I don't need streaming, whatever that is. Nor do I need a DAC or CD player. And I have no idea what networking is. And the Polks go down to 25 Hz, so I don't feel i need a subwoofer. I want a pure analog 2 channel system, if that makes sense.
Schiit, made in US, has all kinds of preamps that should fit your need exact you may have to use your existing phono stage or buy one separately:
Schiit Audio: Audio Products Made in USA
Or, if you are an audiophile purist type, then there's the ASR top ranking made in China one:
Topping Pre90 Review (preamplifier) | Audio Science Review (ASR) Forum
With a preamp like the Topping Pre90, you basically have a transparent volume control and multiple I/O selections if you buy the extender. Again, such preamp would require a separate phono stage if you still listen to vinyl, but the nice thing about them (both Schiit and Topping) is that you don't have to pay for a DAC that you don't need, or you do need but want to pick your own. DACs that are build in to preamps are often (not always) of limited capabilities and performance not as good as even those $200 separate desktop (or even dongle types sometimes) DACs.
Separates may be your better bet, as there are many power amps to choose from, so you are not at the mercy of the integrated amp manufacturers.