bittner XB400 - Binding Post; Phoenix; Speakon; Operation Modes

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2 Technical Features

2.8.1 PHOENIX

The Phoenix audio connectors contain two pins per channel: Signal (+) and Signal (-). Depending on the

model more than one channel might be combined on the PHOENIX connector.

Caution

OUTPUT TERMINAL SAFETY WARNINGS:

The removable PHOENIX terminal block must be fastened to the ampliﬁer’s output connector by

screws.

Do not touch output terminals while ampliﬁer power is on. Make all connections with ampliﬁer

turned off. Risk of hazardous energy!

2.8.2 SPEAKON

Speaker cables may be connected to the 4 pin NEUTRIK SPEAKON connectors.

Pin-out SPEAKON connector NL4FC for channel 1 and 2:

Pin Function

1+ Output (+)

1- Output (-)

2+ n/c

2- n/c

The PHOENIX connectors are connected in parallel to channel 1 and 2 of the SPEAKON connectors. It is

possible to use both connections at the same time (to parallel several loudspeakers). In this case the polarity

of the speakers has to be the same. It is also important not to go below the minimum load impedance of the

ampliﬁer.

2.8.3 Binding Post

The Binding Posts contain two pins per channel: Signal (+) and Signal (-). Every two channels are combined

on one block.

Caution

OUTPUT TERMINAL SAFETY WARNING! Do not touch output terminals while ampliﬁer power

is on. Make all connections with ampliﬁer turned off. Risk of hazardous energy!

2.9 Operation Modes

On the rear of the ampliﬁer three different operation modes can be selected on the DIP-Switch panel:

• STEREO

• PARALLEL

• BRIDGED MODE

The ampliﬁer must be re-powered before the mode change is activated.

 2016 Bittner Audio Int. GmbH