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  1. DC controlled gain circuit
  2. Trimming resistors
  3. SOA and sagging PS
  4. does this make sense?
  5. 2-ohm stable amplifier PCBs or kits available?
  6. output devices installed before testing?
  7. AGC for PA / SR application
  8. Electrostatic suited amp
  9. Is this safe for OPA2134?
  10. DC Source Impedance measurement
  11. Help with op amp alternatives and spice so i can graduate
  12. How do I ground this?
  13. Holtons lateral amp
  14. Noise Cancelling Headphoneamp design.
  15. Winding Choke Calculations for CCS
  16. VAS pair
  17. Op amp questions for Mr. Wurcer
  18. Torroid coil is humming.
  19. Audio Design Guide
  20. Will this work for a WM61a?
  21. Help! Problem in My Receiver - Marantz RS685
  22. adding headphones on DOZ power amp
  23. Digitally controlled Baxandall?
  24. A preamp with tone controls
  25. SMA connectors -- why not?
  26. Recomend me a project
  27. Gain pot instead of volume pot
  28. fisher amp
  29. Looking for pn4889 for a B&K st-140
  30. Easiest way to reduce rails.
  31. Need some advice for amp-schematics
  32. About the wire impendence
  33. Convert Krell 300iL to European voltage
  34. Does anybody made QSC amplifier
  35. Please rate designs for n-ch mosfet amp
  36. amplifier with HF-parallel channel
  37. power transformers
  38. Peavey M-2600 trouble
  39. Panasonic receiver
  40. software for electronic circuit
  41. 20W No-Compromise Hi-End Amplifier
  42. Presentation + Class A amp with NEC 2SD555 / 2SB600
  43. Newbie question: Inducter
  44. Swiss Physics 6A repair info
  45. My assymetric->symmetric PSU, please comment
  46. Need new low profile caps for moth amp
  47. Tweak/Mod NAD C350
  48. does anybody know the wire thickness of MCAP/MCAP supreme??
  49. Portable direct drive amplifier for ESL headphones
  50. Carbon Film resistors *Marantz*
  51. Wtb:active Crossover Kit
  52. 1200w+ Amp Shootout March 27-28
  53. DSelf Precision Preamp Balance Control
  54. diy signal router
  55. The sound of two transistors switching
  56. amplifiers
  57. Up-Grade My Car Amplifier
  58. pcb
  59. Need Help Fixing an old NAD 304
  60. Is LM3875 better tham LM3876
  61. Floating Bias in Leach vs. Slone ??
  62. measuring a transformer Marantz 2245
  63. car amp power supply idea
  64. CRT monitor Help
  65. Moron Gainclone Questions
  66. SC480 Troubles....
  67. Please comment for my new CFB amp
  68. Discussing digital and class A amps
  69. my CFB has permanent DC offset-2
  70. square wave gen needed
  71. My CFB amp has permanent DC offset
  72. power amplifier with one-stage voltage amplification
  73. having problems with DOZ, help request
  74. Suggestions On Additional Circuits
  75. Digital input selector. What do you think about it?
  76. Need some help with a kit
  77. mux two input to one...
  78. Circuit Modification
  79. stereoplay 1988 Monoblock from GŁnter Mania
  80. Preamplifier from German magazine Klang&Ton
  81. About p3a
  82. BC559/549 - brand?
  83. Current feedback a la Mark Alexander+QRV06 = QRV03
  84. LM350 adjust pin
  85. Does anybody know Lee Jackson
  86. 230w 8 ohm approx replacement board of any kind 80vdc please help
  87. DIY Solid State amp
  88. Rails of most amps will be three times the RMS output voltage minus
  89. FET input stage problems
  90. circuit diagram to build my DIY preamp
  91. Need design book recommendation
  92. Alpine 3544 amplifier - cicuit diagram
  93. 2SC1345E Replacement
  94. low power class A SE MOSFET amp
  95. Snubbing Cap values on bridge rectifiers.
  96. Trace elliot ppa 600
  97. Current project: 1kW
  98. Amp repair failure
  99. Active Filter - GvT
  100. New Amp Project - GvT
  101. Denon Transistors
  102. Debugging Quasi amp
  103. marantz 1060 transformer
  104. Upgrading opamps in I/V stage
  105. Harmon Kardon vintage HK775 monoblock info
  106. byop amp on battery's
  107. static
  108. TEAC Dt1 modification
  109. Importance of Heatsinking
  110. DC offset in commercial amp
  111. Toroidal Transformer
  112. crecendo me protection ckt
  113. Resistors for dummy load?
  114. Building P3A Amplifier
  115. Manual / Circuit Diagramm for Music Fideltiy MA50x
  116. Rotel 972 Balanced out...
  117. Shielding interconnects
  118. Modest IGBT SE project
  119. Low openloop gain amplifier
  120. 2 channel in, 4 channel out
  121. input selector switches
  122. Need a decent kit
  123. My X-Power amp design
  124. help required with regulator circuit please
  125. Who knows this TO3?
  126. Any problems with Fun-Tak (tm) on the PCB?
  127. Kill the Crummy Opamp!!
  128. Hexfet power amplifier
  129. Plate amps- high vs low ohm connections?
  130. quad 502 pcb anyone?
  131. Linx-NZ audio manufacturer
  132. Borbely Fet Follower SPICE modeling
  133. swapping 2955/3055's for new on semi mjl4281A/mjl4202A ?
  134. Need of STK4197MK2
  135. Need of TCA530
  136. balanced input problem
  137. Oscillating DoZ
  138. ... minimizing op amp distortion
  139. Amp with high voltage output(+- 800V)
  140. Help with Leach amp
  141. excuse me...
  142. sanken 2sd123 replacement??
  143. transformer question
  144. p3a dual mono?
  145. Today's Puzzler ??
  146. Good sound, what is it?
  147. Why no MOSFETs?
  148. Usable distortion analyser for Pre-/Amps
  149. P3A - getting more power
  150. Strange vol. pot behaviour ?!
  151. JLH input impedance
  152. Technics SU V85A
  153. Power supply for Car amp
  154. Borbely Fet Follower / HarryHaller?
  155. tip 36c
  156. schematic drawing
  157. 10-20W Claa-A..which one ??
  158. Need schematic for 9v DC PSU
  159. Good job for Leach superamp
  160. need some help finding a resistor
  161. capacitor question (p3a)
  162. Asymmetrical amplifier
  163. Harmon Kardon Citation 16
  164. Amp suggestions for @ $400 U.S.
  165. NAD 7020, problem with tuner++ (centering).
  166. Zenquito 5x50W : nearly the building end
  167. solid state amps
  168. zobel network / emitter resistors
  169. symetric amp with mirrors, vas bias stability?
  170. Completed stereo amp project
  171. Simple discrete unity gain buffer
  172. Advice for a newbie
  173. Buy Mark Levinson for Peanuts
  174. Floating voltages
  175. Wiring supply rails to output devices
  176. external amp for subwoofer
  177. Which amp should I build?
  178. volume control question
  179. Re: JLH 10 Watt class A amplifier
  180. ????????
  181. Heatsink dimensions
  182. Logarythmic attenuator?
  183. Dahlquist DQLP1
  184. Another new Rod Elliot amp! p3B!
  185. VAS transistor choice
  186. Gabevee's SS tube-like preamp
  187. fake mj15003/4
  188. DIY guitar amp
  189. some thoughts on prevention
  190. Paradigm amplifiers? Anthem amplifiers?
  191. STK series type amp bias adjust, how is it done?
  192. DOZ smoking?
  193. Push Pull
  194. original gaincard circuit
  195. Diamond buffers w. CFP outputs
  196. Denon PMA480R amplifier
  197. replacing 2n3055
  198. My Ampli
  199. Transistor ID
  200. AD8099 any good?
  201. Converting unbalanced AF signal to balanced
  202. More Fake Transistors
  203. realy need help
  204. Lowering Buffer Opamp Distortion
  205. Old JFET in mic goes noisy?
  206. A high quality cassette pre amp
  207. 300-800W 8Ohm Sub Amplifier
  208. thermal tracking in quasi-complementary
  209. Why this amp does not function ?????
  210. DIY E-I Core Filter Choke, how?
  211. topology question
  212. AIR-Core Vs Ferrite-Core Inductor in Class-D amplifiers
  213. preamp question
  214. I need a new pa amp to drive monitors.
  215. Switching between LT alignments
  216. What, why, how and where
  217. op amp supply range
  218. How to drive balanced?
  219. Does bridging ever provide power more than 2 times
  220. I have received my new poweramp PCB!, 4layer ...
  221. Can grounding be upgraded?
  222. CPLD vs. uC for PGA2310
  223. Technics SA310 Schematic
  224. where is the emitter resistor?
  225. Help! Load capacitor value...
  226. crosstalk conversation
  227. kinda off topic but i figured i would ask ya'll
  228. i don't find any datasheets for these tranzistors!!
  229. Help needed with Ampliwire I/50
  230. How do I adjust amp bias?
  231. Inverting X circuit
  232. CFP output design problem
  233. What Amp do I need to power these?
  234. Schematic for Sanyo 'Plus A35' ?
  235. which amp for two 10" vifa subs
  236. Extrusion prices
  237. Roksan Kandy Preamp
  238. Is is possible to bridge every amp
  239. Antony's amp
  240. Class A diy power amplifier
  241. need contact adresses of this HUGE amplifier
  242. What is an amplifier??
  243. has any one done this amplifier, i like single-ended
  244. Help!!
  245. Where can I get a TDA7293???
  246. Replace the Mains cable
  247. my 1st preamp
  248. Mosfet..
  249. Looking for a good voltage regulator
  250. how to measure freq response

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