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  1. 2stageEF high performance class AB power amp / 200W8R / 400W4R
  2. TPC vs TMC vs 'pure Cherry'
  3. Need help troubleshooting clone amp
  4. Square Buttons for NAD-3020
  5. Leach LMF-1 dead channel
  6. Low noise NPN with ECB(123) pinout
  7. Alesis RA300 Short
  8. Looking for a high end ss power amp kit
  9. Denon AVR1906 Repair
  10. P3A AC Calculating
  11. Hughes & Kettner Cream Machine
  12. A new hybrid concept: C-Vac
  13. ESp P3 amp on Cheap 150w amp board
  14. ESP P3A component recommendations
  15. Critique my first PCB routing attempt
  16. AR A-07 amp with ticking phono stage
  17. Jands 920 temp cut-out
  18. audiophile's project sourcebook
  19. LME49830 Project/Boards...
  20. How to wire MTM (or 2.5) woofers if 5 channels available & are doing active XO's??
  21. yamaha a-45 amp customising
  22. 3000W speakers amplifier required
  23. Front panel removal HK 330
  24. chord cmp2600 sounds really low on high volume
  25. PCB routing examples
  26. PCB track size and spacing
  27. Class AC
  28. Looking for DX Blame MK III PCB's
  29. Humming toriodal transformer....?
  30. PPI Precision Power a1200.2 repair?
  31. Sony TA-1130 diagram
  32. Newbie idiots advice please
  33. Denon PMA 737 schematic needed
  34. Used NAD 3060 or LM3886 stero kit?
  35. Super TMC
  36. Looking for some help with Adcom gfa-5503
  37. Luxman RX-102 AM Tuning Scale Problem
  38. Reasonably priced amplification for 4 way active crossover system?
  39. Resurrecting a defunct A3000
  40. Need Schematics for repair
  41. Best way to apply UV soldermask paint?
  42. Sony STR-DE415 loud pop noise when cold
  43. Overstock.com kl-2400
  44. "classless" amplifier simulation
  45. Discrete 35W kit vs LM1875
  46. VAS Biasing
  47. relay coil that heats.
  48. Heatsink Colour ?
  49. Thinking Inside the Box
  50. Popping in the Old Harman Kardon 930
  51. Need help fixing Hafler P505
  52. Silence from my amp
  53. Any Ideas on How to find a Radio Shack MPA@250 amp shematic?
  54. NAD PowerDrive ... How does it really work?
  55. Please help me solve my ground loop issues - Pics and layout attached.
  56. Some dumb rookie questions about output power
  57. Audiolab 8000A low volume from cd input than tuner input
  58. Virtual Ground (A Regulated Rail Splitter)
  59. Marantz pm57 distortion
  60. A DIY amp project to match my transformer?
  61. Enlighten me please. which amp?
  62. Super-complementary output stage
  63. the Golden Gain Ratio
  64. Jands series 920 bias setting?
  65. bias spreader bypass cap
  66. question about transistor package types
  67. Onkyo M-504 troubles - need some advice
  68. Bose 4401 pot
  69. FET drivers for BJT outputs?
  70. Electrocompaniet AW100 case
  71. I want to build a 1-2W class a amplifier for use in a 5,25" pc expansion slot
  72. B&K avr 507 blows fuses
  73. cyrus aca7.5 help
  74. Class A, 4 Watt, No Feedback, Simple Circuit, Great Sound
  75. help explain the current source behavior
  76. Need NAD 3020b service manual
  77. Quad 405 amplifier
  78. Trying to test Hafler dh-500 mosfets
  79. Repairing ElectroVoice CPS4 -- need schematic!!
  80. Noisy phono stage on vintage Pioneer SX-434
  81. LIN LK-85 SOUNDING TINNY AND FLAT
  82. Multiple feedback LP filter ?? Help??
  83. Dynaco PAT-4 input questions
  84. H/K AVI 200 & Sony STR-525 Amp Problem???
  85. DC Coupled amplifier capacitor vlaues
  86. How to measure/trigger/view low level 60/120hz hum?
  87. How did I blow this fisher BA6000
  88. What does the volume knob do - stupid newbie
  89. Stability analysis of EF output stages
  90. Good power amplifiers 6W---25W4R
  91. GNOSYS amplifier - Future come true
  92. The dark side of constant power amplifiers (and similar schemes)
  93. Help Transistor equivalents
  94. Luxman Amp problem.
  95. Snuber question
  96. Rega Elicit, need repair help.
  97. KENWOOD KA-7300 NOT SATISFIED
  98. good pre-amp for 300$
  99. Naim NAP90 - loud hum when no input connected
  100. Advice on choosing a new ~20W Project
  101. minimum inout circuit for testing
  102. Problem With Pioneer Receiver
  103. 2 Preamps on 1 PCB ?
  104. Recapping Quad 99 - simple question..
  105. AC coupled feedback
  106. OK it's late and I need to call it quits.
  107. Event 20/20 Bas
  108. Acousto-electro guitar amp - speakers impedance
  109. pa amp repair.
  110. FET Static Power Dissipation
  111. Best 2N3055 alternatives
  112. what is this amp really - "Digitech" AS-0476
  113. Midrange attenuation of 4-5dB needed
  114. Help to calculate the amplifier
  115. Need help on Yamaha AX-440
  116. NAD 208 arbitrarily into protect mode - more commen when hot
  117. printed datasheets
  118. Miller Compensation Capacitor vs Slew Rate
  119. I need help with a transformers issue
  120. NEED HELP FOR NAD C-320 INT. AMP
  121. Replacing caps in my hk770
  122. Alternatives to transistor BF247A
  123. BEWARE! All eBay 2N5564, 2N5565, and 2N5566 from China/HK are FAKE!
  124. Amp's output DC comes and goes, any suggestions?
  125. Amc Transformers
  126. Marantz PM68 tweak
  127. Technics SA-404 running hot!
  128. Adcom 545ii problems
  129. About 10-14W Class A amplifier
  130. Need help with SC480 Build
  131. Need a little help with a L 20 amp
  132. Pioneer SX-1050 Re-Capping - Film or Electrolytic??
  133. This meter pegs but amp works fine
  134. Amp woes... Denon POA2400.
  135. Amp woes... Denon POA2400.
  136. Accuphase e-202 relay
  137. OPA7 discrete op-amp modern design
  138. Subamp with ~ 1000 W RMS at 4 Ohms, built at low cost
  139. Building a DJ mixer
  140. Where to buy heatsink for power amp?
  141. NAD T762 Plays analog CD with the Tuner
  142. Help repairing Pioneer M3
  143. dc output protection
  144. Burning in a Transistor amp, does it change anything?
  145. driver emitter resistors.
  146. method of the coherent triplet
  147. Creek Integrated Amp 5250SE -various Versions for Input Selector Switches
  148. QSC A21 bias?
  149. help me get info about a transformer that comes from a Crown XLS 202 PA amp
  150. help me get info about a transformer that comes from a Crown XLS 202 PA amp
  151. NAD 3020A Constant Hum
  152. two opposed transistors to clamp audio signal
  153. headbanger amp
  154. adjust bass boost frequency
  155. Better way of installing gate stopper resistors?
  156. Hi Fi AB amplifier for Powered Speaker
  157. Will these speakers work?
  158. MOSFET gate resistors, carbon?
  159. power handling of output stage emittrer resistors
  160. Buffer & Amp experiment
  161. McIntosh MC2100 question
  162. Runing Quasi's NMOS200 @ 2ohm ?
  163. Soundcraftsmen help
  164. Good old technology?
  165. SC480 Amp Power Supply and Voltages
  166. power resistors in power amps
  167. simple diamond mirror preamplifier
  168. My Amp Collection
  169. battery powered power amps
  170. Rotel RA-970BX problems
  171. help with preliminary calculations
  172. CA9 SCHEMATIC NEEDED
  173. Panasonic SU-2700 Repair (Otherwise known as the Technics SU Z1)
  174. 150W > cheap, simple, bass power amp?
  175. Nad C320 slow warm up
  176. Luxman L-530 damping factor
  177. Marantz PM-230 Amp repair help - Input selector?
  178. Voltage regulator adjustment
  179. Replace a balance pot with resistor?
  180. quasi-balanced working method
  181. My 10W class AB Amplifier
  182. Chassis grounding a Accuphase e-202
  183. Type of outputtransistors in a Classé Audio DR-3
  184. My first PCB - some help needed
  185. Focusrite Voicemaster Preamp Repair Advice
  186. Luxman L11 service manual wanted
  187. Not enough power from my amplifier?
  188. Is it overheating?
  189. Carver M1.5t Output Devices...
  190. SpeakerCraft BB2125 - burnt resistors
  191. Looking for a complete DIY amp
  192. Kenwood KA-3500 Integrated Amp DC Offset / BIAS Adjust confusion
  193. Buffer help needed
  194. How much power for an initial experimentation
  195. Cerwin Vega SUB-150 Loud Hum
  196. Denon PMA-250 amplifier - volume issue
  197. need help repairing ppi 4400m
  198. PV 2000
  199. Accumulator power, stabs free
  200. LME49830 non audio application
  201. Stacking op-amps - pros and cons.
  202. Vintage V-FET Amps - Where Has All The Interest Gone?
  203. Kenwood KA-3500 bias adjustment
  204. help for MARANTZ MA-9S2 schematic
  205. Easy way to listen to power amp via headphones
  206. Amplifier with nested Miller compensation
  207. Audio Sonic ST-500 integrated
  208. Help on Sansui amp board
  209. The Pulley amplifier - Wilson mirror
  210. Replacing TO3 transistor insulators
  211. Dynaco Stereo 400 Headache
  212. Crimson Elektrik Literature from 1979
  213. Any kit/board suggestions?
  214. What about this amp-CFA or VFA?
  215. 400w high fidelity diy amp, where can I find them?
  216. LM317/337 causing problems with my amp? Hegel H1
  217. Negative Feedback Caps - Bipolar OK?
  218. DC Offset readings?
  219. Potting the input stage changes tone?
  220. Elektor Preamp 2012 (Douglas Self) Mini, low budget
  221. "Simple" CF amplifier circuit...
  222. Fujitsu 5200 power transistors in TO220 packaging?
  223. 2 preamps in the same poweramp
  224. Recapping of SS amplifier
  225. Mic preamp for dynamic mics, any glaring errors ?
  226. Unknown mosfet amplifier
  227. More current mirror confusion
  228. Have power need a kit
  229. Why is the output of the IPS LTP considered a current output?
  230. Crescendo Elektor Modify Suggestions
  231. Strange crackle in my Rega Mira
  232. Naim Nait 2. Gone very quiet.
  233. Rotel AV amp for 2-channel?
  234. Adding gain to INA134 ?
  235. how to test a vi limiter
  236. Mark Levinson 26 questions
  237. Multisim transistor models needed.
  238. Latest project 500 watt class AB in a PC case.
  239. fuse // cap for basic passive speaker protection ?
  240. Lateral Mosfet Amplifier Design
  241. Min DIN
  242. 25W Mosfet Amp troubleshooting
  243. Hill DX 3000 low power
  244. Leach SuperAmp with 2/4 extra pair of output devices?
  245. Albarry m408 upgrade questions...
  246. Is NJM4580D an upgraded NJM4560D ?
  247. Current mirror load in a LTP
  248. Need suggestion
  249. Assembled DIY Phono Amp OPA2134PA on Ebay
  250. PHASE LINEAR 4000 PRE