大毘盧遮那經廣大儀軌 3.13

3.13

北方葉華座，觀唅字光輪，
轉成鼓音王，離惱清涼定。

On the flower throne of the northern petal,
Visualize the luminous wheel of the syllable Haṃ,
Which transforms into Dundubhīnirghoṣarāja,
In the cool samādhi free from affliction.