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  1. Yamaha rx-v373 making me pull my hair out!
  2. Servicing an amp: fuses, regulators, emitter resistors
  3. Pro Amplifier hum
  4. Pioneer Power Amplifier GM-6300T, No Output
  5. Storage of a vintage receiver
  6. project idea. custom amp board in old receiver
  7. Strange problems with transistors
  8. Newbie working with a IRS2092
  9. Ampzilla 2000
  10. Simple repair for a subwoofer amplifier? (ASW3000)
  11. Speaker Impedance - Class A Current
  12. 2SK216/2SJ79 Spice models for Multisim?
  13. News. Three-band repeater with a crossover in the economy class A.
  14. Commercial Solid State Amps with jumper controlled Modes "without NFB" and "with NFB"
  15. Yamaha CA 510
  16. KSA-250 changing mains voltage
  17. "Vintage" Rotel RX-875 Troubleshooting
  18. Luxman L100 muting circuit
  19. Replacement remote for HK6350R
  20. SS amplifier kit equivalent to Dynaco ST70?
  21. Amplifier Problems
  22. Thermal switch?
  23. bad clipping
  24. OPA2604: Worthwhile using better regs than LM317/337?
  25. B&K cs-115 preamp help
  26. Kenwood Model Eleven GX Bulb Replacement
  27. Hiraga woodfront.
  28. Strap a Cap
  29. Which amplifier kit to build
  30. Encapsulated insulated hex freds
  31. need help finding a replacement for a JRC 074D quade fet op amp
  32. Yamaha RX-V390 - Circuit Protection
  33. arcam alpha 10
  34. autobias via temperature and LUT
  35. RAISERAMP - a special transformer based
  36. Speaker relays
  37. 4 stage amplifier instabilities
  38. 2SB654 = MJ2955? N0!
  39. Marantz pm-64 mk2 missing factory caps ?
  40. gfa-555 ii transistors
  41. Esound integrated amp
  42. Marantz PM-66SE KI - bin or repair?
  43. Invention for bias stability
  44. Hybrid Repeater in economy class A.
  45. Backwards WILSON current mirror?
  46. separate psu chassis for SS amp ?
  47. Linn Intek noisy channel
  48. Phase problem/question
  49. Yamaha CA-610II
  50. Threshold Cas-2
  51. my new amp b.m.c cs2
  52. overdriven OP
  53. Luxman L-450 Transistor Getting Hot
  54. Marantz pm-64 mk2
  55. Transrotary Input Selector anti oxidation Yamaha AX, Pioneer A series type
  56. Amplifier Frequency Turnover. When does it apply?!
  57. Amplifier Frequency Turnover. When does it apply?!
  58. preamp low volume and humming - Krell KRC-2
  59. polyester caps for power supply Any good?
  60. Experiencing a mysterious hum in a Parasound HCA-2200 II.
  61. Bridge Amplifier
  62. Improved OP
  63. NAD 3020 preamp channel broken
  64. Powered Subwoofer won't turn on...Please help!
  65. EXCELINEAR MKII
  66. Is it possible to bridge two subwoofer plate amps between circuit boards??
  67. mosfet question.
  68. Leak Delta 70
  69. Slightly abnormal question about a shaker
  70. I am a newbie and need help on the value of the potentiometer
  71. My CFA project
  72. SIT Transistors for audio ?
  73. rf problem
  74. Building amp small series...
  75. A stupid question about using capacitors to clean pre amp rails
  76. Speakers pop sounds (spikes) when fridge kicks in,Arcam Alpha 3
  77. Need help figuring out/finding a rotary switch
  78. Opto-controlled bias
  79. At what point is slew rate performance is inaudible?
  80. K176 + J50 pairing, any problems?
  81. Single-ended amplifier with balanced input on the lamp GM70
  82. Historic amps documented
  83. Luxman L-435 idle current
  84. Jeff Rowland Model 7 III help
  85. QUAD 405 (mod): DC clamp and ground schema
  86. Harman Kardon HK630 Amplifier Service Manual
  87. quad 303
  88. Technics SU-V470 out of balance
  89. NAIM NAIT 5 Mod Help
  90. Yamaha A-1000 Oscillates
  91. Suggest me a low-power Class A amp
  92. Sudden P28 Schematics
  93. db technologies Opera 405D
  94. amp to replace Crimson 40 watt modules
  95. help with Onkyo 7.1 repair
  96. US / EU - power
  97. Sanken fake transistors
  98. Help with Rotel voltage reconfiguration
  99. Linearising OPS
  100. CRT noise in amp
  101. Why do some designed specify braided cables?
  102. Attenuator before or after graphic? DSE A2760
  103. GAS Son of Ampzilla channel cut out
  104. Solid state amp w. magnetics
  105. NAD 2100 - single channel Hum Problem
  106. Yamaha Limitter
  107. Cap vs DC servo in global NFB tests
  108. Replacement for D01 6A4 rectifier diodes on Rega Mira
  109. Son's Docking Station Project?
  110. Limiter section
  111. NAD T955 Output Devices
  112. Hiraga class a 30 w amplifier
  113. McCormack DNA-0.5 schematics
  114. Change/Bypass High Pass Filter?
  115. Minimum rec. resistor wattage?
  116. Looking for a good quality preamp
  117. Bias current through class AB output pair
  118. How Much Amplifier Power Do i need?
  119. Crate PA-4 Distortion
  120. 120hz spikes at amp output, crappy layout or something else?
  121. bias on sansui au555
  122. Nakamichi RE-10
  123. Making a standby - quick question
  124. Amplifier circuits using BJT advice
  125. Dummy load for cooling fan?
  126. Help with McCormack DNA 0.5 protection circuit
  127. Hybrid single-ended output stage with a balanced input on the lamp 6S33S
  128. zetka zpe 500
  129. Benefits of a regulated power supply?
  130. Yamaha 100-b212
  131. WILS-CFP PROJECT
  132. RA-1412 problems
  133. Straightforward Class A - modest power
  134. MOSFET power supply switch with Isense
  135. Monster Class A (Genesis OPS)
  136. Quilted 120 hybrid amplifier Class A LAMP 6N6P
  137. class AB theory question
  138. Trick to search headphone amps by HI PSRR please?
  139. small/excellent amp recommendation for highs on active system
  140. Carver M500-T Amp - Power up the first 30 to 40 seconds no sound.
  141. Crest Audio LA601 Repair Help
  142. Op-amp input, class AB output. Loud thump sound
  143. Output stage transistor type
  144. SAE 2400L Repair Help Please
  145. Single-cycle symmetric (N - P - N channel + P - N - P channel) repeater plated input
  146. Denon DRA-835R Volume
  147. Bigun's TGM8 with Single Supply
  148. amplifier with 2sk170 input stage
  149. Arcam Alpha 10 Intergrated Output Transistors Location??
  150. Swapping germanium for silicon transistors?
  151. Substitute Transistors
  152. Debunker Strong X4 - 500 WRMS Hi-Fi Amp
  153. pioneer sa 1010 burning resistor
  154. Bypassing an op-amp Low Pass Filter
  155. Speaker protection
  156. Bad channel on TDA7492 amp.What to repair?
  157. driver module
  158. Tiger Pro 1800M amp schematic
  159. Current drive for Loudspeakers
  160. Distorted lamps
  161. Sansui AU-919 filter cap replacement options
  162. TPA3116 amp 50+50+100 wiring?
  163. Replace Sanken SAP16 with STD03
  164. schematics of Krell MDA300
  165. Buttons not performing the corect functions.
  166. Pottencially dead Crest Audio Vs1500
  167. NAD3020, no c422&c423?!
  168. James Sugden site
  169. McIntosh MC250 Capacitor replacement
  170. Cyrus Power power amp resurrection
  171. De-rating heatsink when enclosed?
  172. How Much RMS is Ekho RX2000 Power Amplifier ?
  173. Defectice Output Power Devices at Integr. Amps with Tone Control inside the NFB Loop
  174. mic preamp for recording interface
  175. BK ST-140 vs Conrad Johnson SA 250 Sonographe
  176. Suggestions for a balanced input class A amplifier
  177. Simulation of thermal compensation
  178. Luxman mk 2 combo
  179. Low volume channel
  180. Infinity RS IIA
  181. upgrade my 125 W power amp.
  182. What causes this kind of PCB exposure error?
  183. Carver PM-2.0T (PT-1250)
  184. Quad 520f Noise Problem
  185. Simple amp for loudspeaker tests
  186. Levinson ML-2 or No.23.5
  187. Crescendo Millenium problems
  188. Fully Regulated first stages
  189. Problem with AMPEG amp
  190. Suitable chassis
  191. Why so complex?
  192. Matching/pairing MOSFETs
  193. chip amps vs discrete power amps... does it matter?
  194. LM4702/ SAP15 board help needed
  195. Meistersinger VFA-200, A beginner’s first try in LTSpice
  196. Looking for replacement Arcam 10 components
  197. MARANTZ SC-80 HELP!
  198. Problem with 1977 Technics sa-5270 receiver
  199. Cambridge Azur 640A v1
  200. Channel switching with balanced inputs
  201. Best 50W subwoofer amplifier project?
  202. Hartke HA 4000 schematic request
  203. Tandberg Sølvsuper 75 - 14 HELP!
  204. ecdesign FET CIRCLOTRON ever tested
  205. Lite Audio M12 Power amp
  206. DC voltage on Output Speaker Arcam amplifier problem
  207. AF 124 germanium transistor pinout?
  208. Lab Gruppen amps IPD1200 and IPD2400
  209. Honey Badger vs ???
  210. citation 21 preamp - no right channel sound
  211. What is the Ft of a compound transistor
  212. amp kits from ebay
  213. Harman Kardon 330B
  214. Sugden A 48 Mark III
  215. want to build an Amp
  216. tape out line level modification??
  217. Upping the Watts
  218. figuring out Vo and Io of this op amp
  219. Power Switch
  220. Cap Tolerance - Recapping Audio Gear
  221. Blown up Warwick xtreme 10.1 Bass Amp
  222. Primare 30.5 amp issue on power on
  223. Pioneer a400 volume control
  224. 3-way active x-over - physical setup?
  225. Ideas to what might cause almost full supply voltage DC offset?
  226. yamaha rx-v2095 wont power on
  227. gm doubling
  228. SAE A202 stand-by LED does not work
  229. ALL BD's (139/140) power amplifier
  230. creek 4330 115V - 230V conversion
  231. Technics SU V40 repair
  232. Yamaha AX-1070 vs SONY TA-F770ES
  233. belles 150a ref v2
  234. Technics SU-Z25
  235. Denon PRA-1500 input selector problem fixed
  236. PA protect-need help how add thermo protect with NTC
  237. Parasound 2125 2 channel power amp problem Update!
  238. How do I determine total op amp current?
  239. Flat screen tv
  240. Capacitor help - Quad 303
  241. two amp in hafler's sound system?
  242. Adcom GFA-555 II issue...
  243. Harman Kardon A-401 Treble Hissing Problem
  244. Something fancy!
  245. Adding Pre out Denon PMA-1080R
  246. ARCAM Bi-Amping tripping relay
  247. Speaker damping when amp biased off
  248. How to optimize this CFA?
  249. Nakamichi TA-2A Repair Advice
  250. SNR from noise density

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