Lundahl Tube amplifier output transformer, LL2769-PP

LL2769

Turns ratio(approx)

4 x30 : 2 x(4+2 +1)

Static resistance of primary windings

4-2 and 6-8/3-1 and 5-7

50 Ohm /58 Ohm

Static resistance of secondary windings

21-31 and 35-15/32-33 and 37-37/24-34 and 38-18

0.7 / 1.4 Ohm/ 0.3Ohm

Primary leakage inductance(all in series)

To be measured

Max recommended primary heating DC current

(heat dissipation 7W)

180mA

Max.primary signal voltage r.m.s. at 30Hz( all in series)

Push-Pull

690V

Single End

305V