Russound WALTX-2 Bedienungsanleitung

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3.Determine the impedance for each pair of speakers connected to the amplifier

by referring to its manual.

4.Determine the total number of 4-ohm pairs of speakers. (Rows on charts)

5.Determine the total number of 8-ohm pairs of speakers. (Columns on charts)

6.Follow the appropriate row and column to determine jumper settings.

012345678910111213141516

0-1X1X2X2X4X4X4X4X8X8X8X8X8X8X8X8X

11X2X2X4X4X4X4X8X8X8X8X8X8X8X8X

22X4X4X4X4X8X8X8X8X8X8X8X8X

34X4X4X8X8X8X8X8X8X8X8X

44X8X8X8X8X8X8X8X8X

58X8X8X8X8X8X8X

68X8X8X8X8X

78X8X8X

88X

012345678

0-1X2X4X4X8X8X8X8X

12X4X4X8X8X8X8X

24X8X8X8X8X

38X8X8X

48X

Impedance Matching For 4 Ohm Amplifiers

Impedance Matching For 8 Ohm Amplifiers

8 Ohm Pairs

4 Ohm Pairs

4 Ohm Pairs

8 Ohm Pairs

Example:The table to the right shows

an 8-ohm minimum impedance

amplifier with 1 pair of 4-ohm speakers

and 3 pair of 8ohm speakers. The chart

indicates the jumper setting should be

set at 8X.

3

Figure 1 Impedance Matching Charts For UltraMatch™

wALTx-2 Manual 5/16/07 12:32 PM Page 3

3.Determine the impedance for each pair of speakers connected to the amplifier

by referring to its manual.

4.Determine the total number of 4-ohm pairs of speakers. (Rows on charts)

5.Determine the total number of 8-ohm pairs of speakers. (Columns on charts)

6.Follow the appropriate row and column to determine jumper settings.

012345678910111213141516

0-1X1X2X2X4X4X4X4X8X8X8X8X8X8X8X8X

11X2X2X4X4X4X4X8X8X8X8X8X8X8X8X

22X4X4X4X4X8X8X8X8X8X8X8X8X

34X4X4X8X8X8X8X8X8X8X8X

44X8X8X8X8X8X8X8X8X

58X8X8X8X8X8X8X

68X8X8X8X8X

78X8X8X

88X

012345678

0-1X2X4X4X8X8X8X8X

12X4X4X8X8X8X8X

24X8X8X8X8X

38X8X8X

48X

Impedance Matching For 4 Ohm Amplifiers

Impedance Matching For 8 Ohm Amplifiers

8 Ohm Pairs

4 Ohm Pairs

4 Ohm Pairs

8 Ohm Pairs

Example:The table to the right shows

an 8-ohm minimum impedance

amplifier with 1 pair of 4-ohm speakers

and 3 pair of 8ohm speakers. The chart

indicates the jumper setting should be

set at 8X.

3

Figure 1 Impedance Matching Charts For UltraMatch™

wALTx-2 Manual 5/16/07 12:32 PM Page 3

Example: The table to

the right shows an 8-ohm

minimum impedance

amplier with 1 pair of 4-ohm

speakers and 3 pairs of 8-ohm

speakers. The chart indicates

the impedance switch should

be set at 8X.

Figure 1 Impedance Matching Charts for Ultramatch

TM

Frame

Considerations

1. Make sure that your amplier has adequate wattage for the number

of speakers. Watts per channel divided by the number of pairs

should equal or exceed the individual speaker’s minimum wattage

requirements.

2. You must use impedance matching volume control for each pair of

speakers.

3. Every impedance switch must be set on the same setting

throughout the system.

4. A minimum speaker load of 4-ohms can be connected to the output

of each volume control.

Once the impedance setting has been determined, set the

impedance switch to the appropriate positions, either 2X, 4X, or

8X, as shown in the diagram below.

WALTx-2 - Weatherproof Volume Control

Instruction Manual:

Product Overview

The WALTx-2 Weatherproof Volume Control is designed to provide volume

control for outdoor or wet locations and can be mounted on an exterior

wall or hard, at surface, as well as directly on a section of 3/4” PVC

conduit. The WALTx-2 provides superior protection against moisture from

rain, splash or sauna.

The WALTx-2 connects between the speaker outputs of an amplier or

receiver and a pair of speakers. The 1X setting allows the volume control

to be used as a standard control. The 2X, 4X, and 8X settings allow it to

be used when more than one pair of speakers is connected to the same

amplier.

The impedance matching of the WALTx-2 volume control provides a

method of matching the minimum output impedance of the amplier

or receiver, in addition to adjusting volume. It eliminates the need for a

speaker selector or impedance matching equipment. The WALTx-2 adjusts

volume level by attenuating the amplier signal output of the WALTx-2 to

the speakers.

All Russound Volume Controls are manufactured using a high-quality

autoformer design which provides long life, excellent frequency response,

no heat build-up, and maximum power transfer from the amplier to the

speakers.

All Russound WALTx-2 volume controls conform to UL Standard 1492 First

Edition, and for Canada Certied to CSA Standard 22.2 No. 1-M94. This

certication assures that your WALTx volume control has been designed

and tested for safety.

Determining the Proper Impedance Switch Settings

The impedance switch must be set in a position that correctly multiplies

the impedance of the system to a level that is equal to or greater than

the impedance of the amplier. The impedance switch settings can be

determined using the following simple steps:

1. Determine the amplier’s minimum impedance. The amplier’s

minimum impedance is usually found following Wattage and

Frequency Response in the amplier’s specication page of the

manual. It may also be listed on the back panel of the amplier near

the speaker terminals. Impedance is measured in ohms.

2. From Fig. 1, identify the correct impedance-matching chart

according to your amplier’s minimum impedance. There are two

impedance matching charts, one for 8-ohm ampliers and one for

4-ohm ampliers. Choose the chart that describes your amplier. If

your amplier is 6-ohm stable, use the 8 ohm chart.

3. Determine the impedance for each pair of speakers connected to

the amplier by referring to its manual.

4. Determine the total number of 4-ohm pairs of speakers. (Rows on

charts)

5. Determine the total number of 8-ohm pairs of speakers. (Columns

on charts)

6. Follow the appropriate row and column to determine the

impedance switch setting.

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