Switchcraft Type 12B Stereo Input Jack 1/4" (4 Pack)

The Switchcraft Type 12B is a professional-grade 1/4-inch stereo input jack that has been an industry staple in audio equipment manufacturing and repair for decades. Each jack features a three-conductor (tip, ring, sleeve) design with a double open circuit configuration, meaning both the tip and ring contacts break the circuit when no plug is inserted. This makes it ideal for normalling applications in mixers, patch bays, and signal routing systems where the default signal path needs to change based on whether a cable is connected.

Built entirely from metal with robust contact springs, the Type 12B is engineered to endure thousands of insertion cycles without degradation in signal quality or mechanical feel. The solder-lug terminals provide a secure, permanent connection when properly soldered, and the included bushing and nut allow clean panel mounting in amplifiers, effects pedals, preamps, and custom rack units. This 4-pack is a practical purchase for builders assembling new equipment, technicians maintaining studio or live sound gear, or hobbyists who want genuine Switchcraft quality in their DIY audio projects.