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Ayon Spirit-1 small tube circuit topology question

I have a friend that is likely to get his first tube amplifier and it looks like it will be an Ayon Spirit-1. I want to help him with a bit of tube rolling for the small tubes. The large tubes are Gold Lion KT88's, so those will stay.

But for the three small tubes, does the one in the front center position split the signal or something and send it to the two in the back?

Also, will the amp use 5814 tubes? If so, I might go with an RCA 5814 in the center spot and some Mullards in the other two positions, but I first need to understand the topology.

Thanks for any help.
reynolds853

Showing 1 response by mechans

mechans
3,048 posts
 
Yes it probably is a phase splitter and the other two drivers. You can sub a 5814 if the stock tube are 12AU7s. RCA is my favorite but if you really want a treat try to buy some 7316s.
Over on Audio Asylum in their classifieds there is a good guy TVR2500 or something like that who may have them still and at a fair price. They are Heerlen Holland late 50s early 60s Amperex made for IBM Hewlett Packard etc for special instrumentation.
I have no affiliation at all with TVR....Just know him as a buyer.
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