Integrated Circuit 5 LED VU Level Meter
 
The NTE1561 is a monolithic integrated circuit in a 9–Lead SIP type package designed for use as a 5 dot LED level meter driver. With a built–in rectifying amplifier, this device is suitable for AC/DC level meter applications such as VU meters or signal meters.
 
Full spec sheet:
https://www.nteinc.com/specs/1500to1599/pdf/nte1561.pdf