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  1. Amplifier DC protection
  2. Help! I've got an excess gain problem!
  3. re-capping my amp?
  4. Chimney cooling
  5. Wharfedale 2050a hum through speakers.
  6. AV-7000 amp, sub pre-out work from digital in???
  7. Sugden p128
  8. Hitachi stereo amplifier HA-250
  9. Pioneer SA-408, output distortion
  10. Best VAS?
  11. Sherwood ES-5030R schematics needed..
  12. Power amps with very good control of the loudspeaker !
  13. Sony TA-N511 or /611
  14. Humming and crackling sound
  15. mkt capacitor vs mylar capacitor
  16. ALPS Potentiometer with 4 Terminals
  17. CAN anyone share this ISSUE
  18. need recommendation for power amp
  19. New 2SC5200 and 2SA1943 SPICE models
  20. Final output stage amp marshall
  21. Wanted: 2.1 amplifier with op amp crossover
  22. Rega Mira, circa year 2000, HELP!!!!
  23. Has anyone seen this front-end before?
  24. Is my NAD C300 dead?
  25. Hafler XL-280 Gain Setting
  26. Marsh MSD-A400S power Amplifier
  27. Help with an active (OP amp) filter design?
  28. oscillating 2sk1058
  29. Amplifier pwr down "thump" issue
  30. Independant Inductive DC Filtering.
  31. Is Rb at power transistor needed??
  32. Vintage Belles 400 - any info?
  33. Pioneer VSX-521 preamp out amp in
  34. Where to Buy nice looking monoblock chassis?
  35. capacitor advice
  36. Alba 1500
  37. IC case styles
  38. NAD 7225PE
  39. multichannel power amp- level control setup
  40. PSAudio 4.6 schematic
  41. Wharfedale EVP-X15PM Power supply fault
  42. Amplifier Dummy Load Nichrome Wire
  43. PS cap for Electrocompaniet Otala 25W amplifier
  44. volume control
  45. Yamaha RX-V665 HDMI board Repair?
  46. Audio Technician
  47. pcb electro plating
  48. OPamp 4558 replacement
  49. Lateral MOSFET power supply and RMS output power.
  50. Cheapest pre/pro or reciever with preouts with HDMI?
  51. Warwick Sweet25.1 Power Stage repair
  52. Reccomended consumer direct coupled amplifier?
  53. amplifier rebuild - power supply single or dual
  54. JC2012Doomday - The High Efficiency Version of JLH1969 Class-A
  55. Amplifier problem, 1.5A Bias current ?!
  56. DC offset
  57. Question about Vceo
  58. marantz pm66se no lights
  59. Help with amp to speaker power.
  60. MOSFET mode confusion (depletion vs enhancement)
  61. My home amplifier
  62. Dr. Fong FA-800 amp
  63. Mark Levinson 27.5 strange failure with....
  64. Old transistor amp design - opinions please!
  65. Choice of power amp project
  66. Denon PMA-757 - Can it be fixed?
  67. 2SC5200 2SC1943 Replace with 2SA1216 & 2SC2922
  68. Help!! Amp gets too hot!!
  69. Rotel 840BX Bias Adjustment
  70. Speaker Amp
  71. ACCUPHASE P260 -need service manual & infos
  72. Emitter resistor at output stage transistor.
  73. Nikko HB-18005 (inside a STA-1101)
  74. Amplifier wiring (hook up)
  75. My Old Hybrid!
  76. too much BASS
  77. Enclosed amplifier recommendations
  78. Adcom gfa 565 problem
  79. Service Manual for denon pma-980r
  80. Sansui G-5000 problem
  81. Help identifying a kit
  82. Amp blowns fuses
  83. Soft clipper improves bass response
  84. 'New' Power amp introduces hum - help?
  85. MC2200 idle current
  86. Building my first DIY amp, P3A, and have a frustrating problem
  87. Electrocompaniet AW2 dc offset
  88. Example of calculation of dynamic stabilization of current Io
  89. arcam alpha 5 amplifier right channel
  90. New Doug Self pre-amp design...
  91. DAC's TONE PRINT CORRECTION
  92. Nak 420
  93. Where is the original DX Blame ST thread?
  94. Spare bits preamp
  95. From Orange to Blue
  96. Marantz 3300 phono
  97. Building my first home theater
  98. altec 1590E input questions
  99. Question about repairing a Harman/Kardon AVR7000
  100. My Vintage Pioneer System (pics)
  101. converting pbk640
  102. an inverting amplifier
  103. Tumos
  104. how do i orientate this transistor?
  105. How to plot open-loop gain for single-transistor-input feedback amplifier?
  106. biased jfet input stage
  107. PS AUDIO P300/ SONY DVP-S7000 Mods
  108. LOGITECH Z 560 Problem!
  109. Biasing this symmetrical Class B Amplifier
  110. Hafler P3000 Repair and Modification
  111. Onkyo A-RV401
  112. H/D amp kit
  113. Replacement transistors BC141 and BC161
  114. Cyrus Pre Xvs and X Power Mods
  115. L12 120w amplifier kit on eBay....anyone familiar with it?
  116. cyrus III turn on thump
  117. Humming due to common ground
  118. hello from cancun
  119. Crown XLS1500 power supply
  120. Power consumption
  121. Measuring output power
  122. Bridging Nad 2100 and 3300
  123. editing old Kenwood amp-board
  124. Denon AVR 4800 problems
  125. Leco modules on bridge mode, 8 and 4 ohms.
  126. Cave sound "mode" comes and goes with Pioneer VSX-820
  127. Denon PMA-700AE makes popping sounds
  128. is this idea worth looking at ?
  129. Hybrid DIY cct of LM3886+6N11
  130. filter capacitor issue
  131. Parasound 2200 MKI
  132. Speaker power rating vs amplifier rating
  133. Simple subwoofer buffer/summer circuit
  134. HH V800 and Harrison P900 biasing setup
  135. Nad 214
  136. Channel 3 not working but works when bridged
  137. LME49811 + 2SK1058/2SJ162
  138. NAD 3020 117V to 220V
  139. Is the EXAR XR-084 quad bi-fet opamp any good?
  140. Another of Ken's bizarre circuits
  141. Pros and Cons of current feedback amplifier.
  142. Need Help with NAD 208 THX
  143. DENON POA-6600A
  144. Standard/Generic pre-amplifier or line-out output stage
  145. Amplifier digital input select problems
  146. Help with an external PSU for my Musical Fidelity X LPS
  147. kenwood ka4520
  148. Randy Slone Zus Audio Totem-Pole Build needs 12V trigger
  149. Triple compound output amp stability
  150. Help me with my SAND-O-PHOBIA!!!
  151. Simulating the M1 Lateral FET amp in LTspice
  152. on/off
  153. A&R A60 SOA Removal
  154. Optonica SM-1515 Meter Lamps
  155. pionner GM4200 problem
  156. Vintage Pioneer amp parts wanted ?
  157. Amplifier matching
  158. Arcam alpha 5 amp mods
  159. Repairing a Kenwood KA-7300
  160. Line 6 amp
  161. Inexpensive Adjustable DC Power Supply (Up to 100VDC)
  162. Testing Darlington Pairs...
  163. Quality MOSFET Guitar amplifier with IRFP240/IRFP9240
  164. Anybody know Exicon 10N20/10P20?
  165. Death of Zen 15 watt Power Amplifier
  166. TA-200W replacement (Kenwood KR-9600)
  167. Need to identify unknow parts in a IC schematic
  168. ADCOM 585 Replacement Parts...PLEASE HELP!!!
  169. Burning amp 2012 volunteers needed for SYMEF
  170. Cross talk and better caps / should I sell this ?
  171. How to assess compatibility with speakers?
  172. Vintage: Everyone is just replacing capacitors, what about other components ?
  173. capacitors
  174. What is the proper name for an output transistor's output-coupling resistor?
  175. When companies state watts, is it rms or peak?
  176. Simple Class A amplifier
  177. TL072A or OPA2134 in Remote Volume Control
  178. Sansui AU-717 needs repair - advice needed.
  179. Survey of color wire used for projects including speaker etc.
  180. Oscillations or Improved SQ? A Class A Bias Question
  181. a simple test for better source
  182. Noise of LTP input? Help!
  183. Health etc. relating to weird plasticy smell on vintage amp
  184. Dual Power supply for my pre-amp
  185. Gryphon Tabu schematic or service manual needed
  186. schematic Yamaha M-55 ??
  187. Pre amp for recording drums
  188. Class B auto bias
  189. Hafler DH 101 last ditch effort
  190. Need help with Mission cyrus III
  191. Amplifier getting hot on one channel only
  192. Luxman C-1000
  193. yamaha B-1 VS B-2 ? Can anyone describe ?
  194. Hafler DH-200 problems...
  195. LME48910 biasing...
  196. Yet another amplifier
  197. Big Sky Audio GFA555ii
  198. Soundstream Picaso - Bias and mods question
  199. HAL OPB amplifier
  200. JVC VN-700 with 250 mV DC offset on output
  201. Marantz PM66SE KI - Schematic Required
  202. Understanding Amp rating numbers.....
  203. Gain Formula for Opamp Circuit
  204. Any way to cool a Hafler DH 200 (modified)
  205. Harman Kardon HK775 mono
  206. My First Super Simple Class AB Amplifier
  207. Recase?
  208. Solid State poweramp Bias.
  209. Adjusting Bias on solid state poweramp.
  210. Alps potentiometer channel differential.
  211. Question about volume
  212. Musical Fidelity A100 Help Needed
  213. Depletion MOSFET as gain device (not CCS) ?
  214. Sugden Masterclass IA-4 schematic needed
  215. Amplifier oscillation problem
  216. Help with reconditioned MF A100
  217. Rotel RA-812 distortion on speaker output. Any ideas?
  218. Phonic P8A schematic
  219. PCB eyelet copper trace.
  220. question about these 2 amps
  221. dual voltage regulator, antibump and dc protection board
  222. My JLH 1996 EVO....output transistors questions....
  223. most linear MOSFET 250-500V range
  224. mpq7091
  225. TRUE ESOTERIC AMPLIFIER
  226. Rotel RB850 PS Capacitor query
  227. Help needed in running LTSPice FFT simulation on the M1 Lateral FET amp
  228. yamaha M80 hissing at me
  229. High Speed BIAS from Pioneer
  230. alpine t500 help plz
  231. Amplifier with no load??
  232. Please help with Thule Audio PA250B mkII amplifier
  233. BMW Upgrades... Comments are welcome....
  234. Exposure XXV noise problem
  235. Pioneer VSA-701S
  236. Powered up amplifier without one of the psu rails connected - now distorted channel
  237. university sound a300/1 wired for stereo?
  238. Need help with transistors for JVC VN-700
  239. Humming, beeing in LM1036 Pre-amp I built
  240. idling adjustment not possible
  241. With painted a circuit, STI(2SK182E) pipe of the SRPP circuit, is feasible?
  242. I Want to Build a Guitar Preamplifier
  243. Need help with power amp in Marantz 2240
  244. Guitar amp to Karaoke system.
  245. 3 choices to power TB 1808 FR
  246. mr. babin need ur help kicker zr repair
  247. Actual meaning of: SN ratio (short-circuit, A network)
  248. Class A power calculations
  249. toasted crimson electrik
  250. My Headphone amp series resistor on output

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