Meridian America Meridian 505 - Manual (Page 11)

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