300B 2A3

300B. A classic DHT (Directly Heated Triode) . Very popular in SET (Single Ended Triode) HiFi Amplifiers as a Power Valve or voltage regulator.

2A3. Power Triode. Four pin UX4 type base. Seen in many Mono Blocks and Class A amplifiers.

300B 2A3 There are 3 products.

Showing 1 - 3 of 3 items
Showing 1 - 3 of 3 items