Niles OS-20 Installation & Operation Manual Download Page 7

1. If the speaker is never going to be exposed to sudden accidental impacts,
wind, waves or earthquakes you can simply hang it on a nail using the nail
hole(s) of the bracket (See Figure 7).

2. The safest and most secure way to mount the speaker is by screwing it to the
mounting surface using your own hardware (suitable for the surface you are
mounting to) and the bracket supplied with the speaker (See Figure 7).

3. There are threaded brass inserts on the back of the OS-20 for attaching an
OmniMount or a custom bracket (See Figure 7). This allows you to position the
speaker at unusual angles or distances from the mounting surface.

Safety First!

Be careful to use hardware that is designed for the surface you are mounting to.
The OS-20 with the bracket weighs 8-1/2 pounds. If you are not sure of a safe way
to mount the speakers, consult a professional installer or a building contractor.

You will maximize the useful life of the speaker, by placing the speaker so that
it receives less exposure to the elements. Look for the best overall compromise
between sound quality, convenience, and exposure. Do not compromise safety.

PAINTING THE OS-20

The  enclosure, the brackets, and the grills of the OS-20 can all be painted to
match the surroundings. Because we want you to preserve the acoustic quali-
ties of the grill, please paint the grill according to the grill painting instructions.
Make sure you pick a paint that is appropriate for the mounting location. There
are interior and exterior varieties, and even paint for marine uses. If you are not
sure what paint to use, consult a paint store professional or a painter. 

Tools Required

• A spray can of primer paint (Krylon Sandable Spray Primer #1318)
• The correct paint for the surroundings (oil or water based paint is fine) 
• A paint brush or applicator if the paint is not in a spray can.
• A paper clip or a corkscrew (for removing the grill)
• Masking tape
• 2 paint masks (supplied)
• A damp cloth and a dry cloth

Preparing to Paint

1. Separate the parts of the speaker. You should remove the brackets and the
bracket knobs. Remove the grill by hooking it with a bent paper clip or the tip
of a corkscrew and pulling it away from the cabinet (See Figure 8).

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Figure 7  The OS-20 can be mounted three ways.

Figure 8  

Removing the grill using a paper clip

Nail Mounting

Screw Mounting

OmniMount or Custom Bracket Mounting

Summary of Contents for OS-20

Page 1: ...I N G H I G H F I D E L I T Y A N D A R C H I T E C T U R E I N S T A L L A T I O N O P E R A T I O N G U I D E Niles Audio Corporation 12331 S W 130 Street Miami Florida 33186 Tel 305 238 4373 Fax 3...

Page 2: ...heir own back yard CONGRATULATIONS Thank you for choosing the OS 20 Indoor Outdoor Loudspeaker from Niles With proper installation and operation you ll enjoy years of trouble free use Niles manufactur...

Page 3: ...added stability FEATURES BENEFITS Precision Crossover An electronic dividing network inside the cabinet precisely distributes the music to the woofer and the tweeter The two way design of the OS 20 s...

Page 4: ...The hardware is made of stainless steel or brass and the binding posts are plat ed with gold The bracket and grill are made of aluminum oxidation is self lim iting with aluminum and it is powder coat...

Page 5: ...ire stripper A pencil A level optional Three screws or bolts suitable for the mounting surface The proper screwdriver for your mounting hardware A drill bit of the right size and type An electric dril...

Page 6: ...asure the distance between the ideal listening position and the wall you plan to mount the speakers on Try to place the speak ers so that they are at least one half the listening distance apart this m...

Page 7: ...t compromise safety PAINTING THE OS 20 The enclosure the brackets and the grills of the OS 20 can all be painted to match the surroundings Because we want you to preserve the acoustic quali ties of th...

Page 8: ...inserting the supplied paint masks in place of the grills Painting the Cabinet Bracket Knobs and Bracket 1 Apply two thin coats of a primer to the cabinet and knobs We recommend Krylon Sandable Spray...

Page 9: ...ker to the bracket Do not tight en the knobs completely Angle the speaker so that the rear terminals are accessible 5 Connect one stripped wire end or connector to the black and one to the red termina...

Page 10: ...reflect and contain the sound It requires more power to achieve a reasonable volume of sound outside than it does when you are indoors You also frequently find yourself very far from the speaker It i...

Page 11: ...for runs up to eighty feet Fourteen gauge 2 conductor unshielded or shielded wire for runs up to two hundred feet Temperature Extremes 50 to 200 Fahrenheit Dimensions Speaker without U Bracket 9 7 8 W...

Page 12: ...e factory only at its expense within the United States of America THERE ARE NO OTHER WARRANTIES INCLUDING WITHOUT LIMITATION EITHER EXPRESS OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FIT NESS FOR A P...

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