Table of Contents
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Table of Contents
Summary of Contents for DB Audio J8
- Page 1 J8/J12 Manual 2.2 en...
- Page 2 General information J8/J12 Manual Version: 2.2 en, 03/2016, D2980.EN .02 Copyright © 2016 by d&b audiotechnik GmbH; all rights reserved. Keep this manual with the product or in a safe place so that it is available for future reference. When reselling this product, hand over this manual to the new owner.
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Page 3: Table Of Contents
2.1. Product description..............5 2.2. Connections................6 2.3. Operation................6 2.3.1. Controller settings..............7 2.4. Dispersion characteristics............8 2.5. Technical specifications............9 Manufacturer's declarations........10 3.1. EU conformity of loudspeakers (CE symbol)....... 10 3.1.1. WEEE Declaration (Disposal)........... 10 d&b J8/J12 Manual 2.2 en... -
Page 4: Safety Precautions
Generally speaking, a distance of 0.5 m (1.5 ft) from magnetic data carriers (floppy disks, audio and video tapes, bank cards, etc.) is sufficient; a distance of more than 1 m (3 ft) may be necessary with computer and video monitors. d&b J8/J12 Manual 2.2 en... -
Page 5: J8/J12 Loudspeaker
The J12 line array module is acoustically and mechanically compatible with the J8 and provides a 120° horizontal dispersion. The J8 cabinet is a 3-way design housing 2 x 12" neodymium LF drivers, one horn-loaded 10" MF driver and 2 x 1.4" exit HF compression drivers with 3"... -
Page 6: Connections
Only operate d&b loudspeakers with a correctly configured d&b amplifier, otherwise there is a risk of damaging the loudspeaker components. Applicable d&b amplifiers: D80/D12/30D. Application Setup Cabinets per pair of amplifier channels J8 Arc/J8 Line J12 Arc/J12 Line d&b J8/J12 Manual 2.2 en... -
Page 7: Controller Settings
For acoustic adjustment the functions CUT, CPL and HFC can be selected. CUT mode Set to CUT, the low frequency level of the cabinets is reduced. The J8/J12 array is now configured for use with the d&b J-SUB or subwoofers. CPL function The CPL (Coupling) circuit compensates for coupling effects between the cabinets by reducing the low and mid frequency level. -
Page 8: Dispersion Characteristics
The graphs below show the horizontal dispersion angle over frequency plotted using lines of equal sound pressure (isobars) at –6 dB and –12 dB. The nominal dispersion is maintained above 300 Hz (J8)/200 Hz (J12). Isobar diagram J8 horizontal Isobar diagram J12 horizontal... -
Page 9: Technical Specifications
J8 with D80/D12/30D 145 dB J12 with D80/D12/30D 143 dB (SPLmax peak, pink noise test signal with crest factor of 4) J8 frequency response, standard and CUT modes J8/J12 loudspeaker Nominal impedance LF/MHF 6/12 ohms Power handling capacity LF (RMS/peak 10 ms) -
Page 10: Manufacturer's Declarations
Please dispose of this product according to the respective national regulations or contractual agreements. If there are any further questions concerning the disposal of this product, please contact d&b audiotechnik. d&b J8/J12 Manual 2.2 en... - Page 12 www.dbaudio.com...
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