Bogen-BDT30A-Operation-Manual 电路图 维修手册.pdf

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1、Watts (70V) 1.8 3.7 7.5 15 30 * * Speaker Installation Bi-Directional Reentrant Horn Loudspeaker Specifications subject to change without notice. 2000 Bogen Communications Inc. All rights reserved. Part No. 54-5841-01C 0402 Speaker Assembly The bi-directional speaker must be assembled prior to insta

2、llation. See Figure 3 on the back of this sheet for speaker assembly information. Make sure to place the washer/seals where indicated and hand tighten the various components - do not use pliers or similar tools. STEP 1 - For easier installation, remove the flange (base) from the speak- er by unscrew

3、ing the wing nut while at the same time pressing inwardly on the wing nut.Place the flange flush with the mounting surface and mark the location of the three holes with either a marker or punch. It is important that the three holes be exactly aligned with the flange,otherwise you might stress the ba

4、se or make the connection unsteady (see Figure 1). NOTE: Speaker may also be strap-mounted through the slot in flange (base) using standard 1/2-inch industrial strapping (not included). STEP 2 -After mounting the flange,reattach the speaker to the flange and aim the speaker for the desired coverage.

5、 A 45odownward angle is rec- ommended, but this may vary depending upon speaker layout. Unless oth- erwise indicated,do not aim speakers directly at each other or poor paging intelligibility may occur. STEP 3 - Remove the plastic cover to make the electrical connection and set the tap set control (s

6、ee Figure 2). Connect speaker wire shield to the ground (GND) terminal of the amplifiers output.Carry the ground through all speaker cables by tying the shields of the speaker cables together in a “daisy chain” fashion.Do not connect the shield to the speaker itself. The shield is only connected at

7、the amplifier end and simply floats. Connect wires as listed below: Amplifier Outputs Speaker Connections 70V/25V Terminal 1 COMTerminal 2 NOTE: The speaker will also work perfectly well with these connections reversed. However, reduced low frequency response may result. STEP 4 -Adjust the tap set c

8、ontrol to the desired setting.See table at right for tap settings.Replace the plastic protective cover back over the exposed area. Frequency Response: 225 Hz to 14 kHz Dimensions: 161/2 W x 93/4 H (41.9 x 24.8 cm) Shipping Weight: 9 lb. Finish:Textured Mocha Enamel Sound Pressure Level: 121 dB four

9、feet on axis with 30-watt input at 1000 Hz each horn Figure 2 ELECTRICAL CONNECTION TAP SET CONTROL Page 1 of 2 Figure 1: Mounting Speaker Base Position 1 2 3 4 5 6 7 Watts (25V) .25 .5 1 1.8 3.7 7.5 15 *Forbidden switch settings (see text) CAUTION Switch settings marked with an asterisk (*) must no

10、t be used. Failure to comply with these restrictions may cause damage to components and will void the warranty. 8* * BDT30A RadioFans.CN 收音机爱 好者资料库 1-7/8 DIA PAPER GASKET 1-5/16 DIA GREY FIBER WASHER 1-7/8 DIA STEEL WASHER 1-7/8 DIA PAPER GASKET THUMB SCREW 1-7/8 DIA PAPER GASKET 1-5/16 DIA BLACK RU

11、BBER WASHER 1-5/16 DIA GREY FIBER WASHER AFTER ASSEMBLY, ALIGN LOGO AND TIGHTEN SCREW X X X X X X X X X X X X X X X X X X AFTER ASSEMBLY, ALIGN LOGO AND TIGHTEN SCREWS Figure 3: Speaker Assembly Figure 4: Assembled Speaker Page 2 of 2 NOTE: Extra gaskets may be included in hardware pack. 50 Spring Street, Ramsey, NJ 07446 Tel. 201-934-8500, Fax: 201-934-9832 Web Site: RadioFans.CN 收音机爱 好者资料库