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

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