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  1. Philips FR-70 power supply problem.
  2. fake transistors
  3. Problem with Adcom GFP-555II
  4. Arcam Alpha 3 Left Channel broken...
  5. no current mirror, current mirror, cascoded current mirror, bjt or jfet VAS?
  6. Luxman A-471-Schematic
  7. FL tube AAV7026-A
  8. Building a discrete OPamp
  9. hiss in preamp balanced output SSM2142
  10. Need help with Marantz transformers.
  11. Help Please Rx-v2700
  12. Modifications for Superphon Revelation Dual Mono
  13. Schematic for CambridgeAudio A3i
  14. biema 900W active sub repairs
  15. New to this! Please help!
  16. Opamp upgrade - compensation cap ?
  17. Yamaha M-4
  18. Good US source for 4700/6800uf audio capacitors?
  19. Where to start
  20. The New Hyper Balanced Amplifier
  21. NAD 1240 diagrams
  22. Hiraga 20w AB class search?
  23. 110v Transformers for 240v
  24. amplifier switching..
  25. which power transistor is btr?
  26. transfer function
  27. Standard SR-157SW
  28. Does anyone own a NVA unit?
  29. japan diy amp link
  30. amplifier testing
  31. Looking for discrete buffer circuits capable of several watts or so...
  32. Sound Card for Measurements
  33. I am looking for high-end amplifier
  34. nullator/norator amplifier theory
  35. Baxandall active tone control
  36. Melos M333 Schematic?
  37. Krell amp remote
  38. OPA627 Buffer Based Preamp
  39. nad c320
  40. Owners manual krell ksa 200 b
  41. sansui g-7500
  42. Why sound diferents?
  43. anyone seen this OPS before?
  44. Subbing 2SK389 for 2SK170
  45. Simple 12v gain stage
  46. Carver M500 power amp start up problems.
  47. Overload and Short Circuit Protection
  48. YET another relay attenuator question
  49. Looking for schematic for Adcom GFP-555 (not GFP-555II)
  50. symasim 5_3 into 4 ohms speaker
  51. Fan issue Adcom GFA-5800 bias too high?
  52. Help needed to fix channel Conrad Johnson Sonographe amp
  53. yamaha vx661 display fix
  54. Help with OpAmps frames & Sound Changes
  55. aussieamplifiers???
  56. Recycling Quad 405 PSU Cap cases
  57. Could use help modifying a DJ mixer.
  58. Single side version of JensRasmussen's Super Leach board / ground planes
  59. Dynaco ST-120 runs hot
  60. Adcom Gtp-500ii Fm Problem
  61. Clipping/Distortion in a Pioneer QX-4000 Receiver
  62. Line Array Eq, Coldamp Driver
  63. Adding a 12V power trigger switch to Electrocompaniet Power Amp
  64. Joshua Tree with CD player
  65. Ps. Caps For Parasound New Classic 2125 Amp
  66. how to voltage regulate
  67. Original schematic without feedback
  68. tuner schematic
  69. Polystyrene caps in a graphic equalizer
  70. Hiraga Monstre with SMPS?
  71. Multi-kilowatt blaster in development
  72. Tried new things on sysasim 5_3 amp
  73. Cyril Bateman's site
  74. need drivers to be faster than outputs (all bjt)?
  75. Stk3082
  76. Marantz 250M pre-driver equivalent?
  77. Hafler DH500 humm, internal wiring, and other questions
  78. compare the power transistor
  79. capcoder program
  80. 60V DC Preamp power supply Question
  81. i get hiss noise when the treble is turn up on high??
  82. inductor calculator
  83. four legged capacitors, where to get?
  84. My Dokorder is making Crackling Noise
  85. Nad C272
  86. what have i got??
  87. Parasound Classic 2125 power amp question
  88. Quadraflex schematics or s/m?
  89. WTB: NAD S300 Integrated Amplifier - Broken For Parts - Another EBay Horror Story
  90. The sound of dry capacitors?
  91. I want an solution amp.
  92. sunken 2SA1216/2SC2922
  93. SymAsym5_3 voltage-need help
  94. H|H Audio V800 Amplifier Information
  95. NAD T763 disassembly sequence
  96. Project 27- quick schematic question
  97. Phase Linear 400, SERIOUS AC!
  98. 4 ohm and 8 ohm Speakers
  99. 2sa1186/ 2sc2837
  100. Open Loop Gain Measurement? Fotios Need Help!
  101. SONY TA-F510R schema
  102. Carver pm1.5,1.5a,1200 differences
  103. MJL3281 / MJW3281 differences?
  104. Weak sound on L channel - Carver TFM 45 power amplifier
  105. Zobel Or No Zobel ?
  106. Biwiring cable
  107. use sony s-120a IC in place of ta-100w
  108. PS Capacitor lineup???
  109. Pioneer HT - worth fixing?
  110. using 2sc2922 and 2sa1216 power amp?
  111. Nigels new power amp design.
  112. buzzing transformers....
  113. nad 320
  114. Cleaning push switches on Tandberg TR2075?
  115. Cant find transistors!
  116. Help! Faulty Onkyo Integra TX-DS838
  117. marshall problems can anyone help
  118. The GR-25
  119. dodgy volume control
  120. Baxendale EQ
  121. J-4Fet
  122. i need help for uncle amp
  123. Loudspeaker protection circuit
  124. Airedale S900 amp help
  125. Capacitor Replacement - HELP PLEASE!
  126. hi quality tone control circuit
  127. Linkwitz "Transform" Circuit Help
  128. people who have constructed pa600
  129. remote control volume
  130. Zhaolu S60 stereo power amp
  131. Pioneer SX-1980 regulator
  132. Replacement for 4136CP
  133. Ben Duncan AMP-02 articles anyone?
  134. PSU capacitor replacement for Marantz MA-500 mono amps
  135. Questions re: component orientation for lowest noise?
  136. Philips 22AH578 - strange semiconductors
  137. 60 watt troubles
  138. 12vdc gain stage or preamp
  139. Inexpensive JFET Preamp
  140. kit /module psu
  141. Quad 405-2 Degraded Sound?
  142. Executive Audio Xs602
  143. Yamaha M80 meltdown -- HELP!!!!
  144. Rotel RB981 tweakidge
  145. Project 27 Capacitor Orientation
  146. nad3020
  147. Loudspeaker Relays
  148. CARVER M-0.5t DIAGRAMS
  149. Adcom versus Hafler
  150. Replacment XFMR for G & K 800RB Bass Amp
  151. Need help with Marantz power supply
  152. Low power BJT's
  153. Advice on new amplifier
  154. Current-Dumper
  155. Nad c300 and Hill DX700 schematics
  156. Hartke gt100
  157. Yamaha dsp a 1000 amp update
  158. yamaha dsp a1000 swiching on and off
  159. Robust Power Supply PCB suited to hi-quality amplifiers
  160. Dynaco st-120: I got a little screwed
  161. Variation on the JC-2 preamplifier
  162. Anyone familiar with Bel Canto Pre1?
  163. **Denon amp oscillating, need help**
  164. Effect on freq. compensation by substituting transistors?
  165. Suggestions for RIAA Filter Caps?
  166. Best transistor substitutes for Heathkit ar-15
  167. BASH 500 watt rack amp help to tweak
  168. Heathkit Ar-15 one channel weak
  169. Cyrus III intergrated amplifier
  170. Electronic Kinetics
  171. Duson A10 - help needed
  172. Numark Sa3000 - Anyone have schematic or service manual?
  173. My differential input 49830
  174. Help with BTL power requirements
  175. precision fidelity
  176. I'm guessing these PSU caps have had it?
  177. Basic Electronics Question
  178. Robert Grodinsky Research Pre & Power Amp info?
  179. 50 hz booster circuit for subwoofer
  180. Resistor Power Capacity
  181. RAS-300 Mosfet Amp.
  182. Onkyo TX-8511 Schematic Diagrams
  183. Pre-amp school project, critique me.
  184. parasound D/AS 1000 II question
  185. paralleling Sanken STD03P/N (SAP16etc.)
  186. what to build with MN2488+MP1620?
  187. Peavey PV1200 Schematics
  188. THD Total Harmonic Delusion?
  189. Different pre amp idea
  190. AMPs that DO sound Different??
  191. ground loop buzz problem
  192. 1000 Watt Sub Amp: Design / Build
  193. Executive Audio Xs402 Schematics ?
  194. RFC: fully floating buffer with OV protection and gain control
  195. Carver m1.0t problem
  196. The PINNACLE of Home Brew Amps - Or Not...
  197. Question on transformer
  198. Dick Smith Electronics AE8100 5.1 channel?
  199. Audio Research D115 meets the LM4702
  200. marantz PM-66SE
  201. looking for a diode...
  202. DH-500 +- 90- 100 volt Regualted power supplies
  203. Searching for subwoofer amp
  204. School project wm-61a question
  205. "Chippy chappy" amplifier
  206. Hafler 945 Preamp Issues
  207. JLH 15 Watt SE Amp
  208. Non-Clipping Amplifier
  209. thermal runaway problem
  210. Where to buy capacitors?
  211. Replacing Rectifier
  212. Muting relay problem
  213. AD797 guts
  214. LM7915 oscillation ?
  215. Background Noise (Hiss) -- How to Trace
  216. Parasound P/HP-850 Preamp Schematic Request
  217. Blown Peavey Supreme
  218. Phase linear 400 driver replacement
  219. Grounding one half of a bridged amp?
  220. Harman Kardon receiver amp copy (clon) ?
  221. Does anyone has the service manual / schematic for Denon PMA1060?
  222. Denon PMA 1060. Somethings really wrong
  223. Metering the IMD of EMU0404 with Multi-Instrument Pro-3
  224. Audio rightmark analyser
  225. Help for my Peavey PV8.5C
  226. Jeff Rowland Model 1
  227. multisim grr
  228. Another Offset problem...
  229. Vintage transistor sources
  230. question about elliot P3a Amp
  231. Why positive rail only??
  232. extremely odd hum problem
  233. My new Pre-amp from parts at least a year old! Can not beat Bugle for the price!
  234. Strange amplifier circuit - seeking information
  235. Replacing old pots
  236. Cyrus 2 power switch?
  237. GAS Thoebe Preamp
  238. Symasym5 modifid circuit
  239. Gemini XPM-900 - Burnt thing on my amp, what is it? *pics*
  240. question about mac2105
  241. amp in 2 boxes - grounding scheme?
  242. Ayre V3 proto topology for preamp?
  243. Battery powered XO?
  244. Op Amp gyrator oscillates
  245. Resistor wattage question
  246. Polytone Power Amp Oscillation
  247. Krell ksa 200
  248. JM Lab Electra SW-900
  249. Help. dead channel on GFA 555.
  250. suggestions for a studio monitor amplifier.

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