Special 2 slot backplane K551X with 2 slots.
Allows to connect 2 51X format modules to the inputs and outputs.
Can be wired via K551X INOUT output cards.
Powered by the PSU BUS K551XPSU via a ribbon cable.
The K551X type 2 allows 2 adjacent modules to communicate via relays controlled by a switch on 1 of the 2 modules.
For example, insert an equalizer module into the path of a preamplifier.
Available in PCB only, Kit or built & tested
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