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  1. Component Selection Help for DC Coupled Amp
  2. Getting rid of low level hum in Aragon 4004MKII
  3. Can someone assist me in understanding QSC's grounding scheme in their RMX amps?
  4. How is This Possible???
  5. hand making inductors
  6. Darlington VAS
  7. Kenwood KA-6100 BIAS issues
  8. Please help on Mark Levinson No 331 amp repair
  9. out door power amplifier
  10. Impedance matching in hybrid amp
  11. Asymmetrical Clipping in Modified JLH Output Stage
  12. Modifying Emitter Follower type I
  13. DIY tube alike sound, the magic coating....the hoax!
  14. Schematic for the amc 2n100-5 amp
  15. New type Zobel = <THD
  16. Class A 10W power amplifier - OPA2134+2N3055/MJ2955
  17. 2SA1145 Ltspice model
  18. Simple line buffer
  19. Differential VAS topology Bob Cordell based
  20. Chinese "Hitachi" mosfets
  21. Equivalent transistor to replace MJE243/253 pair
  22. Bob Cordell's Complementary IPS-VAS topology
  23. Amplifier can't drive 5,7 and 13 ohm loads
  24. Adcom power light goes out fast when powered down?
  25. Problems with amplifier MX50 SE
  26. attaching Vbe multiplier to heatsink
  27. Another question about driver bias
  28. EQU PWR OPA PROJECT
  29. Speaker IPOD Power Amplifier P2--- 6W
  30. Differential Amplifier Simulation???
  31. Compensate Amplifiers or Not ! & How best ?
  32. Mcintosh C28 Hum
  33. Which Technics is best
  34. Noob Question Re: Bridging Any Stereo to Mono
  35. Things to consider for the Plate Amplifier
  36. weird solid state problems
  37. Denon AVR-1709 intermittent protect
  38. The Mitronic PA100 2SJ50/2SK135 ready for test.
  39. Searching schematics C-Audio ST400
  40. an STK 30XX solution
  41. Small Head Amp Project
  42. GFA-535: Looking for troubleshooting help
  43. Current Drive for Loudspeakers
  44. Holfi Battriaa documentation wanted
  45. Need help with technics sa-tx50
  46. Are leds noisy ?
  47. 2stageEF high performance class AB power amp / 200W8R / 400W4R
  48. TPC vs TMC vs 'pure Cherry'
  49. Need help troubleshooting clone amp
  50. Square Buttons for NAD-3020
  51. Leach LMF-1 dead channel
  52. Low noise NPN with ECB(123) pinout
  53. Alesis RA300 Short
  54. Looking for a high end ss power amp kit
  55. Denon AVR1906 Repair
  56. P3A AC Calculating
  57. Hughes & Kettner Cream Machine
  58. A new hybrid concept: C-Vac
  59. ESp P3 amp on Cheap 150w amp board
  60. ESP P3A component recommendations
  61. Critique my first PCB routing attempt
  62. AR A-07 amp with ticking phono stage
  63. Jands 920 temp cut-out
  64. audiophile's project sourcebook
  65. LME49830 Project/Boards...
  66. How to wire MTM (or 2.5) woofers if 5 channels available & are doing active XO's??
  67. yamaha a-45 amp customising
  68. 3000W speakers amplifier required
  69. Front panel removal HK 330
  70. chord cmp2600 sounds really low on high volume
  71. PCB routing examples
  72. PCB track size and spacing
  73. Class AC
  74. Looking for DX Blame MK III PCB's
  75. Humming toriodal transformer....?
  76. PPI Precision Power a1200.2 repair?
  77. Sony TA-1130 diagram
  78. Newbie idiots advice please
  79. Denon PMA 737 schematic needed
  80. Used NAD 3060 or LM3886 stero kit?
  81. Super TMC
  82. Looking for some help with Adcom gfa-5503
  83. Luxman RX-102 AM Tuning Scale Problem
  84. Reasonably priced amplification for 4 way active crossover system?
  85. Resurrecting a defunct A3000
  86. Need Schematics for repair
  87. Best way to apply UV soldermask paint?
  88. Sony STR-DE415 loud pop noise when cold
  89. Overstock.com kl-2400
  90. "classless" amplifier simulation
  91. Discrete 35W kit vs LM1875
  92. VAS Biasing
  93. relay coil that heats.
  94. Heatsink Colour ?
  95. Thinking Inside the Box
  96. Popping in the Old Harman Kardon 930
  97. Need help fixing Hafler P505
  98. Silence from my amp
  99. Any Ideas on How to find a Radio Shack MPA@250 amp shematic?
  100. NAD PowerDrive ... How does it really work?
  101. Please help me solve my ground loop issues - Pics and layout attached.
  102. Some dumb rookie questions about output power
  103. Audiolab 8000A low volume from cd input than tuner input
  104. Virtual Ground (A Regulated Rail Splitter)
  105. Marantz pm57 distortion
  106. A DIY amp project to match my transformer?
  107. Enlighten me please. which amp?
  108. Super-complementary output stage
  109. the Golden Gain Ratio
  110. Jands series 920 bias setting?
  111. bias spreader bypass cap
  112. question about transistor package types
  113. Onkyo M-504 troubles - need some advice
  114. Bose 4401 pot
  115. FET drivers for BJT outputs?
  116. Electrocompaniet AW100 case
  117. I want to build a 1-2W class a amplifier for use in a 5,25" pc expansion slot
  118. B&K avr 507 blows fuses
  119. cyrus aca7.5 help
  120. Class A, 4 Watt, No Feedback, Simple Circuit, Great Sound
  121. help explain the current source behavior
  122. Need NAD 3020b service manual
  123. Quad 405 amplifier
  124. Trying to test Hafler dh-500 mosfets
  125. Repairing ElectroVoice CPS4 -- need schematic!!
  126. Noisy phono stage on vintage Pioneer SX-434
  127. LIN LK-85 SOUNDING TINNY AND FLAT
  128. Multiple feedback LP filter ?? Help??
  129. Dynaco PAT-4 input questions
  130. H/K AVI 200 & Sony STR-525 Amp Problem???
  131. DC Coupled amplifier capacitor vlaues
  132. How to measure/trigger/view low level 60/120hz hum?
  133. How did I blow this fisher BA6000
  134. What does the volume knob do - stupid newbie
  135. Stability analysis of EF output stages
  136. Good power amplifiers 6W---25W4R
  137. GNOSYS amplifier - Future come true
  138. The dark side of constant power amplifiers (and similar schemes)
  139. Help Transistor equivalents
  140. Luxman Amp problem.
  141. Snuber question
  142. Rega Elicit, need repair help.
  143. KENWOOD KA-7300 NOT SATISFIED
  144. good pre-amp for 300$
  145. Naim NAP90 - loud hum when no input connected
  146. Advice on choosing a new ~20W Project
  147. minimum inout circuit for testing
  148. Problem With Pioneer Receiver
  149. 2 Preamps on 1 PCB ?
  150. Recapping Quad 99 - simple question..
  151. AC coupled feedback
  152. OK it's late and I need to call it quits.
  153. Event 20/20 Bas
  154. Acousto-electro guitar amp - speakers impedance
  155. pa amp repair.
  156. FET Static Power Dissipation
  157. Best 2N3055 alternatives
  158. what is this amp really - "Digitech" AS-0476
  159. Midrange attenuation of 4-5dB needed
  160. Help to calculate the amplifier
  161. Need help on Yamaha AX-440
  162. NAD 208 arbitrarily into protect mode - more commen when hot
  163. printed datasheets
  164. Miller Compensation Capacitor vs Slew Rate
  165. I need help with a transformers issue
  166. NEED HELP FOR NAD C-320 INT. AMP
  167. Replacing caps in my hk770
  168. Alternatives to transistor BF247A
  169. Amp's output DC comes and goes, any suggestions?
  170. Amc Transformers
  171. Marantz PM68 tweak
  172. Technics SA-404 running hot!
  173. Adcom 545ii problems
  174. About 10-14W Class A amplifier
  175. Need help with SC480 Build
  176. Need a little help with a L 20 amp
  177. Pioneer SX-1050 Re-Capping - Film or Electrolytic??
  178. This meter pegs but amp works fine
  179. Amp woes... Denon POA2400.
  180. Amp woes... Denon POA2400.
  181. Accuphase e-202 relay
  182. OPA7 discrete op-amp modern design
  183. Subamp with ~ 1000 W RMS at 4 Ohms, built at low cost
  184. Building a DJ mixer
  185. Where to buy heatsink for power amp?
  186. NAD T762 Plays analog CD with the Tuner
  187. Help repairing Pioneer M3
  188. dc output protection
  189. Burning in a Transistor amp, does it change anything?
  190. driver emitter resistors.
  191. method of the coherent triplet
  192. Creek Integrated Amp 5250SE -various Versions for Input Selector Switches
  193. QSC A21 bias?
  194. help me get info about a transformer that comes from a Crown XLS 202 PA amp
  195. help me get info about a transformer that comes from a Crown XLS 202 PA amp
  196. NAD 3020A Constant Hum
  197. two opposed transistors to clamp audio signal
  198. headbanger amp
  199. adjust bass boost frequency
  200. Better way of installing gate stopper resistors?
  201. Hi Fi AB amplifier for Powered Speaker
  202. Will these speakers work?
  203. MOSFET gate resistors, carbon?
  204. power handling of output stage emittrer resistors
  205. Buffer & Amp experiment
  206. McIntosh MC2100 question
  207. Runing Quasi's NMOS200 @ 2ohm ?
  208. Soundcraftsmen help
  209. Good old technology?
  210. SC480 Amp Power Supply and Voltages
  211. power resistors in power amps
  212. simple diamond mirror preamplifier
  213. My Amp Collection
  214. battery powered power amps
  215. Rotel RA-970BX problems
  216. help with preliminary calculations
  217. CA9 SCHEMATIC NEEDED
  218. Panasonic SU-2700 Repair (Otherwise known as the Technics SU Z1)
  219. 150W > cheap, simple, bass power amp?
  220. Nad C320 slow warm up
  221. Luxman L-530 damping factor
  222. Marantz PM-230 Amp repair help - Input selector?
  223. Voltage regulator adjustment
  224. Replace a balance pot with resistor?
  225. quasi-balanced working method
  226. My 10W class AB Amplifier
  227. Chassis grounding a Accuphase e-202
  228. Type of outputtransistors in a Classé Audio DR-3
  229. My first PCB - some help needed
  230. Focusrite Voicemaster Preamp Repair Advice
  231. Luxman L11 service manual wanted
  232. Not enough power from my amplifier?
  233. Is it overheating?
  234. Carver M1.5t Output Devices...
  235. SpeakerCraft BB2125 - burnt resistors
  236. Looking for a complete DIY amp
  237. Kenwood KA-3500 Integrated Amp DC Offset / BIAS Adjust confusion
  238. Buffer help needed
  239. How much power for an initial experimentation
  240. Cerwin Vega SUB-150 Loud Hum
  241. Denon PMA-250 amplifier - volume issue
  242. need help repairing ppi 4400m
  243. PV 2000
  244. Accumulator power, stabs free
  245. LME49830 non audio application
  246. Stacking op-amps - pros and cons.
  247. Vintage V-FET Amps - Where Has All The Interest Gone?
  248. Kenwood KA-3500 bias adjustment
  249. help for MARANTZ MA-9S2 schematic
  250. Easy way to listen to power amp via headphones

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