CES 2012 – Franco Serblin Ktema, Air Tight, Transrotor


I visited this room twice, the second time with Neli.

Franco Serblin was speaker designer at Sonus Faber and is now designing his own line speakers.

The first time I heard the just the Ktema speakers. The room seating was setup very strangely [see below. one seat in the sweet spot and one couch perched sideways, usually blocking access to the area behind the sweet spot. This made seating for 3 people, 2 of which were facing sideways to the system, one of which had their view and hearing blocked], making it very hard to listen w/o standing up, usually in front of someone else. So it was crowded. I did manage to force my way into the back and take the photo below.

The Ktema speakers sounded good, but I could not decide, in the time I had there, if it was the old Sonus Faber ‘sweetness with balls’ sound, the later Sonus Faber ‘sweet and polite’ sound, or something new. So I wanted to get back there. This was about 10am on the 2nd day.

When we did get back there, the last hour or so on the last day, it was mostly empty except for some German guy from Axiss, I think, who chatted up Neli for a half-hour or so – which gave me a long time to listen – this time to the Franco Serblin ACCORDO monitor speakers.

The Accordo speakers sound quite full, and I was surprised, when I got up close to take photos, that these were playing and not the Ktema. Neli didn’t believe me so SHE had to walk to the front too. These days this shouldn’t be all that surprising – many monitor speakers are sounding more full-range these days – but compared to the old Sonus Faber Electa and Extrema [we’ve lived with both], these give one more a feeling of full-range satisfaction.

Albert Porter wandered in and when I asked him what he thought of these, I think he was surprised that it was the monitors playing too – but overall he thought he did not like this kind of harmonic presentation. I never could find out what he meant. The Air Tight sound does have somewhat dull-sounding harmonics – but the monoblocks drove the speakers well, and the harmonics were even top to bottom and in good proportion to each other. And the tonality was close-enough to real that any differences did not bother me – and I am pretty sensitive to atonal sound, though I do not have ‘perfect pitch’ or anything. When we ended up in the Robert Lighton / Audio Note room, the harmonic colors were certainly more vivid – like the difference between, say, colors on a day when it is very humid and a day where the sun is bright with no humidity [I was going to say the different between the color of flowers on a cloudy day versus a sunny day – but think that is a little too stark. It is somewhere in-between these two lousy metaphors].

I think these speakers, now, are a cross between the old ‘ballsy’ Sonus Faber and the sweet and lovely detailed Sonus Faber designs, taking the best from both. I think these walk the middle line of having a good deal of pep but at the same time being more linear and well-behaved. Some a good amount of resolution, but not really focusing on it as intensely as, say, the Guarneri is.

That said, I would love to be able to hear these on an amp that is more likely to be used with these guys. Have no idea how hard they are to drive – Sonus Faber was all over the place [the Lamm ML2 18n watt SET works great on the Stradivarius, and nothing in this galaxy can truly drive the Extremas]. I can say that this was the best I have heard Air Tight sound.

Took a lot of photos, being there twice and all. The speakers, especially the Ktema, is strangely hard to photograph and not all that photogenic while still being quite fun to look at all the same.


We see here the crazy seating here in this room.


A more quiet time.


The only two Franco Serblin speakers at this point, the Ktema and Accordo.


The Franco Serblin Ktema ‘Proscenium’ loudspeaker [most people seem to drop the ‘Proscenium’].


The Franco Serblin Ktema loudspeaker


The Franco Serblin Ktema loudspeaker


The Franco Serblin loudspeakers


The Franco Serblin loudspeakers


The Franco Serblin Ktema loudspeaker


The Franco Serblin Ktema loudspeaker bottom, spikes


The Franco Serblin Ktema loudspeaker directly from the front, easy to see what the front really looks like.


The Franco Serblin Accordo monitor loudspeaker


The Franco Serblin Accordo monitor loudspeaker


Franco Serblin’s Accordo monitor loudspeaker


Franco Serblin’s Accordo monitor loudspeaker


Franco Serblin’s Accordo monitor loudspeaker


Franco Serblin’s Accordo monitor loudspeaker. The monitor speaker is rear ported.


Franco Serblin’s Accordo monitor loudspeaker closeup. Looks like it is signed by Franco Serblin on the top there, and you can see how the ‘strings’ are threaded to make the speaker front ‘cover’.


Franco Serblin’s Accordo monitor loudspeaker


Franco Serblin’s Accordo monitor loudspeaker directly from the front, makes it easier to see the drivers.


Air Tight ATM 3011 monoblock amplifier


Air Tight ATM 3011 monoblock amplifier


Air Tight ATM 3011 monoblock amplifier


Air Tight ATM 3011 monoblock amplifier


Air Tight ATM 300 amplifier


Air Tight ATC 2 preamplifier


Air Tight ATC 2 preamplifier


Accuphase DD6000 CD player


Several Transrotor turntables were on static display. This is the Transrotor ‘Fat Bob’ Plus TMD turntable


Transrotor ‘Fat Bob’ Plus TMD turntable


Transrotor Dark Star Reference turntable


Transrotor Dark Star Reference turntable


Transrotor Zet 3 turntable


Transrotor Zet 3 turntable


Unknown Transrotor turntable


Unknown Transrotor turntable


Air Tight PC-1 Supreme cartridfge


Air Tight PC-1 Supreme cartridfge

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I had forgotten I stopped by here in the middle of the 2nd day – and shot the backs of the speakers and the particular turntable they were using.


The rear of the Franco Serblin Ktema speaker


Rear of the Franco Serblin ‘Accordo’ monitor speaker. Looks like there is a second port near the bottom of the speaker that is covered/stuffed with something.


Rears of the Ktema and Accordo loudspeakers


The TAOC equipment rack in this room [the platforms look like those from Finite Elemente but the support structure does not. See comments]


The Transrotor Fat Bob turntable being played here sometimes


The Transrotor Fat Bob turntable