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  1. help with mic preamp
  2. New to this... modded Acurus A250 w/issues
  3. Help cannot identify Amplifier Power transistor
  4. Unique way of muting for thump prevention, outside audio path.
  5. Schematics of Luxman L-505u?
  6. 2sc2240 as 2sc458 replacement
  7. Dx MkIII boards.
  8. Need schematic for Denon pma 250
  9. CFP Buffer
  10. Electrocompaniet aw-100dmb
  11. LM1877
  12. Fisher Amplifier Question
  13. What is difference between two circuits
  14. Measuring caps without ESR
  15. dx amp 33v psu
  16. Crown psa-2 Problem
  17. DC servo
  18. "Inverted" (not 'Inverting') Output Stage
  19. Rega Elex problem pointer
  20. Rega Mira Clamshell ~ circuit required
  21. Faulty HH Electronics MXA100
  22. Exicon lateral MOSFETs
  23. ESS Preamp + Amp Repairs Question?
  24. Amp repair help
  25. Halcro
  26. Hafler DH 500
  27. QUAD 520f dc offset
  28. Twin mono by combining stereo outputs
  29. "State-Of-MOS": 200W Ultra Low Distortion Pure FET Amplifier
  30. New project....Sony STR6065, Schematics needed!
  31. My JLH-2005
  32. Carver M-500t repair help.
  33. portable ipod dock question
  34. Phase Linear 300 (series2) output transistors.
  35. Coupling caps on long wires
  36. need help akai aa 1200 reciever
  37. What kind of BGW's final amp. module, is this ?
  38. clean 11 Vrms for 600ohm load
  39. JBL 5234A vs 5234 Frequency dividing networks
  40. AMPLIFIER beginner questions..
  41. Neg Rail on JLH Amp Output
  42. Fet based phase splitter?
  43. boom box idea
  44. NAD P2100 amp with power envelope
  45. output transformer for on solid state dual channel for THD reduction
  46. 5.1 amplifier speaker protection
  47. Chevin Research A1000 schematic required.
  48. Who can give me a version of filter pro 2.0
  49. My invention ? Did I invent this amp ?
  50. Help needed: speaker internal amp blows fuse
  51. Budget DIY Pre-amp with MP3 Player (and FM Tuner)
  52. Overview of Solid State Amplifier Brands from where it is impossible to get Schematic
  53. Overview of all Solid State Amplifier Brands, where are SM's/Schematics available
  54. Nad 3020 Modification from 1982
  55. O2 power on trouble
  56. Leach amp powering up trouble
  57. Arcam Alpha 5 Amp - Replace Alps Switch Button
  58. Rewiring transformer on a McCormack dna for 220v
  59. PS 2 Input Components ..
  60. Re: Re-adjust the Bias of Power Amp
  61. Hissing amplifier (in Meridian M10s) help, please.
  62. Can I increase capacitance on these TONE BOARD caps?
  63. Class D amp modules
  64. PS Audio 100C care, feeding, speaker cables?
  65. Home Theater Receiver crossover network
  66. Looking for SAE items to purchase
  67. L20 V8
  68. Creek 4040s1 strong buzz in one channel
  69. 12 Watt amp, guidance required
  70. Nakamichi CA-7A Clicking sound
  71. where to buy?
  72. Here's a challenge....
  73. left channel won't work on JVC integrated amp
  74. KRELL FBP 200
  75. Stereo IC amplifier for better quality?
  76. Mini Class-A SE amplifier needed
  77. BJT, MOSFET or JFET? Which sound better in class-A
  78. F2J schematic needed
  79. Help wit hk 3490
  80. Sanken transistor meltdown
  81. LTspice Model incompatible ?
  82. Bootstrapping
  83. Determining the polarity of the speaker outputs on my amp.
  84. When to re-cap?
  85. Vertex Amp By apexaudio
  86. Inflated Class A power claims
  87. Sanken SAP15PO vs SAP15PY
  88. Phono-preamp with a built-in headphone output
  89. Leach Low Tim Blew Outputs
  90. audiolab 8000P - one channel dead - transistor SC2911 looks toasted - (newbie)
  91. Adcom GFA-555ii Repair/Rebuild
  92. Marantz 16 80W - What to do?
  93. [Absolute Zero] Design Amp with minimum component (understanding too)
  94. randall rh200 sc
  95. Can I nominate myself for an audio "Darwin" (Hafler repair)
  96. Yet another bulb lamp amplifier: the bulbamp
  97. Help STK 4122 mute circuit
  98. AVM competition amplifier
  99. Jeff Rowland Coherence One Schematic
  100. Kenwood KA-59 Schematic
  101. Switching loudspeaker with relay
  102. Technics SU-V560 problem
  103. Db technologies HPA2800-repair
  104. how many amps ?
  105. gain linearity
  106. Bridged amplifiers...
  107. How much Class A in a class ab amplifier
  108. Choke power supplies for Class AB Power Amplifiers - which Rules for Calculating ??
  109. MJL3281/1302 based amplifier ?
  110. roberts 83i vs bose wave
  111. SOS... problems with Lehmann BCL ("Lovely Cube")...
  112. Pioneer A400 Volume pot, connection advice needed
  113. Mismatched hFE... important?
  114. which value fuse is needed for primary
  115. The Edwin A+B amplifier - article wanted
  116. Audiolab 8000 lid 'screw' required please....
  117. Safe Voltage for one pair of Sanken SA 1216 and SC 2922
  118. Onkyo A 8067 with low volume to one speaker
  119. LT1166 Mosfet driver - once again
  120. Adding pre-out to an integrated amp
  121. 12v Trigger From Amp
  122. Advice on repairing clamshell Rega Elex (Brio/Mira/Elicit)
  123. Dynamic Head Room
  124. Looking for info about low-noise preamplifier
  125. Schematic Montarbo 118 SA sub.
  126. Musical Fidelity X-A50 Mono Power Amplifier Clone??
  127. Krell S300i Integrated Amp "Made in China" which Factory?
  128. Monrio from Italian (Stan Curtis Design) - what is the new brand name?
  129. Strange bias problem
  130. Single BJT VS JFET Preamp
  131. Repair help requested - Creek 4240SE
  132. help fixing kenwood ka-701
  133. Yamaha RX-V590 faults
  134. Seeking comments on Borbely DC-100 project
  135. Poor input circuit?
  136. Musical Fidelity X-A200R Interrupts During Playback *help*
  137. Amplifier Audio vs PS ground
  138. Amplifier input's low pass (RFI filter), and other questions
  139. My new design or updated old one
  140. And now, for something completely different: Eico Cortina 3070
  141. Does a metal/conductive enclosure need to be grounded in order to shield?
  142. ground symbol confusion
  143. Amp efficiency
  144. Levinson ML-2 distorts randomely
  145. Lateral mosfets and source resistors
  146. dynaco PAT4 modifications
  147. High Power Amplifier with LM391-100
  148. IXYS devices: how to buy them in Europe?
  149. How easy is it to put a 1/4" input on an O2 amp?
  150. Marantz 2245
  151. Limitation on floating PS/circuit
  152. Designing unity gain poweramp
  153. Sugden P51 schematic
  154. Denon AVR-3300
  155. Yamaha A-550 lamp replacement
  156. advice appiciated on clean neutral neafield amp
  157. Levinson ML-2 or Threshold SA/1
  158. High DC offset on DH-220
  159. Real substitute for P80NF55?
  160. Substitute for BF862
  161. TDA7294 Bi-amp DIY
  162. Elektor 1976 article wanted
  163. L20 AMP。use only two NJW0302G
  164. what tx needed
  165. capacitor before bridge rectifier
  166. Improvement of Darlington-Output Stage in Hiraga Monster or 20 W
  167. 500v/uS slewrate, really?
  168. PAT-4 Bass Control
  169. 2SK170 Equivalent
  170. What's your thoughts about this "star grounding" design?
  171. Transformer as Voltage Amplifier
  172. Slow failure of NAD 7225PE. Suggestions?
  173. Symasym and RF noise (?)... Ehm... Need help...
  174. Rewiring Protection Relay
  175. Help with Technics SU-Z45!
  176. is Technics SU-V50 worth repairing...
  177. Audire ... Oh Dear !!
  178. Krell KSA-50 Clone Output transistors
  179. This novice needs help with Voltage divider
  180. Does Potentiometer affect cutoff frequency
  181. Matching MOSFET transconductance
  182. marantz pm 7200 left channel distortion
  183. Onkyo TX-SR501 riddle - no sound but it works in every other sense...
  184. powering up amp and pre-amp
  185. simple softstart
  186. Level pots and degrees of attentuation
  187. Beomaster 4000 fixing help + ideas please!
  188. Carver M-500T Bias adjust question
  189. Magic in "flat earth" amplifiers (Naim, Exposure)
  190. Quasi Nmos200 blowing fuses, and FETS's...
  191. Equivalent transistors
  192. I love jfet input
  193. superconductivity and audio ideas Ė letís brainstorm
  194. Circuit of Musical Fidelity A1, Any one has experiences?
  195. PCB for this Loudness circuit - Help!
  196. Scored a Crown Powerbase II
  197. a breakdown of the component part function for a tda7384 amp ic circuit?
  198. NAD C350 Amplifier - Faint Channel
  199. Bridging twin amps
  200. 500W RMS PA Amplifier
  201. KSA-50S Krell
  202. Problems with Onkyo Integra A-8067
  203. High power subwoofer amplifier
  204. what's your thought of using almumium PCB in audio amp?
  205. Marantz 2215b power transformer.
  206. Another diagnosis question?
  207. OK, had a new look on the net for...
  208. Jfet input, Lateral output 2nd version
  209. Another Crown 602
  210. Amplifier making pop sound
  211. Yamaha Integrated AX-380: Anyone know the manufacture year?
  212. Determining Phase and Gain Margins in LTSpice
  213. Replacement for 2N3773
  214. Another op amp based amplifier.
  215. Semisouth SJDP120R085 JFET - who's interested?
  216. Simple method to do quad match
  217. Simple method to do quad match
  218. European Transistor's replacement.
  219. 2SK99,100,101
  220. All 3 amps blew there fuses. what now?
  221. Low power amplifier P8W4R- detail clear sound
  222. Need help replacing caps. Totally new to this
  223. Cyrus 2 with no sound?
  224. JL m2150
  225. Own Nad 302 and have doubts for replaced stereo amp...
  226. limiter connections
  227. DIY Heatsink
  228. Changing Capacitors - Adcom GFP-565 PreAmp, Which Ones?
  229. Audiosource AMPSUB210 Help Please
  230. f4r q8
  231. Mark levinson No.26S preamp Schematic
  232. Complementary JFET-JFET cascode input, BJT VAS-Drivers, Lateral Output
  233. What results in good transient response?
  234. Analog switching
  235. Adcom GFA 545 DC offset
  236. Bootstrap electrolytic capacitor C5 with TDA7293
  237. Thermal compensation for BJT drivers with Lateral FET output
  238. Quatre DLH100
  239. New Patent Laws
  240. Mark Levinson No 27 -schematic requites
  241. Krell ksa 100 ksa100 mkII mk II ksa50 50 GERBER gerbers pcb files project
  242. New Tri-Amp system.
  243. SYMEF amplifier
  244. Need K129A sub. Dual FET Diff's for Sansui TA-500 Receiver
  245. Please recommend a kit amp
  246. Anyone here own a Rel Sorm III sub?
  247. Samick K-9250 problem & search
  248. 400 watts amp advice
  249. Marantz MA-24...the quad was received last nite.
  250. Replacement output transisitors

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