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2A3 and 300b

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RoadTripper

2A3 and 300b
« on: 17 Aug 2019, 07:58 pm »
Are 2A3 and 300b tubes interchangeable?
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E55l2

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Re: 2A3 and 300b
« Reply #1 on: 17 Aug 2019, 08:18 pm »
No!

Filament voltage is different and all other parameters too.
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FullRangeMan

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Re: 2A3 and 300b
« Reply #2 on: 18 Aug 2019, 03:56 am »
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