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4
FUNCTIONS
THE INSIDE
9. Input Grounding:
For most systems you can leave this jumper set in the
BALANCED
position. In some systems, the source unit may look for a ground
through the RCA connectors. In this event, you should go ahead and change the
jumpers to the
UNBALANCED
position.
10. Ground Isolation Jumpers:
Occasionally alternator whine may appear in a
system because the source unit and amplifier may use different grounding.
To help in this situation, we have provided alternative grounding connections.
Made sure your system is turned
OFF
before you move these jumpers.
11. Bass Output Control Jumpers:
Not all systems are designed the same, some
systems are designed strictly for
SPL
(sound pressure level) while others are a
little more tame. The
Bass Maximize circuit
can either increase or decrease
the signal voltage of the
Bass Restoration Circuit
. Depending upon your
system, you may opt to change these jumpers to a higher or lower setting to
maximize your bass output and protect your speakers. In most systems the
factory setting will suit you fine. We recommend you try the factory setting
first.
