Pairing older NAD power amp with newer preamp

I have the $49 Schiit Sys passive pre between my dac and an NAD 214. For the price you can't beat it.

Great. I'll check it out. Thanks!

Almarg, I checked out the Antique Sound Lab Line Two DT as you suggested and I will give it serious consideration. Another I have been eye-balling for a while is the Vincent SA-31 tube/ss hybrid pre. It made the Absolute Sound's Editor's Choice list. Owner's commenting on the Audio Advisor web site are quite pleased. It's also $300 dollars more than the Line Two DT but includes, good or bad, more circuitry...tone controls, tone deactivation, loudness, led power light. It uses two 6N16B tubes vs a 12AU7 on the Line Two. The input/output capabilities on the Line Two are perfect for my needs. But what about the sound comparison? Am I lucky enough to find someone out there that has experienced both?

A minor point, Sandspur, but the ASL preamp also has a power indicator LED. It is located just above the logo.

Also, something to consider is that I believe 6N16B's have leads which are probably soldered to the circuit board in the SA-31 and other audio components which utilize them, rather than being socketed. Although IIRC that tube is rated for a very long lifespan, so replacement would presumably be required rarely if ever.

Good luck, however you decide to proceed. Regards,
-- Al

You might also consider selling the 214 and L40 and with the $500 in addition you are looking to spend, find a quite nice integrated...