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  1. confused on re-cap selections!
  2. yet another amplifier output muting relay idea
  3. DC on outputs of Pioneer Receiver
  4. Cambridge Audio 851A or 851W schematic anyone?
  5. Problem with Luxman LV-113 amplifier.
  6. 70's Pionner RCA plug replacement
  7. studio 350 amplifier
  8. small signal BJT spice models needed
  9. Any Parasound (HCA-1000A) Historians Out There?
  10. Yamaha TA-20 not working
  11. Seeburg TSA3
  12. VC5022 SuperA Bias controll ic problem..
  13. NTE or Ebay? What would you choose?
  14. How to choose emitter resistor of output power stage ?
  15. Query on JFET / BJT cascode circuit
  16. PCB layout and fabrication and Audio devices
  17. Refurbished Cyrus II with 'hum'
  18. Cayin 265 Ai
  19. Musical Fidelity Supercharger
  20. Help with CM labs model?
  21. Qestion about Némésis Amplifier
  22. Dr. Matti Otala, RIP
  23. Akai AA-5000 audio amplier service manual
  24. Ground lift, Short to Chassis, RCA shield, Safe?
  25. Binding Posts Sonance VCA-1
  26. AV receiver dilemma
  27. P and N Mosfets give some output V offset
  28. SAE 2200 Rebuild/Repair...
  29. Yamaha RX-V2400 shuts down after power up
  30. Leak Delta 30 blowing rect. fuse
  31. Ideas about car audio amplifier from scratch
  32. triple bias
  33. Bipolar caps
  34. Urgent - LED bar meter
  35. SABA MI212 problem : transistor heat
  36. Too many amps flip breaker?
  37. need suggestion - emitter resistor value for 5 pairs BJT parallel output
  38. Yamaha RX-V2400 question
  39. Well, this is embarrassing. A/V receiver
  40. Classe DR-25/25 repair
  41. Coil yamaha xp7000
  42. Rotel RA-940BX distorted sound
  43. How to wire a VU meter
  44. Diode reduces THD !
  45. Class A Amp complete kit - recommendations?
  46. Pioneer SX-2300 need schematic of protect circuit
  47. Will a step-up transformer impact sound quality?
  48. Graham Nalty - Virtuous Amplifier
  49. Low cost universal amplifier chassis
  50. Krell KRC-3 to be recapped What brand?
  51. Switch mode power supplies for audio amps
  52. "super complementary" topology
  53. Looking for a high-end DiY headphone SS amp
  54. STK3152 III
  55. AKAI AA 1050 cleaning and restoring
  56. Sansui G-9000
  57. B&K Sonata Pro10MC schematic
  58. Technics SU V85A
  59. Junior Holton need advice
  60. Audio Analogue Enigma service manual
  61. KA-305: No Right Channel and need some help
  62. I sat pondering whether the Chinese can beat Goldmund at its own game
  63. KC-150 w/ DC on Speaker Terminals
  64. The SMPTE intermod distortion challenge
  65. Peavey ICA2400 Amplifier
  66. Help with Mosfet Subs....
  67. Sansui TU-X1 Modding
  68. Crackling Sony TA-2000F Pre and TA-3200F Power
  69. Firmware file for CA Azur 640r
  70. DH-100 series 1
  71. Output Resistors in P3A amp
  72. How to replace a Noble Dual Emitter Resistor
  73. interesting method to bias powerstage please read it
  74. Sansui Solid State 300.
  75. Ebay Current Feedback Amp
  76. variac question
  77. Do my Exicon MOSFETs look genuine?
  78. Need advice
  79. Issue with 3EF Diamond
  80. Crown CL 1 input sensitivity
  81. Marantz PM66KI Problem - no 'click' and smoking resistor
  82. Technics su-8044 service manual
  83. Coupling cap advice : Cambridge Audio Azur 540r
  84. Lets help each other against counterfeit
  85. Nak SR4a power supply cap replacement
  86. output devices
  87. MX50 - Input gain
  88. Luxman L550 power transitors-help needed
  89. LESA HF 845 AMPLIFIER
  90. Opamp Class B amplifier output impedance
  91. matching n and p fets capacitances
  92. Sanken STD03 in Europe
  93. loudness button adjustment on the circuit board?
  94. Nad c 355 bee integrated amplifier light?
  95. Question about circuit design
  96. ARCAM Alpha 10 amp
  97. What better sound quality build after LM3875 and Class D 2020?
  98. Voxson HR313 schematic
  99. Wega amp RCA problem
  100. amps, speakers and ohms
  101. Anyone willing to help?
  102. Sony TA-FB940R dc issues?
  103. Burson Soloist Issue and Troubleshooting
  104. Power Supply for MX50 SE Power amplifier
  105. NAD C325BEE - burnt components on AMP-SMD-L BOARD
  106. Output transistor complentary pairs
  107. Paralleling the IRF mosfets
  108. Crest CKi 800v
  109. is this good setup?? :wave2s:
  110. Surround decoder dilemma
  111. GFA-555 Help Please. (pics attached)
  112. lme49830 whats the role of Cb2 here and how much it has to be when biased high
  113. Idling current for Krell KAV 300i
  114. Hum and Buzz Issue
  115. Crown XTI 2000 fries RT6 at turn on
  116. Bulbs replaced With Leds, about resistors?
  117. Help needed with NAD 7600 idle current
  118. BC546 spice model
  119. Scott A 426
  120. Nad 302 volume pot replacement
  121. sansui B77 power amp
  122. Another Son of Ampzilla rebuild.
  123. Best amp with 2sk1058
  124. roender's shunt regulator
  125. How do you match tempco between spreader and power transistor?
  126. Elektor "The Complete Preamplifier" articles.
  127. Speaker selector, OK for amp?
  128. cannot explain the circuit
  129. Very basic clipping indicator
  130. Replacement transistors for HK 6500
  131. What's this diff input topology called?
  132. About power amplifier input? Thanks.
  133. About power, bi-amping?
  134. Global Feedback - A huge benefit for audio
  135. question about mosfet direction
  136. Yamaha RX 495
  137. Veroboard Maplin Amp
  138. Adcom GFA-535 blowing main power fuse
  139. what is the difference between 2SC5200 and 2SC5200N
  140. Please check my heatsink estimate
  141. Multiple Feedback Filter Design doubt
  142. Musical Fidelity a3cr power amp modifications
  143. technics SU-7100 help
  144. Mounting amp upside down
  145. The Brief History of my life with SECA designs
  146. Technics SE-9060 vs multiple compüarison?!
  147. OP amp driving MegaOhm load
  148. grounding issues with integrated amp
  149. AV Processor
  150. Hafler
  151. Yamaha RX-Z9 in protect mode
  152. LME49830 with ALF16N8P x 10 per rail
  153. Class AB Amp Questions.
  154. Anyone tried broskies "super triode" circuit to drive efficient sub?
  155. Arcam Alpha 2 Help/Advice
  156. Solid State Power Amplifier Kits (Modules) - Listening Tests wanted
  157. Surges and spikes
  158. About AV receiver as power amplifier?
  159. Pegeant AV-126-TR Projector
  160. Pcb request
  161. NAD 3020 recap
  162. Need information of preamps.
  163. Cambrige Azur 740A int amp Bias and offset adjustment ?
  164. Adcom ga-5802
  165. Speaker impedance with output transformer
  166. Pro Audio High Fidelity IPS
  167. Hi End 3 Band Tone Control DIY Kit - Bass Mid Treble
  168. Would this be a suitable replacement for 2sd675
  169. NG'ANYA: the art of entertainment
  170. Adcom GFP-555 upgrades from AudioXpress
  171. IRFP240 + IRFP9240 + EBAY...
  172. Pre amp for $1000.00 ???
  173. VA load - simple resistor or bootstrap
  174. EU transformer for an Hafler 9505 Transnova?
  175. Cambridge Audio A300 manual/schematics needed
  176. Double Barrel Leach underway
  177. hd amplifier bias
  178. Credo PMP154 question
  179. Rotel amp no IC version
  180. Balance control-where in the preamp chain should it go?
  181. A JIG for testing amplifier polarity
  182. Question on this schematic
  183. Haffler mosfet stuck on heat sink
  184. Left channel sometimes starts later on Marantz PM-54 II
  185. Technics SE-C01 power amp
  186. Query on BF471 as VAS
  187. Restoring old 2N3055 based amp, need advice
  188. based on Graham Dicker DIGI amp
  189. 4 watt no-gnf hybrid
  190. Is low differential input impedance of opamp not important?
  191. nad amp 701
  192. Little help with this amp please.
  193. Revisiting some "old" ideas from 1970's - IPS, OPS
  194. denon pma 260
  195. from DIY Indonesian Amplifier
  196. Soundstream D200 clone,few hours,nice sound
  197. Lampizator - Fetishizator
  198. Sinclair schematics
  199. nad 701
  200. Onkyo A-9155 - no sound but power
  201. Oliver Offset Optimiser
  202. Is discrete better than chip op amp
  203. Parasound HCA-1000A No Sound
  204. Where to measure the bias on P180?
  205. Popping sound from Left Channel of Marantz PM7002
  206. IC preamp vs discrete preamp - Different?
  207. Crest VS900 burning hot resistor R92
  208. Adcom 5400: using lower capacitance caps
  209. Help please Ne5532a op amp chip
  210. Symasym, opinions please.
  211. sub amp
  212. Low on bass SONY TAF530ES/TAF222ESR
  213. Shreek Protection at turn on
  214. Help w/Yamaha RX-550
  215. Suggestions Fuse Protection?
  216. Need advice on Power supply
  217. please check my work
  218. Nad C270
  219. Cambridge Audio A1mk3SE repair
  220. Picked up a beautiful, almost mint DC 300A. Now what?
  221. Power amplifier with 2n3055/mj2955-schematic
  222. Help with power supply repair
  223. Search Onix A-120 Schématic
  224. Apex BA1200 offset problem.
  225. Film caps are directional as well?!
  226. Sony TA 3120A
  227. Strange Amp Design?
  228. Question regard japanese voltage amp in us
  229. Large offset and large differential input to input pairs... but amp works..?
  230. amplifier TDA7294 + power supply smps
  231. Required grounding scheme for zero 60/120hz hum.
  232. APEX HB 1200 TEF
  233. My etching tank made out of k'nex..... (serious)
  234. Which Fuses For My Nikko
  235. Audio PCB's with Sprint Layout ?
  236. So... should I build this?
  237. New type of Toshiba 2sc5200/2sa1943 or FAKE?
  238. Technics SU-V3 negative voltage at output!!!
  239. Noise in my stereo tda2003 amp
  240. Input capacitor question
  241. sansui B77 power amp
  242. Seek advice on simple & very good sounding class A/B output stage.
  243. Jfet complimentary input stage or Jfet LTP?
  244. Chassis Design using Mosfets
  245. Solid State Rail Fuse Replacement
  246. qinpu a3 doesn't relay click
  247. Assembled mosfet amplifiers from ebay
  248. Nakamichi TA-3A Sound Not Working
  249. Adding a Jfet input stage for the power amplifier improves sound quality?
  250. output voltage at speaker terminals

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