Tube noob question

Phippers · 1830

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Offline Phippers

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on: September 30, 2021, 12:50:15 AM
Hi,

So I'm a noob with tubes - this being my first tube amp - so apologies for the dumb question.

Just looking at the 6C45Pi's on my new Mainline and the left hand one glows brighter than the right hand one. The left has two bright "spots", the right has a bright "spot" and a barely glowing "spot".  (please see pictures).

Is this normal?

Thanks,

Paul.

Paul Phippin

Offline Paul Birkeland

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Reply #1 on: September 30, 2021, 04:59:17 AM
That's completely normal and technically none of the heater would need to stick up for the tube to function properly.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline Phippers

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Reply #2 on: October 01, 2021, 12:27:32 AM
Thanks Paul,

Good to know.

Best regards,

Paul.

Paul Phippin

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