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  1. Test, troubleshoot tips
  2. Kenwood Ka-1500 sounds weird (youtube link included)
  3. NAD C325BEE Issue
  4. 2SC3503+2SA1381 E or F source?
  5. How is closed loop voltage gain chosen?
  6. Speakers for HK330A
  7. ADAPTIVE FEEDFORWARD AMPLIFIER
  8. Another p3a question
  9. Adding a trigger to an amplifier
  10. JFET cascode Vp matching
  11. SMD transistor
  12. Onkyo amp woes!
  13. Types of transistors pnp npn?
  14. Arcam alpha 8 amp - mods?
  15. Musical Fidelity E1: weird noise
  16. Hifi amp as signal tracer
  17. NMOS200 IRF540
  18. Substitude for 2SJ109/2SJ74 wanted
  19. New Approach for Amp/Speaker-Voicecoil Protection
  20. Marantz pm6010ki buzz.
  21. setting up a discrete opamp
  22. Vishay TX2575 resistors in discrete preamp
  23. Paper on feedback amplifier analysis.
  24. Leach Superamp, round 2
  25. BUZ901/906 gate resistors
  26. Yamaha M-4 Power Amps - Bridging
  27. A new project -Few basic questions in amp electronics.
  28. Multi Channel amp with XLR input
  29. old harman kardon 330b
  30. toa ta-955
  31. MC2105 Question
  32. klipsch rsw-12 amp schematic
  33. how to calculate power of an output transistor
  34. 60-100W Mono Class AB diy AMPS
  35. Bedini 45/45 amp
  36. Small ne5532 amplifier for subwoofer
  37. phase issues when using a .01uf in parallel with the input capacitors?
  38. now i've done it
  39. What is it STK4048?---STK4050V? and do the itself work?
  40. Lamp Replacement
  41. FET-hex explendit amplifier
  42. UF4001 data
  43. Input Impedance Mod?
  44. CM Degeneration resistor noise
  45. Graphic EQ beginner upgarde project
  46. 20 watt class A amplifier
  47. PCB's for NMOS500 or ACTRK600 Amplifiers
  48. Simple class A amp bias
  49. Yamaha CR-2020 power supply issues
  50. Grounding and Minimizing the Current Loops
  51. Design Challenge: 2 way active speaker using bi-amp
  52. Quad 405-3 power amplifier weird noises
  53. Crest 4801 revival ...
  54. What can i made from 2x55VAC 1000W toroidal transformer ?
  55. Minor Loop Stability Analysis for dummies
  56. Easy enough?
  57. Starter builds
  58. Heatsink Temp & Bias control idea
  59. hk 730
  60. Help with an OP-amp filter circuit from car amp
  61. Schemes of no-feedback amps
  62. Low power amp by adding current buffer to preamp
  63. Circuit diagram for a Sugden Optima 80
  64. Error in Adcom GFA-555ii Service manual
  65. Pioneer A-602R Capacitor replacement
  66. 185W trial Idea
  67. Critique my PCB (OPA1632 buffer/pre)
  68. TOA P912A Bias settings
  69. Help with Dynaco ST-150
  70. I need help with mosfet circuit
  71. Pioneer amply A- 006
  72. How to use TPC/TMC?
  73. TDA7293 x3 parallel mono_power supply
  74. Single supply class AB amp, with two outputs per channel, how much idle current?
  75. Troubles with 2sk1529/2sj200 amplifier
  76. Power amp trouble :(
  77. pole splitting with miller compensation
  78. Problem with sound
  79. irf 540
  80. Gain for 2 Way Bi-Amp
  81. Beomaster 5000 help!
  82. Distorted output on Yamaha PC2002M
  83. DIY amplifier measurements thread
  84. Pleased to help pioneer a-006
  85. Aragon 4004 MK2 output replacements
  86. Denon DRA-300 - dead left channel
  87. Sansui 8080DB Recap gone haywire.
  88. Can Anyone Help?
  89. Trying to add pre-out/main in CA-410 Yamaha
  90. Adcom GFA 555 II keeps blowing the main line in fuse any ideas?
  91. Musical Fidelity Typhoon power amp
  92. Need Help on ML 331 18CV8 code
  93. Thule spirit IA100
  94. Dual Duty Audio Chair Project
  95. Sziklai buffer circuit: anyone seen this before?
  96. miller comp question
  97. Harman Kardon Restoration issue
  98. Best Cap Replacement For Parasound DR40
  99. Running on just the drivers
  100. Easy math question
  101. Compound OP-AMP
  102. HK 330A stereo lamp
  103. Poineer A-209R
  104. Help identify 20+ year old MOSFETs?
  105. NE5532 Issues
  106. HIRAGA LE CLASS A 30 W
  107. Amp draw, Class A vs AB, oh my?
  108. Grounding & Earthing connections
  109. DC offset issues - Help! - Dean GA40R
  110. Very high THD levels
  111. VAS power dissipation
  112. Differential VAS topology
  113. sx-Amp and nx-Amp
  114. stumped by distortion at moderate-high volume
  115. Quasi complementary OPS vs Complementary OPS
  116. STR-VA555ES quadraphonic mode
  117. Output transistor Re selection
  118. schematics amplifier skp max g 2400
  119. Soundstream DA-1 (Krell made) Repairs needed in Lexington KY
  120. Crown DC-300A II bandpass filter
  121. Bias Diode SV04F - Replacement through Vbe Multiplier (Sony TA-3650)
  122. DH-200/220 upgrade kit.
  123. Germanium to Silicon amp conversion
  124. Levinson ML-7A
  125. Fostex PM-1 Repairs Help Wanted ! Where is it ?
  126. Fostex PM-1 Repairs Help Wanted !
  127. dyna st 400
  128. Tivoli model one problem
  129. Amp + Crossover Recommendations?
  130. QSC Repair
  131. Mcintosh History
  132. Retro Amp 50W Single Supply
  133. Help troubleshooting AMP (DC protection)
  134. BUZ901/906
  135. Bad Crosstalk and RF interference Audio Innovations Alto amplifier
  136. 2SC5200 Power Amplifier
  137. LtSpice = Scruffy ?
  138. Tips for a New MKIII Hx build
  139. Dual O2-Inspired, SMT Headphone Amp
  140. cheap transistor Amp
  141. Stax CA-X -> CA-X Pro. Is it a crazy idea - or not?
  142. Biasing this SS amplifier (Trace-Elliot Super Tramp)
  143. AXL amp
  144. Amp comparable with “The Wire Amp”
  145. NAD C216 110v plugged in 220v
  146. help repair & modification to sony str k780
  147. JC-2 Clone +Vcc Problem...
  148. Amp design attempt number 2 (simpler)
  149. LUXMAN M-02 drivertransistors
  150. Troubleshooting a 3 Stage BJT Amp
  151. Dc offset
  152. Custom Console System
  153. le monstre input caps
  154. What parts do you use in a power amp or preamp?
  155. What FET to choose for HV source follower
  156. Hafler Dh200 What to do?
  157. Sony Receiver str-de805g one channel bad
  158. 1000W Simple PA Amplifier
  159. Transistor pre amp
  160. Krell KSA-150 DC adjustments
  161. Welded transformer stack- good, bad?
  162. Michael Kiwanuka's SOA PAper
  163. Amplifier with no speakers making sound
  164. cannot find circuit diagram for transistor
  165. Hiraga 20 w DC threat
  166. Reverse engineering a John Widgery Sondex/Radford SS amplifier.
  167. Randy Slone's multislope VI limiter
  168. Vintage Yamaha Pro amps - Cascoded sections
  169. Repairs for a B&K ST 140 amp
  170. Power Amplifier Circuit Topology according AD846
  171. power amplifier schema for use outdoor
  172. 2SK69 SPICE model?
  173. Opinions: Hypex vs. Holton
  174. Kenwood KA-405
  175. No NFB line amp (GainWire mk2)
  176. Wow & Flutter test 4 Amplifiers !
  177. Amp recommendation for wharfadale super 8 rs/dd
  178. Component Selection Help for DC Coupled Amp
  179. Getting rid of low level hum in Aragon 4004MKII
  180. Can someone assist me in understanding QSC's grounding scheme in their RMX amps?
  181. How is This Possible???
  182. hand making inductors
  183. Darlington VAS
  184. Kenwood KA-6100 BIAS issues
  185. Please help on Mark Levinson No 331 amp repair
  186. out door power amplifier
  187. Impedance matching in hybrid amp
  188. Asymmetrical Clipping in Modified JLH Output Stage
  189. Modifying Emitter Follower type I
  190. DIY tube alike sound, the magic coating....the hoax!
  191. Schematic for the amc 2n100-5 amp
  192. New type Zobel = <THD
  193. Class A 10W power amplifier - OPA2134+2N3055/MJ2955
  194. 2SA1145 Ltspice model
  195. Simple line buffer
  196. Differential VAS topology Bob Cordell based
  197. Chinese "Hitachi" mosfets
  198. Equivalent transistor to replace MJE243/253 pair
  199. Bob Cordell's Complementary IPS-VAS topology
  200. Amplifier can't drive 5,7 and 13 ohm loads
  201. Adcom power light goes out fast when powered down?
  202. Problems with amplifier MX50 SE
  203. attaching Vbe multiplier to heatsink
  204. Another question about driver bias
  205. EQU PWR OPA PROJECT
  206. Speaker IPOD Power Amplifier P2--- 6W
  207. Differential Amplifier Simulation???
  208. Compensate Amplifiers or Not ! & How best ?
  209. Mcintosh C28 Hum
  210. Which Technics is best
  211. Noob Question Re: Bridging Any Stereo to Mono
  212. Things to consider for the Plate Amplifier
  213. weird solid state problems
  214. Denon AVR-1709 intermittent protect
  215. The Mitronic PA100 2SJ50/2SK135 ready for test.
  216. Searching schematics C-Audio ST400
  217. an STK 30XX solution
  218. Small Head Amp Project
  219. GFA-535: Looking for troubleshooting help
  220. Current Drive for Loudspeakers
  221. Holfi Battriaa documentation wanted
  222. Need help with technics sa-tx50
  223. Are leds noisy ?
  224. 2stageEF high performance class AB power amp / 200W8R / 400W4R
  225. TPC vs TMC vs 'pure Cherry'
  226. Need help troubleshooting clone amp
  227. Square Buttons for NAD-3020
  228. Leach LMF-1 dead channel
  229. Low noise NPN with ECB(123) pinout
  230. Alesis RA300 Short
  231. Looking for a high end ss power amp kit
  232. Denon AVR1906 Repair
  233. P3A AC Calculating
  234. Hughes & Kettner Cream Machine
  235. A new hybrid concept: C-Vac
  236. ESp P3 amp on Cheap 150w amp board
  237. ESP P3A component recommendations
  238. Critique my first PCB routing attempt
  239. AR A-07 amp with ticking phono stage
  240. Jands 920 temp cut-out
  241. audiophile's project sourcebook
  242. LME49830 Project/Boards...
  243. How to wire MTM (or 2.5) woofers if 5 channels available & are doing active XO's??
  244. yamaha a-45 amp customising
  245. 3000W speakers amplifier required
  246. Front panel removal HK 330
  247. chord cmp2600 sounds really low on high volume
  248. PCB routing examples
  249. PCB track size and spacing
  250. Class AC

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