aptX HD Bluetooth
Digital and analogue inputs
You may wonder why more hi-fi speaker brands don’t make active versions of their existing passive speakers. Stick an amplifier into the cabinet and you’re done, right?
Not quite. As demonstrated by these Dali Rubicon 2 C active standmounts, a lot of work goes into such a transition. Complex digital processing is required for optimal sound – wireless connections between the speakers need to be dependable and there’s also the housing of streaming modules and connectivity to consider.
Essentially, the Rubicon 2 Cs are an amalgamation of Dali’s five-star Rubicon 2 passive speakers (they borrow the drivers and cabinet construction) and the 2018-launched Callisto active speakers, from which they take the company’s capable Class D amplifier technology as well as the third and final box in the set-up, the Dali Sound Hub.
The Sound Hub is essentially the brains of the system – a streaming preamp that connects to the speakers wirelessly via Dali’s own proprietary network (on either the 2.4GHz or the 5.8GHz wi-fi band depending on the location and quality of the connection) and transmits audio to them at 24-bit/96kHz.
Only power (not wi-fi) and a press of the ‘pair’ button on each box are required to establish a connection between them all – handy if your network is down or out of range and you still want to listen to an offline source. In fact, the Hub displays a ‘speakers connected’ status even before we’ve flipped on the speakers’ power switches.
Through the Hub
As the speakers bear only power sockets (each speaker needs plugging into the mains), USB ports for firmware updates, and ‘ADC’ (analogue RCA) inputs for directly connecting an external preamp and bypassing the Sound Hub, the Sound Hub is where you’ll find several inputs for connecting sources.
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