Competely New Old Stock !
The 6189W JAN Philips is a premium grade 12AU7 that was ruggedized for reliable operation in military/industrial mobile, shipboard, and aviation communications equipment. This tube is characterized by reduced microphonics, excellent linearity, and long life. It is a top choice for any audio application requiring 12AU7 tubes.
$15.99 each single tubes + shipping cost, many available.
Buyer pays actual shipping cost via US postal service, many availalable, all products carry 90 days factory warranty, PayPal and credit cards add 3% fee, emails to firstname.lastname@example.org or Tel: 1-626-262-3607. thanks !