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  1. Heatsink Temp & Bias control idea
  2. hk 730
  3. Help with an OP-amp filter circuit from car amp
  4. Schemes of no-feedback amps
  5. Low power amp by adding current buffer to preamp
  6. Circuit diagram for a Sugden Optima 80
  7. Error in Adcom GFA-555ii Service manual
  8. Pioneer A-602R Capacitor replacement
  9. 185W trial Idea
  10. Critique my PCB (OPA1632 buffer/pre)
  11. TOA P912A Bias settings
  12. Help with Dynaco ST-150
  13. I need help with mosfet circuit
  14. Pioneer amply A- 006
  15. How to use TPC/TMC?
  16. TDA7293 x3 parallel mono_power supply
  17. Single supply class AB amp, with two outputs per channel, how much idle current?
  18. Troubles with 2sk1529/2sj200 amplifier
  19. Power amp trouble :(
  20. pole splitting with miller compensation
  21. Problem with sound
  22. irf 540
  23. Gain for 2 Way Bi-Amp
  24. Beomaster 5000 help!
  25. Distorted output on Yamaha PC2002M
  26. DIY amplifier measurements thread
  27. Pleased to help pioneer a-006
  28. Aragon 4004 MK2 output replacements
  29. Denon DRA-300 - dead left channel
  30. Sansui 8080DB Recap gone haywire.
  31. Can Anyone Help?
  32. Trying to add pre-out/main in CA-410 Yamaha
  33. Adcom GFA 555 II keeps blowing the main line in fuse any ideas?
  34. Musical Fidelity Typhoon power amp
  35. Need Help on ML 331 18CV8 code
  36. Thule spirit IA100
  37. Dual Duty Audio Chair Project
  38. Sziklai buffer circuit: anyone seen this before?
  39. miller comp question
  40. Harman Kardon Restoration issue
  41. Best Cap Replacement For Parasound DR40
  42. Running on just the drivers
  43. Easy math question
  44. Compound OP-AMP
  45. HK 330A stereo lamp
  46. Poineer A-209R
  47. Help identify 20+ year old MOSFETs?
  48. NE5532 Issues
  49. HIRAGA LE CLASS A 30 W
  50. Amp draw, Class A vs AB, oh my?
  51. Grounding & Earthing connections
  52. DC offset issues - Help! - Dean GA40R
  53. Very high THD levels
  54. VAS power dissipation
  55. Differential VAS topology
  56. sx-Amp and nx-Amp
  57. stumped by distortion at moderate-high volume
  58. Quasi complementary OPS vs Complementary OPS
  59. STR-VA555ES quadraphonic mode
  60. Output transistor Re selection
  61. schematics amplifier skp max g 2400
  62. Soundstream DA-1 (Krell made) Repairs needed in Lexington KY
  63. Crown DC-300A II bandpass filter
  64. Bias Diode SV04F - Replacement through Vbe Multiplier (Sony TA-3650)
  65. DH-200/220 upgrade kit.
  66. Germanium to Silicon amp conversion
  67. Levinson ML-7A
  68. Fostex PM-1 Repairs Help Wanted ! Where is it ?
  69. Fostex PM-1 Repairs Help Wanted !
  70. dyna st 400
  71. Tivoli model one problem
  72. Amp + Crossover Recommendations?
  73. QSC Repair
  74. Mcintosh History
  75. Retro Amp 50W Single Supply
  76. Help troubleshooting AMP (DC protection)
  77. BUZ901/906
  78. Bad Crosstalk and RF interference Audio Innovations Alto amplifier
  79. 2SC5200 Power Amplifier
  80. LtSpice = Scruffy ?
  81. Tips for a New MKIII Hx build
  82. Dual O2-Inspired, SMT Headphone Amp
  83. cheap transistor Amp
  84. Stax CA-X -> CA-X Pro. Is it a crazy idea - or not?
  85. Biasing this SS amplifier (Trace-Elliot Super Tramp)
  86. AXL amp
  87. Amp comparable with “The Wire Amp”
  88. NAD C216 110v plugged in 220v
  89. help repair & modification to sony str k780
  90. JC-2 Clone +Vcc Problem...
  91. Amp design attempt number 2 (simpler)
  92. LUXMAN M-02 drivertransistors
  93. Troubleshooting a 3 Stage BJT Amp
  94. Dc offset
  95. Custom Console System
  96. le monstre input caps
  97. What parts do you use in a power amp or preamp?
  98. What FET to choose for HV source follower
  99. Hafler Dh200 What to do?
  100. Sony Receiver str-de805g one channel bad
  101. 1000W Simple PA Amplifier
  102. Transistor pre amp
  103. Krell KSA-150 DC adjustments
  104. Welded transformer stack- good, bad?
  105. Michael Kiwanuka's SOA PAper
  106. Amplifier with no speakers making sound
  107. cannot find circuit diagram for transistor
  108. Hiraga 20 w DC threat
  109. Stuck on Circuit Guitar Preamp LED mirror
  110. Reverse engineering a John Widgery Sondex/Radford SS amplifier.
  111. Randy Slone's multislope VI limiter
  112. Vintage Yamaha Pro amps - Cascoded sections
  113. Repairs for a B&K ST 140 amp
  114. Power Amplifier Circuit Topology according AD846
  115. power amplifier schema for use outdoor
  116. 2SK69 SPICE model?
  117. Opinions: Hypex vs. Holton
  118. Kenwood KA-405
  119. No NFB line amp (GainWire mk2)
  120. Wow & Flutter test 4 Amplifiers !
  121. Amp recommendation for wharfadale super 8 rs/dd
  122. Component Selection Help for DC Coupled Amp
  123. Getting rid of low level hum in Aragon 4004MKII
  124. Can someone assist me in understanding QSC's grounding scheme in their RMX amps?
  125. How is This Possible???
  126. hand making inductors
  127. Darlington VAS
  128. Kenwood KA-6100 BIAS issues
  129. Please help on Mark Levinson No 331 amp repair
  130. out door power amplifier
  131. Impedance matching in hybrid amp
  132. Asymmetrical Clipping in Modified JLH Output Stage
  133. Modifying Emitter Follower type I
  134. DIY tube alike sound, the magic coating....the hoax!
  135. Schematic for the amc 2n100-5 amp
  136. New type Zobel = <THD
  137. Class A 10W power amplifier - OPA2134+2N3055/MJ2955
  138. 2SA1145 Ltspice model
  139. Simple line buffer
  140. Differential VAS topology Bob Cordell based
  141. Chinese "Hitachi" mosfets
  142. Equivalent transistor to replace MJE243/253 pair
  143. Bob Cordell's Complementary IPS-VAS topology
  144. Amplifier can't drive 5,7 and 13 ohm loads
  145. Adcom power light goes out fast when powered down?
  146. Problems with amplifier MX50 SE
  147. attaching Vbe multiplier to heatsink
  148. Another question about driver bias
  149. EQU PWR OPA PROJECT
  150. Speaker IPOD Power Amplifier P2--- 6W
  151. Differential Amplifier Simulation???
  152. Compensate Amplifiers or Not ! & How best ?
  153. Mcintosh C28 Hum
  154. Which Technics is best
  155. Noob Question Re: Bridging Any Stereo to Mono
  156. Things to consider for the Plate Amplifier
  157. weird solid state problems
  158. Denon AVR-1709 intermittent protect
  159. The Mitronic PA100 2SJ50/2SK135 ready for test.
  160. Searching schematics C-Audio ST400
  161. an STK 30XX solution
  162. Small Head Amp Project
  163. GFA-535: Looking for troubleshooting help
  164. Current Drive for Loudspeakers
  165. Holfi Battriaa documentation wanted
  166. Need help with technics sa-tx50
  167. Are leds noisy ?
  168. 2stageEF high performance class AB power amp / 200W8R / 400W4R
  169. TPC vs TMC vs 'pure Cherry'
  170. Need help troubleshooting clone amp
  171. Square Buttons for NAD-3020
  172. Leach LMF-1 dead channel
  173. Low noise NPN with ECB(123) pinout
  174. Alesis RA300 Short
  175. Looking for a high end ss power amp kit
  176. Denon AVR1906 Repair
  177. P3A AC Calculating
  178. Hughes & Kettner Cream Machine
  179. A new hybrid concept: C-Vac
  180. ESp P3 amp on Cheap 150w amp board
  181. ESP P3A component recommendations
  182. Critique my first PCB routing attempt
  183. AR A-07 amp with ticking phono stage
  184. Jands 920 temp cut-out
  185. audiophile's project sourcebook
  186. LME49830 Project/Boards...
  187. How to wire MTM (or 2.5) woofers if 5 channels available & are doing active XO's??
  188. yamaha a-45 amp customising
  189. 3000W speakers amplifier required
  190. Front panel removal HK 330
  191. chord cmp2600 sounds really low on high volume
  192. PCB routing examples
  193. PCB track size and spacing
  194. Class AC
  195. Looking for DX Blame MK III PCB's
  196. Humming toriodal transformer....?
  197. PPI Precision Power a1200.2 repair?
  198. Sony TA-1130 diagram
  199. Newbie idiots advice please
  200. Denon PMA 737 schematic needed
  201. Used NAD 3060 or LM3886 stero kit?
  202. Super TMC
  203. Looking for some help with Adcom gfa-5503
  204. Luxman RX-102 AM Tuning Scale Problem
  205. Reasonably priced amplification for 4 way active crossover system?
  206. Resurrecting a defunct A3000
  207. Need Schematics for repair
  208. Best way to apply UV soldermask paint?
  209. Sony STR-DE415 loud pop noise when cold
  210. Overstock.com kl-2400
  211. "classless" amplifier simulation
  212. Discrete 35W kit vs LM1875
  213. VAS Biasing
  214. relay coil that heats.
  215. Heatsink Colour ?
  216. Thinking Inside the Box
  217. Popping in the Old Harman Kardon 930
  218. Need help fixing Hafler P505
  219. Silence from my amp
  220. Any Ideas on How to find a Radio Shack MPA@250 amp shematic?
  221. NAD PowerDrive ... How does it really work?
  222. Please help me solve my ground loop issues - Pics and layout attached.
  223. Some dumb rookie questions about output power
  224. Audiolab 8000A low volume from cd input than tuner input
  225. Virtual Ground (A Regulated Rail Splitter)
  226. Marantz pm57 distortion
  227. A DIY amp project to match my transformer?
  228. Enlighten me please. which amp?
  229. Super-complementary output stage
  230. the Golden Gain Ratio
  231. Jands series 920 bias setting?
  232. bias spreader bypass cap
  233. question about transistor package types
  234. Onkyo M-504 troubles - need some advice
  235. Bose 4401 pot
  236. FET drivers for BJT outputs?
  237. Electrocompaniet AW100 case
  238. I want to build a 1-2W class a amplifier for use in a 5,25" pc expansion slot
  239. B&K avr 507 blows fuses
  240. cyrus aca7.5 help
  241. Class A, 4 Watt, No Feedback, Simple Circuit, Great Sound
  242. help explain the current source behavior
  243. Need NAD 3020b service manual
  244. Quad 405 amplifier
  245. Trying to test Hafler dh-500 mosfets
  246. Repairing ElectroVoice CPS4 -- need schematic!!
  247. Noisy phono stage on vintage Pioneer SX-434
  248. LIN LK-85 SOUNDING TINNY AND FLAT
  249. Multiple feedback LP filter ?? Help??
  250. Dynaco PAT-4 input questions

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