what size lightbulb is this?

Nightglow said:
Could also be a MR11 lamp, job to tell from pic, but both are 12v.

Depends on the diameter MR16 is 50mm of diameter and the MR11 is 35mm.
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Do you mean the diameter of the actual light bit.....if so its 50mm so much be MR16.

There is a lot of talk of transformers and drivers which I know nothing about. I am looking to replace the bulbs with some LED ones, can I just buy any or do I need to be careful?
 
So I bought one and plugged it in. It doesn't look as bright. I realised I bought one which had a different beam angle. I bought one that was 120* whereas the non led ones I had were 36*.

Before I invest in some 36* ones, could this actually be due to this transformer thingy?
 
Nightglow said:
Depends on the wattage of the existing transformer, if you had all the other MR16 lamps on, then you might have enough load on the system for the led version to work correctly.
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Any idea how I would find this information?

So just so I am reading correctly, it is perfectly plausible that the LED isn't as bright as it should be?
 
So the bulb I got is apparently 3000k (according to the box) but it doesn't look like a normal bulb colour.

Apparently I should get 2700k but I can't find any MR16 2700k LED bulbs anywhere - do they not exist yet?
 
OK. So I am happy with my setup of LED lights that I have started to replace the others.

Most of the other lights in my flat use the same socket type. I've tried one of my existing LEDs and it briefly switches on, then switches off again. I assume this is the "driver" issue that has been mentioned. What do I need to buy?
 
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