12AX7 Mullard Long Plate Valve Tube, MC1 B6K Code Used Tested (89)
£280.00
Old Mullard logo
British made
Long ladder anodes
Double bar D getter
Made at the Blackburn factory
Factory code: MC1 B6K
Test results:
A1- 1.75ma 2.1gm
A2- 1.8ma 2.15gm
Test as new
Supplied in plain white box
Brand:Mullard