What You need To know

What’s a 6P1 valve?

The 6P1 is a miniaturised triode valve that uses vacuum fluorescent display technology, which was adapted by Korg and Noritake Itron for audio use. A VFD is basically a triode valve with a cathode, anode and control grid.

And a class D power amp?

Class D refers to an amp that uses Pulse Width Modulation, where the output devices are used as switches rather than linear gain amps. Class D designs make it possible to squeeze lots of watts from very small circuits.

And they have ported cabinets…

Yes, either with a carefully sized and positioned hole or slot. Porting controls the air inside a cab to maximise the loudspeaker’s efficiency and modify the enclosure’s frequency response for better dispersion, long-range throw and increased bass response.