the UPA-1P horn in an
anechoic chamber by
measuring coverage patterns
using angular and frequency
resolutions of 1° and
1
⁄36
octave, respectively. The UPA-1P
horn provides a much wider
horizontal, and slightly
narrower vertical beam width
(100°H x 40°V) than the UPA-2P.
Both speakers share the
following remarkable attributes:
• uniform frequency response
within the beam width
• rapid and uniform amplitude
attenuation for all frequen-
cies outside the beam width
• minimal side lobes
The UPA-P Series is ideally
suited for small PA applications
requiring complete coverage
with a compact, high-powered
system, and also make
excellent under-balcony, down-
fill.
The UPA-P’s integrated
electronics employs the
Intelligent AC power supply,
which auto-selects the correct
The Meyer UPA-P Series self-
powered loudspeakers (UPA-1P,
UPA-2P) are more than powered
versions of the Meyer UPA-C
Series (UPA-1C, UPA-2C). The
UPA-P Series features phase-
corrected electronics that
produce flat acoustical phase
and amplitude responses,
resulting in exceptional system
impulse response and precise
imaging. Despite the inclusion
of amplification and control
electronics, the UPA-P is the
same size as, and only 10 lb.
heavier than the UPA-C.
Additionally, the UPA-P’s
advanced horn designs achieve
a consistent polar response
and smooth arraying behavior.
The beam width of a horn is
the angle at which the sound
pressure at a given frequency
decreases to half (–6 dB) its
on-axis amplitude. Existing
technologies produce horns
whose beam width varies over
the operating frequency range.
These horns also display non-
uniform frequency response
within, and significant side lobe
energy outside their beam
width. Both undesirable
characteristics, particularly
prevalent for horns with a wide
beam width, make array design
extremely problematic.
The UPA-P horns exhibit
constant Q: the beam width
remains consistent across the
horn’s operating frequency
range in both the vertical and
horizontal planes. The UPA-2P
uses the same horn as the
UPA-2C: the original design
achieved constant Q for its
narrow beam width (45°H x
45°V). Meyer Sound developed
FEATURES
operating voltage (facilitating
international use), suppresses
high voltage transients, and
provides soft-start power-up
(eliminating high inrush current).
The UPA-P can be equipped
to operate with the Remote
Monitoring System
™
(RMS)
network and software
application. The UPA’s are
shipped with one of two audio
input and control options. The
Basic module contains an XLR
input and a loop connector.
The second module provides
features that facilitate array
building and integration into
full-range systems without
incurring the cost of external
processors. These inter-
changeable modules can be
installed in the field with a
Phillips screwdriver. RMS
displays signal and power
levels, driver and cooling fan
status, limiter activity, and
amplifier temperature for all
speakers in the network on a
Windows-based PC.
Self-Powered Reinforcement Loudspeaker
UPA-1P & 2P
Integrated control
electronics and amplifiers
Modular audio
input options
Intelligent AC
™
System
Compatible with the
Remote Monitoring
System
™
(RMS)
Phase-corrected
Constant-Q Beam width
facilitates predictable
array design
High-Power, flat
frequency response
Meyer
Sound
Superior
engineering
for the art
and science
of sound.
PATENT PENDING
UPA-2P
UPA-1P
AC Input
100-240V
~
50-60Hz 4A MAX
24VFan
-
+
Loop
Input
On / Temp.
Limit
Earth /
Chassis
Case
220k Ω
GND Circuit
1
2
3
1
2
3
Looping Audio Input
Push
Network
Service
Wink
Reset
Activity
Remote Monitor System
!
Meyer Sound, Berkeley, CA. USA
CAUTION: See instruction manual
ATTENTION
: Voir le cahier d'instruction
Acoustical
(each loudspeaker)
Coverage
Crossover
Transducers
Standard Audio
Input Module*
Amplifiers
AC Power
Physical
Notes
PHYSICAL DIMENSIONS
UPA-1P & 2P SPECIFICATIONS
Operating Frequency Range
2
Free Field
Half-Space
3
Phase Response
4
Maximum SPL
5
UPA-1P (-6 dB points)
UPA-2P (-6 dB points)
UPA-1P
UPA-2P
Low Frequency
High Frequency
Type
Connector
Impedance
XLR Wiring
RF Filter
Common Mode Rejection Ratio
Type
Burst capability
6
THD, IM, TIM
Connector
Automatic voltage selection
Idle RMS Current
Max Continuous RMS Current (
>10 sec)
Max Burst RMS Current (<1 sec)
Max Peak Current During Burst
Soft-Current Turn-on
Dimensions
Weight
Enclosure
Finish
Protective Grill
Rigging
60 Hz - 18 kHz
100 Hz - 16 kHz ± 3dB; -6 dB at 77 Hz and 18 kHz
77 Hz - 16 kHz ± 3dB; -6 dB at 66 Hz and 18 kHz
± 35° 600 Hz - 16 kHz; + 90° at 250 Hz
133 dB SPL
100° H; 40° V
45° H; 45° V
1200 Hz
1000 Hz
12" cone driver
3" diaphragm compression driver
Differential balanced input circuit
Female XLR; male XLR loop
10 kΩ differential balanced (between pins 2 and 3)
Pin 1: chassis; Pin 2: + signal; Pin 3: - signal
Common Mode: 425 kHz low-pass; Differential Mode: 142 kHz low-pass
> 80 dB (50 Hz - 1 kHz); typically 90 dB
Complementary power MOSFET output stages (class AB/bridged)
350 Wrms/channel
< .02 %
PowerCon locking AC connector
80-264 VAC continuous; 47/63 Hz
4
@115 V: 0.25Arms @230V: 0.13Arms @100V: 0.3Arms
@115 V: 2.8Arms @230V: 1.4Arms @100V: 3.2Arms
@115 V: 3.2Arms @230V: 1.6Arms @100V: 3.7Arms
@115 V: 5.0Apk @230V: 2.5Apk @100V: 5.8Apk
Inrush current <15A@115V
14.5" W x 22.4" H x 14.5" D
77 lbs (35 kg)
5
/
8
” plywood
Black textured
Hex perforated steel grill, charcoal grey foam
Four aircraft pan fittings (two on top, two on bottom). Working load
is 600 lb (273 kg), based on a 5:1 safety factor.
1
1. Measurements are taken at 3m on-axis,
1
/3 octave, unless otherwise stated.
2. Response depends on loading conditions and room acoustics.
3. Measured with a single boundary, 1 m from rear of cabinet.
4. Phase variation from pure delay.
5. Measured at 1 m, with pink noise or music.
6. Nominal 8Ω resistive load, pink noise, 100v peak.
* Refer to UPA series Q+A for input module options.
ALL UNITS IN INCHES
Meyer Sound Laboratories, Inc.
2832 San Pablo Avenue
Berkeley, CA 94702
tel: 510.486.1166
fax: 510.486.8356
e-mail: [email protected]
http://www.meyersound.com
UU
LL
CC
UU
LL
®®
LISTED
3K59
COMMERCIAL
AUDIO SYSTEM
Meyer Sound Laboratories
has devoted itself to
designing, manufacturing,
and refining components
that deliver superb sonic
reproduction. Every part of
every component is
designed and built to
exacting specifications
and undergoes rigorous,
comprehensive testing
in the laboratories.
Research remains an
integral, driving force
behind all production.
Meyer strives for sound
quality that is predictable
and neutral over an
extended lifetime and
across an extended range.
Made by Meyer Sound, Berkeley, CA, USA
European Office:
Meyer Sound Germany
GmbH
Carl Zeiss Strasse 13
56751 Polch, Germany
© 1997 Meyer Sound Laboratories, Inc.
All rights reserved
UPA1P&2P - 04.054.017.01D
14.3
30°
14.5
12.8
7.7
2.6
7.5
22.4
AC Input
100-240V
~
50-60Hz 4A MAX
24VFan
-
+
Loop
Input
On / Temp.
Limit
Earth /
Chassis
Case
220k ΩΩ
GND Circuit
11
22
33
11
22
33
Looping Audio Input
Push
Network
Service
Wink
Reset
Activity
Remote Monitor System
!
Meyer Sound, Berkeley, CA. USA
CAUTION: See instruction manual
ATTENTION
: Voir le cahier d'instruction
UPA-1PUPA-2P
/
