corporate AV small theatres houses of worship ballrooms sidefill frontfill
ULTRASERIES
UPJunior
ultracompact VariO loudspeaker
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ultracompact VariO loudspeaker
10.20" (259.08 mm) d
FEATURES & BENEFITS
Rotatable VariO horn provides
versatile coverage options,
whether loudspeakers are
•
19.04" (483.55 mm) h
weight: 28 lbs.
(12.70 kg)
oriented horizontally or vertically
Exceptional fidelity and power-
to-size ratio
•
•
Extraordinarily flat amplitude
and phase response for tonal
accuracy and precise imaging
9.00" (228.60 mm) w
Constant-Q horn affords uniform
response throughout coverage
area
•
•
Predictable and consistent
performance ensures system
design flexibility
UPJunior was designed for flexibility. Whether oriented vertically or horizontally, its VariO
horn allows quick rotation for obtaining the optimum horizontal and vertical coverage
patterns in any situation. With its rotatable horn, small size, and QuickFly rigging, there’s
hardly anywhere UPJunior can’t be placed.
APPLICATIONS
Portable and installed audio-
visual systems
•
Theatrical sound reinforcement
•
UPJunior integrates seamlessly with other Meyer Sound products, including the UltraSeries,
UPM-1P, UPM-2P, UPJ-1P, and UPA-1P loudspeakers. For smaller, full-range systems,
UPJunior works well with the UMS-1P or M1D-Sub ultracompact subwoofers. In applications
requiring greater low-frequency support, the 600-HP high-power subwoofer can be used.
Frontfill and under-balcony
coverage
•
Conference centers,
presentations, ballrooms and
houses of worship
•
It’s a sizable list of capabilities for a small speaker. But that’s UPJunior: the small loudspeaker
that makes a big difference.
Stage monitoring (with optional
MAAM adapter)
•
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UPJunior
Meyer Sound’s VariO horn can be easily rotated in the field by removing only eight screws. The ability to
reconfigure UPJunior’s coverage lets users get the best coverage in nearly any situation.
COMPONENTS
UPJunior is a two-way system employing components designed and manufactured by Meyer Sound in Berkeley,
Calif. Meyer Sound’s rigorous quality assurance guarantees the performance and consistency of each UPJunior.
UPJunior’s low/mid-frequency section employs an 8-inch neodymium magnet cone driver with a 1.5-inch voice
coil, while the high-frequency section utilizes an efficient 0.75-inch exit, 2-inch diaphragm compression driver.
The high-frequency driver is mounted on a rotatable, 80-degree-by-50-degree VariO horn for maximum
flexibility in obtaining desired coverage.
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ultracompact VariO loudspeaker
THE SELF-POWERED ADVANTAGE
Having manufactured self-powered sound reinforcement loudspeakers
since 1995, Meyer Sound has pioneered and refined this technology to
produce systems that are powerful and reliable. Self-powered systems
eliminate heavy, expensive, amplifier racks and large loudspeaker
cables, thereby lowering costs. With no need to calibrate gain and
crossover settings, self-powered systems are easy to use and go from
the truck to fully rigged and back in minutes.
UPJunior incorporates a proprietary two-channel, class AB/bridged
power amplifier and sophisticated control circuitry housed within the
cabinet, dramatically simplifying setup and installation. UPJunior’s
integrated amplifier delivers 300 watts of total burst power, while
the onboard processing includes an electronic crossover, phase and
frequency response correction filters, and driver protection circuitry,
including peak and rms limiters on each channel that prevent driver
overexcursion and regulate the temperature of the voice coil. Limiter
activity is easy to monitor with high-color limit LEDs on UPJunior’s
rear panel.
Meyer Sound self-
powered systems
enclose their
complex crossovers,
protection circuitry,
and power amplifiers
entirely within the
enclosure, resulting
in the greatest ease
of setup and use.
The optional RMS remote monitoring system module continuously
reports the status of all key system parameters from a remote
computer running Windows OS. Other options for UPJunior include
weather protection and custom color finishes for applications requiring
specific cosmetics.
The modular, field-replaceable amplifier/processing package also
incorporates Meyer Sound’s Intelligent AC power supply, which
automatically adjusts for any line voltage worldwide and provides both
soft turn-on and transient protection.
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UPJunior
QUICKFLY RIGGING PUTS UPJUNIOR WHEREVER YOU NEED IT
Meyer Sound’s patented QuickFly rigging is as versatile and easy to use as the UPJunior itself. Designed for maximum safety
and strength, UPJunior’s QuickFly mounting options enable UPJunior to be used singly or in arrays of two or three, and
mounted on ceilings (such as for under-balcony applications), floors, walls, or trusses; used as a stage monitor; or, with the
use of a third-party adapter, pole mounted.
Mounting and rigging options make use of UPJunior’s integral top and bottom aluminum end plates (made of heavy duty,
high-strength, corrosion-resistant 6061-T6 aluminum) with threaded M8 attachment points.
Combining its VariO horn with its QuickFly hardware, UPJunior is capable of an unparalleled degree of utility, enabling smooth
coverage to be attained in even the trickiest situations.
MAAM-UPJunior Array Adapter Plate
The MAAM-UPJunior array adapter plate enables a variety of vertical and horizontal array configurations using two or three UPJunior
cabinets. The MAAM-UPJunior has holes for accepting eyebolts or a shackle for maximum flexibility in mounting and rigging, and
allows the separation between two cabinets in an array to be set to any angle from 10 to 80 degrees. The MAAM-UPJunior is also
used when laying the cabinet horizontally for use as a stage monitor.
MAAM-UPJunior enables any angle
between 10 and 80 degrees to be set
between two UPJunior cabinets.
With MAAM-UPJunior, up to three
UPJunior cabinets can be arrayed
vertically or horizontally.
MAAM-UPJunior lets UPJunior be
used as a stage monitor.
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ultracompact VariO loudspeaker
MUB-UPJunior U-bracket
The MUB-UPJunior U-bracket can be used for mounting UPJunior on floors, walls, ceilings, or truss.
UPJunior can be easily mounted
on a ceiling or floor with the
MUB-UPJunior for applications
such as under-balcony coverage.
The MUB-UPJunior allows
UPJunior to be mounted on
walls for fill or surround
applications.
MUB-UPJunior can be
suspended from truss for a
variety of fill applications.
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UPJunior
Pole Mounting UPJunior
UPJunior cabinets can be easily pole-mounted using a third-party adapter.
Pole mounting a single UPJunior onto a UMS-1P ultracompact subwoofer
is as simple as fitting an MPS-UMS pole stand into the integral pole mount
receptacle in the UMS-1P, then mounting a UPJunior (with third-party adapter)
onto it.
Use pole mounted UPJuniors
for portable and small-scale
applications.
MYA-UPJunior
Mounting Yoke Assembly
The MYA-UPJunior cradle-style mounting
yoke suspends a single UPJunior loudspeaker
and allows a wide range of horizontal and
vertical adjustment.
UPJunior is easily pole
mounted on the UMS-1P
subwoofer.
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ultracompact VariO loudspeaker
The UPA-1P is the self-powered version
of the landmark loudspeaker that
introduced the trapezoidal cabinet and
processor control of loudspeakers.
The UPJ-1P introduced the rotatable
VariO horn and flexible mounting found
in UPJunior.
The UPM-1P is often used for fill
applications, spot coverage, and as a
main loudspeaker in small systems.
MEYER SOUND’S ULTRASERIES LOUDSPEAKERS
UPJunior is a member of Meyer Sound’s UltraSeries. The UltraSeries is where it all began for Meyer Sound with the introduction of the UM-1
UltraMonitor, followed shortly thereafter by the UPA-1. The UPA-1 was a milestone in sound reinforcement, leading to its being honored as
an inaugural inductee into the TECnology Hall of Fame. The trapezoidal shape of the UPA-1 cabinet was a breakthrough important enough to
be recognized by the U.S. Patent and Trademark Office, which issued Meyer Sound one of its first patents for the innovation. The trapezoidal
shape, which allows cabinets to be easily arrayed, is now standard in the industry. The UPA-1 and UM-1 were also the first processor-
controlled loudspeakers, another Meyer Sound advance that is now commonplace.
The 1997 release of the UPA-1P marked yet one more major step forward: the first high-output, self-powered system in a compact package.
The appearance of the UPA-1P spurred numerous imitations by other manufacturers, but Meyer Sound remains the only manufacturer fully
committed to self-powered systems. More than 12 years after it first pioneered self-powering, Meyer Sound’s singular experience and
substantial investment in research are clearly demonstrated in the performance and consistency of its over 40 self-powered loudspeakers.
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UPJunior
SPECIFICATIONS
ACOUSTICAL
1
2
Recommended maximum operating
frequency range. Response depends
upon loading conditions and room
acoustics.
Operating frequency range1
Frequency response2
Phase response
Maximum peak SPL3
Dynamic range
70 Hz - 20 kHz
76 Hz - 18 kHz ±4 dB
250 Hz - 18 kHz ±45°
126 dB
Measured free field with 1/3-octave
frequency resolution at 4 meters.
>110 dB
3
4
Measured with music referred to 1 meter.
Coverage4
Acoustical crossover5
80° x 50°
3.5 kHz
The UPJunior horn can be rotated to
provide an 80° x 50° coverage pattern in
either the horizontal or vertical plane.
TRANSDUCERS
Low frequency
One 8” cone driver with neodymium magnet
Nominal impedance: 4 Ω
5
6
At this frequency, the transducers
produce equal sound pressure levels.
Voice coil size: 1.5”
Power handling capability: 300 W (AES)6
One 2” compression driver
Nominal impedance: 12 Ω
Voice coil size: 2”
Power handling measured using
AES standards: transducer driven
continuously for two hours with band
limited noise signal having a 6 dB peak-
average ratio.
High frequency7
Diaphragm size: 2”
7
High frequency driver is coupled to an
80° x 50° constant-directivity horn.
Exit size: 0.75”
Power handling capability: 100 W (AES)6
8
An optional input module is available
that includes a polarity reversal switch
and attenuator (0–18 dB).
AUDIO INPUT
Type
Differential, electronically balanced
Max. common mode range
Connectors
±15 V DC, clamped to earth for voltage transient protection
Female XLR input with male XLR loop output
9
Wattage rating is based on the maximum
unclipped burst sine-wave rms voltage
the amplifier will produce into the
nominal load impedance — low and high
channels 30 V rms (42 V peak) into load
impedance.
Input impedance
Wiring
10 kΩ differential between pins 2 and 3
Pin 1: Chassis/earth through 220 kΩ, 1000 pF, 15 V clamp network to provide virtual ground lift at audio frequencies
Pin 2: Signal +
Pin 3: Signal - (optional polarity reversal switch)8
Case: Earth ground and chassis
DC Blocking
CMRR
Differential DC blocking on input up to max. common mode voltage
>50 dB, typically 80 dB (50 Hz – 500 Hz)
RF filter
Common mode: 425 kHz
Differential mode: 142 kHz
TIM filter
Nominal input sensitivity
Input level
<80 kHz, integral to signal processing
0 dB V (1 V rms, 1.4 V peak) continuous coverage is typically the onset of limiting for noise and music
Audio source must be capable of producing +20 dBV (10 V rms, 14 V peak) into 600 Ω in order to produce maximum
peak SPL over the operating bandwidth of the loudspeaker
AMPLIFIERS
Amplifier type
Output power9
THD, IM TIM
Load capacity
Cooling
Two-channel complementary power MOSFET output stages (class AB/bridged)
300 W total
< .02%
4 Ω low channel; 12 Ω high channel
Forced air cooling over amplifier heatsink
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ultracompact VariO loudspeaker
10 No automatic turn-off voltages. Voltages
above 265 V AC are fuse protected but
may cause permanent damage to the
power supply. Voltages below 90 V AC
may result in intermittent operation.
AC POWER
AC power connector
Voltage selection
PowerCon with looping output
Automatic
Safety agency rated operating voltage
Turn on/turn off points10
CURRENT DRAW11
100 V AC – 240 V AC, 50/60 Hz
90 V AC – 264 V AC, 50/60 Hz
11 Current draw for a single loudspeaker.
Loop out not used.
Idle current
0.448 A rms (115 V AC), 0.285 A rms (230 V AC), 0.497 A rms (100 V AC)
2.55 A rms (115 V AC), 1.55 A rms (230 V AC), 2.75 A rms (100 V AC)
2.9 A rms (115 V AC), 1.7 A rms (230 V AC), 3.2 A rms (100 V AC)
12.0 A peak (115 V AC), 9.0 A peak (230 V AC), 13.0 A peak (100 V AC)
15.0 A peak (115 V AC), 13.0 A peak (230 V AC), 15.0 A peak (100 V AC)
Max. long-term continuous current (>10 sec)
Burst current (<1 sec)
Ultimate short-term peak current draw
Inrush current
PHYSICAL
Enclosure
Finish
Premium birch plywood
Black textured
Protective grille
Rigging
Powder-coated hex-stamped steel
QuickFly rigging options
Dimensions
Weight
9.00 w x 19.04 h x 10.20 d (228.60 mm x 483.55 mm x 259.08 mm)
28 lbs (12.70 kg)
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UPJunior
Meyer Sound Laboratories Inc.
2832 San Pablo Avenue
Berkeley, California 94702
T: +1 510 486.1166
F: +1 510 486.8356
Printed on 100% recycled paper
UPJunior, UPJ-1P, UPA-1P, UPM-1P, UltraSeries, RMS, VariO, Intelligent AC, and all alphanumeric product designations are trademarks of Meyer Sound. Meyer Sound, QuickFly and
the Meyer Sound wave logo are registered in the United States Patent and Trademark Office. All third-party trademarks mentioned herein are the property of their respective owners.
Patents pending.
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