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  1. Musical Fidelity 308CR
  2. Help ID 2 transistors
  3. Symmetric Amp, Interesting Output Stage
  4. 50W BJT amplifier
  5. I need troubleshooting advice PLEASE
  6. HCA 1200 ii bias and output relays
  7. Analog VU meter driver
  8. TEC/TCC - economy class solid state amps - who know the genuine URL ?
  9. solid state with output transformer
  10. Marantz ESOTEC Series "Sm -10" (Ma-5) pure Class-A/AB Power Amp - Schematic wanted
  11. Where to get TO3PL thermal insulator pads?
  12. Diy Channelstrip
  13. HELP: new W1 mosfet amplifier 150w c.feedback
  14. Arcam Alpha 8 voltage issues
  15. Matching the IRFP240 9240? how many will be wasted in ratio?
  16. Marantz SR7002
  17. Subbing Trans
  18. Panasonic SB WA520 modified to PC surround
  19. 63vdc rails with two pairs OP devices?
  20. Adding line level outputs to an amp
  21. MArantz PM47 - repair help.
  22. Designing an amp protection board
  23. Volume pot repair
  24. Quick question on capacitor charge/discharge
  25. Denon goes to protection mode (flash red) when power on
  26. Can I use sanken 2SA2223/2SC6145?
  27. Graham Meynard - GM25W-A
  28. Grounding a vintage amplifier
  29. Understanding Class-B Tr Dissipation graph
  30. Yamaha m60 amp need help
  31. b&K St-140 schematic
  32. Cyrus 2 Repair....Dundee/Tayside
  33. musical fidelity P140 burning resistor
  34. Musical Fidelity SA470 (Pure Class-A) - Schematic wanted
  35. Pre-amp and compression
  36. NAD T752 - Fan noise
  37. Adcom 555 m-2 tweaks.
  38. JH-16 with, JH-100 Transport Schematics & adj.
  39. TUBE/MOSFET/BJT hibrid amp need help with mosfet/bjt section
  40. GT20D101 and GT20D201 eagle lbr file needed!
  41. Full digital stereo amplifier QLS QA100, any comments?
  42. How to model stability analysis of a linear regulator such as this?
  43. Nexgen Vishay Siliconix Gen4 Mosfets can they be used for audio?
  44. Need schematic or service manual for Primare A30.1
  45. Krell KSA-250 Output Transistors
  46. 100w to 1000w class ab
  47. Studiomaster 908 false overheat?
  48. Tube sound from a transistor amp, it's possible
  49. Help with stereo audio of Phono in Pioneer A80 amp
  50. Studio monitor amp design
  51. Bipolar capacitors for decoupling?
  52. SONY TA-F361R
  53. Home made amplifier!
  54. AKAI AM-u2 amplifier problem no output on speaker.
  55. What is this blue paint on old TO-92 Motorola parts??
  56. Sonographe SA-120 help needed
  57. QUAD 606 MKII vs 405 MK-I
  58. Need Help in Houston
  59. newbie amp question
  60. 200W class A psu considerations with IRF240
  61. Denon 1315r
  62. Sony TA-5650 - coupling caps
  63. Nakamichi SR-4A
  64. Circuit and PCB layout review will be appreciated
  65. Bose SoundDock II Review
  66. Computer Audio Setup
  67. 'Soft-on' a good idea?
  68. NAD T763 trouble
  69. Unity gain solid state buffer
  70. help needed!! marantz 2270 and 2330b
  71. Anyone ever modify a Panasonic SE-FX60 wireless rear speaker amplifier to work as a s
  72. Braun AM-FM Receiver Model R4 - Questions arround MCU
  73. Luxman R115/R117 Transitor swap question
  74. Pioneer VSX1020 like TGM1 ?
  75. help with reading transistor
  76. NAD 7250PE no service manual
  77. Phil's PRE_PCB Drawing
  78. calculate the transfer function
  79. Class AB input coupling cap question
  80. which one is best in sound quality 2sc5200 1943/ Sanken 2SA1216,2SC2922/ Sank std/sap
  81. Mismatched Bias Voltage in my Adcom GFA5500 Power Amp
  82. Noob easy to build class a
  83. Looking for Adcom GFA-5500 Power Amp Schematic
  84. Merry Seasonal Greetings Everyone!
  85. Theories on why most hybrid amps sound bad?
  86. Methodical and strategic Diagnosis
  87. Help to identify component
  88. TheTwelve SE class A TMC amplifier
  89. Help Fire - Need New Sub Amp
  90. Yamaha RX-V2600 does not power up
  91. Building a 400 watt amp from salvage
  92. Problem with HCA-2200II
  93. B&K M200 Monoblock Schematic
  94. solid state wishes
  95. Hooking up with TS to pro amps
  96. Marantz PM4400 potentiometer change
  97. Rotel RA-930BX
  98. Analog Circuit Design by D. Feucht. edition?
  99. Direct substitute for 2SD438 with 2SC1571?
  100. Leaving class A how to make this amp leave class A to AB when volume is increased?
  101. Sansui AU 517 F2722 PCB Fail
  102. Common emitter stage driving low hfe output stage
  103. Amplifiers for gig
  104. Marantz PM-57 tweaks and upgrades
  105. your input on this amplifier circui(su opinión respecto a este circuito amplificador)
  106. Hafler DH-110 Switches
  107. ISEM Antares amplifier
  108. Speaker protection/relays? Headphone bypass?
  109. how much class A power can be expected with a Pair of 2sc5200 1943 pair at +/-52V
  110. stuck on transistors again
  111. Source or replacement for 2SA968/2SA2238 ?
  112. Scheme to build a power amplifier on these components
  113. Sony N80ES supplemented parts
  114. Why these resistors
  115. Q: Solid Electrolyte Aluminium Capacitors in Signal Path
  116. Mystery amp: can anyone identify?
  117. Swing Electroimpex Amp Taiga W-1000A equipped with Hybrid Power Stage Sanken S-40W
  118. pioneer pd 95 cd plaier about 93
  119. How to get these spice models in to TINA TI?
  120. DC voltage at speaker output
  121. Looking for service manual
  122. DIY Soldermask for PCB
  123. Super Leach amp rebuild
  124. Quad 405-2
  125. Denon POA 6600A schematics
  126. Sumo Andromeda predriver advice
  127. Atention !! Marantz PM 17 series users
  128. Canadian 'Audio Design PA100' schematics needed
  129. Luxman - Early saturation on negative cycle
  130. 50K volume pot in place of a 20k volume pot?
  131. Crest CA6 PWR Amp - 240v to 120v conversion?
  132. Astin Trew AT-5000 clone
  133. Silicon Carbide (SiC) MOSFETs and BJTs available now !
  134. Best cost is no object darilington NPN's?
  135. 50W class A with LME49811?
  136. using .1 or .01uf for decoupling capacitor?
  137. Voltage Regulator for Class A/B Power Amplifier (not SMPS/SPS) - Pros and Cons
  138. Pioneer SX-5 Receiver - No FM
  139. LEAK T12 , Point one vs QUAD ?
  140. How to remove the front panel on a Harman Kardon 330B
  141. bjt jfet CFP diff input stage
  142. phase angle of a transfer function
  143. Building AMP - Help
  144. any Krell wizards ?
  145. Please, Toshiba SC-665 schematic wanted
  146. Bang-for-Buck, Readily available amp?
  147. Augmented Feedback Error Correction
  148. Spendor "RB-50" (RB50) Power Amplifier - images and schematic wanted
  149. Boostraping your op amp yields wide voltage swing
  150. 2Sj313 Spice Model
  151. capacitor advice- these caps OK?
  152. How do amplifier manufacturers come up with their wattage ratings?
  153. What does +3v3a mean in a schematic
  154. Nackamichi IA-3 Upgrde paths
  155. Rotel rb985 and soft start
  156. Harman kardon avr 7000 problems
  157. Problem with Rotel RA820BX4 - distortion in one channel
  158. 140 volt op-amp rail to rail
  159. insanely extreme high gain amplifier?
  160. SSM2220/SSM2212 for LTP/Mirror
  161. Cyrus 2 volume issue
  162. Denon AVR-4306 thermal shutdown
  163. 554mw from TO92 too much ??
  164. Power switch suppression cap type
  165. BIAMP TC120
  166. HELP!!!!!!!
  167. Overall noise, singnal to noise(db) & Distortion(%) obtain
  168. Yamaha P2250C protection relay
  169. help with QSC PLX1602
  170. Question on input dc blocking capacitors
  171. can the compensation capacitor value be reduced in this circuit?
  172. carver tfm-25 vs adcom gfa 555
  173. KSA50 clone--Mk1 or Mk2
  174. Luxman R117 Relay Issue
  175. Mosfet type?
  176. XLR free amp
  177. pioneer pd 95 year about 93 output stage
  178. does class A amp feel more powerful with same ratings compared to class AB?
  179. Help replacing volume pot
  180. Onkyo M508 Repair - Need 1.8V on Q435, Q437
  181. How to test d5sba20
  182. Help with bias adjustment.
  183. Sony TA-N80ES Replacement Parts Needed
  184. Amp for B&W 801 matrix
  185. Could some one help me with my Audiolabs 8200a?
  186. DE-SOLDERING CYRUS II / REPAINT
  187. Single MOSFET class A output amplifier
  188. Amp for B&W 801 and TV
  189. DIY 200 watt solid state monoblock power amplifier
  190. Purpose of giant capacitors in recievers.
  191. treshold dac 1e help for schematic analogue
  192. JLH Buffer - Homage to John Linsley Hood
  193. DW300 project - one HiFI Audio Amplifier that can run stable on 2 ohms
  194. how hot is too hot
  195. upgrade
  196. Germanium Amp
  197. Using a Caddock MP821 as an emitter resistor.
  198. Improving amplifier input stage
  199. Advantages of flat LF speaker impedance for amps
  200. Issue with TA1600
  201. Infinity OVTR 1 subwoofer amp
  202. Why do AC supplied systems perform better?
  203. Esoter Evoque Pure Amplifier
  204. 2SC2922 / 2SA1216 hfe rank mismatch
  205. fuse blow
  206. C-Audio RA3000 Blowing fuses
  207. a new low noise, HV Op Amp !
  208. Electrohome C-400
  209. Decoupling for battery based opamp circuits
  210. about schemes H/K citation 24 and Braun Atelier PA 4 (/ 2)
  211. Simple Feed Forward for Power Amp
  212. Emotive mini-X a-100 vs Dayton Audio APA150
  213. Newbie recap project seeks advice..
  214. Adcom GFA-5800 amplifier cooling fans
  215. Hafler 9505 switch needed
  216. Amplificador SUBZERO
  217. Son of Ampzilla rebuilt
  218. upgrading tivoli model one
  219. BIG transistors
  220. Another 80's british amp thread
  221. Yamaha M50 fixing or rebuild
  222. 250-400watt audio amplifier
  223. Parasound A31
  224. Question reg. Sansui Au-D5 mod
  225. Simple Universal Speaker Delay Using A Triac
  226. yamaha emx640 darlington amp repair
  227. The best Circuit of MJ11032,MJ11033 searching!
  228. Pioneer VSX-D557 Overload problem
  229. Soundstandard ES200 schematics anyone ??
  230. Playmaster Series 200 Circuit
  231. DC offset adj in JE990
  232. Korting Transmare A500 - vintage German amp, with issues!
  233. Tekko draws something from his head
  234. Vintage Toshiba 330 power amp problem, possible repair?
  235. Complementary Power MOSFETs
  236. Old class A design with 2SK146 dual JFET
  237. Balanced NoGNFB With Cross-Linked Input Stage
  238. MC2505 problem
  239. Bridging two 300W in 8 ohm amplifier to drive 1200W in 8 ohm
  240. Can a very simple class A amp produce great sound?
  241. you gotta be kidding !
  242. How to find the transfer function of this volume control?
  243. NAD C370 - red light
  244. Marantz SR1040 no output
  245. Mosfet question ( help needed )
  246. Trouble with Denon PMA-520 bias adjustment
  247. What is the importance of IQ in a common emitter stage?
  248. what is the role of the 68pf and 2200pf cap in Hiraga Super class A 30W
  249. Zero FeedBack Amp
  250. Motorola Solid State

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