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Driver tube for Tubelab SPP?

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Hello.
I am planning to build a Tubelab SPP amp and I have also bought the pcb:), but the information is a bit limited. I think I've read all about this at Tubelab, but can not find any information about the driver-tube (input stage)?
Can this also use a choke and a motor-capacitor to improve the sound?
Where can I find more information?

Hope someone can help me.
 
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This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.