Home » Motion Control Catalog » Triad Preamp Electrode Set (6) – Medium Triad Preamp Electrode Set (6) – Medium Add to InquiryClick to add this item to cart. PART #: 3010835 Product Description 6 Electrode Disks for Triad Preamps, Medium. Set of 6. See also different: Triad Preamp Electrode Set (6) – Short PART #: 3010836 Triad Preamp Electrode Set (6) – Long PART #: 3010834 Triad Preamp Electrode (Single) – Long PART #: 2000168 << return to products