Alternatives:
CCBP S
Cardas/Colver binding post, short billet high purity copper posts. Billet Copper nut. Glass-filled nylon insulator. It can receive 4mm banana from the top and spades with an opening wider than 6mm from the side. Solderable. Please note there are two pairs shown in the picture.
ACBP S
Non-magnetic, billet Brass, short binding post, Rhodium over Silver plate. Billet Brass nut, Gold plate. Glass filled nylon insulator. Can receive 4mm banana plugs through the top and can receive a spade from the side with an opening of 6mm or more. Internally the posts are solderable.
Can also be mounted individually using our SBPI (single binding post insulator).