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RE: tubes that interchange with the CV378?

The cheapest (besides E-bay, & those were used tubes on Ebay) I've seen CV378s is $100 a pop from tube depot.

From everything you typed previously, the CV378 sounds, to me, like it should be a better tube because of the cathode sleeves.

I did price a bunch of 5U4s from a bunch of different vendors (I will check New Sensor after I finish this post) & I could have quite a few spare 5U4s to burn up for what a pair of CV378s would cost me.

ON EDIT: I just checked: $30.40 each from New Sensor--I could afford to have a spare pair or two in my box of spares.

February 26, 2020: "You have fifteen people, and the fifteen within a couple of days is going to be down to close to zero,"

Edits: 07/25/20 07/26/20

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