ECC81 / 12AT7 trio mix, your purchase will contain QTY: 3 tubes
Tube 1 - Penta Labs 12AT7, China
Tube 2 - Jan Philips 12AT7, USA, original box
Tube 3 - Golden Dragon 12AT7, Foil Getter, rare Beijing factory
All tubes are brand new, and ready to go. Add a mix to your collection today.  Enjoy!