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  1. Looking for a high-end DiY headphone SS amp
  2. STK3152 III
  3. AKAI AA 1050 cleaning and restoring
  4. Sansui G-9000
  5. B&K Sonata Pro10MC schematic
  6. Technics SU V85A
  7. Junior Holton need advice
  8. Audio Analogue Enigma service manual
  9. KA-305: No Right Channel and need some help
  10. I sat pondering whether the Chinese can beat Goldmund at its own game
  11. KC-150 w/ DC on Speaker Terminals
  12. The SMPTE intermod distortion challenge
  13. Help with Mosfet Subs....
  14. Sansui TU-X1 Modding
  15. Crackling Sony TA-2000F Pre and TA-3200F Power
  16. Firmware file for CA Azur 640r
  17. DH-100 series 1
  18. Output Resistors in P3A amp
  19. How to replace a Noble Dual Emitter Resistor
  20. interesting method to bias powerstage please read it
  21. Sansui Solid State 300.
  22. Ebay Current Feedback Amp
  23. variac question
  24. Do my Exicon MOSFETs look genuine?
  25. Need advice
  26. Issue with 3EF Diamond
  27. Crown CL 1 input sensitivity
  28. Marantz PM66KI Problem - no 'click' and smoking resistor
  29. Technics su-8044 service manual
  30. Coupling cap advice : Cambridge Audio Azur 540r
  31. Lets help each other against counterfeit
  32. Nak SR4a power supply cap replacement
  33. output devices
  34. MX50 - Input gain
  35. Luxman L550 power transitors-help needed
  36. LESA HF 845 AMPLIFIER
  37. Opamp Class B amplifier output impedance
  38. matching n and p fets capacitances
  39. Sanken STD03 in Europe
  40. loudness button adjustment on the circuit board?
  41. Nad c 355 bee integrated amplifier light?
  42. Question about circuit design
  43. ARCAM Alpha 10 amp
  44. What better sound quality build after LM3875 and Class D 2020?
  45. Voxson HR313 schematic
  46. Wega amp RCA problem
  47. amps, speakers and ohms
  48. Anyone willing to help?
  49. Sony TA-FB940R dc issues?
  50. Burson Soloist Issue and Troubleshooting
  51. Power Supply for MX50 SE Power amplifier
  52. NAD C325BEE - burnt components on AMP-SMD-L BOARD
  53. Output transistor complentary pairs
  54. Paralleling the IRF mosfets
  55. Crest CKi 800v
  56. is this good setup?? :wave2s:
  57. Surround decoder dilemma
  58. GFA-555 Help Please. (pics attached)
  59. lme49830 whats the role of Cb2 here and how much it has to be when biased high
  60. Idling current for Krell KAV 300i
  61. Hum and Buzz Issue
  62. Crown XTI 2000 fries RT6 at turn on
  63. Bulbs replaced With Leds, about resistors?
  64. Help needed with NAD 7600 idle current
  65. BC546 spice model
  66. Scott A 426
  67. Nad 302 volume pot replacement
  68. sansui B77 power amp
  69. Another Son of Ampzilla rebuild.
  70. Best amp with 2sk1058
  71. roender's shunt regulator
  72. How do you match tempco between spreader and power transistor?
  73. Elektor "The Complete Preamplifier" articles.
  74. Speaker selector, OK for amp?
  75. cannot explain the circuit
  76. Very basic clipping indicator
  77. Replacement transistors for HK 6500
  78. What's this diff input topology called?
  79. About power amplifier input? Thanks.
  80. About power, bi-amping?
  81. Global Feedback - A huge benefit for audio
  82. question about mosfet direction
  83. Yamaha RX 495
  84. Veroboard Maplin Amp
  85. Adcom GFA-535 blowing main power fuse
  86. what is the difference between 2SC5200 and 2SC5200N
  87. Please check my heatsink estimate
  88. Multiple Feedback Filter Design doubt
  89. Musical Fidelity a3cr power amp modifications
  90. technics SU-7100 help
  91. Mounting amp upside down
  92. The Brief History of my life with SECA designs
  93. Technics SE-9060 vs multiple compŁarison?!
  94. OP amp driving MegaOhm load
  95. grounding issues with integrated amp
  96. AV Processor
  97. Hafler
  98. Yamaha RX-Z9 in protect mode
  99. LME49830 with ALF16N8P x 10 per rail
  100. Class AB Amp Questions.
  101. Anyone tried broskies "super triode" circuit to drive efficient sub?
  102. Arcam Alpha 2 Help/Advice
  103. Solid State Power Amplifier Kits (Modules) - Listening Tests wanted
  104. Surges and spikes
  105. About AV receiver as power amplifier?
  106. Pegeant AV-126-TR Projector
  107. Pcb request
  108. NAD 3020 recap
  109. Need information of preamps.
  110. Cambrige Azur 740A int amp Bias and offset adjustment ?
  111. Adcom ga-5802
  112. Speaker impedance with output transformer
  113. Pro Audio High Fidelity IPS
  114. Hi End 3 Band Tone Control DIY Kit - Bass Mid Treble
  115. Would this be a suitable replacement for 2sd675
  116. NG'ANYA: the art of entertainment
  117. Adcom GFP-555 upgrades from AudioXpress
  118. IRFP240 + IRFP9240 + EBAY...
  119. Pre amp for $1000.00 ???
  120. VA load - simple resistor or bootstrap
  121. EU transformer for an Hafler 9505 Transnova?
  122. Cambridge Audio A300 manual/schematics needed
  123. Double Barrel Leach underway
  124. hd amplifier bias
  125. Credo PMP154 question
  126. Rotel amp no IC version
  127. Balance control-where in the preamp chain should it go?
  128. A JIG for testing amplifier polarity
  129. Question on this schematic
  130. Haffler mosfet stuck on heat sink
  131. Left channel sometimes starts later on Marantz PM-54 II
  132. Technics SE-C01 power amp
  133. Query on BF471 as VAS
  134. Restoring old 2N3055 based amp, need advice
  135. based on Graham Dicker DIGI amp
  136. 4 watt no-gnf hybrid
  137. Is low differential input impedance of opamp not important?
  138. nad amp 701
  139. Little help with this amp please.
  140. Revisiting some "old" ideas from 1970's - IPS, OPS
  141. denon pma 260
  142. from DIY Indonesian Amplifier
  143. Soundstream D200 clone,few hours,nice sound
  144. Lampizator - Fetishizator
  145. Sinclair schematics
  146. nad 701
  147. Onkyo A-9155 - no sound but power
  148. Oliver Offset Optimiser
  149. Is discrete better than chip op amp
  150. Parasound HCA-1000A No Sound
  151. Where to measure the bias on P180?
  152. Popping sound from Left Channel of Marantz PM7002
  153. IC preamp vs discrete preamp - Different?
  154. Crest VS900 burning hot resistor R92
  155. Adcom 5400: using lower capacitance caps
  156. Help please Ne5532a op amp chip
  157. Symasym, opinions please.
  158. sub amp
  159. Low on bass SONY TAF530ES/TAF222ESR
  160. Shreek Protection at turn on
  161. Help w/Yamaha RX-550
  162. Suggestions Fuse Protection?
  163. Need advice on Power supply
  164. please check my work
  165. Nad C270
  166. Cambridge Audio A1mk3SE repair
  167. Picked up a beautiful, almost mint DC 300A. Now what?
  168. Power amplifier with 2n3055/mj2955-schematic
  169. Help with power supply repair
  170. Search Onix A-120 Schťmatic
  171. Apex BA1200 offset problem.
  172. Film caps are directional as well?!
  173. Sony TA 3120A
  174. Strange Amp Design?
  175. Question regard japanese voltage amp in us
  176. Large offset and large differential input to input pairs... but amp works..?
  177. amplifier TDA7294 + power supply smps
  178. Required grounding scheme for zero 60/120hz hum.
  179. APEX HB 1200 TEF
  180. My etching tank made out of k'nex..... (serious)
  181. Which Fuses For My Nikko
  182. Audio PCB's with Sprint Layout ?
  183. So... should I build this?
  184. New type of Toshiba 2sc5200/2sa1943 or FAKE?
  185. Technics SU-V3 negative voltage at output!!!
  186. Noise in my stereo tda2003 amp
  187. Input capacitor question
  188. sansui B77 power amp
  189. Seek advice on simple & very good sounding class A/B output stage.
  190. Jfet complimentary input stage or Jfet LTP?
  191. Chassis Design using Mosfets
  192. Solid State Rail Fuse Replacement
  193. qinpu a3 doesn't relay click
  194. Assembled mosfet amplifiers from ebay
  195. Nakamichi TA-3A Sound Not Working
  196. Adding a Jfet input stage for the power amplifier improves sound quality?
  197. output voltage at speaker terminals
  198. Looking for schematic for Pioneer SX-40
  199. Sansui AU-4900 problem
  200. Techno SAP130 STD03P STD03N 130 Watt HiFI
  201. Need help setting idling current on old Philips amp
  202. blown amplifier channel (TDA2003)
  203. Single Ended Class A, No global feedback, 8W, MOSFET, low output Z
  204. Upgrades for Rotel RB-991 Power Amp
  205. Doxa 70 Signature Series Mk2 and BD245C/BD246C
  206. Darlington VSSA
  207. AB International 600LX Test Results
  208. Correct Naming for Pioneer/Akai Speaker Terminal used in Solid State Receivers wanted
  209. crest audio 8001 - input board details
  210. Alesis RA-500 troubles
  211. Crest Pro 9200 help
  212. Advent 300 stupid mistake
  213. Help with Kenwood M2A
  214. Emotiva DC-1 grounding mod
  215. Epsilon LT-model
  216. 2n3055 amplifier
  217. Marantz pm57
  218. How to make the PCB layout and routing better
  219. Miraculous Germanium Transistors from China
  220. Bose model 550
  221. Audio Research - A15 , Roterdam
  222. Luxman LV-105U volume pot
  223. Denon PMA-900V lowering gain/opamp swap
  224. problem with a Crest 8001 power amp
  225. LME 49710 opamp; difference in available types?
  226. C Audio TR 850 Schematics?
  227. Pioneer P4600 went dead after setting high volume
  228. Beginner trying to upgrade old speaker set with amp
  229. Parasound Amp - curious current overload
  230. Blown output transistors in Earth Original 2000
  231. Quad 306 -- Trouble shooting
  232. Adding shunt capacitor and resistor in zobel causes instability - Any ideas why?
  233. A power amplifier with 2SC2922SA1216
  234. super simple Jfet crossover
  235. Ampzilla Power Meter Schematic
  236. Pros and cons of using JFET input stage
  237. Negative 5 volt on Adcom 555 MK II
  238. Anyone help me with this amp?
  239. How to improve a Sunfire 300x2 amplifier?
  240. how to measure watt of an amplifier
  241. Unbalanced channels at low volume level.
  242. Diy stereo bluetooth portable speaker help
  243. the IPANEMA AMP
  244. Consonance Calaf, repairs and mods
  245. Strange problem with NAD 1020a pre-amp
  246. 2SJ74 NI Multisim model please
  247. Power Amp Front End with integr. OpAmp and Signal Pad by Power Supply Rail - Naming?
  248. Nakamichi RE-2 Receiver. Possible upgrades ?
  249. Thermal Track transistors bias stability at 25V 1Amp?
  250. Quad 303: setting 33.5V problem

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