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6C33C and 6C33C-B different?

Does anyone know what the differences are between 6C33C and 6C33C-B? I saw a Russian web site gstube.com have both listed for the same price and the pictures look the same too. Can I use one in place of the other?
sidssp

Showing 1 response by gstubee9ef

gstubee9ef
1 posts
 
I think no difference between 6C33C and 6C33C-B is for audio. Just first tube has some longer working perion (a little) but 6C33C are older usually. The second version is more widespread and more "young". Audio companies buy both tubes. Think the choice is matter of taste.
Anton Zverev (www.gstube.com)
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