Jamo D 7 SUB Owner/User Manual - Page 27

Electronics D 7SUB

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The long throw woofer is capable of linear movements up to +/- 15 mm. It is equipped with a transducer at the back of the diaphragm that measures the acceleration, which is used for the MFB servo control. Electronics (D 7SUB) Amplifier The D 7SUB features a 400 Watt Class D amplifier that operates at a highly efficient 85%. This means that 85% of the power consumption is dedicated to the speaker, and only 15% is dissipated as heat. MFB (Motional Feed Back), servo control We have given precise timing extremely high priority in the D 7 design. To enable the relatively compact subwoofer to reach very low frequencies with perfect timing the D 7SUB features MFB. 17

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17
The long throw woofer is capable of linear movements
up to +/- 15 mm.
It is equipped with a transducer
at the back of the
diaphragm that measures the acceleration, which is
used for the
MFB servo control
.
Electronics (D 7SUB)
Amplifier
The
D 7SUB
features a
400 Watt
Class D amplifier that
operates at a highly efficient 85%. This means that 85%
of the power consumption is dedicated to the speaker,
and only 15% is dissipated as heat.
MFB (
Motional Feed Back
), servo control
We have given
precise timing
extremely
high priority in
the
D
7
design.
To
enable
the
relatively
compact
subwoofer
to
reach very low frequencies with perfect timing the D
7SUB features
MFB
.