Deaf Bonce DB-4518 D1 Посібник користувача - Сторінка 7

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S e l e c t i o n o f t h e d i a m e t e r o f s p e a k e r c a b l e

Use the table below to select the desired diameter based on the length and the power consumption.

4 . R E C O M M E N D E D E N C L O S U R E PA R A M E T E R S

Parameters/Model

The recommended volume, liters / ft

Port area, cm² / inch²

Port length, cm / inch

Hz setting

5 . H O W T O U S E

The correct choice of the ampliﬁer, its settings and enclosure design prolongs the lifetime of your subwoofer. You should

select an ampliﬁer with a nominal power below the nominal power of the subwoofer. Proper coordination of the head unit (HU)

with the ampliﬁer will provide clean, undistorted signal fed to the subwoofer, which prevents overheating and voice coil damage.

Like any other speaker the subwoofer has moving and stationary parts. We strongly recommend that the moving parts of the

subwoofer should be warmed up at the beginning of operation. Be extra careful when warming up the parts. Warm up the

subwoofer using musical material for 40 hours at medium power. If you feel strange smell during operation at maximum volume,

you should lower the volume of the subwoofer and let the device to cool down at a low volume.

Recommended settings of the ampliﬁer and HU: Volume of HU should not exceed 80%. The ampliﬁer sensitivity should be set

to 50%, subsonic ﬁlter frequency (Subsonic) should be set to 5 Hz below the port settings. For example, if you conﬁgure the port at

30 Hz, Subsonic should be set to 25 Hz. The low pass ﬁlter LPF (the ﬁlter that cuts all frequencies above those set for the ﬁlter)

should be set to 63-80 Hz, bassboost should be set to 0.

Bass reﬂex box

DВ-3012 D1/D2

DВ-3015 D1/D2

55 / 1.94

100 / 3.53

200 / 31

300 / 46.5

70 / 27.6

65 / 25.6

L*W*H = body volume

DВ-3512 D1/D2

DВ-3515 D1/D2

55 / 1.94

95 / 3.35

230 / 35.6

325 / 50.4

83 / 32.7

86 / 33.8

DВ-4515 D1/D2

DВ-4518 D1/D2

95 / 3.35

160 / 5.65

350 / 54.3

450 / 69.7

85 / 33.5

70 / 27.6