497 In stock
IWISTAO 1pc Driver Board and 2pc VU Meters Input AC/DC 9-15V for Tube Amplifier
Model No: WVU-Driver03-I
This is the third generation VU meter driver board, more mature than the previous generation and second-generation products. Further reduce the size of circuit boards, a small space to facilitate installation. Replaced Tos hiba 7318 IC perfect driver board, improving the 7318 drive two shortcomings: a small plate pointer swings, and smaller sensitivity is adjustable.
Using 7812 regulator IC, its input voltage can be 9-15V.
Its appearance is smaller by used SMD technology, designed power and driver module separately to prevent further interference.
Apply for all VU meter in our store. If you want to use it for other VU meter that is not sold by us, please consult the seller before buying.
Product Specifications of VU Meter
1. Measuring range: 0--500UA 10%
2. Inner resistance: 650 10%
3. Accuracy: 5%
4. Approved Location: full scale 500UA
5. Bulb Voltage: AC/ DC 6-12V
To extend the life of the backlight bulbs, you can use the following methods:
1. In the backlight brightness to meet the requirements under the conditions of lower operating voltage, it can significantly prolong life.
2. AC power supply 10 ~ 12V, 10 ohms to 50 ohms in series limiting resistor, reducing the impact on the filament boot.
3. The following diagram is the effect AC 10V.
The Effect for Fixing on 300B Tube Amplifier
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