[urq] Electrical Experts - Question re. Capacitor installation

[Grant Lenahan]

Any power supply filter cap on a DC power supply should be in parallel ( 
across ground and power) and clsoe to the load. Any cap in series will 
block all DC, acting as a hgih pass filter.

I think you may have seen a DC blocking circuit for the audio (music) 
side of the amp.

Grant

Ben Swann wrote:
> Something new to my realm of expertise.  
>
> I would like to install an electrolytic capacitor to act as a buffer for an ignition
> system – sort of like placing a second battery up close to the load..  Since the
> distance of the battery to the coil is about 7-8’ and my understanding that a circuit
> may lag,  it seems installing a large capacitor might be a good idea.   If so, it makes
> sense that I’d install it in parallel with respect to feed wire and ground, however
> diagrams for most stereo AMP installations show the cap to be inline, with no other
> current path to the amp.
>
> Is it OK to install an electrolytic cap. as sort of a buffer or quick discharge
> batteryin parallel with the circuit?  That is basically to connect the positive end to
> battery post near load and ground as normal, leaving the original positive feed path
> intact.  I have some 1 and 2 Farad caps  and this is mainly to prevent lag at high RPM,
> similar to stereo clipping at high volume.
>
> Good Idea or ???  I’m doing some searches, but not finding a solid answer. 
>
> TIA
>
> Ben
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