Adapters -Tested 2x 9 Pin Vacuum Tube Socket With 40mm Cap For 12AX7 Highlights Generic Brand Tested 2x 9 Pin Vacuum Tube Socket With 40mm Cap For 12AX7 Description: Bakelite 9 pin tube GZS9-F2-D-55 9-pin tube screen cap socket. Small 9-pin tube holder with cover, opening diameter 18.5. Applicable to 12AX7, 12AT7, 12AU7, ECC83, ECC82, E88CC 6922 6n1 6n11 etc. Small 9-pin bakelite tube socket with aluminum protective cap, built-in spring, can quickly dissipate heat and effectively protect the tube from damage, height 55mm, installation hole center distance 28mm, panel opening 18.5mm, suitable for small height less than 55mm 9 pin tube. Small 9 pin tube cover socket with aluminum shield tin plated phosphor bronze pin for scaffolding. Specification: Tube Height: 403mm Size: 65x35x25mm/2.55x1.37x0.98inch Package Includes: 2 Pieces 9 Pin Vacuum Tube Socket Note: Color may be slightly different due to color calibration of each individual screen. Please allow slight measurement deviation due to manual measurement.