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  1. Things to consider for the Plate Amplifier
  2. weird solid state problems
  3. Denon AVR-1709 intermittent protect
  4. The Mitronic PA100 2SJ50/2SK135 ready for test.
  5. Searching schematics C-Audio ST400
  6. an STK 30XX solution
  7. Small Head Amp Project
  8. GFA-535: Looking for troubleshooting help
  9. Current Drive for Loudspeakers
  10. Holfi Battriaa documentation wanted
  11. Need help with technics sa-tx50
  12. Are leds noisy ?
  13. 2stageEF high performance class AB power amp / 200W8R / 400W4R
  14. TPC vs TMC vs 'pure Cherry'
  15. Need help troubleshooting clone amp
  16. Square Buttons for NAD-3020
  17. Leach LMF-1 dead channel
  18. Low noise NPN with ECB(123) pinout
  19. Alesis RA300 Short
  20. Looking for a high end ss power amp kit
  21. Denon AVR1906 Repair
  22. P3A AC Calculating
  23. Hughes & Kettner Cream Machine
  24. A new hybrid concept: C-Vac
  25. ESp P3 amp on Cheap 150w amp board
  26. ESP P3A component recommendations
  27. Critique my first PCB routing attempt
  28. AR A-07 amp with ticking phono stage
  29. Jands 920 temp cut-out
  30. audiophile's project sourcebook
  31. LME49830 Project/Boards...
  32. How to wire MTM (or 2.5) woofers if 5 channels available & are doing active XO's??
  33. yamaha a-45 amp customising
  34. 3000W speakers amplifier required
  35. Front panel removal HK 330
  36. chord cmp2600 sounds really low on high volume
  37. PCB routing examples
  38. PCB track size and spacing
  39. Class AC
  40. Looking for DX Blame MK III PCB's
  41. Humming toriodal transformer....?
  42. PPI Precision Power a1200.2 repair?
  43. Sony TA-1130 diagram
  44. Newbie idiots advice please
  45. Denon PMA 737 schematic needed
  46. Used NAD 3060 or LM3886 stero kit?
  47. Super TMC
  48. Looking for some help with Adcom gfa-5503
  49. Luxman RX-102 AM Tuning Scale Problem
  50. Reasonably priced amplification for 4 way active crossover system?
  51. Resurrecting a defunct A3000
  52. Need Schematics for repair
  53. Best way to apply UV soldermask paint?
  54. Sony STR-DE415 loud pop noise when cold
  55. Overstock.com kl-2400
  56. "classless" amplifier simulation
  57. Discrete 35W kit vs LM1875
  58. VAS Biasing
  59. relay coil that heats.
  60. Heatsink Colour ?
  61. Thinking Inside the Box
  62. Popping in the Old Harman Kardon 930
  63. Need help fixing Hafler P505
  64. Silence from my amp
  65. Any Ideas on How to find a Radio Shack MPA@250 amp shematic?
  66. NAD PowerDrive ... How does it really work?
  67. Please help me solve my ground loop issues - Pics and layout attached.
  68. Some dumb rookie questions about output power
  69. Audiolab 8000A low volume from cd input than tuner input
  70. Virtual Ground (A Regulated Rail Splitter)
  71. Marantz pm57 distortion
  72. A DIY amp project to match my transformer?
  73. Enlighten me please. which amp?
  74. Super-complementary output stage
  75. the Golden Gain Ratio
  76. Jands series 920 bias setting?
  77. bias spreader bypass cap
  78. question about transistor package types
  79. Onkyo M-504 troubles - need some advice
  80. Bose 4401 pot
  81. FET drivers for BJT outputs?
  82. Electrocompaniet AW100 case
  83. I want to build a 1-2W class a amplifier for use in a 5,25" pc expansion slot
  84. B&K avr 507 blows fuses
  85. cyrus aca7.5 help
  86. Class A, 4 Watt, No Feedback, Simple Circuit, Great Sound
  87. help explain the current source behavior
  88. Need NAD 3020b service manual
  89. Quad 405 amplifier
  90. Trying to test Hafler dh-500 mosfets
  91. Repairing ElectroVoice CPS4 -- need schematic!!
  92. Noisy phono stage on vintage Pioneer SX-434
  93. LIN LK-85 SOUNDING TINNY AND FLAT
  94. Multiple feedback LP filter ?? Help??
  95. Dynaco PAT-4 input questions
  96. H/K AVI 200 & Sony STR-525 Amp Problem???
  97. DC Coupled amplifier capacitor vlaues
  98. How to measure/trigger/view low level 60/120hz hum?
  99. How did I blow this fisher BA6000
  100. What does the volume knob do - stupid newbie
  101. Stability analysis of EF output stages
  102. Good power amplifiers 6W---25W4R
  103. GNOSYS amplifier - Future come true
  104. The dark side of constant power amplifiers (and similar schemes)
  105. Help Transistor equivalents
  106. Luxman Amp problem.
  107. Snuber question
  108. Rega Elicit, need repair help.
  109. KENWOOD KA-7300 NOT SATISFIED
  110. good pre-amp for 300$
  111. Naim NAP90 - loud hum when no input connected
  112. Advice on choosing a new ~20W Project
  113. minimum inout circuit for testing
  114. Problem With Pioneer Receiver
  115. 2 Preamps on 1 PCB ?
  116. Recapping Quad 99 - simple question..
  117. AC coupled feedback
  118. OK it's late and I need to call it quits.
  119. Event 20/20 Bas
  120. Acousto-electro guitar amp - speakers impedance
  121. pa amp repair.
  122. FET Static Power Dissipation
  123. Best 2N3055 alternatives
  124. what is this amp really - "Digitech" AS-0476
  125. Midrange attenuation of 4-5dB needed
  126. Help to calculate the amplifier
  127. Need help on Yamaha AX-440
  128. NAD 208 arbitrarily into protect mode - more commen when hot
  129. printed datasheets
  130. Miller Compensation Capacitor vs Slew Rate
  131. I need help with a transformers issue
  132. NEED HELP FOR NAD C-320 INT. AMP
  133. Replacing caps in my hk770
  134. Alternatives to transistor BF247A
  135. Amp's output DC comes and goes, any suggestions?
  136. Amc Transformers
  137. Marantz PM68 tweak
  138. Technics SA-404 running hot!
  139. Adcom 545ii problems
  140. About 10-14W Class A amplifier
  141. Need help with SC480 Build
  142. Need a little help with a L 20 amp
  143. Pioneer SX-1050 Re-Capping - Film or Electrolytic??
  144. This meter pegs but amp works fine
  145. Amp woes... Denon POA2400.
  146. Amp woes... Denon POA2400.
  147. Accuphase e-202 relay
  148. OPA7 discrete op-amp modern design
  149. Subamp with ~ 1000 W RMS at 4 Ohms, built at low cost
  150. Building a DJ mixer
  151. Where to buy heatsink for power amp?
  152. NAD T762 Plays analog CD with the Tuner
  153. Help repairing Pioneer M3
  154. dc output protection
  155. Burning in a Transistor amp, does it change anything?
  156. driver emitter resistors.
  157. method of the coherent triplet
  158. Creek Integrated Amp 5250SE -various Versions for Input Selector Switches
  159. QSC A21 bias?
  160. help me get info about a transformer that comes from a Crown XLS 202 PA amp
  161. help me get info about a transformer that comes from a Crown XLS 202 PA amp
  162. NAD 3020A Constant Hum
  163. two opposed transistors to clamp audio signal
  164. headbanger amp
  165. adjust bass boost frequency
  166. Better way of installing gate stopper resistors?
  167. Hi Fi AB amplifier for Powered Speaker
  168. Will these speakers work?
  169. MOSFET gate resistors, carbon?
  170. power handling of output stage emittrer resistors
  171. Buffer & Amp experiment
  172. McIntosh MC2100 question
  173. Runing Quasi's NMOS200 @ 2ohm ?
  174. Soundcraftsmen help
  175. Good old technology?
  176. SC480 Amp Power Supply and Voltages
  177. power resistors in power amps
  178. simple diamond mirror preamplifier
  179. My Amp Collection
  180. battery powered power amps
  181. Rotel RA-970BX problems
  182. help with preliminary calculations
  183. CA9 SCHEMATIC NEEDED
  184. Panasonic SU-2700 Repair (Otherwise known as the Technics SU Z1)
  185. 150W > cheap, simple, bass power amp?
  186. Nad C320 slow warm up
  187. Luxman L-530 damping factor
  188. Marantz PM-230 Amp repair help - Input selector?
  189. Voltage regulator adjustment
  190. Replace a balance pot with resistor?
  191. quasi-balanced working method
  192. My 10W class AB Amplifier
  193. Chassis grounding a Accuphase e-202
  194. Type of outputtransistors in a Classé Audio DR-3
  195. My first PCB - some help needed
  196. Focusrite Voicemaster Preamp Repair Advice
  197. Luxman L11 service manual wanted
  198. Not enough power from my amplifier?
  199. Is it overheating?
  200. Carver M1.5t Output Devices...
  201. SpeakerCraft BB2125 - burnt resistors
  202. Looking for a complete DIY amp
  203. Kenwood KA-3500 Integrated Amp DC Offset / BIAS Adjust confusion
  204. Buffer help needed
  205. How much power for an initial experimentation
  206. Cerwin Vega SUB-150 Loud Hum
  207. Denon PMA-250 amplifier - volume issue
  208. need help repairing ppi 4400m
  209. PV 2000
  210. Accumulator power, stabs free
  211. LME49830 non audio application
  212. Stacking op-amps - pros and cons.
  213. Vintage V-FET Amps - Where Has All The Interest Gone?
  214. Kenwood KA-3500 bias adjustment
  215. help for MARANTZ MA-9S2 schematic
  216. Easy way to listen to power amp via headphones
  217. Amplifier with nested Miller compensation
  218. Audio Sonic ST-500 integrated
  219. Help on Sansui amp board
  220. The Pulley amplifier - Wilson mirror
  221. Replacing TO3 transistor insulators
  222. Dynaco Stereo 400 Headache
  223. Crimson Elektrik Literature from 1979
  224. Any kit/board suggestions?
  225. What about this amp-CFA or VFA?
  226. 400w high fidelity diy amp, where can I find them?
  227. LM317/337 causing problems with my amp? Hegel H1
  228. Negative Feedback Caps - Bipolar OK?
  229. DC Offset readings?
  230. Potting the input stage changes tone?
  231. Elektor Preamp 2012 (Douglas Self) Mini, low budget
  232. "Simple" CF amplifier circuit...
  233. Fujitsu 5200 power transistors in TO220 packaging?
  234. 2 preamps in the same poweramp
  235. Recapping of SS amplifier
  236. Mic preamp for dynamic mics, any glaring errors ?
  237. Unknown mosfet amplifier
  238. More current mirror confusion
  239. Have power need a kit
  240. Why is the output of the IPS LTP considered a current output?
  241. Crescendo Elektor Modify Suggestions
  242. Strange crackle in my Rega Mira
  243. Naim Nait 2. Gone very quiet.
  244. Rotel AV amp for 2-channel?
  245. Adding gain to INA134 ?
  246. how to test a vi limiter
  247. Mark Levinson 26 questions
  248. Multisim transistor models needed.
  249. Latest project 500 watt class AB in a PC case.
  250. fuse // cap for basic passive speaker protection ?

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