If you’re looking at a dedicated pre maybe have a look at the Darlington Labs ones. They get a good write up around here.
With the debut the new models EVO and PRO both have speed change which is a nice upgrade to have, especially as with a project you have to lift the platter to move the belt if you get one without a speed change. Of the old models, if you can still find in stock, the Esprit SB has both the speed change and the upgraded acrylic platter.
For that kind of system everyone loves the NAD 316, safe and sound so some nice factory refurbs. It also has the phono stage on it so you don’t have to buy one unless you choose to. At the price point down there is also some love for the Onkyo amps.
If choosing between a better amp or a standalone phono? I’d probably go for the better amp to begin with. Especially one like the NAD whose phono stage isn’t a slouch. You can always then look to upgrade to a standalone in years to come if the itch strikes.
For streaming Wi-Fi is a much more solid option to Bluetooth, in terms of range and bandwidth. At the very beginner stage for an iPhone family getting a used Airport Mini on eBay will allow you to AirPlay to it. For Android houses a used chromecast audio off eBay will allow you to cast to it.
This is the link for the NAD amps
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www.safeandsoundhq.com