Another rack-mount choice in the mid-level category is the 18i20, which is the older brother of the Solo. Loaded with tons of features and I/O possibilities, this rack-mount is a solid choice for any mid-level studio setup. Not to mention, this interface will take your growing studio to the next level with its amazing sound quality and expansion options. The price seems to be very right with this rack-mount, it offers nearly all the same features and possibilities of competing rack-mounts but at half the cost.
Focusrite’s Scarlett audio interfaces are now a well established range, and using the same mic preamp design as the FireWire Saffire range, it’s a given that the front end is going to be at least as good as any at this price.
The 18i20 has 18 inputs and 20 outputs, and is effectively a Saffire Pro 40 with USB rather than FireWire. Though there are a few notable differences. Such as word clock only being on the 18i20 and no optical S/PDIF option for the 18i20. Although it may not appear to be a big step up from the Scarlett 18i6, they’re worlds apart in terms of physical connectivity.
At 3kg, the 18i20 is a hefty unit. Although the Scarlett series’ red livery has been carried through to the case. The black front panel is a far more serious and professional-looking affair. It all feels very solid. While we prefer the rubberised black mic preamp knobs to the shiny silver monitor and headphone knobs. It’s obviously not a deal breaker.
Like many current audio interfaces, the 18i20 tackles the ‘studio hub’ role successfully, bringing together input, output, software monitoring and hardware monitoring. Having two separately configurable headphone feeds, for example, is very useful. As are the physical Mute and Dim buttons and additional software monitoring options (including mono).
Two front-mounted mic/line/instrument inputs are joined by six rear-mounted mic/line inputs (all on combo connectors). All eight mic preamps feature individual front panel gain knobs, along with 48V phantom power switched on/off in two banks of four. Inputs 1 and 2 get manual switchover for high impedance instrument input and a 10dB pad switch.
There are ten analogue outputs on balanced TRS jacks, the first two of which are labelled ‘Monitor’. The front panel also has two dedicated headphone outputs with individual level controls. The other ten inputs and outputs are digital, with stereo S/PDIF via RCA and eight further channels on ADAT lightpipe. The latter can also handle S/PDIF or four channels of SMUX at 96kHz.
Lastly, there’s MIDI In/Out, word clock out and a mains input socket. The 18i20 can also run as a signal mixer in standalone mode. Display-wise, the front panel hosts eight 5-part LED input meters as well as USB Active and clock Locked indicators.
The combo inputs automatically switch between mic and line sources based on plug type, and the 60dB of gain handles low-level signals well. The input LEDs do the job, although there’s no option to switch them to output monitoring. One minor issue: in some circumstances, the monitor mute and level can be a bit slow to respond. Focusrite say it’s a software problem that’ll be fixed soon in an update.
Phantom power can only be turned throughout inputs 1-4 and 5-8 at a time. No on an as needed. so if only input 3 needs phantom power you must push the phantom power 1-4 button engaging it for all 4 inputs. Don’t worry as this will NOT damage or affect the other inputs using dynamic mics and will only hurt older ribbon mics.
Comes with more than enough software to start and point you to more if you’re new and feel the need to build up a plugin collection. It has everything you need and nothing you don’t. Cannot be beat for the price. Metal construction, beautiful red brushed aluminum on the top, it’s a shame to rack mount it. Knobs and buttons are heavy and confident as well as the solid click when inserting cables. It has some weight to it too. I’m blown away by the ability and features of this amp! No regrets and now I see why this audio interface for mac is so popular!
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