RBH Sound SA-250DSP Manual de Instruções descarregar pdf (Página 14)

RBH Sound Subwoofer Ampliﬁer 12 Owner’s Manual

No sound from

the subwoofer(s).

Sound from

at least one

subwoofer, but

not the other(s).

Performance

is less than

expected.

Ampliﬁer is not connected to

constant A/C power outlet.

Subwoofer(s) is/are not connected to

the ampliﬁer correctly.

Ampliﬁer is not receiving an audio

signal from the pre-amp/receiver.

Electrical short in wiring.

Ampliﬁer fuse might be blown.

Bad connection(s) to non-working

subwoofer(s).

Electrical short in wiring.

If one subwoofer is damaged due to

being overdriven, then it may have a

negative effect on another subwoofer

used in a series connection.

The + and – polarity of the subwoofer

wire might be reversed on the

subwoofer.

Crossover frequency is not adjusted

correctly.

Troubleshooting

Probable Cause:

Situation:

Make certain the ampliﬁer is plugged into

an unswitchable A/C power outlet.

Make certain that subwoofer(s)

is/are connected properly (refer to the

connections section of this manual).

Maker certain there is an audio signal

from pre-amp/receiver and audio

connections resemble those in the

connections section of this manual.

Verify that all connections are complete

and secure, with no stray wires

contacting other terminals.

Replace fuse (if fuse is not readily

accessible, consult your authorized RBH

dealer). WARNING: Before replacing fuses,

please see the rear panel features/

controls section of this manual.

Verify all wires are properly connected.

Verify that all connections are complete

and secure, with no stray wires

contacting other terminals. If problem is

in wire itself, replace the suspect wire.

Check each individual subwoofer to verify

each is still operational.

Check the entire system for proper

polarity.

Adjust crossover frequency until desired

sound is obtained.

Solution:

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