I had a few 100's 478 and 480 for the IBA about 8 years ago. Both were bad.
The 478 played well after 3 days in the oven, the 480 required 5 days.
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On Tue, Aug 7, 2018 at 8:51 PM, Corey Bailey <[log in to unmask]>
> Hi All,
> I recently transferred 4 reels of AMPEX 478 that was SSS so beware.
> As far as Qantegy is concerned:
> When Quantegy took over the AMPEX facility, they sold some re-branded
> AMPEX stock that has since gone bad. As I understand it, once the
> production line was purged and Quantegy began producing stock with their
> own formula (Starting with a revised AMPEX formula) the stock seemed OK.
> Quantegy changed their formula a couple of times, getting completely away
> from any AMPEX formulas, before closing their doors for good.
> Corey Bailey Audio Engineering
> On 8/7/2018 10:10 AM, Aaron Coe wrote:
>> Hi Richard,
>> FWIW I actually recorded to Quantegy 478 for The National Archives back
>> in the early 2000’s, and I can confirm that some of those reels are already
>> showing signs of sticky shed. My rule of thumb these days is that if it
>> has backcoating, it is most likely going to need to be baked.
>> On Aug 7, 2018, at 9:42 AM, Mint Records <[log in to unmask]>
>>> I've been sent a consignment of reels to transfer, most are BASF so
>>> be fine. However a few are Ampex 478. I've tried to research these reels
>>> and they aren't listed as having problems on Richard Hess's site, but
>>> others seem to think they might still have a problem and need baking.
>>> One BASF tape (a studiomaster 911) shows signs of having been in wet or
>>> least damp conditions. Any opinions of the best was to proceed? - The
>>> it's self (although a little dirty, but not thankfully mouldy) looks OK,
>>> but due to the previous exposure to damp, would anyone recommend baking
>>> safeties sake?
>>> Richard Moore
>>> (Apologies for posting from an odd account, my personal e-mail keeps
>>> rejecting ARSClist emails)