The usual reason for the Y designation is per customer request for a
particular spec such as high on the emission curve, superior linearity, etc.
All this means is extra grading from a particular production run.
Carl
KM1H
----- Original Message -----
From: "Charles Bibb - K5ZK" <zedkay@telepak.net>
To: <amps@contesting.com>
Sent: Tuesday, November 06, 2012 3:38 PM
Subject: [Amps] YU209
What is the difference between an 8877 / 3CX1500A7 / YU209?
I'm told that the YU209 is a "commercial version" of the 8877, but what
makes it different?
Are the data sheets identical? If so, can someone point me to one? I've
not had any luck locating one on my own. If the data sheet for the YU209
and 8877 are exactly the same, what makes a tube a "commercial" version?
73,
Charles - K5ZK
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