Presonus ULT10, ULT15, ULT12, ULT18S Owner’s Manual
ULT-series
Loudspeakers
Owner’s Manual
®
www.presonus.com
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Table of Contents
1 Overview — 1
1.1 Introduction — 1
1.2 About This Manual — 1
1.3 Summary of ULT-Series Loudspeaker Features — 2
1.4 What is in the Box — 3
2 Getting Started — 4
2.1 Level Setting Procedure (Full-Range) — 4
2.2 Level Setting Procedure (ULT18) — 7
3 Hookup — 11
3.1 Rear-Panel Connections and Controls — 11
3.2 Onboard Performance Monitoring — 13
3.3 Power — 13
3.4 Hookup diagrams — 14
4 Loudspeaker Placement and System Configuration — 15
4.1 Recognizing Problem Rooms — 15
4.2 System configuration suggestions — 17
4.3 Rigging and Safety — 21
5 Technical Information — 24
5.1 Specifications — 24
5.2 Optional Accessories — 25
6 Troubleshooting and Warranty — 26
6.1 Support and Troubleshooting — 26
6.2 Warranty — 27
1 Overview
1.1 Introduction
1 Overview
1.1 Introduction
ULT-series
Owner’s Manual
Thank you for purchasing a PreSonus® ULT-series Active Loudspeaker. PreSonus
Audio Electronics has designed ULT-series Loudspeakers utilizing high-grade
components to ensure optimum performance throughout the life of your PA
system. The ULT-series loudspeakers are active PA speaker systems that provide
the widest horizontal dispersion in their class, thanks to the custom Pivot X110
horn. Compact and lightweight, they provide a powerful, professional sound
that makes them an ideal solution for mobile and install solutions alike.
We encourage you to contact us with questions or comments regarding
this product. PreSonus Audio Electronics is committed to constant
product improvement, and we value your suggestions highly. We believe
the best way to achieve our goal of constant product improvement is by
listening to the real experts: our valued customers. We appreciate the
support you have shown us through the purchase of this product.
For technical support, please see Section 6.1: Troubleshooting.
1.2 About This Manual
This manual covers hardware features and functions for every full-range
ULT-series loudspeaker (ULT10, ULT12, and ULT15) as well as the companion
ULT18 subwoofer. We suggest that you use the manual to familiarize
yourself with the features, applications, and connection procedures for
your ULT-series loudspeakers before trying to set up and operate them.
Except for Low Frequency Driver configuration and some technical specifications
(such as weight, frequency response, and maximum SPL), the features and
functions of all three full-range models are the same. In many respects, the
functions of the ULT18 are also the same. Whenever possible these features and
functions will be described for the entire line. Unless preceded by “full-range”,
the term “loudspeaker” will refer to every full-range model and the subwoofer.
Throughout this manual you will find Power User Tips highlighting
unique aspects of your ULT-series loudspeaker, as well as explanations of
various audio terms. In addition, you will find an assortment of tutorials
that cover the basics of room acoustics and speaker placement.
Thank you, once again, for buying our product. We are confident
that you will enjoy your ULT-series loudspeakers!
1
1 Overview
1.3 Summary of ULT-Series Loudspeaker Features
1.3 Summary of ULT-Series Loudspeaker Features
1.3.1 Full-range Models (ULT10, ULT12, and ULT15)
• 10” / 12” / 15” Woofer with 2.5” Voice Coil
• 1.75” diaphragm compression driver
• Worx designed waveguide Pivot X110 Horn for precise coverage
• Ultrawide 110˚ horizontal dispersion
• Tight 50˚ vertical dispersion for farther throw
• 3 presets plus high pass filter
• Maximum SPL 130 / 135 / 136 dB peak
• 65 Hz / 55 Hz / 52 Hz to 20 kHz frequency response
• Multi-angle enclosure for mains or monitor wedge application
• 1300-watt Class D power (150W x 500W continuous)
• Onboard mixer with two combo XLR and ¼” inputs; direct line
input channel output; and single summed balanced output
• Defeatable front-panel LED
• Rugged, texture-painted eucalyptus enclosures
• XMAX Preamp
• Rotatable horn for horizontal mains use
• Tour-grade 16 gauge steel grilles
• Comfortable ergonomic handles
• 35 mm pole sockets with 6˚ downward tilt
• M10 rigging points for suspended installation
• Locking IEC connection
ULT-series
Owner’s Manual
1.3.2 ULT18 Subwoofer
• 18” Woofer with 4” Voice Coil
• 7mm driver travel before over-excursion
• Extended Bass preset
• Polarity Invert
• Onboard fully Variable Low Pass filter lets you dial in upper frequency limit
• Maximum SPL 135 dB peak
• 35 Hz to 150 Hz (variable) frequency response
• 2000-watt Class D power (2 × 500W continuous)
• Stereo Combo XLR and ¼” inputs with direct outputs
• Mono Mode sums both inputs to both outputs
• Defeatable front-panel LED
• Rugged, texture-painted eucalyptus enclosures
• Tour-grade 16 gauge steel grilles
• Comfortable ergonomic handles
• Locking IEC connection
2
1 Overview
1.4 What is in the Box
1.4 What is in the Box
In addition to this manual, your ULT package contains the following:
• (1) ULT10, ULT12, ULT15, or ULT18 Loudspeaker
ULT-series
Owner’s Manual
• (1) Locking IEC power cable
3
2 Getting Started
2.1 Level Setting Procedure (Full-Range)
2 Getting Started
Before you begin, here are a few general rules of thumb:
• Always make sure your loudspeakers are powered off when making connections.
• Do not allow your inputs to clip. Watch the Clip LED on the back of your
loudspeaker. When this LED illuminates, it indicates that the analogto-digital converters are in danger of being overdriven. Overdriving
the converters will cause digital distortion, which sounds terrible.
• Your full-range loudspeaker provides both attenuation and boost
for the line inputs. The center detent is the unity gain setting. This is
the recommended starting point for gain-staging your system.
Your PA and studio equipment should be powered on in the following order:
1. Sound sources (keyboards, direct boxes, microphones,
etc.) connected to your mixer
2. Mixer
3. ULT-series Loudspeakers
When it’s time to power down, your system should be turned off in the reverse order.
Now that you know what not to do, let’s get some audio going! The following
level-setting tutorials cover best practices that can be applied to nearly every
application. The first tutorial covers level setting for the full-range models
only; the second tutorial describes proper level setting for a system that
includes one ULT18 subwoofer and two full-range ULT-series loudspeakers.
ULT-series
Owner’s Manual
2.1 Level Setting Procedure (Full-Range)
1. With the power switch in the Off position, connect the locking IEC plug to
the IEC socket connection on the back of the loudspeaker and plug it into
a grounded AC outlet or surge protector.
WARNING: While a locking IEC cable is ideal for permanent installation,
be careful that this cable cannot be tripped over in ground-stacked
100-230V~, 50-60 Hz, 150W
LINE
LINE LEVEL
MIC/LINE
MIC/LINE
N
E
I
L
C
I
M
-15 +65
MIC / LINE
HPF DJ FOHMON SIGNAL CLIP TEMP
LINE LEVEL
N
E
I
L
C
I
M
-15 +65
MIC / LINE
DIRECT OUT
MIX OUT
applications, as this is a toppling risk.
2. Turn the level knobs fully counterclockwise, to the lowest position.
4
2 Getting Started
2.1 Level Setting Procedure (Full-Range)
3. If you’re using the ULT full-range loudspeaker as a mixer, connect
LINE
MIC/LINE
HPF DJ FOHMON SIGNAL CLIP TEMP
LINE LEVEL
-15 +65
MIC / LINE
DIRECT OUT
MIX OUT
E
I
N
L
C
I
M
a microphone to the Mic input with a standard XLR cable.
ULT-series
Owner’s Manual
LINE
LINE LEVEL
MIC/LINE
MIC/LINE
N
E
I
L
C
I
M
-15 +65
MIC / LINE
HPF DJ FOHMON SIGNAL CLIP TEMP
DIRECT OUT
MIX OUT
4. Connect your line-level source (such as a PreSonus StudioLive
digital mixer) to the Line input. The Line input is a combo
connection that accepts a balanced ¼” TRS or XLR cable.
Power User Tip: If you are running a stereo system, connect the
Left output of your mixer to the Left loudspeaker’s line input, and
the Right output to the Right loudspeaker’s line input.
5. Power on your line-level source.
5
2 Getting Started
DIRECT OUT
MIX OUT
2.1 Level Setting Procedure (Full-Range)
6. Power on your ULT-series loudspeaker.
100-230V~, 50-60 Hz, 150W
POWER
On/O
7. While speaking into the microphone, use the Mic level knob to
adjust the microphone level. Be sure that you are not standing
directly in front of the loudspeaker while doing this, as doing so
could result in feedback. If you are not using the Mic input, it is
recommended that you leave this knob in the fully counter-clockwise
position so as not to introduce noise into your signal path.
ULT-series
Owner’s Manual
LINE
LINE LEVEL
MIC/LINE
N
E
I
L
C
I
M
-15 +65
MIC / LINE
HPF DJ FOHMON SIGNAL CLIP TEMP
SIGNAL CLIP TEMP
SIGNAL CLIP TEMP
DIRECT OUT
MIX OUT
LINE LEVEL
8. With audio playing through your line-level source, turn the
Line level knob until you have achieved a comfortable listening
volume. If you are not using the Line input, it is recommended
that you leave this knob in the fully counterclockwise position
so as not to introduce noise into your signal path.
9. Both the Microphone and Line inputs should be set so that the
green Signal LED is illuminated most of the time, but the red Clip
LED illuminates only with the highest transient peaks or not at all.
10. If you are using the input mixer of one loudspeaker to
connect a microphone and a line-level source, or if you
are running a mono system, connect the Mix Out from the
loudspeaker to which your sources are connected to the line
input of the second loudspeaker and repeat steps 1-9.
6
LINE
LINE LEVEL
MIC/LINE
MIC/LINE
N
E
I
L
C
I
M
-15 +65
MIC / LINE
HPF DJ FOHMON SIGNAL CLIP TEMP
DIRECT OUT
MIX OUT
LINE
LINE LEVEL
MIC/LINE
MIC/LINE
N
E
I
L
C
I
M
-15 +65
MIC / LINE
HPF DJ FOHMON SIGNAL CLIP TEMP
2 Getting Started
2.2 Level Setting Procedure (ULT18)
2.2 Level Setting Procedure (ULT18)
1. With the power switch in the Off position, connect the locking IEC
plug to the IEC socket connection on the back of each loudspeaker
and plug it into a grounded AC outlet or surge protector.
100-230V~, 50-60 Hz, 150W
ULT-series
Owner’s Manual
LINE
LINE LEVEL
MIC/LINE
MIC/LINE
MIC / LINE
HPF DJ FOHMON SIGNAL CLIP TEMP
OUTPUT LEVEL
N
E
I
L
C
I
M
-15 +65
LINE LEVEL
MIC / LINE
INPUT 1
60 Hz 80 Hz
LOW PASS FILTER
MIC/LINE
INPUT 2
OUTPUT LEVEL
Natural Mono
0
-15 +65
INPUT 1
MIC/LINE
INPUT 2
N
I
L
M
E
C
I
100 Hz
DIRECT OUT
MIX OUT
60 Hz 80 Hz
LOW PASS FILTER
OUTPUT LEVEL
SIGNAL CLIP TEMP
2. Turn the level knobs on your full-range loudspeakers
fully counterclockwise to the lowest position.
3. Turn the Output level knob on your ULT18
OUTPUT 1
100 Hz
OUTPUT 2
OUTPUT 1
OUTPUT 2
counterclockwise to the lowest position.
4. Connect your line-level source (e.g., a StudioLive mixer) to the Line
inputs. This is a combo jack that accepts a balanced ¼” TRS or XLR plug.
If you are connecting a stereo source, the left side should be connected
to Input 1 and the right side should be connected to Input 2.
7
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