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

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