Hi Simon, yes, thanks for chiming in. I already found the information from 1991 onwards (every two years).
The newest report being for 2019-2020. Five manufacturers sent in 28 guitars. Only of two manufacturers (Granada and La Mancha) got through the test with one or more of the sent in models being recommended. Have a look at: http://www.egta-d.de/page/media/pdf/Art ... 9-2020.pdf
I think it's relevant that according to the report the sent in guitars have improved in the course of time.
For the competition of 2017-2018, three manufacturers sent in guitars and only two got through (La Mancha and Hellweg).
For the competition of 2015-2016, two manufacturers sent in guitars and only one got through (La Mancha)
For the competition of 2013-2014, four manufacturers sent in guitars and trhee got through (La Mancha,, Hopf and Artesano)
For the competition of 2011-2012, four manufacturers sent in guitars and two got through (La Mancha and Hellweg)
For the competition of 2010-2011, six manufacturers sent in guitars and two got through (Hellweg and Höfner)
For the results of a list of EGTA-competitions, have a look at: http://www.egta-d.de/page/gitarrenbauwettbewerb.html
By the way, I feel very fortunate to be able to read German, but I guess Google Translate nowadays can get everybody a more or less understandable translation into one's mother tongue.
I guess one of the requirements for the competition would be that the guitars must be cheap. The most expensive one costs just about 320 euro. Even now that I know that these La Mancha's are built in China, I still have a problem to believe this could be really decent guitars for this price. I guess they provide great value for money for starting guitar pupils.
Neither of the winning guitars is all solid, though. The better ones do have a solid soundboard, but no solid back and sides. Perhaps this would not be audible anyway for guitars with a signifcantly smaller body. I listened to some soundclips at the big German T. music shop (the one that ends with ...mann). My own all solid 63 cm scale guitar sounds much fuller and richer than these entry level guitars, but perhaps it may also have something to do with soundclips perhaps being playedn by people who usually play acoustic guitar instead of classical guitar . Or perhaps it has something to do with the recording equipment. Or perhaps I just need to understand that I need to find a balance between playability and sound.
By the way, the EGTA was significantly more enthousiastic about the sound of the 63 scale La Mancha Guitars than of the 59 scale La Mancha Guitars. But then, I alreay have a fine guitar with a 63 cm scale.