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  1. Crescendo Millenium problems
  2. Fully Regulated first stages
  3. Problem with AMPEG amp
  4. Suitable chassis
  5. Why so complex?
  6. Matching/pairing MOSFETs
  7. chip amps vs discrete power amps... does it matter?
  8. LM4702/ SAP15 board help needed
  9. Meistersinger VFA-200, A beginner’s first try in LTSpice
  10. Looking for replacement Arcam 10 components
  11. MARANTZ SC-80 HELP!
  12. Problem with 1977 Technics sa-5270 receiver
  13. Cambridge Azur 640A v1
  14. Channel switching with balanced inputs
  15. Best 50W subwoofer amplifier project?
  16. Hartke HA 4000 schematic request
  17. Tandberg Sølvsuper 75 - 14 HELP!
  18. ecdesign FET CIRCLOTRON ever tested
  19. Lite Audio M12 Power amp
  20. DC voltage on Output Speaker Arcam amplifier problem
  21. AF 124 germanium transistor pinout?
  22. Lab Gruppen amps IPD1200 and IPD2400
  23. Honey Badger vs ???
  24. citation 21 preamp - no right channel sound
  25. What is the Ft of a compound transistor
  26. amp kits from ebay
  27. Peavey Backstage 50
  28. Harman Kardon 330B
  29. Sugden A 48 Mark III
  30. want to build an Amp
  31. tape out line level modification??
  32. Upping the Watts
  33. figuring out Vo and Io of this op amp
  34. Power Switch
  35. Cap Tolerance - Recapping Audio Gear
  36. Blown up Warwick xtreme 10.1 Bass Amp
  37. Primare 30.5 amp issue on power on
  38. Pioneer a400 volume control
  39. 3-way active x-over - physical setup?
  40. Ideas to what might cause almost full supply voltage DC offset?
  41. yamaha rx-v2095 wont power on
  42. gm doubling
  43. SAE A202 stand-by LED does not work
  44. ALL BD's (139/140) power amplifier
  45. creek 4330 115V - 230V conversion
  46. Technics SU V40 repair
  47. Yamaha AX-1070 vs SONY TA-F770ES
  48. belles 150a ref v2
  49. Technics SU-Z25
  50. Denon PRA-1500 input selector problem fixed
  51. PA protect-need help how add thermo protect with NTC
  52. Parasound 2125 2 channel power amp problem Update!
  53. How do I determine total op amp current?
  54. Flat screen tv
  55. Capacitor help - Quad 303
  56. two amp in hafler's sound system?
  57. Adcom GFA-555 II issue...
  58. Harman Kardon A-401 Treble Hissing Problem
  59. Something fancy!
  60. Adding Pre out Denon PMA-1080R
  61. ARCAM Bi-Amping tripping relay
  62. Speaker damping when amp biased off
  63. How to optimize this CFA?
  64. Nakamichi TA-2A Repair Advice
  65. SNR from noise density
  66. line level btwn PC headphone and integrated amp AUX input.
  67. Help connection for Phase Measurement
  68. custom meter face software for mac
  69. Sansui 5000A Buzzzzz
  70. Technics SA-410 Relay
  71. Discrete components based amp vs Chip amps, which is easier to achieve for n00bs ?
  72. Help for newbie with dead Nad 3130 please
  73. input capacitors, frequency response
  74. Amplifier kit recommendations.
  75. TO 3 failure on vibration
  76. amplifier input modification
  77. What's the magic of 2N5551 / 2N5401?
  78. Jim Roberge
  79. One channel periodically quieter until large signal, then it recovers...
  80. servo and distortion
  81. tda 2030 + power transistors
  82. Alesis RA150 burns power resistor
  83. electrostatic SHIELD
  84. Transistor
  85. Amp help Hitachi HMA-8300 Series E
  86. Can I make it better?
  87. Kenwood soverign vr-5700 expertise needed
  88. Crown DC300A Repair/Restore
  89. Distortion in low resistance wirewound resistors
  90. Selecting PSU caps
  91. Feedback, differential? the next advance.
  92. Naim Statement
  93. Regarding terminal blocks
  94. Looking for Cello Performance schematics
  95. Faulty Sansui AU101 speaker switch
  96. Do you like Gain-One Amplifier?
  97. Can't find a replacement LED for my Preamp: any ideas Please?
  98. Capacitor replacement - Sherwood
  99. Need schematic for 40W Amplifier with good sound quality that works on +-36V DC Max
  100. Quad 303 PSU caps mounting
  101. Input selector knob not working (Kenwood KR-5030)
  102. Sansui BA2000 Weak Signal Dropout
  103. Kenwood KM 105 does not click safety relay
  104. Which one of these amps should I purchase?
  105. amplifiacator 2 ways
  106. Alto Macro 2400 Amp
  107. Adcom GFA-5802 DC Offset and bias help needed
  108. XHS - Xtra High Speed Design
  109. NAD 1155 pre and 2200 power amp
  110. Quick UCD700HG question
  111. Stereo amp with 2 rca outputs?
  112. VU meter question
  113. MBR1045 Schottky Diode Help
  114. Focal Maestro Utopia , matching Amp , need your advice
  115. my diy arcam fmj 32 amp mod
  116. Please Help.
  117. Arcam Alpha 8 hum and other issues
  118. Replacement for PAC010A IC
  119. Help with Sansui AU-4400
  120. Onkyo DTR 5.6 problems...
  121. Pioneer VSX_D209 Power IC
  122. VSSA Through-Hole Version by Jason
  123. Weirdest faults.
  124. Transformer question for amp supply
  125. Need help about a double boot strap amp
  126. New Zero Feedback concept
  127. Can Velleman 7W amp be bridged?
  128. Building from a pair of MA-9S2 boards, first project
  129. Home theater reciever with digital in analog out
  130. Overal NFB amount
  131. Qubert current feedback amplifier
  132. sony 1000w xm 1852
  133. First Project
  134. Crossover/ preamp for active subwoofer help
  135. Push-Pull vs. Single-Ended in Class A Operation
  136. ODYNA power amplifier
  137. building an ideal amplifier
  138. Bloody expensive 7-channel Subsonic filter
  139. Adcom GFA-5802 Question
  140. NAD C372 to restore or not
  141. Inclusion of reservoir caps on amplifier's PCB
  142. Faulty Harman Kardon AVR 230
  143. PowerAmp Pio 7-channel Project
  144. new scrap amp
  145. Yamaha cr 1040
  146. OPA445 - Alternatives available?
  147. Legend stage master adjustments (first time run)
  148. BIAS Measuring of MOSFET output transistors
  149. Scavinging
  150. Rotel RA-820BX3
  151. fFinding Wade Stewart
  152. Slewmaster - CFA vs. VFA "Rumble"
  153. 2sk1058 replacement with ALF16N20W?
  154. 63vdc ouput on Carvin R600
  155. Shorted My Amp Out
  156. Humming sound after blown fuse
  157. Leach Amp Clone Gerber Files
  158. Help Please :( Marantz PM80 mkII
  159. My tablet in car installation
  160. 2nd amp from scratch: Low NFB- FET front end - BJT OPS
  161. Question about Marantz 2130 tuner
  162. Mccormack DNA-1 R1 input circuit board bad
  163. Maplin catalogues through the ages.
  164. ward beck m621. 20w broadcast amp opinions
  165. Chevin A1000 Refurbishment
  166. eBay Amp 650W AB Class - Someone Try It ?
  167. Push pull class A bias current vs. noise, is there an optimal compromise?
  168. MosfetAudio MP50Di design
  169. Scintilla Mod for SS AMps
  170. icb amp - the excellence in your hands
  171. Audio amplifier vith ecc82(12au7)
  172. A miniture LME49811 amp PCB.
  173. Ebay amps, need a bit advice..
  174. Pick a sub for amp 200/300rms
  175. A/B Test setup
  176. Hum and possible overvoltage damage
  177. Help need protection circuit for this amp
  178. LM353 substitutes?
  179. My first amp, protection
  180. Pairing transistors
  181. Repairing a Denon DMA-1560
  182. Naim Nait 5i Bypass issue
  183. Sherwood AD-2220 CP Please Help!!
  184. Yamaha cr 1040
  185. Does someone have Gary Pimms battery bias CCS pcb files
  186. Look like?
  187. Legend Stagemaster 250W Problem
  188. When is time to recap vintage amp?
  189. Amplifier stability and feedback
  190. Kit Modification from EBay
  191. Will a bad TDA2030 still function partially?
  192. NEETS Module One Question Calculating Ohms
  193. CFP Output stage crossover glitches
  194. Short CircuitProtection CIrcuit for AB amp
  195. Help with first SS amp
  196. Generating a 1 KHz sine at 10mvrms
  197. Protection Relay Closes Too Fast on Sansui G-7000 Receiver
  198. Amp pcb with on board power supply!
  199. Mackie 1642-vlz3
  200. Help: Noise from one channel during startup
  201. Volume control for A/B amp comparison
  202. Murray/sandman amplifier: mosfet version
  203. JLH Class A newbie question.
  204. Questions about amplification classes
  205. 1965 Realistic AX-100
  206. Mark Levinson ML1 line module
  207. Mackie 1642-vlz3 schematic
  208. 50W into 8 ohms amplifier
  209. Are all dual op amps of the same type 'the same'?
  210. Audio amplifier with uA741 and 2N3055/MJ2955
  211. TO-220 bjt recommendations, does it matter which type?
  212. Relay-Switched Balanced Volume Control
  213. Audiolab 8000M retrofit 12V tigger
  214. Building FETZILLA - Questions and Answers
  215. How to control volume on DIY Amplifier?
  216. cheap, simple 150w amplifier for sub
  217. Yamaha AX-550RS - toasted fuse reistors
  218. TDA7396 trouble!!!!!
  219. Ema - Three simple resistors
  220. One channel doesn't work but in mono it works
  221. Amplifier adaptation
  222. Krell KSA150 bias problem
  223. B&K AV5000 II schematic needed
  224. Simple low power amp to start
  225. my 10W POWER AMP. NEED HELP''
  226. Cambridge Audio 3Ai LED2 not lighting up
  227. No sound through preamp - Teac AX75mkII
  228. Speaker Protector for Harman Kardon PM640 wanted
  229. Phase margins in higher-order / nested loops
  230. SS noob questions
  231. Curious speaker cable interaction with Krell KSA amp
  232. Calculate Resistance from Z and Phase?
  233. Denon DVR890 - no digital audio - analog OK
  234. Linearity
  235. Difference attenuator? Sameness Amplifier?
  236. Sony STR-K700 receiver (no sound problem)
  237. Marantz MA500 chassis/cabinet grounding
  238. Amplifiers with protection all in one Circuit PCB
  239. Noisy Teac amplifier
  240. Get your power for nothing , and your amps for free ...
  241. How to design CFA amps?
  242. NAD 3020 (& related NAD output stages)
  243. Yamaha rx-v550 --- Help
  244. schematic needed
  245. Amplifier parameters calculation
  246. Issue with Marantz PM 66KI
  247. Need the schematic for the Electrohome M-U2250 amp
  248. Small Battery Powered Amp for Mic Level Input
  249. what to do with "beyond repair" receivers?
  250. grounded collector amp

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