Soekris dac1541 - Soekris dac1541 Front Panel Controls; Front Panel Buttons; Front Panel LED Indicators; Clip Indicator Functionality

Soekris Engineering ApS dac1541 Users Manual
www.soekris.dk 5 July 2017
dac1541 front view
“POWER” button: Main power switch.
The LED’s on the front indicates input sample rate, input source, crossfeed setting, anti-aliasing
filters selected, selected output and a clip indicator.
When input is Linear PCM audio
When input is DSD or DoP audio
PCM 44 Khz
“44” LED on
DoP/DSD-64
“DSD” on
PCM 48 Khz
“48” LED on
DoP/DSD-128
“DSD” and “X2” on
PCM 88/96 Khz
“X2” LED on
DoP/DSD-256
“DSD” and “X4” on
PCM 176/192 Khz
“X4” LED on
PCM 352/384 Khz
“X8” LED on
“CLIP” indicator: Will blink when the DAC output signal is clipping. You should not turn the
volume knob higher than to where the red “CLIP” LED will not blink.
“INPUT” button: Select between the possible input source and an automatic mode, which is the
default at power up.
“XFEED” button: Select the Crossfeed mode for Headphones, it’s only active when using the
Headphones. The Crossfeed function is used to make the stereo image smaller, to make it sound
more like the stereo image from speakers.
“XFEED” LED color shows the current crossfeed mode selected for the headphones
Off
Crossfeed circuit disabled
Green
Small Crossfeed, -12 dB sent to other channel
Orange
Medium Crossfeed, -8 dB sent to other channel
Red
Large Crossfeed, -5 dB sent to other channel
“FILTER” button: Select between the different anti-aliasing filters. Hold for minimum 4 seconds
to store the current volume level, crossfeed setting and anti-aliasing filter selection, one setting for
Line Out and one setting for Headphones Out, the filter setting is common for both.
“FILTER” LED color shows the current anti-aliasing filter selected
Red
Linear Phase filter, also called brickwall filter
Orange
Mix between Linear and Minimum Phase filter
Green
Minimum Phase filter, also called butterworth filter
Off
Soft Minimum Phase filter, a soft butterworth filter