Q I enjoyed your recent column on vintage audio equipment. I have a pair of ESS AMT-1C speakers with Heil Air Motion Transformer drivers. I have owned them since the 1970s and totally enjoy them. How ...

Q. I enjoyed your recent column on vintage audio equipment. I have a pair of ESS AMT 1C speakers with Heil Air Motion Transformer drivers. I have owned them since the 1970s and totally enjoy them. How ...

The HEDDphone Two features a new carbon fiber headband, redesigned ear pads and new AMT driver and is available for pre-order now. Berlin-based, HEDD Audio charmed the pants off of the Head-Fi ...

Full range sound from bookshelf speakers? Check out the new Radiant Acoustics CLARITY 6.2 and 4.2 loudspeakers featuring PURIFI USHINDI woofers and custom AMT tweeters in an innovative cabinet design.

Tweeters play a crucial role in speaker performance, handling high frequencies that bring clarity, detail, and dimension to ...

RBH Sound's 55-ir LCR speaker ($1,600/pair) packs a big punch from a reasonable size. Two beefy 5.25" woofers and an AMT tweeter in a dual ported cabinet make this a wildly dynamic bookshelf speaker!

Tweeters play a crucial role in speaker performance, handling high frequencies that bring clarity, detail, and dimension to music and movies. While all tweeters are designed to reproduce treble, the ...