chinese 2A3 : monoplate vs. biplate ... graphs

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Do It Yourself (DIY) paradise for tube and SET project builders.

Both graphs at 1W 5K plate load Vp-k = 245VDC @ 43maDC SE DC 2A3 finals.

6SN7 beta follower driver circuit.

1KHz sine wave input with internal signal generator.

First graph : Guiguang 2A3B monoplate

Second graph : NOS Chinese biplate

I wonder how much better a EML or JJ 2A3 would perform than the Chinese monoplate 2A3B under the same test conditions?

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Topic - chinese 2A3 : monoplate vs. biplate ... graphs - deathtube 667 15:16:16 04/04/14 (0)

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