Model: QUAD 3
General description:
• 2 x 65W (8 ohm), 2 x 100W (4 ohm)
• Class AB power amp section
• ES9038Q2M 32-bit DAC
Design philosophy and core technology: 
• MQA Full Decoder (PC USB, Coax/Optical)
• Bluetooth 5.1 (aptX/aptX HD) Streaming
• Dedicated High Performance Low Noise MM Phono stage
• Dedicated Current-Feedback Headphone Amplifier
• Built-in Bass and Tilt adjustment
• USB Firmware Upgrade
• 2 x Analogue (Aux), 1 x Phono (MM) inputs
Inputs:
• 1 x SPDIF (Coax), 1 x SPDIF (Optical), 1 x PC USB
• 1 x HDMI ARC, 1 x Bluetooth (aptX/aptX HD), 1 x 12V Trigger
Outputs: 1 x Pre Amplifier,1 x Stereo Speaker,1 x Headphone, 1 x 12V Trigger
Sampling Frequency:
• Optical/Coaxial: 44.1kHz -> 192kHz
• PC USB: 44.1kHz -> 768kHz (PCM) / DSD64, DSD128, DSD256, DSD512

Preamplifier Section: 
Gain (max.):
• +0dB (Line)
• +47dB (Phono MM)
Input Sensitivity:
• 800mVrms (Line, Volume = 0dB)
• 3.6mV (Phono MM, Volume = 0dB)
Input Impedance:
• 10K (Line)
• 47K / 100pF (Phono MM)
Total Harmonic Distortion (THD): <0.001% (1kHz @ 2V, Volume = 0dB)
Frequency response: 20Hz-20kHz (+/-0.1dB)
Output voltage: 2.3V max. (Volume = 0dB)
Output impedance: 120 ohm
Signal-to-Noise ratio:
• > 110dB ( A-weighted)
• > 78dB (Phono MM, A-weighted)

DAC 
D to A Converter: ES9038Q2M
Total Harmonic Distortion (THD): < 0.001% (1kHz @ 0dBFS)
Output level (0dBFS, 1kHz): 2.05Vrm
Max. Sampling Frequency: 
• Optical/Coaxial: 192kHz
• PC USB: PCM768kHz, DSD512
Signal-to-noise ratio (S/N): > 116dB (A-weighted)

Power Amplifier Section 
Gain: +29dB
Rated Power Output: 
• 2 x 65W (8 ohm, THD<1%)
• 2 x100W (4 ohm, THD<1%)
Frequency Response: 20Hz-20kHz (+/-0.3dB)
Total Harmonic Distortion (THD): <0.003% (1kHz @ 30W/8ohm)
Input Sensitivity: 800mVrms
Signal-to-Noise ratio (S/N): > 110dB (A-weighted)
Max. Output Current: 10A

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