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Product Name: AD828 op amp front amplifier
Product model: 005231
Chip model: AD828
Audio input: onboard interface
Working voltage: 5V-15V
Product size: 33mm* 25mm
Magnification adjustment:
R7
and R5 are the magnification setting resistance (the default
magnification is about 5 times for delivery, and the magnification can
be changed according to your own needs. The resistance can be selected
from 5k-47k. The greater the resistance, the higher the magnification.
If the plug-in resistance is used, the original patch resistance can be
removed and the plug-in resistance can be welded on the reserved pads at
both ends of the patch position)