Why moving coil
 

"Trevor Wilson" wrote


**And one of my favourites happens to be the V15 VMR. An extremely neutral
cartridge. In fact, I did a recording of an LP from the V15 VMR onto a CD
and compared it to the CD, in uncontrolled conditions, but, apart from the
obvious surface noise, the result was bloody hard to pick.


Yep, been there, done that a number of times. The 'light touch' of the V15
Mk V xMR duplicates CD very well. The best and easiest comparison to make is
Brothers In Arms. I can set both running and switch between them - generally
listeners do not know which is which until there's a pop or a fart from the
LP (which is actually very quiet)....





Try your V15III in sub 10oC temps


???



**Perhaps. The fact that MCs can be made to operate well in the many tens
of kHz means their phase repsonse is very good in the audio range.


HFW Sept 2004 (re. MC carts):

"To minimise moving mass (tip mass) the signal coils must be light and
small, so they have few turns and give little output. Generator losses are
minimal though and frequency response flat as a result. Sound quality gains
in terms of transparency and detail, providing the stylus is up to the job
and damping sufficient to control tip mass resonance.

And:

"Frequency response can far exceed that of CD, by the way."

;-)


**Agreed. In fact, for an easy to live with, easy to tolerate (arm-wise)
and very accurate cart, it is hard to go past the (now deleted) V15 VMR.


Except that it's a bit too 'polite' (bass-light) to do a convincing *piano*
(lower register)....

Why moving coil
 

In article , Keith G
wrote:

"Trevor Wilson" wrote


Try your V15III in sub 10oC temps


???

The V15/III carts (and some other Shures IIRC) have a suspension with a
compliance that varies quite markedly with temperature. Thus they work well
to spec at 20 degC, but if you have a colder room, they may well not! IIRC
this is because they use a 'rubber' gasket that becomes stiffer as the
temperature falls.

Fortunately, despite the current leaky roof, I can keep the room
temperature comfortable when listening to music - both for my benefit, and
for the audio equipment's. :-)


**Agreed. In fact, for an easy to live with, easy to tolerate
(arm-wise) and very accurate cart, it is hard to go past the (now
deleted) V15 VMR.


Except that it's a bit too 'polite' (bass-light) to do a convincing
*piano* (lower register)....

Depends on the loading and the arm mass, etc. In general, I worry more
about the speakers and the room acoustics for affecting this.

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

Why moving coil
 

"Jim Lesurf" wrote in message
...
In article , Keith G
wrote:

"Trevor Wilson" wrote


Try your V15III in sub 10oC temps


???

The V15/III carts (and some other Shures IIRC) have a suspension with a
compliance that varies quite markedly with temperature. Thus they work
well
to spec at 20 degC, but if you have a colder room, they may well not!
IIRC
this is because they use a 'rubber' gasket that becomes stiffer as the
temperature falls.


I wuz querying the *temperature* - not the effects of low temperature (cart
suspension, speakers etc) - like, who the hell listens to music at anything
like sub 10 deg C??

Why moving coil
 

"Keith G" wrote in message
...

"Jim Lesurf" wrote in message
...
In article , Keith G
wrote:

"Trevor Wilson" wrote


Try your V15III in sub 10oC temps


???

The V15/III carts (and some other Shures IIRC) have a suspension with a
compliance that varies quite markedly with temperature. Thus they work
well
to spec at 20 degC, but if you have a colder room, they may well not!
IIRC
this is because they use a 'rubber' gasket that becomes stiffer as the
temperature falls.


I wuz querying the *temperature* - not the effects of low temperature
(cart suspension, speakers etc) - like, who the hell listens to music at
anything like sub 10 deg C??

**Aussies, of course. We're tougher than Poms.

Seriously, though, my 10oC statement was merely to demonstrate a point. The
suspension systems used in most cartridges tends to be temperature
sensitive. The performance of most cartridges will be different at 30oC,
25oC, 20oC, 15oC and 10oC.


--
Trevor Wilson
www.rageaudio.com.au

Why moving coil
 

"Trevor Wilson" wrote in message
...

"Keith G" wrote in message
...

"Jim Lesurf" wrote in message
...
In article , Keith G
wrote:

"Trevor Wilson" wrote


Try your V15III in sub 10oC temps


???

The V15/III carts (and some other Shures IIRC) have a suspension with a
compliance that varies quite markedly with temperature. Thus they work
well
to spec at 20 degC, but if you have a colder room, they may well not!
IIRC
this is because they use a 'rubber' gasket that becomes stiffer as the
temperature falls.


I wuz querying the *temperature* - not the effects of low temperature
(cart suspension, speakers etc) - like, who the hell listens to music at
anything like sub 10 deg C??

**Aussies, of course. We're tougher than Poms.


Thass funny, most of the Aussies in the UK seem to be poofs, from what I've
seen of them....!! ;-)


Seriously, though, my 10oC statement was merely to demonstrate a point.
The suspension systems used in most cartridges tends to be temperature
sensitive. The performance of most cartridges will be different at 30oC,
25oC, 20oC, 15oC and 10oC.


Not if you use a lamp..... ;-)

Why moving coil
 

Hi,

"Keith G" wrote in message
...

"Trevor Wilson" wrote in message
...

Seriously, though, my 10oC statement was merely to demonstrate a point. The
suspension systems used in most cartridges tends to be temperature
sensitive. The performance of most cartridges will be different at 30oC,
25oC, 20oC, 15oC and 10oC.


Not if you use a lamp..... ;-)

Instead of a cartridge? How does that work?

Glenn.

Why moving coil
 

"Glenn Booth" wrote in message
...
Hi,

"Keith G" wrote in message
...

"Trevor Wilson" wrote in message
...

Seriously, though, my 10oC statement was merely to demonstrate a point.
The suspension systems used in most cartridges tends to be temperature
sensitive. The performance of most cartridges will be different at 30oC,
25oC, 20oC, 15oC and 10oC.


Not if you use a lamp..... ;-)

Instead of a cartridge? How does that work?


Photon power - very good with *warped* discs....

:-)

Why moving coil
 

"Trevor Wilson" wrote in message
...

"Keith G" wrote in message
...

"Trevor Wilson" wrote in message
...

"Keith G" wrote in message
...

"Jim Lesurf" wrote in message
...
In article , Keith G
wrote:

"Trevor Wilson" wrote


Try your V15III in sub 10oC temps


???

The V15/III carts (and some other Shures IIRC) have a suspension with
a
compliance that varies quite markedly with temperature. Thus they work
well
to spec at 20 degC, but if you have a colder room, they may well not!
IIRC
this is because they use a 'rubber' gasket that becomes stiffer as the
temperature falls.


I wuz querying the *temperature* - not the effects of low temperature
(cart suspension, speakers etc) - like, who the hell listens to music
at anything like sub 10 deg C??

**Aussies, of course. We're tougher than Poms.


Thass funny, most of the Aussies in the UK seem to be poofs, from what
I've seen of them....!! ;-)

**Perhaps, but I'll betcha they're tough poofs.


Sure were - all carried handbags with bricks in 'em!! :-)

Just about to watch 'Flawless' (again) now, just to keep the theme going!!

:-)

Why moving coil
 

On Tue, 21 Mar 2006 22:29:42 -0000, "Keith G"
wrote:


"Trevor Wilson" wrote in message
...

"Keith G" wrote in message
...

"Jim Lesurf" wrote in message
...
In article , Keith G
wrote:

"Trevor Wilson" wrote


Try your V15III in sub 10oC temps


???

The V15/III carts (and some other Shures IIRC) have a suspension with a
compliance that varies quite markedly with temperature. Thus they work
well
to spec at 20 degC, but if you have a colder room, they may well not!
IIRC
this is because they use a 'rubber' gasket that becomes stiffer as the
temperature falls.


I wuz querying the *temperature* - not the effects of low temperature
(cart suspension, speakers etc) - like, who the hell listens to music at
anything like sub 10 deg C??

**Aussies, of course. We're tougher than Poms.


Thass funny, most of the Aussies in the UK seem to be poofs, from what I've
seen of them....!! ;-)

Perhaps if you're an Aussie poof, you *have* to be tough? :-)

Seriously, though, my 10oC statement was merely to demonstrate a point.
The suspension systems used in most cartridges tends to be temperature
sensitive. The performance of most cartridges will be different at 30oC,
25oC, 20oC, 15oC and 10oC.

Not if you use a lamp..... ;-)

Indeed - a common enough 'tweak' back in the '60s, before central
heating was widespread.
--

Stewart Pinkerton | Music is Art - Audio is Engineering

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