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  1. Pioneer SA-610 - bypass the Pre-amp stage?
  2. Upgrading Transistors?
  3. Toroid Field being picked up by input transformer. Way to block this?
  4. free bryston 4b resurrection
  5. 2SA798
  6. universal Jfet source follower
  7. Amp advice prior to purchase -
  8. Which amp shall I build?
  9. Audio transformer (LT700) behaviour [newb]
  10. homemade amplifier
  11. Sansui R-70 bias
  12. Kenwood KA5700
  13. A question about a Linar 10 amp
  14. OP Amp oscillator sine wave too sharp
  15. tectronic SA-535
  16. A dive into the past
  17. Hafler 9303 transformer
  18. Debug my hum
  19. Transistors
  20. Yamaha rx-v373 making me pull my hair out!
  21. Servicing an amp: fuses, regulators, emitter resistors
  22. Pro Amplifier hum
  23. Pioneer Power Amplifier GM-6300T, No Output
  24. Storage of a vintage receiver
  25. project idea. custom amp board in old receiver
  26. Strange problems with transistors
  27. Newbie working with a IRS2092
  28. Ampzilla 2000
  29. Simple repair for a subwoofer amplifier? (ASW3000)
  30. Speaker Impedance - Class A Current
  31. 2SK216/2SJ79 Spice models for Multisim?
  32. News. Three-band repeater with a crossover in the economy class A.
  33. Commercial Solid State Amps with jumper controlled Modes "without NFB" and "with NFB"
  34. Yamaha CA 510
  35. KSA-250 changing mains voltage
  36. "Vintage" Rotel RX-875 Troubleshooting
  37. Luxman L100 muting circuit
  38. Replacement remote for HK6350R
  39. SS amplifier kit equivalent to Dynaco ST70?
  40. Amplifier Problems
  41. Thermal switch?
  42. bad clipping
  43. OPA2604: Worthwhile using better regs than LM317/337?
  44. B&K cs-115 preamp help
  45. Kenwood Model Eleven GX Bulb Replacement
  46. Hiraga woodfront.
  47. Strap a Cap
  48. Which amplifier kit to build
  49. Encapsulated insulated hex freds
  50. need help finding a replacement for a JRC 074D quade fet op amp
  51. Yamaha RX-V390 - Circuit Protection
  52. arcam alpha 10
  53. autobias via temperature and LUT
  54. RAISERAMP - a special transformer based
  55. Speaker relays
  56. 4 stage amplifier instabilities
  57. 2SB654 = MJ2955? N0!
  58. Marantz pm-64 mk2 missing factory caps ?
  59. gfa-555 ii transistors
  60. Esound integrated amp
  61. Marantz PM-66SE KI - bin or repair?
  62. Invention for bias stability
  63. Hybrid Repeater in economy class A.
  64. Backwards WILSON current mirror?
  65. separate psu chassis for SS amp ?
  66. Linn Intek noisy channel
  67. Phase problem/question
  68. Yamaha CA-610II
  69. Threshold Cas-2
  70. my new amp b.m.c cs2
  71. overdriven OP
  72. Luxman L-450 Transistor Getting Hot
  73. Marantz pm-64 mk2
  74. Transrotary Input Selector anti oxidation Yamaha AX, Pioneer A series type
  75. Amplifier Frequency Turnover. When does it apply?!
  76. Amplifier Frequency Turnover. When does it apply?!
  77. preamp low volume and humming - Krell KRC-2
  78. polyester caps for power supply Any good?
  79. Experiencing a mysterious hum in a Parasound HCA-2200 II.
  80. Bridge Amplifier
  81. Improved OP
  82. NAD 3020 preamp channel broken
  83. Powered Subwoofer won't turn on...Please help!
  84. EXCELINEAR MKII
  85. Is it possible to bridge two subwoofer plate amps between circuit boards??
  86. mosfet question.
  87. Leak Delta 70
  88. Slightly abnormal question about a shaker
  89. I am a newbie and need help on the value of the potentiometer
  90. My CFA project
  91. SIT Transistors for audio ?
  92. rf problem
  93. Building amp small series...
  94. A stupid question about using capacitors to clean pre amp rails
  95. Speakers pop sounds (spikes) when fridge kicks in,Arcam Alpha 3
  96. Need help figuring out/finding a rotary switch
  97. Opto-controlled bias
  98. At what point is slew rate performance is inaudible?
  99. K176 + J50 pairing, any problems?
  100. Single-ended amplifier with balanced input on the lamp GM70
  101. Historic amps documented
  102. Luxman L-435 idle current
  103. Jeff Rowland Model 7 III help
  104. QUAD 405 (mod): DC clamp and ground schema
  105. Harman Kardon HK630 Amplifier Service Manual
  106. quad 303
  107. Technics SU-V470 out of balance
  108. NAIM NAIT 5 Mod Help
  109. Yamaha A-1000 Oscillates
  110. Suggest me a low-power Class A amp
  111. Sudden P28 Schematics
  112. db technologies Opera 405D
  113. amp to replace Crimson 40 watt modules
  114. help with Onkyo 7.1 repair
  115. US / EU - power
  116. Sanken fake transistors
  117. Help with Rotel voltage reconfiguration
  118. Linearising OPS
  119. CRT noise in amp
  120. Why do some designed specify braided cables?
  121. Attenuator before or after graphic? DSE A2760
  122. GAS Son of Ampzilla channel cut out
  123. Solid state amp w. magnetics
  124. NAD 2100 - single channel Hum Problem
  125. Yamaha Limitter
  126. Cap vs DC servo in global NFB tests
  127. Replacement for D01 6A4 rectifier diodes on Rega Mira
  128. Son's Docking Station Project?
  129. Limiter section
  130. NAD T955 Output Devices
  131. Hiraga class a 30 w amplifier
  132. McCormack DNA-0.5 schematics
  133. Change/Bypass High Pass Filter?
  134. Minimum rec. resistor wattage?
  135. Looking for a good quality preamp
  136. Bias current through class AB output pair
  137. How Much Amplifier Power Do i need?
  138. Crate PA-4 Distortion
  139. 120hz spikes at amp output, crappy layout or something else?
  140. bias on sansui au555
  141. Nakamichi RE-10
  142. Making a standby - quick question
  143. Amplifier circuits using BJT advice
  144. Dummy load for cooling fan?
  145. Help with McCormack DNA 0.5 protection circuit
  146. Hybrid single-ended output stage with a balanced input on the lamp 6S33S
  147. zetka zpe 500
  148. Benefits of a regulated power supply?
  149. Yamaha 100-b212
  150. WILS-CFP PROJECT
  151. RA-1412 problems
  152. Straightforward Class A - modest power
  153. MOSFET power supply switch with Isense
  154. Monster Class A (Genesis OPS)
  155. Quilted 120 hybrid amplifier Class A LAMP 6N6P
  156. class AB theory question
  157. Trick to search headphone amps by HI PSRR please?
  158. small/excellent amp recommendation for highs on active system
  159. Carver M500-T Amp - Power up the first 30 to 40 seconds no sound.
  160. Crest Audio LA601 Repair Help
  161. Op-amp input, class AB output. Loud thump sound
  162. Output stage transistor type
  163. SAE 2400L Repair Help Please
  164. Single-cycle symmetric (N - P - N channel + P - N - P channel) repeater plated input
  165. Denon DRA-835R Volume
  166. Bigun's TGM8 with Single Supply
  167. amplifier with 2sk170 input stage
  168. Arcam Alpha 10 Intergrated Output Transistors Location??
  169. Swapping germanium for silicon transistors?
  170. Substitute Transistors
  171. Debunker Strong X4 - 500 WRMS Hi-Fi Amp
  172. pioneer sa 1010 burning resistor
  173. Bypassing an op-amp Low Pass Filter
  174. Speaker protection
  175. Bad channel on TDA7492 amp.What to repair?
  176. driver module
  177. Tiger Pro 1800M amp schematic
  178. Current drive for Loudspeakers
  179. Distorted lamps
  180. Sansui AU-919 filter cap replacement options
  181. TPA3116 amp 50+50+100 wiring?
  182. Replace Sanken SAP16 with STD03
  183. schematics of Krell MDA300
  184. Buttons not performing the corect functions.
  185. Pottencially dead Crest Audio Vs1500
  186. NAD3020, no c422&c423?!
  187. James Sugden site
  188. McIntosh MC250 Capacitor replacement
  189. Cyrus Power power amp resurrection
  190. De-rating heatsink when enclosed?
  191. How Much RMS is Ekho RX2000 Power Amplifier ?
  192. Defectice Output Power Devices at Integr. Amps with Tone Control inside the NFB Loop
  193. mic preamp for recording interface
  194. BK ST-140 vs Conrad Johnson SA 250 Sonographe
  195. Suggestions for a balanced input class A amplifier
  196. Simulation of thermal compensation
  197. Luxman mk 2 combo
  198. Low volume channel
  199. Infinity RS IIA
  200. upgrade my 125 W power amp.
  201. What causes this kind of PCB exposure error?
  202. Carver PM-2.0T (PT-1250)
  203. Quad 520f Noise Problem
  204. Simple amp for loudspeaker tests
  205. Levinson ML-2 or No.23.5
  206. Crescendo Millenium problems
  207. Fully Regulated first stages
  208. Problem with AMPEG amp
  209. Suitable chassis
  210. Why so complex?
  211. Matching/pairing MOSFETs
  212. chip amps vs discrete power amps... does it matter?
  213. LM4702/ SAP15 board help needed
  214. Meistersinger VFA-200, A beginner’s first try in LTSpice
  215. Looking for replacement Arcam 10 components
  216. MARANTZ SC-80 HELP!
  217. Problem with 1977 Technics sa-5270 receiver
  218. Cambridge Azur 640A v1
  219. Channel switching with balanced inputs
  220. Best 50W subwoofer amplifier project?
  221. Hartke HA 4000 schematic request
  222. Tandberg Sølvsuper 75 - 14 HELP!
  223. ecdesign FET CIRCLOTRON ever tested
  224. Lite Audio M12 Power amp
  225. DC voltage on Output Speaker Arcam amplifier problem
  226. AF 124 germanium transistor pinout?
  227. Lab Gruppen amps IPD1200 and IPD2400
  228. Honey Badger vs ???
  229. citation 21 preamp - no right channel sound
  230. What is the Ft of a compound transistor
  231. amp kits from ebay
  232. Harman Kardon 330B
  233. Sugden A 48 Mark III
  234. want to build an Amp
  235. tape out line level modification??
  236. Upping the Watts
  237. figuring out Vo and Io of this op amp
  238. Power Switch
  239. Cap Tolerance - Recapping Audio Gear
  240. Blown up Warwick xtreme 10.1 Bass Amp
  241. Primare 30.5 amp issue on power on
  242. Pioneer a400 volume control
  243. 3-way active x-over - physical setup?
  244. Ideas to what might cause almost full supply voltage DC offset?
  245. yamaha rx-v2095 wont power on
  246. gm doubling
  247. SAE A202 stand-by LED does not work
  248. ALL BD's (139/140) power amplifier
  249. creek 4330 115V - 230V conversion
  250. Technics SU V40 repair

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