Do these lights emit a slight humming sound? My parents bought some and they have a slight hum and the lights are "not" on a dimmer.
358325
I don't have any humming sound of any kind. I have 6 of them in my kitchen.
358326
I've been using these lamps since July 2013 and I have never noticed any kind of sound. I highly recommend these Philips bulbs and enjoy not having to climb my stepladder to change the old incadecent bulbs anymore.
358327
Haven't noticed a hum. We have 3 of them in our kitchen and, even when things are quiet and the lights are dimmed or all the way up, haven't noticed anything unusual. Wondering if you got a defective batch?
358328
We have quite a few of these installed in can lights in the ceiling and they don't make any noise. We have five can lights remaining downstairs to replace with these bulbs (ouch!). As with all LED bulbs, other than in lamps, I think you need a dimmer switch to get the brightness just right. They emit such a bright white light that there are times we need to tone it down a bit.
358329
I have 6 of them in my kitchen ceiling, and have never noticed a sound from them.
2199232
Hi there, out of the box they are not dimable. I bought a cord with a dimmer switch and pluged the lights into it. Now it works like a charm, I can dim them down really low at night now or really bright depending on the mood.
1303769
I have mine lights on a timer not sure about a dimmer. I haven't tried that. Love them tho
2225748
They are not dimmable. Tried about 10 different dimmers. You may get lucky enough to have them dim about half way but they will make an unacceptable and annoying humming sound. Do not purchase if you need to dim them.
1659595
No, they do not flicker (at least at full power - I don't have any on dimmers yet).
769145
Not dimmable as far as I know. I haven't tried using dimmers on them. My guess would be that they don't work like that. I'm sure you an find LEDs that do however. Good luck.
652477
I use mine in outside fixtures on a timer. So, they aren't actually dimmed, but the non-dimmable one's I used first failed after not much use. The dimmable ones have been working great, but I don't really dim them. I haven't experienced a buzzing sound on either the non-dimmable or dimmable bulbs, sorry.
1974497
They dim but not properly. I was told that you need a magnetic dimmer for them to dim properly which ieLite I have not tried yet
401818
None of my dimmers make any noticeable noise. Some incandescent bulbs can be noisy when dimmed, especially when first turned on. Buzzing at the switch can indicate a wiring issue or improper usage - driving a non-dimmable fluorescent or an inductive load like a fan with one of these could certainly cause noise, and is not recommended in any case.
1808280
I don't have a problem with humming, i have a problem with flickering and they don't dim nearly as far as other LED recessed bulbs I have - any one else seeing that?
2231416
I have 6 of these installed on a mud room cabinet. They don't make any noise. I would guess that any noise you are hearing is coming from your 12V power supply, otherwise known as the LED "driver". Try testing the lights by powering them with a 12V battery to see if the lights are making the noise or not. Good luck.
2029636
I have a track lighting system with an old, round dimmer knob. They work fine, but do not go down to the very dim light that old bulbs could go down to. I'd estimate they dim to about 25% of full strength, when old light bulbs I could get to dim down to about 2-5%. I do not hear any buzzing when I dim them.
967449
Not that I've noticed. I have numerous LED bulbs, and none of them buzz. If they do I would send them back.
445435
Margo - I have owned this toaster for a while and have never heard any type of humming noise. It may or may not be a problem. It could be the elements reacting like some light bulbs do when turned on and will hum. I wouldn't think though that this is normal.
1252859
Yes, I have four of these lights and noticed the clicking noise as well. They seem to click sporadically for a few minutes after they are turned on/off. It's not constant and goes away after a few minutes, but I am considering replacing the lights due to this issue.
352180
If dimmer is down, they will be off....mine also take a second or so to light, but that doesn't bother me knowing I'm really saving on electricity.
1808283
Mine work with any type of dimmer. No humming. I see that others have written reviews were they complain about buzzing. I haven't used one on a lamp next to a reading chair where I might notice a hum. I have them in ceiling cans with a dimmer switch. Never noticed a hum or any black spots on the bulb. I'm an mechanical engineer. Sorry, but LED bulbs don't hum when the voltage is reduced.