BOSCH LBC 1420/10 MK Volume Controls 100 Watt
Volume control 100 W, MKD/E2 installation type, builtin 24 VDC override relay, power-save version, 10 attenuation steps of 2 dB and off, white RAL 9010, supplied with surface mounting box.
Description
Bosch introduces a full range of volume controls and program selectors to provide a complete public address solution.
Functions
Operation
Public address systems are often used for both announcements and background music distribution. Volume controls can be used to adjust the level locally. In addition to volume control, program selectors can also be installed to select five different programs locally. In the event of an (emergency) announcement, the built-in relay ensures that the message is broadcast at a preset level, independent of the local
volume setting.
The volume controls come in three versions according to power rating: 12 W, 36 W, and 100 W. The total load of the loudspeakers connected to a volume control may not exceed the rated power. Each of the three versions is also available in two versions. One is a power-saving, 4-wire volume override (/10 models), where the override relay is activated during an emergency call. The other is a
failsafe, 4-wire volume override (/20 models), where the override relay is deactivated during an emergency call. The design and color are unobtrusive in any interior. Ease of installation, operation and reliability is optimized in the design.
Interconnections
Screw connections
Fitur
- 12 W, 36 W and 100 W versions
- Available in power-save or failsafe versions
- Built-in 24 VDC override relay
- Continuous rotating system
- Suitable for 3-wire and 4-wire systems
Spesifikasi
Electrical
Rated power | 100 W |
Input voltage | 100 V |
Attenuation steps | 10 x 2 dB + off |
Frequency response | 50 Hz to 20 kHz (-1 dB) |
THD | <0.5% |
Current consumption | 20 mA at 24 VDC |
Mechanical
Dimensions (W x H x D) | 87 x 147 x 61.5 mm |
Weight | 512 g (including surface mounting box) |
Color | White (RAL 9010) |
Environmental
Operating temperature | -10 ºC to +55 ºC (+14 ºF to +131 ºF) |
Storage temperature | -40 ºC to +70 ºC (-40 ºF to +158 ºF) |
Relative humidity | <95% |