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

[James Knott]

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.