Shape your Sound with SEM2
SEM2 is an Interchangeable All-in-One module for the SE180
Shape your Sound with the Asahi Kasei AK4497EQ Dual DAC SEM2
Give your SE180 a different sound than the bundled module
SEM2 supports up to 32bit/768kHz / Native DSD512
Next Generation Advanced AMP Technology
Next generation AMP technology is also applied in the SEM2 all-in-one module.
From the selection of OP-AMP parts, to circuit design, board layout and tuning, everything has been completely redesigned to produce the best sound.
Even with a high output, the signal-to-noise (SNR), one of the important measurements of audio performance, boasts an amazing 127dB (based on AK4497EQ Dual, Balanced, High Gain).
General Specifications
Body Material: Aluminum, Stainless Steel, Polycarbonate
Sample Rate:
PCM : 8kHz ~ 768kHz (8/16/24/32bits per Sample)
DSD Native: DSD64(1bit 2.8MHz), Stereo / DSD128(1bit 5.6MHz), Stereo / DSD256(1bit 11.2MHz), Stereo / DSD512(1bit 22.4MHz), Stereo
Output:
Unbalanced Out (3.5mm), Balanced Out (2.5mm, only 4-pole supported / 4.4mm, only 5-pole supported)
Output Level:
[Normal Gain] Unbalanced 2Vrms / Balanced 4Vrms (Condition No Load)
[High Gain] Unbalanced 3Vrms / Balanced 6Vrms (Condition No Load)
DAC: AKM AK4497EQ x2 (Dual DAC)
Decoding: Support up to 32bit / 768kHz Bit-to-Bit playback
Dimensions:
3.03"(77mm)[W] x 2.99"(76mm)[H] x 0.78"(19.9mm)[D]
Operating Temperature: 0℃ ~ + 40℃ (32℉~ 104℉)
Playback Time: about 10.5hours (FLAC, 16bit, 44.1kHz, Vol.50, LCD Off)
Audio Performance
Frequency Response:
±0.07dB (Condition : 20Hz~20kHz) Unbalanced / ±0.06dB (Condition : 20Hz~20kHz) Balanced
±0.68dB (Condition : 20Hz~70kHz) Unbalanced / ±0.67dB (Condition : 20Hz~70kHz) Balanced
Signal to Noise Ratio:
[Normal Gain] 122dB @ 1kHz, Unbalanced / 124dB @ 1kHz, Balanced
[High Gain] 125dB @ 1kHz, Unbalanced / 127dB @ 1kHz, Balanced
Crosstalk :
[Normal Gain] -138dB @ 1kHz, Unbalanced / -145dB @ 1kHz, Balanced
[High Gain] -138dB @ 1kHz, Unbalanced / -147dB @ 1kHz, Balanced
THD+N :
[Normal Gain] 0.0006% @ 1kHz, Unbalanced / 0.0005% @ 1kHz, Balanced
[High Gain] 0.0008% @ 1kHz, Unbalanced / 0.0006% @ 1kHz, Balanced
IMD SMPTE :
0.0002%, 800Hz 10kHz (4:1), Unbalanced / 0.0002%, 800Hz 10kHz (4:1), Balanced
Output Impedance :
3.5mm (1ohm) / 2.5mm (1.5ohm) / 4.4mm (1.5ohm)
