[tortoiseman2542]

Hey all...

I'm looking at the X-Statik and X-Voce diagrams, along with my LS-6 and LS-C diagrams, and I'm trying to tell how many bypass caps I will need for each.  Anyone know how many are needed for each.  I think they are as follows but am not sure.

X-Statik's - 2 per speaker
X-Voce - 2 per speaker
LS-6 - 4 per speaker
LS-C - 3 per speaker

Ideas?

Thanks!
Robert

[corndog71]

All of the caps in a crossover can be bypassed but most people start with the ones in the signal path of the tweeter.

[Hobbsmeerkat]

If you have a cap used in shunt, its not necessary to bypass that cap, since it's likely a notch filter. Just the main caps along the positive run of the tweeter. (A 0.1uF or smaller is generally recommended)

If it's a large cap used for the mids/bass, then I would consider bypassing it with a 0.1 uF cap or something 1/100th (or smaller) the value of said large cap. (A 50uF cap can get away with a 0.47uF bypass or smaller.)

[tortoiseman2542]

If you have a cap used in shunt, its not necessary to bypass that cap, since it's likely a notch filter. Just the main caps along the positive run of the tweeter. (A 0.1uF or smaller is generally recommended)

If it's a large cap used for the mids/bass, then I would consider bypassing it with a 0.1 uF cap or something 1/100th (or smaller) the value of said large cap. (A 50uF cap can get away with a 0.47uF bypass or smaller.)

Pardon the ignorance Hobbs but how do I tell if a cap is in shunt position?  I did a cursory search. It see no illicit examples of a network illustrating this.

Thanks!
Robert

[Hobbsmeerkat]

Its easiest to tell when looking at a schematic.

Heres a basic one I sketched up:



You're most likely to see a capacitor in shunt on mid/bass circuit.
They are designed to pull down the top end of the woofer faster than an inductor alone. They tend to be the larger caps in the circuit. Thought not always.

In a tweeter circuit, about the only time you will see a cap in shunt will be a smaller value than the main caps in line with an inductor and resistor

[tortoiseman2542]

Thanks Hobbs!  That’s super helpful.

Robert