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PCM filter
1
L-FAST
is a
L
digital filter and is the most accurate and neutral acoustically.
H-FAST
is a
H
and more consistent than the length of the post-ringing which is more like
musical instruments.
M-SLOW
is a
a t t e n u a t i o n c h a r a c t e r i s t i c s , a n d b e c a u s e o f i t s i n - b a n d a t t e n u a t i o n
characteristics, it has a smoother overall sound.
Each filter has an objective (measurable) and subjective (audible to most) affect
on the sound. We encourage people to audition all three filters to determine
the one that sounds the best to them. Most people will experience the
differences in high-frequency reproduction where they are more readily
heard. There is no "right" or "wrong" answer here, its all about personal
preference, room acoustics and the characteristics of your speakers...
NOS MODE
2
ON
bypasses the oversampling feature in the DAC, sending the original digital
signal straight to the modulator. This mode is
experiment with any software-based oversampling features in products like
Roon, etc.
OFF
BT POWER
3
BT INPUT
powers up internal Bluetooth radio only when the unit is on and the
Bluetooth input is selected.
powered up regardless of input selection.
VOLUME
4
DIGITAL
uses a high-quality digital audio volume attenuator.
HYBRID
uses a high-quality analog resistor ladder in conjunction with a digital
audio attenuator to ensure optimal performance over the entire volume range.
There may be some clicking sounds from inside the unit when the relays switch
as well as some audible noise through the speakers or headphones at certain
level changes. This is normal and expected behavior for this type of volume
control and will not cause any harm.
DISPLAY
5
ALWAYS
keeps the display on whenever the unit is on.
AUTO OFF
turns the display off after several seconds.
BRIGHTNESS
6
Sets the brightness of the front panel display.
inear phase
FAST
ybrid
FAST
roll-off filter. The length of the pre-ringing is shorter
M
inimum phase
engages the 8x oversampling feature in the DAC.
ALWAYS
MENU
roll-off filter. It is the most common type of
SLOW
roll-off filter. It has smooth out-of-band
keeps the internal Bluetooth radio
8
is the brightest,
11
useful
if
you
1 is the dimmest
want
to
.
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