A:AnswerI'm not sure but if i have to take a guess, no, it will not. Input is suppose to be universal, but output is for US outlet. Unless Ireland has same outlet port as US, it won't work.
A:AnswerOld turntables may be driven by a motor that adjust the speed by the frequency. Germany has 50 Hertz and the US has 60 Hertz. If your turntable has a motor like the converting the power won't be sufficient, you would also need to convert the frequency. However, I would give it a try and you will find out whether it works.
regards
H