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  1. Technical Question - Yamaha CA-810 - everything is in mono
  2. Power Amp's NP capacitors and BP capacitors confuse ??
  3. Why my DX AMP oscillates?
  4. SONY STR-DA5200ES
  5. NAD 314 recapping
  6. Rotel RA1070 integrated amp, protection light.
  7. Op amp power decoupling... again...
  8. Cyrus 2 + PSX as a Subwoofer Amp
  9. Paralleling two power amps for extra power
  10. Technics SE-9060 improvement?
  11. diagnosing faulty transistors
  12. Kenwood KA7300 bias check points
  13. 2x 8 ohms split into 8 ohm channel on amp?
  14. 47 volts on output resistors?
  15. lm3886 sound
  16. Yamaha RX-V595 display panel stayed on 3~5 seconds then turned off
  17. Can power supply filter capacitors affect DC offset voltage?
  18. Tandem woofers, low combined DC resistance - effects on amplifier?
  19. Looking for a small signal NPN with no Quasi Saturation: MEASURED DATA
  20. Yamaha CR800 poor bass performance
  21. Replacement transistors
  22. Yamaha A520
  23. Waldhauer and frequency doublets
  24. Powering op amps from amplifier PSU
  25. NOS MOSFETs.
  26. LTSpice model for a 2V zener or less
  27. Film capacitors on AC
  28. Sansui G22000 with Updated Transistors/Low Power Output
  29. Proline 3000 Input Board
  30. New or amp or...?
  31. Bias adjustment pots - how to identify a bad one
  32. Marantz PM310 Upgrade Project
  33. Auxiliary transformer
  34. 150 watt mono Class A/B amplifier to drive 10" subwoofer
  35. Yamaha DSP-AX2 no signs of life.
  36. Lehmann Linear case drawings?
  37. Trim pot values
  38. Help With My Class AB Biasing, Unbalanced npn, pnp current
  39. Sub filter (Bass is course)
  40. Apex BA2000 protection circuit
  41. Class A vs class AB
  42. TA-4650: Bringing it back to life
  43. First shot at the "Blameless" amp topology
  44. HELP: Nakamichi CA-7 Volume Gear Parts
  45. Repair or replacement Technics SU-V8
  46. problem with my apex ax14
  47. Filter capacitors in Toshiba SC-335 power amp
  48. Total beginner question please - XLR ground loop
  49. Technics SU-V65A Troubleshooting please
  50. BUT30V NPN transsistors, amplifier material?
  51. My+Your Opinion And Experience On Matched Transistor and MOSFETS
  52. Any Experience With Holton Precision Amp Modules?
  53. Oscillations on blameless EF amp
  54. Allen 100 Watt amps
  55. Class A bias vs input signal
  56. Technics SA-X11WL distorted output
  57. Apex AX 20 amplifier problem....
  58. My CFP design, need your help!
  59. Audiolab 8000a spontaneously loud
  60. Sansui SE-7
  61. Sanyo STK 404-140
  62. Cyrus 1 Output Transistors
  63. The Fisher 202 - hum problem
  64. Removing Balance & Panorama from Crown IC 150a Preamp
  65. How Can I design a OCL AMP?
  66. What the Cap!!!!?
  67. Need help reviewing a design and layout.
  68. Beginner Solid State Amp (and speakers)
  69. Interference from output coils?
  70. Linear design sa-8200 rambler model stopped working
  71. Revox B-780 Help
  72. Quasi AB driver A
  73. PSU and amp in separate encolsures
  74. FED16BT replacment
  75. Audio Power supply
  76. *Wanted* Cerwin Vega CVA28 service manual
  77. Marantz 2225 Voltage Adjustment Issue
  78. New design 135W 8, 270W 4
  79. Turntable DC Supply 24V Very Complex/Strange
  80. PCB Sanyo
  81. Electrocompaniet AW-100 troubleshooting (right channel intermittent soft popping)
  82. Sony TAN-5550 ancient VFet amp, can I just turn it on?
  83. Blown amp section on NAD 7020 - What to check now?
  84. Really weird problem with volume control
  85. TO-3 power transistor orientation
  86. The Amplifier of 100 Transistors - Blameless using small signal devices as outputs!
  87. Marantz model 240 transistors
  88. Derating, am I missing something?
  89. Alpine 3539 faulty? (DC between RCA shield and supply ground)
  90. yamaha b1 where are 2sk77?
  91. STK42334MK5 diy amp Relay problem
  92. IC + FET redesign
  93. AudioSource AMP300 Troubleshooting
  94. Audio Research D-350 Power Meter Window
  95. Sony TA-F707es - Noise/hiss on on one channel
  96. Possible design issue in early MF B1 amp?
  97. Problem with preamp design
  98. DAC to PWR amp almost blown speakers
  99. Pioneer VSX-519V
  100. Lamp holders - can this type still be obtained?
  101. Fatman S-State 60
  102. Does output volume differ btw diff. Opamps?
  103. astable
  104. Transistor replacement
  105. Seas Bragi kit amplifier
  106. Sony TA-N77ES Amplifier replacement parts 2SK244
  107. choices, choices !!!
  108. Need help to double check power supply.
  109. Variable start - up
  110. Phase Linear 400 & 4000 died while in storage
  111. Borbely MILLENNIUM-200
  112. Sausui 9090 Bias issue
  113. A Directory of Apex Audio Amplifiers
  114. Digital potentiometer and a 3 digit display
  115. Help Adding a Current Mirror to a Diff Pair Res Calc
  116. Electrocompaniet AW 250 DMB-R bias
  117. caps for quad 405 amp
  118. Technics SE-A5 Static/Sound in Right Channel
  119. cheapest per watt amplifier design
  120. Sound card FFT chart on a blameless amplifier
  121. Do smaller and paralleled caps sound better as output caps
  122. Mcintosh....ma1700
  123. LME49830
  124. K176 vs. K216
  125. Can I connect a seperate pre/pro to my Onkyo TX-sr805?
  126. antibump
  127. Regarding a Toshiba SY335 preamp
  128. 1/4in shaft and 6mm knob fit question?
  129. Sansui 5000A hum
  130. Two-Stage Push-Pull MOSFET Class-A Amp
  131. schematic for LM3886
  132. Sony STR-DH740 no sound output (possibly transformer)
  133. Capacitance 2x8000 = 10000+6800
  134. Variable Resistor V Semi-Fixed
  135. Volume-Potentiometer replacement rule?
  136. JVC rx8010vbk amp cuts right back off
  137. Superphon Revelation Basic
  138. More lfet questions
  139. Marantz pm7200 Breaking left channel
  140. Help identify name of this connector.
  141. Which way is best for power supply?
  142. Suggestions schematic for a new amp project
  143. NAD 3220PE Project
  144. Mark Levinson ML-9 amp help needed
  145. To buffer or not to buffer that is the question.
  146. Adcom GFA-555 mods
  147. allfet circlotron
  148. PNP LTP vs NPN LTP
  149. Troubleshooting amp repair
  150. Arcam CDS27 vs Marantz SA8005
  151. JBL MPX 600
  152. No DC Offset Adjustment Pots.
  153. Found this board dumped
  154. Class A BJT Powering on question. Will this send a jolt to my power amp?
  155. Need tips for recapping Sansui 9090
  156. Elusive noise on left channel
  157. OpAmpAmp for sub
  158. Monarch / Neckermann 1960s first generation solid state receiver recap
  159. Aragon 24k price
  160. Adcom GFA-555 II South Africa
  161. Marantz MA700 help
  162. Searching for service manual of Hafler 945
  163. Krell KSA-200B Bias
  164. Blast from the past - Kenwood KA-80
  165. Conrad Johnson PV10A--Classe CA 100
  166. A three transistor compound pair?
  167. Need some pointers with finishing touches on mosfet amp repair
  168. pioneer sx-6000 - need to know power supply board voltage values
  169. Transistor gain matching
  170. JFET differential pair trans. choice
  171. Can i replace 2SB755 / 2SD845 Toshibas for 2SA1494 / 2SC3858 Sanken ?
  172. Audio Nirvana,Nap 140 clones.
  173. Parasound A21 problem
  174. bridge rectifier question
  175. buzz from amp when connected to speaker
  176. Aragon 8008BB Voltage Conversion
  177. Sansui AU-6600 Bias
  178. Measured data on the J105 Nchannel JFET
  179. SE Amp operation question
  180. Aiwa C30 recap and OP amps
  181. Explanation of Class A
  182. Speaker protection 12v amp
  183. NAD C 165BEE
  184. Hafler 9505 hum/buzz noise
  185. LM334 makes quite a nice 5.5 mA current source, works down to 2.0-2.2 volts
  186. HELP! Higher Fidelity Industries HF-138 shematic
  187. no mention of active loads in Bob Cordell's book
  188. Servo controlled Op Amp board on Ebay
  189. Harman Kardon receiver
  190. McCormack DNA 0.5 Re Cap
  191. Sony TA-3600 BI-AMP Very Low Volume
  192. noisy marantz 1050
  193. Designing 200w Amplifier. Oscillations or something else? need help please.
  194. How do I make a speaker crossover to only hear range of human voice?
  195. Concept: Bridged amplifier with dc bias on the output
  196. Cambridge audio P50 bias adjustment
  197. Krell FPB catastrophic protection conditions?
  198. 50 solid ..years
  199. Yamaha M65 Bias adjustment
  200. Can I build an amp to do it all?
  201. Pioneer SX-1000TW Repair
  202. Sony 2.0 receiver "protect" mode test/repair
  203. question about the jlh amplifier and the capacitance multiplier power supply
  204. Maximum power output of a single pair of MT-200 vs TO-264
  205. Dissipante 5u UMS heatsinks
  206. Output stage power
  207. 4 channel amplifier build
  208. replacing a driver
  209. A rare find.
  210. Class A to class AB transition power rating
  211. Volume control for Naim 140 kit?
  212. Understanding Transistor amplifier with an online simulation
  213. New GFA-565 circuit boards!
  214. Yamaha A700 repair attempt
  215. Amp advice
  216. Build low power Transistor Amplifier
  217. Capacitor Array on Power and Ground planes How to Avoid Resonance?
  218. Getting 2sk1058/2sj162 and current output
  219. Several schemes
  220. HPF/LPF/BP etc via All Pass
  221. Technics amplifer thermal compound okay for power IC
  222. Input impedance of Rotel RB-981
  223. Yamaha c70 Part ID
  224. Overly bright set up: audiolab 8000a with mission 751
  225. preventative maintenance for Adcom GFA-555 ?
  226. Speakon Connectors for Hi-Fi
  227. Nelson Jones 10W
  228. 8-channel amplifier
  229. LTSPICE was wrong: MOSFET transconductance "gm" is NOT higher than bipolar gm
  230. NAD 302
  231. P3A Problems!
  232. Vintage Sansui restoration
  233. Sansui AU-11000 output emitter short.
  234. Arcus Finest Class Amp 200
  235. Audio Concepts AC5000 Amplifier
  236. Is selector switch close to inputs really necessary?
  237. Help for Sansui Au -222 toggle switch wiring
  238. Bias voltage for Class A/B output and output transistor choices
  239. How 2 Repair M&K V2b subwoofer crossover & swap speaker jacks
  240. Hafler DH-500 overheating
  241. AN7062
  242. transistors Marantz 1122 dc
  243. Dual preamplifier Type 2683 Lemo connector circuit diagram and colour coding
  244. Dynaco PAT-5: channel imbalance and dead headphone jack?
  245. Just another simple hybrid
  246. Toshiba SC335 power supply capacitors
  247. 300 watts RMS out of 2 mosfets ?
  248. current biased collector
  249. Technics SU-G50 fan starts upon start up, volume motorised crazy
  250. TO220/D2PAK Lateral MOSFETs

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