2N TELEKOMUNIKACE a.s., www.2n.cz
54/377
Requirements
The minimum distance between the loudspeaker and microphone centres is 90
mm. A lower distance may lead to acoustic feedback. A greater distance (within
the available 1m cable) does not matter.
The microphone must be stuck on so that it does not pick up (even in part!) the
acoustic pressure from the space behind the control panel. Such sensing might
result in acoustic feedback since the speaker strongly radiates sound into the
cavity.
Separate Speaker Mounting
The speaker is equipped with a cable and can be separated from the electronics
(simply pulled out) within the reach of the cables delivered (1m). This option is useful
where there is not enough space for the whole electronic equipment. Fit the speaker
according to the instructions below:
While gluing the speaker choose such procedures or adhesives that prevent
membrane damage by adhesives and volatile substances or heat.
We recommend you to keep the speaker sealed to eliminate vibrations and
provide electrical insulation.
Frequently Asked Questions about Speaker
Is it possible to use a common speaker for the communicator and floor
announcer?
No, it is not possible.
May I use a speaker of my own?
Yes, but make sure that the impedance is 64 Ω. By doing this you assume
responsibility for sufficient volume and frequency range.
May I place the speaker on the cabin ceiling?
This placement is not recommended.
May I use a longer cable to the speaker?
For the speaker yes, but we do not recommend it for the microphone.
Summary of Contents for Lift8
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