Datasheet

© 03/2017 | Technical changes without notice. | RTW GmbH & Co.KG | Am Wassermann 25 | 50829 Köln | Fon +49 221. 70 913-0 | Fax [phone] | [e-mail] | www.rtw.com8
ATTENTION! - TM3-Primus and TM3-Pri-2U can be operated either via connection directly from a computer or
via mains adapter. For this, TM3-Primus and TM3-Pri-2U require appropriate USB mains adapters and USB connection
cables. RTW recommends the use of the approved USB cables and the approved wide voltage USB power supplys inclu-
ded in the TM3-Primus and TM3-Pri-2U packages.
S/PDIF Out
(RCA, unbal.)
S/PDIF In
(RCA, unbal.)
Analog In R
(RCA, unbal.)
USB 2.0 Micro-B for:
• Power supply
• Audio input
(if connected to a computer,
a special Primus USB driver is
required, see Specifi cations)
Potentiometers for adjustment of
the analog input sensitivity for
0 dB reading (61 mV to 12.28 V)
NOTE – Do not disadjust, if not
absolutly necessary.
The unit has been calibrated at
RTW and offers software calibra-
tion for analog 0 dB adjustment.
Please read chapter “Calibrati-
on” in the manual before per-
forming adjustment changes!
Analog In L
(RCA, unbal.)
or:
• Power supply only
(if USB mains adapter is
used)
It is recommended to use the USB connection cable
and USB mains adpater included in the package!
The S/PDIF input is permanently
terminated with 75

Shield/Chassis Signal
(Pin Assignment RCA connectors)
Connection
Signal lines with RCA con-
nector shall have a ferrite
core at the end being con-
nected to TM3-Primus and
TM3-Pri-2U.
The image shows the connectors of TM3-Primus as
an example. TM3-Pri-2U‘s connectors are identical.