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Meyer Sound PSM-2 manual

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Table of contents for the manual

  • Page 1

    The PSM-2 self-powered stage monitor contains i ndependent 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 plane[...]

  • Page 2

    2 According to ISO/IEC Guide and EN 45014 The product herewith complies with the require- ments of the Low Voltage Directive 73/23/EEC and the EMC Directive 89/336/EEC. declares that the product: The Manufacturer: Product Name : PSM-2 Product Options : All Name : Meyer Sound Laboratories Address : 2832 San Pablo Avenue Berkeley, California 94702-22[...]

  • Page 3

    3 ATENCIÓN : ACCESO INTER AUTORIZADO A PERSONAL TÉ ACHTUNG : GEHÄUSE NICHT UND REPARATUR NUR DURCH ATTENTION : ENTRETIEN ET INTERNES NE SONT AUTORIU PERSONNEL TECHNIQUE QUA UK WARNING : THIS APPAR NO OPERATOR SERVICEABLE PA REFER SERVICING TO QUALIFIED WARNINGS: THIS PRODUCT M This surface may reach high t To ensure proper operation, allow clear[...]

  • Page 4

    4 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 damage the unit! When an AC source is applied to the PSM-2, the Intelligent AC power supply ?[...]

  • Page 5

    5 Differential Inputs Audio Input The PSM-2 presents a 10 k Ω input impedance to a three- pin XLR connector wired with the following convention: Pin 1 — 220 k Ω to chassis and earth ground (ESD clamped) Pin 2 — Signal Pin 3 — Signal Case — Earth (AC) ground and chassis Pins 2 and 3 carry the input as a differential signal; their polarit[...]

  • Page 6

    6 Limiting and Protection Circuitry TruPower Limiting System Conventional limiters assume that the resistance of a speaker remains constant and set the limiting threshold by measuring voltage only. This method is inaccurate because the speaker’s resistance changes in response to the frequency content of the source material and thermal variations [...]

  • Page 7

    7 The fans draw air in through ducts on the front of the cabinet, over the heatsinks, and out the rear of the cabinet. Since dust does not accumulate in the ampli fier circuitry, its life span is increased significantly. Make sure that the air ducts are clear and that there is at least 6” clearance for exhaust behind the cabinet. air air cooling [...]

  • Page 8

    8 PSM-2 and PSW-2 The PSM-2 can be used with the Meyer PSW-2, PSW-4, or 650-P self-powered subwoofers. However, due to the overlap of frequency response between the PSM-2 and th e subwoofer, the system frequency response exhibits a rise in the range 50–120 Hz. The rise can be eliminated by the Meyer CP-10 Parametric Equalizer , if desired. In a c[...]

  • Page 9

    9 • To reduce the risk of electric shock, disconnect the loudspeaker from the AC mains before installing audio cable. Reconnect the power cord only after making all signal connections. • Connect the loudspeaker to a two-pole, three wire grounding mains receptacle. The receptacle must be connected to a fuse or circuit breaker. Connection to any [...]

  • Page 10

    10 Complementary power MOSFET output stages class AB/H 1240 Watts (620 Watts per channel) < .02 % Acoustical Copyright © 1997, Meyer Sound Laboratories, Inc. All rights reserved Part #: 05.044.012.01 Rev A ± 4 dB 50 Hz – 18 kHz ± 90 ° 200 Hz – 16 kHz 139 dB peak at 1 m > 110 dB –6 dB: 50 ° H x 50 ° V; –10 dB: 70 ° H x 70 ° V S[...]