A190605TG Gold Crown Medium Base Bulb

Name: Gold Crown Medium Base Bulb A19 5W Dimmable
Model: A19-5W Gold Crown Medium Base Bulb
LED: 6 pieces 38mm Sapphire Led Filament
Size: Dia.60 x 108mm Length
Glass Design: Standard A19(A60) Globe
Wattage: 5W (5KW/1000Hours)
Voltage: 100-130V / 220-240V
Lumen: 400lm/2200K; 550lm/2700K
Color Temperature: 2200K / 2700K
Lamp Base: E26/E27/B22 Nickel Brass Plated Medium Base
Glass: High hardness glass, helium filled
Glass Color: Crown Gold
CRI: Ra>90
Dimmable: Multi-IC, non-flickering linear smooth soft dimmable
Warranty: 20000Hours
Single Package size: 65x 65 x 125mm

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1. This is a standard vintage A19(A60) globe gold crown medium base bulb, there is 6pcs 38mm filament led inside the gold crown globe, under the gold crown area. 6pcs 38mm filament led is 5W rated, can reach 6W at maximum. This crown gold color is a little grey, we also call it a little light gold color. Because different people has different preference, the crown gold color is made by electroplating, different production has a little different color, that is why crown gold color has several different color versions. However, if customer has one color requirement, the crown gold color is always same among different production batches.
2. Gold crown medium base bulb has 2 colors for the crown part, outside is gold color, inside is silver color. Gold color is for crown gold, silver color is for reflecting. When we make gold crown medium base bulb, we make silver coating first, and then make one layer of gold coating over the outside of the silver coating, so it is two times electroplating process.
3. For all reflecting bulbs, including gold crown medium base bulbs and silver crown mirror globes, the filament should not be out of the crown area, otherwise the reflecting of the light is not good. That is why most of the cap reflecting bulbs has the filament led same level as the reflecting part, and hide most of the led filament inside the cap reflecting area. However, for this small size A19 gold crown medium base bulb, if the gold crown coating area covers all the led filament, then the coating area is too much, almost reaches to lamp cap, so usually for small size gold crown medium base bulb, some part of the led filament is outside of the coating area.


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