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View Full Version : Solid State


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  1. Fuse Blowing Amber Series 70
  2. mac Ma5100
  3. Obsolete Transistor Replacement
  4. Rod Elliot P.68 Phase?
  5. amplifier fix help needed
  6. Troubleshooting a Cambridge A500
  7. Adcom GFA 585 faults again
  8. Need the Rega Brio-3 amp schematic
  9. sherwood ax5103
  10. "www.class-d.com" experiences ?
  11. Mosfet IRFP240/9240
  12. Quad 909 transformer sheilding
  13. gallien-krueger MB150s Protection circuit issue
  14. mains quality variation
  15. a...Rotel design
  16. Rotel RA-970BX schematic needed
  17. Leach Low TIM 4.5 bias problem
  18. fake 2sc5200?
  19. Help with diff Amp current balance
  20. Crown XLS402 amp problems
  21. DIY-Gene 60W Class A Amplifier Design
  22. Who has experience with lateral mosfets ?
  23. NAD L53 mod, preamp out
  24. anything good in fake 2sa1943 and 2sa5200?
  25. Am I wiring this correctly?
  26. parasound A51 hum
  27. Nmos200 Amp
  28. Musical Fidelity A1 (2008) power amp clone project
  29. This is functionnal
  30. 200c Amp PS Audio
  31. Wanted: Schematic and information for Harman Kardon Citation B from 1963 or 1964
  32. How to improve an old marantz pm-55
  33. Harman Kardon HK6100 Idling current
  34. Thermistor spec changes?
  35. KSA 200B - E-Bay sort of DOA
  36. Measuring THD
  37. 50 Hz in home made power amp
  38. Parasound HCA 2205A "high temp" always on
  39. Adcom Amp Repairs
  40. No sound on one channel
  41. Help! Rotel rb1080 bias setting
  42. Help needed tweaking my NAD T743 receiver!
  43. What's the skinney on using switching power supplies for Hi-Fi?
  44. Amp is making popping and snapping noises...
  45. Weird sound coming out from my speakers.
  46. Is Mooly's Amp Safe To Build?
  47. Transistor data with sorting
  48. Yamaha A-1 Revamp
  49. Meridian Link Cable for 201
  50. Krell KST100 amplifier output transistors
  51. MOSFET amplifier schematic and PCB needed
  52. Luxman L 480 who designed this amp?
  53. 300W amp, IRFP240/9240
  54. Improving amp
  55. CM915 Power Amp Info
  56. Pre amp response to minimum signals
  57. a 15" ....birthday cake
  58. Help 2SC2530 / 2SA1080 Fujitsu Ring Emitter Transistor replacement
  59. Alternatives to Sanken SAP15 in an Arcam A65
  60. how work this?
  61. Schematic For KRELL Reference Amp??
  62. amp 1000W/2000W, IRFP240/9240
  63. hifidiy.net A20 mini 20W class A Amplifier
  64. Could this ever be functionnal
  65. Any one checked this Mosfet PCB?
  66. 15A50K Pot vs B50K questions
  67. Changing the gain of an amp stage
  68. Behringer Blue Devil GX112 schematic anyone ?
  69. Irfr240/9240 - 500w
  70. Help On LTSpice Tutorial
  71. Sony TA-AX380 Stopped Working
  72. Capacitor radiation
  73. Based on Hugh Dean's AKSA 55
  74. What's wrong with my Onkyo amp?
  75. pioneer sa-6500 ii blown fuse
  76. Behringer model behaving strange...one more point to DIY amplifiers
  77. Getting more Distortion from a hybrid?
  78. OT: how can I measure THD of my amplifier if my sound card is 0,02% THD ?
  79. TGM amp goes 'tubey'
  80. Sherwood S-6040CP Repair
  81. UK Source for Marantz Spares
  82. KSA50 AMP(New production Live in...)
  83. What are the pros and the cons of those 3 vas ?
  84. Insulating Pads
  85. What can I do with these MOSFETs?
  86. beta22 Build
  87. best 60-70W DIY AMP ????????
  88. Post any working subwoofer amplifier here
  89. Powered VAS Amplifier
  90. help on designing/building solid state amp
  91. Can (Elektor) PA300 amp drive 2ohm load
  92. Star grounding with dedicated pathes
  93. Adcom 5500 class A (more not less)
  94. McIntosh MA6900 Integrated
  95. I need help/info! trying to build a frankenstien amp out of two combos
  96. DX Amp Help
  97. VL85 finecheapamp unfinished schematic shared
  98. How to choose a mono block amplifier?
  99. ParaSound HCA-1201A Schematic Needed
  100. I just broke my amp
  101. varying amp input voltage
  102. Meridian 101 Moving Coil modules
  103. Oversized TO-3 TO3 like Yamaha 2SK77 and NEC 2D363 - Overview
  104. Stereo Amplifier with pre Subwoofer
  105. op amp slew rate question
  106. Sony ta-1055 issues
  107. Sanken ST-610 Power TO-3 Transistor Replacement for Luxman SQ-503 (SQ503) ??
  108. Magnetic Enclosure and Solid State amps
  109. Pre-Amp Issues... Denon PRA-1000 Please Advise....
  110. Advice needed on replacing an Adcom GFA 545
  111. Can Feedback Servo Harm Your Amp?
  112. Adcom preamp repair -- advice needed
  113. Power Amplifiers Power Consumption
  114. KT841 and KT826 datasheet, help !!!
  115. Parallel output with/without matched devices
  116. German Translation Needed: Bias Setting for Denon PMA-520
  117. Adding Additional Outputs to An Existing Denon PMA-520 Integrated
  118. Old Guitar Preamp - First Stage - Please review for issues
  119. Take a picture of your Krell KAV-300i please?
  120. Power Amp PCB design, grounding
  121. Finished - SymAsym "AAK" with softstart
  122. how does a LEF (load effect free) amplifier work?
  123. Blaupunkt XP240+MA240 schematic/circuit plan
  124. Cooling/heatsink option
  125. big mosfet wire mixup...
  126. BUZ 901x4s 500w Mosfet - Has anyone ever used these - I am about to!
  127. Onix OA20 Repair Advice
  128. Help identifying caps in Pioneer SA-5300...Thanks
  129. Adcom 565 DED!!! Soft Start Board?
  130. Massive 2nd harmonic reduction, why does it happened?
  131. Anyone upgraded a 740A Cambridge Audio ?
  132. Revitalization suggestions for my 22 year old Ion mono amps
  133. Rotel RB 1080 Glue Problem
  134. preamps, ss versus tubes
  135. Capacitors
  136. Few question , plz help
  137. Does my Onix OA21 have Dual Primaries 120-230?
  138. CM LABS 914a original fuse rating?
  139. Help ! Need source for PS caps
  140. P170 Power Amp My First Post
  141. Fixing a Marantz SR8000 (fried input)
  142. Please Help ID this... Diode?
  143. Can someone help me find a rackmount case in the UK please?
  144. Rebuilding Soundcraftsman amp. Need advice, ID burnt resistor??? Pix attached...
  145. Link:some vintage japan machines
  146. Looking for Schematic for Soundcraftsman Amp MA-5002
  147. Logitech Z-5300: Amplifier has a bad satellite output
  148. Altec 9440A DC Offset Instability
  149. out put toroids for hard speaker loads
  150. build this or not ??
  151. 2sa1909 and 2sc5101 transistor amp schematic?
  152. output pnp quasi amp need?
  153. NAD372 query
  154. Building a Bass SS amp out of a old car subwoofer...need advice!
  155. ATS MC preamp review needed
  156. Looks like SRPP ?
  157. Spectral Power Amp/Preamp confrontation
  158. Sub-amp module or stereo power amp
  159. soundstream 604 gremlin help
  160. Darlington or Mosfet?
  161. Linsley Hood's all-mosfet power amp
  162. Questions about the humble follower
  163. QSC audio - floating supply amplifiers
  164. Leach Low-TIM amp with less power/lower voltage rails
  165. A&R CAMBRIDGE ARCAM ALPHA problems.
  166. Broken Sony TA-N330ES (2SC2921 Transistor)
  167. Creating center tap from two transformers
  168. solid state, unity gain preamp
  169. Home HiFi Audio Solid State Devices from Motorola - various pics; Model No wanted
  170. cambridge azur 740A
  171. how work this amp?
  172. Problematic receiver - Luxman R-1050
  173. Output capacitor: subjective and objective views?
  174. ss/chip amp hybrid?
  175. Brionvega "RR 126" Radiofonografo stereofonico from 1965 schematic wanted
  176. Sanken 2SA1216 2SC2922, Genuine and Fake pictures
  177. 500va transfomer 3 secondaries no centre tap
  178. Power amp circuit with PrAT wanted
  179. DC-DC Converter
  180. Any notice??
  181. McIntosh MA6100
  182. DC on output of Chinese 'current mode' ebay amplifier
  183. Power Amplifier from the German Brand "Daub"
  184. Best replacement transistors for this amp?
  185. Altec Lansing Solid State Amps 1590B, 1590E, 771B, 771BX and "SYSTEM CABINET"
  186. amplifier .... procedure
  187. PRIMARE A20 MK II no output
  188. Op-amp selectable gain +/- 1.0
  189. Need so help with an AMP question
  190. two articles by Mills & Hawksford from 1989
  191. Cambridge Azur 640A V1 Buzz
  192. ETI System A pre amp by Stan Curtis. Full article.
  193. Analog Devices -- some noise math videos
  194. Thick Film Hybrid (not monolithic) Integrated Circuit Amplifier - Overview
  195. N.Sano, T.Hayashi, H.Ogawa,"A high-efficiency class-A audio amplifier", AES preprint
  196. QUASI Amplifier for Beginners
  197. Replacing CJD capacitors with K40y-9
  198. sansui au-6900
  199. Transformer issues? Perreaux 2150B Pix, Schematic...
  200. designing TGM3 - output Triples
  201. SAE C3A Service Manual
  202. DH 220 lost a channel
  203. why high current amplifiers?
  204. DIY amp for active subwoofer?
  205. Vintage AMPS in Nigeria?
  206. One channel of my Parasound HCA1000A bit the dust
  207. SAE R-102 Need help
  208. Replacing Bias IC with Individual Transistors
  209. +/- 85 volts symmetrical power supply
  210. P68 ...upgrade ( ??? )
  211. Classic Aragon (2004, 2004 MK II, 4004, 4004 MK II ) problems, experience and repairs
  212. Optical Attenuator/switches... any one ever even seen these. Opto isolated FETs
  213. Carver HR 875 pre-out bass distortion
  214. Vishay/Siliconix vs. IR irfp150
  215. problem in transistor test
  216. Looking for recommendations on TO-220 package GSD (Hitachi) pin-out MOSFETs
  217. Sony receiver won't turn on - need help
  218. what is the best to build?
  219. Finished Nmos200
  220. PP buffer question
  221. which NAD older generation amps & integrated amps are bipolar or mosfet?
  222. QUAD 909 Stereo - How to Mono?
  223. Ultra low noise amp with JFET's - How to reduce the THD ??
  224. fisher ca2110 amp help
  225. Simple classA power amplifier
  226. Weird oscillation problem
  227. Welling HS-8 Powered subwoofer problem..
  228. Where to buy power amps kits here in the usa?
  229. Very Old Mk1 Audiolab 8000A DIN sockets
  230. OPS topology
  231. Rotel RA-960BX power conversion
  232. Can this work ?
  233. Transistor substitutes
  234. What type of integrated amp is this please.
  235. Rotel RMB- 100
  236. Rotel RMB- 100
  237. need advise in SAE C3A retrofit
  238. Sugestions needed on power amp schematics to fit these MOSFETs.
  239. Concept 16.5 Issues.
  240. Looking for Aragon IPS (or equivelent)
  241. repairing Event 20/20bas active speakers
  242. studiomaster clip fault
  243. protection circuit for amps
  244. PO3_150W_Power_amp
  245. Diode Clipper ?
  246. help required with img stageline sta 750 schematic
  247. Scalar Audio Power Amplifier
  248. Peavey Mace VT series
  249. inca tech claymore mk3
  250. Power J-fet + PNP buffer

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