6L6

The 6L6 is a beam power tube ("kink-less tetrode") for power amplifier applications. European equivalent types include EL37 and KT-66. It has an octal base.

There are several variants.

Specifications

• Anode power: 19 W (variants to 30 W) max.
• Anode voltage: 275 V (variants up to 500 V) max.
• Heater: 6.3 V, 900 mA, indirect

Data sheet

• RCA 6L6 Datasheet (PDF)

Links

• 6L6 @ Wikipedia
• Article on 6L6 family
• 6L6 @ radiomuseum.org