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  1. recapping amp & preamp
  2. Sony STR-VX1L
  3. Sonic Difference between the Polk mm840 vs Focal P20F
  4. Faking a Loudness Tap
  5. Should I build this amp ?
  6. Luxman R-113 Scratchy sound for first min
  7. The Examplifier
  8. Inverted J-FET Circlophone Builders thread
  9. Some amps picking up noise from computer
  10. Jfet matching question
  11. JLH Class A Silicon Carbide edition
  12. Constant hiss on my amp, can I reduce it?
  13. Pioneer A88-x with Bad Channel
  14. Ips redesign
  15. LFet design
  16. Why are these opamps so expensive? (OPA2541 @ $250/ea)
  17. MF A1 2016 Rebuild!
  18. Shobud D15 steele guitar amp problem.
  19. adcom gfa 555 ii questions
  20. Crest Audio CPX 1500 Bias
  21. Adcom 555mkii that is confusing for me, to much positive?
  22. Attention please oscillation
  23. Cyrus Amplifier 2
  24. Revisiting an old 1970's design. Was it inspired, or just an 'also ran'.
  25. Parasound a21 bias
  26. WEGA Model JPS 350V (JPS350V) Schematic wanted
  27. Challenge! Quick and dirty amp build - make a suggestion :)
  28. Preamp questions._
  29. The Fisher PA301 amp schematic?
  30. Sony STR-AV210 problem
  31. please help for proline 3000 amp
  32. Schematic for MAP-305II (Advance Acoustic)
  33. My Revox 720 just went Bang. Wrong fuse fitted: any idea please?
  34. zener amplifier
  35. Trying to repair a Samson sx1200 power amp
  36. Apex BA-2000 whats wrong with the schematic unable to simulate
  37. How to improve the distortion of this amp?
  38. Kenwood KA-7300 - temperature of power supply resistors
  39. Which one
  40. Anyone know why Profusions website is down?
  41. Pioneer SX-780 relay pin out
  42. Dynaco Stereo 80
  43. How turn a Class AB into H class
  44. Building a cheap 250W dummy load
  45. Hybrid quasi output LPT input
  46. Adcom GFA 555 Overheating with remote volume control?
  47. ALF 2 & 200 four-channel Lateral Mosfet amplifier
  48. Creek 4330 bias
  49. Rgate for 2sk1530/2sj201
  50. Rotel RA 1062 sound problem
  51. Hitachi SR-303L amp - slow warm up ??
  52. Twin Class AB Output Stages On One Front End
  53. Creating a variable wien bridge oscillator
  54. Denon AVC 1530
  55. Suggestion of opamps
  56. Self's multiple balanced input CMRR - Any adjustment trimmpot?
  57. Pre amp Line driver for DJ mixer
  58. Rega Mira 3 voltage conversion
  59. Self's multiple balanced input CMRR - Any adjustment trimpot?
  60. DIY integrated amp to replace a Linn Classik
  61. How to hook up Avago ASSR-V621
  62. Op Amps for Dummies please
  63. TGM 1i - an integrated hybrid amp inspired by Hugh Dean
  64. Technical Question - Yamaha CA-810 - everything is in mono
  65. Power Amp's NP capacitors and BP capacitors confuse ??
  66. Why my DX AMP oscillates?
  67. SONY STR-DA5200ES
  68. NAD 314 recapping
  69. Rotel RA1070 integrated amp, protection light.
  70. Op amp power decoupling... again...
  71. Cyrus 2 + PSX as a Subwoofer Amp
  72. Paralleling two power amps for extra power
  73. Technics SE-9060 improvement?
  74. diagnosing faulty transistors
  75. Kenwood KA7300 bias check points
  76. 2x 8 ohms split into 8 ohm channel on amp?
  77. 47 volts on output resistors?
  78. lm3886 sound
  79. Yamaha RX-V595 display panel stayed on 3~5 seconds then turned off
  80. Can power supply filter capacitors affect DC offset voltage?
  81. Tandem woofers, low combined DC resistance - effects on amplifier?
  82. Looking for a small signal NPN with no Quasi Saturation: MEASURED DATA
  83. Yamaha CR800 poor bass performance
  84. Replacement transistors
  85. Yamaha A520
  86. Waldhauer and frequency doublets
  87. Powering op amps from amplifier PSU
  88. NOS MOSFETs.
  89. LTSpice model for a 2V zener or less
  90. Film capacitors on AC
  91. Sansui G22000 with Updated Transistors/Low Power Output
  92. Proline 3000 Input Board
  93. New or amp or...?
  94. Bias adjustment pots - how to identify a bad one
  95. Marantz PM310 Upgrade Project
  96. Auxiliary transformer
  97. 150 watt mono Class A/B amplifier to drive 10" subwoofer
  98. Yamaha DSP-AX2 no signs of life.
  99. Lehmann Linear case drawings?
  100. Trim pot values
  101. Help With My Class AB Biasing, Unbalanced npn, pnp current
  102. Sub filter (Bass is course)
  103. Apex BA2000 protection circuit
  104. Class A vs class AB
  105. TA-4650: Bringing it back to life
  106. First shot at the "Blameless" amp topology
  107. HELP: Nakamichi CA-7 Volume Gear Parts
  108. Repair or replacement Technics SU-V8
  109. problem with my apex ax14
  110. Filter capacitors in Toshiba SC-335 power amp
  111. Total beginner question please - XLR ground loop
  112. Technics SU-V65A Troubleshooting please
  113. BUT30V NPN transsistors, amplifier material?
  114. My+Your Opinion And Experience On Matched Transistor and MOSFETS
  115. Any Experience With Holton Precision Amp Modules?
  116. Oscillations on blameless EF amp
  117. Allen 100 Watt amps
  118. Class A bias vs input signal
  119. Technics SA-X11WL distorted output
  120. Apex AX 20 amplifier problem....
  121. My CFP design, need your help!
  122. Audiolab 8000a spontaneously loud
  123. Sansui SE-7
  124. Sanyo STK 404-140
  125. Cyrus 1 Output Transistors
  126. The Fisher 202 - hum problem
  127. Removing Balance & Panorama from Crown IC 150a Preamp
  128. How Can I design a OCL AMP?
  129. What the Cap!!!!?
  130. Need help reviewing a design and layout.
  131. Beginner Solid State Amp (and speakers)
  132. Interference from output coils?
  133. Linear design sa-8200 rambler model stopped working
  134. Revox B-780 Help
  135. Quasi AB driver A
  136. PSU and amp in separate encolsures
  137. FED16BT replacment
  138. Audio Power supply
  139. *Wanted* Cerwin Vega CVA28 service manual
  140. Marantz 2225 Voltage Adjustment Issue
  141. New design 135W 8, 270W 4
  142. Turntable DC Supply 24V Very Complex/Strange
  143. PCB Sanyo
  144. Electrocompaniet AW-100 troubleshooting (right channel intermittent soft popping)
  145. Sony TAN-5550 ancient VFet amp, can I just turn it on?
  146. Blown amp section on NAD 7020 - What to check now?
  147. Really weird problem with volume control
  148. TO-3 power transistor orientation
  149. The Amplifier of 100 Transistors - Blameless using small signal devices as outputs!
  150. Marantz model 240 transistors
  151. Derating, am I missing something?
  152. Alpine 3539 faulty? (DC between RCA shield and supply ground)
  153. yamaha b1 where are 2sk77?
  154. STK42334MK5 diy amp Relay problem
  155. IC + FET redesign
  156. AudioSource AMP300 Troubleshooting
  157. Audio Research D-350 Power Meter Window
  158. Sony TA-F707es - Noise/hiss on on one channel
  159. Possible design issue in early MF B1 amp?
  160. Problem with preamp design
  161. DAC to PWR amp almost blown speakers
  162. Pioneer VSX-519V
  163. Lamp holders - can this type still be obtained?
  164. Does output volume differ btw diff. Opamps?
  165. astable
  166. Transistor replacement
  167. Seas Bragi kit amplifier
  168. Sony TA-N77ES Amplifier replacement parts 2SK244
  169. choices, choices !!!
  170. Need help to double check power supply.
  171. Variable start - up
  172. Phase Linear 400 & 4000 died while in storage
  173. Borbely MILLENNIUM-200
  174. Sausui 9090 Bias issue
  175. A Directory of Apex Audio Amplifiers
  176. Digital potentiometer and a 3 digit display
  177. Help Adding a Current Mirror to a Diff Pair Res Calc
  178. Electrocompaniet AW 250 DMB-R bias
  179. caps for quad 405 amp
  180. Technics SE-A5 Static/Sound in Right Channel
  181. cheapest per watt amplifier design
  182. Sound card FFT chart on a blameless amplifier
  183. Do smaller and paralleled caps sound better as output caps
  184. Mcintosh....ma1700
  185. LME49830
  186. K176 vs. K216
  187. Can I connect a seperate pre/pro to my Onkyo TX-sr805?
  188. antibump
  189. Regarding a Toshiba SY335 preamp
  190. 1/4in shaft and 6mm knob fit question?
  191. Sansui 5000A hum
  192. Two-Stage Push-Pull MOSFET Class-A Amp
  193. schematic for LM3886
  194. Sony STR-DH740 no sound output (possibly transformer)
  195. Capacitance 2x8000 = 10000+6800
  196. Variable Resistor V Semi-Fixed
  197. Volume-Potentiometer replacement rule?
  198. JVC rx8010vbk amp cuts right back off
  199. Superphon Revelation Basic
  200. More lfet questions
  201. Marantz pm7200 Breaking left channel
  202. Help identify name of this connector.
  203. Which way is best for power supply?
  204. Suggestions schematic for a new amp project
  205. NAD 3220PE Project
  206. Mark Levinson ML-9 amp help needed
  207. To buffer or not to buffer that is the question.
  208. Adcom GFA-555 mods
  209. allfet circlotron
  210. PNP LTP vs NPN LTP
  211. Troubleshooting amp repair
  212. Arcam CDS27 vs Marantz SA8005
  213. JBL MPX 600
  214. No DC Offset Adjustment Pots.
  215. Found this board dumped
  216. Class A BJT Powering on question. Will this send a jolt to my power amp?
  217. Need tips for recapping Sansui 9090
  218. Elusive noise on left channel
  219. OpAmpAmp for sub
  220. Monarch / Neckermann 1960s first generation solid state receiver recap
  221. Aragon 24k price
  222. Adcom GFA-555 II South Africa
  223. Marantz MA700 help
  224. Searching for service manual of Hafler 945
  225. Krell KSA-200B Bias
  226. Blast from the past - Kenwood KA-80
  227. Conrad Johnson PV10A--Classe CA 100
  228. A three transistor compound pair?
  229. Need some pointers with finishing touches on mosfet amp repair
  230. pioneer sx-6000 - need to know power supply board voltage values
  231. Transistor gain matching
  232. JFET differential pair trans. choice
  233. Can i replace 2SB755 / 2SD845 Toshibas for 2SA1494 / 2SC3858 Sanken ?
  234. Audio Nirvana,Nap 140 clones.
  235. Parasound A21 problem
  236. bridge rectifier question
  237. buzz from amp when connected to speaker
  238. Aragon 8008BB Voltage Conversion
  239. Sansui AU-6600 Bias
  240. Measured data on the J105 Nchannel JFET
  241. SE Amp operation question
  242. Aiwa C30 recap and OP amps
  243. Explanation of Class A
  244. Speaker protection 12v amp
  245. NAD C 165BEE
  246. Hafler 9505 hum/buzz noise
  247. LM334 makes quite a nice 5.5 mA current source, works down to 2.0-2.2 volts
  248. HELP! Higher Fidelity Industries HF-138 shematic
  249. no mention of active loads in Bob Cordell's book
  250. Servo controlled Op Amp board on Ebay

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