Alphard M450D Panduan Pemilik - Halaman 4
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Halaman Cetak4 . C O N N E C T I O N M E T H O D S
The minimum permissible resistance at the output of the amplifier is 1 ohm. Use these formulas to calculate the
resistance of various types of connection.
S E R I E S C O N N E C T I O N
To t a l r e s i s t a n c e = Ω S u b 1 + Ω S u b 2 + Ω S u b 3 . . .
PA R A L L E L C O N N E C T I O N
To t a l r e s i s t a n c e =
S C H E M E S O F E N A B L I N G T H E L O A D O F T H E S U B W O O F E R
V O I C E C O I L 1 + 1 , 2 + 2 , 4 + 4 O h m
The subwoofer has two voice coils.
O N E S U B W O O F E R , C O I L S I N S E R I E S .
O N E S U B W O O F E R , C O I L S I N P A R A L L E L
S U B W O O F E R I N S E R I E S , C O I L S I N P A R A L L E L
1
1
1
Ω S u b 1 + Ω S u b 2 + Ω S u b 3 . . .
4
. . .
1
. . .
1+1
2+2
4+4
Voice coil
1+1 Ohm
2+2 Ohm
4+4 Ohm
Voice coil
1+1 Ohm
2+2 Ohm
4+4 Ohm
Voice coil
1+1 Ohm
2+2 Ohm
4+4 Ohm
EN
Total impedance
2 Ohm
4 Ohm
8 Ohm
Total impedance
0,5 Ohm
1 Ohm
2 Ohm
Total impedance
1 Ohm
2 Ohm
4 Ohm