help, need some figures

Status
Not open for further replies.
Glad to see SigJenny works for you. there are other online generators if it didn't.

Yes, that goes to one channel of the amp. Yes, that picture goes between your CD player and your amp. That is if you want a 6 dB/octave slope.

There is a way to run both channels into one speaker. It was the first question I ever asked on this forum. I'll see if I can dig up the link.
 
Hmmm, looks like you need some electronic work to make that "two channels into one speaker" thing work.

I would guess that you could probably do it with a cheap transformer in front of the reciever or power amp, but I have not ried such an arrangement and can not therefore recommend it.

We could put the transformer idea up to the forum in a new thread if you are interested. I certainly would not tell you to go ahead without checking.

Were you planning to have the single Vifa M25WO 10 inch as the subwoofer?
 
i belive that would be called a 2RCA Socket to 1RCA plug Y adapter.

otherwise you can just change the Left Right balance on the amp to Full left or Full right.

my question is what goes in and out of the two circles and the trangle arrow on that diagram, shouldn't there be two in's and two out's?

Alex
 
When you pare back the wires on your adapter:

The resistor is connected to the "hot" wire-the wire that is connected to the MIDDLE terminal on your RCA plug.

The capacitor is connected from where the resistor is to the negative wire-the wire that is connected to the circular part of your RCA plug.

In other words, one end of the capacitor is conected to the "hot" wire, the other end of the capacitor is connected to the ground wire. Since there are only two wires, that about covers it, LOL. 🙂
 
Alex_B said:
my question is what goes in and out of the two circles and the trangle arrow on that diagram, shouldn't there be two in's and two out's?

You have one sub (single voice coil?) & a stereo receiver to drive it? Then you only use one channel of the receiver.

The circle on the left is the input from your source (pre-amp or CD player), the one on the right is out to the amp. The triangle is ground or common, hooks to both the source & the amp ground)

Make sure you go thru the entire atricle to get the appropriate values.

dave
 
Yep, now it was my turn to recheck your post. 😀

Regardless of what you do, if the RCA plug is only going into one side of your stereo amp/reciever, only one channel will be pumping.

Of course, the extra channel will only mean 3 dB more, and you are about to get a real good sub amp in a little while.
So maybe simpler is better on this. You can still do the crossover with the RCA plug before the amp, though. No reason not to do that-unless the capacitor before the speaker is just too simple to pass up. That position would certainly be understandable. 😀
 
over here in downunder, confused like a blonde in a physics class😉

so where does the Bl***y circular part go.

i understandz the HOT wire (centre RCA) goes to the, bah here a diagram to what i think happens
 

Attachments

  • pll_1st_lp_xo.jpg
    pll_1st_lp_xo.jpg
    9.1 KB · Views: 111
Planet 10:

Wait a minute-are you saying that the "ground" here is not one of the two wires in the RCA plug-the one that goes to the circular piece that surrounds the middle? That instead "ground" means connected up to a special wire that connects the external "ground" screws on the outside of his CD player and stereo receiver?
 
Status
Not open for further replies.