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Apogee Quartet Audio Interface Review

2 Duet = 1 Quartet?
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A little more than one year ago, we reviewed the Duet 2, the second generation of Apogee's mobile USB audio interface with two mic inputs. With the Quartet, the Californian engineers have produced the missing link between the Duet 2 and the large Symphony I/O, that is an interface with four mic inputs and ADAT.

How Does it Sound?

Apogee QuartetApogee Quartet

 Apogee Quartet     

Apogee QuartetDownload the preamp examples (in WAV format)

Let's connect some mics to the unit and listen to the result. Since we're true audio freaks like you, we couldn't refrain from giving you some figures. Let's start with the really impressive preamps: not only do they offer up to 75dB of gain (competitors reach about 60dB, except Focusrite's Forte that achieves the same performance), but they are the quietest in our comparison as well! For your information, the results are exactly the same as with the Duet 2, so we are pretty confident that they have the same preamps. When it comes to noise, they outperform the high-performance preamps of our ULN8 Metric Halo, which go up up to 91dB, and the Forte which are already quite impressive. So you get a lot of gain and very low noise, exactly what we expect from the preamp of an audio interface, right? Apart from allowing us to compare them with the preamps of the ULN8, our recordings show that they are utterly transparent.

Apogee Quartet

As for the converters, our loop-back test shows values that come up very close to the Duet 2 and are at the same level of those of the Focusrite Forte. They are in the upper range but not amazing, and quite far from Metric Halo's ULN8, our reference. However, don't forget that measurements are only that, figures, even if they can give you some valuable information on how the gear sounds. But when it comes to your ears, differences are not that obvious... We recommend you not to focus on figures but rather consider other parameters that are sometimes even more important: ease of use, features, flexibility, connections, price...

Download the converter examples (in WAV format)




You can consider the Quartet as a larger Duet 2, which is no surprise. The product is still very easy to use, well thought-out, looks nice and still has no Windows support... Their sound is exactly the same thanks to its high-quality, low-noise preamps with 75dB of gain. Luckily, Apogee didn't forget the digital inputs this time and added eight ADAT channels. At about $1,300 retail, the unit is quite pricey, which isn't very surprising coming from Apogee. However, the money seems justified considering the features and performance, even if we would like to have internal processing possibilities and a generic USB port. If you have a Mac and $1,300 in your wallet, you like simple, nice-looking things and need four mic preamps, you should consider the Quartet very seriously.

Audiofanzine's review:
Pros Cons
  • Very low-noise preamps with 75dB of gain
  • Appealing look
  • Practical desktop design
  • Perfect ergonomics
  • Comprehensive connections
  • Easy to use
  • Two nice OLED displays
  • Master USB port for a MIDI controller
  • Proprietary USB cable
  • Instrument input on the rear panel
  • No internal processing
  • Mac only
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