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  1. Father of the JFET
  2. Onkyo M504 Opamp upgrade
  3. Nmos 200 problem
  4. Darlington output transistor hunting..
  5. Tri-amp help
  6. Musical Fidelity 308CR
  7. Help ID 2 transistors
  8. Symmetric Amp, Interesting Output Stage
  9. 50W BJT amplifier
  10. I need troubleshooting advice PLEASE
  11. HCA 1200 ii bias and output relays
  12. Analog VU meter driver
  13. TEC/TCC - economy class solid state amps - who know the genuine URL ?
  14. solid state with output transformer
  15. Marantz ESOTEC Series "Sm -10" (Ma-5) pure Class-A/AB Power Amp - Schematic wanted
  16. Where to get TO3PL thermal insulator pads?
  17. Diy Channelstrip
  18. HELP: new W1 mosfet amplifier 150w c.feedback
  19. Arcam Alpha 8 voltage issues
  20. Matching the IRFP240 9240? how many will be wasted in ratio?
  21. Marantz SR7002
  22. Odd "charging" noise in guitar preamp
  23. Subbing Trans
  24. Panasonic SB WA520 modified to PC surround
  25. 63vdc rails with two pairs OP devices?
  26. Adding line level outputs to an amp
  27. MArantz PM47 - repair help.
  28. Designing an amp protection board
  29. Volume pot repair
  30. Quick question on capacitor charge/discharge
  31. Denon goes to protection mode (flash red) when power on
  32. Can I use sanken 2SA2223/2SC6145?
  33. Graham Meynard - GM25W-A
  34. Grounding a vintage amplifier
  35. Understanding Class-B Tr Dissipation graph
  36. Yamaha m60 amp need help
  37. b&K St-140 schematic
  38. Cyrus 2 Repair....Dundee/Tayside
  39. musical fidelity P140 burning resistor
  40. Musical Fidelity SA470 (Pure Class-A) - Schematic wanted
  41. Pre-amp and compression
  42. NAD T752 - Fan noise
  43. Adcom 555 m-2 tweaks.
  44. JH-16 with, JH-100 Transport Schematics & adj.
  45. TUBE/MOSFET/BJT hibrid amp need help with mosfet/bjt section
  46. GT20D101 and GT20D201 eagle lbr file needed!
  47. Full digital stereo amplifier QLS QA100, any comments?
  48. How to model stability analysis of a linear regulator such as this?
  49. Nexgen Vishay Siliconix Gen4 Mosfets can they be used for audio?
  50. Need schematic or service manual for Primare A30.1
  51. Krell KSA-250 Output Transistors
  52. 100w to 1000w class ab
  53. Studiomaster 908 false overheat?
  54. Tube sound from a transistor amp, it's possible
  55. Help with stereo audio of Phono in Pioneer A80 amp
  56. Studio monitor amp design
  57. Bipolar capacitors for decoupling?
  58. SONY TA-F361R
  59. Home made amplifier!
  60. AKAI AM-u2 amplifier problem no output on speaker.
  61. What is this blue paint on old TO-92 Motorola parts??
  62. Sonographe SA-120 help needed
  63. QUAD 606 MKII vs 405 MK-I
  64. Need Help in Houston
  65. newbie amp question
  66. 200W class A psu considerations with IRF240
  67. Denon 1315r
  68. Sony TA-5650 - coupling caps
  69. Nakamichi SR-4A
  70. Circuit and PCB layout review will be appreciated
  71. Bose SoundDock II Review
  72. Computer Audio Setup
  73. 'Soft-on' a good idea?
  74. NAD T763 trouble
  75. Unity gain solid state buffer
  76. help needed!! marantz 2270 and 2330b
  77. Anyone ever modify a Panasonic SE-FX60 wireless rear speaker amplifier to work as a s
  78. Braun AM-FM Receiver Model R4 - Questions arround MCU
  79. Luxman R115/R117 Transitor swap question
  80. Pioneer VSX1020 like TGM1 ?
  81. help with reading transistor
  82. NAD 7250PE no service manual
  83. Phil's PRE_PCB Drawing
  84. calculate the transfer function
  85. Class AB input coupling cap question
  86. which one is best in sound quality 2sc5200 1943/ Sanken 2SA1216,2SC2922/ Sank std/sap
  87. Mismatched Bias Voltage in my Adcom GFA5500 Power Amp
  88. Noob easy to build class a
  89. Looking for Adcom GFA-5500 Power Amp Schematic
  90. Merry Seasonal Greetings Everyone!
  91. Theories on why most hybrid amps sound bad?
  92. Methodical and strategic Diagnosis
  93. Help to identify component
  94. TheTwelve SE class A TMC amplifier
  95. Help Fire - Need New Sub Amp
  96. Yamaha RX-V2600 does not power up
  97. Building a 400 watt amp from salvage
  98. Problem with HCA-2200II
  99. B&K M200 Monoblock Schematic
  100. solid state wishes
  101. Hooking up with TS to pro amps
  102. Marantz PM4400 potentiometer change
  103. Rotel RA-930BX
  104. Analog Circuit Design by D. Feucht. edition?
  105. Direct substitute for 2SD438 with 2SC1571?
  106. Leaving class A how to make this amp leave class A to AB when volume is increased?
  107. Sansui AU 517 F2722 PCB Fail
  108. Common emitter stage driving low hfe output stage
  109. Amplifiers for gig
  110. Marantz PM-57 tweaks and upgrades
  111. your input on this amplifier circui(su opinión respecto a este circuito amplificador)
  112. Hafler DH-110 Switches
  113. ISEM Antares amplifier
  114. Speaker protection/relays? Headphone bypass?
  115. how much class A power can be expected with a Pair of 2sc5200 1943 pair at +/-52V
  116. stuck on transistors again
  117. Source or replacement for 2SA968/2SA2238 ?
  118. Scheme to build a power amplifier on these components
  119. Sony N80ES supplemented parts
  120. Why these resistors
  121. Q: Solid Electrolyte Aluminium Capacitors in Signal Path
  122. Mystery amp: can anyone identify?
  123. Swing Electroimpex Amp Taiga W-1000A equipped with Hybrid Power Stage Sanken S-40W
  124. pioneer pd 95 cd plaier about 93
  125. Replacement Marshall Pots
  126. How to get these spice models in to TINA TI?
  127. DC voltage at speaker output
  128. Looking for service manual
  129. DIY Soldermask for PCB
  130. Super Leach amp rebuild
  131. Quad 405-2
  132. Denon POA 6600A schematics
  133. Sumo Andromeda predriver advice
  134. Atention !! Marantz PM 17 series users
  135. Canadian 'Audio Design PA100' schematics needed
  136. Luxman - Early saturation on negative cycle
  137. 50K volume pot in place of a 20k volume pot?
  138. Crest CA6 PWR Amp - 240v to 120v conversion?
  139. Astin Trew AT-5000 clone
  140. Silicon Carbide (SiC) MOSFETs and BJTs available now !
  141. Best cost is no object darilington NPN's?
  142. 50W class A with LME49811?
  143. using .1 or .01uf for decoupling capacitor?
  144. Voltage Regulator for Class A/B Power Amplifier (not SMPS/SPS) - Pros and Cons
  145. Pioneer SX-5 Receiver - No FM
  146. LEAK T12 , Point one vs QUAD ?
  147. How to remove the front panel on a Harman Kardon 330B
  148. bjt jfet CFP diff input stage
  149. phase angle of a transfer function
  150. Building AMP - Help
  151. any Krell wizards ?
  152. Please, Toshiba SC-665 schematic wanted
  153. Bang-for-Buck, Readily available amp?
  154. Augmented Feedback Error Correction
  155. Spendor "RB-50" (RB50) Power Amplifier - images and schematic wanted
  156. Boostraping your op amp yields wide voltage swing
  157. 2Sj313 Spice Model
  158. capacitor advice- these caps OK?
  159. How do amplifier manufacturers come up with their wattage ratings?
  160. What does +3v3a mean in a schematic
  161. Nackamichi IA-3 Upgrde paths
  162. Rotel rb985 and soft start
  163. Harman kardon avr 7000 problems
  164. Problem with Rotel RA820BX4 - distortion in one channel
  165. 140 volt op-amp rail to rail
  166. insanely extreme high gain amplifier?
  167. SSM2220/SSM2212 for LTP/Mirror
  168. Cyrus 2 volume issue
  169. Denon AVR-4306 thermal shutdown
  170. 554mw from TO92 too much ??
  171. Power switch suppression cap type
  172. BIAMP TC120
  173. HELP!!!!!!!
  174. Overall noise, singnal to noise(db) & Distortion(%) obtain
  175. Yamaha P2250C protection relay
  176. help with QSC PLX1602
  177. Question on input dc blocking capacitors
  178. can the compensation capacitor value be reduced in this circuit?
  179. carver tfm-25 vs adcom gfa 555
  180. KSA50 clone--Mk1 or Mk2
  181. Luxman R117 Relay Issue
  182. Mosfet type?
  183. XLR free amp
  184. pioneer pd 95 year about 93 output stage
  185. does class A amp feel more powerful with same ratings compared to class AB?
  186. Help replacing volume pot
  187. Onkyo M508 Repair - Need 1.8V on Q435, Q437
  188. How to test d5sba20
  189. Help with bias adjustment.
  190. Sony TA-N80ES Replacement Parts Needed
  191. Amp for B&W 801 matrix
  192. Could some one help me with my Audiolabs 8200a?
  193. DE-SOLDERING CYRUS II / REPAINT
  194. Single MOSFET class A output amplifier
  195. Amp for B&W 801 and TV
  196. DIY 200 watt solid state monoblock power amplifier
  197. Purpose of giant capacitors in recievers.
  198. treshold dac 1e help for schematic analogue
  199. JLH Buffer - Homage to John Linsley Hood
  200. DW300 project - one HiFI Audio Amplifier that can run stable on 2 ohms
  201. how hot is too hot
  202. upgrade
  203. Germanium Amp
  204. Using a Caddock MP821 as an emitter resistor.
  205. Improving amplifier input stage
  206. Advantages of flat LF speaker impedance for amps
  207. Issue with TA1600
  208. Infinity OVTR 1 subwoofer amp
  209. Why do AC supplied systems perform better?
  210. Esoter Evoque Pure Amplifier
  211. 2SC2922 / 2SA1216 hfe rank mismatch
  212. fuse blow
  213. C-Audio RA3000 Blowing fuses
  214. a new low noise, HV Op Amp !
  215. Electrohome C-400
  216. Decoupling for battery based opamp circuits
  217. about schemes H/K citation 24 and Braun Atelier PA 4 (/ 2)
  218. Simple Feed Forward for Power Amp
  219. Emotive mini-X a-100 vs Dayton Audio APA150
  220. Newbie recap project seeks advice..
  221. Adcom GFA-5800 amplifier cooling fans
  222. Hafler 9505 switch needed
  223. Amplificador SUBZERO
  224. Son of Ampzilla rebuilt
  225. upgrading tivoli model one
  226. BIG transistors
  227. Another 80's british amp thread
  228. Yamaha M50 fixing or rebuild
  229. 250-400watt audio amplifier
  230. Parasound A31
  231. Question reg. Sansui Au-D5 mod
  232. Simple Universal Speaker Delay Using A Triac
  233. yamaha emx640 darlington amp repair
  234. The best Circuit of MJ11032,MJ11033 searching!
  235. Pioneer VSX-D557 Overload problem
  236. Soundstandard ES200 schematics anyone ??
  237. Playmaster Series 200 Circuit
  238. DC offset adj in JE990
  239. Korting Transmare A500 - vintage German amp, with issues!
  240. Tekko draws something from his head
  241. Vintage Toshiba 330 power amp problem, possible repair?
  242. Complementary Power MOSFETs
  243. Old class A design with 2SK146 dual JFET
  244. Balanced NoGNFB With Cross-Linked Input Stage
  245. MC2505 problem
  246. Bridging two 300W in 8 ohm amplifier to drive 1200W in 8 ohm
  247. Can a very simple class A amp produce great sound?
  248. you gotta be kidding !
  249. How to find the transfer function of this volume control?
  250. NAD C370 - red light

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