Presonus Audiobox 1818VSL recording interface

Eg har brukt dette lydkortet/ interfacet utan problem i ca 8 år. Selger grunna overgang til eit system med fleire inputs. Rester av litt teiplim over inputs på framsida. Sjå bilde!

Beskriving frå heimesida til produsent:

XMAX preamps + 96 kHz sampling = great sound.

The AudioBox 1818VSL records and plays back at sampling rates up to 96 kHz, with remarkably low noise. It features the same Class A XMAX microphone preamplifiers as our StudioLive AI mixers, which are found in recording studios and live venues the world over. The result is clean, pure, audiophile-quality sound.

The microphone preamplifier is a key component in the audio quality of a recording, and all mic preamps are not created equal. The AudioBox 1818VSL includes custom-designed, high-voltage, discrete, XMAX Class A microphone preamplifiers that are suitable for use with all types of microphones.

The job of a microphone preamplifier in an audio interface is to boost a microphone-level signal to line level before conversion to the digital domain. A good preamp boosts the level to almost 400 times that of the original signal, making the preamp one of the most important stages in an interface. Inexpensive or poorly designed preamps can lead to thin, noisy, or even harsh and brittle results. But with XMAX preamps, the sonic quality is limited only by what microphone you plug into it.

XMAX preamplifiers are built with three key elements:

Class A. Class A circuits have no crossover distortion and deliver purer, clearer, and more musical results than the Class AB designs that are found in many preamps.

High Voltage. The XMAX preamplifier runs on power rails of 30V. Most off-the-shelf, op-amp-based designs run on power rails of 10V to 18V. Higher-voltage power rails deliver more headroom, deeper lows, smoother highs, and a richer overall sound.

Discrete components—not op-amps. We only use genuine transistors, resistors, and capacitors. Op-amps add noise, coloration, and harshness to a signal. Our discrete design delivers ultra-low noise and transparency.

The net result of the XMAX preamp design is high headroom, low noise, wide dynamic range, extended frequency response, and—most important—musicality and transparency.