What Does The Dust Cap On A Speaker Do?

by | Last updated on January 24, 2024

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The dust cap (also known as dust dome, or dome) is a gently curved dome mounted either in concave or convex orientation over the central hole of most loudspeaker diaphragms. It

protects the inner mechanics (such as the pole pieces and the voice coil) from small particles (which can cause rubs) and other contamination

.

Does subwoofer dust cap size matter?

Does subwoofer dust cap size matter?

Smaller lighter caps extend response higher

, but also will result in a response hole between the low frequency output of the cone and the high frequency output of the dome. Medium size/mass caps won’t go as high but give smoother broadband response.

Does the dust cap affect sound?

When it comes to speakers without grills, people usually punch or push a small dent on a speaker’s dust cap.

The dent doesn’t actually affect the speaker’s performance

but rather it becomes eyesore, dents make speakers look ugly.

What’s the point of a dust cap?

Tyre valves control the airflow in and out of your tyres, maintaining their pressure and performance. Dust caps, or valve caps, are

placed over the end of these valves

to prevent dirt, moisture or debris from entering the valve – saving it from damage and other issues.

How do you pop a dust cap on a speaker?

When it comes to speakers without grills, people usually punch or push a small dent on a speaker’s dust cap.

The dent doesn’t actually affect the speaker’s performance

but rather it becomes eyesore, dents make speakers look ugly.

How do you replace a dust cap on a speaker?

Make a

‘handle’ of masking tape

to easily handle the new dust cap. Apply glue to the (adhesive) edge of the dust cap. Fit the dust cap on the speaker cone and carefully remove the masking tape. Rub / press the glue edge of the dust cap with a wooden spatula.

How do you replace a dust cap?

Make a

‘handle’ of masking tape

to easily handle the new dust cap. Apply glue to the (adhesive) edge of the dust cap. Fit the dust cap on the speaker cone and carefully remove the masking tape. Rub / press the glue edge of the dust cap with a wooden spatula.

Why are they called dust caps?

You are probably aware that the main role of a valve stem cap is

to protect the tyre valve from dust, dirt and moisture getting inside

, which is why they are also called dust caps, as well as preventing tyre pressure from getting out.

How do you fix a pushed dust cap on a speaker?

Make a

‘handle’ of masking tape

to easily handle the new dust cap. Apply glue to the (adhesive) edge of the dust cap. Fit the dust cap on the speaker cone and carefully remove the masking tape. Rub / press the glue edge of the dust cap with a wooden spatula.

Are dust caps necessary?

Even though you will be fine to drive with a missing air valve cap, we recommend

replacing it when

you get the chance so that you can keep dust and debris out of your tires. … Metal caps can corrode over time and fuse to the stem, and removing it will become extremely difficult when you need to refill your tires.

Is dust bad for speakers?


Dust is probably the number one enemy of loudspeakers

. … Dust pads, dry cloths, air canisters and vacuum cleaners are all safe to use on your loudspeakers, just try not to damage the cone drivers or tweeter. Don’t use any kind of liquids on your speakers.

Does dented speaker affect sound?


The dent doesn’t actually affect the speaker’s performance

but rather it becomes eyesore, dents make speakers look ugly.

How do you fix a pushed Tweeter?

Can we all agree to stop posting this crap in speaker ads? Your toddlers poking at your speakers with a crayon, lego, toy hammer, etc. most certainly affects the sound and you should expect to take a financial hit because of it.

What is the best glue for speaker repair?


BC-1 black rubber cement

attaches paper, plastic, and metal dust caps to most speaker cones, and is also handy for gluing spiders, surrounds, and gaskets to speaker frames.

How do you clean speaker coils?

Remove the dustcap or center dome, and insert a

piece of tape

in between the inside of the voice coil former and the magnet pole piece. You must inch it down the former a small amount at a time and then rotate 360 degrees to try to get the loose dirt to attach to the tape. Gently remove and try again.

How do you fix a tear in a speaker?

Usually,

it’s impractical to repair a blown speaker

, as repairs can often cost more than replacements, but whether you had a car or home speaker fail on you, there are many viable replacements.

Jasmine Sibley
Author
Jasmine Sibley
Jasmine is a DIY enthusiast with a passion for crafting and design. She has written several blog posts on crafting and has been featured in various DIY websites. Jasmine's expertise in sewing, knitting, and woodworking will help you create beautiful and unique projects.