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Re: Active Crossover Question [message #22879 is a reply to message #22874] Mon, 05 December 2005 17:07 Go to previous messageGo to next message
Renato is currently offline  Renato
Messages: 14
Registered: May 2009
Chancellor
Dears,

My english is too poor...but, I will try again...

See this links:

What your think about this ?

DCX + Panasonic Digital receiver
http://www.newformresearch.com/digital-systems-overview.htm
http://www.newformresearch.com/digital-amplifier-packages.htm

Xover Pc Solution
http://pcazeles.perso.cegetel.net/acxo.htm
http://home.pacbell.net/donwm/
http://www.6moons.com/industryfeatures/harddrive/harddrive.html


[]'s

Renato



Re: Active Crossover Question [message #22880 is a reply to message #22876] Tue, 06 December 2005 09:53 Go to previous messageGo to next message
Anonymous
I've also tried this setup.
CD player analog out -> preamp w/RCA output -> DCX analog input
[using appropriate cable]

It works and the preamp is the volume control.

The purists prefer running the DCX 'hot' where the signal going
into the unit is very high all the time and you control the volume
on the output side which requires attenuation on all the outputs,
-->PITA.....

I've read all the debates and gathered lots of data on this unit here;
http://www.caraudioforum.com/vbb3/showthread.php?t=219105&highlight=dcx2496

I've been using this unit for 1/2 a year and I can't find a way
to get bad sound from it and I tried all the bad methods of wiring
it up.

>>Are there any problems going from the balanced outputs of the
>>xover to the unbalanced inputs of my amps?

You need the appropriate cable, XLR female to RCA male adapter cable.
Since the DCX will output a stronger signal and your home amp is
more sensitivity to this, you may not get the best signal to noise
ratio and you may hear excess hiss if you drive tweeters. There is
a way to make a '-6dB XLR to RCA cable' to lower the signal level
into the home amp [unless your home amp has gain control].

post #4
http://www.caraudioforum.com/vbb3/showthread.php?t=220559&highlight=cables

XLR Output to RCA with -6dB output gain
XLR Pin 1 = Shield ground =>one insulated conductor and drain wire to RCA gnd
XLR Pin 2 = Positive balanced signal => one insulated conductor to RCA hot
XLR Pin 3 = Negative balanced signal {now ground} = don't connect




Re: Active Crossover Question [message #22883 is a reply to message #22880] Tue, 06 December 2005 10:47 Go to previous messageGo to next message
MikeT is currently offline  MikeT
Messages: 8
Registered: May 2009
Esquire
Thanks for your feedback- I'll give it a try.

Re: Active Crossover Question [message #22940 is a reply to message #22879] Fri, 10 February 2006 11:56 Go to previous message
daly2k is currently offline  daly2k
Messages: 1
Registered: May 2009
Esquire
Amigos, I am building a line array loudspeaker with 12 Fountek 5" ribbons and 12 eton midrange/woofers. I am using an outboard passive crossover at 24db and with a crossover pt by simulation somewhere between 2k-2.5k depending on final listening tests. I did this because I have a large vinyl record collection and I didn't want my records going through DA & AD conversion. I also have many SACD's and I don't have a digital output for these from my Sony cd player, and I wouldn't want these reconverted anyway. I do have a digital out from my cd player and I don't mind converting this stream.
The other issue is equalization in the crossover to match driver efficiencies etc. Can a digital crossover accomplish this? What if you need asymetric crossovers? I am thinking about getting a digital unit just for the cd's and then using the passive crossover for everything else (just switching out the boxes). I have volume controls on my amps so I can control the system volume that way. When playing records I have the typical volume control through the line stage. Another idea I had was to get a room correction device but these are expensive. Any thoughts on these idea?

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