# 12VDC relay suitable replacement for 18VDC?

I have inherited a fairly old Sharp amplifier which does not power on anymore. After poking around with a multimeter we notice that power stops flowing at a DEC Type DG1U TV-5 relay which is rated 8(2)/60A / 18VDC. My plan is now to replace this, however, there only seem to be relays of this type with 8/60A / 12VDC for purchase online.

Would 12VDC be a suitable replacement? We don't plan on driving a huge sound system (nor very loud) with this - at most a couple smallish tower speakers "rated for max. 90W" (what the sticker says).

I should also maybe note that I'm in Austria where we have 230V.