Martin Audio WAVEFRONT COMPACT - APPLICATIONS GUIDE Bedienungsanleitung PDF herunterladen (Seite 4)

3.4 W8CM/W8CT Longthrow

W8CM and W8CT Longthrow enclosures combine the separate low-mid,

high-mid and high frequency elements of the W8C in a vertical-in-line array

format. Columns of identical horns are stacked vertically within each

enclosure to increase efficency on axis and narrow the vertical coverage.

Longthrow enclosures are physically compatible with the W8C and can be

used to form part of the array. They are normally used in the upper rows of

the array and dedicated as a longthrow section within the array. Such a

combination is extremely powerful and flexible. With an inventory of mainly

W8C’s plus a number of W8CM/W8CT’s, touring sound companies can

tackle any scale of venue and outdoor festival.

Longthrow enclosures can also be used independently. Stadium end-zone

line arrays can be constructed which will project sound clearly over several

hundred metres.

3.5 W8CM

The W8CM features two vertically-aligned low-mid horns. Each is powered

by a 12" (305mm) driver covering the band 120Hz-750Hz. Since the

W8CM can operate from 120Hz it may be used without low frequency

reinforcement in speech only systems. For stadium applications requiring a

throw of over 250 metres, a column of W8CM’s can be easily constructed.

3.6 W8CT

Projecting high frequencies outdoors has always been difficult because the

air absorbs more as the frequency rises and with increasing distance. At

200 metres air losses would require a high frequency boost of 30dB to

restore the original frequency response at the source! To overcome this,

the W8CT features a total of 3 x 6.5" (165mm) high-mid horns and 6 x 1"

(25mm) exit HF compression drivers. All elements are closely coupled in a

vertical line, with the result that an enormous amount of high frequency

energy is available.

Martin Audio – WAVEFRONT TOURING SERIES

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Martin Audio WAVEFRONT COMPACT - APPLICATIONS GUIDE Bedienungsanleitung Seite 4