power socket input filtering

[scaesic]

Hi! i really want to put some power sockets on some gain pedals im about to house.

Before i do it, is there a simple circuit do a basic clean up job of the power to the pedal which i can add to any gain pedal power socket input?
could i just have an ac blocking large cap?

[Paul Perry (Frostwave)]

Well, you never know when the cap inside a wart might be partly dried out, so I guess a 1,000 microfarad electro and a .1 ceramic bypass in parallel across the DC input, can't hurt. Neve done it myself, but all the stuff I build has regulators in them 

[scaesic]

How about this:  ac smoothing cap to smooth off large spikes, reverse protection diode, lpf with extra cap to catch the highs that large electrolytic doesnt get.
                           100       
in+ ------¬---------|___|-------------------------------¬---------
              |                         |        |                         |
              |                         |        __                       __
              __                       -       __  2000uF          __  0.1uF
              __     1000uF       ^       |                          |
               |                         |         |                          |
   - -----------------------------------------------------------------

where fo of the lpf is set to 0.7hz
maybe an output buffer to prevent loading?

[Ardric]

I like to put the protection diode after the 100 ohm resistor, in parallel with the 2000uF cap.  Then it not only protects the box from reverse polarity, but it protects the brick by limiting the reverse current.

Replacing the resistor with a choke would probably help even more, but they take up more room in the box.