This forms the basis of [Ratti3]’s amplifier, but with the added interest of a battery supply and a Bluetooth connection. The tube circuit is a very conventional anode follower using an EF95 ...

For the electronics enthusiast a tube audio amplifier makes for an interesting ... The modern features come via a switched Bluetooth input and a motorized volume control, something that would ...

At $1,499, the Rotel DX-5 is a compact sized 25-watt per channel stereo integrated amplifier with Bluetooth, HDMI-ARC and Roon. It has a similar exterior look as the DX-3, but the DX-5’s sleek cabinet ...