Creek Audio EVOLUTION 50A Buku Petunjuk - Halaman 5
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ADDING THE INTERNAL PHONO STAGE OPTION
For added flexibility, the Line 1 input on the EVOLUTION 50A can be used either for vinyl
disc (Phono) or line level. To listen to vinyl discs through the EVOLUTION 50A, it is nec-
essary to fit the optional Creek plug-in – 'Sequel Phono' board. Check with your dealer for
which version (MM40, MM48 or MC54) suits your cartridge. When the Phono PCB is fit-
ted, it will automatically indicate Phono on the display, when selected. Alternatively, Creek
Audio also produces a range of separate high-grade Phono pre-amplifiers, which can be
connected to any input.
A GROUND terminal post is provided on the rear panel to connect your turntable's ground
wire if provided.
LOUDSPEAKER CONNECTIONS
The loudspeakers should be connected using a suitable pair of cables designed specifical-
ly for audio use. Check with your dealer for advice. The terminals allow for bare wire, 4mm
plugs or spade lug connectors. Tighten the terminal fully after fitting the loudspeaker wire.
Please consult your dealer for advice if you are unsure.
It is very important to connect the loudspeakers with the correct phase. Cables are normal-
ly polarised with a line or writing on the positive side to assist in this. Connect the red (or
'positive' or '+') terminal of your loudspeaker to the red terminal of the amplifier and like-
wise for the black. If both channels are not connected with the same polarity, a severe loss
of bass performance and lack of stereo image will result.
It is very important not to short the loudspeaker cables together when the EVOLUTION
50A is powered on, as permanent damage may result. Ensure there are no strands of
cable bridging the terminals when connecting the loudspeakers and make all connections
with the EVOLUTION 50A turned OFF. If it is necessary to change or move the location of
the loudspeakers, make sure that you first power off the EVOLUTION 50A and then re-
check the wiring once finished.
REMOTE IN/OUT
The EVOLUTION range of products are equipped with remote control input and output
jacks to allow the use of external infra-red (IR) sensors and to allow the products to "talk"
with each other, forming an integrated system with additional features. The remote OUT
jack is opto-isolated (electrically 'floating') to prevent any interference to the audio signals
when linking equipment. Both IN and OUT jacks are in fact bi-directional for the signals but
the IN jack also provides power which is used to run the external IR sensor or the opto-iso-
lator circuitry on the OUT jack. Always connect an IN jack to an OUT jack on matching
EVOLUTION range products, NEVER connect and IN jack to an IN jack as damage
could result!
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