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  1. Speaker Impedance Variation-A question
  2. a complete accurate VAS with JFET and BJT
  3. Audiolab 8000A Biding post -Help
  4. adcom 555 mk 11
  5. Adcom gfa-555II problem/question
  6. What characteristics have a good small signal FET ???
  7. Sub MJ21194 for NEC 2SD555 or not?
  8. marantz pm7001,blows fuses,help needed
  9. Usher amplifiers
  10. Equalization to Remove Speaker and Room Effects
  11. Pyle Audio Amps and Recievers Any good?
  12. Another high DC Adcom GFA-555
  13. Parts on Fleabay
  14. Where to Buy ?
  15. An Old subwoofer amplifier requires a modification
  16. NAD amplifier repairs
  17. matched transistor
  18. Dynaco solid state manuals available for download
  19. Tube sound with op amps?
  20. SAE X-10A Amplifier Schematic Needed
  21. NAD 7150 FM section
  22. Amplifier Hiss!....what causes it?...its bothering me!
  23. PCB Mounted Trimpots/Potentiometers
  24. Crown 460 CSL Mono Bridge Problem
  25. Odissey Tempest PRE AMP
  26. BZX79C12V spice model
  27. Sony STR-DE545...repair or junk?
  28. g100r cd Marshall
  29. Idea for using the IXTH20n50D
  30. Power Acoustik ps4-600 dead
  31. usher R1.5 noise
  32. Earthing concern - pre amp and traffo help
  33. Transistor modeling - how do I generate P-Spice Parameter ?
  34. 2N3055 inside - commercial famous amplifier models, quasi complementary power output
  35. MOSFET Power Amplifier
  36. p3a dc offset
  37. Why am I getting a positive phase shift
  38. super leach with 65mV at speaker output
  39. crown microtech 600 help
  40. Soft start headache
  41. Pwr Supply Cap upgrade question.....
  42. Anyone know where I can get a single custom toroidal made?
  43. Problem with Aragon 24k - pop and low output
  44. Mod Squad Phono Drive
  45. need help with power transistor
  46. Which Amplification Topology Do YOU Love?
  47. Please, help me with Self Blameless
  48. Upgrading Transformer in Crate Practice Amp
  49. Higher Power Low TIM Leach
  50. Dx HRII, High Resolution II - now a thread for this veteran
  51. Acurus A200 schematic here
  52. Hacking a Denon AVR-1804
  53. Suppliers in Melbourne, Australia?
  54. Cambridge Audio p500
  55. WTB Thick Ceramic TO-220 Insulators
  56. Marshall AVT50 Mods
  57. Cryrus II and PSX Help
  58. Thule Audio Vintage Integrated Amplifier IA-120 (IA120) Schematic wanted
  59. Schematic for Nikko Alpha450
  60. Simple amp with directcoupled PP-follower
  61. Output stage madness - inductances and other design considerations
  62. Sumo 9 Power Amp - Input Impedance?
  63. Need help to diagnose a Hafler DH200 problem...
  64. Can someone here help me figure out if I've laid out my schematic correctly?
  65. Help with inspection of ADCOM 565 I might buy
  66. Describing that "ON" noise in old SS equipment
  67. USB Sound Card for Measurement
  68. sumo amp schema here
  69. Dx Blame ES .... based into the Blameless, i am trying a new amplifier
  70. Looking for (Generic) Preamp Troubleshooting Advice
  71. Nad3220PE
  72. Adcom GFA-5400 Thermal Problem
  73. Recommendation on Distortion Analyzer
  74. preamp that always have same output if input is not always same
  75. Giesberts IGBT amplifier Elektor 1995
  76. Bias Cap??? Size???
  77. Remote pream kit -any suggestions?
  78. Accuphase e202 right channel quiet
  79. How do you know how good your diy amp is?
  80. Has anyone ever tried to clone the classic Classe DR3 VHC?
  81. Sentec sc-8
  82. Denon AVR-588 Schematics Wanted
  83. torodial transformer question
  84. Marantz SR14 idling current issues
  85. White Audio Labs
  86. Old BGW 550D
  87. Audio amp. to IXFH26N50, please, suggest me an application/circuit to this component
  88. who knows what is the FT for TIP122,please
  89. italian diy site link
  90. Aura Va100 mkII driving electrostatics?
  91. FDP61N20 mosfet amp idea
  92. jfet 2sk68a replacement.......
  93. Service manual yamaha RX-V1300 RDS
  94. Need help troubleshooting an amplifier...
  95. Unbelievable Slovenian Technics Power Amp
  96. Bi-Amping Question
  97. Amplifier schematic need
  98. Jfet audio buffer
  99. Calor amp 40watts Class A !
  100. Cat 6 for internal amp wiring
  101. My take on a **buildable** Discrete Op-Amp...
  102. Leach Superamp
  103. Leach Superamp
  104. Looking for DH500 schematic - original series
  105. Question about transistor replacement
  106. Dynaco Stereo 120...can be beautiful
  107. 2 board versions, 2 different input caps, which is better?
  108. Feedback OpAmp Question
  109. Harmon Kardon PM 645 Vxi issues
  110. bryston clone
  111. Sony STR DE525 - Repair or Trash?
  112. 2.1 channel ebay amplifier?
  113. Help with NAD 3130!!!!!!!!!!!!!!!!!!!!!!!!
  114. Fully Balanced Bridge Amplifier AES articles request
  115. Spice Model for 2SA1210/2SC2912?
  116. CAMBRIDGE AUDIO AZUR 540R V2 tuning / modification
  117. Diy Solid state amp, designs
  118. Best books for solid state design?
  119. A little help please
  120. Recapping Sansui 881
  121. Levinson ML-9 Help?
  122. symasym input transistor change
  123. Yet another discrete op-amp
  124. Need datasheet for IC 611548
  125. Pavel's MOSFET Follower - No Darlington Mod
  126. UV label method for diy front panels
  127. Adding remote control to Rotel RA-870BX
  128. active xo help
  129. bd 140
  130. shortcutting protocol
  131. Help me choose an amp?
  132. 70V right to speakers?
  133. Evolve Non Global Feedback Distortion Cancellation Power Amplifier
  134. About ExtremA circuit
  135. Lab Gruppen ip1350 and ip2100 service manuals
  136. One to watch out for... new book.
  137. Anyone built/listened to D Selfs precision preamp.
  138. L-20 200w class b amp
  139. What is the primary limiter of power in AVRs
  140. Rohm SMD transistors
  141. ASR COLLECTOR preamp (German)
  142. Elco`s with no low esr in amp
  143. What is your development / prototype process?
  144. Crosstalk and image.
  145. Remote Trigger
  146. Anyone built this mosfet follower (or similar)?
  147. Borbely cascode power requirements
  148. Service manuals goldmine....
  149. VGS of diff pair mosfets
  150. Improving the HP-333A distortion analyser ?
  151. CCS loaded LTP with 'bloom control'
  152. Which 15000uf 63v caps??
  153. Most powerful amps
  154. replacement for TBA231 help req
  155. Voltage Vs Wattage question ?
  156. what power supply for TA2022
  157. How to do IMD simulation in LTspice!!!
  158. Using opa2134pa in denon PMA1560
  159. What happens if you do "this" instead of "that"?
  160. Adcom GFA 555 amp - Troubleshooting Q
  161. njm2082d replacement
  162. 8000uF MKP Caps for Krell MRA = Master Reference Amplifier - Schematic wanted
  163. BUX127 VD0 transistors
  164. Confused about USB/DAC choice.
  165. Microphone self-noise
  166. HH s500d schematic help needed
  167. Help: problem whit my Perreaux power amp
  168. Aura VA100 Phono stage problem
  169. Bd 139
  170. Clone kits of famous power amplifier
  171. Nikko na-850
  172. Parasound HCA-2200 II Fuses
  173. Mosfet Power Amplifier
  174. Azure 640A PSU Humm?
  175. THD distortion HELP!!!
  176. Marantz PM52SE & JVC A-S3 Amp Schematics
  177. Dynamic Headroom
  178. Harman-Kardon HK6250
  179. Please Help with capacitor replacement
  180. awb50 ,a simple power amp
  181. Cyrus III power amp schematic here, but schematics of the later models wanted
  182. I am proud to announce the Dx-M, 300 wiskies of power with a very low distortion
  183. Modding Quad 44
  184. MosFet Relays
  185. replacement 2sa1142p
  186. musical fidelity MFXA50 DIY
  187. Schematic needed
  188. Issues with Superscope BLA-530 by Marantz
  189. biasing my kenwood 6140A
  190. Disimproved NAD 304
  191. Old amp upgrades?
  192. Sourcing parts from old amps.
  193. just got a free RLSTC STA-2000. recap?
  194. Bell PSX6022 or PSX5022 urgent
  195. Max voltage of 2SK170?
  196. Boss Riot R735 in protection mode
  197. I need more bass!
  198. Ultra high precision digital control attenuator
  199. Does anyone know what transformer was used in the Adcom GFA-585 power amp?
  200. B & K Pro10MC
  201. Reaction-cons.
  202. The most modern ancient design, Doctor Self, maybe Curl , teenagers that time...
  203. MPSU07/57 replacements
  204. Hybrid SEPP Cascode TransNova High Zo Amp
  205. Crest Pro Series Bias? 10001
  206. What makes me believe that discrete is better
  207. onix oa21 problem
  208. the stupid question series: AC coupled balanced/unbalanced output, servo useful?
  209. Yamaha BX-1 monoblock
  210. Ratio of power into load and driver transistor
  211. AV800 again :D
  212. Searching 2 matched pairs 2sa1492 and 2sc3856
  213. DM/CM RFI filter on instrumentation opamp input
  214. GAS Thaedra/Thoebe phono stage adjust
  215. Running a tube preamp into a solid state preamp?
  216. Parasound HCA-1000A help needed
  217. Parallel output transistor matching
  218. BGR Blazer X10 1000W RMS Monoblock Power Amplifier
  219. P101 amp troubleshooting
  220. Question on opamps/mixing desks and production of CD's/records.
  221. Solid Solid State Power Amplifier
  222. Cleaning Switch in High-End Sony Preamp
  223. Roland SPA-240 amplifier
  224. JFET choice
  225. TOA A-1121 schematic
  226. PC simulation - what do you use?
  227. Help with this amp
  228. Bargraph and clip LED's
  229. Is this possible
  230. Best of eBays chinese offerings?
  231. LT spice DC .op function
  232. denon pma530 amp
  233. Adcom GFA 5500
  234. Simple Preamp with tone control problem.
  235. Analogue circuit analysis
  236. 5W Class A transistorized amp
  237. Zenith B935 console radio/record player
  238. help with repair of DC300A series II
  239. Heatsink insulator
  240. Stability of 2SK170 at small currents
  241. Electronic expert in Hereford wanted
  242. signal and chassis ground wiring with RCA and XLR
  243. CCS acting strange. What's wrong?
  244. Smouldering Amp, Help pls
  245. Power amp fault-any suggestions please?
  246. marantz pm94
  247. SS overheating? Can I mod it?
  248. Intel CPU heatsinks as power output transistor heatsinks?
  249. Simple 200 watt complimentary FET amplifier (possibly tube driver?)
  250. Zener diode test with dvom

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