Today's Message Index:
----------------------
1. 04:30 AM - Re: Firmware for XDP-4000X ? (Scott Thibault)
2. 10:16 AM - Re: CDx-C90 XDP-4000x XM-7557 (Scott Thibault)
3. 10:19 AM - Sony Reference Speakers (Scott Thibault)
4. 01:15 PM - Re: CDx-C90 XDP-4000x XM-7557 (Bobby Braun)
5. 02:02 PM - Re: Sony Reference Speakers (Sqxpert@aol.com)
6. 02:04 PM - Re: CDx-C90 XDP-4000x XM-7557 (Sqxpert@aol.com)
7. 05:06 PM - Re: CDx-C90 XDP-4000x XM-7557 (Randy Visentine)
Message 1
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| Subject: | Re: Firmware for XDP-4000X ? |
--> XDP4000X-List message posted by: Scott Thibault <tbone7467@yahoo.com>
the CDX-C90 has not been discontinued in japan it is still a option to consumers.
just as the reference speakers are still avail in european countries. The decision
to discontinue the CDX-C90 and the XDP-4000x in the US was most likely
due to poor sales. The car audiophile market is most likely a small niche market
at best. Most people would rather spend that kind of money on nice home system
then put it into a car. here is the link to the C90 (scroll to the bottom)
and a really cool navigation (on its own page) unit that sony has developed:
http://www.sony.jp/products/me/contents/caraudio/1din.html
As for the 4000x that definitely has disappeared from the market with the introduction
Xplod's EQ7 and DSO features.
dy Visentine <jvisentine@yahoo.com> wrote:
--> XDP4000X-List message posted by: Randy Visentine
I think as far a Sony is concerned, the XDP4000x and
C-90 are just a peice of their history - they have
moved on LONG ago and forgotten about "us" - the
mobile audiophiles. We are stuck with what we have -
well Phatbox has gratiously added ONE option for us,
but nothing new will happen to this top-notch set-up.
Oh well, once these units get old and start to have
major problems, I will just go to Alpine's F-1 since
Sony doesn't support our kind of products anymore. Do
they miss us? Not for a second...Xplod is probably
much more profitable for them.
Later
Randy Visentine
Audiophile/Musician/Crazy Guy
C90/XDP4000x
C910/XDP210EQ
--- Roland M wrote:
> --> XDP4000X-List message posted by: "Roland M"
>
>
> While it might seem possible at the same time it
> might not be possible. To
> be upgradeable the firmware in the XDP would have to
> be on flash ROM or
> something similar. It may be that the firmware is
> on permanent hardware and
> not changeable without actually changing out chips
> in the unit.
>
> However, even assuming it was flash upgradeable, I
> don't think there has
> ever been any updates released to the general public
> or otherwise--though I
> could be wrong.
>
> Roland M.
>
>
> >From: "Dick Brussee"
> >Reply-To: xdp4000x-list@matronics.com
> >To:
> >Subject: XDP4000X-List: Firmware for XDP-4000X ?
> >Date: Mon, 28 Jul 2003 18:32:56 +0200
> >
> >--> XDP4000X-List message posted by: "Dick Brussee"
>
> >
> >Hello XDP-heads,
> >
> >Does anybody know if there are any firmware updates
> for the XDP-4000X. It
> >must be possible to do this, because it has a
> RS-232 port on it. I also own
> >a TAE-9000ES home digital preamp and I have
> upgraded it form version 1.10c
> >to 1.18c , 2.01c and finally to version 2.50. It
> sounds better and has more
> >functionality. So I hope Sony has the same for the
> XDP-4000X.
> >
> >Dick Brussee
> >
>
>
>
>
> http://www.matronics.com/archives
>
>
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---------------------------------
Message 2
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| Subject: | Re: CDx-C90 XDP-4000x XM-7557 |
--> XDP4000X-List message posted by: Scott Thibault <tbone7467@yahoo.com>
if I got a seperate amp for the tweeters would I gain anything by not using the
supplied crossover for the components?? does anyone use the crossover that comes
with their components with the 4000x? what type of speakers should I conside
for my rear?
Roland M <mdx400@hotmail.com> wrote:--> XDP4000X-List message posted by: "Roland
M"
>I recently got my CDX-C90 deck for my XDP-4000x (neither of which have been
>installed yet). I am wondering If there is anything I need to know before
>leeping into this project. I will be running the Sony XM-7557 amp with the
>combo and was wondering if I should purchase a another smaller amp to run
>my tweeters that way I dont have to run another crossover for my mids a
>tweets. I have the same amp that was in that Ferrari that some one posted
>the link to on this forum.
>
If you want to keep the full digital domain crossover (which would be
better) then I think you would be better off getting another amp to bi-amp
the front components. An XM-7527 (I THINK that is the model #) would be a
perfect match. Same amp design just in the two channel model.
>I noticed that a couple of people have the Phatbox. I was wondering if it
>supports DVD?? this would save me a lot of money on a DVD and CD changer.
>if it does not does anyone have any inside info on when it might?? I think
>the concept is really cool for the unit why they choose to not add DVD to
>it is beyond me. Since everybody is moving to stored media anyway why not
>they would have a hugh market share. I mean really look at how expensive
>the sony DVD changer is. The phatbox is way more versitile. supports way
>more formats and can adapt to the market through software upgrades unlike
>the C90 and MP3.
As for the PhatBox, as far as I thought it was a hard drive, not a disc
player. Therefore it wouldn't support DVDs as it has no disc drive in it!
I don't think it will ever support DVDs unless they make a new unit with a
DVD drive in it and a video output. I think this is beyond what the PhatBox
people are looking to do. They just want to make HDDs that store MP3s
pretty much, not DVD players.
Roland M.
---------------------------------
Message 3
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| Subject: | Sony Reference Speakers |
--> XDP4000X-List message posted by: Scott Thibault <tbone7467@yahoo.com>
Has anyone had a chance to listen to these?? what do you think of them?? I have
a chance to get a set but am wondering if they are worth the money. I definitely
can not afford the tweeters that is for sure
---------------------------------
Message 4
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| Subject: | Re: CDx-C90 XDP-4000x XM-7557 |
--> XDP4000X-List message posted by: "Bobby Braun" <bobbybraun@comcast.net>
As I understand, by skipping any passive crossovers inline with your front
components, you should gain about +6 db of headroom in your music. I cannot
back this up, this is just something I heard, I actually use passive
crossovers, since I only run a 3 way system. Honestly I'm happy with what
I'm using, but am curious about what the sound difference would be.
Anyways, if possible, I would suggest not using the crossovers that came
with your components, just use the 4000x. The only reason I don't is
because my amps are too large to all fit, I just ran out of room.
----- Original Message -----
From: "Scott Thibault" <tbone7467@yahoo.com>
Subject: Re: XDP4000X-List: CDx-C90 XDP-4000x XM-7557
> --> XDP4000X-List message posted by: Scott Thibault <tbone7467@yahoo.com>
>
> if I got a seperate amp for the tweeters would I gain anything by not
using the supplied crossover for the components?? does anyone use the
crossover that comes with their components with the 4000x? what type of
speakers should I conside for my rear?
>
> Roland M <mdx400@hotmail.com> wrote:--> XDP4000X-List message posted by:
"Roland M"
>
> >I recently got my CDX-C90 deck for my XDP-4000x (neither of which have
been
> >installed yet). I am wondering If there is anything I need to know before
> >leeping into this project. I will be running the Sony XM-7557 amp with
the
> >combo and was wondering if I should purchase a another smaller amp to run
> >my tweeters that way I dont have to run another crossover for my mids a
> >tweets. I have the same amp that was in that Ferrari that some one posted
> >the link to on this forum.
> >
> If you want to keep the full digital domain crossover (which would be
> better) then I think you would be better off getting another amp to bi-amp
> the front components. An XM-7527 (I THINK that is the model #) would be a
> perfect match. Same amp design just in the two channel model.
>
> >I noticed that a couple of people have the Phatbox. I was wondering if it
> >supports DVD?? this would save me a lot of money on a DVD and CD changer.
> >if it does not does anyone have any inside info on when it might?? I
think
> >the concept is really cool for the unit why they choose to not add DVD to
> >it is beyond me. Since everybody is moving to stored media anyway why not
> >they would have a hugh market share. I mean really look at how expensive
> >the sony DVD changer is. The phatbox is way more versitile. supports way
> >more formats and can adapt to the market through software upgrades unlike
> >the C90 and MP3.
>
> As for the PhatBox, as far as I thought it was a hard drive, not a disc
> player. Therefore it wouldn't support DVDs as it has no disc drive in it!
> I don't think it will ever support DVDs unless they make a new unit with a
> DVD drive in it and a video output. I think this is beyond what the
PhatBox
> people are looking to do. They just want to make HDDs that store MP3s
> pretty much, not DVD players.
>
> Roland M.
>
>
> ---------------------------------
>
Message 5
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| Subject: | Re: Sony Reference Speakers |
--> XDP4000X-List message posted by: Sqxpert@aol.com
i have never seen them , any links?
tim koehle
Message 6
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| Subject: | Re: CDx-C90 XDP-4000x XM-7557 |
--> XDP4000X-List message posted by: Sqxpert@aol.com
i think you have some flexability in using the 4kx , if it doesn work well
for you , you can allways go back to the passives
tim koehle
Message 7
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| Subject: | Re: CDx-C90 XDP-4000x XM-7557 |
--> XDP4000X-List message posted by: Randy Visentine <jvisentine@yahoo.com>
Yup - that is correct.
This happens because the higher frequencies actually
"Ride On Top" of the larger low frequency waveforms.
So, you have a 100Hz sine at 50 Watts, and as it
reaches the peak of it's wave, add another equal
amplitude sine at say 5KHz, the 5KHz sine will peak
ABOVE the 100Hz's peak since it is being "Added" to
it.
Once you actively filter the signal and present the
amp with a limited bandwidth signal, it can produce
this dedicated range of frequencies louder, and with
more control since there are no passive L/C components
to hinder damping factor at the amp's outputs.
Passive L/C networks also cause phase issues that the
XDP will avoid if used to its potential.
Even just bi-amping through my XM-7547 and it's analog
then adding the XDP-4000x and using it's digital
crossover and time correction made it down-right
jaw-dropping!
Do away with those passive crossovers, and BI-AMP.
You get more volume, better damping factor -
especially on the tweeter, and a time aligned front
stage. A no-brainer in my book.
If you don't like the XDP-s crossover selection, use
the analog crossover in the amp (most amps have one or
more) to tweak the frequency to your liking. You can
still use the XDP's time correction as long as you
bypass the XDP-s crossover by setting the "Slope" to
"0" which bypasses it, and assuming your amp has
dedicated inputs with a crossover on each to allow 4
inputs and a HP/LP crossover.
You won't be disappointed, but it does take a bit of
tweaking on the delays to achieve bliss.
Later,
Randy Visentine
Audiophile/Musician/Crazy Guy
C90/XDP4000x
C910/XDP210EQ
--- Bobby Braun <bobbybraun@comcast.net> wrote:
> --> XDP4000X-List message posted by: "Bobby Braun"
> <bobbybraun@comcast.net>
>
> As I understand, by skipping any passive crossovers
> inline with your front
> components, you should gain about +6 db of headroom
> in your music. I cannot
> back this up, this is just something I heard, I
> actually use passive
> crossovers, since I only run a 3 way system.
> Honestly I'm happy with what
> I'm using, but am curious about what the sound
> difference would be.
> Anyways, if possible, I would suggest not using the
> crossovers that came
> with your components, just use the 4000x. The only
> reason I don't is
> because my amps are too large to all fit, I just ran
> out of room.
>
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