Line Speakers; Frame To Gnd Link - Optimus DA-240M4 Manual De Instalación Y Funcionamiento

DA-240M4
Class‐D amplifier
5.3. 100 V LINE SPEAKERS
Connect the speakers in parallel. The sum in W of all speakers connected to a single channel must
not exceed the power of the channel, in this case 240W.
NOTE: Each channel is independent, never mix two lines. The minimum cross‐section is 1.5 mm²,
but it can be increased according to installation requirements.
5.4. 8 Ω LINE SPEAKERS
Connect the speakers in series or parallel. The total impedance of the speaker line must be 8 Ω, and
the sum of power supported by the speakers must be 240 W.
NOTE: Each channel is independent, never mix two lines. The minimum section is 2.5 mm², but it
can be increased according to the installation requirements.
5.5. FRAME TO GND LINK
This amplifier includes a ground to frame link switch. A single frame to ground link should exist in
the installation; in other case ground noise could appear. Place the switch in the GND position to
link frame and ground or in the LIFT position to unlink them.
DA-240M4 Version 1.0 Page 7 of 9