4
Drachenfels USB – USB DAC
Functional description
EN
Connections on the rear panel of your Lehmannaudio
Drachenfels USB headphone amplifier.
1
1 | USB input (stereo)
USB port (type B) for linking a computer to the USB port. Normally this requires
no driver setup since the Drachenfels USB is recognised as an external audio
device. If the USB port receives no audio signal, the amplifier will automatically
switch to the analog input.
2 – 3 | Audio connections
For information on these connections, refer to the operating manual of your
Drachenfels headphone amplifier/streaming preamplifier on page 44.
4 | 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
-
+
2
3
4
Technical specifications
Digital Inputs
1 x USB B
Sampling rate digital
up to 384 kHz
Resolution
up to 32 Bit
Formats
PCM, DOP 128, FLAC, MP3, WAV
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
USB DAC – Drachenfels USB
capacitors
5
EN