so is the modified diagram i posted correct,
lol, I haven't been to the snow yet (in aus that is) might gfo down next year in fact, i hope i'm good a snowboarding😀 😀
cutout 6 of the 12 peices so i'm half way there, took one piccie (on film) of some sawdust and cut wood😀 , will take more when sandwiching/gluing and screwing occurs,
Alex
At least you get rain down there. Over here we had 10 inches of snow yesterday!
lol, I haven't been to the snow yet (in aus that is) might gfo down next year in fact, i hope i'm good a snowboarding😀 😀
cutout 6 of the 12 peices so i'm half way there, took one piccie (on film) of some sawdust and cut wood😀 , will take more when sandwiching/gluing and screwing occurs,
Alex
Alex_B said:
Yes.
Have you considered a sharper filter-the 12dB/octave? Not that it is absolutely necessary.
By the way, what is the internal volume of the C17's you are crossing into? Vented or Seaed? It would help in determining the values of the resistor and cap in that little filter we are setting up before your receiver.
By the way, I never have used one of these pre-receiver crossover networks. I do anticipate using it in the future, but just figured I would let you know I'm not that experienced at this thing yet. I have designed filters using op-amps and transistors that I have used, though.
Anyway, if you used a program, do you know the F3 of the C17 enclosure?
yeas i may do the 12db/octave, i may just put the cap between amp and speaker too😀
haven't don't much with the C17's yet. Vifa say their suited to Closed boxes @10-15lt (unless you have room for 100lt+ vented). it will probably be 12-17lt with resonate frequency of 76-90Hz. Dunno what the f3 is cause loudspeaker lab 2 demo dosn't let ya do it.
Alex
haven't don't much with the C17's yet. Vifa say their suited to Closed boxes @10-15lt (unless you have room for 100lt+ vented). it will probably be 12-17lt with resonate frequency of 76-90Hz. Dunno what the f3 is cause loudspeaker lab 2 demo dosn't let ya do it.
Alex
so can i use the 2rca - 1 rca to mix L+R into mono? without any nasties? we seemed to miss that part
A demo version, huh? those are nice, but there are full freeware programs that are available.
One of the better ones is WinISD. Very quick, easy to use. Gives you the curves you need to make decisions.
One of our members here has written Subwoofer Simulator, a great and detailed program for more advanced use.
WinISD is for the guy starting out. And the Vifa C17WG-69-08 is loaded into it's database. After you set up WinISD, just click on the arrow next to the speaker model box, and choose the Vifa.
This won't be an issue with Vifa, but you can change the specs from Metric to feet, inches, whatever and back just by clicking on the "l" or "cu ft" located next to the number It converts the number right in front of your eyes. Neat.
www.linearteam.org
One of the better ones is WinISD. Very quick, easy to use. Gives you the curves you need to make decisions.
One of our members here has written Subwoofer Simulator, a great and detailed program for more advanced use.
WinISD is for the guy starting out. And the Vifa C17WG-69-08 is loaded into it's database. After you set up WinISD, just click on the arrow next to the speaker model box, and choose the Vifa.
This won't be an issue with Vifa, but you can change the specs from Metric to feet, inches, whatever and back just by clicking on the "l" or "cu ft" located next to the number It converts the number right in front of your eyes. Neat.
www.linearteam.org
also using winISD used it first then started on LL2 they both say very similar things, where can i find this sub simulator?
Alex_B said:
You should be able to get away with that.
If you find you are getting crosstalk between channels a resistor in series with the hot before you sum them is the cure, What value, i don't know off the top.
dave
In my guitar tech days I made up a little summing box, that was connected with a 100n cap to block DC followed by a 100k resistor on each input, then the inputs were just connected together. This had a little signal drop with long guitar cables, so in a later model I just added a basic op amp buffer copied straight from a magazine and that worked great.
that's exactly what i'm going to do, then put in a nice little box for neatness with rca in and out ounted sockets, gettnig the materials sometime today, along with speaker cable, ports, etc... for the sub,
thanks so much guys, i'll post again with updates to see if it worked okay,
Alex
thanks so much guys, i'll post again with updates to see if it worked okay,
Alex
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