66.A.C. power input socket and fuse.
Use only the A.C./mains cable provided and check the product is suitable for use on your local supply.
See technical specification for fuse rating.
67.A.C. POWER switch
Turns on and off your Horizon
68.+48V PHANTOM POWER switches
Individual switches to 48V in two banks: mono and stereo input channels. Selection is confirmed when
LEDs (41) on the front panel Illuminate.
Caution: Before switching on or off the +48V, ensure all faders are at minimum travel to prevent loud clicks or
thumps getting to speakers as it could damage them.
Only use the +48V on the channel banks that require it (ie when using condenser microphones).
69.SPEAKER OUTPUT sockets.
For the connection of speaker cables via 2pole or 4 pole industry standard connectors.
Warning: the minimum speaker load is 4 ohms. Loads lower than this must not be used.
70.Cooling fan.
The speed of the fan is determined by the power or volume being used. When no signal or low power is used the
fan runs at minimum speed for low noise operation. Do not obstruct the fan grille.
General hints and tips.
Using the vocal compressor is a great way to add a professional edge to your performance although don't be
tempted to over compress your voice as it will sound very 'squashed' and lifeless. Also due to the way all
compressors work they do add gain to the channel. This can show up in the form of feedback so be aware of
the speaker positions to your microphone.
The DSP effects built into the Horizon have been developed by Studiomaster over a number of years as the
most suitable for live vocals. Generally most users find VOCAL1 the best all round setting as it combines a
quality reverb with a delay giving a big effect. Keep it subtle by not adding too much of the effect as swamping
your voice with reverb will not only make it sound distant but also lose some of its character.
You may have noticed following the setting up of each channel that we set the fader to the '0' position each time.
This is for a reference point and in use you will choose to position the channel faders to achieve the best blend
or mix of the different inputs.
The NOTCH FILTER although a very effective tool should be used alongside all the other feedback reduction
techniques such as monitor speaker placement, working volume levels, microphone placement & type etc.
Always position the PA speakers in front of any microphones. This will help achieve a high volume level before
feedback problems occur.
A common problem when setting up a PA is the vocal mic(s) picking up not only your voice but other sound sources
on the stage like drums, guitars etc. A uni-directional mic, such as the Studiomaster KM range, picks up the majority
of sound from the front, much less from the sides and very little from the rear. This gives better isolation from
sounds either side of the performer and good sound rejection when using monitor speakers. The vocalist should
avoid standing in a position with loud sound sources directly behind them, such as a drum kit, as it will be difficult
to avoid picking up this sound along with their vocal.
When setting up the mix, concentrate on getting a clear vocal sound which is above the level of the backing
instruments. Avoid the singer 'competing' with the other instruments or backing track otherwise clarity will
suffer and the singer will have to work a lot harder to be heard.
The AMP POWER switch in normal use would be set to 100% so you can set the volume level to the performance
requirement. The Horizon contains two heavy duty amplifiers that can be driven continuously at maximum
output ie. the red 1000W LEDs on the AMP bargraphs briefly flashing. However, when working at lower volume
levels, the L-R MIX faders will appear very sensitive as small adjustments will increase the volume levels
significantly. By setting the AMP POWER switch to a lower level 40% or 15% you will find the MIX faders are
much easier to make subtle volume changes.
Cleaning your Horizon
Switch off your Horizon and remove the A.C. power cord / mains lead.
Wipe the external surfaces with a damp cloth.
Visually check the fan grille on the rear panel and the air intake below the faders for dust and dirt build up.
If build up has occurred or they appear blocked, use a vacuum cleaner with suitable nozzle to remove.
Keep all connectors and sockets dry and do not use harsh or abrasive cleaning agents and solvents
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64.INSERT L-R sockets
¼”
TRS jack socket.
Insert point enabling the signal to the L-R MIX output and the internal amplifiers to be routed to an external
processor (such as a program limiter, 1/3 octave graphic equaliser) and returned. The signal to the socket is
sourced after (post) the L-R MIX faders and the GEQ.
65.L-R MIX OUTPUT
3 pin Male XLR
MIX output providing connection to additional amplifiers or for zoning to powered speakers.
The signal is compatible with balanced or unbalanced connections.
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Содержание Horizon 2012
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