Sound Leisure D2 Bedienungsanleitung
D2 / D4 Amplifier
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D2 Specification
•2 x 200W rms Outputs (rated into a 4Ωspeaker system)
•Independent EQ control on each Channel
•3 Stereo audio inputs (1 Jukebox and 2 Auxiliary)
•1 dedicated microphone input
•Karaoke or Voiceover microphone setting
•Slave input and Line output
•Simple 4 button interface with LCD display
•Full fault protection with visual feedback
•Highly efficient Class D amplifier design
WARNING : THIS AMPLIFIER RUNS ON A 240V SUPPLY. TURN MACHINE OFF
PRIOR TO REMOVING THE AMPLIFIER OR COMMENCING ANY WORK
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D4 Specification
•4 x 60W rms Outputs (rated into a 4Ωspeaker system)
•Independent EQ control on each Channel
•3 Stereo audio inputs (1 Jukebox and 2 Auxiliary)
•1 dedicated microphone input
•Karaoke or Voiceover microphone setting
•Slave input and Line output
•Simple 4 button interface with LCD display
•Full fault protection with visual feedback
•Highly efficient Class D amplifier design
WARNING : THIS AMPLIFIER RUNS ON A 240V SUPPLY. TURN MACHINE OFF
PRIOR TO REMOVING THE AMPLIFIER OR COMMENCING ANY WORK
Connecting Speakers
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Each channel can take a minimum load of 4Ω.
Resistances higher than this can be used but the output power will be reduced.
Resistances lower than this may cause the amplifier to enter a fault condition.
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The following diagrams show different speaker configurations:
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Each channel on the speaker matching pad should be connected independently. Under
no circumstances should a single ground line be used to connect all the speakers back
to the pad, doing so will cause the amplifier to enter a fault condition.
Auxiliary Inputs
The amplifier can be used to play audio from auxiliary sources when the Jukebox is idle.
To interface correctly with the amplifier the sources should output at least a line level
(1Vpp) stereo signal.
The amplifier has 2 stereo auxiliary inputs which are prioritised, this allows automatic
switching between sources without the need for an external switch box.
Auxiliary 1 has priority over auxiliary 2
If sources are connected to both inputs only auxiliary 1 will be heard
If the source connected to auxiliary 1 is turned off the amplifier will switch to auxiliary 2
If the source connected to auxiliary 1 is turned on again the amplifier will switch back to
auxiliary 1
Using the menu system a switch over time between 2 and 60 seconds can be set for the
auxiliary inputs. This is the time that an auxiliary signal must be present before the
amplifier will switch to it.
The display will show a count down when the amplifier is preparing to switch inputs.
Microphone Input
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The amplifier has a dedicated microphone input that is setup to accept a low impedance
(~600Ω) passive microphone. Active or wireless microphones can be used but any
external gain controls should be set low.
Line Output
The amplifier provides a stereo line level audio output for connection to other amplifiers,
if required the microphone signal can be output separately.
Slave Input
If 2 D2 or D4 amplifiers are used together a special link between the Line Output of the
first amplifier and the Slave Input of the second amplifier can be made. This link will
configure the second amplifier as a slave and adjust all internal settings accordingly.
Features which can not be used on a slave amplifier, such as the auxiliary inputs, will be
hidden.
Using the Amplifier
By default the amplifier LCD display will show the active input along the top line and the
Remote Volume Control (RVC) level along the bottom line.
On the D4 amplifier, the display will show the RVC level for channels 1 and 2 for 10
seconds and then show the RVC level for channels 3 and 4 for 10 seconds.
To change the settings on the amplifier a simple 4 button system is used.
Pressing the Menu Up button or the Menu Down button will cycle through the different
menus, using the + or – buttons will increment or decrement the current menu.
The display will return to its default state, showing the active input and RVC levels, if no
buttons are pressed for 1 minute. When the display returns to this state any changes to
the menus will be saved.
Menu Description
The following is a list of the different menus and their functions:
Channel 1 Stereo Mono Switch (Shown as Channel 1/3 on the D4)
This menu is used to set the amplifier in Stereo or 2 channel Mono
For most installs the amplifier should be left in Mono which will give independent control
of each channel.
If the appropriate speakers are installed the amplifier can be used in stereo, all settings
for channel 2 will now be taken from channel 1 and the volume for both channels will be
controlled from a single RVC control.
On the D4 amplifier channels 3 and 4 are also linked as a stereo pair.
If the amplifier is set in stereo all controls for channel 2 are hidden, on the D4 amplifier
this applies to channel 3 as well.
Menus 2 to 6 are repeated for each channel, the top line of the display will show which
channel is currently selected.
Channel Master
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This menu sets the maximum volume level that can be achieved with the RVC.
To set this level, reduce the value to around 50% and turn the RVC to full. With a song
playing gradually increase the value until the maximum volume required in that area is
reached. Once this value is set the RVC can be used to control the volume from MUTE
up to the value set by this menu.
Channel Bass
This menu sets the Bass Equalizer of the current channel.
It can provide a cut or boost of 15dB.
Channel Middle
This menu sets the Middle Equalizer of the current channel.
It can provide a cut or boost of 15dB.
Channel Treble
This menu sets the Middle Equalizer of the current channel.
It can provide a cut or boost of 15dB.
Channel Microphone Volume
This menu sets the Microphone Volume of the current channel it is independent of the
RVC level.
Setting this menu to MUTE will stop the microphone working on this channel.
Aux Input 1
This Menu sets the master volume level for Auxiliary Input 1.
It should be set using the same method outlined in menu 2.
Aux Input 2
This Menu sets the master volume level for Auxiliary Input 2.
It should be set using the same method outlined in menu 2.
Aux Input Time
This menu sets the time that an auxiliary input must be present before the amplifier will
switch to it.
The value can be between 2 and 60 seconds.
Microphone Bass
This menu sets the Bass Equalizer of the Microphone Input.
It can provide a cut or boost of 10dB.
Microphone Middle
This menu sets the Middle Equalizer of the Microphone Input.
It can provide a cut or boost of 10dB.
Microphone Treble
This menu sets the Treble Equalizer of the Microphone Input.
It can provide a cut or boost of 10dB.
Microphone Voiceover / Karaoke
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If Voiceover is selected whenever the microphone is used the music will be muted, the
music will un-mute when the microphone is no longer being used.
If karaoke is selected the music and microphone will be heard together.
Line Out Master
This menu sets the volume level of the Line Output, it is independent of the RVC level.
Line Out Microphone Volume
This menu sets the volume of the microphone sent to the Line Output
Line Out Voiceover / Karaoke
If Voiceover is selected whenever the microphone is used the Line Out music will be
muted, the music will un-mute when the microphone is no longer being used.
If karaoke is selected the Line Out music and microphone will be heard together.
Troubleshooting
The following faults may be shown on the amplifier display:
No Display
Ensure the amplifier power lead is
connected and the Jukebox is
switched ON
No Sound
Ensure speakers are connected
correctly and the amplifier is showing
an input is active.
Ensure the RVC level is not showing
MUTE
Sound Cutting Out
When the sound cuts out check which
fault is shown on the amplifier display,
compare to the list below
Auxiliary not working
Ensure the auxiliary source level is at
least 1Vpp and that the auxiliary
volumes are not set to minimum
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Over Current
This refers to an amplifier channel drawing more current than it should and will result in
the audio cutting in and out. Check the speaker impedance is above 4 Ωand that there
are no shorts on the speaker line.
Over Temperature
This indicates that an amplifier module has reached its temperature threshold and has
shutdown to prevent damage. Check the fans in the Jukebox are clean and working.
Low Voltage
The mains supply to the amplifier is below 200V AC (in the UK) and the amplifier has
shutdown. The Jukebox will not work reliably at this voltage level, increase the voltage to
the standard 235V AC.
If the Jukebox has been modified to run on a 110V supply the low voltage level is around
95V AC.
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ENGINEER’S NOTES
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IMPORTANT SAFETY INSTRUCTIONS
▫This appliance must be connected to a mains socket with a protective earth connection.
▫The mains plug is the designated ‘disconnection device’ and as such should be readily
operable.
▫It must not be placed near to a radiator, heat source, or direct sunlight.
▫Naked flame sources such as lighted candles must not be placed upon it.
▫This appliance should not be exposed to dripping, splashing or have objects containing liquid
placed upon it.
▫Wall mounted appliances must be securely fixed to the wall in accordance with the installation
instructions contained in this manual. The wall needs to be flat and solid, a minimum of 4
rawl bolts is advised, because of the weight.
▫Fuses should be replaced like for like at all times.
▫Terminals marked with the symbol below are considered hazardous live and external wiring
connected to these terminals requires installation by an instructed person or the use of ready
made contact leads.
WARNING : THIS AMPLIFIER RUNS ON A 240V SUPPLY. TURN MACHINE OFF
PRIOR TO REMOVING THE AMPLIFIER OR COMMENCING ANY WORK
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