Originally Posted by
3alarmer
...there are also some Ofmega and Avocet branded (made by Ofmega) exceptions,
but it is not so much the taper angle as the size of the spindle ends and sockets, which is smaller.
Yes, the Ofmega spindles shared the same 2° taper; they just had a smaller cross-section:
Source: Sutherland's 4th Edition