[Amps] QB3/300/6155 tubes vs. 4-125A tubes

[Firson Maryutenli]

QB3/300GA and American 4-125A have a metal base on their pin.
and QB3/300 or 6155 did not have. Electrical characteristic is the same.

Firson - YD0LZH
----- Original Message ----- 
From: Bill Smith <ko4nrbs@yahoo.com>
To: <amps@contesting.com>
Sent: Friday, October 11, 2002 10:42 PM
Subject: [Amps] QB3/300/6155 tubes vs. 4-125A tubes


> What is the difference between the QB3/300/6155,
> QB3/300GA tube and the 4-125A tube?
> Bill Smith KO4NR
> 
> =====
> Bill Smith KO4NR
> 
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