Replacing supercapacitor in Onkyo Integra T-4087 tuner

If you have an Onkyo Integra tuner that has memory problems, the culprit is most likely a supercapacitor that Onkyo used to provide power for preset memory when unit is unplugged. 131 more words


Caps, KERS, and Burning Boeings

Initial opinion was that the horrific fire in the Williams garage after the Formula 1 Spanish Grand Prix on 13 May 2012 originated in the KERS inside one of the race cars, as did a second (thankfully more minor) fire the following July. 609 more words


UC San Diego: Increasing Energy Storage Capacity: Charged "Holes" in Graphene: Applications: Cars, Wind Turbines, Solar Power

Engineers at the University of California, San Diego have discovered a method to increase the amount of electric charge that can be stored in graphene, a two-dimensional form of carbon. 462 more words


Final Lab Practical: Antenna Systems

For your final examination of how amazing you are as Electrical and Computer Engineers we will be doing a multi-week lab that will synthesize everything you have learned through out the semester. 72 more words

Circuit Lab

A Special Christmas

For there is born to you, this day, in the city of David, a Savior, who is Christ the Lord. (Luke 2:11 WEB)

While growing up Christmas was for me always a special time in our home.

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Electrolytic Capacitors

You find electrolytic capacitors in the power supply and decoupling of valves in Hifi and guitar amps. They are like a battery because they have a positive and negative terminal.   310 more words

Vox AC30

Small Capacitors

Your amp is filled with small capacitors as in the picture below.  They come in many different colours so this is jut a sample

In simple terms,  is in the filter circuits ( tone shaping) or to pass the audio ( AC) signal to the next stage of the amp while blocking the DC voltages. 266 more words

Guitar Amp Repair