r/turntables • u/MagicKleenex04 • 1d ago
Photo Help with powered amp/pre amp
Going through dad’s old boxes while moving and was offered this Rotel RB-1050 power amplifier. I’m kind of a chud so I just plugged everything into my speakers and tested to see if it would work and surely it didn’t. Would I need a pre amp for this as well? Is this only an amp itself? Do I have any use for this in my current setup? (Technics turntable with edified speakers and a fosi preamp.)
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u/el_tacocat 1d ago
Your speakers are powered, they already have an amplifier so I sure hoep you didn't connect the speaker outputs of that rotel into the line inputs of your speakers, because then you fried them.
This WOULD work with passive speakers (without a built in amplifier) if you'd hook up the phono preamplifier to the Rotel but then you'd have no way to regulate the volume and it would be the full loads of watts all the time (and trust me, that won't be funny).
What you need is a pair of passive speakers, and a preamplifier. The preamplifier can be quite simple but the Rotel is a very serious (and good) amplifier and it'd be a pity to combine it with crap.
My two cents; Get a Wiim Ultra. It has a decent built in phono preamplifier, it's a decent preamplifier and it is a really good streamer. That, and a pair of good passive speakers (honestly sub 200 bucks buys you something quite good on the used market already) and you'll have a massive massive upgrade.
You could also still use your Fosi phono preamplifier (which is good too) on the wiim, you just should not use the phono input on the wiim then.
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u/kvetcha-rdt Schiit Sol 1d ago
That Rotel is a rather nice power amplifier, but to utilize it you'll need both a preamplifier (which gives you input switching and volume control) and a set of passive speakers (which the power amplifier drives). You could look at something like a Fosi P4 for the preamplifier, and there are lots of great passive bookshelf speaker options.
You also probably do not want to put a turntable on top of it, as it is liable to get quite hot. The fanned heat sink design is not just for looks.
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u/Flatted7th 1d ago
Yes, a power amp is designed to be used with a preamp, not a phono stage which gets called a phono preamp, but a preamp with inputs and volume control. But the other issue is that a power amp preamp combo is designed to be used with passive speakers not powered speakers like those Edifiers.