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Author Topic: Matched 2A3s?  (Read 787 times)

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Offline borism

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Matched 2A3s?
« on: May 04, 2016, 05:12:18 AM »
While I have the original Steomour I believe the circuit is the same as the II edition. I was wondering how important it is to have the 2A3s closely matched? Somehow I recall reading it wasn't.
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Boris

Offline Doc B.

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Re: Matched 2A3s?
« Reply #1 on: May 04, 2016, 05:15:39 AM »
It's not too important when the tubes are run single ended, aside from gross mismatches like a totally worn out tube on one channel and a new one on the other, which might cause some imbalance.
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Dan "Doc B." Schmalle
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Offline borism

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Re: Matched 2A3s?
« Reply #2 on: May 04, 2016, 05:26:16 AM »
Thanks! One of my NOS(?) tubes blew and I bought a replacement that tested good but clearly won't be a close match.
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Boris
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