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  1. Marantz pm-64 mk2 missing factory caps ?
  2. gfa-555 ii transistors
  3. Esound integrated amp
  4. Marantz PM-66SE KI - bin or repair?
  5. Invention for bias stability
  6. Hybrid Repeater in economy class A.
  7. Backwards WILSON current mirror?
  8. separate psu chassis for SS amp ?
  9. Linn Intek noisy channel
  10. Phase problem/question
  11. Yamaha CA-610II
  12. Threshold Cas-2
  13. my new amp b.m.c cs2
  14. overdriven OP
  15. Luxman L-450 Transistor Getting Hot
  16. Marantz pm-64 mk2
  17. Transrotary Input Selector anti oxidation Yamaha AX, Pioneer A series type
  18. Amplifier Frequency Turnover. When does it apply?!
  19. Amplifier Frequency Turnover. When does it apply?!
  20. preamp low volume and humming - Krell KRC-2
  21. polyester caps for power supply Any good?
  22. Experiencing a mysterious hum in a Parasound HCA-2200 II.
  23. Bridge Amplifier
  24. Improved OP
  25. NAD 3020 preamp channel broken
  26. Powered Subwoofer won't turn on...Please help!
  27. EXCELINEAR MKII
  28. Is it possible to bridge two subwoofer plate amps between circuit boards??
  29. mosfet question.
  30. Leak Delta 70
  31. Slightly abnormal question about a shaker
  32. I am a newbie and need help on the value of the potentiometer
  33. My CFA project
  34. SIT Transistors for audio ?
  35. rf problem
  36. Building amp small series...
  37. A stupid question about using capacitors to clean pre amp rails
  38. Speakers pop sounds (spikes) when fridge kicks in,Arcam Alpha 3
  39. Need help figuring out/finding a rotary switch
  40. Opto-controlled bias
  41. At what point is slew rate performance is inaudible?
  42. K176 + J50 pairing, any problems?
  43. Single-ended amplifier with balanced input on the lamp GM70
  44. Historic amps documented
  45. Luxman L-435 idle current
  46. Jeff Rowland Model 7 III help
  47. QUAD 405 (mod): DC clamp and ground schema
  48. Harman Kardon HK630 Amplifier Service Manual
  49. quad 303
  50. Technics SU-V470 out of balance
  51. NAIM NAIT 5 Mod Help
  52. Yamaha A-1000 Oscillates
  53. Suggest me a low-power Class A amp
  54. Sudden P28 Schematics
  55. db technologies Opera 405D
  56. amp to replace Crimson 40 watt modules
  57. help with Onkyo 7.1 repair
  58. US / EU - power
  59. Sanken fake transistors
  60. Help with Rotel voltage reconfiguration
  61. Linearising OPS
  62. CRT noise in amp
  63. Why do some designed specify braided cables?
  64. Attenuator before or after graphic? DSE A2760
  65. GAS Son of Ampzilla channel cut out
  66. Solid state amp w. magnetics
  67. NAD 2100 - single channel Hum Problem
  68. Yamaha Limitter
  69. Cap vs DC servo in global NFB tests
  70. Replacement for D01 6A4 rectifier diodes on Rega Mira
  71. Son's Docking Station Project?
  72. Limiter section
  73. NAD T955 Output Devices
  74. Hiraga class a 30 w amplifier
  75. McCormack DNA-0.5 schematics
  76. Change/Bypass High Pass Filter?
  77. Minimum rec. resistor wattage?
  78. Looking for a good quality preamp
  79. Bias current through class AB output pair
  80. How Much Amplifier Power Do i need?
  81. Crate PA-4 Distortion
  82. 120hz spikes at amp output, crappy layout or something else?
  83. bias on sansui au555
  84. Nakamichi RE-10
  85. Making a standby - quick question
  86. Amplifier circuits using BJT advice
  87. Dummy load for cooling fan?
  88. Help with McCormack DNA 0.5 protection circuit
  89. Hybrid single-ended output stage with a balanced input on the lamp 6S33S
  90. zetka zpe 500
  91. Benefits of a regulated power supply?
  92. Yamaha 100-b212
  93. WILS-CFP PROJECT
  94. RA-1412 problems
  95. Straightforward Class A - modest power
  96. MOSFET power supply switch with Isense
  97. Monster Class A (Genesis OPS)
  98. Quilted 120 hybrid amplifier Class A LAMP 6N6P
  99. class AB theory question
  100. Trick to search headphone amps by HI PSRR please?
  101. small/excellent amp recommendation for highs on active system
  102. Carver M500-T Amp - Power up the first 30 to 40 seconds no sound.
  103. Crest Audio LA601 Repair Help
  104. Op-amp input, class AB output. Loud thump sound
  105. Output stage transistor type
  106. SAE 2400L Repair Help Please
  107. Single-cycle symmetric (N - P - N channel + P - N - P channel) repeater plated input
  108. Denon DRA-835R Volume
  109. Bigun's TGM8 with Single Supply
  110. amplifier with 2sk170 input stage
  111. Arcam Alpha 10 Intergrated Output Transistors Location??
  112. Swapping germanium for silicon transistors?
  113. Substitute Transistors
  114. Debunker Strong X4 - 500 WRMS Hi-Fi Amp
  115. pioneer sa 1010 burning resistor
  116. Bypassing an op-amp Low Pass Filter
  117. Speaker protection
  118. Bad channel on TDA7492 amp.What to repair?
  119. driver module
  120. Tiger Pro 1800M amp schematic
  121. Current drive for Loudspeakers
  122. Distorted lamps
  123. Sansui AU-919 filter cap replacement options
  124. TPA3116 amp 50+50+100 wiring?
  125. Replace Sanken SAP16 with STD03
  126. schematics of Krell MDA300
  127. Buttons not performing the corect functions.
  128. Pottencially dead Crest Audio Vs1500
  129. NAD3020, no c422&c423?!
  130. James Sugden site
  131. McIntosh MC250 Capacitor replacement
  132. Cyrus Power power amp resurrection
  133. De-rating heatsink when enclosed?
  134. How Much RMS is Ekho RX2000 Power Amplifier ?
  135. Defectice Output Power Devices at Integr. Amps with Tone Control inside the NFB Loop
  136. mic preamp for recording interface
  137. BK ST-140 vs Conrad Johnson SA 250 Sonographe
  138. Suggestions for a balanced input class A amplifier
  139. Simulation of thermal compensation
  140. Luxman mk 2 combo
  141. Low volume channel
  142. Infinity RS IIA
  143. upgrade my 125 W power amp.
  144. What causes this kind of PCB exposure error?
  145. Carver PM-2.0T (PT-1250)
  146. Quad 520f Noise Problem
  147. Simple amp for loudspeaker tests
  148. Levinson ML-2 or No.23.5
  149. Crescendo Millenium problems
  150. Fully Regulated first stages
  151. Problem with AMPEG amp
  152. Suitable chassis
  153. Why so complex?
  154. Matching/pairing MOSFETs
  155. chip amps vs discrete power amps... does it matter?
  156. LM4702/ SAP15 board help needed
  157. Meistersinger VFA-200, A beginner’s first try in LTSpice
  158. Looking for replacement Arcam 10 components
  159. MARANTZ SC-80 HELP!
  160. Problem with 1977 Technics sa-5270 receiver
  161. Cambridge Azur 640A v1
  162. Channel switching with balanced inputs
  163. Best 50W subwoofer amplifier project?
  164. Hartke HA 4000 schematic request
  165. Tandberg Sølvsuper 75 - 14 HELP!
  166. ecdesign FET CIRCLOTRON ever tested
  167. Lite Audio M12 Power amp
  168. DC voltage on Output Speaker Arcam amplifier problem
  169. AF 124 germanium transistor pinout?
  170. Lab Gruppen amps IPD1200 and IPD2400
  171. Honey Badger vs ???
  172. citation 21 preamp - no right channel sound
  173. What is the Ft of a compound transistor
  174. amp kits from ebay
  175. Harman Kardon 330B
  176. Sugden A 48 Mark III
  177. want to build an Amp
  178. tape out line level modification??
  179. Upping the Watts
  180. figuring out Vo and Io of this op amp
  181. Power Switch
  182. Cap Tolerance - Recapping Audio Gear
  183. Blown up Warwick xtreme 10.1 Bass Amp
  184. Primare 30.5 amp issue on power on
  185. Pioneer a400 volume control
  186. 3-way active x-over - physical setup?
  187. Ideas to what might cause almost full supply voltage DC offset?
  188. yamaha rx-v2095 wont power on
  189. gm doubling
  190. SAE A202 stand-by LED does not work
  191. ALL BD's (139/140) power amplifier
  192. creek 4330 115V - 230V conversion
  193. Technics SU V40 repair
  194. Yamaha AX-1070 vs SONY TA-F770ES
  195. belles 150a ref v2
  196. Technics SU-Z25
  197. Denon PRA-1500 input selector problem fixed
  198. PA protect-need help how add thermo protect with NTC
  199. Parasound 2125 2 channel power amp problem Update!
  200. How do I determine total op amp current?
  201. Flat screen tv
  202. Capacitor help - Quad 303
  203. two amp in hafler's sound system?
  204. Adcom GFA-555 II issue...
  205. Harman Kardon A-401 Treble Hissing Problem
  206. Something fancy!
  207. Adding Pre out Denon PMA-1080R
  208. ARCAM Bi-Amping tripping relay
  209. Speaker damping when amp biased off
  210. How to optimize this CFA?
  211. Nakamichi TA-2A Repair Advice
  212. SNR from noise density
  213. line level btwn PC headphone and integrated amp AUX input.
  214. Help connection for Phase Measurement
  215. custom meter face software for mac
  216. Sansui 5000A Buzzzzz
  217. Technics SA-410 Relay
  218. Discrete components based amp vs Chip amps, which is easier to achieve for n00bs ?
  219. Help for newbie with dead Nad 3130 please
  220. input capacitors, frequency response
  221. Amplifier kit recommendations.
  222. TO 3 failure on vibration
  223. amplifier input modification
  224. What's the magic of 2N5551 / 2N5401?
  225. Jim Roberge
  226. One channel periodically quieter until large signal, then it recovers...
  227. servo and distortion
  228. tda 2030 + power transistors
  229. Alesis RA150 burns power resistor
  230. electrostatic SHIELD
  231. Transistor
  232. Amp help Hitachi HMA-8300 Series E
  233. Can I make it better?
  234. Kenwood soverign vr-5700 expertise needed
  235. Crown DC300A Repair/Restore
  236. Distortion in low resistance wirewound resistors
  237. Selecting PSU caps
  238. Feedback, differential? the next advance.
  239. Naim Statement
  240. Regarding terminal blocks
  241. Looking for Cello Performance schematics
  242. Faulty Sansui AU101 speaker switch
  243. Do you like Gain-One Amplifier?
  244. Can't find a replacement LED for my Preamp: any ideas Please?
  245. Capacitor replacement - Sherwood
  246. Need schematic for 40W Amplifier with good sound quality that works on +-36V DC Max
  247. Quad 303 PSU caps mounting
  248. Input selector knob not working (Kenwood KR-5030)
  249. Sansui BA2000 Weak Signal Dropout
  250. Kenwood KM 105 does not click safety relay

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