Looking to introduce some tube magic to my system

almarg: I did see that warning at the PrimaLuna website and that recommendation on fixing it.

Thanks for mentioning that. I hadn’t been aware of any mention of the "motorboating" issue at the PrimaLuna site (which they refer to as "fluttering"), and perhaps that note wasn’t present on their site in 2015 when the thread I referenced occurred. But after seeing your comment I found the link:

https://www.primaluna-usa.com/using-speakers-with-builtin-subwoofers

I note that the writeup only mentions the ProLogue Premium integrated amp, and none of their other integrated amplifier models.

Regards,
-- Al

Something the OP should be aware of if he wants to consider pairing a PrimaLuna integrated amp with his GoldenEar Triton One speakers:

In the following thread ...

https://forum.audiogon.com/discussions/primaluna-prologue-integrated-help-needed

... the OP reported an unusual problem using a PrimaLuna ProLogue integrated amp with his GoldenEar Triton Two speakers. He reported that a "throb" at about two beats per second occurred when the volume was raised beyond a certain point.

Like the OP’s Triton Ones that member’s Twos have internal amplification for the deep bass, and consequently an impedance that rises to very high levels at deep bass frequencies. (The impedance curves of the One and the Two are very similar, as can be seen in John Atkinson’s measurements here and here). And it turned out that the amp wasn’t happy working into a load that was essentially absent at very low frequencies. The result being what is referred to in electronics as "motorboating."

I suggested that he try putting suitably chosen load resistors on the output terminals of the amp, and fortunately that solved the problem.

I have no way of knowing, of course, if the same issue would arise pairing any of the other PrimaLuna integrated amplifier models with the Triton One. But it’s certainly a possibility that should be considered before proceeding down that path.

Regards,
-- Al