Made in USA by Sylvania. Detector Indirect triode tube.
Round black plate, engrave base.
Nos but no box. Matched pair are available.
Price: $ 99.99 / Tube
56 ARCTURUS - Blue (Balloon)
Made in USA by Arcturus. Medium-Mu Indirect hearter triode tube. Substitutes.........27 type.
Balloon type, engrave base and black plate.
Nos, no box. Matched pair are available.
Price: $ 99.99 / Tube
56 MAJESTIC G-56 (Gray Glass)
Made in USA. Medium-Mu Indirect hearter triode tube. Substitutes.........27 type.
Balloon type, engrave base and black plate.
The rare version. Very exceptional.
Nos in original box. Some are no box.
Price: $ 19.99 / Tube
56 RCA
Made in USA by RCA.
Black plate. Substitutes.........27 type
Nos in original box. Matched pair are available.
Price: $ 59.99 / Tube
56 RCA (Balloon)
Made in USA by RCA. Medium-Mu Indirect hearter triode tube. Substitutes.........27 type.
Balloon type, engrave base and black plate.
Nos in original box. Some are no box.
Price: $ 19.99 / Tube
56 SYLVANIA - Green Leaf
Made in USA by Sylvania.
Black plate. Substitutes.........27 type
Nos in original box. Matched pair are available.
Price: $ 49.99 / Tube
5687 RCA D-Getter
Made in USA. White lable version, Black plate with D-Getter
Can be replaced for E182CC, 7119, 7044, 6900.
Nos in original box. 20 tubes available.
Price: $ 29.99 / Tube
5687 RCA O-Getter
Made in USA. Red lable version, Black plate with O-Getter
Can be replaced for E182CC, 7119, 7044, 6900.
Nos in original box. 20 tubes available.
Price: $ 99.99 / Tube
5687 SYLVANIA - Gold Brand
Made in USA by Sylvania. GB is one of the best seri ever made from Sylvania.
Most of them are special designed with gold pins for long time to use.
Gold lable version, Black plate, O-Getter. The best of US's 5687 ever made.
Nos in original box. 10 tubes available
Price: $ 24.99 / Tube
5693 RCA Red Metal
Made in USA by RCA.
The last of Special Red Version
Red metal tube. Similar to 6SJ7 type.
Nos in original box.
Matched pair are available