A 4-input, 2-output Class A tube preamplifier built around a 6H3N tube stage paired with a 5332 op-amp, giving you tube-warmed gain staging with the flexibility to switch between multiple sources. A solid option for anyone building a hi-fi system around vintage speakers and wants a preamp stage with real tube character rather than a fully solid-state chain.
Useful both as a finished unit for a listening setup and as a reference design for tube-circuit builders wanting to study a working Class A preamp topology. Pair with our vacuum tubes and sockets if you want to experiment with tube rolling.
