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-   -   Added a DAC to a cheap CD player - and got a result (https://www.audiobanter.co.uk/uk-rec-audio-general-audio/1289-added-dac-cheap-cd-player.html)

Ian Molton December 24th 03 12:38 PM

Added a DAC to a cheap CD player - and got a result
 
On Wed, 24 Dec 2003 13:20:05 +0000
tony sayer wrote:

'rubbish' ? isnt that the point of a sub [low frequency]


Well below say 20 ish hertz, there isn't a lot of useful info there
apart from some wind noise and other junk, but then again this may float
your boat!....


well rather depends on what you're listening to, surely? watching lord of the rings on the plains of rohan you might expect a little breeze ;-)

--
Spyros lair: http://www.mnementh.co.uk/ |||| Maintainer: arm26 linux

Do not meddle in the affairs of Dragons, for you are tasty and good with ketchup.

Ian Molton December 24th 03 12:39 PM

Added a DAC to a cheap CD player - and got a result
 
On Wed, 24 Dec 2003 13:38:08 +0000
Ian Molton wrote:

well rather depends on what you're listening to, surely? watching lord
of the rings on the plains of rohan you might expect a little breeze
;-)


heh, I write some junk sometimes. Of course, I was watching it in my
living room ;-)

--
Spyros lair: http://www.mnementh.co.uk/ |||| Maintainer: arm26 linux

Do not meddle in the affairs of Dragons, for you are tasty and good with
ketchup.

Ian Molton December 24th 03 12:39 PM

Added a DAC to a cheap CD player - and got a result
 
On Wed, 24 Dec 2003 13:38:08 +0000
Ian Molton wrote:

well rather depends on what you're listening to, surely? watching lord
of the rings on the plains of rohan you might expect a little breeze
;-)


heh, I write some junk sometimes. Of course, I was watching it in my
living room ;-)

--
Spyros lair: http://www.mnementh.co.uk/ |||| Maintainer: arm26 linux

Do not meddle in the affairs of Dragons, for you are tasty and good with
ketchup.

Wally December 24th 03 01:29 PM

Added a DAC to a cheap CD player - and got a result
 
Jim Lesurf wrote:

Which is a bit of a pain with the big boxes.


And with ESL63's on spiked stands! :-)


The idea of being able to pick up a small box and its stand, and put it into
'the serious listening position', without having to mess about with
logisitics and heavy lifting equipment sounds like a luxury. ;-)


Having just demonstrated to myself that there's a dip in the low
bass, I feel that I need to address that before I look at the room.


Did you make the measurements out-of-doors to avoid overlaying room
effects?


No, but I tend to have the internal doors lying open.


I have to lay on the floor to adjust the sub, but fortunately it
seems to be approaching 'about right' now so this should cease as an
activity quite soon! :-)


You keep your bass control stashed behind one of the speakers? ;-) I don't
have any tone controls, of course... ;-)


--
Wally
www.art-gallery.myby.co.uk
Latest addition: Early Works gallery




Wally December 24th 03 01:29 PM

Added a DAC to a cheap CD player - and got a result
 
Jim Lesurf wrote:

Which is a bit of a pain with the big boxes.


And with ESL63's on spiked stands! :-)


The idea of being able to pick up a small box and its stand, and put it into
'the serious listening position', without having to mess about with
logisitics and heavy lifting equipment sounds like a luxury. ;-)


Having just demonstrated to myself that there's a dip in the low
bass, I feel that I need to address that before I look at the room.


Did you make the measurements out-of-doors to avoid overlaying room
effects?


No, but I tend to have the internal doors lying open.


I have to lay on the floor to adjust the sub, but fortunately it
seems to be approaching 'about right' now so this should cease as an
activity quite soon! :-)


You keep your bass control stashed behind one of the speakers? ;-) I don't
have any tone controls, of course... ;-)


--
Wally
www.art-gallery.myby.co.uk
Latest addition: Early Works gallery




Stewart Pinkerton December 24th 03 03:33 PM

Added a DAC to a cheap CD player - and got a result
 
On Wed, 24 Dec 2003 12:45:24 +0000, tony sayer
wrote:

In article , Ian Molton
writes
On Tue, 23 Dec 2003 08:58:10 +0000 (UTC)
(Stewart Pinkerton) wrote:

partnered by the 'killer' sub I'm building.


I had a nice idea for a sub... Many UK houses have chimneys... with
suitable blocking off and a clean, it'd make a very interesting bas
cabinet...


Did just that in our old house a couple of KEF B139 drivers fed by a sub
amp with a active x-over quite well, earth moving, especially on Organ
musicke and gave a great deal of depth to almost everything else. But
you will need a sub sonic filter of some sort to cream off the low
frequency rubbish.....


Not a problem with CD..............
--

Stewart Pinkerton | Music is Art - Audio is Engineering

Stewart Pinkerton December 24th 03 03:33 PM

Added a DAC to a cheap CD player - and got a result
 
On Wed, 24 Dec 2003 12:45:24 +0000, tony sayer
wrote:

In article , Ian Molton
writes
On Tue, 23 Dec 2003 08:58:10 +0000 (UTC)
(Stewart Pinkerton) wrote:

partnered by the 'killer' sub I'm building.


I had a nice idea for a sub... Many UK houses have chimneys... with
suitable blocking off and a clean, it'd make a very interesting bas
cabinet...


Did just that in our old house a couple of KEF B139 drivers fed by a sub
amp with a active x-over quite well, earth moving, especially on Organ
musicke and gave a great deal of depth to almost everything else. But
you will need a sub sonic filter of some sort to cream off the low
frequency rubbish.....


Not a problem with CD..............
--

Stewart Pinkerton | Music is Art - Audio is Engineering

Jim Lesurf December 25th 03 08:41 AM

Added a DAC to a cheap CD player - and got a result
 
In article , Wally
wrote:
Jim Lesurf wrote:


Which is a bit of a pain with the big boxes.


And with ESL63's on spiked stands! :-)


The idea of being able to pick up a small box and its stand, and put it
into 'the serious listening position', without having to mess about with
logisitics and heavy lifting equipment sounds like a luxury. ;-)


Fortunately, one of the pairs of speakers I use are LS3/5A's. These are
dead easy to move about, even when also using stands.


Having just demonstrated to myself that there's a dip in the low
bass, I feel that I need to address that before I look at the room.


Did you make the measurements out-of-doors to avoid overlaying room
effects?


No, but I tend to have the internal doors lying open.


Ah. You may therefore find that the results you get are affected by the
room in the mid/low bass even with doors open. One of the rooms I use has a
stronger resonant bass peak with the door open than when it is closed.


I have to lay on the floor to adjust the sub, but fortunately it seems
to be approaching 'about right' now so this should cease as an
activity quite soon! :-)


You keep your bass control stashed behind one of the speakers? ;-)


The sub is near the wall, behind one of the ESL's. It has a set of controls
(level, roll-off, and 'phase' sic) that I have to twiddle until I decide
the settings suit the speakers and room about optimally.

I don't have any tone controls, of course... ;-)


I arrange to always have some available. :-) They are not needed most of
the time, but I find them very useful on occasion. I particularly like the
style of controls on the Quad 34, but do modify them a bit as I feel that
the requirements depend upon the room and the speakers. With good material
they aren't needed - for example, the DVD of 'Tosca' with Gheorghiu and
Alagna which we were listening to last night. However with some other
recordings, particularly more 'historic' (marketing-speak for older :-) ),
recordings they can be very useful.

Slainte,

Jim

--
Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm
Audio Misc http://www.st-and.demon.co.uk/AudioMisc/index.html
Armstrong Audio http://www.st-and.demon.co.uk/Audio/armstrong.html
Barbirolli Soc. http://www.st-and.demon.co.uk/JBSoc/JBSoc.html

Jim Lesurf December 25th 03 08:41 AM

Added a DAC to a cheap CD player - and got a result
 
In article , Wally
wrote:
Jim Lesurf wrote:


Which is a bit of a pain with the big boxes.


And with ESL63's on spiked stands! :-)


The idea of being able to pick up a small box and its stand, and put it
into 'the serious listening position', without having to mess about with
logisitics and heavy lifting equipment sounds like a luxury. ;-)


Fortunately, one of the pairs of speakers I use are LS3/5A's. These are
dead easy to move about, even when also using stands.


Having just demonstrated to myself that there's a dip in the low
bass, I feel that I need to address that before I look at the room.


Did you make the measurements out-of-doors to avoid overlaying room
effects?


No, but I tend to have the internal doors lying open.


Ah. You may therefore find that the results you get are affected by the
room in the mid/low bass even with doors open. One of the rooms I use has a
stronger resonant bass peak with the door open than when it is closed.


I have to lay on the floor to adjust the sub, but fortunately it seems
to be approaching 'about right' now so this should cease as an
activity quite soon! :-)


You keep your bass control stashed behind one of the speakers? ;-)


The sub is near the wall, behind one of the ESL's. It has a set of controls
(level, roll-off, and 'phase' sic) that I have to twiddle until I decide
the settings suit the speakers and room about optimally.

I don't have any tone controls, of course... ;-)


I arrange to always have some available. :-) They are not needed most of
the time, but I find them very useful on occasion. I particularly like the
style of controls on the Quad 34, but do modify them a bit as I feel that
the requirements depend upon the room and the speakers. With good material
they aren't needed - for example, the DVD of 'Tosca' with Gheorghiu and
Alagna which we were listening to last night. However with some other
recordings, particularly more 'historic' (marketing-speak for older :-) ),
recordings they can be very useful.

Slainte,

Jim

--
Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm
Audio Misc http://www.st-and.demon.co.uk/AudioMisc/index.html
Armstrong Audio http://www.st-and.demon.co.uk/Audio/armstrong.html
Barbirolli Soc. http://www.st-and.demon.co.uk/JBSoc/JBSoc.html

Nick J. December 29th 03 11:05 PM

Added a DAC to a cheap CD player - and got a result
 
Keith G wrote:

"Ian Molton" wrote in message
...

theres a switch labelled 'phase'. Wonder what that does?


Inverts the phase which can sometimes improve the sound. (Buggered if I know
how or why though......)


I understand that S/P-DIF spec allows for data to be sent "normal" or
"inverted". I have no idea why, but some of my equipment can send the
S/P-DIF info either inverted or normal. The other gear seems to
auto-switch in order to deal with it.

--



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