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In Reply to: Joule / 6C33C-B questions posted by Len_ on December 28, 2004 at 16:18:27:
What JLH says is true, according to most users. However, I have not cleaned my tube pins or sockets in 5 years and have had no problems. I think the need for maintenance is related to the provenance of the sockets. The older sockets were apparently made differently and don't tend to corrode with age, or have less of such a tendency anyway.
As for the tubes themselves, I have heard scuttlebutt (defined as unreliable gossip) to the effect that tubes made prior to 1992 or thereabouts are more reliable than later production. Victor Khomenko of BAT knows a great deal about the various sources for 6C33Cs in Russia, and you might consult him for advice on how and where to purchase the best that are available. My amplifiers use twelve 6C33Cs (six per monoblock), and I have had no failures after 5 years on the original set of 12.
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Follow Ups
- Re: Joule / 6C33C-B questions - Lew 07:07:48 01/03/05 (0)
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