KAM IMS Pro Instruction Manual

KAM IMSPRO & PROSUB

Professional active & passive 2 way PA enclosures

and active sub woofer speaker systems

INSTRUCTION MANUAL

OVERVIEW

Congratulations on your choice of new speakers… cool aren’t they? We are certainly very
proud of them. We believe in giving you products with the features and performance you want
at a price you can afford and the IMS Pro Speaker series is living proof of our commitment to
meeting that goal. We know you’re itching to get them fired up but bear with us and we’ll run
through a few things you should know that will help you get the best from your new speakers
and ensure that they last as long as you want them to.

There are seven products in the IMS series:
IMS Pro10 200W RMS passive speaker

IMS Pro12 300W RMS passive speaker

IMS Pro15 400W RMS passive speaker

IMS Pro12A 300W RMS active speaker

IMS Pro15A 400W RMS active speaker

PRO Sub15A 2 x 200W + 350W RMS active sub bass cabinet with

integrated additional amplification for satellite speakers

PRO Sub18A 450W RMS active sub bass cabinet

IMS PRO10, IMS PRO12 & IMS PRO15

These are all two way, full frequency passive loudspeakers and they need to be connected to
an external amplifier.

What sort of amplifier is right for your speakers?

So that you get the best sound and avoid unnecessary damage to your IMS Pro speakers it is
important that you only use them with an appropriate amplifier.

Your speakers have a maximum power rating;
IMS Pro10 can tolerate a 200W Continuous or a 400W Peak signal.
IMS Pro12 can tolerate a 300W Continuous or a 600W Peak signal.
IMS Pro15 can tolerate a 400W Continuous or an 800W Peak signal.

These figures are there to guide you in your choice of amplifier. If you use an amplifier which is
too powerful or not powerful enough you could damage either your amplifier or your speakers
so you need to find an amplifier with a stated maximum power output that is just right for
your speakers.

Only use amplifiers with a stated power output rating of
200W RMS (per channel) with your IMS Pro10 speakers.

Only use amplifiers with a stated power output rating of
300W RMS (per channel) with your IMS Pro12 speakers.

Only use amplifiers with a stated power output rating of
400W RMS (per channel) with your IMS Pro15 speakers.

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Your speakers also have another rating. We call it ‘Impedance’. It is actually a measurement of
the amount of resistance the speaker presents to your amplifier. Your IMS Pro speakers have an
impedance rating of 8 Ohms.

• It is important that you only ever use your speakers with an amplifier which has an
output impedance rating of 8 Ohms. Some amplifiers and speakers have an impedance
rating of 4 or 6 Ohms.

• Using mis-matched amplifiers and speakers can damage both your speakers and
your amplifier.

• Your speakers are guaranteed against manufacturing defects but they are not
guaranteed against accidental user damage or normal wear and tear.

HOW TO CONNECT YOUR IMS PRO10, IMS PRO12 & IMS PRO15 SPEAKERS
TO YOUR AMPLIFIER

Connection types

Your speakers have two ‘Speakon’ type connection sockets (pro multi-pole speaker sockets)
on the back. One is marked ‘input’ - this is the one you use to connect the speakers to your
amplifier. The second socket is marked ‘through’ - this one is used for connecting several sets
of IMS Pro speakers ‘in series’ to the same amplifier.

On the back of your amplifier you will find a set of connections marked either ‘speakers’ or
‘output’. The type of connections you will find will vary according to the type of amplifier you
have. You may need to consult your amplifier’s user manual to find out what type of speaker
output connections your amplifier has and how you should connect your speakers to it.

You will need an appropriate speaker cable (there is a free cable in the box) to connect your
speakers to your amplifier. Each cable will need to have a pro multi-pole speaker plug correctly
attached at one end and the appropriate connection type for your amplifier at the other.

The pro multi-pole speaker connections on your IMS Pro speaker are internally wired with
a standard four pin, +2/-2 configuration so you should ONLY use speaker cables configured
in this way. Using incorrectly wired cables could damage your speakers.

• Always ensure that the amplifier has its volume controls turned to zero and that it’s
mains power is switched off when making connections.

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LATCH

2+

2-

STANDARD +2/-2 SPEAKER PLUG WIRING

1. Place your amplifier and speakers where you want them but ensure that you can access
the connections.

2. Connect one end of each cable to the speaker output connections on your amplifier and
the other end of each cable to the ‘input’ sockets on your speakers.

3. Make sure you follow the rules of stereo connection;
If you are using a professional Power Amplifier you should find that if you look at the front
of the amplifier the left channel is marked ‘A’ and the right channel is marked ‘B’. If you
look at the back of the amplifier you should find that the speaker output connections are
also marked ‘A’ and ‘B’. Connect the left speaker to channel ‘A’ and the right speaker to
channel ‘B’.

4. Once you have connected your speakers, ensure that you have made the right connection
between your amplifier and the rest of your set up… DJ mixer, CD player etc. You may
need to consult your other equipment’s user manuals for help with this.

Always turn on your equipment in the following order;

1. Turntables, CD players etc - but don’t start playing any music yet

2. DJ mixer (if you use one) - but make sure that the output volume is at zero

3. Amplifier

Now you are ready to play some music;

1. Put on a record, slide in a CD etc and start it playing

2. If you use a DJ mixer, use it to set up optimum input and output signal levels - the level
meter should be peaking at around zero dB

3. Slowly turn up the volume control(s) on your amplifier - if you have used the right cables
and made all of your connections correctly you should clearly hear music.

4. If you do not hear any music or it sounds all wrong, even at low volumes, check all your
connections and cables.

5. When the music reaches the desired listening level, stop turning up the amplifiers volume
controls.

6. Your IMS Pro speakers are designed to deliver quality sound reproduction and plenty of
power but it is possible to overload them. If your sound becomes distorted at very high
listening levels you probably need to turn down your amplifier or DJ mixer.

IMS PRO12A & IMS PRO15A

Your IMS Pro12A & IMS Pro15A speakers are ‘active’, which means they have built in
amplification and therefore do not require the use of an external amplifier. You can connect
either a microphone or any line level equipment directly to your speakers but there are a few
simple rules to follow.

Signal Levels and Types

On the back panel you will find a single ‘Jack’ type socket marked Input. This is a balanced TRS
socket that accepts cables fitted with either balanced TRS or unbalanced TS type ‘Jack’ plugs.
This socket is accompanied by a switch that adjusts the input to accept either microphone or
line level signals.

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