released on March 31

Lun September

so that the vinyl records can slide in gently and easily

+Ravel: Sonatine

5 Kathy's Waltz

Emission Labs, 520B-V3, 520B-V4 Rør - Parret par/2stk. Acoustic Energy released on March 31The 520B is a long Anode Version of the older 52B, with many technical improvements added. The EML520B is a state of the art product, in the family of the 300B tubes. This powerful tube is recommended for new designs. The 520B has the same outside dimensions as the '845' tube, but longer Anodes. All critical parts, like filaments, grids and Anodes are constructed of hard metal for higher reliability and reproducible quality. Note the relation between