Osram 58W 840 RUSSIAN
These are crap 2 years on HF and dead both at the etch end

Osram 58W 840 RUSSIAN

These are crap 2 years on HF and dead both at the etch end

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Beta 5   [16 Nov, 2024 at 11:31 PM]
That's quite poor, especially for running on HF. What production year/month are these ones?
Liam   [17 Nov, 2024 at 02:44 AM]
Lasted better than the ones i've tested so far like. One lasted 2 months on Vivatronic before it chewed it up Laughing and the other went Mercury Starved after only 8 months use Rolling Eyes
Danny   [17 Nov, 2024 at 10:04 AM]
These can be very hit and miss as far as I can tell. Some of the first EOL Russian ones I’ve seen
Patrick   [17 Nov, 2024 at 10:37 AM]
Have afew of these that won't strike on HF but are perfectly fine on SS Confused all even new ones seem to have a very slight flicker running on SS
Flurofan96   [17 Nov, 2024 at 03:33 PM]
That's a far cry from the Russian standards of quality production Razz and @patrick: It's because they also got the low mercury dosage standards that all new tubes get

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