Lundahl Tube amplifier output transformer, LL2755

Tube amplifier output transformer LL2755 11k : 8 ohms (for 813 and similar tubes)

The LL2755 is a dual coil C-core tube amplifier output transformer for 11k : 8 ohms impedance ratio available in PP and SE versions. The coil is wound using our high internal isolation technique with isolation foil between each copper layer. The core is an audio C-core of our own production.

Turns ratio 18+18 : 1

Weight: 4.6 kg
Static resistance of each primary: 82 W
Static resistance of secondary: 0.1 W
Isolation between windings / between windings and core: 4 kV / 2 kV
Max DC current through any primary winding (10W heat dissip): 350 mA