12AU7 / GB-5814A SYLVANIA Gold Brand NOS
The SYLVANIA GB=Gold Brand 5814A is rated for 10,000 operating hours which is the highest quality level of vacuum tube production.
The 5814A is an excellent mil. grade audio-tube to upgrade any ECC82/ 12AU7
aka E82CC, 12AU7A, 6189) double triode
NOTE:
As NOS stocks change quickly the picture might show a tube of different brand unless the brand is defined in the description. We will always supply a tube of equivalent quality type make/brand/origin.
