Master audio LN10 - Page 21

Amate Electroacústica,s.l
LN Series. Version 1.2 Jan 08
21
ÀPENDICE
PÉRDIDA DE POTENCIA (EN %) Y
FACTOR DE DAMPING, RELATIVA
A LA LONGITUD DEL CABLE Y SU
SECCIÓN
(*) Referido a un amplificador con un Factor
de Amortiguamiento de 200:1.
Las secciones de cable inferiores a 2.50 mm
2
deben desconsiderarse.
Para instalaciones fijas con cargas a 4 Ohms,
es preferible disponer de un cable por Sistema
de Altavoces. No es aconsejable "puentear" las
cajas entre sí
.
4-APPENDIX
POWER LOSSES(%) AND DAMPING
FACTOR, RELATED TO WIRE
LENGTH AND SECTION
(*) Referred to an amplifier with a Damping
Factor of 200:1.
Wire sections under 2.50 mm
2
are
completely inadvisable.
For fixed installations with 4 Ohms load, it is
better to have one wire for each speaker
system. It is not advisable to bridge one
cabinet to another.
Largo cable
Wire length
(m)
Sección
Section
(mm
2
)
Resistencia
Resistance
(Ohms)
Pérdida de Potencia
Power losses
8 Ohms 4 Ohms 2 Ohms
Pérdida Damping(*)
Damping losses(*)
8 Ohms 4 Ohms
0.75 0.042 0.53% 1.05% 2.10% 98 49
1.50 0.025 0.31% 0.63% 1.25% 123 62
2.50 0.013 0.16% 0.33% 0.65% 151 75
1
4.00 0.008 0.10% 0.20% 0.40% 167 83
0.75 0.210 2.63% 5.25% 10.5% 32 16
1.50 0.125 1.56% 3.13% 6.25% 48 24
2.50 0.065 0.81% 1.63% 3.25% 76 38
5
4.00 0.040 0.50% 1.00% 2.00% 100 50
0.75 0.420 5.25% 10.50% 21.00% 17 9
1.75 0.250 3.13% 6.25% 12.50% 28 14
2.50 0.130 1.63% 3.25% 6.50% 47 24
10
4.00 0.080 1.00% 2.00% 4.00% 67 33
0.75 0.840 10.50% 21.00% 42.00% 9 5
1.50 0.500 6.25% 12.50% 25.00% 15 7
2.50 0.260 3.25% 6.50% 13.00% 27 13
20
4.00 0.160 2.00% 4.00% 8.00% 40 20
0.75 2.100 26.25% 52.50% --- 4 2
1.50 1.250 15.63% 31.25% 62.50% 6 3
2.50 0.650 8.13% 16.25% 32.50% 12 6
50
4.00 0.400 5.00% 10.00% 20.00% 18 9