12V LED spots compatibity with old transfomer

[A100man]

I need to replace a bunch of 12V halogen spot lights (MR16/GU5.3 type)but since you can't get them anymore they now have LED versions.
BUT I read a review that these do not work well with the old (halogen) transformers - truth or myth?
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Now: A100, GT250A, XJ598, FZ750, SL1000

Then: Fizz, RS200, KL250, XJ550, Laverda Alpina, XJ600, FZS600, Skorpion

[Islander]

[ThunderGuts]

I'd replace; old-style transformers gobble energy anyway and with 12v you're limited your range of lamps to choose from. Go with new ones and you've got far more choice and will end up with a more efficient system.
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TG.

[A100man]

Thanks chaps

This is a stoopid 'bendy' fitting fixed to the walls of a hall way in about 4 places - it has an integral transformer feeding 5 spots no idea how old 10-20 years maybe..

.. i'll probably just end up ripping it out and fitting a pendant in that case.
____________________
Now: A100, GT250A, XJ598, FZ750, SL1000

Then: Fizz, RS200, KL250, XJ550, Laverda Alpina, XJ600, FZS600, Skorpion