Did you ever think it burdensome to see the light keep glowing after it is turned off? The ghosting problems happen because not every pinball gaming machine could entirely erase the input current when the power is off. This extra voltage wasn’t a problem for incandescent bulbs, because it need a lot of voltage to start getting bright. However, LEDs can turn on and off instantly with less voltage.
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Bulbs keep flickering(growing). Why?
The flickering(growing) happens to the general bulbs when the given voltage is not stable, up and down —mostly due to the voltage instability. We recommend the voltage to be as stable at 6.3V as possible from the machine. However, our LED bulbs wouldn’t flicker or grows with power off if there is a slight change in voltage.
Figure 1 : LED bulbs with growing and flickering issue / courtesy: Wayne Schmidt
The bulb started dimming right after power off is due to the current keep inputted to the bulb. To solve this, the bulb with resistor built in is crucial. So that, we offer non-ghosting bulb.
The Non-ghosting Bulb
One of our non-ghosting bulbs is 4 SMD LED bendable with bayonet (BA9S) and T10 (#44 #47) bulbs. Here comes with
Let's compare our LED with others!
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Others |
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| Chip | Certificate-based, safe LED chip | Miscellaneous, unsafe LED chip |
| Anti ghosting | Yes, with resistor built-in |
Uncertain, just hit and miss |
| Durability |
Great— 5,000 hr of testing |
Uncertain—lack of testing |
| Lighting Color | Well-calibrated / no error | Mostly not calibrated |
| Warranty | Yes | No |
PA LED bulbs are offered to pinball players all around the world, especially USA and Europe, with the stable quality, significant certificates and variable specification (LED chip, color, input voltage and etc.).
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