The Big Bell Temple is a Buddhist temple located at the Beisanhuan Xilu at Beijing, China.
The Big Bell Temple was built in 1733 during the reign of Emperor Yongzheng of the Qing Dynasty . The temple's name came after the famous "Yongle" Big Bell that is housed inside the temple, which was cast during the reign of Emperor Yongle of the Ming Dynasty . Many music experts, including some from the Chinese Acoustics Institute have found its tone pure, deep and melodious with a sprightly rhythm. Its frequency ranges from 22 to 800 hertz.
Accord to about.com: