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  1. Discrete, long life to them.... death for integrated circuits in audio!
  2. The MONGREL (supersym II)
  3. my luxman l-450 keeps blowing fuses
  4. Is this amplifier any good? Asking advice please.
  5. need advice before powering up amps from storage
  6. Harman Kardon "Citation" Series - complete Overview wanted
  7. Thermal coupling SMD's, in the abscence of dual devices
  8. Rotel RA-920AX
  9. headphones output
  10. Velleman amp replacment part query
  11. Sansui AU-alpha607MRX measurement
  12. What is wrong with op-amps?
  13. old kit amp from garage sale - has anyone heard of it
  14. Elna Capacitors
  15. Behringer PMH 2000
  16. Fuse Blowing Amber Series 70
  17. mac Ma5100
  18. Obsolete Transistor Replacement
  19. Rod Elliot P.68 Phase?
  20. amplifier fix help needed
  21. Troubleshooting a Cambridge A500
  22. Adcom GFA 585 faults again
  23. Need the Rega Brio-3 amp schematic
  24. sherwood ax5103
  25. "www.class-d.com" experiences ?
  26. Mosfet IRFP240/9240
  27. Quad 909 transformer sheilding
  28. gallien-krueger MB150s Protection circuit issue
  29. mains quality variation
  30. a...Rotel design
  31. Rotel RA-970BX schematic needed
  32. Leach Low TIM 4.5 bias problem
  33. fake 2sc5200?
  34. Help with diff Amp current balance
  35. Crown XLS402 amp problems
  36. DIY-Gene 60W Class A Amplifier Design
  37. Who has experience with lateral mosfets ?
  38. NAD L53 mod, preamp out
  39. anything good in fake 2sa1943 and 2sa5200?
  40. Am I wiring this correctly?
  41. parasound A51 hum
  42. Nmos200 Amp
  43. Musical Fidelity A1 (2008) power amp clone project
  44. This is functionnal
  45. 200c Amp PS Audio
  46. Wanted: Schematic and information for Harman Kardon Citation B from 1963 or 1964
  47. How to improve an old marantz pm-55
  48. Harman Kardon HK6100 Idling current
  49. Thermistor spec changes?
  50. KSA 200B - E-Bay sort of DOA
  51. Measuring THD
  52. 50 Hz in home made power amp
  53. Parasound HCA 2205A "high temp" always on
  54. Adcom Amp Repairs
  55. No sound on one channel
  56. Help! Rotel rb1080 bias setting
  57. Help needed tweaking my NAD T743 receiver!
  58. What's the skinney on using switching power supplies for Hi-Fi?
  59. Amp is making popping and snapping noises...
  60. Weird sound coming out from my speakers.
  61. Is Mooly's Amp Safe To Build?
  62. Transistor data with sorting
  63. Yamaha A-1 Revamp
  64. Meridian Link Cable for 201
  65. Krell KST100 amplifier output transistors
  66. MOSFET amplifier schematic and PCB needed
  67. Luxman L 480 who designed this amp?
  68. 300W amp, IRFP240/9240
  69. Improving amp
  70. CM915 Power Amp Info
  71. Pre amp response to minimum signals
  72. a 15" ....birthday cake
  73. Help 2SC2530 / 2SA1080 Fujitsu Ring Emitter Transistor replacement
  74. Alternatives to Sanken SAP15 in an Arcam A65
  75. how work this?
  76. Schematic For KRELL Reference Amp??
  77. amp 1000W/2000W, IRFP240/9240
  78. hifidiy.net A20 mini 20W class A Amplifier
  79. Could this ever be functionnal
  80. Any one checked this Mosfet PCB?
  81. 15A50K Pot vs B50K questions
  82. Changing the gain of an amp stage
  83. Behringer Blue Devil GX112 schematic anyone ?
  84. Irfr240/9240 - 500w
  85. Help On LTSpice Tutorial
  86. Sony TA-AX380 Stopped Working
  87. Capacitor radiation
  88. Based on Hugh Dean's AKSA 55
  89. What's wrong with my Onkyo amp?
  90. pioneer sa-6500 ii blown fuse
  91. Behringer model behaving strange...one more point to DIY amplifiers
  92. Getting more Distortion from a hybrid?
  93. OT: how can I measure THD of my amplifier if my sound card is 0,02% THD ?
  94. TGM amp goes 'tubey'
  95. Sherwood S-6040CP Repair
  96. UK Source for Marantz Spares
  97. KSA50 AMP(New production Live in...)
  98. What are the pros and the cons of those 3 vas ?
  99. Insulating Pads
  100. What can I do with these MOSFETs?
  101. beta22 Build
  102. best 60-70W DIY AMP ????????
  103. Post any working subwoofer amplifier here
  104. Powered VAS Amplifier
  105. help on designing/building solid state amp
  106. Can (Elektor) PA300 amp drive 2ohm load
  107. Star grounding with dedicated pathes
  108. Adcom 5500 class A (more not less)
  109. McIntosh MA6900 Integrated
  110. I need help/info! trying to build a frankenstien amp out of two combos
  111. DX Amp Help
  112. VL85 finecheapamp unfinished schematic shared
  113. How to choose a mono block amplifier?
  114. ParaSound HCA-1201A Schematic Needed
  115. I just broke my amp
  116. varying amp input voltage
  117. Meridian 101 Moving Coil modules
  118. Oversized TO-3 TO3 like Yamaha 2SK77 and NEC 2D363 - Overview
  119. Stereo Amplifier with pre Subwoofer
  120. op amp slew rate question
  121. Sony ta-1055 issues
  122. Sanken ST-610 Power TO-3 Transistor Replacement for Luxman SQ-503 (SQ503) ??
  123. Magnetic Enclosure and Solid State amps
  124. Pre-Amp Issues... Denon PRA-1000 Please Advise....
  125. Advice needed on replacing an Adcom GFA 545
  126. Can Feedback Servo Harm Your Amp?
  127. Adcom preamp repair -- advice needed
  128. Power Amplifiers Power Consumption
  129. KT841 and KT826 datasheet, help !!!
  130. Parallel output with/without matched devices
  131. German Translation Needed: Bias Setting for Denon PMA-520
  132. Adding Additional Outputs to An Existing Denon PMA-520 Integrated
  133. Old Guitar Preamp - First Stage - Please review for issues
  134. Take a picture of your Krell KAV-300i please?
  135. Power Amp PCB design, grounding
  136. Finished - SymAsym "AAK" with softstart
  137. how does a LEF (load effect free) amplifier work?
  138. Blaupunkt XP240+MA240 schematic/circuit plan
  139. Cooling/heatsink option
  140. big mosfet wire mixup...
  141. BUZ 901x4s 500w Mosfet - Has anyone ever used these - I am about to!
  142. Onix OA20 Repair Advice
  143. Help identifying caps in Pioneer SA-5300...Thanks
  144. Adcom 565 DED!!! Soft Start Board?
  145. Massive 2nd harmonic reduction, why does it happened?
  146. Anyone upgraded a 740A Cambridge Audio ?
  147. Revitalization suggestions for my 22 year old Ion mono amps
  148. Rotel RB 1080 Glue Problem
  149. preamps, ss versus tubes
  150. Capacitors
  151. Few question , plz help
  152. Does my Onix OA21 have Dual Primaries 120-230?
  153. CM LABS 914a original fuse rating?
  154. Help ! Need source for PS caps
  155. P170 Power Amp My First Post
  156. Fixing a Marantz SR8000 (fried input)
  157. Please Help ID this... Diode?
  158. Can someone help me find a rackmount case in the UK please?
  159. Rebuilding Soundcraftsman amp. Need advice, ID burnt resistor??? Pix attached...
  160. Link:some vintage japan machines
  161. Looking for Schematic for Soundcraftsman Amp MA-5002
  162. Logitech Z-5300: Amplifier has a bad satellite output
  163. Altec 9440A DC Offset Instability
  164. out put toroids for hard speaker loads
  165. build this or not ??
  166. 2sa1909 and 2sc5101 transistor amp schematic?
  167. output pnp quasi amp need?
  168. NAD372 query
  169. Building a Bass SS amp out of a old car subwoofer...need advice!
  170. ATS MC preamp review needed
  171. Looks like SRPP ?
  172. Spectral Power Amp/Preamp confrontation
  173. Sub-amp module or stereo power amp
  174. soundstream 604 gremlin help
  175. Darlington or Mosfet?
  176. Linsley Hood's all-mosfet power amp
  177. Questions about the humble follower
  178. QSC audio - floating supply amplifiers
  179. Leach Low-TIM amp with less power/lower voltage rails
  180. A&R CAMBRIDGE ARCAM ALPHA problems.
  181. Broken Sony TA-N330ES (2SC2921 Transistor)
  182. Creating center tap from two transformers
  183. solid state, unity gain preamp
  184. Home HiFi Audio Solid State Devices from Motorola - various pics; Model No wanted
  185. cambridge azur 740A
  186. how work this amp?
  187. Problematic receiver - Luxman R-1050
  188. Output capacitor: subjective and objective views?
  189. ss/chip amp hybrid?
  190. Brionvega "RR 126" Radiofonografo stereofonico from 1965 schematic wanted
  191. Sanken 2SA1216 2SC2922, Genuine and Fake pictures
  192. 500va transfomer 3 secondaries no centre tap
  193. Power amp circuit with PrAT wanted
  194. DC-DC Converter
  195. Any notice??
  196. McIntosh MA6100
  197. DC on output of Chinese 'current mode' ebay amplifier
  198. Power Amplifier from the German Brand "Daub"
  199. Best replacement transistors for this amp?
  200. Altec Lansing Solid State Amps 1590B, 1590E, 771B, 771BX and "SYSTEM CABINET"
  201. amplifier .... procedure
  202. PRIMARE A20 MK II no output
  203. Op-amp selectable gain +/- 1.0
  204. Need so help with an AMP question
  205. two articles by Mills & Hawksford from 1989
  206. Cambridge Azur 640A V1 Buzz
  207. ETI System A pre amp by Stan Curtis. Full article.
  208. Analog Devices -- some noise math videos
  209. Thick Film Hybrid (not monolithic) Integrated Circuit Amplifier - Overview
  210. N.Sano, T.Hayashi, H.Ogawa,"A high-efficiency class-A audio amplifier", AES preprint
  211. QUASI Amplifier for Beginners
  212. Replacing CJD capacitors with K40y-9
  213. sansui au-6900
  214. Transformer issues? Perreaux 2150B Pix, Schematic...
  215. designing TGM3 - output Triples
  216. SAE C3A Service Manual
  217. DH 220 lost a channel
  218. why high current amplifiers?
  219. DIY amp for active subwoofer?
  220. Vintage AMPS in Nigeria?
  221. One channel of my Parasound HCA1000A bit the dust
  222. SAE R-102 Need help
  223. Replacing Bias IC with Individual Transistors
  224. +/- 85 volts symmetrical power supply
  225. P68 ...upgrade ( ??? )
  226. Classic Aragon (2004, 2004 MK II, 4004, 4004 MK II ) problems, experience and repairs
  227. Optical Attenuator/switches... any one ever even seen these. Opto isolated FETs
  228. Carver HR 875 pre-out bass distortion
  229. Vishay/Siliconix vs. IR irfp150
  230. problem in transistor test
  231. Looking for recommendations on TO-220 package GSD (Hitachi) pin-out MOSFETs
  232. Sony receiver won't turn on - need help
  233. what is the best to build?
  234. Finished Nmos200
  235. PP buffer question
  236. which NAD older generation amps & integrated amps are bipolar or mosfet?
  237. QUAD 909 Stereo - How to Mono?
  238. Ultra low noise amp with JFET's - How to reduce the THD ??
  239. fisher ca2110 amp help
  240. Simple classA power amplifier
  241. Weird oscillation problem
  242. Welling HS-8 Powered subwoofer problem..
  243. Where to buy power amps kits here in the usa?
  244. Very Old Mk1 Audiolab 8000A DIN sockets
  245. OPS topology
  246. Rotel RA-960BX power conversion
  247. Can this work ?
  248. Transistor substitutes
  249. What type of integrated amp is this please.
  250. Rotel RMB- 100

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