E1DA 9038D6K USB Headphone Amp 3.5mm Jack Unbalanced Output DAC+HPA Online now
Description
Note: Before you buy this product, please read the FAQ carefully.
https: e1dashz.wixsite.com index faq
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#9038D6K
According to multiple headfiers requests: 3.5mm jack unbalanced output DAC+HPA 180mW@32ohm in the same case as #9038SG3. The same as 9038SG3, 9038D6K will work with Tweak app. The DAC has virtually zero noise modulation behavior.
Specifications:
Status: Production
Materials: Sandblasted black anodized aluminum laser mark ES9038Q2M OPA1622 OPA1602
Susumu resistors, Murata C0G caps, AVX tantalum caps, Taiwanese connectors
Dimensions: 48x22x9mm
Weight: 12g
Power: USB +5V rail no internal battery, 105mA idle current, the device contains >6000uF of capacitance for the power rails filtering
Input: USB-C, PCM up to 32b 384kHz, DSD256
USB bridge Comtrue CT7601CR custom FW
Output: Standard unbalanced output 3.5mm jack, HW volume control .5db step
Output impedance: .07 Ohm@1000Hz Agilent U1733C
Output power:
180mW@32 Ohm@1kHz@THD=1%
120mW@16 Ohm@1kHz@THD=1%
Measured at +.5dbFS level, typical PC USB2 port powered
The hot unit produces less power
Frequency Response: 5-80kHz +.05 -1db@ 32b 384kHz
SNR=DR@50MHz_MCLK:Â 126db(A) typical, referenced to 2.75VRMS
INAD@[email protected] BW 22-22kHz 118-120+db typical for 32b 44.1kHz@no-load
THD@[email protected] BW 22-22kHz <.0001% typical for 24b 44.1kHz@no-load
THD+N@[email protected] BW 22-22kHz .00018%, SINAD 115db typical 24b 44.1kHz@32ohmTHD+N@1kHz@-7dbFS BW 22-22kHz .0005% typical for 24b 44.1kHz@16ohm(-6dbfs correspods 120mW)
Crosstalk: -135db@1kHz no-load,
-82db@1kHz 32ohm load
The Windows driver is here.
FW tools are here
Warning: 9038D6K contains a high-sensitive I V stage that may cause audible noise when your phone uses LTE,4G,5G.
Tech appendix
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Conventional PC USB2 port, 10Kohm load THD+N vs time
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Conventional PC USB2 port, 32ohm load THD+N vs time
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Conventional PC USB2 port, AES17 Dynamic Range A-weighted vs time
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24b 48kHz 12kHz -2dbfs FFT no load
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Additional Information
| Color | 9038D6K |
|---|---|
| Bundle | Bundle 1 |
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