Specs
| Model | 778X |
| General Description | Digital-to-Analogue Converter, Stereo Amplifier |
| Design Philosophy and Core Technology | • Integrated Amplifier (45 watts @8 ohms, 65 watts @4 ohms) • ESS Sabre32 ES9018K2M Reference Chip • Ultra-low Noise Digital Audio File Compability (384kHz PCM, DSD256) • Bluetooth 5.0 (aptX / AAC) Support • Dedicated High-performance, Low-noise MM Phono Stage • Headphone AMP With High-speed Output Signal Transition • USB Upgrade Support • Large Tractile Controls With LED Level Indicators |
| Inputs | 1 x Coaxial, 2 x Toslink Optical, 1 x PC USB, 1 x Bluetooth (aptX/AAC), 2 x AUX,1 x RCA (Phono MM) |
| Outputs | 1 x Coaxial, 1 x Toslink Optical, 1 x RCA (PRE Out) |
| Sampling Frequency | Optical / Coaxial: 44.1kHz-192kHz; PC USB:44.1kHz-384kHz(PCM) / DSD64, DSD128, DSD256 |
| Preamplifier Section | |
| Gain (max.) | +0dB (Line), +47dB (Phono MM) |
| Input Sensitivity | 540mV (Line, Volume = 0dB); 2.5mV (Phone MM, Volume = 0dB) |
| Input Impedance | 10K (AUX); 47K//100pF (Phono MM) |
| Total Harmonic Distortion (THD) | <0.003% |
| Frequency Response (ref. 1kHz) | 20Hz-20kHz (±0.1dB) |
| PRE Output Level | 2.1Vrms (max.) |
| PRE Output SNR | >110dB (A-weighted) |
| DAC | |
| D to A Converter | ESS Sabre32 ES9018K2M |
| Resolution | 32-bit |
| Max. Sampling Frequency | Optical/Coaxial: 192kHz; |
| USB: PCM 384kHz / 11.2896MHz (DSD256) | |
| Total Harmonic Distortion (THD) | < 0.001% (1KHz @ 0dBFS) |
| Output level (0dBFS, 1KHz) | 2.1Vrms |
| Power Amplifier Section | |
| Gain | +31dB |
| Rated Power Output | 2x45W(@8ohms); 2 x 65W (@ 4 ohms) |
| Frequency Response (ref. 1kHz) | 20Hz-20KHz (± 0.5dB) |
| Total Harmonic Distortion (THD) | <0.005% (30W / 8 ohms) |
| Input Sensitivity | 540mV (RCA AUX In); 2.5mV (Phono MM) |
| Signal-to-Noise Ratio (SNR) | >108dB (ref. 45W, A-weighted) |
| Crosstalk @1K | >80dB (ref.1W) |
| Standby Power Consumption | <0.5W |
| Headphone Amplifier | |
| Total Harmonic Distortion (THD) | < 0.01% (1kHz, 50mW ) |
| Output Impedance | 4.7 ohms |
| Load impedance | 20-600 ohms |
| General | |
| Dimensions (mm) (W x H x D) | 236x98x380.6 |
| Carton Size (mm) ( W X H X D) | 450x392x175 |
| Net Weight | 6.3kg |
| Finish | Black / Silver |
| Power requirements (depending on region) | 220-240V ~ 50/60Hz; 100-120V ~ 50/60Hz |
| Standard Accessories |
