I'd second this - the Katans are a superb pair of speakers and the Aktiv upgrade is little short of astonishing.

One LK140 gone - one still available Aktiv cards still available. I did have a question via PM about whether the broken LK140s I'd bought for a case transplant were available, but I can't reply via PM...

Hi First post and it's a "for sale", hope I'm not breaking any rules. I've recently downsized my Linn solution to a Kiko, so have two LK140 power amps for sale. Can provide photos on request, these ar...