<p>The 5654W is a brand new tube. The sound is all-round soft, delicate, and noisy. The tubes are precisely matched.</p> <p>Substitute for 7-pin 6AK5\/6AK5W\/6Zh1P\/6J1\/6J1P tubes. It can also directly replace WE-403A\/403B\/EF95 and ordinary 5654. In addition, it can upgrade the sound of 6J2\/6J3\/6J4\/6J5.</p> <p>Note:Replacing the wrong type of tube may damage your amplifier. If you are not sure this 5645W can be used as a replacement for your audio device, please check with your amplifier manufacturer.</p> <p>It has a fuller, sound stage. The treble is smoother and bass is a little bit tighter. And you can hear some details that you not hear before while more complex music.</p> <p>For replace 7-pin 6AK5\/6AK5W\/6Zh1P\/6J1\/6J1P tubes.</p> <p>Best for using to replace the vacuum tubes used in our P1, P2, P3, T20, BOX X2. Get better sound quality.</p> <p>Colour:transparent</p> <p>Material:Glass + Electronic Accessories</p> <p>Size:45 x 18mm</p> <p>Package Contents:</p> <p>2 x JAN-5654W Vacuum Tube</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>