Having heard all that, yes its colour temperature, but it can also be the
frequency variation within that range that affects some people. If either of
you have the beginnings of a cataract, for example some bulbs will make the
room look lacking in contrast.
Brian

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The Sofa of Brian Gaff...

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"Jeff Layman" wrote in message
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On 17/04/2021 22:27, JohnP wrote:
We have a central ceiling light fitting with 5 x G9 lampholders.

I have had 40watt halogen G9s in but want to change to LED.

The first set (5watt)I got didn't like the dimmer so I bought a Trailing
Edge Dimmer. I decided they were not bright enough so I bought some more
that claim to have higher lumens. Now wife is saying the room looks dull.

Are Lumens to be believed? About to swop the 8 watt ones for a third set.

Any suggestions?

The Halogens claimed to be 460 Lumens.

The 8 watt LEDs claim 550 Lumens.

I am considering some that claim to be 720 lumens. Is it to be believed?

Any suggestions?

I changed my 42W G9 halogen to leds several years ago. IME G9 leds have
nowhere near the lumen output they say they have. I've increased the
"wattage" but with very little increase in light output. I've also had to
replace four of the eight leds as they have burnt out or several of the
individual leds in the "cob" have failed.

Remember too that light fittings designed for G9 halogens will probably be
unsuitable for G9 leds if they - more-or-less - point down, and have no
ventilation for the heat building up around the led's base to escape.

In the long run you'd be better off changing the central fitting to
something designed for use with leds, preferably with an ES or MES
fitting.

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Jeff