Phono switch box cable question

I just ordered a phono switch box so that I can use my phono preamp with either of my two turntables.  Both cartridges are low output moving coils and I use the same loading and gain parameters.  The unbalanced phono cables and respective ground wires from each turntable connect to separate inputs on the switch box while another set of unbalanced cables goes from the output to the phono preamp.  Should this output interconnect resemble a phono cable and be high capacitance or will a standard low capacitance interconnect cable work, or doesn't it matter?  Thanks.