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Record demagnetizers



 
 
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  #1 (permalink)  
Old November 2nd 07, 07:41 AM posted to uk.rec.audio
Martin
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Posts: 10
Default Record demagnetizers

I've been thinking about getting a demagnetizer to make my old records
sound better. I've seen them advertised and wondered if they were any
good and what kind of difference I could expect once I've invested in one.

This is to go with my old Amstrad stack unit which is in my bedroom. Do
you think it would be a worthwhile buy for me?

TIA
  #2 (permalink)  
Old November 2nd 07, 09:00 AM posted to uk.rec.audio
Jim Lesurf
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Posts: 3,051
Default Record demagnetizers

In article , Martin
wrote:
I've been thinking about getting a demagnetizer to make my old records
sound better. I've seen them advertised and wondered if they were any
good and what kind of difference I could expect once I've invested in
one.


This is to go with my old Amstrad stack unit which is in my bedroom. Do
you think it would be a worthwhile buy for me?


ahem The above has all the signs of being a wind-up (gramophone?) :-)

However, in the implausible event that the question is genuine, then the
answer is simple.

LPs are made of polymer materials ('Vinyl') with essentially no 'magnetic'
properties. They are played with a cartridge that detects mechanical
movements, not variations in the magnetic state of the LP.

Thus despite the technobabble in the adverts, the only relevant and
observable 'magnetic' effect of the 'record demagnetisers' is to help
salesdroids to drag money from your wallet and into their bank account.
:-)

Thus the main 'difference' will be to your wallet. There is no reason to
assume the LP will sound any different when played, despite the claims.

If the records are clean and in decent condition, then 'better' replay
equipment may make sense. Spend the money on that if you want to improve
the results. Although if you've been playing them on an "Amstrad stack" I
have my doubts they will ever again sound like new. Would probably make
more sense to buy replacement recordings - but don't then play them on the
Amstrad! :-)

Slainte,

Jim

--
Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm
Audio Misc http://www.audiomisc.co.uk/index.html
Armstrong Audio http://www.audiomisc.co.uk/Armstrong/armstrong.html
  #3 (permalink)  
Old November 2nd 07, 09:21 AM posted to uk.rec.audio
Dave xxxx[_2_]
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Posts: 3
Default Record demagnetizers

Martin wrote:
I've been thinking about getting a demagnetizer to make my old records
sound better. I've seen them advertised and wondered if they were any
good and what kind of difference I could expect once I've invested in
one.
This is to go with my old Amstrad stack unit which is in my bedroom.
Do you think it would be a worthwhile buy for me?

TIA


Nope


  #4 (permalink)  
Old November 2nd 07, 10:07 AM posted to uk.rec.audio
Keith G
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Posts: 7,388
Default Record demagnetizers


"Dave xxxx" davewhitter@removethe trash-blueyonder.co.uk wrote in
message . uk...
Martin wrote:
I've been thinking about getting a demagnetizer to make my old
records
sound better. I've seen them advertised and wondered if they were any
good and what kind of difference I could expect once I've invested in
one.
This is to go with my old Amstrad stack unit which is in my bedroom.
Do you think it would be a worthwhile buy for me?

TIA


Nope



I think he gotcha there, Dave...

;-)


  #5 (permalink)  
Old November 2nd 07, 02:14 PM posted to uk.rec.audio
Martin
external usenet poster
 
Posts: 10
Default Record demagnetizers

Jim Lesurf wrote:
In article , Martin
wrote:
I've been thinking about getting a demagnetizer to make my old records
sound better. I've seen them advertised and wondered if they were any
good and what kind of difference I could expect once I've invested in
one.


This is to go with my old Amstrad stack unit which is in my bedroom. Do
you think it would be a worthwhile buy for me?


ahem The above has all the signs of being a wind-up (gramophone?) :-)



I did think of asking about 100 quid hook-up cables and £30/m speaker
wire, but I thought that might give the game away

On a more serious note, have any of you been following the Randi/Pear
cables saga? It's getting more and more viscious as the insults fly
left, right and centre.

Cheers
M
  #6 (permalink)  
Old November 2nd 07, 02:52 PM posted to uk.rec.audio
Jim Lesurf
external usenet poster
 
Posts: 3,051
Default Record demagnetizers

In article , Martin
wrote:


On a more serious note, have any of you been following the Randi/Pear
cables saga? It's getting more and more viscious as the insults fly
left, right and centre.


Afraid not. Where is it? ...and does it shine any light on the topic, or
just smoke and heat? :-)

I recognise the name 'Randi', but not 'Pear'.

Slainte,

Jim

--
Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm
Audio Misc http://www.audiomisc.co.uk/index.html
Armstrong Audio http://www.audiomisc.co.uk/Armstrong/armstrong.html
  #7 (permalink)  
Old November 2nd 07, 02:57 PM posted to uk.rec.audio
Pete Cross
external usenet poster
 
Posts: 21
Default Record demagnetizers

"Keith G" wrote in message
...

"Dave xxxx" davewhitter@removethe trash-blueyonder.co.uk wrote in
message . uk...
Martin wrote:
I've been thinking about getting a demagnetizer to make my old
records
sound better. I've seen them advertised and wondered if they were any
good and what kind of difference I could expect once I've invested in
one.
This is to go with my old Amstrad stack unit which is in my bedroom.
Do you think it would be a worthwhile buy for me?

TIA


Nope



I think he gotcha there, Dave...

;-)


Whilst ordering the demagnitiser, also buy a green felt tip pen, when drawn
around the outer edge of a cd it causes the red visible portion of the laser
to be absorbed rather than reflecting back giving better resolution of the
pits in the cd. Remember too to align your speakers N-S so the Earths
magnetic field doesn't dampen the speakers magnets. Finally, if you soak
your Amstrad system in parafin and then ignite it , outside of course, this
coming Monday night (5th Nov )then you can get more entertainment value from
it........

ok, I had three pints at lunch today :-)


  #8 (permalink)  
Old November 2nd 07, 03:12 PM posted to uk.rec.audio
jasee
external usenet poster
 
Posts: 95
Default Record demagnetizers

Pete Cross wrote:
"Keith G" wrote in message
...

"Dave xxxx" davewhitter@removethe trash-blueyonder.co.uk wrote in
message . uk...
Martin wrote:
I've been thinking about getting a demagnetizer to make my old
records
sound better. I've seen them advertised and wondered if they were
any good and what kind of difference I could expect once I've
invested in one.
This is to go with my old Amstrad stack unit which is in my
bedroom. Do you think it would be a worthwhile buy for me?

Nope



I think he gotcha there, Dave...



Whilst ordering the demagnitiser, also buy a green felt tip pen, when
drawn around the outer edge of a cd it causes the red visible portion
of the laser to be absorbed rather than reflecting back giving better
resolution of the pits in the cd. Remember too to align your speakers
N-S so the Earths magnetic field doesn't dampen the speakers magnets.
Finally, if you soak your Amstrad system in parafin and then ignite
it , outside of course, this coming Monday night (5th Nov )then you
can get more entertainment value from it........


You've forgotten about one way speaker cable.


  #9 (permalink)  
Old November 2nd 07, 03:50 PM posted to uk.rec.audio
Eiron
external usenet poster
 
Posts: 782
Default Record demagnetizers

Martin wrote:
Jim Lesurf wrote:
In article , Martin
wrote:
I've been thinking about getting a demagnetizer to make my old records
sound better. I've seen them advertised and wondered if they were any
good and what kind of difference I could expect once I've invested in
one.


This is to go with my old Amstrad stack unit which is in my bedroom. Do
you think it would be a worthwhile buy for me?


ahem The above has all the signs of being a wind-up (gramophone?) :-)



I did think of asking about 100 quid hook-up cables and £30/m speaker
wire, but I thought that might give the game away

On a more serious note, have any of you been following the Randi/Pear
cables saga? It's getting more and more viscious as the insults fly
left, right and centre.


Where is that debate taking place?
Is viscious like an angry octopus, vicious and viscous?

--
Eiron.
  #10 (permalink)  
Old November 3rd 07, 11:31 AM posted to uk.rec.audio
Martin
external usenet poster
 
Posts: 10
Default Record demagnetizers

Eiron wrote:
Martin wrote:
Jim Lesurf wrote:
In article , Martin
wrote:
I've been thinking about getting a demagnetizer to make my old records
sound better. I've seen them advertised and wondered if they were any
good and what kind of difference I could expect once I've invested in
one.

This is to go with my old Amstrad stack unit which is in my bedroom. Do
you think it would be a worthwhile buy for me?

ahem The above has all the signs of being a wind-up (gramophone?) :-)



I did think of asking about 100 quid hook-up cables and £30/m speaker
wire, but I thought that might give the game away

On a more serious note, have any of you been following the Randi/Pear
cables saga? It's getting more and more viscious as the insults fly
left, right and centre.


Where is that debate taking place?
Is viscious like an angry octopus, vicious and viscous?


oops

there's a couple of forum posts on Randi's web site, if you have a poke
around there's a small handfull

http://forums.randi.org/showthread.php?t=97586

http://forums.randi.org/showthread.php?t=95361

Pear's CEO response

http://gizmodo.com/gadgets/double-bl...oax-307473.php
http://tinyurl.com/2n6dfe

M
 




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