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UPDATE:

I re-baked the 227 for 24 hours straight, followed by a 32 hour cool
down, and the tape played well from head to tail.

Thanks for the advice!

mike

----------------------------------
Michael Bridavsky
Audio Engineer
Digital Audio Archiving Project
Indiana University School of Music

Office: 812-855-6061
Cell:   812-327-7939

-----Original Message-----
From: Association for Recorded Sound Discussion List
[mailto:[log in to unmask]] On Behalf Of David Lennick
Sent: Thursday, March 30, 2006 8:14 PM
To: [log in to unmask]
Subject: Re: [ARSCLIST] scotch 227

Parker Dinkins wrote:

  on 3/30/06 4:51 PM US/Central, David Lennick at [log in to unmask] 
wrote:

  > One thing I'd add to this (which is interesting..I'd never seen
anything
  > about allowing them to cool for 12 hours)

  Actually in 1999 an engineer at Quantegy asked that I advise website
  visitors that the cooldown period should be 24 hours:

  > allow them to cool to the control room environment for 24 hours
prior to
  > working with the tapes. This allows the tapes to cool, relieves pack

stresses,
  > gives the binders time to re-adhere to the base film, and allows 
residual
  > lubricants deep in the layers of the tape to exude to the surface to

make the
  > tapes runnable.

  It's at
http://www.masterdigital.com/24bit/analogtape.htm#anchor1163399

  ---
  Parker Dinkins
  MasterDigital Corporation
  CD Mastering + Audio Restoration
  http://masterdigital.com



Now, what about these people who swear by a vegetable hydrator or a
drawer 
with 60-watt light bulbs in it or a copper bracelet or an exorcist?

dl