Vacuum Tube Preamplifier NFJ Original Model FX-AUDIO- [Black] (Line Amplifier) TUBE-01J

[Awarded Best Buy in 2018 by a consumer electronics review magazine] [Genuine Product] *Beware of imitations. Military-grade tubes were used as standard included vacuum tubes. Features a gain setting switch and an enhanced power supply stabilization circuit. AC adapter required (sold separately) DC12V/1A DC jack 5.5mm x 2.1mm (center positive)