Low Noise 6922s balanced for your RM-9 MK1 and MK2.
These are the Sovtek 6922's from Russia and are a direct replacement for the 6DJ8. The 6922's are lower in noise and microphonics.
Our Low Noise tubes are a superior tube especially tested for today’s quality line stages. Only 30% of the tubes we test perform well enough to be considered Low Noise.