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Western Electric 420A / JW 5755 - matched pair

Western Electric 420A / JW 5755 - matched pair
Price: $189.00
2 matched pairs in stock
Item Number: 144
Manufacturer: Western Electric
The 1959 Western Electric JW 5755 tubes in this precisely matched pair are the military spec equivalent to the 420A dual triode. They have smooth gray plates and windmill getters. The yellow print on the glass reads JW 5755 Western Electric 420A with matched date codes (5939).
 
Both tubes test as new with balanced sections and very low noise. They are precisely matched for both current draw (mA) and transconductance (Gm). They ship in their original boxes.
 
These tubes are sold as a matched pair. Photo is of a sample pair from the lot. Singles, when available, are listed as Item 767.

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Raytheon 420A / CK 5755 - clear top
Price: $59.00
Raytheon 420A / CK 5755 - clear top
This 1960s Raytheon 5755 tube is a military spec equivalent to the Western Electric 420A dual triode. It has smooth gray plates and a clear top. The yellow print on the glass has the Raytheon logo. Tube tests as new and with balanced and very low noise.
Raytheon 420A / 5755 - matched pair, clear top
Raytheon 420A / CK 5755 - matched pair, clear top
Price: $124.00
Raytheon 420A / CK 5755 - matched pair, clear top
The 1961 Raytheon 5755 tubes in this precisely matched pair are the military spec equivalent to the Western Electric 420A dual triode tube. They have smooth gray plates and clear tops. Both tubes test as new and are matched for both current draw and Gm.
Western Electric 420A / JW 5755
Western Electric 420A / JW 5755
Price: From $69.00 to $74.00
Western Electric 420A / JW 5755
This 1959 Western Electric JW 5755 tube is a military spec 420A dual triode. It has smooth gray plates and a windmill getter. Tube tests as new with very low noise and ships in its original box.
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Orders received
Nov 22-27 will
ship Nov 28-29
.

TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.

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