Crown XTI 2000 fries RT6 at turn on
  235. Bulbs replaced With Leds, about resistors?
  236. Help needed with NAD 7600 idle current
  237. BC546 spice model
  238. Scott A 426
  239. Nad 302 volume pot replacement
  240. sansui B77 power amp
  241. Another Son of Ampzilla rebuild.
  242. Best amp with 2sk1058
  243. roender's shunt regulator
  244. How do you match tempco between spreader and power transistor?
  245. Elektor "The Complete Preamplifier" articles.
  246. Speaker selector, OK for amp?
  247. cannot explain the circuit
  248. Very basic clipping indicator
  249. Replacement transistors for HK 6500
  250. What's this diff input topology called?

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