6DQ6 Beam Power Tetrode MATCHED PAIR.
Very popular in Goldentone, Playmaster & Maton Guitar amplifiers, Melody HiFi amplifiers.
We have an assortment in stock. Some ship in OEM packaging, some in plain white boxes. 6DQ6A, 6GQ6B, 6GW6, 6GQ6GT are all directly interchangeable. EL38, 6CM5, EL36, similar and in many instances, interchangeable.