Apogee Quartet - USB 2.0 Audio Interface with 4 Mic Pres & 8 Inputs Over ADAT
The Apogee Quartet is a USB 2.0 audio interface featuring 4 world-class apogee mic preamps and 8 analogue outputs, all utilising Apogee's renowned AD/DA conversion. The Quartet also includes 2 banks of ADAT input allowing a further 8 channels to be added.
Quartet for iPad and Mac features special circuitry designed to deliver professional performance for iPad use along with low latency USB 2.0 performance for Mac. Quartet's MIDI I/O connector lets you connect and power a Core MIDI compatible keyboard/controller while using Duet with your iPad or iOS device.
Pristine, next generation AD/DA converters
Quartet’s AD/DA converters are designed to deliver the purest recordings and best listening experience possible. Quartet’s efficient circuitry and state-of-the-art components provide a simplified signal path resulting in incredibly transparent recordings.
Smooth, detailed world-class mic preamps
Much like the AD/DA converters, Quartet’s mic preamps feature the latest components and offer seamless click-free transitions as the gain increases and decreases throughout the incredible range of 0-75dB. This unprecedented feature allows you to dial in the perfect level, either with the controller knob or from within software, while delivering ultra-low noise and smooth, crisp detail. Quartet’s mic pres are suitable for all dynamic, condenser or ribbon microphones, allowing you to capture any sound without compromise.
Soft Limit for protection from digital overs
An Apogee technology first introduced in 1992 on Apogee’s AD-500 converter, Soft Limit can be heard on countless platinum selling records around the world. Once a technology exclusively reserved for Apogee’s most advanced audio converters, Soft Limit is included in Quartet and can be enabled in Apogee Maestro software.
This superior analog design prevents the digital clipping that causes distortion by instantaneously rounding off transient peaks before they hit the analog-to-digital converter. Soft Limit allows several more decibels of apparent level to be recorded while subtly providing an analog-like warmth to the sound.
Inputs & Outputs
Analog Inputs - Quartet is equipped with 4 combination input connectors (XLR and 1/4”) for connecting microphones, guitars and keyboards or your favorite external mic preamps, compressors and EQs.
Digital Input - Quartet also includes 8 channels of digital input via 2 optical connections (ADAT/SMUX) for connecting an additional analog-to-digital converter such as Apogee’s Ensemble.
Analog Outputs - Quartet’s 6 balanced 1/4” TRS outputs offer an impressive range of possibilities. Listen and compare stereo mixes on up to three sets of speakers. Mix your audio or Final Cut video project in 5.1 surround. You can also take Quartet on the road and use all three stereo sets on stage, sending signal to the performer, monitor mixer and front-of-house. Quartet also features a studio-quality 1/4” headphone output allowing you to independently adjust your headphone level separate from the main outputs.
Word Clock - Quartet provides Word Clock OUT for synching an external A/D converter to Apogee’s superior clocking technology.
MIDI - Quartet provides a single USB MIDI connection for your CoreMIDI compatible keyboard, synth, or DJ controller. This eliminates the need for an external MIDI interface and promotes an all-in-one music creation solution where Quartet and Maestro manage all audio and MIDI. On iPad, Quartet’s MIDI connection allows both Quartet and a keyboard or DJ controller to be connected at the same time to the iPad’s single 30-pin dock port.
Apogee Quartet Features
- USB 2.0 High-speed Mac audio interface
- 4 Analog Inputs:
- Combination line (balanced +20dBu max)
- Mic/Instrument (+20dBu/+14dBu max)
- 4 Microphone preamps with up to 75dB of gain
- Selectable 48v phantom power, Soft Limit and phase invert
- Digital Inputs:
- ADAT/SMUX Input, 8 channels, 2 Toslink connectors, 44.1kHz to 96kHz
- MIDI input (USB-A type connector)
- 8 Analog Outputs:
- 6 Balanced line outputs, +20 dBu maximum output level
- 1 Independent 1/4” stereo headphone output
- Digital Outputs:
- MIDI output (USB-A type connector)
- Word clock output on BNC connector
- A/D and D/A conversion: 24 bit/192kHz
- 2 top panel high-resolution OLED displays
- Controller knob
- 6 touchpads for direct selection of inputs and outputs
- 3 assignable touchpads to control:
- Mute Outputs
- Dim Outputs
- Sum to Mono
- Clear Meters
- Engage Speaker Set (allows monitoring of up to 3 pairs of speakers)
In the box:
- Apogee Quartet
- 2 meter USB Cable
- Universal Power Supply with standard 3 pin-IEC cable
- QuickStart Guide
- Instructions for download of software and complete documentation
- Computer: Intel Mac 1.5GHz or faster
- Memory: 2 GB RAM minimum, 4 GB recommended
- OS: 10.6.8, 10.7.4 or greater
- Connection and power: Any available USB port on a Mac
- Power: DC Power supply included
- iOS version: 5.1.1 and later
- Connection: 30-pin dock connector
- DC Power supply included
- iOS device compatibility (Lightning connector)
- iPod touch* (5th generation)
- iPhone 5*
- iPad* (4th generation)
- iPad mini*
- * Requires Apple’s Lightning to 30-pin adapter. Sold separately.
- iOS device compatibility (30-pin connector)
- iPod touch (4th generation)
- iPhone 4s
- iPhone 4
- iPad (3rd generation)
- iPad 2
- Any Mac Core Audio compatible application
- Recommended apps: Logic, GarageBand, MainStage, Final Cut, Pro Tools, Ableton Live, Digital Performer, Studio One, Cubase, and Nuendo
- Any iOS Core Audio compatible app. Recommended apps: GarageBand, Auria
Apogee Quartet Specifications
- Mic Pre:
- EIN: 128dB (un-weighted) @ 60dB, 150Ohm input
- Max input level: +20dBu
- Input impedance: 3KOhm
- Max input level: 14 dBu
- Input impedance: >2MOhm
- A/D conversion:
- Max input level (+4dBu ref): +20dBu
- Max input level (-10dBV ref): +6dBV
- Input impedance: 5KOhm
- Freq resp 20 Hz -20Khz: > +/-0.2dB (@44.1Khz)
- Rel. THD + N: -106dB (@ 96Khz)
- Dyn. Range: 114dB (A-weighted)
- D/A conversion:
- Max output level (+4dBu ref): +20dBu
- Max output level (-10dBV ref): +6dBV
- Line output impedance: 90 Ohm
- Max output level headphones: 19dBu
- HPH output impedance: 30 Ohm.
- Freq resp 20Hz -20 Khz: > +/- 0.05dB (@44.1Khz)
- Rel. THD+N: -113dB (@96Khz)
- Dyn Range: 123dB (A-weighted)
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