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uk.rec.audio (General Audio and Hi-Fi) (uk.rec.audio) Discussion and exchange of hi-fi audio equipment.

Any hope for a 40 year old tape reel?



 
 
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  #1 (permalink)  
Old May 15th 06, 05:10 PM posted to uk.rec.audio
Mike O'Sullivan
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Posts: 49
Default Any hope for a 40 year old tape reel?

Nick wrote:

Thanks for the replies.

I'm in Southampton


I'm in Guildford and I have a Teac open-reel which would do the job.
  #2 (permalink)  
Old May 15th 06, 06:05 PM posted to uk.rec.audio
tony sayer
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Posts: 2,042
Default Any hope for a 40 year old tape reel?

In article , Mike O'Sullivan
writes
Nick wrote:

Thanks for the replies.

I'm in Southampton


I'm in Guildford and I have a Teac open-reel which would do the job.


I've got a shed full of REVOX's but I sure one of them will suffice if
all ease fails;!.

I'm in Cambridge.......
--
Tony Sayer

  #3 (permalink)  
Old May 15th 06, 10:33 PM posted to uk.rec.audio
Dave Plowman (News)
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Default Any hope for a 40 year old tape reel?

In article ,
tony sayer wrote:
I've got a shed full of REVOX's but I sure one of them will suffice if
all ease fails;!.


Not at 1 7/8ths IPS...

--
*You can't have everything, where would you put it?*

Dave Plowman London SW
To e-mail, change noise into sound.
  #4 (permalink)  
Old May 16th 06, 06:39 AM posted to uk.rec.audio
Mike O'Sullivan
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Posts: 49
Default Any hope for a 40 year old tape reel?

Dave Plowman (News) wrote:

In article ,
tony sayer wrote:

I've got a shed full of REVOX's but I sure one of them will suffice if
all ease fails;!.



Not at 1 7/8ths IPS...


But there is software which will do the conversion, because I once did it.
  #5 (permalink)  
Old May 16th 06, 08:40 AM posted to uk.rec.audio
Dave Plowman (News)
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Posts: 5,872
Default Any hope for a 40 year old tape reel?

In article ,
Mike O'Sullivan wrote:
I've got a shed full of REVOX's but I sure one of them will suffice if
all ease fails;!.


Not at 1 7/8ths IPS...



But there is software which will do the conversion, because I once did
it.


Why bother since 1 7/8 ips machines exist? Also, if it's a decent
recording, running it through a machine at double speed will remove some
of the treble due to the head gap extinction frequency. And no software
can recover that.

--
*Would a fly without wings be called a walk?

Dave Plowman London SW
To e-mail, change noise into sound.
  #6 (permalink)  
Old May 16th 06, 01:00 PM posted to uk.rec.audio
Jim Lesurf
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Default Any hope for a 40 year old tape reel?

In article , Dave Plowman (News)
wrote:
In article , Mike O'Sullivan
wrote:
I've got a shed full of REVOX's but I sure one of them will suffice
if all ease fails;!.


Not at 1 7/8ths IPS...



But there is software which will do the conversion, because I once did
it.


Why bother since 1 7/8 ips machines exist?


Perhaps the problem is a parallel with one I encountered a few years ago. A
15ips recording and my only 15ips recorder died before I could transfer the
recording to CD.

I played it at 7.5ips and then simply time-converted the sampled data by a
factor of 2. The results came out surprisingly good despite my ignoring any
implied changes due to differences in the equalisations.

Also, if it's a decent recording, running it through a machine at double
speed will remove some of the treble due to the head gap extinction
frequency. And no software can recover that.


Perhaps I'm not following the above. By "head gap extinction" do you mean
the effect of finite gap width?

If so, I understand that to depend on the ratio between the gap width and
the *wavelength* on the tape. Thus, I'd expect the effect to scale with
speed in the same way as the conversion you'd have to make to process the
result. Am I misunderstanding what you are referring to? Must confess my
knowledge of this area is limited.

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
  #7 (permalink)  
Old May 16th 06, 03:33 PM posted to uk.rec.audio
Dave Plowman (News)
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Posts: 5,872
Default Any hope for a 40 year old tape reel?

In article ,
Jim Lesurf wrote:
If so, I understand that to depend on the ratio between the gap width and
the *wavelength* on the tape. Thus, I'd expect the effect to scale with
speed in the same way as the conversion you'd have to make to process the
result. Am I misunderstanding what you are referring to? Must confess my
knowledge of this area is limited.


The maximum theoretical HF frequency on replay is defined by the head gap
- the smaller the better. Double the speed of the replay and the
wavelength halves - thus removing the final octave. In theory, at least.

--
*Age is a very high price to pay for maturity.

Dave Plowman London SW
To e-mail, change noise into sound.
  #8 (permalink)  
Old May 16th 06, 08:10 AM posted to uk.rec.audio
tony sayer
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Posts: 2,042
Default Any hope for a 40 year old tape reel?

In article , Dave Plowman (News)
writes
In article ,
tony sayer wrote:
I've got a shed full of REVOX's but I sure one of them will suffice if
all ease fails;!.


Not at 1 7/8ths IPS...


Err, no!.....
--
Tony Sayer

  #9 (permalink)  
Old May 16th 06, 08:18 AM posted to uk.rec.audio
Don Pearce
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Posts: 1,412
Default Any hope for a 40 year old tape reel?

On Tue, 16 May 2006 09:10:36 +0100, tony sayer
wrote:

In article , Dave Plowman (News)
writes
In article ,
tony sayer wrote:
I've got a shed full of REVOX's but I sure one of them will suffice if
all ease fails;!.


Not at 1 7/8ths IPS...


Err, no!.....


Why not? Just record to a PC at whatever speed is available, then
change the speed in whatever audio software is available. Actually
quicker than going at true speed.

d

--
Pearce Consulting
http://www.pearce.uk.com
 




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