Made in USA by Sylvania.
Fat black plate, D-Getter and copper support.
Great of 12BH7s.
Used but tested very good, like new.
Matched pair are available.
Made in USA (1950s).
Muddy black plate, D-Getter. Best of 12BZ7.
Great High-Mu Twin Triode. Best choice for most of classic Mc-Intosh products.
Nos in original box.
Matched pair and quad are available.
Made in USA (1950s).
Muddy black plate, D-Getter. Best of 12BZ7.
Great High-Mu Twin Triode. Best choice for most of classic Mc-Intosh products.
Nos in original box.
Matched pair and quad are available.
Made in USA by Raytheon.
Balloon type. Similar to 26 and 326.
These are the earliest type with “Raytheon” stamped on the silver box plates.
They are known as 4-pillar tubes.
Nos but no box. Matched pair are available.
Made in USA by Raytheon.
Balloon type. Similar to 26 and 326.
These are the earliest type with “Raytheon” stamped on the silver box plates.
They are known as 4-pillar tubes.
Like new tubes in good testing. Matched pair are available.