NE5532 AD828 preamplifier circuit board DC7-24V AC5-16V Single power supply amplifier preamp module

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a00096-1
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$21.00
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NE5532
AD828
$21.00
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If you feel that the default magnification is not suitable, you can change the magnification by yourself. The operation is as follows: 

 

 Adjustment of magnification: R7, R5 are magnification setting resistors (the default is about 5 times magnification in delivery, you can change the magnification according to your own needs, the resistance can be selected from 5k-100k, the larger the resistance, the higher the magnification, if It is a plug-in resistor, you can remove the original chip resistor, and solder the plug-in resistor on the pads reserved at both ends of the patch position)


 


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How to choose the correct size:

Step 1 Please measure your foot length carefully.

Step 2 Please choose the correct size according to your foot length and chinese size.

For example, If your foot length is 255 mm , you should choose the size 8.

Step 3 If you\'re not sure of the correct size, you can click chat with us!

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NE5532 AD828 preamplifier circuit board DC7-24V AC5-16V Single power supply amplifier preamp module
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