Weston Acoustics granite 6SN7 preamp
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14 October
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I was gob-smacked when I saw these last weekend. The latest creation from Earle Weston of Weston Acoustics. The monoblacks are 300B, the preamp uses a 6SN7 per channel. They sounded very nice driving a small pair of 3″ fullrange drivers in a transmission line type of cabinet.Read More →

Single-driver speakers with Tangband driver
30 September
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A friend of mine asked on an online forum about a new gym (for exercise classes) that has serious acoustical problems. the whole place rings like a bell … the “stage” where the instructor works is beset with reflected sound … the delays and sound reflections are such that the beats in any rhythm are seriously out of step with each other at different points in the room…. the instructors are having a really hard time staying on beat … My take on it is that the reverberation time is simply too high. While there are other issues, like speaker placement relative to the instructor,Read More →

miniDSP 2x4
25 September
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I have to say, I really like the little miniDSP unit. It fulfils a useful purpose, it’s easy to use, and it’s cheap to boot. It doesn’t pretend to be the ultimate anything – you plug it in, and it “just works.” Plain and simple, but also powerful. So, I’ve decided to write a series of tutorials on it, as I think that perhaps some well-written articles will help people cut through the (inevitable – it is DSP after all) jargon and see how they might use it for themselves. My first tutorial is now published on hifizine.com, it’s called “Subwoofer integration and equalization with theRead More →