Sorry I missed this

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Any news on the x amp?
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Nothing I can report yet but I do have prototypes here

Here is a shot of prototype #1 powering a RS450 loudspeaker...

Yes, it is on a piece of wood. I did say it is a prototype

Anyway, the larger part is a custom designed power factor correction power supply and the small board is a 150 wpc amp. I have a new version of the PS coming this week (hopefully final version) and I have a new chip for the amp that should bump us up to around 200 wpc.
No ETA on these - we will release a date once we are a bit closer to completion.
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Was also curious if the integrated could be used with a tube pre amp or will it not have pre amp outs.
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Sorry, no pre outs. We would like to include full range and high passed speaker outs along with a line out for a sub and at least two inputs so we are out of room for pre outs

I guess you will have to get two of the x-amp monoblocks instead

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If not any ideas on the size of the monoblock Xs?
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ROUGH dims are 4.5" W x 2.5" H x 17" D
Hope that helps!