The Tannoys would have been the end of the journey for me but issues with matching the HF units of the Reds made it impossible for me to live with them on a long term basis, so eventually they went.
Initially I had aspirations of building a 3 way horn system around the GRF cabinets, but I realised I actually wanted to be able to enjoy listening again rather than dealing with mis-aligned drivers/building cross overs, so when the opportunity came to try some modern dual concentrics I thought it was worth a try.
Enter Trenner and Friedl with their RA units.
Somewhat different to the Tannoys I had as they actually have a wave guide for the HF unit so are like a cross between a Tannoy and a Altec 604 unit. They are also 12 drive units (rather than the 15s) and the cabinets are of a significantly smaller volume than the GRFs.
Firstly they weren’t faulty. No weird imaging or resonance issues (which I had with the Tannoys) They are more neutral/less coloured and work far better at lower volume than the Tannoys had. Being a ported box similar to the Lockwoods I hadn’t actually lost any bass extension…
However some of what the Tannoys did, they don’t do so well. The dynamic impact is less (most likely due to the change in driver size) and I think they aren’t quite so revealing. Also I had got used to the horn loading from the GRFs which coupled with my room quite well to give a more 3D image than I got from a ported box.
Originally Posted by Mike Adams
The Tannoys would have been the end of the journey for me but issues with matching the HF units of the Reds made it impossible for me to live with them on a long term basis, so eventually they went.
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