The Ch4 loudspeaker is the skeletal version of the Ci4-TOP (C4-TOP) loudspeaker. It is compatible in acoustical data and system amplification with the respective Ci4-TOP (C4-TOP), differing only in the mechanical construction. The Ch4 is constructed from paint finished fibreglass reinforced plastic (GRP). The Ch4 weighs approximately 31 kg / 68 lb and is fitted with two NL4 connectors as standard.
The d&b audiotechnik loudspeaker range is designed exclusively for operation with d&b amplifiers. These provide power as well as comprehensive control and protection functions tailored to achieve the performance, reliability and longevity associated with the d&b System approach. The Ch4 can be driven by either the d&b D12, D6, E-PAC or P1200A amplifiers, with the appropriate loudspeaker configuration selected.
|Max. sound pressure (1m, free field) with E-PAC/D6/D12/D80||136/136/140/140 dB SPL|
|Power handling capacity (RMS/peak 10 ms)||200/800 W|
|Frequency response (-5 dB)||150 Hz - 18 kHz|
|Nominal dispersion angle (h x v)||35° x 35° CD|
|Cabinets per channel D6/D12/D80||2|
|Cabinets per E-PAC||1|
|Dimensions mm (H x W x D)||540 x 540 x 540|
|Dimensions inch (H x W x D)||21.3 x 21.3 x 21.3|