As owner of a Vox AC15CC1 (hp Wharfedale), I equipped it with a hp Alnico Blue in 8 Ohm. Results: more balanced sound less shrill treble, bass rounder, scale and height of a heat my amp.
The report price xcellent quality since I did pay that 170 new on an English site.
I do it again this election without worries
Normment Suite applications, here is the link to English site o I bought my blue alnico. The report / GBP recess volumes but it seems to me that still has all the same intressant.

http://www.lean-business.co.uk/eshop/index.php?main_page=product_info&products_id=235