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Tube rolling thread | UltraSonic Studios

Let's make 100% sure. AZ31

GSI
Post #5,799
May 1, 2025
Forum: Headphone Amps (full-size)

Tube rolling thread | UltraSonic Studios

It looks like a Tungsram Tottenham production to me.

GSI
Post #5,796
Apr 28, 2025
Forum: Headphone Amps (full-size)

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