It’s a conventional tube amplifier circuit in which the triode is a preamplifier for the pentode power output stage. The pentode is running in class A mode, and the high impedance of its output ...

TEAC is well known for its high-end audio equipment ... a Reference 500 series compact stereo power amplifier with Hypex NCOREx TEAC custom module. Here’s what the press release had to say ...

The stereo power amp features a fully balanced circuit and boasts TEAC's proprietary 'dual-mono ... mono modes, depending on your audio set up at home. It delivers a claimed power output of 70 watts ...