LL2733: Lundahl Choke

The LL2733 is a 2-coil choke for tube/valve filament current filtering. The coil is wound using our standard high internal isolation technique with isolation foil between each copper layer. The core is an audio C-core of our own production

The LL2733 is available in 2 versions. Suitable for a valve filament or heater power supply

• 0.4H, 1.7A
• 3.4H, 3.4A

(N.B. Adjusting the airgap adjusts the DC current and inductance. This is done at the Lundahl factory.)

There are further 2 versions depending on what C-core material you require.

• Silicon-iron
• Amorphous-iron (AM)

Dimensions - 95mm x 75mm x 53mm

PRICE (1 off)
£80.52+vat +p&p

Non-Stock Item - Please allow 4-6 weeks for dispatch