C1.2 User Manual
11
3.1 ETHERNET-IN HD
This board connects the C1.2 to the dedicated audio network and allows you to stream music and/or locally
stored files as well as access the CH Control app, which allows you to adjust or set any system parameter from a
compatible Android tablet. It converts the C1.2 into a network renderer capable of playing local audio files from
a UPnP/DLNA server (such as a NAS), music from online streaming services (such as Tidal or Qobuz), as well
as music from a Roon server, all of it through a single physical connection to a local area network. Connection
should be to the dedicated audio system, internet connected Ethernet switch and that switch should be placed
as close to the system as possible. There is an increasing number of audiophile grade Ethernet switches and
cables available and these will make a significant contribution to the sonic and musical quality of file replay.
Please speak to your dealer about the best hardware solution for your system and situation. For information
regarding format and data rate compatibility, please see the relevant section of the C1.2’s specifications (p36).
There is also a USB type A connector on the ETHERNET-IN HD board. This is NOT enabled for USB file replay and
serves only as an access point for Firmware upgrades, using the supplied USB stick. To allow USB audio replay,
you need to specify/fit the optional USB-IN card for your C1.2 (please see below).
3.2 CONTROL BOARD
If the C1.2 is not fitted with the ETHERNET-IN HD board, then the CONTROL BOARD will be fitted instead. This
also carries an Ethernet socket, but in this case it is to allow connection to the CH Control app via the system
control network, which allows remote control of all system parameters via a compatible Android tablet. Each
C1.2 will have either an ETHERNET-IN HD board OR a CONTROL BOARD. It is not possible to mount both. Once
again, CONTROL BOARD includes a USB type A socket to enable Firmware upgrades using the supplied USB
stick. It does NOT facilitate USB file replay.
3.3 DIGITAL-IN HD
Your C1.2 comes factory fitted with one DIGITAL-IN HD board. This gives you connections for balanced digital
(AES/EBU on XLR), coaxial digital (S/PDIF on RCA), optical (TosLink) and our proprietary CH-LINK HD high-
resolution digital input. You can connect multiple sources simultaneously and the C1.2 allows you to switch
between them. The CH-LINK HD can be used to accept high-resolution data from a similarly equipped source,
such as native DSD or MQA from SACDs or MQA-CDs played on the D1.5 transport. If you need additional digital
inputs, you can mount another DIGITAL-IN HD board (or even two) in the C1.2’s option slots – please see below.
For information regarding format and data rate compatibility, please see the relevant section of the C1.2’s
specifications (p36).
3.4 Positioning and number of optional input boards
The two slots to the left of the factory-fitted DIGITAL-IN HD board can be used to install selected, optional
inputs. These options can be chosen from the DIGITAL-IN HD (should you require additional digital inputs), the
USB-IN and ANALOG-IN, in any combination of the three. Alternatively, one or both of the option slots can be
left for later use, in which case they will be covered with a blanking plate.
