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Questions about tubes and gear that glows. FAQ

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RE: 807 questions

Posted by Jim McShane on June 19, 2007 at 07:39:24:
"2. Are RCA 807 a safe bet? Did RCA rebranded other manufacturer's 807 as their own? I want to avoid getting 2 tubes with different internal construction but the same brand. :)"

There are a MILLION variations on internal construction of 807s. There was a lot of rebranding and a lot of running changes, so the result is that getting two tubes with identical internal guts is not so easy.

As has been mentioned, the 1625 is an 807 with a 12 volt heater.

The 807 is a 25 watt rated disipation tube according to our friends at RCA, so keep that in mind.

Also FYI, the Russian 807s are a pretty darn good tube!