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Operating Instructions
PSM-2 at 55
The PSM-2 self-powered stage monitor contains
independent amplifier and control electronics for one
12" cone driver and one 4" diaphragm horn driver in a
compact enclosure. This integrated design eliminates
amplifier racks, improves durability and reliability,
and simplifies setup and installation.
The PSM-2 can be oriented such that the planes of the
cabinet face and the horizontal surface on which the
PSM-2 is placed form a 35 , 55 , or 90 angle. Its top-to-
bottom profile is 20.5" at 35 , and 19.5" at 55 (1" higher
than the Meyer UM-1). The high-Q horn provides uniform
coverage in both the horizontal and vertical planes.
The PSM-2 has the following acoustical specifications:
Frequency Response
Max Peak SPL at 1 m
Dynamic Range
Coverage
The PSM-2 is phase-corrected through the crossover
and has an overall phase response of 90 200 Hz–16 kHz,
which yields exceptional system impulse response
and accurate reproduction of all signals.
The PSM-2 employs TruPower™ limiting (TPL), the
first limiting technique that accurately calculates the
power dissipation within the speaker. TPL accounts for
4 dB 50 Hz – 18 kHz
139 dB
> 110 dB
–6 dB: 50 H x 50 V
–10 dB: 70 H x 70 V
PSM-2
Self-Powered Stage Monitor
PSM-2 at 35
varying speaker impedance by measuring current, in
addition to voltage, to compute the power dissipation
and voice coil temperature.
All Meyer self-powered speakers use TPL, which
• allows the speaker to produce its highest SPL
across its entire frequency range during limiting;
• eliminates long-term power compression when
the loudspeaker is operated at high levels for
extended periods;
• protects the drivers and extends the lifetime of
amplifier and driver components.
The PSM-2 uses the Intelligent AC™ power supply,
which protects the amplifier and drivers by auto-
selecting the voltage, minimizing inrush current, filtering
EMI, and performing surge suppression. The dual-
channel amplifier (620 W/channel) is cooled by a variable-
speed primary fan that runs continuously, and a
secondary fan that turns on when the PSM-2 is operated
in hot conditions or at its maximum level for an
extended period.
The PSM-2 can be equipped to operate with the Remote
Monitoring System™ (RMS) interface network and
software application. 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.
Patents
Pending
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Related Manuals for Meyer Sound PSM-2
Summary of Contents for Meyer Sound PSM-2
- Page 1 The PSM-2 can be oriented such that the planes of the cabinet face and the horizontal surface on which the PSM-2 is placed form a 35 , 55 , or 90 angle. Its top-to- bottom profile is 20.5” at 35 , and 19.5” at 55 (1” higher than the Meyer UM-1).
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Page 2: Declaration Of Conformity
Low Voltage Directive 73/23/EEC and the EMC Directive 89/336/EEC. Office of Quality Manager Berkeley, California USA October 1, 1995 Made by Meyer Sound, Berkeley, CA, USA European Office: Meyer Sound Germany GmbH Carl Zeiss Strasse 13 56751 Polch, Germany Meyer Sound Laboratories, Inc. -
Page 3: Table Of Contents
1400W RMS MAX 1400W RMS MAX Network Input Loop Meyer Sound, Berkeley, CA. USA R e m o t e M o n i t o r i n g S y s t e m Dimensions All units in inches Side 55°... -
Page 4: Ac Power
AC Power The AC voltage operating ranges for the PSM-2 are 85–134 V and 165–264 V, at 50 or 60 Hz. The PSM-2 performs surge suppression for high voltage transients and can safely withstand voltages up to 275 VAC. Continuous voltages above 275 VAC may... -
Page 5: Audio Input
Contact Meyer Sound for information about weather-protected units. Audio Input The PSM-2 presents a 10 k input impedance to a three- pin XLR connector wired with the following convention: Pin 1 — 220 k to chassis and earth ground (ESD clamped) Pin 2 —... -
Page 6: Limiting And Protection Circuitry
68 C. In the highly unlikely event that the secondary fan does not keep the temperature below 85 C, the PSM-2 automatically shuts down until AC power is removed and reapplied. If the PSM-2 shuts down again after cooling and reapplying AC power, contact Meyer Sound for repair information. -
Page 7: Example Applications
PSM-2 is placed; see the diagrams (right). The PSM-2 is most often used as a stage monitor at a 35 or 55 angle. The choice of orientation depends on the musician’s height and distance from the monitor. -
Page 8: Verifying Polarity
Although it is preferable to use the PSM-2 with a self-powered sub, the Meyer 650-R2, USW-1, and MSW-2 externally amplified subwoofers can also be used if the sub’s amplifier and the PSM-2 are set to opposite polarities. Although the 90 angle is often used for the PSM-2 with a sub, the best angle to use depends on the musician’s height and distance from the monitor and... -
Page 9: Safety Summary
• Do not install the loudspeaker in wet or humid locations without using weather protection equipment from Meyer Sound. • Do not allow water or any foreign object to get inside the loudspeaker. Do not put objects containing liquid on, or near, the unit. -
Page 10: Specifications
4. The unit is rated at 88–125 V and 182–235 V, 50/60 Hz, to satisfy EC standards for –10% to 6% AC line voltage. Copyright © 1997, Meyer Sound Laboratories, Inc. All rights reserved Part #: 05.044.012.01 Rev A 100 V: 10 A...