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  1. Mismatch MOSFET in driver section.
  2. Input stage help needed
  3. G&W TW-2008 vs MT150 China amplifiers
  4. hum on beomaster 1900 only on radio
  5. adcomp 545II sounds weak
  6. Bias? Marantz PM6010 KI
  7. Transistors Heat Up in Push Pull
  8. Sont TA 9000 ES preamp no sound
  9. TIP3055
  10. integra m-5060r weird transistor heating
  11. 16a vs 30a Diodes?
  12. Totem Pole design by Randy Slone
  13. scatched my heatsink - woried about heat issues
  14. pioneer SX-6000 troubles.
  15. Grounding my amp kit (diagrams included)
  16. Denon PMA-1560 defective circuit
  17. bose 1800vi problems
  18. Krell KAV300i volume control skips
  19. Low Voltage / High current Discrete or Chip Amp to drive 4Ohms/70W/91db bookshelf
  20. Simple soft start current limiter for DC-amp
  21. Book by Randy Slone
  22. Jean hiraga's super class a build (my first)
  23. Onkyo Integra m-5060r replacement transistors and information
  24. PA mono amplifier, want to remove output transformer
  25. LJM MX50-SE - Build Log Gallery & My Build Progress
  26. Onkyo A-830 schematics
  27. mains noise ?
  28. Adding line level Sub output
  29. Technics SU-X70 Schematic
  30. Leak 2000/2200 Output Transistors
  31. Microphone Preamp Design Help
  32. PCB for preamp with tda1524a, Help!
  33. LJM MX50SE - Wiring and Ground?
  34. Proton P1100
  35. ADCOM GFA-7500 Amplifier Service Manual
  36. Counterpoint SA-100 rebuild
  37. P3A PCB
  38. Toroidal Transformer Noise
  39. Mark Levinson 431 Voltage conversion to 120V
  40. Dynaco PAT 5 line cord caps/res
  41. Kenwood 9400 bias problem
  42. Trying to fix an old Marantz PM-35MKII
  43. Nad 701
  44. harmon/kardon HK 450 outputs
  45. Help Troubleshooting JLH1996
  46. 45 years old Marantz 7T upgrade, does it really matter?
  47. Gear box disassembly on Nak TA-3a
  48. Pro Amp for home use.
  49. Wanted Accuphase C-280 & P300x service manuals
  50. how to build a Grounded bridge Amplifier
  51. Luxman RV 371 Speaker Switch
  52. Quad 34 preamp lights problem, In bits now.
  53. Simple Symetry
  54. Parasound HCA 2200ii Inquiries
  55. Should I regulate?
  56. Finishing Amp
  57. Denon PMA-920 recap
  58. SU-Z400 improvements?
  59. Altec Lansing 1269
  60. LJM MX50SE - Possible to bridge / parallel?
  61. Does anyone here recognize this amp schematic
  62. Rotel RB981 makes my speaker pulse when I turn it on.
  63. Advantages or Disadvantages in increasing Vf of Bias Diodes
  64. Could someone please suggest a power buffer mod with 3-5W output?
  65. 555 Timer DC Protect / Turn-On Delay
  66. Mark levinson 334 shematics?
  67. Rotel RA-972 Pops
  68. Receiver outputs big noise with broken relay?
  69. What input stage(s) for a small power amp ?
  70. Single stage class A calculations...
  71. 2sd313 2sb507 alternatives ?
  72. confused on re-cap selections!
  73. yet another amplifier output muting relay idea
  74. DC on outputs of Pioneer Receiver
  75. Cambridge Audio 851A or 851W schematic anyone?
  76. Problem with Luxman LV-113 amplifier.
  77. 70's Pionner RCA plug replacement
  78. studio 350 amplifier
  79. small signal BJT spice models needed
  80. Any Parasound (HCA-1000A) Historians Out There?
  81. Yamaha TA-20 not working
  82. Seeburg TSA3
  83. VC5022 SuperA Bias controll ic problem..
  84. NTE or Ebay? What would you choose?
  85. How to choose emitter resistor of output power stage ?
  86. Query on JFET / BJT cascode circuit
  87. PCB layout and fabrication and Audio devices
  88. Refurbished Cyrus II with 'hum'
  89. Cayin 265 Ai
  90. Musical Fidelity Supercharger
  91. Help with CM labs model?
  92. Qestion about Némésis Amplifier
  93. Akai AA-5000 audio amplier service manual
  94. Ground lift, Short to Chassis, RCA shield, Safe?
  95. Binding Posts Sonance VCA-1
  96. AV receiver dilemma
  97. P and N Mosfets give some output V offset
  98. SAE 2200 Rebuild/Repair...
  99. Yamaha RX-V2400 shuts down after power up
  100. Leak Delta 30 blowing rect. fuse
  101. Ideas about car audio amplifier from scratch
  102. triple bias
  103. Bipolar caps
  104. Urgent - LED bar meter
  105. SABA MI212 problem : transistor heat
  106. Too many amps flip breaker?
  107. need suggestion - emitter resistor value for 5 pairs BJT parallel output
  108. Yamaha RX-V2400 question
  109. Well, this is embarrassing. A/V receiver
  110. Classe DR-25/25 repair
  111. Coil yamaha xp7000
  112. Rotel RA-940BX distorted sound
  113. How to wire a VU meter
  114. Diode reduces THD !
  115. Class A Amp complete kit - recommendations?
  116. Pioneer SX-2300 need schematic of protect circuit
  117. Will a step-up transformer impact sound quality?
  118. Graham Nalty - Virtuous Amplifier
  119. Low cost universal amplifier chassis
  120. Krell KRC-3 to be recapped What brand?
  121. Switch mode power supplies for audio amps
  122. "super complementary" topology
  123. Looking for a high-end DiY headphone SS amp
  124. STK3152 III
  125. AKAI AA 1050 cleaning and restoring
  126. Sansui G-9000
  127. B&K Sonata Pro10MC schematic
  128. Technics SU V85A
  129. Junior Holton need advice
  130. Audio Analogue Enigma service manual
  131. KA-305: No Right Channel and need some help
  132. I sat pondering whether the Chinese can beat Goldmund at its own game
  133. KC-150 w/ DC on Speaker Terminals
  134. The SMPTE intermod distortion challenge
  135. Help with Mosfet Subs....
  136. Sansui TU-X1 Modding
  137. Crackling Sony TA-2000F Pre and TA-3200F Power
  138. Firmware file for CA Azur 640r
  139. DH-100 series 1
  140. Output Resistors in P3A amp
  141. How to replace a Noble Dual Emitter Resistor
  142. interesting method to bias powerstage please read it
  143. Sansui Solid State 300.
  144. Ebay Current Feedback Amp
  145. variac question
  146. Do my Exicon MOSFETs look genuine?
  147. Need advice
  148. Issue with 3EF Diamond
  149. Crown CL 1 input sensitivity
  150. Marantz PM66KI Problem - no 'click' and smoking resistor
  151. Technics su-8044 service manual
  152. Coupling cap advice : Cambridge Audio Azur 540r
  153. Lets help each other against counterfeit
  154. Nak SR4a power supply cap replacement
  155. output devices
  156. MX50 - Input gain
  157. Luxman L550 power transitors-help needed
  158. LESA HF 845 AMPLIFIER
  159. Opamp Class B amplifier output impedance
  160. matching n and p fets capacitances
  161. Sanken STD03 in Europe
  162. loudness button adjustment on the circuit board?
  163. Nad c 355 bee integrated amplifier light?
  164. Question about circuit design
  165. ARCAM Alpha 10 amp
  166. What better sound quality build after LM3875 and Class D 2020?
  167. Voxson HR313 schematic
  168. Wega amp RCA problem
  169. amps, speakers and ohms
  170. Anyone willing to help?
  171. Sony TA-FB940R dc issues?
  172. Burson Soloist Issue and Troubleshooting
  173. Power Supply for MX50 SE Power amplifier
  174. NAD C325BEE - burnt components on AMP-SMD-L BOARD
  175. Output transistor complentary pairs
  176. Paralleling the IRF mosfets
  177. Crest CKi 800v
  178. is this good setup?? :wave2s:
  179. Surround decoder dilemma
  180. GFA-555 Help Please. (pics attached)
  181. lme49830 whats the role of Cb2 here and how much it has to be when biased high
  182. Idling current for Krell KAV 300i
  183. Hum and Buzz Issue
  184. Crown XTI 2000 fries RT6 at turn on
  185. Bulbs replaced With Leds, about resistors?
  186. Help needed with NAD 7600 idle current
  187. BC546 spice model
  188. Scott A 426
  189. Nad 302 volume pot replacement
  190. sansui B77 power amp
  191. Another Son of Ampzilla rebuild.
  192. Best amp with 2sk1058
  193. roender's shunt regulator
  194. How do you match tempco between spreader and power transistor?
  195. Elektor "The Complete Preamplifier" articles.
  196. Speaker selector, OK for amp?
  197. cannot explain the circuit
  198. Very basic clipping indicator
  199. Replacement transistors for HK 6500
  200. What's this diff input topology called?
  201. About power amplifier input? Thanks.
  202. About power, bi-amping?
  203. Global Feedback - A huge benefit for audio
  204. question about mosfet direction
  205. Yamaha RX 495
  206. Veroboard Maplin Amp
  207. Adcom GFA-535 blowing main power fuse
  208. what is the difference between 2SC5200 and 2SC5200N
  209. Please check my heatsink estimate
  210. Multiple Feedback Filter Design doubt
  211. Musical Fidelity a3cr power amp modifications
  212. technics SU-7100 help
  213. Mounting amp upside down
  214. The Brief History of my life with SECA designs
  215. Technics SE-9060 vs multiple compüarison?!
  216. OP amp driving MegaOhm load
  217. grounding issues with integrated amp
  218. AV Processor
  219. Hafler
  220. Yamaha RX-Z9 in protect mode
  221. LME49830 with ALF16N8P x 10 per rail
  222. Class AB Amp Questions.
  223. Anyone tried broskies "super triode" circuit to drive efficient sub?
  224. Arcam Alpha 2 Help/Advice
  225. Solid State Power Amplifier Kits (Modules) - Listening Tests wanted
  226. Surges and spikes
  227. About AV receiver as power amplifier?
  228. Pegeant AV-126-TR Projector
  229. Pcb request
  230. NAD 3020 recap
  231. Need information of preamps.
  232. Cambrige Azur 740A int amp Bias and offset adjustment ?
  233. Adcom ga-5802
  234. Speaker impedance with output transformer
  235. Pro Audio High Fidelity IPS
  236. Hi End 3 Band Tone Control DIY Kit - Bass Mid Treble
  237. Would this be a suitable replacement for 2sd675
  238. NG'ANYA: the art of entertainment
  239. Adcom GFP-555 upgrades from AudioXpress
  240. IRFP240 + IRFP9240 + EBAY...
  241. Pre amp for $1000.00 ???
  242. VA load - simple resistor or bootstrap
  243. EU transformer for an Hafler 9505 Transnova?
  244. Cambridge Audio A300 manual/schematics needed
  245. Double Barrel Leach underway
  246. hd amplifier bias
  247. Credo PMP154 question
  248. Rotel amp no IC version
  249. Balance control-where in the preamp chain should it go?
  250. A JIG for testing amplifier polarity

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