Specifications

The Clarostat BL-42-B is a vintage vacuum tube manufactured in the United States. This tube is designed for use in audio power amplifiers or television circuits. It comes in its original box and is listed as New Old Stock (NOS), indicating that it has never been used. With the model specified as BL-42-B, this vacuum tube is a sought-after piece for vintage electronics enthusiasts or audio purists looking to maintain or restore classic equipment. Tube has a broken alignment key on the bottom. Please see pictures.

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