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  1. relay coil that heats.
  2. Heatsink Colour ?
  3. Thinking Inside the Box
  4. Popping in the Old Harman Kardon 930
  5. Need help fixing Hafler P505
  6. Silence from my amp
  7. Any Ideas on How to find a Radio Shack MPA@250 amp shematic?
  8. NAD PowerDrive ... How does it really work?
  9. Please help me solve my ground loop issues - Pics and layout attached.
  10. Some dumb rookie questions about output power
  11. Audiolab 8000A low volume from cd input than tuner input
  12. Virtual Ground (A Regulated Rail Splitter)
  13. Marantz pm57 distortion
  14. A DIY amp project to match my transformer?
  15. Enlighten me please. which amp?
  16. Super-complementary output stage
  17. the Golden Gain Ratio
  18. Jands series 920 bias setting?
  19. bias spreader bypass cap
  20. question about transistor package types
  21. Onkyo M-504 troubles - need some advice
  22. Bose 4401 pot
  23. FET drivers for BJT outputs?
  24. Electrocompaniet AW100 case
  25. I want to build a 1-2W class a amplifier for use in a 5,25" pc expansion slot
  26. B&K avr 507 blows fuses
  27. cyrus aca7.5 help
  28. Class A, 4 Watt, No Feedback, Simple Circuit, Great Sound
  29. help explain the current source behavior
  30. Need NAD 3020b service manual
  31. Quad 405 amplifier
  32. Trying to test Hafler dh-500 mosfets
  33. Repairing ElectroVoice CPS4 -- need schematic!!
  34. Noisy phono stage on vintage Pioneer SX-434
  35. LIN LK-85 SOUNDING TINNY AND FLAT
  36. Multiple feedback LP filter ?? Help??
  37. Dynaco PAT-4 input questions
  38. H/K AVI 200 & Sony STR-525 Amp Problem???
  39. DC Coupled amplifier capacitor vlaues
  40. How to measure/trigger/view low level 60/120hz hum?
  41. How did I blow this fisher BA6000
  42. What does the volume knob do - stupid newbie
  43. Stability analysis of EF output stages
  44. Good power amplifiers 6W---25W4R
  45. GNOSYS amplifier - Future come true
  46. The dark side of constant power amplifiers (and similar schemes)
  47. Help Transistor equivalents
  48. Luxman Amp problem.
  49. Snuber question
  50. Rega Elicit, need repair help.
  51. KENWOOD KA-7300 NOT SATISFIED
  52. good pre-amp for 300$
  53. Naim NAP90 - loud hum when no input connected
  54. Advice on choosing a new ~20W Project
  55. minimum inout circuit for testing
  56. Problem With Pioneer Receiver
  57. 2 Preamps on 1 PCB ?
  58. Recapping Quad 99 - simple question..
  59. AC coupled feedback
  60. OK it's late and I need to call it quits.
  61. Event 20/20 Bas
  62. Acousto-electro guitar amp - speakers impedance
  63. pa amp repair.
  64. FET Static Power Dissipation
  65. Best 2N3055 alternatives
  66. what is this amp really - "Digitech" AS-0476
  67. Midrange attenuation of 4-5dB needed
  68. Help to calculate the amplifier
  69. Need help on Yamaha AX-440
  70. NAD 208 arbitrarily into protect mode - more commen when hot
  71. printed datasheets
  72. Miller Compensation Capacitor vs Slew Rate
  73. I need help with a transformers issue
  74. NEED HELP FOR NAD C-320 INT. AMP
  75. Replacing caps in my hk770
  76. Alternatives to transistor BF247A
  77. Amp's output DC comes and goes, any suggestions?
  78. Amc Transformers
  79. Marantz PM68 tweak
  80. Technics SA-404 running hot!
  81. Adcom 545ii problems
  82. About 10-14W Class A amplifier
  83. Need help with SC480 Build
  84. Need a little help with a L 20 amp
  85. Pioneer SX-1050 Re-Capping - Film or Electrolytic??
  86. This meter pegs but amp works fine
  87. Amp woes... Denon POA2400.
  88. Amp woes... Denon POA2400.
  89. Accuphase e-202 relay
  90. OPA7 discrete op-amp modern design
  91. Subamp with ~ 1000 W RMS at 4 Ohms, built at low cost
  92. Building a DJ mixer
  93. Where to buy heatsink for power amp?
  94. NAD T762 Plays analog CD with the Tuner
  95. Help repairing Pioneer M3
  96. dc output protection
  97. Burning in a Transistor amp, does it change anything?
  98. driver emitter resistors.
  99. method of the coherent triplet
  100. Creek Integrated Amp 5250SE -various Versions for Input Selector Switches
  101. QSC A21 bias?
  102. help me get info about a transformer that comes from a Crown XLS 202 PA amp
  103. help me get info about a transformer that comes from a Crown XLS 202 PA amp
  104. NAD 3020A Constant Hum
  105. two opposed transistors to clamp audio signal
  106. headbanger amp
  107. adjust bass boost frequency
  108. Better way of installing gate stopper resistors?
  109. Hi Fi AB amplifier for Powered Speaker
  110. Will these speakers work?
  111. MOSFET gate resistors, carbon?
  112. power handling of output stage emittrer resistors
  113. Buffer & Amp experiment
  114. McIntosh MC2100 question
  115. Runing Quasi's NMOS200 @ 2ohm ?
  116. Soundcraftsmen help
  117. Good old technology?
  118. SC480 Amp Power Supply and Voltages
  119. power resistors in power amps
  120. simple diamond mirror preamplifier
  121. My Amp Collection
  122. battery powered power amps
  123. Rotel RA-970BX problems
  124. help with preliminary calculations
  125. CA9 Schematic needed
  126. Panasonic SU-2700 Repair (Otherwise known as the Technics SU Z1)
  127. 150W > cheap, simple, bass power amp?
  128. Nad C320 slow warm up
  129. Luxman L-530 damping factor
  130. Marantz PM-230 Amp repair help - Input selector?
  131. Voltage regulator adjustment
  132. Replace a balance pot with resistor?
  133. quasi-balanced working method
  134. My 10W class AB Amplifier
  135. Chassis grounding a Accuphase e-202
  136. Type of outputtransistors in a Classé Audio DR-3
  137. My first PCB - some help needed
  138. Focusrite Voicemaster Preamp Repair Advice
  139. Luxman L11 service manual wanted
  140. Not enough power from my amplifier?
  141. Is it overheating?
  142. Carver M1.5t Output Devices...
  143. SpeakerCraft BB2125 - burnt resistors
  144. Looking for a complete DIY amp
  145. Kenwood KA-3500 Integrated Amp DC Offset / BIAS Adjust confusion
  146. Buffer help needed
  147. How much power for an initial experimentation
  148. Cerwin Vega SUB-150 Loud Hum
  149. Denon PMA-250 amplifier - volume issue
  150. need help repairing ppi 4400m
  151. PV 2000
  152. Accumulator power, stabs free
  153. LME49830 non audio application
  154. Stacking op-amps - pros and cons.
  155. Vintage V-FET Amps - Where Has All The Interest Gone?
  156. Kenwood KA-3500 bias adjustment
  157. help for MARANTZ MA-9S2 schematic
  158. Easy way to listen to power amp via headphones
  159. Amplifier with nested Miller compensation
  160. Audio Sonic ST-500 integrated
  161. Help on Sansui amp board
  162. The Pulley amplifier - Wilson mirror
  163. Replacing TO3 transistor insulators
  164. Dynaco Stereo 400 Headache
  165. Crimson Elektrik Literature from 1979
  166. Any kit/board suggestions?
  167. What about this amp-CFA or VFA?
  168. 400w high fidelity diy amp, where can I find them?
  169. LM317/337 causing problems with my amp? Hegel H1
  170. Negative Feedback Caps - Bipolar OK?
  171. DC Offset readings?
  172. Potting the input stage changes tone?
  173. Elektor Preamp 2012 (Douglas Self) Mini, low budget
  174. "Simple" CF amplifier circuit...
  175. Fujitsu 5200 power transistors in TO220 packaging?
  176. 2 preamps in the same poweramp
  177. Recapping of SS amplifier
  178. Mic preamp for dynamic mics, any glaring errors ?
  179. Unknown mosfet amplifier
  180. More current mirror confusion
  181. Have power need a kit
  182. Why is the output of the IPS LTP considered a current output?
  183. Crescendo Elektor Modify Suggestions
  184. Strange crackle in my Rega Mira
  185. Naim Nait 2. Gone very quiet.
  186. Rotel AV amp for 2-channel?
  187. Adding gain to INA134 ?
  188. how to test a vi limiter
  189. Mark Levinson 26 questions
  190. Multisim transistor models needed.
  191. Latest project 500 watt class AB in a PC case.
  192. fuse // cap for basic passive speaker protection ?
  193. Lateral Mosfet Amplifier Design
  194. Min DIN
  195. 25W Mosfet Amp troubleshooting
  196. Hill DX 3000 low power
  197. Leach SuperAmp with 2/4 extra pair of output devices?
  198. Albarry m408 upgrade questions...
  199. Is NJM4580D an upgraded NJM4560D ?
  200. Current mirror load in a LTP
  201. Need suggestion
  202. Assembled DIY Phono Amp OPA2134PA on Ebay
  203. PHASE LINEAR 4000 PRE
  204. NAD 916 DC offset correction ?
  205. BD139 Odd problem- NAD 3140
  206. Power Decoupling & Hum Noise
  207. Respectable THD levels for double EF Amp
  208. Kenwood ka-801 Help how to remove current limiter SOA
  209. Fender BXR 60 bass amp buzz (preamp section)
  210. 140V/us
  211. ANYONE WITH CYRUS 2 VERSION 7?
  212. Trouble with Denon Avr 5805
  213. someone can help me to analyze this circuit?
  214. Philips FR675 repair: replace 2SC2240 with ZTX458
  215. Why is my amp oscillating ?
  216. Crimson Elektrik PCB's
  217. Carver M1.5 Crackle Noise
  218. End resistors Cyrus 8v2 mod
  219. Would an 12v to 240v inverter run an amp?
  220. Is there any place need to improve in this power amplifier
  221. My dream amplifier, wished I knew how to make it.
  222. Repair of Onkyo TX-SR506 (One transistor blown)
  223. Wanted! 12AU7-Mosfet hybrid from Musen to Jikken
  224. More than 25watts realy needed ?
  225. Marantz 2385 problem
  226. Correct way for PSU?
  227. Turn on pop Rockfosgate Hafler
  228. How do you solder this 24pin SMD IC+
  229. Computing output impedance (Cordell's book)
  230. How to reset NAD AV 713?
  231. Service manual Nad AV 713?
  232. NAD 2600A Modification Question
  233. Is this preamp circuit OK?
  234. ringing with squarewave
  235. Matching MOSFETs
  236. Bypass Balance Pot
  237. Power Amplifier WITHOUT compensation
  238. Voltage amplifier: V -Ro> 1k (4Vp) and Phone -Ro = 32R
  239. Kenwood KM208
  240. Step Response Simulation for SSPA
  241. Is kit for the Hafler xl280 worth the $?
  242. Help Fixing Technics SU-V4X
  243. Modify amp from voltage to current feedback for low Qts drivers
  244. Crest 8001 Pro, randomly in protect, need help
  245. Harman/Kardon HK870 blowing fuses
  246. Audiolab 8000a volume control repair
  247. A power steering for the output
  248. Cambridge Audio 640A Overheating / Distortion
  249. Ferguson stereo casseiver model # 3926 - year 1979
  250. What to connect to earth ground?

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