On the Ruskies, a 24 burn in on filament only. Then apply HV. But at lower V, with just enough idle current to conduct. Then another 4-8 hrs. Then hope for the best.
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Experiments with Russian "G" tubes.
- Thread starter Shockwave
- Start date
I run one at 300 watt dk 1200 pep and it works great. Crusher did the work to modify a wizard built and it runs very good. 2300 volts. This is about all I need and 0 problems with neighbors.
The 6BQ5/EL84 twist
Along the same lines, some folks have old tube radios that use 6BQ5/EL84 power tubes. Russian 6P14P series power tubes have been marketed as equivalent or superior to the good American and western European 6BQ5/EL84types from years past. Be careful.
The end letter designations are crucial. The 6P14P-EV (rated 5000 hour service life) and the 6P14P-ER (rated 10,000 hour service life) are the more worthy ones. Other variants of this series of power tubes have been prone to failure or short service life.
Good luck.
Along the same lines, some folks have old tube radios that use 6BQ5/EL84 power tubes. Russian 6P14P series power tubes have been marketed as equivalent or superior to the good American and western European 6BQ5/EL84types from years past. Be careful.
The end letter designations are crucial. The 6P14P-EV (rated 5000 hour service life) and the 6P14P-ER (rated 10,000 hour service life) are the more worthy ones. Other variants of this series of power tubes have been prone to failure or short service life.
Good luck.