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  1. Line Stage Preamp: need help eliminating nasty hum!
  2. ANUBIS - Another Tube-Transistor Hybrid Amplifier
  3. lGl-2, continuing "hybrid madness" - no GNFB class A
  4. Carver TFM-25 help
  5. Luxman L-410 Power AMP with Yamaha AX-1070 as Preamp connetion problem?
  6. Vincent SAV-P150 - suitable for 3-Amping ?
  7. Is this setup a cascode?
  8. Linn Intek mysterious problem
  9. How to adjust an offset voltage if there's no potentiometer?
  10. 2N3773/2N6609 based amplifier
  11. MARANTZ PM78 power caps replacing
  12. Luxman L-400; which are the coupling caps?
  13. Is there a BD139 equivalent which has a faster slew rate? ...
  14. Purpose of RC Circuit on Amp Outputs?
  15. Onix vs Cyrus vs Naim vs Ion Obelix
  16. J. Broskie N-Channel PP follower
  17. The Phase Mysticism
  18. Luxman r-1050 troubleshooting
  19. Cambridge Audio Azur 740A
  20. Denon PMA-560, TU-580RD, DCD-660
  21. Cambridge 540a
  22. Looking for a pot supplier (no, not that kind)
  23. Help with minor ground loop when both RCA connectors are grounded
  24. MISTRESS ultra performance power amplifier
  25. Can Anyone ID this Transistor For Me?
  26. Roland SPD 8
  27. Can I use a powered sub woofer with an amp via XLR?
  28. SlewMaster Builds
  29. Transistor insulators
  30. Hallmark CW120 Anyone Know Anything About It?
  31. Problem with a Fender MA6 Mixer Amplifier.
  32. Help with NAD L40
  33. Hiraga 30w a class help!
  34. Assemblage Power Amp
  35. To bypass or not to bypass the NFB capacitor?
  36. Pre-drivers, should they run hot? (Adcom GFA-555 II)
  37. luxman help
  38. SIMPSON
  39. MOSFET kits for bass guitar
  40. Rega Brio 3 Input Selector Faulty
  41. Nad 3020i Output feint and distorted
  42. Setting the gain of a Jeff Rowland Model 1
  43. Just starting the DIY thing, need advice
  44. rockford 200DSM amp problem
  45. Q: LED VU Meter Failure (Pr. Samson Servo 120 Amps)
  46. FET matching DN2535 Current Sink
  47. Whats the purpose of the 6n8 capacitor ?
  48. Einstein - The Amp from 90's schematic needed
  49. New here! What AMP do I need?
  50. Nad 214 muting circuit
  51. Cables: Quad pre- to Quantum power-
  52. linn kairn eprom chip setting
  53. Difference on Rega Elex and Mira 1
  54. German Translator Please
  55. Help fixing yamaha cr-1020
  56. How come "class AB" and "class B" are used seemingly interchangeably around the net?
  57. using .1uf at decoupling location any improvement with Multilayer Ceramic Capacitors?
  58. Cross-conduction with complimentary pairs
  59. Astor G17AD Radiogram schematic.
  60. Grounding arrangements for star ground
  61. of Bias, Load lines, and Distortion (Source Follower)
  62. Some questions
  63. Rane MA6S upgrade or replace
  64. Equivalent transistors Pioneer sx1010
  65. Choices diyAB (Honey Badger) and GB150D?
  66. My brother's Van Alstine stuff in Dynaco boxes
  67. Kenwood KA-7100 Problems
  68. Cheapest way/kit to measure distortion?
  69. Dutch members please help ...
  70. Will the sound changed if the transistors were changed ?
  71. My Blameless MkII
  72. lab gruppen driver stage
  73. Harmaon Kardon AVR 230
  74. Resistor Substitution Question.
  75. Adcom GFA 5400: Chinese vs. Japanese
  76. Need bias procedure & specs for Hafler Pro2400
  77. How to set bias for this amplifier ?
  78. Mackie M series, a little question.
  79. niles si-1230 12-ch amp
  80. internal amp replacement
  81. Strangest problem
  82. How To Adjust amplifier Bias Current?
  83. Coupling capacitors in dual supply design opamps
  84. sziklai stability issues
  85. Sony ta-n80es replacement transistors
  86. Marantz 19 Receiver Bias Problem.
  87. Output Inductor sonic degradation?
  88. 2SC2922 2SA1216 Power Amp
  89. Low TIM, low distortion hybrid front-end
  90. Problem with LM2577-ADJ
  91. Power amp for my old B&W DM603 S3
  92. Vre after setting bias pot in CFP output
  93. Technics SA-700 one channel dead
  94. Stereo Preamp buzzes when turned off but plugged in.
  95. IC Bias using LT1116
  96. Another solid state joke !
  97. Looking to power a say AD825 opamp, from a non ct transformer
  98. +/-40VDC from 32-0-32VAC schemetic
  99. Long term current limiting on load
  100. Output stage statistics
  101. Bridging without a switch... let's get DANGEROUS
  102. Pioneer PA1002(A) module
  103. In circuit testing?
  104. iPod/iPhone
  105. NAD 7000
  106. NAD 7225 Output problems
  107. Shindengeng SBD
  108. High power 1:1 isolation output transformer
  109. What about Model for Germanium Transistors
  110. NAD 7225 mods
  111. help a newbie please, marantz pm-40se
  112. Pioneer sx 1010 output transistors
  113. 2x40W JLH amp suddenly changes bias current
  114. Christmas tree bulbs for my Carver dial lights
  115. Harman Kardon Citation 19 (nineteen) needing some advice
  116. Yamaha amplifier crackling.
  117. Heathkit AR-14 lives!!! Well, sorta...
  118. Post your interest in a new 25-50W autoformer amp
  119. Adcom GFA555 problem
  120. Another ebay amp - FET
  121. zener diode selection - curious
  122. HEATHKIT AA32
  123. pro level mixer to consumer level reciever?
  124. output stage thermal stabilisation
  125. Help me identify this connection (Onkyo TX 3007)
  126. Harman Kardon AVR 430 shuts down
  127. Pioneer A400 variable balance issues
  128. QUAD 303
  129. All NMOS output amp
  130. Ampeg B2R with hf oscillation
  131. Adcom 555 and fumble finger me
  132. what is the output stage class for Dynacord L2400
  133. Zero Phase Power Amp
  134. Denon 3313 problems
  135. Quad 405 clone
  136. Hafler dh200 shorted q12
  137. Hitachi HA-250 Amp no output
  138. Marantz 4070 quadradial 4 Service manual.
  139. NAIM NAP 110 amp, high DC offset and mute channel
  140. whats so unique about Holmgren toroidal transformers with internal magnetic shielding
  141. 2SC3281/2SA1302 what amp?
  142. Maplin Mosfet Amplifier Ga28f construction thread
  143. marantz 1060 amp
  144. Trouble with a Heathkit AR-14
  145. Undersized caps, something to worry about?
  146. ATI 1805 or 1807
  147. input stage why did they do this
  148. SS amps with low heatsink requirements?
  149. Rebuild of power amplifiers
  150. looking for mel audio NEFESH II Amplifier Scheme
  151. Pick your brains
  152. Schematics of PS Audio PSIII and LCC
  153. More watts?
  154. Damping Factor of amps
  155. integrated amp kit
  156. Best choice: MPSA06/MPSA56; 8099/8599; 2SA1403/2SC3597?
  157. Adding capacitance on a luxman amp
  158. what are the diodes to be used in this class H amp circuit
  159. Suggestions for single & dual DIP-8 jfet input opamps?
  160. Daisy chain components ?
  161. Maplin 100w mosfet amplifier built from 1980 kit
  162. spectro acustics 500sr recap questions
  163. Reseating Old Transistors In Old Amplifiers?
  164. 1ss81 glass switching diode cross?
  165. Subwoofer preamp -PSU noise reduction?
  166. SS driver circuit / Enhanced OP-Amp
  167. Technics sux320 amp low tinny bass
  168. Service Manual Peavey CS400 Stereo
  169. Dayton Audio SA1000-no output
  170. Two new output stages. Have you seen before?
  171. Need help on LTSpice & circuit problem
  172. Greierasul
  173. Biasing Quattro DG250
  174. Amplifier For High Impedance Speaker
  175. Creek 4140 S2 schematic wanted
  176. Zobel network
  177. Diodes in Wires
  178. Amplifier Filters
  179. Good cap on regulator output !
  180. No Transformer in Supply = Madness?
  181. Bruno Putzey interview
  182. Pioneer a204R repair
  183. Rotel RA06
  184. Looking for Schematic for Technics SE-C01
  185. Help to fix Musical Fidelity A200
  186. Thoughts on this Amp ?
  187. Mature amp protection and question to Bonsai
  188. Different impedance speakers simultaneously?
  189. Parallel input transistors
  190. Honey Badger pcb's?
  191. What part of the pcb creation process causes these imperfections? (broken traces)
  192. who builds high pass filters these days?
  193. Bias Setting on ESP P101
  194. Diatone, Sansui, Victor, Technics, Lo-D, Exclusive/Pioneer and Luxman
  195. >> Looking for an amplifier for my DIATONE speaker <<
  196. Sony STR-DA1200es, lost its mojo....
  197. Bryston 2B LP recap advice
  198. thermalpaste choice
  199. Matched transistor pairs
  200. Bypass preamp notch filter
  201. Nad C325BEE
  202. CARVER AV-705x 5 Channel THX Amp RCA Input Jacks
  203. Balanced Schematics - GNFB Question
  204. How to calculate safe impedance level
  205. Help with part number please
  206. Denon AVR-3200
  207. Easy DIY Class-H using Class-AB&D in BTL
  208. 2sk1058 or Exicon lateral mosfets?
  209. not sure what this is
  210. Improvement in VAS
  211. DIY includes repair? NAD 3240PE advice needed...
  212. What amp could I build with 600VA 2x61V AC transformers?
  213. Tangent Amp50 - need help with power supply
  214. RC4558 I-mA max? non inverting
  215. 2SA1302 / 2SC3281 replacement
  216. ground bridge
  217. Some people loves a challenge ....
  218. how much bias you use for 2sc5200 1943 pair for class AB?
  219. Pros and Cons of MOSFET VAS
  220. Major RS 8020 schematic
  221. Unable to find upc1237 any sources please?
  222. Tapco J800
  223. Forte Model 1 hum
  224. Multichannel amplifier internal ground loop
  225. Improving LME49810 Amplifier by Using Cascode VAS
  226. Luxman M-120a intermittent problem
  227. Sony Str-db940
  228. DC coupled line preamp kit
  229. Classe DR-9 Big Bang Theory
  230. Replacing a PNP with a NPN in a output pair
  231. Onkyo M-504 no servo light
  232. Low noise regulators for 2014?
  233. How to convert 2sa &2sc transistors to current transistors??
  234. Strange transformer test results
  235. Audionics CC-2 with a buzz
  236. On-Board Guitar Pickup Preamp: Op-Amp Choice?
  237. A Low Distortion Amplifier Based on a "Tandem" Correction Scheme Powered by a Modifie
  238. Peavey Series 300 mixer/amp scehamtics
  239. Peavey Renown 112 schematics
  240. Low Noise opamps for 2014?
  241. VAS current limit for Blameless Amp
  242. 12V fan replace 24V?
  243. peavey pv2600 dc kick on power off
  244. need to build guitar pre-amp
  245. unstable DC offset
  246. 100W Class B amplifier project
  247. NAD 3240PE schematic - READABLE!
  248. Clipping indicator problems
  249. GFA 535 Input Sens & Preamp Output Voltage
  250. To reask a question that's been asked a million times, any harm in leaving your class

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