This is a set of factory Quad matched Realistic 35Z5GT Vintage Vacuum Tubes NOS NIB - Opened but never used in their original packaging. These are high-quality NOS (New Old Stock) tubes from Realistic lifetime. The 35Z5GT model is a great choice for vintage audio and video equipment.

These tubes are quad matched, meaning all four tubes have been tested and matched to work together to deliver optimal performance. They come in their original packaging (NIB) and are ready to be installed in your vintage equipment. If you're looking for authentic vintage tubes to bring your equipment back to life, these Realistic 35Z5GT tubes are a must-have.