ALLNIC AUDIO D-5000 DHT, Owner'S Manual, Page: 12 / 21

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The USB input accommodates:
• DSD 64, DSD 128
• PCM 44.1 KHz, 48 KHz, 88.2 KHz, 96 KHz, 176.4 KHz, 192 KHz, 352.8 and 384 KHz.
Please note that the digital inputs and the customized S/PDIF receiver accommodate rates up
to 192 KHz (so long as the source is of sufficiently high quality). However, because it utilizes a
non-PLL digital receiver for lower noise, users may find occasionally that some signals over 96
KHz may be problematic, particularly with the optical/Toslink input. Users may mitigate this
problem with appropriate down-sampling at the source.
From this point on, operation is straight-forward. All functions can be accessed from the front
panel. The button “in” position makes the selected function “active”, and the associated LED/LEDs
will illuminate. The button “out” position means the function is inactive; the associated LEDs will
not be illuminated. The desired input is selected by rotating the knob on the right of the D-5000
DHT’s front panel clockwise and counter-clockwise, (See Figure 1) or by using the appropriate part
of the remote control (See Figure 4 and the section “The Remote Control” below).
DSD Playback and “CONV” (Conversion to DSD)
In the case of playback of a native DSD signal from the source, the D-5000 DHT employs DSD over
PCM (“DOP”). The user should set up the source software to output for the DOP standard.
Whenever the D-5000 DHT is used to playback DSD files, the DSD LED indicator will illuminate, as
well as the LED indicator for one or the other of the 176/192 or 352/384 sample rates, indicating
the DSD rate. The 176/192 indicator means the input signal is DSD 64, and the 352/384 indicator
means the input signal is DSD 128. During playback of a native DSD signal from the source, the
"CONV" and "UPSAMPLE" buttons are not used.
The button labelled “CONV” is used to implement real-time conversion to DSD (See Figure 1). The
LED indicator for CONV illuminates when CONV is selected (this will occur even when playing a DSD
file and CONV is selected; however, in that case, no conversion is occurring). You may notice that
gain in the DSD conversion mode is slightly lower than that in the source input sample rate and up-
sampling modes. This is normal and is compensated for by adjusting your volume control.
Please note that the DSD indicator light has two meanings; it indicates either that the D-5000 DHT is
playing a native DSD signal from the source, OR that conversion to DSD has been selected by the
user.
PCM Playback and UPSAMPLE
When the D-5000 DHT is playing a PCM signal from source, the appropriate LED indicator for the
source sample rate will illuminate.
Please note that some high sample rate PCM signals may carry background white noise in addition
to the audio; this is because many freely distributed high resolution PCM files are generated using
either a software or hardware up-sampler that is not of sufficiently high quality. It is recommended
that, if possible, the source software or device is used to down-sample such signals to improve the
sound quality.