The AR30 FM/AM integrated receiver proves Sonata’s beauty is way more than
skin deep. Using a substantial toroidal transformer and fully discrete amplification,
this receiver offers genuine hi-fi performance and an impressive 40 Watts per
channel (8 Ohms) of controlled, refined power.

https://supportarchive.cambridgeaudio.com/hc/en-us/articles/200567171-Sonata-
AR30-User-Manual

https://supportarchive.cambridgeaudio.com/hc/en-us/articles/200567171-Sonata-AR30-User-Manual