Adept Audio IO60W Manuel d'installation - Page 4

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Indoor/Outdoor Speakers Installation Manual

What's Included

One Pair of Speakers • Mounting Template • Grille Removal Key • Installation Manual

Tools You'll Need:

Speaker Wire • Pencil • Wire Stripper • Bubble Level • Measuring Tape

Speaker Cable Choice

If you are running speaker cables through walls and ceilings, make sure your cables are CL3-rated for in-wall use. To ensure

the best performance from the speakers, use stranded speaker wire of the appropriate gauge for the length of the wire run.

0 -100' (0 - 30m): 16 gauge

50 - 150' (15 - 45m):14 gauge

Over 100' (30m): 12 gauge

70/100V Taps (IO80 Only)

The IO80's 70/100-volt option is advantageous when the design calls for multiple speakers from the same amplifier and/

or long-distance wire runs. This feature can be used only with amplifiers that have a 70- or 100-volt mode -- 70V is more

common in the U.S., while 100V is more common in other countries, especially in Europe.

The IO80 has a tap switch that controls 70/100V, 4-ohm operation. The tap switch is located on the front baffle of speaker.

To access the switch, remove the grille carefully using the included grille removal key. You will have to set this switch to suit

your amplifier's power and the number of speakers you have. To determine the best tap switch setting, take the rated power

of your amplifier and multiply it by 0.8. Divide this number tap setting of the speakers to find the number of speakers you

can drive. For example, with a 200-watt amp using speakers set for a 30-watt tap, you'd divide 160 by 30 to get 5.33, so you

can safely run five speakers from that amp channel. You can reduce the tap setting on the speakers to 15 watts to run twice

as many speakers, but the higher the tap switches are set, the better the sound quality will be.

When daisy-chaining multiple speakers, add the combined wattages of all tap settings to determine the wattage draw on

the amplifier. The combined total wattage should never exceed the wattage rating of the amplifier.

For 70V systems, the IO80 offers taps for 60W, 30W, 15W and 7.5W. For 100V systems, the available taps are 60W, 30W and

15W. Note that the IO80 also offers a 4-ohm switch setting for use with conventional amplifiers. By default, the tap switch is

set at 4-ohms.