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#46927 - 06/13/03 10:29 AM Re: Sherbourn PT-7000 & 7/2100 Review
Philip Hamm Offline
Gunslinger

Registered: 08/29/01
Posts: 93
Loc: Northern Virginia, USA
I am anxious to hear from Scott about this issue.

Kevin, is it possible that, using your example, the information under 160 Hz from the mains is first sent to the main L/R pair, to be crossed over by the settings of the L/R? Then the information wouldn't be lost, but in the L/R mains? That would be an elegant solution IMO, particularly for those of us with tower main L/R speakers. These higher midbass frequencies are better off produced in the main L/R pair anyway, at least IMO. That would be nice.

------------------
Philip Hamm

[This message has been edited by Philip Hamm (edited June 13, 2003).]
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Philip Hamm

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#46928 - 06/13/03 12:51 PM Re: Sherbourn PT-7000 & 7/2100 Review
soundhound Offline
Desperado

Registered: 04/10/02
Posts: 1857
Loc: Gusev Crater, Mars
I may be imagining things, but I think Scott did address this issue a few months ago in a post here. I thought he said that it works like you'd expect, with the crossovers in the above example sending frequencies above 160Hz to the surrounds, and below 160Hz to the sub, with no hole.

Like I said, I could be deranged from that pitcher of margaritas last night and remembering wrong............

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#46929 - 06/13/03 06:28 PM Re: Sherbourn PT-7000 & 7/2100 Review
jm99 Offline
Gunslinger

Registered: 04/28/02
Posts: 33

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#46930 - 06/14/03 03:20 AM Re: Sherbourn PT-7000 & 7/2100 Review
Kevin C Brown Offline
Desperado

Registered: 12/11/01
Posts: 1054
Loc: Santa Clara, CA
JM99- You rock! That's it!

Philip- You should work for Lexicon. That is exactly how the MC-8 and MC-12 work.

(Except that for Lexicon, it uses *the lowest freq high passed main channel as the global low pass filter for the sub*. Doesn't have to be the mains. Although it probably would be in most systems.)

Maybe that *is* how the 950 works...
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If it's not worth waiting until the last minute to do, then it's not worth doing.

KevinVision 7.1 ... New and Improved !!


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#46931 - 06/14/03 05:57 AM Re: Sherbourn PT-7000 & 7/2100 Review
fly guy Offline
Gunslinger

Registered: 10/08/02
Posts: 30
Loc: Big Island, HI
I have an H/K 525 with the tripple crossover. H/K recommends that you set the sub low pass to the highest level between the three high pass settings FWIW.

So from what I can tell, this would cause a "doubling" of freqs between the lowests of the high pass settings and the highest.

I have just set everything to 60 cycles.

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#46932 - 06/14/03 09:50 AM Re: Sherbourn PT-7000 & 7/2100 Review
Alejate Offline
Gunslinger

Registered: 05/10/03
Posts: 181
Loc: Albany, NY
We all know what the manual says, we all read what Scott replied in the above stated thread, BUT does it ACTUALLY do this! The manual tells us how to use the DTS ES but the 950 did not actually function properly until someone noticed a LFE issue, hence the inconvience of the e-prom upgrade. So now a reviewer believes the triple crossover does not funtion as stated. So which is it? Has Outlaw tested this triple crossover system to make sure it ACTUALLY does what it states it's suppose to do? Still waiting for Scott to address this again after this doubt has been cast.

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#46933 - 06/16/03 02:14 PM Re: Sherbourn PT-7000 & 7/2100 Review
Scott Offline
Desperado

Registered: 01/07/10
Posts: 673
Hello Outlaws,

We have seen all of the comments in this thread, and while it is our general policy not to interfere, some comments are in order.

First, while we have the highest respect for reviewers, there are times where the methodology they employ in testing produces results that do not provide a full picture of how a product operates. Secondly, just to maintain our own sanity, we asked our engineering team to validate the operation of the crossovers, and they reported that everything does work as it is supposed to.

Let's use a configuration scenario to help explain how the triple cross-over
function works.

Settings:

All speakers set to small. (A Large setting by-passes the cross-over
function for that speaker)

Front: 40Hz
Center: 80Hz
Surrounds: 100Hz
Sub: ON

In this configuration the sub will see the entire LFE or ".1" signal. It
will also receive any signal below 40Hz from the front speakers, any signal
below 80Hz from the center channel and any signal below 100Hz from the
surrounds.

Regards,

Scott

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