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D-28 (ES9038Pro)

 DAC + Discrete transistors Headphone amplifier & Preamplifier
With XLR & RCA analog inputs
built in Sabre ES9038Pro

USB / HDMI support DXD,up to DSD Native 512APCM 32Bit /384KHz
Heavy power supply by total of 10 groups of double stage PSU
1500 mW @ 100 ohm
(per channel) Pure class A output
9500mW @ 25 ohm (per channel) with H / L gain ,
drive the 80DB -115DB sensitivity headphone
easy
User can change the digital parameter settings on front plate

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Summarize Use Manual Specs Shipping Cost


Specifications might subject to change without prior notice for product improvement.
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S/N Ratio

>120DB 

THD+Noise
(DAC+Headamp / Preamp mode)

Frequency Response
(DAC+Headamp / Preamp mode)

THD+Noise
(Headamp / Preamp mode only)

Frequency Response
(Headamp / Preamp mode only)

Output power
(Balanced mode)

9500mW / 25 ohm
8000MW /  40 ohm
 3500MW  /  100 ohm
1200MW / 300 ohm
600MW  /  600 ohm

Pure Class A output power
(Balanced mode)

400mW / 25 ohm
600MW /  40 ohm
 1500MW  /  100 ohm
1200MW / 300 ohm
600MW  /  600 ohm

Output power
(Single ended mode)

3600mW / 25 ohm
2500mW / 40 ohm
1100mW / 100 ohm
400mW / 300 ohm
200mW / 600 ohm

Pure Class A output power
(Single ended mode)

400mW / 25 ohm
600MW /  40 ohm
1100mW / 100 ohm
400mW / 300 ohm
200mW / 600 ohm

Gain

H: +20DB
L: +10DB

Output impedance

2 ohm

Output Level

 Headphone output : 19V RMS (balanced , max)
Preamp Variable output (balanced) : 10V RMS
Preamp Variable output (RCA) : 5V RMS
ACSSG 2MA+2MA

Analog Input Sensitivity

0.7V  to 5V RMS (RCA)
0.7V  to 10V RMS (XLR)

Digital Input Sensitivity

0.5 Vp-p(75 Ohms, Coaxial)
19 dBm (Optical)

Support Operate Systems (USB)

Windows , OSX ,Linux, ISO,Android(USB2.0)

Support Sampling

 PCM of USB and I2S: 44.1kHz-384kHz
DSD of USB and I2S: DSD64-512
 Coaxial model: 44.1kHz-192kHz
Optical model: 44.1kHz-96kHz

Power Requirement

Version 1: 100-120V  AC 50/60 Hz
Version 2:  220-240V  AC 50/60 Hz

Power Consumption

33W

Package Weight

Approximately 5KG

Dimensions

Approximately W240 X L360 X H80 (MM, Fully aluminium ) 

Accessories

AC power cord            X1
USB cable                X1


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