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  1. Leak Delta 30 blowing rect. fuse
  2. Ideas about car audio amplifier from scratch
  3. triple bias
  4. Bipolar caps
  5. Urgent - LED bar meter
  6. SABA MI212 problem : transistor heat
  7. Too many amps flip breaker?
  8. need suggestion - emitter resistor value for 5 pairs BJT parallel output
  9. Yamaha RX-V2400 question
  10. Well, this is embarrassing. A/V receiver
  11. Classe DR-25/25 repair
  12. Coil yamaha xp7000
  13. Rotel RA-940BX distorted sound
  14. How to wire a VU meter
  15. Diode reduces THD !
  16. Class A Amp complete kit - recommendations?
  17. Pioneer SX-2300 need schematic of protect circuit
  18. Will a step-up transformer impact sound quality?
  19. Graham Nalty - Virtuous Amplifier
  20. Low cost universal amplifier chassis
  21. Krell KRC-3 to be recapped What brand?
  22. Switch mode power supplies for audio amps
  23. "super complementary" topology
  24. Looking for a high-end DiY headphone SS amp
  25. STK3152 III
  26. AKAI AA 1050 cleaning and restoring
  27. Sansui G-9000
  28. B&K Sonata Pro10MC schematic
  29. Technics SU V85A
  30. Junior Holton need advice
  31. Audio Analogue Enigma service manual
  32. KA-305: No Right Channel and need some help
  33. I sat pondering whether the Chinese can beat Goldmund at its own game
  34. KC-150 w/ DC on Speaker Terminals
  35. The SMPTE intermod distortion challenge
  36. Help with Mosfet Subs....
  37. Sansui TU-X1 Modding
  38. Crackling Sony TA-2000F Pre and TA-3200F Power
  39. Firmware file for CA Azur 640r
  40. DH-100 series 1
  41. Output Resistors in P3A amp
  42. How to replace a Noble Dual Emitter Resistor
  43. interesting method to bias powerstage please read it
  44. Sansui Solid State 300.
  45. Ebay Current Feedback Amp
  46. variac question
  47. Do my Exicon MOSFETs look genuine?
  48. Need advice
  49. Issue with 3EF Diamond
  50. Crown CL 1 input sensitivity
  51. Marantz PM66KI Problem - no 'click' and smoking resistor
  52. Technics su-8044 service manual
  53. Coupling cap advice : Cambridge Audio Azur 540r
  54. Lets help each other against counterfeit
  55. Nak SR4a power supply cap replacement
  56. output devices
  57. MX50 - Input gain
  58. Luxman L550 power transitors-help needed
  59. LESA HF 845 AMPLIFIER
  60. Opamp Class B amplifier output impedance
  61. matching n and p fets capacitances
  62. Sanken STD03 in Europe
  63. loudness button adjustment on the circuit board?
  64. Nad c 355 bee integrated amplifier light?
  65. Question about circuit design
  66. ARCAM Alpha 10 amp
  67. What better sound quality build after LM3875 and Class D 2020?
  68. Voxson HR313 schematic
  69. Wega amp RCA problem
  70. amps, speakers and ohms
  71. Anyone willing to help?
  72. Sony TA-FB940R dc issues?
  73. Burson Soloist Issue and Troubleshooting
  74. Power Supply for MX50 SE Power amplifier
  75. NAD C325BEE - burnt components on AMP-SMD-L BOARD
  76. Output transistor complentary pairs
  77. Paralleling the IRF mosfets
  78. Crest CKi 800v
  79. is this good setup?? :wave2s:
  80. Surround decoder dilemma
  81. GFA-555 Help Please. (pics attached)
  82. lme49830 whats the role of Cb2 here and how much it has to be when biased high
  83. Idling current for Krell KAV 300i
  84. Hum and Buzz Issue
  85. Crown XTI 2000 fries RT6 at turn on
  86. Bulbs replaced With Leds, about resistors?
  87. Help needed with NAD 7600 idle current
  88. BC546 spice model
  89. Scott A 426
  90. Nad 302 volume pot replacement
  91. sansui B77 power amp
  92. Another Son of Ampzilla rebuild.
  93. Best amp with 2sk1058
  94. roender's shunt regulator
  95. How do you match tempco between spreader and power transistor?
  96. Elektor "The Complete Preamplifier" articles.
  97. Speaker selector, OK for amp?
  98. cannot explain the circuit
  99. Very basic clipping indicator
  100. Replacement transistors for HK 6500
  101. What's this diff input topology called?
  102. About power amplifier input? Thanks.
  103. About power, bi-amping?
  104. Global Feedback - A huge benefit for audio
  105. question about mosfet direction
  106. Yamaha RX 495
  107. Veroboard Maplin Amp
  108. Adcom GFA-535 blowing main power fuse
  109. what is the difference between 2SC5200 and 2SC5200N
  110. Please check my heatsink estimate
  111. Multiple Feedback Filter Design doubt
  112. Musical Fidelity a3cr power amp modifications
  113. technics SU-7100 help
  114. Mounting amp upside down
  115. The Brief History of my life with SECA designs
  116. Technics SE-9060 vs multiple compŁarison?!
  117. OP amp driving MegaOhm load
  118. grounding issues with integrated amp
  119. AV Processor
  120. Hafler
  121. Yamaha RX-Z9 in protect mode
  122. LME49830 with ALF16N8P x 10 per rail
  123. Class AB Amp Questions.
  124. Anyone tried broskies "super triode" circuit to drive efficient sub?
  125. Arcam Alpha 2 Help/Advice
  126. Solid State Power Amplifier Kits (Modules) - Listening Tests wanted
  127. Surges and spikes
  128. About AV receiver as power amplifier?
  129. Pegeant AV-126-TR Projector
  130. Pcb request
  131. NAD 3020 recap
  132. Need information of preamps.
  133. Cambrige Azur 740A int amp Bias and offset adjustment ?
  134. Adcom ga-5802
  135. Speaker impedance with output transformer
  136. Pro Audio High Fidelity IPS
  137. Hi End 3 Band Tone Control DIY Kit - Bass Mid Treble
  138. Would this be a suitable replacement for 2sd675
  139. NG'ANYA: the art of entertainment
  140. Adcom GFP-555 upgrades from AudioXpress
  141. IRFP240 + IRFP9240 + EBAY...
  142. Pre amp for $1000.00 ???
  143. VA load - simple resistor or bootstrap
  144. EU transformer for an Hafler 9505 Transnova?
  145. Cambridge Audio A300 manual/schematics needed
  146. Double Barrel Leach underway
  147. hd amplifier bias
  148. Credo PMP154 question
  149. Rotel amp no IC version
  150. Balance control-where in the preamp chain should it go?
  151. A JIG for testing amplifier polarity
  152. Question on this schematic
  153. Haffler mosfet stuck on heat sink
  154. Left channel sometimes starts later on Marantz PM-54 II
  155. Technics SE-C01 power amp
  156. Query on BF471 as VAS
  157. Restoring old 2N3055 based amp, need advice
  158. based on Graham Dicker DIGI amp
  159. 4 watt no-gnf hybrid
  160. Is low differential input impedance of opamp not important?
  161. nad amp 701
  162. Little help with this amp please.
  163. Revisiting some "old" ideas from 1970's - IPS, OPS
  164. denon pma 260
  165. from DIY Indonesian Amplifier
  166. Soundstream D200 clone,few hours,nice sound
  167. Lampizator - Fetishizator
  168. Sinclair schematics
  169. nad 701
  170. Onkyo A-9155 - no sound but power
  171. Oliver Offset Optimiser
  172. Is discrete better than chip op amp
  173. Parasound HCA-1000A No Sound
  174. Where to measure the bias on P180?
  175. Popping sound from Left Channel of Marantz PM7002
  176. IC preamp vs discrete preamp - Different?
  177. Crest VS900 burning hot resistor R92
  178. Adcom 5400: using lower capacitance caps
  179. Help please Ne5532a op amp chip
  180. Symasym, opinions please.
  181. sub amp
  182. Low on bass SONY TAF530ES/TAF222ESR
  183. Shreek Protection at turn on
  184. Help w/Yamaha RX-550
  185. Suggestions Fuse Protection?
  186. Need advice on Power supply
  187. please check my work
  188. Nad C270
  189. Cambridge Audio A1mk3SE repair
  190. Picked up a beautiful, almost mint DC 300A. Now what?
  191. Power amplifier with 2n3055/mj2955-schematic
  192. Help with power supply repair
  193. Search Onix A-120 Schťmatic
  194. Apex BA1200 offset problem.
  195. Film caps are directional as well?!
  196. Sony TA 3120A
  197. Strange Amp Design?
  198. Question regard japanese voltage amp in us
  199. Large offset and large differential input to input pairs... but amp works..?
  200. amplifier TDA7294 + power supply smps
  201. Required grounding scheme for zero 60/120hz hum.
  202. APEX HB 1200 TEF
  203. My etching tank made out of k'nex..... (serious)
  204. Which Fuses For My Nikko
  205. Audio PCB's with Sprint Layout ?
  206. So... should I build this?
  207. New type of Toshiba 2sc5200/2sa1943 or FAKE?
  208. Technics SU-V3 negative voltage at output!!!
  209. Noise in my stereo tda2003 amp
  210. Input capacitor question
  211. sansui B77 power amp
  212. Seek advice on simple & very good sounding class A/B output stage.
  213. Jfet complimentary input stage or Jfet LTP?
  214. Chassis Design using Mosfets
  215. Solid State Rail Fuse Replacement
  216. qinpu a3 doesn't relay click
  217. Assembled mosfet amplifiers from ebay
  218. Nakamichi TA-3A Sound Not Working
  219. Adding a Jfet input stage for the power amplifier improves sound quality?
  220. output voltage at speaker terminals
  221. Looking for schematic for Pioneer SX-40
  222. Sansui AU-4900 problem
  223. Techno SAP130 STD03P STD03N 130 Watt HiFI
  224. Need help setting idling current on old Philips amp
  225. blown amplifier channel (TDA2003)
  226. Single Ended Class A, No global feedback, 8W, MOSFET, low output Z
  227. Upgrades for Rotel RB-991 Power Amp
  228. Doxa 70 Signature Series Mk2 and BD245C/BD246C
  229. Darlington VSSA
  230. AB International 600LX Test Results
  231. Correct Naming for Pioneer/Akai Speaker Terminal used in Solid State Receivers wanted
  232. crest audio 8001 - input board details
  233. Alesis RA-500 troubles
  234. Crest Pro 9200 help
  235. Advent 300 stupid mistake
  236. Help with Kenwood M2A
  237. Emotiva DC-1 grounding mod
  238. Epsilon LT-model
  239. 2n3055 amplifier
  240. Marantz pm57
  241. How to make the PCB layout and routing better
  242. Miraculous Germanium Transistors from China
  243. Bose model 550
  244. Audio Research - A15 , Roterdam
  245. Luxman LV-105U volume pot
  246. Denon PMA-900V lowering gain/opamp swap
  247. problem with a Crest 8001 power amp
  248. LME 49710 opamp; difference in available types?
  249. C Audio TR 850 Schematics?
  250. Pioneer P4600 went dead after setting high volume

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