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  1. Opamp based graphic equalizer
  2. The Old Hum question
  3. Yamaha MX800 indicator lights
  4. problem with active allpass filter for time delay
  5. Have I wrecked my amp
  6. Myth Busters: 1000W amp is only twice as loud as a 100W amp
  7. Method of compensation of the gains
  8. Help me please, potentiometer problem
  9. output capacitor 'size'
  10. Treshold DAC1E schematic
  11. Question about input/output range for this opamp
  12. Blowing 1n4001 diodes after switching power supply on
  13. CAMBRIDGE AZUR 640R recaping signal Caps help needed
  14. Parallelling torodial transformer output for full output power
  15. In a series pass voltage regulator, where should the fuse be placed?
  16. cambridge audio c500 and p500 help
  17. how close IRFP240-IRFP9240 to be matched?cons in mismatching..
  18. pre-ampli for my Pass xa 160.5
  19. my 900 w power amplifier
  20. Rega Brio resistor question
  21. Bias, not same output etc .... Pls help
  22. Nakamichi PA-7 output current testing
  23. Father of the JFET
  24. Onkyo M504 Opamp upgrade
  25. Nmos 200 problem
  26. Darlington output transistor hunting..
  27. Tri-amp help
  28. Musical Fidelity 308CR
  29. Help ID 2 transistors
  30. Symmetric Amp, Interesting Output Stage
  31. 50W BJT amplifier
  32. I need troubleshooting advice PLEASE
  33. HCA 1200 ii bias and output relays
  34. Analog VU meter driver
  35. TEC/TCC - economy class solid state amps - who know the genuine URL ?
  36. solid state with output transformer
  37. Marantz ESOTEC Series "Sm -10" (Ma-5) pure Class-A/AB Power Amp - Schematic wanted
  38. Where to get TO3PL thermal insulator pads?
  39. Diy Channelstrip
  40. HELP: new W1 mosfet amplifier 150w c.feedback
  41. Arcam Alpha 8 voltage issues
  42. Matching the IRFP240 9240? how many will be wasted in ratio?
  43. Marantz SR7002
  44. Odd "charging" noise in guitar preamp
  45. Subbing Trans
  46. Panasonic SB WA520 modified to PC surround
  47. 63vdc rails with two pairs OP devices?
  48. Adding line level outputs to an amp
  49. MArantz PM47 - repair help.
  50. Designing an amp protection board
  51. Volume pot repair
  52. Quick question on capacitor charge/discharge
  53. Denon goes to protection mode (flash red) when power on
  54. Can I use sanken 2SA2223/2SC6145?
  55. Graham Meynard - GM25W-A
  56. Grounding a vintage amplifier
  57. Understanding Class-B Tr Dissipation graph
  58. Yamaha m60 amp need help
  59. b&K St-140 schematic
  60. Cyrus 2 Repair....Dundee/Tayside
  61. musical fidelity P140 burning resistor
  62. Musical Fidelity SA470 (Pure Class-A) - Schematic wanted
  63. Pre-amp and compression
  64. NAD T752 - Fan noise
  65. Adcom 555 m-2 tweaks.
  66. JH-16 with, JH-100 Transport Schematics & adj.
  67. TUBE/MOSFET/BJT hibrid amp need help with mosfet/bjt section
  68. GT20D101 and GT20D201 eagle lbr file needed!
  69. Full digital stereo amplifier QLS QA100, any comments?
  70. How to model stability analysis of a linear regulator such as this?
  71. Nexgen Vishay Siliconix Gen4 Mosfets can they be used for audio?
  72. Need schematic or service manual for Primare A30.1
  73. Krell KSA-250 Output Transistors
  74. 100w to 1000w class ab
  75. Studiomaster 908 false overheat?
  76. Tube sound from a transistor amp, it's possible
  77. Help with stereo audio of Phono in Pioneer A80 amp
  78. Studio monitor amp design
  79. Bipolar capacitors for decoupling?
  80. SONY TA-F361R
  81. Home made amplifier!
  82. AKAI AM-u2 amplifier problem no output on speaker.
  83. What is this blue paint on old TO-92 Motorola parts??
  84. Sonographe SA-120 help needed
  85. QUAD 606 MKII vs 405 MK-I
  86. Need Help in Houston
  87. newbie amp question
  88. 200W class A psu considerations with IRF240
  89. Denon 1315r
  90. Sony TA-5650 - coupling caps
  91. Nakamichi SR-4A
  92. Circuit and PCB layout review will be appreciated
  93. Bose SoundDock II Review
  94. Computer Audio Setup
  95. 'Soft-on' a good idea?
  96. NAD T763 trouble
  97. Unity gain solid state buffer
  98. help needed!! marantz 2270 and 2330b
  99. Anyone ever modify a Panasonic SE-FX60 wireless rear speaker amplifier to work as a s
  100. Braun AM-FM Receiver Model R4 - Questions arround MCU
  101. Luxman R115/R117 Transitor swap question
  102. Pioneer VSX1020 like TGM1 ?
  103. help with reading transistor
  104. NAD 7250PE no service manual
  105. Phil's PRE_PCB Drawing
  106. calculate the transfer function
  107. Class AB input coupling cap question
  108. which one is best in sound quality 2sc5200 1943/ Sanken 2SA1216,2SC2922/ Sank std/sap
  109. Mismatched Bias Voltage in my Adcom GFA5500 Power Amp
  110. Noob easy to build class a
  111. Looking for Adcom GFA-5500 Power Amp Schematic
  112. Merry Seasonal Greetings Everyone!
  113. Theories on why most hybrid amps sound bad?
  114. Methodical and strategic Diagnosis
  115. Help to identify component
  116. TheTwelve SE class A TMC amplifier
  117. Help Fire - Need New Sub Amp
  118. Yamaha RX-V2600 does not power up
  119. Building a 400 watt amp from salvage
  120. Problem with HCA-2200II
  121. B&K M200 Monoblock Schematic
  122. solid state wishes
  123. Hooking up with TS to pro amps
  124. Marantz PM4400 potentiometer change
  125. Rotel RA-930BX
  126. Analog Circuit Design by D. Feucht. edition?
  127. Direct substitute for 2SD438 with 2SC1571?
  128. Leaving class A how to make this amp leave class A to AB when volume is increased?
  129. Sansui AU 517 F2722 PCB Fail
  130. Common emitter stage driving low hfe output stage
  131. Amplifiers for gig
  132. Marantz PM-57 tweaks and upgrades
  133. your input on this amplifier circui(su opinión respecto a este circuito amplificador)
  134. Hafler DH-110 Switches
  135. ISEM Antares amplifier
  136. Speaker protection/relays? Headphone bypass?
  137. how much class A power can be expected with a Pair of 2sc5200 1943 pair at +/-52V
  138. stuck on transistors again
  139. Source or replacement for 2SA968/2SA2238 ?
  140. Scheme to build a power amplifier on these components
  141. Sony N80ES supplemented parts
  142. Why these resistors
  143. Q: Solid Electrolyte Aluminium Capacitors in Signal Path
  144. Mystery amp: can anyone identify?
  145. Swing Electroimpex Amp Taiga W-1000A equipped with Hybrid Power Stage Sanken S-40W
  146. pioneer pd 95 cd plaier about 93
  147. Replacement Marshall Pots
  148. How to get these spice models in to TINA TI?
  149. DC voltage at speaker output
  150. Looking for service manual
  151. DIY Soldermask for PCB
  152. Super Leach amp rebuild
  153. Quad 405-2
  154. Denon POA 6600A schematics
  155. Sumo Andromeda predriver advice
  156. Atention !! Marantz PM 17 series users
  157. Canadian 'Audio Design PA100' schematics needed
  158. Luxman - Early saturation on negative cycle
  159. 50K volume pot in place of a 20k volume pot?
  160. Crest CA6 PWR Amp - 240v to 120v conversion?
  161. Astin Trew AT-5000 clone
  162. Silicon Carbide (SiC) MOSFETs and BJTs available now !
  163. Best cost is no object darilington NPN's?
  164. 50W class A with LME49811?
  165. using .1 or .01uf for decoupling capacitor?
  166. Voltage Regulator for Class A/B Power Amplifier (not SMPS/SPS) - Pros and Cons
  167. Pioneer SX-5 Receiver - No FM
  168. LEAK T12 , Point one vs QUAD ?
  169. How to remove the front panel on a Harman Kardon 330B
  170. bjt jfet CFP diff input stage
  171. phase angle of a transfer function
  172. Building AMP - Help
  173. any Krell wizards ?
  174. Please, Toshiba SC-665 schematic wanted
  175. Bang-for-Buck, Readily available amp?
  176. Augmented Feedback Error Correction
  177. Spendor "RB-50" (RB50) Power Amplifier - images and schematic wanted
  178. Boostraping your op amp yields wide voltage swing
  179. 2Sj313 Spice Model
  180. capacitor advice- these caps OK?
  181. How do amplifier manufacturers come up with their wattage ratings?
  182. What does +3v3a mean in a schematic
  183. Nackamichi IA-3 Upgrde paths
  184. Rotel rb985 and soft start
  185. Harman kardon avr 7000 problems
  186. Problem with Rotel RA820BX4 - distortion in one channel
  187. 140 volt op-amp rail to rail
  188. insanely extreme high gain amplifier?
  189. SSM2220/SSM2212 for LTP/Mirror
  190. Cyrus 2 volume issue
  191. Denon AVR-4306 thermal shutdown
  192. 554mw from TO92 too much ??
  193. Power switch suppression cap type
  194. BIAMP TC120
  195. HELP!!!!!!!
  196. Overall noise, singnal to noise(db) & Distortion(%) obtain
  197. Yamaha P2250C protection relay
  198. help with QSC PLX1602
  199. Question on input dc blocking capacitors
  200. can the compensation capacitor value be reduced in this circuit?
  201. carver tfm-25 vs adcom gfa 555
  202. KSA50 clone--Mk1 or Mk2
  203. Luxman R117 Relay Issue
  204. Mosfet type?
  205. XLR free amp
  206. pioneer pd 95 year about 93 output stage
  207. does class A amp feel more powerful with same ratings compared to class AB?
  208. Help replacing volume pot
  209. Onkyo M508 Repair - Need 1.8V on Q435, Q437
  210. How to test d5sba20
  211. Help with bias adjustment.
  212. Sony TA-N80ES Replacement Parts Needed
  213. Amp for B&W 801 matrix
  214. Could some one help me with my Audiolabs 8200a?
  215. DE-SOLDERING CYRUS II / REPAINT
  216. Single MOSFET class A output amplifier
  217. Amp for B&W 801 and TV
  218. DIY 200 watt solid state monoblock power amplifier
  219. Purpose of giant capacitors in recievers.
  220. treshold dac 1e help for schematic analogue
  221. JLH Buffer - Homage to John Linsley Hood
  222. DW300 project - one HiFI Audio Amplifier that can run stable on 2 ohms
  223. how hot is too hot
  224. upgrade
  225. Germanium Amp
  226. Using a Caddock MP821 as an emitter resistor.
  227. Improving amplifier input stage
  228. Advantages of flat LF speaker impedance for amps
  229. Issue with TA1600
  230. Infinity OVTR 1 subwoofer amp
  231. Why do AC supplied systems perform better?
  232. Esoter Evoque Pure Amplifier
  233. 2SC2922 / 2SA1216 hfe rank mismatch
  234. fuse blow
  235. C-Audio RA3000 Blowing fuses
  236. a new low noise, HV Op Amp !
  237. Electrohome C-400
  238. Decoupling for battery based opamp circuits
  239. about schemes H/K citation 24 and Braun Atelier PA 4 (/ 2)
  240. Simple Feed Forward for Power Amp
  241. Emotive mini-X a-100 vs Dayton Audio APA150
  242. Newbie recap project seeks advice..
  243. Adcom GFA-5800 amplifier cooling fans
  244. Hafler 9505 switch needed
  245. Amplificador SUBZERO
  246. Son of Ampzilla rebuilt
  247. upgrading tivoli model one
  248. BIG transistors
  249. Another 80's british amp thread
  250. Yamaha M50 fixing or rebuild

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