JAMO C 803 IW Broszura - Strona 9
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you have easy access when you want to change a setting e.g. when you want to
fi ne-tune the output for a specifi c type of programme material or format (music,
movies, DD/DTS etc, etc).
Illustration of how the Boundary Gain Compensation technology works. Note that in
the off position the peak around 20-30Hz is much higher than 40-100Hz, whereas in
the on position the bass response is more linear.
The C 80 SUB is commonly connected using the normal line-level/LFE-input ter-
minals. If you prefer speaker-level connections - or don't have a LFE/Sub line level
output on your amplifi er/receiver - it can also be connected via the high/speaker-
level input terminals provided.
Auto/On/Off
Most of today's subwoofers have an auto on/standby feature whereby the sub-
woofer switches itself on if it senses a signal and switches in standby mode again
a certain time after it has last sensed a signal. However, in movies (or typically clas-
sical music) with relatively quiet passages the subwoofer can switch to standby
mode thereby "missing" the start of a new action packed sequence like for example
an explosion or a kettledrum. Besides the auto on/standby mode we have there-
fore implemented a mode were the subwoofer is always on.
The Auto/on/off switch offers three settings:
Auto: The Subwoofer will automatically switch on when it detects a signal from the
source, and switch to stand by again 20 minutes after the signal has disappeared.
The "start up" sensitivity is 3mV and it stays on as long as the signal is above 1mV.
On: The subwoofer will permanently be on
Off: The subwoofer will permanently be in stand by mode
The stand by power consumption is <1 Watt – so unless you are not using the sub-
woofer for a longer period of time, there is no need to disconnect it from the mains.
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