Bose 791 manual Painting the frame, Using a spray technique, English

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English

REFERENCE

Using a spray technique

Latex or oil-based architectural paint requires thinning for use with a siphon-feed spray gun. Set the spray gun at 30 psi (2.1 bar) for application in a 3- to 5-in. (7.6-12.7 cm) fan pattern.

The thinning formula depends on the type of paint you are using.

•For use of vinyl acrylic latex paint, thin as follows:

To 6 parts of paint, add 3 parts of water and mix thoroughly. Add 1 part of denatured ethyl alcohol (which breaks down paint particles so they do not clog the grille) and mix again.

•For use of architectural or automotive paints:

This type of paint should be used by a professional with the right equipment and technique. This paint also must be thinned, using a solvent.

•For use of lacquer or enamel spray paint in a can: No further thinning is needed.

Then:

1.Suspend the grille or place it on a wire screen to prevent dirt or dried paint particles from blowing back into the perforations.

2.Apply the paint to the grille surface at a 45° angle. Then rotate the grille by 180° and repaint it at 45°.

3.Make sure the paint is dry before you attach the grille to the speaker.

The paint may feel dry to the touch in a few minutes. However, if alcohol has been added, it may take several days to fully cure.

Painting the frame

Before you begin, protect working parts of the speaker by inserting the template/paint shield that came in the carton.

Press the edges of the shield against the inside rim of the speaker until the tabs catch to hold the shield in place.

This protects working parts of the speaker and helps keep your paint edge even.

Tab

You can use the same conventional spray or roller equipment used to paint your wall or ceiling and either latex or oil-based paints, which adhere to the speaker frame. However, both types of paint can be easily scratched through careless handling.

CAUTION: Be careful so the paint does not puddle or run. You may want to use a brush for spreading paint where needed.

180°

45° 45°

Tip: To dislodge a paint clog, blow gently on the clogged area. If that does not work, immediately wash the grille with the appropriate solvent. Make sure the grille is thoroughly dry before repainting.

Piercing a perforation with a sharp implement to remove a paint clog can cosmetically damage the grille and is not recommended.

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