Presonus Firestudio TUBE... Is it truly tube (regular High Voltage design)? All pres pass through tube stage?

[777funk]

I like the idea of this. But curious to know if it's just a gimmick or actually what it's implying?

 

[Khron]

All pres pass through tube stage?

Well, no.

https://eu.presonus.com/products/firestudio-tube

• 2 front-panel mic/instrument inputs into SuperChannels, each featuring a vacuum-tube preamplifier with trim control, 80 Hz high-pass filter, and analog compressor/limiter with VCA-based, dual-domain RMS and peak-detection