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Review on πŸ’‘ Brighten your Indoor Space with Philips 415398 Indoor 40 Watt Intermediate Bulb by Max Stallworth

Revainrating 3 out of 5

The 40 watt Phillips 415398 is more like a narrow thread display has an E17 intermediate socket and an R14 shape

a 17mm 1. R14 is a 1.75 inch reflector. Warm 2800K. Rated voltage 120V. Dimmable: Yes; Hours Per Day CHINA Price Paid as of May 2020 $1.85 Fill light but not bright enough for a work lamp and not the best choice for a high intensity replacement tensor lamp. It only puts out 250 lumens, which is extremely inefficient for a 40W power draw. I use this in a gooseneck lamp in the bedroom. It's style is easier on the eyes when the lamp is in sight. At 110 volts it's pretty dark. Only at voltages above 125 V do they begin to emit usable work light. The mains voltage has a significant influence on the color temperature and intensity. Most of the energy is wasted generating a significant amount of heat, but that makes them suitable for small thermoset projects. I've been using R14 for decades. The quality isn't what it used to be. They should have brass threads to dissipate heat and prevent sticking, but they don't. Most likely you are buying these incandescent bulbs because they find LEDs unacceptable or require unlimited dimming. Alternative: FEIT 40W, two units #BP40511N/2. Philippines. Clear S11 spherical shape with high intensity. They are lighter, cheaper, but still of mediocre quality. They are very dimmable with a nice filament to use your table lamp as a night light.

Pros
  • Excellent overall performance
Cons
  • Doubt it