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  1. Yamaha RX-V390 - Circuit Protection
  2. arcam alpha 10
  3. autobias via temperature and LUT
  4. RAISERAMP - a special transformer based
  5. Speaker relays
  6. 4 stage amplifier instabilities
  7. 2SB654 = MJ2955? N0!
  8. Marantz pm-64 mk2 missing factory caps ?
  9. Marshall 8100 buzz
  10. gfa-555 ii transistors
  11. Esound integrated amp
  12. Marantz PM-66SE KI - bin or repair?
  13. Invention for bias stability
  14. Hybrid Repeater in economy class A.
  15. Backwards WILSON current mirror?
  16. separate psu chassis for SS amp ?
  17. Linn Intek noisy channel
  18. Phase problem/question
  19. Yamaha CA-610II
  20. Threshold Cas-2
  21. my new amp b.m.c cs2
  22. overdriven OP
  23. Luxman L-450 Transistor Getting Hot
  24. Marantz pm-64 mk2
  25. Transrotary Input Selector anti oxidation Yamaha AX, Pioneer A series type
  26. Amplifier Frequency Turnover. When does it apply?!
  27. Amplifier Frequency Turnover. When does it apply?!
  28. preamp low volume and humming - Krell KRC-2
  29. polyester caps for power supply Any good?
  30. Experiencing a mysterious hum in a Parasound HCA-2200 II.
  31. Bridge Amplifier
  32. Improved OP
  33. NAD 3020 preamp channel broken
  34. Powered Subwoofer won't turn on...Please help!
  35. EXCELINEAR MKII
  36. Is it possible to bridge two subwoofer plate amps between circuit boards??
  37. Behringer EP2500 Repair
  38. mosfet question.
  39. Leak Delta 70
  40. Slightly abnormal question about a shaker
  41. I am a newbie and need help on the value of the potentiometer
  42. My CFA project
  43. SIT Transistors for audio ?
  44. rf problem
  45. Building amp small series...
  46. A stupid question about using capacitors to clean pre amp rails
  47. Speakers pop sounds (spikes) when fridge kicks in,Arcam Alpha 3
  48. Need help figuring out/finding a rotary switch
  49. Opto-controlled bias
  50. At what point is slew rate performance is inaudible?
  51. K176 + J50 pairing, any problems?
  52. Single-ended amplifier with balanced input on the lamp GM70
  53. Historic amps documented
  54. Luxman L-435 idle current
  55. Jeff Rowland Model 7 III help
  56. QUAD 405 (mod): DC clamp and ground schema
  57. Harman Kardon HK630 Amplifier Service Manual
  58. quad 303
  59. Technics SU-V470 out of balance
  60. NAIM NAIT 5 Mod Help
  61. Yamaha A-1000 Oscillates
  62. Suggest me a low-power Class A amp
  63. Sudden P28 Schematics
  64. db technologies Opera 405D
  65. amp to replace Crimson 40 watt modules
  66. help with Onkyo 7.1 repair
  67. US / EU - power
  68. Sanken fake transistors
  69. Help with Rotel voltage reconfiguration
  70. Linearising OPS
  71. CRT noise in amp
  72. Why do some designed specify braided cables?
  73. Attenuator before or after graphic? DSE A2760
  74. GAS Son of Ampzilla channel cut out
  75. Solid state amp w. magnetics
  76. NAD 2100 - single channel Hum Problem
  77. Yamaha Limitter
  78. Cap vs DC servo in global NFB tests
  79. Replacement for D01 6A4 rectifier diodes on Rega Mira
  80. Son's Docking Station Project?
  81. Limiter section
  82. NAD T955 Output Devices
  83. Hiraga class a 30 w amplifier
  84. McCormack DNA-0.5 schematics
  85. Change/Bypass High Pass Filter?
  86. Minimum rec. resistor wattage?
  87. Looking for a good quality preamp
  88. Bias current through class AB output pair
  89. How Much Amplifier Power Do i need?
  90. Crate PA-4 Distortion
  91. 120hz spikes at amp output, crappy layout or something else?
  92. bias on sansui au555
  93. Nakamichi RE-10
  94. Making a standby - quick question
  95. Amplifier circuits using BJT advice
  96. 1000 Watt Hifonics Amp
  97. Dummy load for cooling fan?
  98. Help with McCormack DNA 0.5 protection circuit
  99. DIY Class A BJT Guitar Preamp problems
  100. Hybrid single-ended output stage with a balanced input on the lamp 6S33S
  101. zetka zpe 500
  102. Benefits of a regulated power supply?
  103. Yamaha 100-b212
  104. WILS-CFP PROJECT
  105. RA-1412 problems
  106. Straightforward Class A - modest power
  107. MOSFET power supply switch with Isense
  108. Monster Class A (Genesis OPS)
  109. Quilted 120 hybrid amplifier Class A LAMP 6N6P
  110. class AB theory question
  111. Trick to search headphone amps by HI PSRR please?
  112. small/excellent amp recommendation for highs on active system
  113. Carver M500-T Amp - Power up the first 30 to 40 seconds no sound.
  114. Crest Audio LA601 Repair Help
  115. Op-amp input, class AB output. Loud thump sound
  116. Output stage transistor type
  117. SAE 2400L Repair Help Please
  118. Single-cycle symmetric (N - P - N channel + P - N - P channel) repeater plated input
  119. Denon DRA-835R Volume
  120. Bigun's TGM8 with Single Supply
  121. amplifier with 2sk170 input stage
  122. Arcam Alpha 10 Intergrated Output Transistors Location??
  123. Swapping germanium for silicon transistors?
  124. Substitute Transistors
  125. Debunker Strong X4 - 500 WRMS Hi-Fi Amp
  126. pioneer sa 1010 burning resistor
  127. Roland SPA-240
  128. Bypassing an op-amp Low Pass Filter
  129. Speaker protection
  130. Bad channel on TDA7492 amp.What to repair?
  131. driver module
  132. Tiger Pro 1800M amp schematic
  133. Current drive for Loudspeakers
  134. Distorted lamps
  135. Sansui AU-919 filter cap replacement options
  136. TPA3116 amp 50+50+100 wiring?
  137. Replace Sanken SAP16 with STD03
  138. schematics of Krell MDA300
  139. Buttons not performing the corect functions.
  140. Pottencially dead Crest Audio Vs1500
  141. NAD3020, no c422&c423?!
  142. James Sugden site
  143. McIntosh MC250 Capacitor replacement
  144. Cyrus Power power amp resurrection
  145. De-rating heatsink when enclosed?
  146. How Much RMS is Ekho RX2000 Power Amplifier ?
  147. Defectice Output Power Devices at Integr. Amps with Tone Control inside the NFB Loop
  148. mic preamp for recording interface
  149. BK ST-140 vs Conrad Johnson SA 250 Sonographe
  150. Suggestions for a balanced input class A amplifier
  151. Simulation of thermal compensation
  152. Luxman mk 2 combo
  153. Low volume channel
  154. Infinity RS IIA
  155. upgrade my 125 W power amp.
  156. What causes this kind of PCB exposure error?
  157. Carver PM-2.0T (PT-1250)
  158. Quad 520f Noise Problem
  159. Simple amp for loudspeaker tests
  160. Levinson ML-2 or No.23.5
  161. Crescendo Millenium problems
  162. Fully Regulated first stages
  163. Problem with AMPEG amp
  164. Suitable chassis
  165. Why so complex?
  166. Matching/pairing MOSFETs
  167. chip amps vs discrete power amps... does it matter?
  168. LM4702/ SAP15 board help needed
  169. Meistersinger VFA-200, A beginner’s first try in LTSpice
  170. Looking for replacement Arcam 10 components
  171. MARANTZ SC-80 HELP!
  172. Problem with 1977 Technics sa-5270 receiver
  173. Cambridge Azur 640A v1
  174. Channel switching with balanced inputs
  175. Best 50W subwoofer amplifier project?
  176. Hartke HA 4000 schematic request
  177. Tandberg Sølvsuper 75 - 14 HELP!
  178. ecdesign FET CIRCLOTRON ever tested
  179. Lite Audio M12 Power amp
  180. DC voltage on Output Speaker Arcam amplifier problem
  181. AF 124 germanium transistor pinout?
  182. Lab Gruppen amps IPD1200 and IPD2400
  183. Honey Badger vs ???
  184. citation 21 preamp - no right channel sound
  185. What is the Ft of a compound transistor
  186. amp kits from ebay
  187. Peavey Backstage 50
  188. Harman Kardon 330B
  189. Sugden A 48 Mark III
  190. want to build an Amp
  191. tape out line level modification??
  192. Upping the Watts
  193. figuring out Vo and Io of this op amp
  194. Power Switch
  195. Cap Tolerance - Recapping Audio Gear
  196. Blown up Warwick xtreme 10.1 Bass Amp
  197. Primare 30.5 amp issue on power on
  198. Pioneer a400 volume control
  199. 3-way active x-over - physical setup?
  200. Ideas to what might cause almost full supply voltage DC offset?
  201. yamaha rx-v2095 wont power on
  202. gm doubling
  203. SAE A202 stand-by LED does not work
  204. ALL BD's (139/140) power amplifier
  205. creek 4330 115V - 230V conversion
  206. Technics SU V40 repair
  207. Yamaha AX-1070 vs SONY TA-F770ES
  208. belles 150a ref v2
  209. Technics SU-Z25
  210. Denon PRA-1500 input selector problem fixed
  211. PA protect-need help how add thermo protect with NTC
  212. Parasound 2125 2 channel power amp problem Update!
  213. How do I determine total op amp current?
  214. Flat screen tv
  215. Capacitor help - Quad 303
  216. two amp in hafler's sound system?
  217. Adcom GFA-555 II issue...
  218. Harman Kardon A-401 Treble Hissing Problem
  219. Something fancy!
  220. Adding Pre out Denon PMA-1080R
  221. ARCAM Bi-Amping tripping relay
  222. Speaker damping when amp biased off
  223. How to optimize this CFA?
  224. Nakamichi TA-2A Repair Advice
  225. SNR from noise density
  226. line level btwn PC headphone and integrated amp AUX input.
  227. Help connection for Phase Measurement
  228. custom meter face software for mac
  229. Sansui 5000A Buzzzzz
  230. Technics SA-410 Relay
  231. Discrete components based amp vs Chip amps, which is easier to achieve for n00bs ?
  232. Help for newbie with dead Nad 3130 please
  233. input capacitors, frequency response
  234. Amplifier kit recommendations.
  235. TO 3 failure on vibration
  236. amplifier input modification
  237. What's the magic of 2N5551 / 2N5401?
  238. Jim Roberge
  239. One channel periodically quieter until large signal, then it recovers...
  240. servo and distortion
  241. tda 2030 + power transistors
  242. Alesis RA150 burns power resistor
  243. electrostatic SHIELD
  244. Transistor
  245. Amp help Hitachi HMA-8300 Series E
  246. Can I make it better?
  247. Kenwood soverign vr-5700 expertise needed
  248. Crown DC300A Repair/Restore
  249. Distortion in low resistance wirewound resistors
  250. Selecting PSU caps

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