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  1. Pleased to help pioneer a-006
  2. Aragon 4004 MK2 output replacements
  3. Denon DRA-300 - dead left channel
  4. Sansui 8080DB Recap gone haywire.
  5. Can Anyone Help?
  6. Trying to add pre-out/main in CA-410 Yamaha
  7. Adcom GFA 555 II keeps blowing the main line in fuse any ideas?
  8. Musical Fidelity Typhoon power amp
  9. Need Help on ML 331 18CV8 code
  10. Thule spirit IA100
  11. Dual Duty Audio Chair Project
  12. Sziklai buffer circuit: anyone seen this before?
  13. miller comp question
  14. Harman Kardon Restoration issue
  15. Best Cap Replacement For Parasound DR40
  16. Running on just the drivers
  17. Easy math question
  18. Compound OP-AMP
  19. HK 330A stereo lamp
  20. Poineer A-209R
  21. Help identify 20+ year old MOSFETs?
  22. NE5532 Issues
  23. HIRAGA LE CLASS A 30 W
  24. Amp draw, Class A vs AB, oh my?
  25. Grounding & Earthing connections
  26. DC offset issues - Help! - Dean GA40R
  27. Very high THD levels
  28. VAS power dissipation
  29. Differential VAS topology
  30. sx-Amp and nx-Amp
  31. stumped by distortion at moderate-high volume
  32. Quasi complementary OPS vs Complementary OPS
  33. STR-VA555ES quadraphonic mode
  34. Output transistor Re selection
  35. schematics amplifier skp max g 2400
  36. Soundstream DA-1 (Krell made) Repairs needed in Lexington KY
  37. Crown DC-300A II bandpass filter
  38. Bias Diode SV04F - Replacement through Vbe Multiplier (Sony TA-3650)
  39. DH-200/220 upgrade kit.
  40. Germanium to Silicon amp conversion
  41. Levinson ML-7A
  42. Fostex PM-1 Repairs Help Wanted ! Where is it ?
  43. Fostex PM-1 Repairs Help Wanted !
  44. dyna st 400
  45. Tivoli model one problem
  46. Amp + Crossover Recommendations?
  47. QSC Repair
  48. Mcintosh History
  49. Retro Amp 50W Single Supply
  50. Help troubleshooting AMP (DC protection)
  51. BUZ901/906
  52. Bad Crosstalk and RF interference Audio Innovations Alto amplifier
  53. 2SC5200 Power Amplifier
  54. LtSpice = Scruffy ?
  55. Tips for a New MKIII Hx build
  56. Dual O2-Inspired, SMT Headphone Amp
  57. cheap transistor Amp
  58. Stax CA-X -> CA-X Pro. Is it a crazy idea - or not?
  59. Biasing this SS amplifier (Trace-Elliot Super Tramp)
  60. AXL amp
  61. Amp comparable with “The Wire Amp”
  62. NAD C216 110v plugged in 220v
  63. help repair & modification to sony str k780
  64. JC-2 Clone +Vcc Problem...
  65. Amp design attempt number 2 (simpler)
  66. LUXMAN M-02 drivertransistors
  67. Troubleshooting a 3 Stage BJT Amp
  68. Dc offset
  69. Custom Console System
  70. le monstre input caps
  71. What parts do you use in a power amp or preamp?
  72. What FET to choose for HV source follower
  73. Hafler Dh200 What to do?
  74. Sony Receiver str-de805g one channel bad
  75. 1000W Simple PA Amplifier
  76. Transistor pre amp
  77. Krell KSA-150 DC adjustments
  78. Welded transformer stack- good, bad?
  79. Michael Kiwanuka's SOA PAper
  80. Amplifier with no speakers making sound
  81. cannot find circuit diagram for transistor
  82. Hiraga 20 w DC threat
  83. Stuck on Circuit Guitar Preamp LED mirror
  84. Reverse engineering a John Widgery Sondex/Radford SS amplifier.
  85. Randy Slone's multislope VI limiter
  86. Vintage Yamaha Pro amps - Cascoded sections
  87. Repairs for a B&K ST 140 amp
  88. Power Amplifier Circuit Topology according AD846
  89. power amplifier schema for use outdoor
  90. 2SK69 SPICE model?
  91. Opinions: Hypex vs. Holton
  92. Kenwood KA-405
  93. No NFB line amp (GainWire mk2)
  94. Wow & Flutter test 4 Amplifiers !
  95. Amp recommendation for wharfadale super 8 rs/dd
  96. Component Selection Help for DC Coupled Amp
  97. Getting rid of low level hum in Aragon 4004MKII
  98. Can someone assist me in understanding QSC's grounding scheme in their RMX amps?
  99. How is This Possible???
  100. hand making inductors
  101. Darlington VAS
  102. Kenwood KA-6100 BIAS issues
  103. Please help on Mark Levinson No 331 amp repair
  104. out door power amplifier
  105. Impedance matching in hybrid amp
  106. Asymmetrical Clipping in Modified JLH Output Stage
  107. Modifying Emitter Follower type I
  108. DIY tube alike sound, the magic coating....the hoax!
  109. Schematic for the amc 2n100-5 amp
  110. New type Zobel = <THD
  111. Class A 10W power amplifier - OPA2134+2N3055/MJ2955
  112. 2SA1145 Ltspice model
  113. Simple line buffer
  114. Differential VAS topology Bob Cordell based
  115. Chinese "Hitachi" mosfets
  116. Equivalent transistor to replace MJE243/253 pair
  117. Bob Cordell's Complementary IPS-VAS topology
  118. Amplifier can't drive 5,7 and 13 ohm loads
  119. Adcom power light goes out fast when powered down?
  120. Problems with amplifier MX50 SE
  121. attaching Vbe multiplier to heatsink
  122. Another question about driver bias
  123. EQU PWR OPA PROJECT
  124. Speaker IPOD Power Amplifier P2--- 6W
  125. Differential Amplifier Simulation???
  126. Compensate Amplifiers or Not ! & How best ?
  127. Mcintosh C28 Hum
  128. Which Technics is best
  129. Noob Question Re: Bridging Any Stereo to Mono
  130. Things to consider for the Plate Amplifier
  131. weird solid state problems
  132. Denon AVR-1709 intermittent protect
  133. The Mitronic PA100 2SJ50/2SK135 ready for test.
  134. Searching schematics C-Audio ST400
  135. an STK 30XX solution
  136. Small Head Amp Project
  137. GFA-535: Looking for troubleshooting help
  138. Current Drive for Loudspeakers
  139. Holfi Battriaa documentation wanted
  140. Need help with technics sa-tx50
  141. Are leds noisy ?
  142. 2stageEF high performance class AB power amp / 200W8R / 400W4R
  143. TPC vs TMC vs 'pure Cherry'
  144. Need help troubleshooting clone amp
  145. Square Buttons for NAD-3020
  146. Leach LMF-1 dead channel
  147. Low noise NPN with ECB(123) pinout
  148. Alesis RA300 Short
  149. Looking for a high end ss power amp kit
  150. Denon AVR1906 Repair
  151. P3A AC Calculating
  152. Hughes & Kettner Cream Machine
  153. A new hybrid concept: C-Vac
  154. ESp P3 amp on Cheap 150w amp board
  155. ESP P3A component recommendations
  156. Critique my first PCB routing attempt
  157. AR A-07 amp with ticking phono stage
  158. Jands 920 temp cut-out
  159. audiophile's project sourcebook
  160. LME49830 Project/Boards...
  161. How to wire MTM (or 2.5) woofers if 5 channels available & are doing active XO's??
  162. yamaha a-45 amp customising
  163. 3000W speakers amplifier required
  164. Front panel removal HK 330
  165. chord cmp2600 sounds really low on high volume
  166. PCB routing examples
  167. PCB track size and spacing
  168. Class AC
  169. Looking for DX Blame MK III PCB's
  170. Humming toriodal transformer....?
  171. PPI Precision Power a1200.2 repair?
  172. Sony TA-1130 diagram
  173. Newbie idiots advice please
  174. Denon PMA 737 schematic needed
  175. Used NAD 3060 or LM3886 stero kit?
  176. Super TMC
  177. Looking for some help with Adcom gfa-5503
  178. Luxman RX-102 AM Tuning Scale Problem
  179. Reasonably priced amplification for 4 way active crossover system?
  180. Resurrecting a defunct A3000
  181. Need Schematics for repair
  182. Best way to apply UV soldermask paint?
  183. Sony STR-DE415 loud pop noise when cold
  184. Overstock.com kl-2400
  185. "classless" amplifier simulation
  186. Discrete 35W kit vs LM1875
  187. VAS Biasing
  188. relay coil that heats.
  189. Heatsink Colour ?
  190. Thinking Inside the Box
  191. Popping in the Old Harman Kardon 930
  192. Need help fixing Hafler P505
  193. Silence from my amp
  194. Any Ideas on How to find a Radio Shack MPA@250 amp shematic?
  195. NAD PowerDrive ... How does it really work?
  196. Please help me solve my ground loop issues - Pics and layout attached.
  197. Some dumb rookie questions about output power
  198. Audiolab 8000A low volume from cd input than tuner input
  199. Virtual Ground (A Regulated Rail Splitter)
  200. Marantz pm57 distortion
  201. A DIY amp project to match my transformer?
  202. Enlighten me please. which amp?
  203. Super-complementary output stage
  204. the Golden Gain Ratio
  205. Jands series 920 bias setting?
  206. bias spreader bypass cap
  207. question about transistor package types
  208. Onkyo M-504 troubles - need some advice
  209. Bose 4401 pot
  210. FET drivers for BJT outputs?
  211. Electrocompaniet AW100 case
  212. I want to build a 1-2W class a amplifier for use in a 5,25" pc expansion slot
  213. B&K avr 507 blows fuses
  214. cyrus aca7.5 help
  215. Class A, 4 Watt, No Feedback, Simple Circuit, Great Sound
  216. help explain the current source behavior
  217. Need NAD 3020b service manual
  218. Quad 405 amplifier
  219. Trying to test Hafler dh-500 mosfets
  220. Repairing ElectroVoice CPS4 -- need schematic!!
  221. Noisy phono stage on vintage Pioneer SX-434
  222. LIN LK-85 SOUNDING TINNY AND FLAT
  223. Multiple feedback LP filter ?? Help??
  224. Dynaco PAT-4 input questions
  225. H/K AVI 200 & Sony STR-525 Amp Problem???
  226. DC Coupled amplifier capacitor vlaues
  227. How to measure/trigger/view low level 60/120hz hum?
  228. How did I blow this fisher BA6000
  229. What does the volume knob do - stupid newbie
  230. Stability analysis of EF output stages
  231. Good power amplifiers 6W---25W4R
  232. GNOSYS amplifier - Future come true
  233. The dark side of constant power amplifiers (and similar schemes)
  234. Help Transistor equivalents
  235. Luxman Amp problem.
  236. Snuber question
  237. Rega Elicit, need repair help.
  238. KENWOOD KA-7300 NOT SATISFIED
  239. good pre-amp for 300$
  240. Naim NAP90 - loud hum when no input connected
  241. Advice on choosing a new ~20W Project
  242. minimum inout circuit for testing
  243. Problem With Pioneer Receiver
  244. 2 Preamps on 1 PCB ?
  245. Recapping Quad 99 - simple question..
  246. AC coupled feedback
  247. OK it's late and I need to call it quits.
  248. Event 20/20 Bas
  249. Acousto-electro guitar amp - speakers impedance
  250. pa amp repair.

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