12AX7LPS Sovtek Par ECC83 12ax7 ECC 83 REZERVISANO

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Long ribbed, welded anodes. Thick ring getter.

Odlicne, testirane sa 250V na anodama i -1.5V na resetkama: (2.9/2.9) (2.9/2.7) mA.  

2.15mA = 100%

The Sovtek 12AX7-LPS an entirely new design from Sovtek and a great step up in sound quality. They have very large ribbed plates and great sound reproduction. I found them very smooth and well balanced in terms of bass, mids and treble response. The large plates make them more prone to microphonics and in combo amps, so they can be a problem if you like to run things wide open. It is still the best thing Sovtek has produced in a 12AX7, with very good gain and low noise.

I would advise against using them in compact high-powered combo amps where they will be subjected to lots of vibration. One other note about the construction of these tubes is they have filaments that are almost completely encased in the plate structure. They often don’t “ light up” when working properly. This is not a problem, it’s normal for the LPS.