CALLIA REFERENCE DAC, PRE AND HEADPHONE AMPLIFIER
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CALLIA REFERENCE DAC, PRE AND HEADPHONE AMPLIFIER
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.
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
| System Requirements |
Mac 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) |
| Inputs |
1 x TOSLINK optical (S/PDIF) 1 x coaxial (S/PDIF) |
| Outputs |
2 x XLR 3-pin (balanced) 2 x RCA (pseudo-balanced) 1 x 1/4" TRS stereo headphone jack |
| USB | 1 x USB 2.0 Type B |
| Bit Depth |
PCM via S/PDIF Input: Up to 24-bit PCM via USB Input: Up to 32-bit DSD: 1-bit |
| Sample Rates |
PCM: Up to 384 kHz DSD64: 5.6448 MHz, 6.144 MHz DSD128: 11.2896 MHz, 12.288 MHz |
| Supported Digital Audio Standards |
S/PDIF (TOSLINK or coaxial) AES3 (coaxial) |
| Output Level |
XLR: 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 Impedance |
XLR/RCA: 50 Ohms 1/4": 4 Ohms |
| Unbalanced Outputs | Automatic, with bootstrapping level compensation |
| Balance | Output: >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+N |
XLR/RCA: -106 dB at -0.1 dBFS (0.0005%) 1/4": -103 dB at -0.1 dBFS (0.0005%) |
| Dynamic Range |
XLR/RCA: 115 dB (-60 dBFS) 1/4": 113 dB (-60 dBFS) |
| Gain Accuracy | ±0.05 dB |
| Attenuation |
LF Roll-Off (XLR/RCA): -0.05 dB at 8 Hz, -3 dB at 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 |
| Crosstalk |
XLR/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 Phase |
XLR/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 Support | S/PDIF Input: Channel status ignored |
| Clocking System | Prism Sound CleverClox hybrid PLL |
| Clock Sources | Local or S/PDIF input (automatic selection) |
| Clock Accuracy | ±50 ppm |
| Jitter Rejection Filter | >60 dB/decade above 100 Hz |
| Ambient Operating Temperature | 32 to 95°F / 0 to 35°C |
| Ambient Operating Humidity | 85% maximum relative humidity |
| Power Consumption | 15 W |
| Power Requirement | 90 to 250 VAC, 50 to 60 Hz via IEC 6A connector |
| Fuse Rating | 0.5 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) |
| Weight | 4.6 lb / 2.1 kg |
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