M2TECH JOPLIN MKIII, User Manual

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JOPLIN MKIII
384
k
H
z
/32bit ANALOG-TO-DIGITAL CONVERTER
REVISION P
R
A – APRIL 2019
Copyright © 2019, M2Tech Srl
35
M2Tech
www.m2tech.biz

OFF: the I2S output is disabled.
 44.1/48, 88.2/96,176.4/192, 352.8/384, 705.6/768: PCM is delivered at one of the
two frequencies indicated, depending on the selected sample frequency set by the
related menu item;
 DSD64, DSD128, DSD256: DSD is delivered;

Bypass: PCM is delivered at the same sampling frequency as set by menu.
When delivering PCM, the actual sampling rate depends on the base sampling rate as set
by menu (see 8.3.3): as an example, if the user sets the sampling frequency at 176.4 kHz
(which is a multiple of 44.1 kHz) and then the I2S output to 88.2/96, then the I
2
S output
will deliver PCM @ 88.2 kHz, because 88.2kHz is a multiple of 44.1kHz, too. If the user
changes the base sampling frequency to 192kHz (which is a multiple of 48 kHz), the I
2
S
output will deliver PCM @ 96kHz, because 96 kHz is also a multiple of 48 kHz. It is not
possible to obtain PCM @ 88.2 kHz when the base sampling frequency is a multiple of
48kHz and vice versa.
8.3.12. I
2
S output auxiliary pins mode
The I
2
S output of the
Joplin MKIII
also delivers additional information about the format to
help the DAC to set itself properly. Not all DAC’s use these information, but in case they
are needed, they can be set to fit different standards adopted by various DAC
manufacturers:
 PS Audio;

HiFiMe;
 Gustard;

JAVS;

Sonore;
 M2Tech;

LKS;

Singxer;
Note. The option labelled “M2Tech” is not really used in any M2Tech product with
I2S input (M2Tech uses PS Audio standard): this is actually a guess of what SMSL is
supposed to use.
8.3.13. Remote sensing
The JOPLIN MKIII uses the same remote control as the discontinued
Young DSD
. In the
unlikely event in which both models are used at the same time, this would lead to
troublesome operation. As the
Joplin MkIII
is generally set for the used cartridge and its
setting is seldom changed afterwards, it is useful to disable its remote reception so that the
remote can be used to control the
Young DSD
instead.
Of course, remote sensing can also be disabled by remote, but to re-enable it the front
panel controls must be used.