That tube was designed for AM BCB service by Taylor but didnt catch on there
or for AM hams as the T-160L in the late 50's.
It was later bought by and designated the 572/T-160L for Unitrd Electronics
alone.
They couldnt keep up with demand and sold production rights to Cetron who
had a much larger production facility.
UE then became the 572A and Cetron the 572B. The step top (shouldered) glass
was Cetron and the round top was UE.
At some point the T-160L was dropped for both.
You may also find a 572B with the round top and the Cetron name, those were
built by UE as the demand was even too much for Cetron alone at
times....such as the SB-200 and the Clipperton L.
I have examples of both (no Taylor T-160L) as well as other versions
including OEM named such as Dentron, Waters, plus Raytheon, GE, and several
others who did not build their own. The top shape ID's the source.
I cant remember ever seeing an actual T-160L spect sheet or the tube.
Carl
Ham since 1955
----- Original Message -----
From: "Fuqua, William L." <wlfuqu00@uky.edu>
To: <amps@contesting.com>
Sent: Thursday, August 19, 2021 8:56 PM
Subject: [Amps] 572B/T160L tube class C
I am looking for full power data for the 572B/T160L operating ICAS
class-c CW and AM.
The only thing I have found thus far is in an ARRL handbook, but it is
obviously the 811A specs.
Not the full 160W plate dissipation specs.
73
Bill wa4lav
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