298 In stock
IWISTAO 1 Pair VU Meter dB Level Meter 300B Tube Amplifier dB Header Tube amp No Including Driver Board
Model No: WVU-Driver03-N
1. Measuring range: 0--500UA 10%
2. Inner resistance: 650 10%
3. Accuracy: 5%
4. Approved Location: full scale 500UA
5. Bulb Voltage: AC DC6-12V
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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1. One year Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.2. Defective items MUST BE reported and returned within the warranty period (with the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY. You agree to all of the above-listed policies upon ordering on our store.