The Sovtek 12AX7LPS is a relatively new variant of the ECC83 type. It is quite a different construction to the other Sovtek types. It is a long plate valve. The Sovtek 12AX7LPS has larger plates inside and they have a very smooth tone across all frequency ranges. Just right for blues and Jazz in my mind. many amps use this valve as the phase splitter. it is not recommended for the V1 position in a combo amp because the longer plate designs tend to be more microphonic
The lowest microphonics valve for the V1 position is the Sovtek 12AX7WC
The Supermatch version is a balanced version and comes with a test certificate showing the test results.
We do test every pre-amp valve which we sell for your piece of mind.
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