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  1. amplifier fix help needed
  2. Troubleshooting a Cambridge A500
  3. Adcom GFA 585 faults again
  4. Need the Rega Brio-3 amp schematic
  5. sherwood ax5103
  6. "www.class-d.com" experiences ?
  7. Mosfet IRFP240/9240
  8. Quad 909 transformer sheilding
  9. gallien-krueger MB150s Protection circuit issue
  10. mains quality variation
  11. a...Rotel design
  12. Rotel RA-970BX schematic needed
  13. Leach Low TIM 4.5 bias problem
  14. fake 2sc5200?
  15. Help with diff Amp current balance
  16. Crown XLS402 amp problems
  17. DIY-Gene 60W Class A Amplifier Design
  18. Who has experience with lateral mosfets ?
  19. NAD L53 mod, preamp out
  20. anything good in fake 2sa1943 and 2sa5200?
  21. Am I wiring this correctly?
  22. parasound A51 hum
  23. Nmos200 Amp
  24. Musical Fidelity A1 (2008) power amp clone project
  25. This is functionnal
  26. 200c Amp PS Audio
  27. Wanted: Schematic and information for Harman Kardon Citation B from 1963 or 1964
  28. How to improve an old marantz pm-55
  29. Harman Kardon HK6100 Idling current
  30. Thermistor spec changes?
  31. KSA 200B - E-Bay sort of DOA
  32. Measuring THD
  33. 50 Hz in home made power amp
  34. Parasound HCA 2205A "high temp" always on
  35. Adcom Amp Repairs
  36. No sound on one channel
  37. Help! Rotel rb1080 bias setting
  38. Help needed tweaking my NAD T743 receiver!
  39. What's the skinney on using switching power supplies for Hi-Fi?
  40. Amp is making popping and snapping noises...
  41. Weird sound coming out from my speakers.
  42. Is Mooly's Amp Safe To Build?
  43. Transistor data with sorting
  44. Yamaha A-1 Revamp
  45. Meridian Link Cable for 201
  46. Krell KST100 amplifier output transistors
  47. MOSFET amplifier schematic and PCB needed
  48. Luxman L 480 who designed this amp?
  49. 300W amp, IRFP240/9240
  50. Improving amp
  51. CM915 Power Amp Info
  52. Pre amp response to minimum signals
  53. a 15" ....birthday cake
  54. Help 2SC2530 / 2SA1080 Fujitsu Ring Emitter Transistor replacement
  55. Alternatives to Sanken SAP15 in an Arcam A65
  56. how work this?
  57. Schematic For KRELL Reference Amp??
  58. amp 1000W/2000W, IRFP240/9240
  59. hifidiy.net A20 mini 20W class A Amplifier
  60. Could this ever be functionnal
  61. Any one checked this Mosfet PCB?
  62. 15A50K Pot vs B50K questions
  63. Changing the gain of an amp stage
  64. Behringer Blue Devil GX112 schematic anyone ?
  65. Irfr240/9240 - 500w
  66. Help On LTSpice Tutorial
  67. Sony TA-AX380 Stopped Working
  68. Capacitor radiation
  69. Based on Hugh Dean's AKSA 55
  70. What's wrong with my Onkyo amp?
  71. pioneer sa-6500 ii blown fuse
  72. Behringer model behaving strange...one more point to DIY amplifiers
  73. Getting more Distortion from a hybrid?
  74. OT: how can I measure THD of my amplifier if my sound card is 0,02% THD ?
  75. TGM amp goes 'tubey'
  76. Sherwood S-6040CP Repair
  77. UK Source for Marantz Spares
  78. KSA50 AMP(New production Live in...)
  79. What are the pros and the cons of those 3 vas ?
  80. Insulating Pads
  81. What can I do with these MOSFETs?
  82. beta22 Build
  83. best 60-70W DIY AMP ????????
  84. Post any working subwoofer amplifier here
  85. Powered VAS Amplifier
  86. help on designing/building solid state amp
  87. Can (Elektor) PA300 amp drive 2ohm load
  88. Star grounding with dedicated pathes
  89. Adcom 5500 class A (more not less)
  90. McIntosh MA6900 Integrated
  91. I need help/info! trying to build a frankenstien amp out of two combos
  92. DX Amp Help
  93. VL85 finecheapamp unfinished schematic shared
  94. How to choose a mono block amplifier?
  95. ParaSound HCA-1201A Schematic Needed
  96. I just broke my amp
  97. varying amp input voltage
  98. Meridian 101 Moving Coil modules
  99. Oversized TO-3 TO3 like Yamaha 2SK77 and NEC 2D363 - Overview
  100. Stereo Amplifier with pre Subwoofer
  101. op amp slew rate question
  102. Sony ta-1055 issues
  103. Sanken ST-610 Power TO-3 Transistor Replacement for Luxman SQ-503 (SQ503) ??
  104. Magnetic Enclosure and Solid State amps
  105. Pre-Amp Issues... Denon PRA-1000 Please Advise....
  106. Advice needed on replacing an Adcom GFA 545
  107. Can Feedback Servo Harm Your Amp?
  108. Adcom preamp repair -- advice needed
  109. Power Amplifiers Power Consumption
  110. KT841 and KT826 datasheet, help !!!
  111. Parallel output with/without matched devices
  112. German Translation Needed: Bias Setting for Denon PMA-520
  113. Adding Additional Outputs to An Existing Denon PMA-520 Integrated
  114. Old Guitar Preamp - First Stage - Please review for issues
  115. Take a picture of your Krell KAV-300i please?
  116. Power Amp PCB design, grounding
  117. Finished - SymAsym "AAK" with softstart
  118. how does a LEF (load effect free) amplifier work?
  119. Blaupunkt XP240+MA240 schematic/circuit plan
  120. Cooling/heatsink option
  121. big mosfet wire mixup...
  122. BUZ 901x4s 500w Mosfet - Has anyone ever used these - I am about to!
  123. Onix OA20 Repair Advice
  124. Help identifying caps in Pioneer SA-5300...Thanks
  125. Adcom 565 DED!!! Soft Start Board?
  126. Massive 2nd harmonic reduction, why does it happened?
  127. Anyone upgraded a 740A Cambridge Audio ?
  128. Revitalization suggestions for my 22 year old Ion mono amps
  129. Rotel RB 1080 Glue Problem
  130. preamps, ss versus tubes
  131. Capacitors
  132. Few question , plz help
  133. Does my Onix OA21 have Dual Primaries 120-230?
  134. CM LABS 914a original fuse rating?
  135. Help ! Need source for PS caps
  136. P170 Power Amp My First Post
  137. Fixing a Marantz SR8000 (fried input)
  138. Please Help ID this... Diode?
  139. Can someone help me find a rackmount case in the UK please?
  140. Rebuilding Soundcraftsman amp. Need advice, ID burnt resistor??? Pix attached...
  141. Link:some vintage japan machines
  142. Looking for Schematic for Soundcraftsman Amp MA-5002
  143. Logitech Z-5300: Amplifier has a bad satellite output
  144. Altec 9440A DC Offset Instability
  145. out put toroids for hard speaker loads
  146. build this or not ??
  147. 2sa1909 and 2sc5101 transistor amp schematic?
  148. output pnp quasi amp need?
  149. NAD372 query
  150. Building a Bass SS amp out of a old car subwoofer...need advice!
  151. ATS MC preamp review needed
  152. Looks like SRPP ?
  153. Spectral Power Amp/Preamp confrontation
  154. Sub-amp module or stereo power amp
  155. soundstream 604 gremlin help
  156. Darlington or Mosfet?
  157. Linsley Hood's all-mosfet power amp
  158. Questions about the humble follower
  159. QSC audio - floating supply amplifiers
  160. Leach Low-TIM amp with less power/lower voltage rails
  161. A&R CAMBRIDGE ARCAM ALPHA problems.
  162. Broken Sony TA-N330ES (2SC2921 Transistor)
  163. Creating center tap from two transformers
  164. solid state, unity gain preamp
  165. Home HiFi Audio Solid State Devices from Motorola - various pics; Model No wanted
  166. cambridge azur 740A
  167. how work this amp?
  168. Problematic receiver - Luxman R-1050
  169. Output capacitor: subjective and objective views?
  170. ss/chip amp hybrid?
  171. Brionvega "RR 126" Radiofonografo stereofonico from 1965 schematic wanted
  172. Sanken 2SA1216 2SC2922, Genuine and Fake pictures
  173. 500va transfomer 3 secondaries no centre tap
  174. Power amp circuit with PrAT wanted
  175. DC-DC Converter
  176. Any notice??
  177. McIntosh MA6100
  178. DC on output of Chinese 'current mode' ebay amplifier
  179. Power Amplifier from the German Brand "Daub"
  180. Best replacement transistors for this amp?
  181. Altec Lansing Solid State Amps 1590B, 1590E, 771B, 771BX and "SYSTEM CABINET"
  182. amplifier .... procedure
  183. PRIMARE A20 MK II no output
  184. Op-amp selectable gain +/- 1.0
  185. Need so help with an AMP question
  186. two articles by Mills & Hawksford from 1989
  187. Cambridge Azur 640A V1 Buzz
  188. ETI System A pre amp by Stan Curtis. Full article.
  189. Analog Devices -- some noise math videos
  190. Thick Film Hybrid (not monolithic) Integrated Circuit Amplifier - Overview
  191. N.Sano, T.Hayashi, H.Ogawa,"A high-efficiency class-A audio amplifier", AES preprint
  192. QUASI Amplifier for Beginners
  193. Replacing CJD capacitors with K40y-9
  194. sansui au-6900
  195. Transformer issues? Perreaux 2150B Pix, Schematic...
  196. designing TGM3 - output Triples
  197. SAE C3A Service Manual
  198. DH 220 lost a channel
  199. why high current amplifiers?
  200. DIY amp for active subwoofer?
  201. Vintage AMPS in Nigeria?
  202. One channel of my Parasound HCA1000A bit the dust
  203. SAE R-102 Need help
  204. Replacing Bias IC with Individual Transistors
  205. +/- 85 volts symmetrical power supply
  206. P68 ...upgrade ( ??? )
  207. Classic Aragon (2004, 2004 MK II, 4004, 4004 MK II ) problems, experience and repairs
  208. Optical Attenuator/switches... any one ever even seen these. Opto isolated FETs
  209. Carver HR 875 pre-out bass distortion
  210. Vishay/Siliconix vs. IR irfp150
  211. problem in transistor test
  212. Looking for recommendations on TO-220 package GSD (Hitachi) pin-out MOSFETs
  213. Sony receiver won't turn on - need help
  214. what is the best to build?
  215. Finished Nmos200
  216. PP buffer question
  217. which NAD older generation amps & integrated amps are bipolar or mosfet?
  218. QUAD 909 Stereo - How to Mono?
  219. Ultra low noise amp with JFET's - How to reduce the THD ??
  220. fisher ca2110 amp help
  221. Simple classA power amplifier
  222. Weird oscillation problem
  223. Welling HS-8 Powered subwoofer problem..
  224. Where to buy power amps kits here in the usa?
  225. Very Old Mk1 Audiolab 8000A DIN sockets
  226. OPS topology
  227. Rotel RA-960BX power conversion
  228. Can this work ?
  229. Transistor substitutes
  230. What type of integrated amp is this please.
  231. Rotel RMB- 100
  232. Rotel RMB- 100
  233. need advise in SAE C3A retrofit
  234. Sugestions needed on power amp schematics to fit these MOSFETs.
  235. Concept 16.5 Issues.
  236. Looking for Aragon IPS (or equivelent)
  237. repairing Event 20/20bas active speakers
  238. studiomaster clip fault
  239. protection circuit for amps
  240. PO3_150W_Power_amp
  241. Diode Clipper ?
  242. help required with img stageline sta 750 schematic
  243. Scalar Audio Power Amplifier
  244. Peavey Mace VT series
  245. inca tech claymore mk3
  246. Power J-fet + PNP buffer
  247. Low and distorted output after amplifier heats up
  248. Look for Amplifier tda2052
  249. Active crossover modification
  250. Restek Fantasy amp cap upgrade + opamps and Bursons!

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