SDS7 Dual Sample voice cards

Thanks to Paul Metcalf for leading me to a document about the dual sample voice cards for the SDS7. The latest SDS7 systems featured voice cards which could carry 2 eproms = 2 sounds. There are several ways to trigger those sounds:

  • a dynamic threshold can be programmed. This means that the SDS7 was the first kit featuring velocity stacks (even earlier than SDX had been introduced)
  • by a stereo snare pad (snare and rim sound)



4 Responses to “SDS7 Dual Sample voice cards”

  1. Paul Metcalf says:

    I’m glad you are able to share this with the rest of the Simmons “fan/collector” community Wolfgang, and thank you again for your help.

    My next quest is to find one of these cards, hopefully in working order! 🙂

  2. Paul Metcalf says:

    Wolfgang, I finally found one of these modules! My personal vintage Simmons score of the year I’d say. 🙂

  3. Patrice says:

    I have a few new one available if anyone is interested. please contact me in MP.

    have a nice day


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