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  1. Perfect Stranger - Innovative Amplifier
  2. Pioneer amp board with IC drivers.
  3. Technics SA-80 distorted right channel
  4. Please help educate - T300 & VSSA level matching
  5. transformer amplifier zero feedback
  6. What do these resistors do? :(
  7. Watercooled HEXFET Power Amplifier
  8. A simple question about performance
  9. bridge adapter
  10. CROWN DC-300A SERIES II RESTORATION
  11. OLDER PIONEER PREMIER Specific Amp line
  12. Resurrecting a BGW 750B
  13. Op-amp swapping MC330789 to OPA627
  14. Sudgen p28 Bias current
  15. Rotel service manual biasing...
  16. My Blameless
  17. Amber Series 70 Fuses
  18. Bi-Pak AL60
  19. yamaha M35 amp led meter
  20. Yamaha M45 amp led circuit schematic
  21. Does this amplified topology have a name
  22. The affect of mismatched impedance
  23. Acurus A150
  24. trace acoustic ta100r repair help
  25. New to forum - Buzzing noise
  26. resistor colour code
  27. help!!!!
  28. Arcam Alpha 10 overheating issues
  29. TEAC AG 4200 relays?
  30. Unique CFA 120/230W amp
  31. Direct NFB Pure Amplifier 2
  32. Crimson CS 620D
  33. Sansui 350
  34. Driving a 4-8R speaker with a single transistor Class A amp?
  35. Turbo 225 amplifier (SGS)
  36. excelinear 2014
  37. CFP OUTPUT 100W*2 MX100 MY design
  38. Amp starts humming when volume pot is attached
  39. Cannot get 2SK170 2SJ74 Spice model to pass more than 0.4mA
  40. Second opinions on balanced inputs
  41. Availability of "current-drive" amplifiers as commercial products
  42. Amp with unfamiliar input stage - DC offset problem
  43. 2SJ118/2SK413 schematics
  44. Making a bipolar electrolytic capacitor
  45. Sap Transistors?
  46. Twisting transformer secondary's
  47. Adcom gfa-555ii killed my speakers
  48. Crown DC-300A No Mono/Dual Switch
  49. Repairing surround channels on a Marantz RS3559
  50. can I have 5 m cable, quad 35 to 405 amp
  51. NAD 3125 Circuit Diagram
  52. pioneer stereo reciever sx-1080
  53. common value of output stage noise in uV?
  54. Dynacord L2400 output board schematic
  55. Bryston 3B Restoration problems
  56. Protect Headphone Amplifier Output from Accidental Arcing of Electrostatic Driver
  57. Prototype Printed Circuit Board vendors
  58. Where to find Toshiba Semiconductors today (2SK389, 2SJ109, 2SK170, etc?
  59. Musical Fidelity A1000
  60. Parasound 2250 Amp Schematics?
  61. Crown Macro Reference Bias calibration
  62. DC blocking caps in modern amplifiers?
  63. Replacing capacitors in the tuner area
  64. Source of 680nF 2% caps.
  65. first amplifier build. will my schematic work?
  66. kenwood basic M2 problem
  67. Looking for Soundcraft Spirit FX8 Schematic/Info
  68. Which combinations of transistors should thermally track
  69. Technics SA-300: dead FM tuner
  70. Krell KMA-160 schematic and biasing info needed
  71. MCU from NAD T-752
  72. gemini vintage amp need info please
  73. Help with TeddyReg
  74. NAD S300 normal operating temperature?
  75. Harmon Kardon HK650
  76. MARK LEVINSON 33X series caps..Whats best???
  77. Adding a second input channel to my diy amp. how to?
  78. Circuit for a 2.1 system?
  79. Bush Amplifier Distorted.
  80. Yamaha CA 510 Meter lights
  81. Amps' power - which is real the bottleneck ?
  82. Sansui AU 555a One dead channel ? No power ?
  83. Pioneer SA-610 mods to improve sound quality
  84. Honeybadger or Gainclone?
  85. It seems I only use 1W of amp power.. Can it be right?
  86. Increasing slew rate and stability
  87. The most bizzare problem I have come across
  88. Aragon 8008 x 3 blew my woofers?
  89. Phase Linear
  90. Yamaha M-85 Bias Voltage Does Not Increase In "Auto A" Switch Position
  91. Rather simple high quality reference amp (~200W @ 4 ohm, VFA)
  92. What is Monaural, Dual mono, stereo in fact?
  93. Why does CFP output require much less bias than EF?
  94. No Input Select at Kenwood's Integrated Amp A-1001
  95. Quad 405 - DCD–Mod4 (Keith Snook)
  96. output transformer for multiple amps
  97. Connecting amplifier chasis to earth ground, but not amplifier ground
  98. QSC1700
  99. Pioneer SA-610 - bypass the Pre-amp stage?
  100. Upgrading Transistors?
  101. Toroid Field being picked up by input transformer. Way to block this?
  102. free bryston 4b resurrection
  103. 2SA798
  104. universal Jfet source follower
  105. Amp advice prior to purchase -
  106. Which amp shall I build?
  107. Audio transformer (LT700) behaviour [newb]
  108. homemade amplifier
  109. Sansui R-70 bias
  110. Kenwood KA5700
  111. A question about a Linar 10 amp
  112. OP Amp oscillator sine wave too sharp
  113. tectronic SA-535
  114. A dive into the past
  115. Hafler 9303 transformer
  116. Debug my hum
  117. Transistors
  118. Yamaha rx-v373 making me pull my hair out!
  119. Servicing an amp: fuses, regulators, emitter resistors
  120. Pro Amplifier hum
  121. Pioneer Power Amplifier GM-6300T, No Output
  122. Storage of a vintage receiver
  123. project idea. custom amp board in old receiver
  124. Strange problems with transistors
  125. Newbie working with a IRS2092
  126. Ampzilla 2000
  127. Simple repair for a subwoofer amplifier? (ASW3000)
  128. Speaker Impedance - Class A Current
  129. 2SK216/2SJ79 Spice models for Multisim?
  130. News. Three-band repeater with a crossover in the economy class A.
  131. Commercial Solid State Amps with jumper controlled Modes "without NFB" and "with NFB"
  132. Yamaha CA 510
  133. KSA-250 changing mains voltage
  134. "Vintage" Rotel RX-875 Troubleshooting
  135. Luxman L100 muting circuit
  136. Replacement remote for HK6350R
  137. SS amplifier kit equivalent to Dynaco ST70?
  138. Amplifier Problems
  139. Thermal switch?
  140. bad clipping
  141. OPA2604: Worthwhile using better regs than LM317/337?
  142. B&K cs-115 preamp help
  143. Kenwood Model Eleven GX Bulb Replacement
  144. Hiraga woodfront.
  145. Strap a Cap
  146. Which amplifier kit to build
  147. Encapsulated insulated hex freds
  148. need help finding a replacement for a JRC 074D quade fet op amp
  149. Yamaha RX-V390 - Circuit Protection
  150. arcam alpha 10
  151. autobias via temperature and LUT
  152. RAISERAMP - a special transformer based
  153. Speaker relays
  154. 4 stage amplifier instabilities
  155. 2SB654 = MJ2955? N0!
  156. Marantz pm-64 mk2 missing factory caps ?
  157. gfa-555 ii transistors
  158. Esound integrated amp
  159. Marantz PM-66SE KI - bin or repair?
  160. Invention for bias stability
  161. Hybrid Repeater in economy class A.
  162. Backwards WILSON current mirror?
  163. separate psu chassis for SS amp ?
  164. Linn Intek noisy channel
  165. Phase problem/question
  166. Yamaha CA-610II
  167. Threshold Cas-2
  168. my new amp b.m.c cs2
  169. overdriven OP
  170. Luxman L-450 Transistor Getting Hot
  171. Marantz pm-64 mk2
  172. Transrotary Input Selector anti oxidation Yamaha AX, Pioneer A series type
  173. Amplifier Frequency Turnover. When does it apply?!
  174. Amplifier Frequency Turnover. When does it apply?!
  175. preamp low volume and humming - Krell KRC-2
  176. polyester caps for power supply Any good?
  177. Experiencing a mysterious hum in a Parasound HCA-2200 II.
  178. Bridge Amplifier
  179. Improved OP
  180. NAD 3020 preamp channel broken
  181. Powered Subwoofer won't turn on...Please help!
  182. EXCELINEAR MKII
  183. Is it possible to bridge two subwoofer plate amps between circuit boards??
  184. mosfet question.
  185. Leak Delta 70
  186. Slightly abnormal question about a shaker
  187. I am a newbie and need help on the value of the potentiometer
  188. My CFA project
  189. SIT Transistors for audio ?
  190. rf problem
  191. Building amp small series...
  192. A stupid question about using capacitors to clean pre amp rails
  193. Speakers pop sounds (spikes) when fridge kicks in,Arcam Alpha 3
  194. Need help figuring out/finding a rotary switch
  195. Opto-controlled bias
  196. At what point is slew rate performance is inaudible?
  197. K176 + J50 pairing, any problems?
  198. Single-ended amplifier with balanced input on the lamp GM70
  199. Historic amps documented
  200. Luxman L-435 idle current
  201. Jeff Rowland Model 7 III help
  202. QUAD 405 (mod): DC clamp and ground schema
  203. Harman Kardon HK630 Amplifier Service Manual
  204. quad 303
  205. Technics SU-V470 out of balance
  206. NAIM NAIT 5 Mod Help
  207. Yamaha A-1000 Oscillates
  208. Suggest me a low-power Class A amp
  209. Sudden P28 Schematics
  210. db technologies Opera 405D
  211. amp to replace Crimson 40 watt modules
  212. help with Onkyo 7.1 repair
  213. US / EU - power
  214. Sanken fake transistors
  215. Help with Rotel voltage reconfiguration
  216. Linearising OPS
  217. CRT noise in amp
  218. Why do some designed specify braided cables?
  219. Attenuator before or after graphic? DSE A2760
  220. GAS Son of Ampzilla channel cut out
  221. Solid state amp w. magnetics
  222. NAD 2100 - single channel Hum Problem
  223. Yamaha Limitter
  224. Cap vs DC servo in global NFB tests
  225. Replacement for D01 6A4 rectifier diodes on Rega Mira
  226. Son's Docking Station Project?
  227. Limiter section
  228. NAD T955 Output Devices
  229. Hiraga class a 30 w amplifier
  230. McCormack DNA-0.5 schematics
  231. Change/Bypass High Pass Filter?
  232. Minimum rec. resistor wattage?
  233. Looking for a good quality preamp
  234. Bias current through class AB output pair
  235. How Much Amplifier Power Do i need?
  236. Crate PA-4 Distortion
  237. 120hz spikes at amp output, crappy layout or something else?
  238. bias on sansui au555
  239. Nakamichi RE-10
  240. Making a standby - quick question
  241. Amplifier circuits using BJT advice
  242. Dummy load for cooling fan?
  243. Help with McCormack DNA 0.5 protection circuit
  244. Hybrid single-ended output stage with a balanced input on the lamp 6S33S
  245. zetka zpe 500
  246. Benefits of a regulated power supply?
  247. Yamaha 100-b212
  248. WILS-CFP PROJECT
  249. RA-1412 problems
  250. Straightforward Class A - modest power

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