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  1. Bjt vs mosfet drive
  2. preamp static troubleshooting
  3. question
  4. Krell KSA-300S cliks off
  5. replacement cyrus 2 rocker switch .
  6. Switching source and levels in a multi-channel amplifier
  7. power amplifier
  8. Yamaha Power Amp Circuit Theory Help
  9. circuit switching
  10. CCD-2400 Concept Car Amp
  11. Powering on my LCD causes my amp to hum through the speakers
  12. ideas on fixing amp?
  13. a / b Selector Switch - Stupid Question.
  14. Cyrus One Amplifier - One Channel Silent - What could it be?
  15. Quad 606 into a 2 ohm load
  16. Hiss sound from DIY speaker, anyway to remove it ?
  17. Opamp maximum output current (NE5532 or similar)
  18. Soliciting advice on mods for Soundcraftsmen FET PR1800
  19. Help carver M400 Oscillating
  20. mosfet opamp
  21. A Modified P3A
  22. Any Jean Hiraga class A PCBs or kits?
  23. Running Power Amplifier in Inverted Mode
  24. Baker clamps?
  25. HRII to operate with 55V - a higher power HRII
  26. Rack, cabinets, chassis dimensions
  27. What known accurate spice models are around?
  28. 45W@8R 70W@4R CLASS B SO LOW DISTORTION.
  29. Carlsbro 80 GLX Problem
  30. blown 2sj201 and 2sk1530
  31. diyAB Amp - The "Honey Badger"
  32. common source amplifier with CFP output
  33. Fairly fast buffer
  34. 'Low performance' transformer tests
  35. 2sc5200 a1943 amp suggestions needed
  36. Aura Evolution VA100 Mk2. Which transistor is which?
  37. Nothing to see here
  38. Revox A78 Speaker Connnections
  39. Help the Apex 550W Class-B?!
  40. Depleation Mode MOSFET current sink.
  41. Need schematic for BASH INDIGO 600080 subwoofer
  42. Ibanez SW65 Amp help
  43. Which SS kit good for tube hybrid?
  44. Do you like Class A?
  45. Lateral mosfet driving question - Hitachi amplifiers
  46. Help, need licensed electrician to fix fusebox, run seperate outlet, etc.
  47. HELP NEEDED!!! Broken Potentiometer.. :/
  48. Need help diagnosing/fixing/finding something to do with Marantz 2225
  49. Modifying Emotiva XPA-5
  50. simple question about PS for DX Blame MKII
  51. Need help fixing guitar amp
  52. Weird Power Transister Sound.
  53. Engineer, help please - Neg. feedback/infilters
  54. Budget amp work-over :)
  55. Circuit schematic question for Rotel amp.
  56. Require correct substitute for B512
  57. Bias servo in the AN-1651
  58. The design of active crossovers
  59. Poweramp with IRFP4668
  60. Leave Adcom GFA-585 Turned on?
  61. unbalanced single or dual channel mosfet amp input OP circuit
  62. electrocompaniet ec 4.7
  63. H/K Citation 11 substitute for FET Q508
  64. My Dead Arcam 200 AVR project/helpHi all 0/ Basically I have an old Arcam 200 AVR tha
  65. Need help identifying SMD device for NAD T765 receiver. thx
  66. Transistor replacements
  67. bypass capacitor size
  68. Overheating Class A
  69. jFET Power Buffer
  70. JLH Class A headphone amp- where to buy from ?
  71. Bias Drifting Higher?
  72. Info On Digitech Amp Simulator
  73. Tweak of Luxman SQ 507x
  74. Quad 405-2, 34 & FM4...
  75. ZEUS TWO AMP
  76. Sony STR-6065 Receiver Left Channel Issues
  77. electrocompaniet ec 4.7
  78. 1000W PA Quasi NMOS Amp - Class H Stepdriver possibile ?
  79. Help needed on replacing Adcom 545 power supply caps!
  80. Poor bass in Yamaha receiver
  81. Poor bass in Yamaha receiver
  82. Class AB is being mismaligned ?
  83. Silicon Chip Ultra-LD Mk 3 < 0.004% THD @ 20KHz
  84. 2sa1216/2sc2922 designs?
  85. Hybrid situation
  86. HK930 with no output
  87. how do they sound
  88. THD vs output power in LTspice
  89. the Perfect preamplifier TWO
  90. jfet without biasing
  91. Steg K24 Vs Phoenix Gold 2125 ms
  92. Adcom GFA-545; What's all the buzz about?
  93. Forte model 4 article
  94. Marantz SR4500
  95. another "STAR" ground question
  96. Optocoupler Speaker Protection
  97. PMI AN-24
  98. NEW DESIGN L 150W FET AMPLIFIER
  99. Hiss in one channel
  100. Denon PMA900V idle current adj
  101. Need advice on what to build...
  102. Crest CA9 / P.Audio PA9... differences?!
  103. Samples from ONsemi fakes ?
  104. Silicon Chip ULD Mk3 amp - 0.0006% distortion
  105. Service manual amp Luxman M300
  106. Musical Fedelity A100 pre outs?????
  107. Any links to "Are Op Amps Really Linear?" by Barrie Gilbert?
  108. HK6350 tuning ?
  109. OLG Phase vs Output Phase
  110. Use a shielded connector?
  111. New World Order (audio conspiracy theory)
  112. wharfedale pm 600 problems
  113. 2SK332F spice model for LTspice
  114. Blown Parasound HCA-2205a
  115. psu transformer choice ?
  116. Amp with multiple stereo speaker outputs
  117. So this is a "perfect" amp? But innovative?
  118. Common base VAS
  119. Mixed-mode feedback gain formula
  120. NEED A 600W@4E AMP .............WHICH TO START WITH
  121. Distorts after about twenty minutes
  122. Faulty transistor?
  123. mjl
  124. What amp/amps boards would you like to see produced for your project?
  125. My last PA
  126. Output Relays
  127. low output capacitance buffer?
  128. Nytech service manual
  129. 400watt/800watt irfp240 irfp9240 audio amplifier
  130. Why battle with Chinese board manufacturers?
  131. Negative output impedance
  132. trying to fix RANDALL RH-100 - need help
  133. P channel jfet preamp circuit
  134. TLE-2426 as "negative" virtual ground?
  135. In need to solder!!
  136. Need help with my bi-amp system
  137. GFA-555 II Thermal
  138. eq mic
  139. Arcam delta 290 switch to Power amp mode
  140. M3/Sigma 11 Build check
  141. WHAT is this amps trafo ?
  142. Chinse DX amp compensation capacitor
  143. Ab International 322t
  144. Burns Orbit Three Guitar Amp info required
  145. Second loss for National and Semi Industry
  146. Tobey & Dinsdale amp in Wireless World
  147. Delay Amp power up using a relay.
  148. Carver PM1200 rail voltage and idle bias settings
  149. Heathkit AA 1640 mods
  150. NHT Subtwo (Amplifier)
  151. new vs old harman receivers
  152. finished AV400 help with problem
  153. Active crossover built into amp
  154. build NEW AV800 / AV1000 MOSFET AMP IRFP240 IRFP9240
  155. BC550-560 Symmetric with LATERAL Output - Hiraga style
  156. RD15ESB ZENER DIODE
  157. Help with several issues please: rewiring, blown B&K AVR507 updated to version 3, etc
  158. Proton D1200 Replacement Transistors
  159. Tecnics SU-Z1 to refurbish
  160. THE PHILIPS 22AH708
  161. Separate IPS and OPS boards?
  162. current source for class a se amp
  163. Sanken 2sa1216 and 2sc2922
  164. Marantz SR-18 Doesn't Turn On: Worth Repairing?
  165. Sumo Andromeda very early series schematics
  166. ONKYO TXNR509 DAC signal question
  167. Marantz PM7003 + Passive Pre Amp (stepped) questions
  168. 6N136 model
  169. Headphone amplifier
  170. Pls help identify resistors on pcb of a Mark Levinson 23.5
  171. Will that amp be as good as the author pretends?
  172. Reparing Sugden A 28
  173. Yet another amp - simple inverted with 10x gain, mosfet output stage
  174. Dynaco Stereo 400
  175. Will Tillman Preamp improve acoustic guitar sound?
  176. LEAD ACID BATTERY POWERED JLH CLASS A
  177. Monoblock amp hot at idle compared to its brother
  178. High power AMP design
  179. How can one tell if it is a lateral MOSFET
  180. Active 3 way system
  181. Correct bias setting for mosfet amp w/out scope?
  182. Suggest me an amp design!
  183. Pioneer SX-980 Help!
  184. Layout critique
  185. Pioneer A300R phono stage
  186. All electric diagram for Sunden A28
  187. setting bias mosfet amp
  188. setting bias mosfet amp
  189. pioneer A400 speaker pop
  190. Bruel & Kjaer 2610 service manual needed
  191. Amplifier cooling, Dx variable speed fan blower
  192. Is it audio heresy to put some new guts in to a vintage Sony 3140f 35 watt power amp?
  193. Noob here. GFA565 running hot.
  194. Sumo Andromeda II question about shorting connectors
  195. accurate sound for deep scene
  196. pioneer A400
  197. the Perfect preamplifier jfet
  198. Electrocompaniet AW 180M adjustments
  199. where is the input in this thing?!
  200. yammy ax 470 (pt 2)
  201. Modding Vincent amplifier - tips needed
  202. What can I replace the 2SK370 and 2SJ108 with?
  203. JLH Headphone Class A
  204. How do I test a TDA2050 to see if it's good?
  205. nad 3020 volume control
  206. radioam232 located on youtube
  207. Carver M-500 blows capacitor
  208. Power MOSFET at Audio?
  209. Need Schematic for .5 to 1W Guitar Amp
  210. R2R Attenuator for Volume Control without Transition Contacts in the Signal Path
  211. SOLID STATE AMP KIT FOR BEGINNGERS? NEED SOME DIRECTION
  212. Large signal distortion in pre/VA stage
  213. Old design
  214. Determing current dump from output transistors
  215. Why do solid state guitar amps need so many op amps?
  216. darligton Leslie
  217. about the Denon PMA-700 amp
  218. Ebay KSA50 needs 2 voltages?
  219. Possible Threshold S/300 problem
  220. Help Needed - Sony SS120A chip amplifier
  221. Yamaha A-6a schematic needed
  222. REPAIRING an Electro voice 1144
  223. PCB STK4048XI, PS PCB..
  224. Has anybody Burmester or AVM schematics?
  225. Studio Project C1 preamp MOD
  226. MF A100 fans problem
  227. LT1166 bias IC
  228. yahama A-S1000 advice
  229. Crown XS700 Bias question - (schematics posted)
  230. zener base drive clamp
  231. Heatsink Question
  232. Advice on burned transistor replacement?
  233. Help on Source Follower output
  234. Need Schematic for PPI A1200.2
  235. JVC AX-Z911 right ch. broken, caps gone, voltage?
  236. My new design of differential buffer I/O board for fully balanced design
  237. Need a simple audio preamp schematic
  238. Help With ppi A1200.2
  239. LM1972 Audio Attenuator and XLR Balanced to Unbalanced
  240. Pioneer A400 - A familiar Problem?
  241. BGW 750 F/G manual or schematic
  242. Fake components?
  243. Want to convert Hafler to 220v
  244. Crown PS-400 power amp is oscillating on channel 2
  245. Marantz Model 250 Power Amp repair
  246. Crown 602 XLS Power Issue
  247. Ground Plane Prototyping
  248. Model 0147 DIY Kit from 47 labs.
  249. Best method for household FM xmitter
  250. How to diagnose an old receiver?

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