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  1. Active crossover built into amp
  2. build NEW AV800 / AV1000 MOSFET AMP IRFP240 IRFP9240
  3. BC550-560 Symmetric with LATERAL Output - Hiraga style
  4. RD15ESB ZENER DIODE
  5. Help with several issues please: rewiring, blown B&K AVR507 updated to version 3, etc
  6. Proton D1200 Replacement Transistors
  7. Tecnics SU-Z1 to refurbish
  8. THE PHILIPS 22AH708
  9. Separate IPS and OPS boards?
  10. current source for class a se amp
  11. Sanken 2sa1216 and 2sc2922
  12. Marantz SR-18 Doesn't Turn On: Worth Repairing?
  13. Sumo Andromeda very early series schematics
  14. ONKYO TXNR509 DAC signal question
  15. Marantz PM7003 + Passive Pre Amp (stepped) questions
  16. 6N136 model
  17. Headphone amplifier
  18. Pls help identify resistors on pcb of a Mark Levinson 23.5
  19. Will that amp be as good as the author pretends?
  20. Reparing Sugden A 28
  21. Yet another amp - simple inverted with 10x gain, mosfet output stage
  22. Dynaco Stereo 400
  23. Will Tillman Preamp improve acoustic guitar sound?
  24. LEAD ACID BATTERY POWERED JLH CLASS A
  25. Monoblock amp hot at idle compared to its brother
  26. High power AMP design
  27. How can one tell if it is a lateral MOSFET
  28. Active 3 way system
  29. Correct bias setting for mosfet amp w/out scope?
  30. Suggest me an amp design!
  31. Pioneer SX-980 Help!
  32. Layout critique
  33. Pioneer A300R phono stage
  34. All electric diagram for Sunden A28
  35. setting bias mosfet amp
  36. setting bias mosfet amp
  37. pioneer A400 speaker pop
  38. Bruel & Kjaer 2610 service manual needed
  39. Amplifier cooling, Dx variable speed fan blower
  40. Is it audio heresy to put some new guts in to a vintage Sony 3140f 35 watt power amp?
  41. Noob here. GFA565 running hot.
  42. Sumo Andromeda II question about shorting connectors
  43. accurate sound for deep scene
  44. pioneer A400
  45. the Perfect preamplifier jfet
  46. Electrocompaniet AW 180M adjustments
  47. where is the input in this thing?!
  48. yammy ax 470 (pt 2)
  49. Modding Vincent amplifier - tips needed
  50. What can I replace the 2SK370 and 2SJ108 with?
  51. JLH Headphone Class A
  52. How do I test a TDA2050 to see if it's good?
  53. nad 3020 volume control
  54. radioam232 located on youtube
  55. Carver M-500 blows capacitor
  56. Power MOSFET at Audio?
  57. Need Schematic for .5 to 1W Guitar Amp
  58. R2R Attenuator for Volume Control without Transition Contacts in the Signal Path
  59. SOLID STATE AMP KIT FOR BEGINNGERS? NEED SOME DIRECTION
  60. Large signal distortion in pre/VA stage
  61. Old design
  62. Determing current dump from output transistors
  63. Why do solid state guitar amps need so many op amps?
  64. darligton Leslie
  65. about the Denon PMA-700 amp
  66. Ebay KSA50 needs 2 voltages?
  67. Possible Threshold S/300 problem
  68. Help Needed - Sony SS120A chip amplifier
  69. Yamaha A-6a schematic needed
  70. REPAIRING an Electro voice 1144
  71. PCB STK4048XI, PS PCB..
  72. Has anybody Burmester or AVM schematics?
  73. Studio Project C1 preamp MOD
  74. MF A100 fans problem
  75. LT1166 bias IC
  76. yahama A-S1000 advice
  77. Crown XS700 Bias question - (schematics posted)
  78. zener base drive clamp
  79. Heatsink Question
  80. Advice on burned transistor replacement?
  81. Help on Source Follower output
  82. Need Schematic for PPI A1200.2
  83. JVC AX-Z911 right ch. broken, caps gone, voltage?
  84. My new design of differential buffer I/O board for fully balanced design
  85. Need a simple audio preamp schematic
  86. Help With ppi A1200.2
  87. LM1972 Audio Attenuator and XLR Balanced to Unbalanced
  88. Pioneer A400 - A familiar Problem?
  89. BGW 750 F/G manual or schematic
  90. Fake components?
  91. Want to convert Hafler to 220v
  92. Crown PS-400 power amp is oscillating on channel 2
  93. Marantz Model 250 Power Amp repair
  94. Crown 602 XLS Power Issue
  95. Ground Plane Prototyping
  96. Model 0147 DIY Kit from 47 labs.
  97. Best method for household FM xmitter
  98. How to diagnose an old receiver?
  99. NAD 218 THX with dead channel
  100. PIONEER A733
  101. How do you test your amp for stability / oscillation ?
  102. Selector switch for old B&K Pro5
  103. Need Software for Yamaha RX-Z9 Receiver
  104. Naim Nait circuit
  105. Advantage of multiple lower value capacitors in power supply
  106. SWTPC Tigersaurus 250W Amp Simulation
  107. A new bie's try on making discrete opamp
  108. Audiolab 8200CDQ
  109. Randall RH100 G2 preamp
  110. How to fix idle noise on 50 year old Bang and Olufsen
  111. ESP Project 03 Bias/Oscillation Problems
  112. 1/f noise in transistors
  113. Power supply for LM3915/LM3916 vu meter
  114. Distorted ouputs, need more assistance please
  115. Marshall 8100 Power Amp help
  116. Douglas Self adds more Wireless World articles
  117. MJL/W3281/1302 fakery ?
  118. testing amps with square waves
  119. Adding caps to commercial amp's switching power supply
  120. Is 15-0-15 supply A/C?
  121. output voltage/current
  122. Tekko Audio Labs releases its first complete amp module
  123. Help please with OpAmp circuit - Guitar Signal Phase Reverse
  124. Improvement for Bass
  125. Pete Millet 8903 s/w on Windows 7....
  126. opamp output - how to make its impedance higher?
  127. Stk 439 HMV Japan, Popping powerswitch
  128. DIY-GENE A700 Mark Levinson Clone
  129. Square Law Class A Amps
  130. Pre or Power amp volume?
  131. Driving 25V speakers
  132. Interesting Siemens monoblocks I happened upon...
  133. sap17
  134. Threshold S-150 II
  135. small solid state amplifier for high fidelity receiver needed
  136. SE Preamp With Moderate Current NFB
  137. Best Amplifier Sound
  138. Behringer A500 - Buzz at Full Volume
  139. Denon POA 2400 A Amplifier
  140. Help for Mac MC502
  141. Q-bass 100
  142. Arcam fmj a22 it go bang
  143. Hafler 9270 Troubleshooting Help
  144. ♫♪ My little cheap Circlophoneİ ♫♪
  145. Threshold Stasis 2 imput impedence
  146. QSC USA 900
  147. Cyrus 2 hum
  148. looking for Randall RH 100 G2 schematics
  149. MA-6100 Capacitor Questions
  150. Multiple thermal compensation transistors ?
  151. Doxa 70B , 70SE, signature!
  152. Replacements for workhorse transistors
  153. Using a Class D Amp at Home?
  154. Need Help Biasing a Trace Elliot AH250 MkIV
  155. need good heatshinks for high power amp ......
  156. Fixing an Adcom GFA-5500: -20db bass attenenuation on both channels
  157. BTL TDA7294
  158. amplifier using AN7161
  159. Marshall avt 150. TDA 7293 issues
  160. Input Cap Rotel RB981
  161. Paraprob hca-2003
  162. reed relay question
  163. Allison(ish) driver/bias stage for Mosfets
  164. Intermodulation Distortion Values below THD Values by SS Amps - is this possible ??
  165. NAD 3130
  166. Hafler DH220 quiescent current
  167. speaker relay type sony TA-N77ES
  168. Luxman rx-101 blown channel repair
  169. Pioneer sx 727 resto? Help!
  170. soundbarrier
  171. 2n3055 amp claims 200 to 220 watt
  172. What happened to the "digital amp revolution"?
  173. Harmon Kardon PM 665vxi
  174. Pushing SINGLE Pair of MJL4281A/4302A to the max limits at lower impedance
  175. Anyone built this power Diamond Buffer amp ?
  176. BGW 7000 Replacement Transistors
  177. yamaha ax 470 problem
  178. P3A vs LM4702 AMP's
  179. My new leach amp
  180. Working on an Allison biased class A ~25W
  181. Looking for a tech
  182. Peavey's DDT and DECA - looking for Informations
  183. Integrated No NFB Son of Follower
  184. Why a so high value for input cap?
  185. Adcom GFP 555 II Pre Amp Switch Problem
  186. stereo NPN amp
  187. DC blocker diode/cap orientation
  188. InterM M700/1000 Amp Board Needed
  189. Vbe problems ... I'm going nuts !!
  190. Which resistor do I measure to set bias?
  191. Input Decoupling Cap
  192. Ahuja Amplifier
  193. Velleman VPA 2200 MB
  194. DIY Amp for BAMTM
  195. Dukane 1A921B w/ OPT ... what to do with 'em?
  196. Help with diagnosis of Technics SU-V90D problem
  197. Power amp Problem
  198. Help with Onkyo M-501
  199. Capacitor gives shock during charging
  200. Carver TFM-55X Mag field PS regulator problem
  201. HELP - SONY XO-3 No Tuner output
  202. Balanced input buffer
  203. What was so special about the Krells with low impedance speakers
  204. Commercial Audio Brands: N-Ch/NPN only output devices in a push pull power follower
  205. Help designing double differential symmetrical amp
  206. Sony TA-F35 help
  207. Cello Encore pre amp voltage conversion
  208. Simple SS mono amp?
  209. good output transistors for amplifiers ?
  210. Powerunit capacitors for HPA nxV200/201
  211. Any Spice models for Lateral Fets ALF20N20 or ALF20P20??
  212. marantz model 250 power amp. Should I fix or make a gainclone out of it
  213. IMG STA-160 - trouble again...
  214. SPICE SIMULATION
  215. SC480 Amp Questions
  216. a volume control ....
  217. Mounting an amp vertically
  218. Looking for Behringer PMH800S schematic
  219. Sugden A88
  220. Very Simple Low and High Pass Pre-Amp Filters Help
  221. How to upgrade an EV 1144?
  222. Wiggling around the biaspoint
  223. Problem with Proton D1200: any ideas?
  224. Adcom GFA-555 Blew main fuse after turning on in bridged mode
  225. Finding the psrr of an amplifier
  226. MTX Thunder 250X Protect
  227. Looking for info on amplifier kit
  228. Leach amp: bias current
  229. Mtx 250x Help with an id on a part
  230. Bipolar-MOSFET amp conversion: seeking opinions
  231. CFP multiple output pairs.
  232. CE (common emitter) Amplifier help
  233. Little 10 watt stereo amp
  234. Opamp for Iem Amplifier
  235. I need IRFP4242
  236. 6DJ8 Shunt Regulated Push-Pull + Sziklai Diamond Power Buffer without Feedback
  237. Adcom GFA-555 Left Channel Buzz Help
  238. 2SC3182N = 2SC3182?
  239. Standard high voltage caps
  240. MF MA 50 Monoblocs - dealing with heat.
  241. Cambridge audio azur 640r Loud Hum.
  242. Curbside Kenwood
  243. VMX700 MK2 JBSYSTEMS
  244. Quasi output: different configurations
  245. Power Op_Amp
  246. Mosfet colour dot on package
  247. Transistor working temperature
  248. A few questions on this amp design...
  249. JAS - Just Another Sziklai
  250. Burning amp 2