Home » Motion Control Catalog » Triad Preamp Electrode Set (6) – Long Triad Preamp Electrode Set (6) – Long Add to InquiryClick to add this item to cart. PART #: 3010834 Product Description 6 Electrode Disks for Triad Preamps, Long. Set of 6. See also different: Triad Preamp Electrode Set (6) – Medium PART #: 3010835 Triad Preamp Electrode (Single) – Medium PART #: 2000169 Triad Preamp Electrode (Single) – Long PART #: 2000168 << return to products