3A/109A CV1671 STC and 3A/109B CV1663 STC

3A/109A by STC MINT GBP 180 pair.

3A/109B by STC MINT GBP 180 pair.

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Description

Both STC 3A/109A and 3A/109B are directly heated triodes used these days in audio applications. The P.O. numbers are CV1671 and CV1663.

All four valves are MINT and have been tested with 100% emission and in perfect working order.

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