Joel Foust
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- Joined
- Jun 23, 2021
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Troels Gravesen’s “The Loudspeaker” TL-1. It’s not like huge horn or single driver kind of high efficiency but with a Hypex amp on the woofer it gets plenty loud on the top half with just a handful of watts. I go back and forth between a 300b amp (TU-8600R) and a Pass designed Aleph-j typically. I do have some much more powerful AB and class D amps that will drive it to ear bleeding levels too. I can now say I have a handle on what class A brings to the table but the feeling that I’m in an intimate jazz club or sitting in a live orchestra just isn’t there like it is with LX521’s…What are your current high efficiency speakers?
The rest of the system was and ADI-2 DAC with a Nutube B1 buffer when using the Aleph-J or AB amps. I’ve swapped the ADI-2 with the Zapco HDSP without much regret as my plans are to rebuild LX521 and also try to redesign the upper baffle with lower distortion drivers to compare against LX521. I know it sounds audacious but I’ve been designing my own speakers with great success for a long time and have spent years understanding open baffle loudspeaker design. Its going to be hard to improve upon but I think with improved driver technology and enough effort there is an opportunity to make something better. I’ve always used the Linkwitz open baffles as a reference and will continue to do so again