# Revox NAB Adapters

The classic and often most wanted Revox NAB adapters have a rubber O-ring with the following dimensions:

<table border="1" id="bkmrk-diameter%3A-65-mm-widt" style="border-collapse: collapse; width: 100%;"><colgroup><col style="width: 19.578%;"></col><col style="width: 80.5304%;"></col></colgroup><tbody><tr><td>diameter:</td><td>65 mm</td></tr><tr><td>width:</td><td>&gt;3 mm</td></tr></tbody></table>

[![image.png](https://www.reeltoreel.nl/bookstack/uploads/images/gallery/2026-04/scaled-1680-/eBdimage.png)](https://www.reeltoreel.nl/bookstack/uploads/images/gallery/2026-04/eBdimage.png)