Antelope Audio - Amari
Artnr: IDS0111066
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Amari
Reference-grade USB AD/DA Converter & Headphone Amplifier
Amari is a hi-end 384kHz PCM / DSD256 AD/DA Converter. Its majestic sound will suit mixing
engineers, mastering gurus and the most dedicated audiophiles. The beautifully designed
desktop unit is equipped with a slick touchscreen display. Amari offers 1 pair of Analog outs
(either on XLR or TRS connectors), 1 pair of analog inputs (either on Combo XLR or RCA), and
2 high power headphone (HP) outputs with dedicated volume control and adjustable output
impedance.
Key features:
• High-End 24-bit 384kHz for play back and recording
• A/D – Dual AK5578 ADC chips. Dynamic Range 128dB
• D/A -Eight CS43198 DAC chips. Dynamic range of 138dB
• DSD64, DSD128 and DSD256 formats supported (DSD over PCM a.k.a. DoP) playback
• 2 headphone outputs with dedicated volume control for each output with user-selectable
output resistance (a.k.a. headphone membrane weight compensation) that can be switched to
balanced mode.
• Standard and Balanced mode for Headphones
• 4th
Generation 64-Bit Acoustically Focused Clocking.
• 10M Atomic Clock Input and Word Clock Input for better system integration and improved
audio clarity
• 2 pairs of Analog Ins on combo XLR and RCA
• 2 pairs of Analog Outs on combo XLR and TRS
• AES/EBU, S/PDIF and TOSLINK I/O.
• Large touchscreen display to ease the advanced functions control and visualization
• USB 3.1 Connection for playback and recording.
• Software Control Panel for flexibility and advanced functionality both on MAC and PC.
• Stunning design
Love at first listen
Amari offers the signature Antelope Audio industry acclaimed clocking and best-in-class 384
kHz conversion. The unit comes with two analog output pairs on XLR and TRS. Two analog
input pairs are available on the back panel, one on RCA and one on combo XLR. In addition
Amari provides digital connectivity on USB, AES/EBU, S/PDIF and TOSLINK.
Incredible headphone control
Antelope Audio have always equipped their units with multiple headphone outs. Amari brings
this to the next level. Its 2 headphone outputs feature individual volume control. Each output
allows users to Select from 17 different values of driver's output impedance including negative
values in order to enhance the listening experience.
Mastering-grade conversion
Amari employs the industry renowned Antelope Audio clocking technologies and the
manufacturer's vast experience in analog circuitry and conversion. The mastering-grade audio
interface offers 384 kHz, 24-bit conversion.
Top clocking
The desktop interface features the Acoustically Focused Clocking (AFC) jitter management
technology pioneered by Antelope Audio’s Fourth generation, 64-bit clocking allows a stable
and precise sampling of any incoming audio signal. Amari is also equipped with an Atomic
Clock input (fully 10MX compatible) for maximum stability. An additional Word Clock input is
also available.
Flexible control set
The control set of Amari is distributed between dedicated fast-access knobs and buttons for the
most frequent controls, the impressive touchscreen display and intuitive software control panel.
The touchscreen is used for the more advanced functions and volume levels visualization.
For the audiophile market:
Design
Made of machined metal and finished in Black & Gold, Amari boasts the typical Antelope Audio
design symmetry and sturdy build quality. It is beautiful without being distracting. It is premium,
but not ostentatious. It looks equally as great in the studio as it does in your living room. The
centerpiece is a slick full-color touchscreen that provides hands-on control and extensive
metering. Next to it, the stepped rotary encoders and three function buttons allow for smooth
and immediate control. Amari looks and feels just like it sounds - clean and precise.
Connectivity
The belief that analog and digital audio are meant to thrive together is embodied in every
Antelope Audio product. Amari is no exception - its abundance of connectivity options means
limitless flexibility! Two pairs of analog inputs (XLR and RCA) and outputs (XLR and TRS), two
headphone amplifiers, digital ports (AES/EBU, S/PDIF, TOSLINK), Word Clock & Atomic Clock
inputs offer vast integration possibilities.
Headphone Amplifiers
Amari features a pair of Stereo Headphone outs on ComboXLR connectors with a dedicated
volume control knob. Output is capped at 1,4W max, with selectable output impedance from
-4.6 to 85.3 Ohm available in 17 control steps. These options let you configure Amari for perfect
compatibility with your favorite headphones for ultimate performance.
Amari’s high-fidelity headphone driver chip offers fully differential input (per amplifier). It is a
dual-amp design, optimized to eliminate possible temperature drifts and deliver the differential
signal quality each listener deserves.
In standard mode the Headphone outputs use a single D/A Converter chip with two dedicated
amps (one per channel) for unparalleled performance while in balanced mode (when both
Headphone outputs are in use) the Headphone outs switch and deliver one dedicated D/A
Converter chip and two amplifiers (one per channel) for each of the headphone drives (left and
right) therefore eliminating any noise, increasing audio performance and delivering an
expansive, full tone and more refined quality to your musics presentation.
DSD High-Resolution Audio Support
In addition to 24-bit/384kHz PCM audio playback, Amari supports DSD64, DSD128 and
DSD256 over DoP formats. Enjoy clear, present digital audio at sample rates tens of times
higher than that of CDs.
Software Control Panel
Easy and intuitive to use, the Amari Control Panel gives you control over each aspect of the
unit. It also places the power of a unique and flexible routing system at your fingertips.
Exemplary Performance
For the ADC, we chose a digital low-pass filter with a short delay and sharp roll-off to achieve
the lowest latency and widest bandwidth possible of 0.46 x fs, with pass-band ripple of +/-0.03
dB. Since the short delay filter only works on such a small number of samples (5) at a time, we
have the shortest possible delay between the input and output stages, which greatly improves
throughput.
As for the internal digital high-pass filter — we set its cutoff frequency to 1Hz in order to
eliminate DC offsets and pass the cleanest audio signal possible.
We also take pride in Amari offering one of the lowest pass-band ripple figures (+/-0.03 dB) in
the industry. The lower this figure, the more accurate sound reproduction is and the better a
filter sounds.
The ADC chips we’ve selected are two AK5778 - that are well renowned both in the pro audio
and in the hi-end world.
Top Class Conversion
The 2-channel ADC is configured for 8-to-1 operation — that is, there are 2 A/D Converter
chips per single analog input. This way, we achieve increased dynamic range and a significant
9dB improvement in signal-to-noise ratio (SNR). And with a maximum sample rate of 384kHz
(apr: 2.6uS), Amari captures even the tiniest details in the audio signal with a resolution of
1.16nV.
Designed for audiophile and studio equipment, the 8x CS43198 DAC chips that we selected are
well respected in the high-end community. They support sample rates of up to 384kHz (PCM)
and operate at the same speed and resolution as the ADC. This made it possible for our
engineers to achieve bit-perfect & sample-accurate playback, with the AD-DA pass-through
rendered completely transparent. The final touch, is having the power to play back DSD formats
up to DSD256 (via DoP) makes for complete and versatile DA conversion.
Fully Differential Driver Topology
Amari offers fully differential (balanced) driver topology for the combo XLR inputs. The coaxial
routing from the RCA connector (coax. input) to the driver, transports clean, pristine signal
directly to the same differential driver as the combo XLRs. The keyword is 'consistency!'
Likewise, Amari's analog output drivers are built upon of a low noise, low distortion, rail-to-rail
output amplifier that boasts a 0.00006% (-124.5dB) THD (total harmonic distortion) and 3.3nV/
√Hz noise. We specifically chose a dual-amp in a single chip package in order to enhance the
differential PCB layout and maximize our symmetrical driver topology.
Fourth-Generation 64-bit Clocking
Amari takes full advantage of the renowned Antelope Audio Acoustically Focused Clocking
(AFC) jitter management technology. Our fourth-generation 64-bit clocking facilitates the most
precise sampling of analog signal, at sample rates of up to 384kHz and 24-bit depth. What's
more, Amari offers an Atomic Clock input (fully 10MX compatible) and a Word Clock input,
allowing you to enjoy our industry-leading clocking technology at its fullest potential.
Amari Technical Specifications
Connectivity
Inputs
Analog
1x Stereo Pair balanced on ComboXLR 24dBu max input level
1x Stereo Pair unbalanced on RCA 8,2dBu / 6dBv max input level
Digital
1x AES/EBU up to 192 kHz
1x S/PDIF up to 192kHz
1x TOSLINK up to 96kHz
Sync
1x WC
1x Atomi
Outputs
Analog
1x Stereo Pair balanced on XLR. Output Level: 24dBu max, digital trim available
1x Stereo Pair balanced on TRS. Output Level: 18dBu max, digital trim available
2x Stereo Headphone outs on ComboXLR with individual volume control knobs.
Output Power: 1,4 Watts max. Selectable output impedance from -4.6 to 85.3 Ohm
available in 17 steps
Headphone outputs are also configurable to drive 1 pair fully balanced
headphone set with dedicated volume control
Digital
1x AES/EBU up to 192kHz
1x S/PDIF up to 192kHz
1x TOSLINK up to 96kHz
Bidirectional
1x USB 3.1 on Type-B connector up to 384kHz
Power
DC Power Inlet with lock nut
AD Conversion
2x AK5778 A/D Converter chips
24 bit 384kHz
Input: Full Differential Inputs
S/(N+D): 112 dB (S/N: 124 dB)
THD+N: -109dB
Dynamic Range: 128dB
DA Conversion
8x CS43198 D/A Converter chips
24-bit 384kHz PCM / up to DSD2562 over PCM
Dynamic Range: 138dB
XLR: THD+N: -113dB, DNR: 137dB
TRS: THD+N: -111dB, DNR: 135dB
Clocking
4th Generation 64-bit Acoustically focused clock technology
Sample-rates supported:
AD and DA PCM: 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 352.8kHz,
192kHz, 384kHz
DA DSD: 64, 128, 256
Power supply:
18VDC / 0.83A
Wall wart power supply unit (supplied)
In the box:
Amari Hi-End Mastering-grade AD/DA Converter
Quick start guide
Warranty Card
Cleaning Cloth
USB 3.0 Cable
Wart External Power Supply
Weight (Approx):
3.0 kg/ 6.61 lbs
Dimensions (Aprox.):
Width: 310 mm / 12.2”
Height: 91 mm / 3.6”
Depth: 253 mm /9.9”
