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  1. Rotel service manual biasing...
  2. My Blameless
  3. Amber Series 70 Fuses
  4. Bi-Pak AL60
  5. yamaha M35 amp led meter
  6. Yamaha M45 amp led circuit schematic
  7. Does this amplified topology have a name
  8. The affect of mismatched impedance
  9. Acurus A150
  10. trace acoustic ta100r repair help
  11. New to forum - Buzzing noise
  12. resistor colour code
  13. help!!!!
  14. Arcam Alpha 10 overheating issues
  15. TEAC AG 4200 relays?
  16. Unique CFA 120/230W amp
  17. Direct NFB Pure Amplifier 2
  18. Crimson CS 620D
  19. Sansui 350
  20. Driving a 4-8R speaker with a single transistor Class A amp?
  21. Turbo 225 amplifier (SGS)
  22. excelinear 2014
  23. CFP OUTPUT 100W*2 MX100 MY design
  24. Amp starts humming when volume pot is attached
  25. Cannot get 2SK170 2SJ74 Spice model to pass more than 0.4mA
  26. Second opinions on balanced inputs
  27. Availability of "current-drive" amplifiers as commercial products
  28. Amp with unfamiliar input stage - DC offset problem
  29. 2SJ118/2SK413 schematics
  30. Making a bipolar electrolytic capacitor
  31. Sap Transistors?
  32. Twisting transformer secondary's
  33. Adcom gfa-555ii killed my speakers
  34. Crown DC-300A No Mono/Dual Switch
  35. Repairing surround channels on a Marantz RS3559
  36. Behringer GM110
  37. can I have 5 m cable, quad 35 to 405 amp
  38. NAD 3125 Circuit Diagram
  39. pioneer stereo reciever sx-1080
  40. common value of output stage noise in uV?
  41. Dynacord L2400 output board schematic
  42. Bryston 3B Restoration problems
  43. Protect Headphone Amplifier Output from Accidental Arcing of Electrostatic Driver
  44. Prototype Printed Circuit Board vendors
  45. Where to find Toshiba Semiconductors today (2SK389, 2SJ109, 2SK170, etc?
  46. Musical Fidelity A1000
  47. Parasound 2250 Amp Schematics?
  48. Crown Macro Reference Bias calibration
  49. DC blocking caps in modern amplifiers?
  50. Replacing capacitors in the tuner area
  51. Source of 680nF 2% caps.
  52. first amplifier build. will my schematic work?
  53. kenwood basic M2 problem
  54. Looking for Soundcraft Spirit FX8 Schematic/Info
  55. Which combinations of transistors should thermally track
  56. Technics SA-300: dead FM tuner
  57. Krell KMA-160 schematic and biasing info needed
  58. MCU from NAD T-752
  59. gemini vintage amp need info please
  60. Help with TeddyReg
  61. NAD S300 normal operating temperature?
  62. Harmon Kardon HK650
  63. MARK LEVINSON 33X series caps..Whats best???
  64. Adding a second input channel to my diy amp. how to?
  65. Circuit for a 2.1 system?
  66. Bush Amplifier Distorted.
  67. Yamaha CA 510 Meter lights
  68. Amps' power - which is real the bottleneck ?
  69. Sansui AU 555a One dead channel ? No power ?
  70. Pioneer SA-610 mods to improve sound quality
  71. Honeybadger or Gainclone?
  72. It seems I only use 1W of amp power.. Can it be right?
  73. Increasing slew rate and stability
  74. The most bizzare problem I have come across
  75. Aragon 8008 x 3 blew my woofers?
  76. Phase Linear
  77. Yamaha M-85 Bias Voltage Does Not Increase In "Auto A" Switch Position
  78. Rather simple high quality reference amp (~200W @ 4 ohm, VFA)
  79. What is Monaural, Dual mono, stereo in fact?
  80. Why does CFP output require much less bias than EF?
  81. No Input Select at Kenwood's Integrated Amp A-1001
  82. Quad 405 - DCD–Mod4 (Keith Snook)
  83. output transformer for multiple amps
  84. Connecting amplifier chasis to earth ground, but not amplifier ground
  85. QSC1700
  86. Pioneer SA-610 - bypass the Pre-amp stage?
  87. Upgrading Transistors?
  88. Toroid Field being picked up by input transformer. Way to block this?
  89. free bryston 4b resurrection
  90. 2SA798
  91. universal Jfet source follower
  92. Amp advice prior to purchase -
  93. Which amp shall I build?
  94. Audio transformer (LT700) behaviour [newb]
  95. homemade amplifier
  96. Sansui R-70 bias
  97. Kenwood KA5700
  98. A question about a Linar 10 amp
  99. OP Amp oscillator sine wave too sharp
  100. tectronic SA-535
  101. A dive into the past
  102. Hafler 9303 transformer
  103. Debug my hum
  104. Transistors
  105. Yamaha rx-v373 making me pull my hair out!
  106. Servicing an amp: fuses, regulators, emitter resistors
  107. Pro Amplifier hum
  108. Pioneer Power Amplifier GM-6300T, No Output
  109. Storage of a vintage receiver
  110. project idea. custom amp board in old receiver
  111. Strange problems with transistors
  112. Newbie working with a IRS2092
  113. Ampzilla 2000
  114. Simple repair for a subwoofer amplifier? (ASW3000)
  115. Speaker Impedance - Class A Current
  116. 2SK216/2SJ79 Spice models for Multisim?
  117. News. Three-band repeater with a crossover in the economy class A.
  118. Commercial Solid State Amps with jumper controlled Modes "without NFB" and "with NFB"
  119. Yamaha CA 510
  120. KSA-250 changing mains voltage
  121. "Vintage" Rotel RX-875 Troubleshooting
  122. Luxman L100 muting circuit
  123. Replacement remote for HK6350R
  124. SS amplifier kit equivalent to Dynaco ST70?
  125. Amplifier Problems
  126. Thermal switch?
  127. bad clipping
  128. OPA2604: Worthwhile using better regs than LM317/337?
  129. B&K cs-115 preamp help
  130. Kenwood Model Eleven GX Bulb Replacement
  131. Hiraga woodfront.
  132. Strap a Cap
  133. Which amplifier kit to build
  134. Encapsulated insulated hex freds
  135. need help finding a replacement for a JRC 074D quade fet op amp
  136. Yamaha RX-V390 - Circuit Protection
  137. arcam alpha 10
  138. autobias via temperature and LUT
  139. RAISERAMP - a special transformer based
  140. Speaker relays
  141. 4 stage amplifier instabilities
  142. 2SB654 = MJ2955? N0!
  143. Marantz pm-64 mk2 missing factory caps ?
  144. Marshall 8100 buzz
  145. gfa-555 ii transistors
  146. Esound integrated amp
  147. Marantz PM-66SE KI - bin or repair?
  148. Invention for bias stability
  149. Hybrid Repeater in economy class A.
  150. Backwards WILSON current mirror?
  151. separate psu chassis for SS amp ?
  152. Linn Intek noisy channel
  153. Phase problem/question
  154. Yamaha CA-610II
  155. Threshold Cas-2
  156. my new amp b.m.c cs2
  157. overdriven OP
  158. Luxman L-450 Transistor Getting Hot
  159. Marantz pm-64 mk2
  160. Transrotary Input Selector anti oxidation Yamaha AX, Pioneer A series type
  161. Amplifier Frequency Turnover. When does it apply?!
  162. Amplifier Frequency Turnover. When does it apply?!
  163. preamp low volume and humming - Krell KRC-2
  164. polyester caps for power supply Any good?
  165. Experiencing a mysterious hum in a Parasound HCA-2200 II.
  166. Bridge Amplifier
  167. Improved OP
  168. NAD 3020 preamp channel broken
  169. Powered Subwoofer won't turn on...Please help!
  170. EXCELINEAR MKII
  171. Is it possible to bridge two subwoofer plate amps between circuit boards??
  172. Behringer EP2500 Repair
  173. mosfet question.
  174. Leak Delta 70
  175. Slightly abnormal question about a shaker
  176. I am a newbie and need help on the value of the potentiometer
  177. My CFA project
  178. SIT Transistors for audio ?
  179. rf problem
  180. Building amp small series...
  181. A stupid question about using capacitors to clean pre amp rails
  182. Speakers pop sounds (spikes) when fridge kicks in,Arcam Alpha 3
  183. Need help figuring out/finding a rotary switch
  184. Opto-controlled bias
  185. At what point is slew rate performance is inaudible?
  186. K176 + J50 pairing, any problems?
  187. Single-ended amplifier with balanced input on the lamp GM70
  188. Historic amps documented
  189. Luxman L-435 idle current
  190. Jeff Rowland Model 7 III help
  191. QUAD 405 (mod): DC clamp and ground schema
  192. Harman Kardon HK630 Amplifier Service Manual
  193. quad 303
  194. Technics SU-V470 out of balance
  195. NAIM NAIT 5 Mod Help
  196. Yamaha A-1000 Oscillates
  197. Suggest me a low-power Class A amp
  198. Sudden P28 Schematics
  199. db technologies Opera 405D
  200. amp to replace Crimson 40 watt modules
  201. help with Onkyo 7.1 repair
  202. US / EU - power
  203. Sanken fake transistors
  204. Help with Rotel voltage reconfiguration
  205. Linearising OPS
  206. CRT noise in amp
  207. Why do some designed specify braided cables?
  208. Attenuator before or after graphic? DSE A2760
  209. GAS Son of Ampzilla channel cut out
  210. Solid state amp w. magnetics
  211. NAD 2100 - single channel Hum Problem
  212. Yamaha Limitter
  213. Cap vs DC servo in global NFB tests
  214. Replacement for D01 6A4 rectifier diodes on Rega Mira
  215. Son's Docking Station Project?
  216. LIMITER SECTION
  217. NAD T955 Output Devices
  218. Hiraga class a 30 w amplifier
  219. McCormack DNA-0.5 schematics
  220. Change/Bypass High Pass Filter?
  221. Minimum rec. resistor wattage?
  222. Looking for a good quality preamp
  223. Bias current through class AB output pair
  224. How Much Amplifier Power Do i need?
  225. Crate PA-4 Distortion
  226. 120hz spikes at amp output, crappy layout or something else?
  227. bias on sansui au555
  228. Nakamichi RE-10
  229. Making a standby - quick question
  230. Amplifier circuits using BJT advice
  231. 1000 Watt Hifonics Amp
  232. Dummy load for cooling fan?
  233. Help with McCormack DNA 0.5 protection circuit
  234. DIY Class A BJT Guitar Preamp problems
  235. Hybrid single-ended output stage with a balanced input on the lamp 6S33S
  236. zetka zpe 500
  237. Benefits of a regulated power supply?
  238. Yamaha 100-b212
  239. WILS-CFP PROJECT
  240. RA-1412 problems
  241. Straightforward Class A - modest power
  242. MOSFET power supply switch with Isense
  243. Monster Class A (Genesis OPS)
  244. Quilted 120 hybrid amplifier Class A LAMP 6N6P
  245. class AB theory question
  246. Trick to search headphone amps by HI PSRR please?
  247. small/excellent amp recommendation for highs on active system
  248. Carver M500-T Amp - Power up the first 30 to 40 seconds no sound.
  249. Crest Audio LA601 Repair Help
  250. Op-amp input, class AB output. Loud thump sound

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