6E2 Tube Preamplifier Audio Board VU Power Level Driver Volume Indication Bile Preamp Vacuum Tone Signal Diy Kits | Электроника

A 200K potentiometer is added to the PCB to make the opening and closing scales of the optical tape to facilitate the symmetry of the left and right channels.
A blue highlight LED is mounted under the 6E2 tube for a more beautiful and beautiful effect.
The 6E2 level PCB board is a double panel, and the components can be mounted on both sides for more flexible and easy installation.
Operating voltage: 180 V-250 V 8 mA, 6.3 V 0.3 A each group.
180 V-250 V is DC voltage, AC / DC6.3V.
Installation instructions:
The two 6.3 V terminals next to the connection can be connected to AC 6.3 V or DC 6.3 v. Connect DC 6.3 V to pay attention to positive and negative, otherwise the LED will not light.
HV and 0 V are respectively high voltage, 150 V-250 V, and must be DC. The HV is connected to the power supply. 0 V is grounded.
IN and ground symbol, which is the input signal terminal, IN is connected to the signal hot end, the middle terminal of the lotus terminal, and the red terminal of the speaker. Ground symbol connected to the cold end of the signal.
Colour: Blue
Material: Metal
Size: Approx. 7.3*3.8cm   Package Contents:
1 * set of 6E2A level indicator board
Only the above package content, other products are not included.   Note: Light shooting 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.