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
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
English (US)