| 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 |
Power Cord, Remote Control, User Manual, Antenna |