For sale a pair of Lundahl LL1689 SE 30mA transformers in good working and cosmetical condition.Iv used this first in my mosfet follower amp with 6n6p driver stage and on the end in my tube pre with 6h30pi for output transformer with verry good sound.Price would be 200eu including shipping inside EU with insurance and track.This are 30mA ordered models,so you can use this with tubes that have higher bias like 4p1l,6h6p......
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Sorry no data,maybe you can ask Lundahl for this.I buyed this on sugestions from Ale moglia for 4p1l line stage output to become as low output impedance as posibile😉