Your question is ambiguous: for your Thorens you can use
any cart whatever. With 'the original tonearm' no cart whatever will be happy. Remove this tonearm and buy the Rega 300 or 301. In an decent tonearm many carts will perform well. But considering your pre-amp you should check the MM thread.Ie any MM cart will do well with the Rega as well with your SP 17.
any cart whatever. With 'the original tonearm' no cart whatever will be happy. Remove this tonearm and buy the Rega 300 or 301. In an decent tonearm many carts will perform well. But considering your pre-amp you should check the MM thread.Ie any MM cart will do well with the Rega as well with your SP 17.