Meridian America 551 - Manual (Page 29)

Setting up the
integrated amplifier
T
his chapter explains how to install the 551 Integrated Amplifier. It
describes what you should find when you unpack the integrated amplifier,
how you should connect it to your other audio equipment, and the siting
constraints.
You should not make any connections to the integrated amplifier or to any
other component in your system whilst the AC power supply is connected
and switched on.