Prism Sound CALLIA High-Resolution Stereo USB DAC

BH #PRCALLIA • MFR #CALLIA
Prism Sound CALLIA High-Resolution Stereo USB DAC
Key Features
  • PCM Resolutions up to 32-Bit / 384 kHz
  • DSD Resolutions up to 12.288 MHz
  • USB 2.0 Type-B Input
  • TOSLINK Optical & Coaxial S/PDIF Inputs
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The Prism Sound CALLIA is a high-resolution stereo USB DAC offering versatile sample rate and headphone compatibility for audiophiles and music enthusiasts in home stereos, listening rooms, and entertainment systems. It supports PCM resolutions up to 32-bit / 384 kHz and DSD sample rates up to 12.288 MHz via the stable, low-jitter CleverClox clock circuitry. Automatic source selection with manual override allows for easy signal flow for the inputs, which include USB 2.0 Type-B, TOSLINK optical S/PDIF, and coaxial S/PDIF.
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  • This item is noncancelable and nonreturnable.
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Prism Sound CALLIA Overview

  • 1Description
  • 2Reliable Quality
  • 3Low-Impedance Headphone Output
  • 4Easy Connectivity
  • 5Balanced and Unbalanced Outputs
  • 6Multiple Audio Formats
  • 7Stable Clocking

The Prism Sound CALLIA is a high-resolution stereo USB DAC offering versatile sample rate and headphone compatibility for audiophiles and music enthusiasts in home stereos, listening rooms, and entertainment systems. It supports PCM resolutions up to 32-bit / 384 kHz and DSD sample rates up to 12.288 MHz via the stable, low-jitter CleverClox clock circuitry. Automatic source selection with manual override allows for easy signal flow for the inputs, which include USB 2.0 Type-B, TOSLINK optical S/PDIF, and coaxial S/PDIF.

The stereo XLR and RCA outputs accommodate proper connectivity with balanced and unbalanced equipment such as speakers, power amps, stereo receivers, or monitor controllers. Additionally, a front-panel 1/4" TRS jack provides a high-current, low-impedance, headphone output that has three selectable operating ranges. Separate illuminated volume controls for the headphone and line outputs enable independent levels for monitors and headphones.

The CALLIA is compatible with Mac OS X, Windows, Linux, iOS, and Android, and ships with one USB cable, an IEC power cable, and a preloaded USB flash drive.

 

Reliable Quality

Prism Sound uses precise software calibration techniques in its converters to avoid the unreliability of pots and tweaks. Minimizing noise, interference, and hum was a priority in the design. All the analog circuits have galvanic isolation, while the unit's electronically balanced I/O allows it to handle common mode interference sources and trouble-free connection to unbalanced equipment.

Low-Impedance Headphone Output

The CALLIA headphone output utilizes a design different from that of the Prism Sound professional audio range. The CALLIA headphone output is a high-current, low-impedance design to handle the wide range of headphone sensitivities and impedances by providing several operating ranges, selected by switch presets on the rear panel of the unit. In this way, CALLIA can easily handle headphones from a few Ohms to more than 250 Ohms and will deliver a smooth, balanced, and transparent sound.

Easy Connectivity

By incorporating a UAC2-compliant USB 2.0 interface, the CALLIA is supported natively in Mac OS X, Linux, and Android, and in Windows with the supplied WDM and ASIO drivers. It also supports S/PDIF digital audio inputs via TOSLINK optical or coaxial copper jacks. Source selection is automatic, though manual override is possible.

Balanced and Unbalanced Outputs

The CALLIA offers balanced and unbalanced output formats at 14 dBu and 2 Vrms respectively. The balanced output is presented on XLR 3-pin male connectors, while the unbalanced output is on RCA coaxial connectors.

Multiple Audio Formats

Support is provided for linear PCM and DSD formats. Using DSD over PCM (DOP) protocol, the CALLIA accommodates DSD at the original rate (DSD64) and at two times the original rate (DSD128). DSD files encoded as DOP may be played with both ASIO and WDM drivers.

Stable Clocking

The CALLIA uses the same CleverClox hybrid digital phase-locked loop (DPLL) circuitry as the Prism Sound professional line. The CleverClox regenerates clock signal for optimum stability.
UPC: 669014270979

Prism Sound CALLIA Specs

System RequirementsMac OS X 10.5 or later (Intel only)
Host application that supports Core Audio

Windows Vista or later (32- / 64-bit)
Host application that supports ASIO or WDM

Linux

Android or iOS (separate adapters may be required)
Inputs1 x TOSLINK optical (S/PDIF)
1 x coaxial (S/PDIF)
Outputs2 x XLR 3-pin (balanced)
2 x RCA (pseudo-balanced)
1 x 1/4" TRS stereo headphone jack
USB1 x USB 2.0 Type B
Bit DepthPCM via S/PDIF Input: Up to 24-bit
PCM via USB Input: Up to 32-bit
DSD: 1-bit
Sample RatesPCM: Up to 384 kHz
DSD64: 5.6448 MHz, 6.144 MHz
DSD128: 11.2896 MHz, 12.288 MHz
Supported Digital Audio StandardsS/PDIF (TOSLINK or coaxial)
AES3 (coaxial)
Output LevelXLR: 0 dBFS = 14 dBu
RCA: 0 dBFS = 2 Vrms
1/4" Hi-Z: 0 dBFS = 18 dBu
1/4" Med-Z: 0 dBFS = 14.45 dBu
1/4" Lo-Z: 0 dBFS = 8.45 dBu
Output ImpedanceXLR/RCA: 50 Ohms
1/4": 4 Ohms
Unbalanced OutputsAutomatic, with bootstrapping level compensation
BalanceOutput: >50 dB
Total Harmonic Distortion (THD)XLR/RCA: -107 dB at -0.1 dBFS (0.00045%)
1/4": -104 dB at -0.1 dBFS (0.00045%)
THD+NXLR/RCA: -106 dB at -0.1 dBFS (0.0005%)
1/4": -103 dB at -0.1 dBFS (0.0005%)
Dynamic RangeXLR/RCA: 115 dB (-60 dBFS)
1/4": 113 dB (-60 dBFS)
Gain Accuracy±0.05 dB
AttenuationLF Roll-Off (XLR/RCA): -0.05 dB at 8 Hz, -3 dB at <1 Hz
LF Roll-Off (1/4"): -0.05 dB at 6 Hz, -3 dB at 1.45 Hz
HF Roll-Off (XLR/RCA) at 44.1 kHz: -0.05 dB at 21.4 kHz, -3 dB at 22 kHz
HF Roll-Off (XLR/RCA) at 48 kHz: -0.05 dB at 23.2 kHz, -3 dB at 23.9 kHz
HF Roll-Off (XLR/RCA) at 96 kHz: -0.05 dB at 32 kHz, -3 dB at 47.8 kHz
HF Roll-Off (XLR/RCA) at Samples Rates 192 kHz and Higher: -0.05 dB at 32 kHz, -3 dB at 76 kHz
HF Roll-Off (1/4") at 44.1 kHz: -0.05 dB at 20.3 kHz, -3 dB at 22 kHz
HF Roll-Off (1/4") at 48 kHz: -0.05 dB at 21.1 kHz, -3 dB at 23.9 kHz
HF Roll-Off (1/4") at 96 kHz: -0.05 dB at 27 kHz, -3 dB at 47.8 kHz
HF Roll-Off (1/4") at Samples Rates 192 kHz and Higher: -0.05 dB at 27 kHz, -3 dB at 71 kHz
CrosstalkXLR/RCA (1 kHz): < -135 dB
XLR/RCA (20 Hz to 20 kHz): < -120 dB
1/4" (1 kHz): < -120 dB
1/4" (20 Hz to 20 kHz): < -105 dB
Inter-Channel Differential PhaseXLR/RCA (10 Hz to 5 kHz): ±0.4°
XLR/RCA (5 kHz to 20 kHz): ±0.25°
XLR/RCA (20 kHz to 50 kHz): ±0.5°
1/4" (10 Hz to 5 kHz): ±0.1°
1/4" (5 kHz to 20 kHz): ±0.25°
1/4" (20 kHz to 50 kHz): ±0.5°
Channel SupportS/PDIF Input: Channel status ignored
Clocking SystemPrism Sound CleverClox hybrid PLL
Clock SourcesLocal or S/PDIF input (automatic selection)
Clock Accuracy±50 ppm
Jitter Rejection Filter>60 dB/decade above 100 Hz
Ambient Operating Temperature32 to 95°F / 0 to 35°C
Ambient Operating Humidity85% maximum relative humidity
Power Consumption15 W
Power Requirement90 to 250 VAC, 50 to 60 Hz via IEC 6A connector
Fuse Rating0.5 A (T), 0.8" / 20 mm, glass
Dimensions (W x D x H)11.2 x 9.5 x 2.0" / 285 x 242 x 50 mm (including feet)
Weight4.6 lb / 2.1 kg
Packaging Info
Package Weight9.46 lb
Box Dimensions (LxWxH)16.8 x 13.3 x 4.3"
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