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4
Drachenfels D – S/PDIF and TOSLINK DAC
Functional description
EN
Connections on the rear panel of your Lehmannaudio
Drachenfels D headphone amplifier.
Digital in
1
2
1 | Digital RCA Input
Tethered input to connect a digital source. This input has priority II: as soon as
a carrier signal is recognised, the converter will put it through to the amplifier
when no signal is present at the optical input. There will be no verification if
audio content is actually transferred.
2 | Optical Input (TOSLINK)
Optical input to connect a digital source. The device connected here is auto-
matically prioritised (priority I). Which means that as soon as a carrier signal is
recognised, the converter will put this signal through to the amplifier. There will
be no verification if audio content is actually transferred.
3 – 4 | Audio connections
For information on these connections, refer to the operating manual of your
Drachenfels headphone amplifier/streaming preamplifier on page 44.
5 | Connector for external power supply
This socket is used to connect the power supply included with the Drachenfels.
Further information can be found in the manual of your Drachenfels.
24 V DC
R
in
l
R
OUt
l
-
+
3
4
5
Note
The Drachenfels D can process only two-channel LPCM digital audio
signals (e. g. stereo PCM). A Dolby Digital 5.1 or DTS signal cannot
be decoded as it will not be recognised. If you want to link a Blu-ray
player or a similar surround-capable device via digital connection,
please make sure to set this source unit to two-channel PCM.
Technical specifications
Digital Inputs
1 x TOSLINK (priorised)
≠
1 x RCA 75 Ohms
≠
Sampling rate digital
32 kHz; 44.1 kHz; 48 kHz; 88.2 kHz; 96 kHz; 192 kHz
Resolution
24 Bit
Chipset
ESS Sabre K2M
Analog filter
Silver Mica
Max. output voltage
1.8 V eff.
DAC
Special feature
Automatic fallback to analog if no digital audio
signal is present
S/PDIF and TOSLINK DAC – Drachenfels D
capacitors
5
EN
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