Both controllers are currently for sale on eBay by “tubegurl” (Oregon),

at very LOW prices.  Appears to be a large (radio estate).

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Paccomm owner, Gwen Reedy, W1BEL (sk), developed the Spirit-2 (initially called Sprint-2) capable of 38.4k receive and 9.6k for satellite mode or packet backbone

Mark Hammond, W8MH could tell you about the Spirit-2 (he owns one).

AEA DSP-2232 Multi-Mode DSP Controller

Another 1990s favorite with multiple capabilities.

DSP-2232 Operator’s Manual at Repeater Builders TIP

Timewave has latest firmware: Ver. 7.032 (Dec. 1, 1993) EPROMs

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greg, w9gb

chicago