Connectivity / DSP
- Do I need all cables sent with the system connected at all times?
- Can I use either analog or digital outputs from my sound source?
- Should I use S/P-DIF or AES/EBU signals?
- How do I connect a 7200 Series DSP subwoofer to an analog source?
- How do I connect a 7000 Series subwoofer to an 8200 Series DSP loudspeaker?
- Can I use standard CAT5, CAT5e, or CAT6 Ethernet cable with DSP products?
- Can I connect the 8200 Series DSP loudspeakers to an Ethernet network and control them from another room?
- How do I connect a USB audio output?
- How do I connect my 8200 Series DSP loudspeakers to my DAW software?
- Are all channel pairings known?
- What happens if the audio standard and/or the network protocol changes?
- How do I connect the audio cables to a system with a subwoofer?
Do I need all cables sent with the system connected at all times?
No. The only cables that MUST be connected are the AES/EBU signal and mains power cables. The DSP system can be used in Stand-alone Mode and may be setup in two ways:
- The system is setup using the controls on the 8200 back panel and 7200 connector panel. The GLM Control Network is not required in this case (Stand-alone – Manual Controls mode).
- The system is setup using the GLM and, using the GLM Control Network, the parameters uploaded to the loudspeakers’ internal memory. Once this is done the network may be disconnected (Stand-alone – Stored Controls mode).
In both cases, GLM control of mutes, groups and other functions is not possible and volume control must be done at the source.
The USB cable, GLM Network Interface and the network cables only needs to be connected if the monitoring system is being run in Network Control mode with the GLM
The Genelec 8200A Calibration Microphone and measurement signal cable only needs to be connected when AutoCal is being run.
Can I use either analog or digital outputs from my sound source?
For the 8200 Series loudspeakers, analog signals are connected to the analog input and AES/EBU signals are connected to the digital audio input. These signals are not mixed as a valid digital signal clock forces the digital input takes precedence over analog input.
For the 7200 Series DSP subwoofers, analog signals cannot be connected as there are no analog inputs. If the signal type is analog, 7000 Series subwoofers must be used. Alternatively, it is possible to use an 8-channel analog-to-digital converter in front of a 7200 DSP subwoofer.
Should I use S/P-DIF or AES/EBU signals?
The digital inputs can be connected to AES/EBU signals. S/P-DIF and AES 3-id signals may be used with restrictions applying to impedance converters.
How do I connect a 7200 Series DSP subwoofer to an analog source?
The only way to connect an analog source to a 7200 DSP subwoofer is to use an 8-channel analog-to-digital AES/EBU (AD) converter. There are a number these available at different price points on the market. Alternatively, use an analog 7000 Series subwoofer and the analog inputs on the 8200 Series loudspeakers.
How do I connect a 7000 Series subwoofer to an 8200 Series DSP loudspeaker?
An analog 7000 Series subwoofer can be connected to an 8200 Series DSP loudspeaker using analog signals.
Can I use standard CAT5, CAT5e, or CAT6 Ethernet cable with DSP products?
Yes. The GLM network uses standard Ethernet cables to connect together all the loudspeakers and subwoofers on the network. The data rate used in the GLM Control network is low by Ethernet standards and is therefore an easy signal to transmit reliably.
The difference between the CAT cable types is the maximum transmission data rate: CAT5 is rated to 100M, CAT5e is rated to 350M, CAT6 and CAT6e are rated to 550M or 1000M depending on the source, and CAT7 is supposedly rated to 700M or presumably 1000M. Both CAT5 and CAT5e have 100 ohm impedance and electrical characteristics supporting transmission rates up to 100 MHz. There are some electrical differences between CAT5 and CAT5e: capacitance, frequency, resistance, and attenuation.
Can I connect the 8200 Series DSP loudspeakers to an Ethernet network and control them from another room?
No, do not connect the control network to an Ethernet signal. The Genelec DSP monitors can only be connected to the Genelec proprietary GLM network. It uses a proprietary communication protocol to ensure maximal integrity of communication to the loudspeakers and to remain fully insulated and secured from any public networks prone to traffic congestion, as well as to limit the range of access - we don’t want someone in another studio controlling your loudspeakers!
How do I connect a USB audio output?
The input connections to all Genelec DSP loudspeakers are XLR types supporting AES/EBU digital signals. A USB audio source can not be used as it does not support AES/EBU signal formatting.
How do I connect my 8200 Series DSP loudspeakers to my DAW software?
Use either AES/EBU digital outputs on the computer to the digital inputs of the 8200 Series loudspeakers or use analog outputs on the computer to the analog inputs on the 8200 Series loudspeakers. The appropriate subwoofer should be used depending on the signal type: analog = 7000 Series, digital = 7200 Series.
Are all channel pairings known?
The channels in each AES/EBU cable must be known before connecting up the system. This is normally the case in production studios. Note that different equipment and multichannel formats have different channel pairings and orders. To help avoid cabling mistakes, sticky cable labels are supplied in the GLM DSP Genelec Loudspeaker Manager package. We strongly encourage their use.
What happens if the audio standard and/or the network protocol changes?
Genelec is in control of the network protocol because it is a proprietary system. The network protocol has been in existence for over five years now and has proved to be very stable. Any changes to the network protocol are likely to be invisible to the user and would be implemented through updates to the GLM and firmware.
Professional audio standards do not change very often. AES/EBU has been around for many years, is widely used, and is robust. If a new audio standard becomes as widely accepted as AES/EBU then it will, of course, be considered.
How do I connect the audio cables to a system with a subwoofer?
First connect the audio cables to the subwoofer and then continue on to the loudspeakers.