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LB3-PC250 / LB3-PC350

en

9

Bosch Security Systems B.V.

IN-LB3 | V1.0 | 2011.02

LB3-PC350 - Polar diagrams

Horizontal polar diagram (high frequency). Normalized 
at 0-degrees axis.

Horizontal polar diagram (low frequency). Normalized at 
0-degrees axis.

Vertical polar diagram (high frequency). Normalized at 0-
degrees axis.

Vertical polar diagram (low frequency). Normalized at 0-
degrees axis.

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Содержание LB3-PC250

Страница 1: ...Premium Cabinet Loudspeakers LB3 PC250 and LB3 PC350 en Installation Note ...

Страница 2: ...not place a heat source or an open flame on or near the loudspeaker The mounting materials marked with an asterisk in the drawings are not supplied but are generally available in your local hardware store Make sure that the minimum tensile strength of these mounting materials e g suspension chain suspension cable safety cord and shackle s is 1 500 N mm2 Always use a safety tether safety cord Box c...

Страница 3: ...4 en LB3 PC250 LB3 PC350 IN LB3 V1 0 2011 02 Bosch Security Systems B V SPEAKON connection Direct connection EN 54 24 LOW Z connection Wall mounting option 1 Wall mounting option 2 3 1 3 1 ...

Страница 4: ...iling mounting option 2 EN 54 24 Attaching the safety tether to the safety tether mounting point at the rear Installing the tripod Stacking the loudspeakers max 2 loudspeakers use a strap Dimensions 5 1 5 1 D H W LB3 PC250 595 mm 23 4 410 mm 16 1 367 mm 16 9 LB3 PC350 720 mm 28 4 470 mm 18 5 420 mm 16 6 W H D ...

Страница 5: ...100 77 87 86 Vertical opening angle 360 180 162 70 66 44 32 Octave band sensitivity Frequency Hz 125 250 500 1000 2000 4000 8000 Octave SPL 1 W 1 m 92 8 93 3 93 6 94 7 97 0 96 8 98 0 Total octave SPL A weighted in dBSPL C weighted in dBSPL Total octave SPL 1 W 1 m 93 7 95 1 Total octave SPL Pmax 1 m 117 7 119 1 LB3 PC250 Frequency and impedance graphs Frequency response on 0 degrees axis measured ...

Страница 6: ...0 60 70 80 90 100 110 120 130 140 150 160 170 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 30 25 20 15 10 5 0 5 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 125 250 500 1000 30 25 20 15 10 5 0 5 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 2...

Страница 7: ...87 86 Vertical opening angle 360 180 162 70 66 44 32 Octave band sensitivity Frequency Hz 125 250 500 1000 2000 4000 8000 Octave SPL 1 W 1 m 93 3 93 8 93 0 93 6 95 2 96 6 98 4 Total octave SPL A weighted in dBSPL C weighted in dBSPL Total octave SPL 1 W 1 m 93 3 95 3 Total octave SPL Pmax 1 m 118 7 120 7 LB3 PC350 Frequency and impedance graphs Frequency response on 0 degrees axis measured with 1 ...

Страница 8: ...0 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 1000 2000 4000 8000 30 25 20 15 10 5 0 5 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 125 250 500 1000 30 25 20 15 10 5 0 5 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 2...

Страница 9: ...Bosch Security Systems B V Kapittelweg 10 4800 RA Breda The Netherlands www boschsecurity com Bosch Security Systems B V 2011 ...

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