Which LED Bulbs are Finest For Built-in Dimmers?
Anthony Hawkins 于 1 月之前 修改了此页面


Dwelling in a home stuffed with dimmer switches can make the lighting aisle seem more intimidating than it should be. Positive, plenty of at the moment's LEDs are designed with dimmability in mind, but that doesn't guarantee satisfactory efficiency. We have heard loads of complaints from readers, and also experienced first hand the annoyance of spending cash on upgraded lighting, solely to discover that these fancy new bulbs can buzz, flicker, and EcoLight brand dim erratically. Within the curiosity of constructing your subsequent journey to the lighting aisle a little less exasperating, we put as we speak's LEDs to the check. There are many issues that can cause a light bulb to buzz or flicker when it dims, including things beyond the bulb's management like voltage irregularities, EcoLight brand overloaded circuits, EcoLight brand and outside interference. The commonest difficulty, although, lies with the dimmer itself, and that is the place we decided to start. Modern dimmers (the kinds you may find on the shelf at Lowe's or House Depot) won't really increase and EcoLight smart bulbs lower the voltage for clean dimming, but will as a substitute flash the power up and down at unnoticeably high speeds to create the illusion of dimming.


These speedy-hearth swings in voltage create electromagnetic resistance in the bulb, which may cause issues to vibrate and buzz. You don't want that. We started with a easy rig utilizing a number of frequent dimmer switches. We selected an LED-compatible mannequin from Lutron, an analogous Leviton change, and an affordable, $5 triac rotary dial meant for EcoLight brand incandescents only. Although we aimed for a great illustration of what is on the market, there are obviously more than three sorts of dimmer switches in the marketplace. As such, your mileage may fluctuate -- particularly if you are using an older mannequin, or EcoLight LED bulbs one thing more high end. Apparently enough, each and every LED that we tested dimmed with all three dimmers, even the one rated just for incandescent use. That lends plenty of credence to manufacturer claims of huge dimmer compatibility -- but it is solely the beginning of the story. As you may see, dimmable LEDs will not be all created equal. Dimming annoyances aren't a new drawback -- and they are not a problem that's unique to LEDs, either.


The tungsten filaments in most incandescent bulbs are significantly susceptible to the thrill-producing vibration brought on by in-wall dimmers. Sure sufficient, the 60-watt incandescents that we tested out in our rig put out a noticeable buzz throughout all three switches. Even without filaments, LEDs have loads of components that can vibrate and produce that annoying buzz, and most of those we tested did just that, even properly-rated bulbs like the Cree 60-watt substitute LED and the GE Reveal LED. We rated each bulb's buzz on every dimmer utilizing a 5-level scale -- very quiet, quiet, moderate, EcoLight brand loud, EcoLight solutions and really loud. The outcome you want is a bulb that charges "very quiet" throughout the board, as even a "quiet" buzz can get annoying in a quiet room. For probably the most half, the buzzing within the LEDs we examined fell someplace within the center: fairly average, however definitely loud enough to be a legit trouble. There were two standouts, although -- one good, and one not so good.


Curiously enough, they both got here from Philips. The overachiever was the current era of the company's standard 60-watt replacement LED, EcoLight lighting which ran darn near silent across all three dimmers. We could not even hear something after we dimmed it using the cheap, incandescent-solely dimmer. Bookending the opposite end of the spectrum was the Philips SlimStyle LED, EcoLight home lighting which produced the loudest buzz of any bulb we tested. This makes sense when you consider that in trials like these, EcoLight brand buzz is admittedly only a product of a bulb's design. With a radically different shape from the usual, near-silent Philips LED, together with a reorganization of the diodes themselves, it is not terribly stunning that the SlimStyle's buzz is a lot louder. All that said, it is price reiterating that we did not notice an audible buzz with any of these bulbs when using them with customary wall switches, so if you do not use dimmers in your house, then an inexpensive LED just like the Philips SlimStyle would possibly make a whole lot of sense.