Teflon base tube socket, can absorb machine vibration, more silent
24K Gold Plated connection point
The hole diameter 26.50mm, Mounting distance 35mm.
Fit for 12AF6, 12AJ6, 12AV6, 12BA6, 12BE6, 12CN5, 12CX6, 12EH5, 12EL6, 12FK6, 12GA6, 12AE6, 12AT6, 12AV6, 12BK6, 12BT6, 12BU6, 12FM6, 12FT6, 12R5, 18FY6, 18FY6A, 18GE6, 19J6, 19T8, 1L4, 1T4, 1U4, 1Z2, 2BN4, 2T4, 26C6, 35B5, 35C5, 35W4, 36AM3, 3Q4, 3V4, 3AV6, 4AV6, 4AU6, 4BN6, 50C5, 5663, 6066, 6660, 6663, 6AL5, 6AV6, 6AG5, 6AG5A, 6AK5, 6AN4, 6AQ5, 6AQ5A, 6AQ6, 6AT6, 6AU6, 6BA6, 6BE6, 6BJ6, 6BK6, 6BF6, 6BT6, 6BU6, 6BZ6, 6CA5, 6CB6, 6CB6A, 6CE5, 6CF6, 6CS6, 6CY5, 6DC6, 6DK6, 6DT6, 6EH5, 6EV5, 6EW6, 6FV6, 6FY5, 6GM6, 6J6A, 6T4, 6T8, 6X4, etc