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Specifications
Model 778X
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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 Tran
sition
• USB Upgrade Support
• Large Tractile Controls With LED Level Indicators
Sampling Frequency Optical / Coaxial: 44.1kHz-192kHz;
PC USB:44.1kHz-384kHz(PCM) / DSD64, DSD128, DSD256
Preamplifier Section
+0dB (Line), +47dB (Phono MM)
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
Frequency Response (ref. 1kHz) 20Hz-20KHz (± 0.5dB)
Total Harmonic Distortion (THD) <0.005% (30W / 8 ohms)
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) 236 x 98 x 380.6
Carton Size (mm) ( W X H X D) 450 x 392 x 175
Net Weight 6.3kg
Finish Black / Silver
Standard Accessories Power Cord, Remot
e Control, User Manual, Antenna
Power requirements
(depending on region)
Inputs
Outputs
Gain (max.)
Input Sensitivity
Rated Power Output
Input Sensitivity
1 x Coaxial, 2 x Toslink Optical, 1 x PC USB, 1 x Bluetooth
(aptX/AAC),
2 x AUX,1 x RCA (Phono MM)
1 x Coaxial, 1 x Toslink Optical, 1 x RCA (PRE Out)
540mV (Line, Volume = 0dB);
2.5mV (Phone MM, Volume = 0dB)
2 x 45W (@ 8 ohms);
2 x 65W (@ 4 ohms)
540mV (RCA A
UX In);
2.5mV (Phono MM)
220-240V ~ 50/60Hz;
100-120V ~ 50/60Hz
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