Krix Seismix 5 connection, Method 1 Line Level Connections, Method 2 Speaker Level Connections

Congratulations on choosing Krix

The Seismix 3 and Seismix 5 active subwoofers will complement existing Stereo or Home Theatre systems producing an increase in low frequency performance for a deep experience. The Seismix 3 and Seismix 5 are compatible with a variety of small to large sized, sealed or vented, main/satellite speakers.

Your subwoofer contains an amplifier of the highest electronic standards. Krix have introduced In Circuit Serial Programming (ICSP), meaning the microcontroller within the amplifier can be upgraded via the serial interface located internally on the amplifier module. This means as future features are developed your subwoofer can be upgraded. You would simply need

to return the amplifier module to Krix, where the upgrade would take place.

Figure 1 Back panel of subwoofer

Figure 2 Connection using Line Level signal

connection

1. Ensure the main power switch is off

and connect the mains power cord.

2. There are two methods which you can use

to connect the Seismix subwoofer, either

via the line level inputs which will require

your stereo amplifier / AV receiver to have

a subwoofer output facility (mono or stereo

outputs) or via the speaker level inputs.

Method 1: Line Level Connections

It is recommended that you use Line Level

connections for home theatre applications.

Connect the SUB OUT socket(s) on your

AV receiver to the Line Level input(s)

which are a pair of RCA sockets located

in the middle of the rear subwoofer panel

(see figure 1). The SUB OUT socket on your

AV receiver is usually mono which can be

connected to the Seismix with one lead

to the ‘Left (mono)’ input. If your AV receiver

has stereo SUB OUT sockets then use dual

Main AV Receiver

To main stereo speakers

leads, connecting these to the ‘Left and

Right’ inputs. Refer to figure 2 for connection

using Line Level signal.

Method 2: Speaker Level Connections

For stereo applications connect the Speaker

Volume Control

Low Pass Control

Line Level Inputs

Speaker Level

Input/Outputs

Mains Power Switch

From pre-out	+ - - +
or sub-out

If only a single or mono sub-outexists, then plug that into the left Line Level input labelled mono

Figure 3 Connection using Speaker Level signal

To main stereo speakers

Level outputs on your main amplifier to the

Speaker Level inputs on the rear panel of

the Seismix (see figure 1). Then connect

the Speaker Level outputs on the rear panel

of the Seismix to each of your left and right

speakers. Be sure to maintain correct phasing

for each set of speaker leads, red (positive +)

to (+) and black (negative -) to (-). Refer

to figure 3 for connection using Speaker

Level signal.

3. Before turning the Seismix on, ensure the

volume control is turned down and set the

Low Pass (Hz) control to the middle position

(see figure 1). Turn on the unit with the

power switch located at the bottom of the

rear panel, the subwoofer will activate and

the blue Power / Standby LED will light up.

Begin by playing music with bass content

and slowly increase the volume dial on the

subwoofer to a moderate level.

Main Stereo Amplifier + - - +