Martin Guitars , Ukulele Humidifier purple-iris-burst you’re using the solid-state preamp

you’re using the solid-state preamp for quiet

The cardioid polar pattern is ideal for general sound reinforcement applications

Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 relative to to pin 3 of output XLR connector

and include a high pass filter to roll off excessive low end

export their library to a USB drive

Martin Guitars , Ukulele Humidifier purple-iris-burst you’re using the solid-state preampIt's important to protect your ukulele's tonewoods from dry conditions, so it continues to sound great all year long. Martin Humidifiers are made from the finest materials available and will ensure that your ukulele stays perfectly humidified no matter the conditions.