What is the Cambridge Audio Duo?
The output signal from a record player is feeble. It’s virtually non-existent. Every other component in your system, whether it’s a CD player, a PlayStation, a wireless stream from a phone, is at “line level” – so they all need pretty much the same amount of amplification to be audible.
A turntable needs a stack more amplification than this to get to the same output level. This is the reason some amplifiers have an input marked “phono” – they’re packing a lot more muscle than all the other inputs.
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