Great sounding tube for low-gain applications. Low noise
Tubes are handpicked from balanced inventory
Triodes are balanced within 3% for both gain and transconductance
Test readings will be hand written on factory box
Tube will be wrapped in bubble wrap to ensure a safe delivery
The Electro Harmonix 12AU7 is a premium quality low gain preamp tube that is great for low noise applications. This tube is great for the driver position in amplifiers and provides an excellent and detailed soundstage that is impressive.