Page 1
Product Instruction Manual
Your new Coomber
1932 Underwater speaker
Power & Warranty
Specified for use with our battery powered 2100/R & 2070/R, this
underwater speaker is rated at 20W (8ohms) and can be used in
combination with the integral speaker of these units.
Connection to a more powerful amplifier will harm the speaker
and render the warranty void.
Connecting up
Connect the speaker into the top panel of the
2070/R as shown. In this way it will operate in
tandem with the integral speaker of the PA.
Connecting in reverse will disconnect the PA
speaker - this works equally well, but only someone
under the water will hear anything.
To avoid damage to the speaker during use, lower
it into the water using the cable, do not drop it or
throw it into the water!
If it’s not in the water
you won’t hear it !
Cant hear anything?
The speaker is designed to be used underwater
and works by moving water molecules. So, to test
it, the speaker needs to be in water. Also to hear it,
you must be in the water as well!
Take it out of the water and it will appear to have
stopped working
Safety:
See overleaf for some important safety
instructions and information
Page 2
Product Instruction Manual
1932 Underwater speaker
Important Safety Information
For Electrical safety requirements swimming pools are
divided into 3 zones
Zone A: The pool itself.
Zone B: The strip of land surrounding the pool 2m wide and
to a height of 2.5 above it.
Zone C: A further strip of land outside zone B 1.5m wide and
to a height of 2.5m above it.
Recommended Coomber equipment
We only recommend using our 2070/R and 2100/R portable
public address models, (They should only be used in zones B or C,
as described above and powered by the internal battery only even
if a mains supply is located nearby (because you may not be able
to guarantee the safety of that mains supply!).
Any mains supply should be protected by an RCD (leakage
breaker).
If you want to use mains operated equipment poolside, you must
familiarise yourself with the IEE wiring regulations section 602
which covers “swimming pools”. (the full IEE wiring regulations are
published in the UK as a British Standard BS 7671).
Any local regulations should be observed.
The regulations also show and greatly clarify the zone information.
Bear in mind that it might not be using the equipment– how can
you be sure that other users are familiar with those regulations, or
that they will act upon them!
So for safety we only recommend the use of our 2100/R,
2070/R models in battery mode only in zones B and C.
Do not dangle the speakers in the
water in such a way as to leave the
cable taut
Two things may happen.
Firstly the speaker plug might get pulled from the
socket, damaging the plug or the socket and
causing the speaker to sink to the bottom of the
pool.
Secondly, if the cable is stretched taut at the pool
edge then someone may trip over it. Remember
pool sides are often slippery and usually hard.
Placement in the pool area
It makes sense to have the PA as far as reasonable
from the pool edge and have it operated by an
observer, not a participant.
Even though we can protect parts of the PA using
silicon lubricants (if required); water dripping from
hands or wet hair will obviously increase the
chances of damaging components and circuits.
Always apply care and common sense when
handling the equipment.
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