[sdiy] Bubble memory analog delay?

cheater00 . cheater00 at gmail.com
Wed Jul 10 13:58:26 CEST 2013

Going off on a tangent here, are the DM1000's ADC and DAC clocked by
the varying clock, or are they synchronous to some crystal?


On Wed, Jul 10, 2013 at 12:36 PM, Neil Johnson <neil.johnson71 at gmail.com> wrote:
>>> You should be able to find
>>> examples of digital audio delays using either SRAM or DRAM chips on the
>>> internet.
>> Good idea.
> The Ibanez (Maxon) DM1000 is basically that, based on 16kB of DRAM
> chips, and varying the clock to adjust the delay time.  By the time
> you get out to 1s delay the bandwidth drops to 8kHz, but that's part
> of the vintage charm :)
> Neil
> --
> http://www.njohnson.co.uk

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