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The four jumpers pictured above and circled in white
control the
impedance of the speakers as follows;
1) Output 1 (Left speaker)
2) Output 1 (Right speaker)
3) Output 2 (Left speaker)
4) Output 2 (Right speaker)
Each Jumper has four positions labeled XI, X2, X4 and
X8. The VSS2 and VSS4 switchers are shipped with
the jumpers in the X2 position. This insures that the
minimum load with all zones turned on will be 4 ohms.
This assumes that the speakers connected are all 8-
ohm speaker systems.
If your speakers are 4-ohm systems, you should reset
the jumpers on all speakers to the X4 position. Again,
this will insure that the minimum load to your amplifier
will be 4-ohms with all speakers connected.
In either situation, if one pair of the speakers is set to
the "B" source while all others are set to the "A" source
you will have to increase your level setting on the
switchers volume control for the "B" source as the
impedance will now be increased to 16 ohms and this
may result in a slight loss of volume.
The important consideration here is that the minimum
impedance is maintained at a safe level.
A
If your amplifier's instructions caution against
using any speaker loads below 8-ohm, then you
should set the jumpers to X4 at all positions for 8-ohm
speakers, and increase the jumper setting to X8 for 4-
ohm speakers.
If you have any question on how these jumpers should
be set for your system, please feel free to call the
Innovative Home Products Technical Support team at
503.978.3365 or email support@phoenixgold.com
9300 North Decatur • Portland, OR 97203 • Tel: 503.286.9300 • Fax: 503.978.3302
www.phoenixgold.com/innovativehome
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