User’s Manual
Version 1.0 May 2001
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KEYBOARDAMP/PASYSTEM KX1200
FOREWORD
Dear Customer,
Welcome to the team of KX1200 users and thank you very much for expressing your confidence in BEHRINGER
products by purchasing this keyboard amplifier.
It is one of my most pleasant tasks to write this letter to you, because it is the culmination of many months of
hard work delivered by our engineering team to reach a very ambitious goal: to present you with an excellent
keyboard amplifier that gives you a maximum of flexibility and performance with its unique sound character and
comprehensive set of functions. The task of designing our new KX1200 certainly meant a great deal of
responsibility, which we assumed by focusing on you, the discerning user and musician. It also meant a lot of
work and night shifts to accomplish this goal. But it was fun, too. Developing a product usually brings a lot of
people together, and what a great feeling it is when everybody who participated in such a project can be proud
of what we’ve achieved.
It is our philosophy to share our joy with you, because you are the most important member of the BEHRINGER
family. With your highly competent suggestions for new products you’ve greatly contributed to shaping our
company and making it successful. In return, we guarantee you uncompromising quality as well as excellent
technical and audio properties at an extremely affordable price (manufactured under ISO9000 certified
management system). All of this will enable you to fully unfold your creativity without being hampered by
budget constraints.
We are often asked how we can make it possible to produce such high-grade devices at such unbelievably low
prices. The answer is quite simple: it’s you, our customers! Many satisfied customers mean large sales
volumes enabling us to get better conditions of purchase for components, etc. Isn’t it only fair to pass this
benefit back to you? Because we know that your success is our success, too!
I would like to thank all people whose help on “Project KX1200” has made it all possible. Everybody has made
very personal contributions, starting from the designers of the unit, via the many staff members in our company
to you, the users of BEHRINGER products.
My friends, it’s been worth the trouble!
Thank you very much,
Uli Behringer
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KEYBOARDAMP/PASYSTEM KX1200
KEYBOARD AMP/PA SYSTEM
Ultra-flexible 120-Watt, 4-channel keyboard amplifier with effects path and microphone input
s Powerful 120-Watt (RMS) keyboard amplifier with built-in 3-way bass reflex cabinet
s Special custom-made 15" woofer, 5" midrange speaker plus tweeter
s 4-channel operation with line inputs and dedicated volume controls
s Effects/monitor path on all 4 channels
s Additional XLR input on channel 1 for microphone connection
s Tape input for line-level signals (e.g. CD player, drum computer)
s Tape output for recording and live applications
s Balanced direct output on XLR connector for easy connection to a mixing console
s Main Output for connection of additional power amps
s Active 4-band EQ with that excellent sound
s Short-circuit-proof and “indestructible” power amp with 2-stage fan
s Master Volume control and stereo headphones output
s Extremely rugged construction ensures long life even under the most demanding conditions
s Generously dimensioned power supply for excellent pulse response
s Manufactured under ISO9000 certified management system
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KEYBOARDAMP/PASYSTEM KX1200
TABLE OF CONTENTS
1. INTRODUCTION.....................................................................................................................5
1.1 Before you begin ............................................................................................................................. 6
1.2 Control elements ............................................................................................................................. 6
1.2.1 Front panel ........................................................................................................................... 6
1.2.2 Rear panel ............................................................................................................................ 7
2. WIRING EXAMPLES ...............................................................................................................8
2.1 Standard keyboard set-up with external drum computer and effects device...................................... 8
2.2 Expanded P.A. set-up with four instruments, microphone and connection to a
recording console............................................................................................................................ 8
3. AUDIO CONNECTIONS .........................................................................................................9
4. SPECIFICATIONS ................................................................................................................. 11
5. WARRANTY ...........................................................................................................................12
1. INTRODUCTION
Let’s be honest: as a keyboard player you’re one of those musicians who carry around so much equipment
that you never know how to get things connected properly, aren’t you? And probably the other guys in your
band do keep complaining about your alone using half of the channels on the mixing console, don’t they?
We knew that. And that’s why we designed the KX1200. Not only is this all-purpose amplifier the ideal tool to
amplify your keyboards, but it also forms a perfect base for building a small-scale P.A. system. But first things
firstꢀ
BEHRINGER is an audio engineering company that has been successfully developing professional products
for studio and live applications for many years now. Our range of products includes microphones and a variety
of 19" devices (compressors, enhancers, gates, tube processors, headphone amps, digital effects devices, DI
boxes, etc.) as well as monitoring and P.A. speakers plus professional live and recording consoles. We have
bundled our entire technical know-how and experience in your KX1200.
What are the features that a keyboard amplifier should have? Well, let’s take a look at your gear. You surely
have a couple of keyboard instruments and expanders, which you’d like to connect to one and the same amp
– at the same time. No problem with the KX1200. After all, it features four separate channels. Probably, you
also have an effects device to give that beloved organ sound the finishing touch. Here, too, your KX1200 is well
equipped in that it features a separate effects path, i.e. each of the four channels can have its own effect
intensity.
What about your voice? Wouldn’t you like to sing at least some of the songs you composed? We knew you
would. That’s why we equipped the KX1200 with an input for your microphone.
Well, and finally your drum computer and CD player loaded with sampling CD’s: simply connect them to the
tape input. And your headphones? Well, no need to askꢀ
Now we’ve come full circle: last time you rehearsed with your band, you occupied six channels plus effect path
on the console; now you only need one amp occupying just one console channel. Your co-musicians will be
grateful for that! And by the way: basically, the guitar or bass player in your band could also use your KX1200,
as long as you don’t need all four channels for your keyboards equipment.
No later than now it becomes clear that your KX1200 is anything but a “conventional” keyboard amp, doesn’t it?
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KEYBOARDAMP/PASYSTEM KX1200
1.1 Before you begin
Your KX1200 was carefully packed in the factory and the packaging is designed to protect the unit from rough
handling. Nevertheless, we recommend that you carefully examine the packaging and its contents for any
signs of physical damage, which may have occurred during transit.
+
If the unit is damaged, please do not return it to BEHRINGER, but notify your dealer and the
shipping company immediately, otherwise claims for damage or replacement may not be
granted. Shipping claims must be made by the consignee.
Be sure that there is enough air space around the unit for cooling and please do not place the KX1200 on
high-temperature devices such as power amps or radiators, etc. to avoid overheating.
+
Before you connect the KX1200 to the mains, please make sure that your local voltage matches
the voltage required by the unit:
The fuse holder on the female mains connector has 3 triangular markings, with two of these triangles opposing
each other. The KX1200 is set to the operating voltage printed next to these markers and can be set to another
voltage by turning the fuse holder by 180°. CAUTION: This instruction does not apply to export models
exclusively designed, e.g. for 115-V operation!
Please use the enclosed power cord to connect the unit to the mains. The cord complies with all applicable
safety standards.
+
Please note that all units must be grounded properly. For your own safety, you should never
remove any ground connectors from electrical devices or power cords or render them
inoperative.
+
Please note that extreme output volumes can lead to permanent hearing damage. Turn down
the VOLUME control before you switch on the unit. Be sure to use appropriate volume levels.
1.2 Control elements
1.2.1 Front panel
Your BEHRINGER KX1200 has four identical channels, and each of these channels has two controls. Since all
channels are identical, the following descriptions refer to one of them only.
Fig. 1.1: KX1200 front panel
1
2
Use the VOLUME control to adjust the channel volume.
The FX/MON control determines the channel’s effect intensity or monitor volume.
+
Basically, the VOLUME controls of channels 1 through 4 work like a “gain” control, i.e. you can
use these channels to connect any type of conventional keyboard or string instrument, and
adapt the input sensitivity with the VOLUME controls.
3
4
5
The BASS control allows you to boost/cut the bass frequencies.
The LOW MID control governs the low midrange frequencies.
Use the HIGH MID control to adjust the upper midrange frequencies.
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1. INTRODUCTION
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KEYBOARDAMP/PASYSTEM KX1200
6
7
8
The HIGH control allows you to boost/cut the treble frequency range.
Use the MASTER control to determine the KX1200’s overall volume level.
The stereo 1/4" HEADPHONES jack allows you to monitor the amp’s audio signal with a pair of
commercially available headphones. Connecting the headphones will mute the built-in speakers.
9
Use the POWER switch to switch your KX1200 on or off. The POWER LED located between the HIGH
and MASTER controls lights up when the unit is switched on.
1.2.2 Rear panel
Fig. 1.2: Rear panel connectors
10
FUSE HOLDER / VOLTAGE SELECTOR. Please make sure that your local voltage matches the voltage
indicated on the unit, before you attempt to connect and operate the KX1200. Blown fuses may only be
replaced by fuses of the same type and rating. Some models allow for inserting the fuse holder in two
different positions, in order to switch over from 230-V to 115-V operation, and vice versa. Please note
that for 115-V operation outside Europe, you need to use a fuse of a higher rating.
11
12
Use the enclosed power cord to connect the unit to the mains.
SERIAL NUMBER. Please take the time to fill out and return the warranty card within 14 days after the
date of purchase, so as to be entitled to benefit from our extended warranty. Or use our online registration
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The MAIN OUT allows you to connect the KX1200 to an external amplifier.
+
Use the MAIN OUT to connect the KX1200 to a mixing console, unless the console has balanced
inputs. In this case, you should always use the D.I. output of your KX1200.
14
15
16
LINE 1 - 4: These 1/4" TRS inputs are used to connect line-level instruments.
The balanced D.I. OUT (XLR) allows you to connect the KX1200 to the input of a mixing console.
The TAPE OUT connector (RCA) supplies the audio signal of your KX1200, for example to send it to a
recording machine.
17
The TAPE IN connector (RCA) allows you to connect an external signal source such as a drum computer
or other machine providing audio playbacks.
18
Connect the FX RETURN to the output of an external effects device.
+
19
The FX RETURN can also be used to feed in the output signal from an external amplifier.
Connect the FX/MON OUT to the input of an external effects device.
+
The FX/MON OUT can also be used as a monitor output. Use the FX/MON controls 1 through 4
to adjust the volume levels of the connected instruments as part of the monitor mix.
20
The MIC 1 input (XLR) allows you to connect a microphone.
+
Use channel 1 to connect either a microphone or a line-level signal, but never both at the
same time!
1. INTRODUCTION
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KEYBOARDAMP/PASYSTEM KX1200
2. WIRING EXAMPLES
2.1 Standard keyboard set-up with external drum computer and effects device
The standard set-up allows you to connect your entire keyboard equipment. Instead of the drum computer you
could also use some sort of playback provided, for example, by a tape deck or CD player.
Fig. 2.1: Standard set-up
2.2 Expanded P.A. set-up with four instruments, microphone and connection to a
recording console
For small gigs or rehearsals with a band we recommend using the wiring scheme below, which expands the
standard set-up described above.
+
+
Please remember to connect either a microphone or a line-level signal to channel 1, but never
both at the same time!
When you wish to connect an electric guitar, we recommend that you process the signal
before with a guitar preamp that features a speaker simulation circuit. Otherwise, the guitar
sound will suffer from excess presence in the treble range. The outputs of guitar preamps are
usually equipped with a speaker simulation circuit.
8
2. WIRING EXAMPLES
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KEYBOARDAMP/PASYSTEM KX1200
Fig. 2.2: Expanded set-up
3. AUDIO CONNECTIONS
The 1/4" jack inputs/outputs of your BEHRINGER KX1200 are on balanced mono jacks – except for the
LINE IN-connectors (TRS) and the stereo headphones connector. The DIRECT OUT and microphone input are
on balanced XLR connectors. The tape inputs/outputs are on cinch connectors.
+
Please ensure that only qualified personnel install and operate the KX1200. During installation
and operation the user must have sufficient electrical contact to earth, otherwise electrostatic
charges might affect the operation of the unit.
3. AUDIO CONNECTIONS
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KEYBOARDAMP/PASYSTEM KX1200
Fig. 3.1: Wiring of a stereo headphones 1/4" plug
Fig. 3.2: Different plug types
3. AUDIO CONNECTIONS
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KEYBOARDAMP/PASYSTEM KX1200
4. SPECIFICATIONS
AUDIO INPUTS
Line In 1 - 4
Input impedance
FX Return
1/4" TRS
approx. 30 kW balanced
1/4" stereo jack
Input impedance
Tape In
approx. 20 kW unbalanced
RCA connector
Input impedance
Mic 1
approx. 30 kW unbalanced
XLR connector
Input impedance
approx. 2 kW balanced
AUDIO OUTPUTS
Headphones connector
Main Out
1/4" stereo jack
1/4" stereo jack
Output impedance
D.I. Out
approx.100 W unbalanced
XLR connector
Output impedance
FX/Mon Out
approx. 100 W balanced
1/4" stereo jack
Output impedance
Tape Out
approx. 100 W unbalanced
RCA connector
Output impedance
< 10 kW unbalanced
SYSTEM SPECIFICATIONS
Power amp output
120 Watts into 4 W
WOOFER
Type
Impedance
Power handling
15B 120A4
4 W
150 W
HIGH MIDRANGE SPEAKER
Type
Impedance
Power handling
5M 120A8
8 W
120 W
TWEETER
Type
Piezo
POWER SUPPLY
Mains voltages
U.S./Canada
120 V ~, 60 Hz
U.K./Australia
240 V ~, 50 Hz
Europe
230 V ~, 50 Hz
General export model
160 W
100 - 120 V ~: T 5 A H
200 - 240 V ~: T 2.5 A H
Standard IEC receptacle
100 - 120 V ~, 200 - 240 V ~, 50 - 60 Hz
Power consumption
Fuse
Mains connection
PHYSICAL/WEIGHT
Dimensions (H * W * D)
Weight
approx. 27 5/8" (700 mm) * 21 1/4" (540 mm) * 11 3/4" (300 mm)
approx. 24 kg
BEHRINGER is constantly striving to maintain the highest professional standards. As a result of these efforts, modifications may be
made from time to time to existing products without prior notice. Specifications and appearance may differ from those listed or
illustrated.
4. SPECIFICATIONS
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KEYBOARDAMP/PASYSTEM KX1200
5. WARRANTY
§ 1 WARRANTY CARD/ONLINE REGISTRATION
To be protected by the extended warranty, the buyer must
complete and return the enclosed warranty card within 14 days
of the date of purchase to BEHRINGER Spezielle Studiotechnik
GmbH, in accordance with the conditions stipulated in § 3. Failure
to return the card in due time (date as per postmark) will void any
extended warranty claims.
3. Free inspections and maintenance/repair work are expressly
excluded from this warranty, in particular, if caused by improper
handling of the product by the user.
This also applies to defects caused by normal wear and tear, in
particular, of faders, potentiometers, keys/buttons and similar
parts.
Based on the conditions herein, the buyer may also choose to
use the online registration option via the Internet
4. Damages/defects caused by the following conditions are not
covered by this warranty:
s misuse, neglect or failure to operate the unit in compliance
with the instructions given in BEHRINGER user or service
manuals.
§ 2 WARRANTY
1. BEHRINGER (BEHRINGER Spezielle Studiotechnik GmbH
including all BEHRINGER subsidiaries listed on the enclosed page,
except BEHRINGER Japan) warrants the mechanical and
electronic components of this product to be free of defects in
material and workmanship for a period of one (1) year from the
original date of purchase, in accordance with the warranty
regulations described below. If the product shows any defects
within the specified warranty period that are not due to normal
wear and tear and/or improper handling by the user, BEHRINGER
shall, at its sole discretion, either repair or replace the product.
s connection or operation of the unit in any way that does not
comply with the technical or safety regulations applicable in
the country where the product is used.
s damages/defects caused by force majeure or any other
condition that is beyond the control of BEHRINGER.
5. Any repair or opening of the unit carried out by unauthorized
personnel (user included) will void the warranty.
6. If an inspection of the product by BEHRINGER shows that the
defect in question is not covered by the warranty, the inspection
costs are payable by the customer.
2. If the warranty claim proves to be justified, the product will be
returned to the user freight prepaid.
3. Warranty claims other than those indicated above are expressly
excluded.
7. Products which do not meet the terms of this warranty will be
repaired exclusively at the buyer’s expense. BEHRINGER will
inform the buyer of any such circumstance. If the buyer fails to
submit a written repair order within 6 weeks after notification,
BEHRINGER will return the unit C.O.D. with a separate invoice
for freight and packing. Such costs will also be invoiced
separately when the buyer has sent in a written repair order.
§ 3 RETURN AUTHORIZATION NUMBER
1. To obtain warranty service, the buyer (or his authorized dealer)
must call BEHRINGER (see enclosed list) during normal business
hours BEFORE returning the product. All inquiries must be
accompanied by a description of the problem. BEHRINGER will
then issue a return authorization number.
§ 5 WARRANTY TRANSFERABILITY
2. Subsequently, the product must be returned in its original
shipping carton, together with the return authorization number to
the address indicated by BEHRINGER.
This warranty is extended exclusively to the original buyer
(customer of retail dealer) and is not transferable to anyone
who may subsequently purchase this product. No other person
(retail dealer, etc.) shall be entitled to give any warranty promise
on behalf of BEHRINGER.
3. Shipments without freight prepaid will not be accepted.
§ 4 WARRANTY REGULATIONS
§ 6 CLAIM FOR DAMAGES
1. Warranty services will be furnished only if the product is
accompanied by a copy of the original retail dealer’s invoice.
Any product deemed eligible for repair or replacement by
BEHRINGER under the terms of this warranty will be repaired or
replaced within 30 days of receipt of the product at BEHRINGER.
Failure of BEHRINGER to provide proper warranty service shall
not entitle the buyer to claim (consequential) damages. In no
event shall the liability of BEHRINGER exceed the invoiced value
of the product.
§ 7 OTHER WARRANTY RIGHTS AND NATIONAL LAW
2. If the product needs to be modified or adapted in order to
comply with applicable technical or safety standards on a national
or local level, in any country which is not the country for which
the product was originally developed and manufactured, this
modification/adaptation shall not be considered a defect in
materials or workmanship. The warranty does not cover any
such modification/adaptation, irrespective of whether it was
carried out properly or not. Under the terms of this warranty,
BEHRINGER shall not be held responsible for any cost resulting
from such a modification/adaptation.
1. This warranty does not exclude or limit the buyer’s statutory
rights provided by national law, in particular, any such rights
against the seller that arise from a legally effective purchase
contract.
2. The warranty regulations mentioned herein are applicable
unless they constitute an infringement of national warranty law.
The information contained in this manual is subject to change without notice. No part of this manual may be reproduced or
transmitted in any form or by any means, electronic or mechanical, including photocopying and recording of any kind, for any
purpose, without the express written permission of BEHRINGER Spezielle Studiotechnik GmbH.
BEHRINGER is a registered trademark.ALL RIGHTS RESERVED.
© 2001 BEHRINGER Spezielle Studiotechnik GmbH.
BEHRINGER Spezielle Studiotechnik GmbH, Hanns-Martin-Schleyer-Str. 36-38, 47877 Willich-Münchheide II, Germany
Tel. +49 (0) 21 54 / 92 06-0, Fax +49 (0) 21 54 / 92 06-30
5. WARRANTY
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