Instruction manual

W18As

bi-amped, active loudspeaker system

Control and connection panel

1 The W18As speaker system is equipped with XLR

male (OUT) and female (IN) parallel connected

sockets allowing easier daisy-chaining.

 Mixer output  W18As input ('IN' socket)

 W18As output ('OUT' socket)  input ('IN' socket)

of the W18As to be connected in parallel.

 See 'connectors' and 'connection examples' at

pages 9 and 10.

2 Main volume (VOL). Adjusts the input levels of the

two built-in power ampliﬁers to adapt them to the

output level of the mixer.

3 High frequencies level control (H.F.).

NOTE: if you are using a Montarbo mixer (or any

mixer having an output level of 0dB) for optimum

performance it is advisable to set both controls fully

clockwise (to their maximum settings).

4 POWER / 0 - I: Mains power on/off switch.

5 Mains power cord socket (with built-in fuse).

Use only the factory supplied mains cable or a

suitable cable with a ground connection and

marked with the safety approvals valid in the

country of use. When installing make sure that it is

easy to get to this connector and to the mains plug.

6 Thermostatically controlled low turbolence fan.

NOTE: in order to reduce noise and dust build-up,

the thermostatically controlled fan is not activated

unless the ampliﬁer heats up to a pre-set level, and

it turns off automatically when the temperature

drops back down below this level.

f u s e r e p l a c e m e n t

Service fuse

Spare fuse