They say if something seems too good to be true, then it's probably neither good nor true. But I will share this in case this is someone who truly just doesn't know what they've got:
https://www.ebay.com/itm/SANSUI-QRX...7.m570.l1313.TR11.TRC1.A0.H0.Xsansui+qrx.TRS0
https://www.ebay.com/itm/SANSUI-QRX...7.m570.l1313.TR11.TRC1.A0.H0.Xsansui+qrx.TRS0