Very rare Studer HX Pro cards and the required 813 HF cards for the A820 A816 and A812 Mkll
HX Pro cards fully upgraded by Todor at Master Tape Sound
813 HF cards restored by Roger Ginsley.
I no longer have the A820 and these will not work in my A812 Mkl.
Great upgrade for the A820 owner
Price includes shipping and PayPal US 48 states only. EU and Canada contact for exact cost to post.
I will also accept Transferwise direct payment