[GTALUG] CRT memories [was Re: IBM - cache skirmish story.]

[Alvin Starr]

On 04/24/2018 09:04 PM, James Knott via talk wrote:
> On 04/24/2018 07:42 PM, Alvin Starr via talk wrote:
>>> I suspect that all wire delay lines were magnetorestrictive, not
>>> acoustic.  I don't know that.
>>>
>>>
>> At one point there were spring based audio delay devices use for
>> adding reverb but they quickly got replaced with memory based
>> solutions when dram started showing up.
> They weren't spring based, just a loose coil of wire.
>
>
Take a look at https://en.wikipedia.org/wiki/Reverberation under Spring 
reverberators.
These are the ones I knew of but there may have been some other devices 
based on other operating principles.


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