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  1. AV receiver dilemma
  2. P and N Mosfets give some output V offset
  3. SAE 2200 Rebuild/Repair...
  4. Yamaha RX-V2400 shuts down after power up
  5. Leak Delta 30 blowing rect. fuse
  6. Ideas about car audio amplifier from scratch
  7. triple bias
  8. Bipolar caps
  9. Urgent - LED bar meter
  10. SABA MI212 problem : transistor heat
  11. Too many amps flip breaker?
  12. need suggestion - emitter resistor value for 5 pairs BJT parallel output
  13. Yamaha RX-V2400 question
  14. Well, this is embarrassing. A/V receiver
  15. Classe DR-25/25 repair
  16. Coil yamaha xp7000
  17. Rotel RA-940BX distorted sound
  18. How to wire a VU meter
  19. Diode reduces THD !
  20. Class A Amp complete kit - recommendations?
  21. Pioneer SX-2300 need schematic of protect circuit
  22. Will a step-up transformer impact sound quality?
  23. Graham Nalty - Virtuous Amplifier
  24. Low cost universal amplifier chassis
  25. Krell KRC-3 to be recapped What brand?
  26. Switch mode power supplies for audio amps
  27. "super complementary" topology
  28. Looking for a high-end DiY headphone SS amp
  29. STK3152 III
  30. AKAI AA 1050 cleaning and restoring
  31. Sansui G-9000
  32. B&K Sonata Pro10MC schematic
  33. Technics SU V85A
  34. Junior Holton need advice
  35. Audio Analogue Enigma service manual
  36. KA-305: No Right Channel and need some help
  37. I sat pondering whether the Chinese can beat Goldmund at its own game
  38. KC-150 w/ DC on Speaker Terminals
  39. The SMPTE intermod distortion challenge
  40. Peavey ICA2400 Amplifier
  41. Help with Mosfet Subs....
  42. Sansui TU-X1 Modding
  43. Crackling Sony TA-2000F Pre and TA-3200F Power
  44. Firmware file for CA Azur 640r
  45. DH-100 series 1
  46. Output Resistors in P3A amp
  47. How to replace a Noble Dual Emitter Resistor
  48. interesting method to bias powerstage please read it
  49. Sansui Solid State 300.
  50. Ebay Current Feedback Amp
  51. variac question
  52. Do my Exicon MOSFETs look genuine?
  53. Need advice
  54. Issue with 3EF Diamond
  55. Crown CL 1 input sensitivity
  56. Marantz PM66KI Problem - no 'click' and smoking resistor
  57. Technics su-8044 service manual
  58. Coupling cap advice : Cambridge Audio Azur 540r
  59. Lets help each other against counterfeit
  60. Nak SR4a power supply cap replacement
  61. output devices
  62. MX50 - Input gain
  63. Luxman L550 power transitors-help needed
  64. LESA HF 845 AMPLIFIER
  65. Opamp Class B amplifier output impedance
  66. matching n and p fets capacitances
  67. Sanken STD03 in Europe
  68. loudness button adjustment on the circuit board?
  69. Nad c 355 bee integrated amplifier light?
  70. Question about circuit design
  71. ARCAM Alpha 10 amp
  72. What better sound quality build after LM3875 and Class D 2020?
  73. Voxson HR313 schematic
  74. Wega amp RCA problem
  75. amps, speakers and ohms
  76. Anyone willing to help?
  77. Sony TA-FB940R dc issues?
  78. Burson Soloist Issue and Troubleshooting
  79. Power Supply for MX50 SE Power amplifier
  80. NAD C325BEE - burnt components on AMP-SMD-L BOARD
  81. Output transistor complentary pairs
  82. Paralleling the IRF mosfets
  83. Crest CKi 800v
  84. is this good setup?? :wave2s:
  85. Surround decoder dilemma
  86. GFA-555 Help Please. (pics attached)
  87. lme49830 whats the role of Cb2 here and how much it has to be when biased high
  88. Idling current for Krell KAV 300i
  89. Hum and Buzz Issue
  90. Crown XTI 2000 fries RT6 at turn on
  91. Bulbs replaced With Leds, about resistors?
  92. Help needed with NAD 7600 idle current
  93. BC546 spic model
  94. Scott A 426
  95. Nad 302 volume pot replacement
  96. sansui B77 power amp
  97. Another Son of Ampzilla rebuild.
  98. Best amp with 2sk1058
  99. roender's shunt regulator
  100. How do you match tempco between spreader and power transistor?
  101. Elektor "The Complete Preamplifier" articles.
  102. Speaker selector, OK for amp?
  103. cannot explain the circuit
  104. Very basic clipping indicator
  105. Replacement transistors for HK 6500
  106. What's this diff input topology called?
  107. About power amplifier input? Thanks.
  108. About power, bi-amping?
  109. Global Feedback - A huge benefit for audio
  110. question about mosfet direction
  111. Yamaha RX 495
  112. Veroboard Maplin Amp
  113. Adcom GFA-535 blowing main power fuse
  114. what is the difference between 2SC5200 and 2SC5200N
  115. Please check my heatsink estimate
  116. Multiple Feedback Filter Design doubt
  117. Musical Fidelity a3cr power amp modifications
  118. technics SU-7100 help
  119. Mounting amp upside down
  120. The Brief History of my life with SECA designs
  121. Technics SE-9060 vs multiple compŁarison?!
  122. OP amp driving MegaOhm load
  123. grounding issues with integrated amp
  124. AV Processor
  125. Hafler
  126. Yamaha RX-Z9 in protect mode
  127. LME49830 with ALF16N8P x 10 per rail
  128. Class AB Amp Questions.
  129. Anyone tried broskies "super triode" circuit to drive efficient sub?
  130. Arcam Alpha 2 Help/Advice
  131. Solid State Power Amplifier Kits (Modules) - Listening Tests wanted
  132. Surges and spikes
  133. About AV receiver as power amplifier?
  134. Pegeant AV-126-TR Projector
  135. Pcb request
  136. NAD 3020 recap
  137. Need information of preamps.
  138. Cambrige Azur 740A int amp Bias and offset adjustment ?
  139. Adcom ga-5802
  140. Speaker impedance with output transformer
  141. Pro Audio High Fidelity IPS
  142. Hi End 3 Band Tone Control DIY Kit - Bass Mid Treble
  143. Would this be a suitable replacement for 2sd675
  144. NG'ANYA: the art of entertainment
  145. Adcom GFP-555 upgrades from AudioXpress
  146. IRFP240 + IRFP9240 + EBAY...
  147. Pre amp for $1000.00 ???
  148. VA load - simple resistor or bootstrap
  149. EU transformer for an Hafler 9505 Transnova?
  150. Cambridge Audio A300 manual/schematics needed
  151. Double Barrel Leach underway
  152. hd amplifier bias
  153. Credo PMP154 question
  154. Rotel amp no IC version
  155. Balance control-where in the preamp chain should it go?
  156. A JIG for testing amplifier polarity
  157. Question on this schematic
  158. Haffler mosfet stuck on heat sink
  159. Left channel sometimes starts later on Marantz PM-54 II
  160. Technics SE-C01 power amp
  161. Query on BF471 as VAS
  162. Restoring old 2N3055 based amp, need advice
  163. based on Graham Dicker DIGI amp
  164. 4 watt no-gnf hybrid
  165. Is low differential input impedance of opamp not important?
  166. nad amp 701
  167. Little help with this amp please.
  168. Revisiting some "old" ideas from 1970's - IPS, OPS
  169. denon pma 260
  170. from DIY Indonesian Amplifier
  171. Soundstream D200 clone,few hours,nice sound
  172. Lampizator - Fetishizator
  173. Sinclair schematics
  174. nad 701
  175. Onkyo A-9155 - no sound but power
  176. Oliver Offset Optimiser
  177. Is discrete better than chip op amp
  178. Parasound HCA-1000A No Sound
  179. Where to measure the bias on P180?
  180. Popping sound from Left Channel of Marantz PM7002
  181. IC preamp vs discrete preamp - Different?
  182. Crest VS900 burning hot resistor R92
  183. Adcom 5400: using lower capacitance caps
  184. Help please Ne5532a op amp chip
  185. Symasym, opinions please.
  186. sub amp
  187. Low on bass SONY TAF530ES/TAF222ESR
  188. Shreek Protection at turn on
  189. Help w/Yamaha RX-550
  190. Suggestions Fuse Protection?
  191. Need advice on Power supply
  192. please check my work
  193. Nad C270
  194. Cambridge Audio A1mk3SE repair
  195. Picked up a beautiful, almost mint DC 300A. Now what?
  196. Power amplifier with 2n3055/mj2955-schematic
  197. Help with power supply repair
  198. Search Onix A-120 Schťmatic
  199. Apex BA1200 offset problem.
  200. Film caps are directional as well?!
  201. Sony TA 3120A
  202. Strange Amp Design?
  203. Question regard japanese voltage amp in us
  204. Large offset and large differential input to input pairs... but amp works..?
  205. amplifier TDA7294 + power supply smps
  206. Required grounding scheme for zero 60/120hz hum.
  207. APEX HB 1200 TEF
  208. My etching tank made out of k'nex..... (serious)
  209. Which Fuses For My Nikko
  210. Audio PCB's with Sprint Layout ?
  211. So... should I build this?
  212. New type of Toshiba 2sc5200/2sa1943 or FAKE?
  213. Technics SU-V3 negative voltage at output!!!
  214. Noise in my stereo tda2003 amp
  215. Input capacitor question
  216. sansui B77 power amp
  217. Seek advice on simple & very good sounding class A/B output stage.
  218. Jfet complimentary input stage or Jfet LTP?
  219. Chassis Design using Mosfets
  220. Solid State Rail Fuse Replacement
  221. qinpu a3 doesn't relay click
  222. Assembled mosfet amplifiers from ebay
  223. Nakamichi TA-3A Sound Not Working
  224. Adding a Jfet input stage for the power amplifier improves sound quality?
  225. output voltage at speaker terminals
  226. Looking for schematic for Pioneer SX-40
  227. Sansui AU-4900 problem
  228. Techno SAP130 STD03P STD03N 130 Watt HiFI
  229. Need help setting idling current on old Philips amp
  230. blown amplifier channel (TDA2003)
  231. Single Ended Class A, No global feedback, 8W, MOSFET, low output Z
  232. Upgrades for Rotel RB-991 Power Amp
  233. Doxa 70 Signature Series Mk2 and BD245C/BD246C
  234. Darlington VSSA
  235. AB International 600LX Test Results
  236. Correct Naming for Pioneer/Akai Speaker Terminal used in Solid State Receivers wanted
  237. crest audio 8001 - input board details
  238. Alesis RA-500 troubles
  239. Crest Pro 9200 help
  240. Advent 300 stupid mistake
  241. Help with Kenwood M2A
  242. Emotiva DC-1 grounding mod
  243. Epsilon LT-model
  244. 2n3055 amplifier
  245. Marantz pm57
  246. How to make the PCB layout and routing better
  247. Miraculous Germanium Transistors from China
  248. Bose model 550
  249. Audio Research - A15 , Roterdam
  250. Luxman LV-105U volume pot

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