6K4 Preamp Vacuum Tube, for 6AK5/6AK5W/6Zh1P/6J1/6J1P/EF95 Pairing Tube, Amplifier DIY Preamp Vacuum Tube,2PCS

Mounting Type | Surface Mount
Number of Channels | 2
Package Type Name | Small padded envelope
(2PCS tested and matched 6K4 Vacuum Tubes)Each package contains a pair of fully tested and matched 6K4 Vacuum Tubes.
(High compatibility)Replacement for 7-pin 5654/6AK5/6AK5W/6Zh1P/6J1/6J1P tubes. It can directly replace WE-403A/403B/EF95 and ordinary 5654. And can be used for the device that comes with 6J2/6J3/6J4/6J5/6K5 as a replacement.
(Music enjoyment)These 6K4 tubes show you the difference in natural voice reproduction and simple musical. They sound more clear with an emphasis on clarity, larger soundstage, and bass response is more noticeable. Hear the difference, enjoy your music.
(HiFi sound)High reliability and stability. HiFi and soft sound, low noise.
(Soft and smooth)It is fuller, wider soundstage. The treble is smoother and bass is clearer and more pronounced while more complex music was more defined.