Purity Audio Design Master Reference 300B/6SN7 Preamplifier

Purity Audio Design Master Reference 300B/6SN7 linestage.
We are currently offering only one Master Series Reference preamp built into our MK3 chassis.
The new Master Reference is based on the Reference 6SN7 circuit with a 300B input stage.
Information can be found on our website.
Remember, ONLY ONE will be built in this chassis and under the Purity Audio Design umbrella.


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