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Meyer Sound SB-1 manual

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Table of contents for the manual

  • Page 1

    Copyright  1998 Meyer Sound Laboratories, Inc. All rights reserved Part Number 05.049.048.01 A Operati n g Instruc tions SB-1 Parabolic Sound Beam[...]

  • Page 2

    2 Pour indiquer les risques résultant de tensions dangereuses Zu die gefahren von gefährliche spanning zeigen Important operating instructions Pour indequer important instructions Zu wichtige betriebs- anweisung und unter- haltsanweisung zeigen Frame or chassis Masse, châssis Rahmen oder chassis Protective earth ground Terre de protection Die sc[...]

  • Page 3

    3 Product Summary The Meyer SB-1 Parabolic Sound Beam is the first device that propagates sound waves with SPLs that decrease as little as 3 d B per doubling of distance for more than 300 ft, across a five-octave frequency range, with a consistent and narrow beam width. The physical construction of the SB-1 consists of a fiberglass parabolic reflec[...]

  • Page 4

    4 The minimum electrical service amperage required by a system of SB-1s is the sum of the maximum continuous RMS current for each speaker . We recommend allowing an additional 30% above the minimum amperage to pre- vent peak voltage drops at the service entry . Safety Issues Pay close attention to these important electrical and safety issues. Use a[...]

  • Page 5

    5 AC T roubleshooting If the Active lamp does not light after connection to an AC source for three seconds, the problem is probably in the power supply . In the unlikely case that the circuit breakers trip (the white center buttons pop out), the amplifier or power supply may be malfunctioning. Do not reset the breakers! Contact Meyer Sound for repa[...]

  • Page 6

    6 Fans and Cooling System The SB-1 uses a forced-air cooling system with two fans to prevent the amplifiers from overheating. A variable -speed primary fan runs continuously with an inaudible operating noise of 22 dBA at 1 m at its slowest speed. The speed of the primary fan begins increasing when the temperature of the heatsinks reaches 42°C. The[...]

  • Page 7

    7 Lay the positioning yoke on the ground so that the hole closest to the front of the yoke is aligned with the 3 / 4 ” threaded rigging hole on both sides of the SB-1 . Place the split washer on the 3 / 4 ” grade rigging bolt and then place the flat washer on top of split washer so that the split washer is closest to the bolt head. Hand thread [...]

  • Page 8

    8 Cover Removal and Installation The Dish cover is held in place by four sets of C-brackets and locking pins as shown below . It is easier to remove the dish cover if the pins and brackets are not supporting the entire weight of the cover . T o ease the stress on the pins, loosen the 3 / 4 ” grade rigging bolt on the positioning yoke and angle th[...]

  • Page 9

    9 While keeping a firm grip on the pod insert one of the legs into a c-bracket so that the holes in the legs are aligned with the holes in the c-bracket. Then insert a pin through the holes while pressing down on its button head. When the first pin is in position attach the leg opposite to the first one. Repeat this process until all four legs are [...]

  • Page 10

    10 • T o r educe the risk of electric shock, disconnect the loud- speaker 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 r eceptacle must be connected to a fuse or circuit breaker . Connection [...]

  • Page 11

    11 Controls and Connectors European Rear User Panel with IEC 309 connector Rear User Panel shown with the optional Remote Monitoring System (RMS) panel Packed for shipping (with yoke) Front Side Physical Dimensions 48.5 18.0 54.0 54.0 Weight : SB-1: 293 lb (133 kg); SB-1 with yoke: 392 lb (178 kg) Meyer Sound Laboratories, Inc. 2832 San Pablo Avenu[...]