Thank you all for your kind words.

Chris,
I think the problem with the sound is that the start of each note overwhelms the recorder. The real thing sounds better than the recording.
I am planning to make another harp similar to this one but with a rounded back sound box. It feels like cheating to make 4 sides a top and bottom and glue them together. OK in wood but you can do better with composites. Now I have more of a feel for the materials I am sure I can give it a better finish as well.
This weighs 3.6Kg. 3.2Kg lighter than the wooden one. Not knowing how strong is strong enough, I have pretty certainly put too much Carbon fibre in places.

Brian.

Nice job Brian, it looks great and I think it sounds vastly superior to the wooden one!
The big bonus with making instruments in carbon fiber is that the voice is so much more powerful and loud.
Our violins and guitar both had this positive effect.
 Fred

To my ear, the Carbon Harp sounds brighter and has much more "sustain" on the strings than the wooden harp. Probably caused be a much stiffer frame.

(A friend and I built a couple of Carbon fibre reinforced electric Bass guitars back in the early 90'ies)  we used the parts from a few damaged instruments,, (pickups, e.t.c.)

They had a much "drier" sound with more sustain than any wooden bass.. I think that sound "fell out of fashion" in the 00'es 

"Sapere Aude"... Dare to KNOW!

The written word is the only truly efficient vehicle for transmitting a complex concept from mind to mind...

103% of all people do not understand statistics...

Do not adjust our mind, theres a fault in reality :-)