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  1. Recapping Dynaco ST400
  2. Best sound 12v Audio ic !?
  3. Adcom GFA-7500 Amp Module Removal
  4. full wave rectifier for jlh?
  5. balance control for class a amp.
  6. Help - Quad 306 Right Channel Low Level Buzz
  7. yamaha amp no powe switching on then off
  8. Will adding HPF at line level help with the clipping or increase it?
  9. Discrete JFET "passive" R2R attenuator
  10. Luxman r115 remote. Transmits signal but receiver does not react
  11. is my amp dead
  12. Capacitor Voltage Treatment
  13. CAT A-803 getting hot
  14. My amp revisited
  15. Humming sound coming out of home stereo system instead of music what is causing this
  16. Hissing choke, what to do?
  17. Watt ratings on amps. High current vs low current
  18. What or why is the "A/C" connection on this power amp?
  19. sony ta-n9 biasing
  20. Sony str-da2800es repair question
  21. Heatless toner transfer pcb
  22. Service Translation
  23. slower than bd139/140
  24. Any chance to damage 4 ohm speakers on 8 ohm amp?
  25. Need help with Adcom GPF-555ii PreAmp
  26. Pioneer amp problem
  27. PA 600W
  28. Help on Rega Elicit MKI
  29. yet another GFA-555 with high voltage output...
  30. Crown DC300a confusion
  31. NAD 216 DC protect
  32. Silicon Chip ULD mk3 amplifier and DAC popping sound on/off input switching
  33. Why Nchanel gate resistor got fire
  34. Output stages and AC wingspread plots
  35. STK442-090 amplifier build
  36. Denon POA-S10
  37. Transistor substitutes for TA-5650? (v-fets excluded)
  38. Sap15 biasing in power amp
  39. help this mikawa amplifier, cheap but weird
  40. Distorted Sound
  41. NAD repair needs help
  42. Making a power amp's PSU a standalone unit?
  43. Dynacord CMS1600 MK3 schematic needed
  44. audiomodule.eu PCBs
  45. ADCOM GFA-585 slight pop at turn on and off
  46. Hafler DH500 low bias, no response from pot
  47. Musical Fidelity A1-x recapped not working
  48. emotiva xpa-2 : loud popping sound and my woofer is dead
  49. Adcom 5500
  50. Nikko NA-850 on the mend
  51. Phono Stage Circuit Diagram
  52. Current Feedback Amplifier Schematic
  53. G&W TW 2006x amp - failing source selector switch
  54. Repair Thule IA150B, no sound except humming
  55. New Adcom 555se input please?
  56. What is the consensus of best amplifier topology TODAY??
  57. 2nd Spring -- another stab at the SE choke-fed Class A Power Amp
  58. Palladium Integrated Amplifier
  59. Help needed to recap my Sony TA707ES...
  60. How to adjust NAD C370 ISC circuit?
  61. Yamaha p2200 questions
  62. Value of transformer in aragon 4004mk11 needed . Need value to
  63. SE class A hybrid amp
  64. Simple amp 100Wrms 8R BJT output.
  65. How do I adjust the gain of my amplifier from the back side?
  66. Circuit Suggestions Wanted for 2SC5200 / 2SA1943
  67. Correct location for VBE bias transistor on CFP output amplifier
  68. 2SA1302 Toshibas. Good for anything?
  69. Luxman clone
  70. Yamaha B-2 troubleshooting
  71. monitor audio powered sub voltage testing
  72. Quad 909 numerous IC's
  73. Maxim MAX44248 & MAX44246 in audio community?
  74. Best Class Amp for 4ohm Speakers?
  75. Krell Ksa 150, no audio, not turn of, value of resistor R11-R13 softstart PCB
  76. Question about DC blocking cap. Yamaha P2200
  77. Thermal modeling of transistors
  78. Quad 909 Which resistors in signal path?
  79. Power Amplifier Output Inductor specification
  80. IGBT classA amp
  81. options for replacing polystyrene caps on phono board
  82. amplifier output vs speaker impedance
  83. Cambridge Audio/AR P35 Refurb
  84. STAX DA-100M class A monoblocks - Worth buying?
  85. What kind of amplifier is this?
  86. P3A Quasi Complementary ?!
  87. New type of Filter ?
  88. Relay not working. Not trans or dc issue
  89. ADCOM 5500 weak bass: possible reasons?
  90. Looking for a kit recommendation
  91. Yet another Adcom GFA-555 question
  92. appending class b amp after class A
  93. Bias adjustment of Symphonic Line RG9 MK4 ?
  94. bandpass for TDA7293 monoblocks
  95. Digital Pre-Amp (high end & diy)
  96. Clipping indicator
  97. QSC CX702 Power Amp
  98. marantz pm6005 schematics
  99. Apex SB 3.1 Preamp
  100. Aragon losing power
  101. Power trafo Denon PRA-1000
  102. Hum problem on new amp only when both phono leads connected
  103. Opamp change for QUAD 909
  104. Surround: 5.1 or 7.1 or 9.1 ?
  105. 909 with Naim Transformer?
  106. What Do People Mean When They Refer To Signal Path?
  107. Amp(s) for a pair of DIY subwoofers?
  108. Power transformers question
  109. Increasing global feedback of Behringer A500
  110. Quad 303 bias instability
  111. Even order distortion in symmetrical amp
  112. Help identifying problem with power amp- bad caps?
  113. Please suggest an input op amp for my Hafler TA-1600
  114. Luxman 5M21
  115. Requirements for cascode VAS transistors
  116. Recommended amplifier for 4dBu nominal balanced input, +/-24V PSU?
  117. 8-Track PreAmp
  118. Cyrus Two feedback resistor modification
  119. power transistors
  120. HELP: Silicon Chip ULD mk3 amplifier one channel softer
  121. Anyone have any experience servicing a Yamaha rx-a2050?
  122. help me tell me type of this amplifier
  123. Any reason the IEC ground would be disconnected?
  124. Creek evolution 5350 servo question
  125. Bashing a Marantz SR7200
  126. Replacement feet for NAD 2200
  127. Accidental variable low pass filter
  128. Opinion on the Behringer KM1700 Class-H amp
  129. Vintage Sanyo DCX 2700 Quad receiver issues
  130. WANTED: 5,6,7 channel amp recommendations
  131. Re-purposing a dead Hafler XL-600
  132. Crown 3600VZ Impedance Question
  133. Luxman M-02 Build and Duo-beta circuit
  134. ONKYO TX-NR709 no sound, but probably not dts problem
  135. Nyquist and Phase testing
  136. Circuit design: BJT modeling
  137. continunity between T-03 case and ground?
  138. Current driven OPS?
  139. CM Labs CC-50S need info
  140. Adding DC offset pot
  141. how long does it take output capacitors to remember
  142. Class A power amp using switching power supply?
  143. Yamaha HS80M no woofer, only tweeter.
  144. any reason not to re-use mica insulators?
  145. Yamaha Rx A-1030 HTR Receiver
  146. Adcom GFA 545II
  147. Audiolab 8000p and coffee
  148. universal thiele circuit
  149. Opamp orientation?
  150. Crown DC300A - help with repair
  151. SS kit build help
  152. Vu meters regulator
  153. nad 3020b cap replacement problem
  154. Electra SW-900
  155. Speaker cone moving not faulty pot
  156. Musical Fidelity B1 Questions
  157. Aragon 8008ST (Mondial) no output
  158. GainWire harmonizer
  159. Cambridge audio A500 volume problem
  160. WTD: Roksan Caspian 5 channel service manual
  161. Upgrades to Hafler DH-120 PreAmp
  162. TGM10 - based on NAIM by Julian Vereker
  163. Dynaco ST-416 Restoration
  164. Need a source for Klipsch KSW 200 schematics
  165. Improved speaker protection circuit
  166. Rotel RSX-1065 voltage regulator replacement
  167. Treble lift circuit-help needed
  168. Indefinite Admittance Matrix
  169. Does anyone recognise this topology?
  170. NAD 705 short to ground on C303
  171. Got myself a weird transistor, how can I use it?
  172. novel(?) CFP triple output stage
  173. Broken Sentec PA9 - Darlington equivalents
  174. Mr. Rod Elliot's Amplifier "modding"
  175. Amplifiers that can run Class A or AB
  176. Luxman L 410
  177. Ayre V-3 amplifier chokes
  178. Source follower
  179. Test cases for stability
  180. ML-9 schematics
  181. Simple shunt feedback common emitter power amplifier
  182. Levinson ML-2 preferred power transistors
  183. NJU7391A
  184. China amps
  185. Nikko Alpha 450 - dirty/distorted sound until warmed up.
  186. Amp blown?
  187. Floating ground/common ground
  188. Yamaha A-700: blown channel, replaced all semis, still not working?
  189. GX-60 Wiring
  190. ISO: Service Manual for Onkyo DTM-53
  191. Hi-Fi Project Advice
  192. Amplifier input impedance and gain
  193. Luxman C-120a pre-amp Mains Hum
  194. Amp uses a 20 Amp mains cord
  195. Hafler dh-500 Help!
  196. Comri_completely_right
  197. Measuring bias current with audio present
  198. TIP33/TIP34 for output devices 1st SS amp.
  199. Honey Badger troubleshooting
  200. Help me figure out the primaries on this transformer
  201. Technics SU-V85A
  202. About cascode oscillation
  203. Odd Question: Would connecting L and R preamp out terminals cause damage?
  204. Digitpots for volume, tone and balance
  205. capacitor identification
  206. Superscope R-1240 service manual
  207. Charge Amplifier Circuit - Feedback Capacitor Value
  208. Maplin ga28f and Drv134
  209. On emitter resistors in predrivers
  210. Naim XS2 power section schematics
  211. Rotel amp oscillation distortion
  212. Hi-Fi OP-AMP based Amplifier?!
  213. Sony STR-6060 preamp NFB after recap
  214. Akai am u33 amplifier
  215. JBL
  216. Is this parasitic oscillation?
  217. Luxman r115 r-115 thin bass.. problem or design ?
  218. nad 216thx protected from input dc leakage?
  219. Trying to understand speakers A+B
  220. STK4392 Amp any good?
  221. Blown resistors in a BK Electronics MF300? With circuit diagram!
  222. Correct location of BIAS Vbe thermal sensor
  223. uA702
  224. Marantz 1120
  225. Symmetric follower without overall NFB
  226. ss transformer voltage question
  227. Borbely - The New Frontier - PCB
  228. Very simple and very stable power AMP
  229. ADCOM GFA 545 II - blown output transistor and more
  230. My first Mosfet amp build
  231. pluto 2 repair
  232. hissing / scratching noise from a ML431
  233. Misbehaving amp
  234. component values sinclair x10
  235. Extending the AEM6000 design to ppm THD
  236. Transistor question - trying to repair Alchemist Kraken
  237. SIMPLE G3 STAGE
  238. Technics SE-C01 service manual
  239. Ultra-LD Amplifier, Silicon chip.
  240. Sjostrom Audio QRV-07 headphone amp kit unfinished - what to do?
  241. About the math of paralleled power transistors and current hogging
  242. In Search of......
  243. Radio Zenith Transoceanic
  244. AMB Laboratories DIY Audio
  245. Vhex+ or AMB b24?
  246. MJR7-Mk5 by Renardson
  247. LS3250/LS3550
  248. Volume control problem
  249. Bryston 3BIII SPICE Simulation
  250. Technics SE-C01 recap?

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