When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Why you can trust What Hi-Fi? Our expert team reviews products in dedicated test rooms, to help ...

Denon is showing off this update to 1993’s S1 amplifier, dubbed the PMA-SA1 (the ‘S’ is for ‘Sensitive’). The amp is a 30kg metal shelf-monster that Denon claims can stand up to the best tube amps ...