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Amp Electronic Control Knob

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unit price: negotiable
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period for delivery: Consignment Deadline Days
area: Zhejiang
Expiry date : Long Effective
last update: 2019-07-26 15:46
view count: 216
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Amp Electronic Control Knob

Model no :1041(19*15)

Color : carious color

Amp Electronic Control Knob sharing

The knob is not an invention that changes the world, but it can do things that the keys can't do.

As a mechanical construction, we don’t know which device used the knob first. Maybe a telegraph machine in the last century? Or a oscilloscope? It may also be a radio or a TV later, which is naturally born on electronic devices like many buttons, and then gradually became popular as a part of the audio equipment, and has been used as a controller ever since.

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