KXB15 Keyboard
Amplifier
User’s Guide
Congratulations!
You are now the proud owner of the Crate KXB15 keyboard amplifier. This compact powerhouse offers warm clean tones and easy-to-use equalization. Each of the two input jacks has
its own level control so you can mix your keyboard with another instrument or a Hi-Z vocal mic.
The CD input also allows you to play along with your favorite music. The Headphone jack
allows for private practicing and the external speaker jack allows you to connect the amp to
another speaker cabinet.
Like all Crate products, your KXB15 is designed by musicians, and built using only the best
components. Extensive testing at the hands (and ears) of skilled technicians and musicians
insures you that this amplifier is the absolute best it can be.
In order to get the most out of your new amplifier, we strongly urge you to go over the information contained in this manual before you begin playing.
And thank you
for choosing
KXB15 Keyboard Amplifier
IMPORTANT SAFETY INSTRUCTIONS
• READ, FOLLOW, HEED, AND KEEP ALL INSTRUCTIONS AND WARNINGS.
• DO NOT OPERATE NEAR ANY HEAT SOURCE AND DO NOT BLOCK ANY VENTILATION OPENINGS ON THIS APPARATUS. FOR
PROPER OPERATION, THIS UNIT REQUIRES 3” (75mm) OF WELL VENTILATED SPACE AROUND HEATSINKS AND OTHER AIR
FLOW PROVISIONS IN THE CABINET.
• DO NOT USE THIS APPARATUS NEAR SPLASHING, FALLING, SPRAYING, OR STANDING LIQUIDS.
• CLEAN ONLY WITH LINT-FREE DAMP CLOTH AND DO NOT USE CLEANING AGENTS.
• ONLY CONNECT POWER CORD TO A POLARIZED, SAFETY GROUNDED OUTLET WIRED TO CURRENT ELECTRICAL CODES AND
COMPATIBLE WITH VOLTAGE, POWER, AND FREQUENCY REQUIREMENTS STATED ON THE REAR PANEL OF THE APPARATUS.
• PROTECT THE POWER CORD FROM DAMAGE DUE TO BEING WALKED ON, PINCHED, OR STRAINED.
• UNPLUG THE APPARATUS DURING LIGHTNING STORMS OR WHEN UNUSED FOR LONG PERIODS OF TIME.
• ONLY USE ATTACHMENTS, ACCESSORIES, STANDS, OR BRACKETS SPECIFIED BY THE MANUFACTURER FOR
SAFE OPERATION AND TO AVOID INJURY.
• WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK OR FIRE, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
• SERVICE MUST BE PERFORMED BY QUALIFIED PERSONNEL.
• OUR AMPLIFIERS ARE CAPABLE OF PRODUCING HIGH SOUND PRESSURE LEVELS. CONTINUED EXPOSURE TO HIGH SOUND
PRESSURE LEVELS CAN CAUSE PERMANENT HEARING IMPAIRMENT OR LOSS. USER CAUTION IS ADVISED AND EAR PROTECTION IS RECOMMENDED IF UNIT IS OPERATED AT HIGH VOLUME.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE. TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT
REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
"IT IS NECESSARY FOR THE USER TO REFER TO THE INSTRUCTION MANUAL"
“ES NECESARIO QUE EL USUARIO SE REFIERA AL MANUAL DE INSTRUCCIONES.”
"REFERREZ-VOUS AU MANUAL D'UTILISATION"
EXPLANATION OF GRAPHICAL SYMBOLS:
EXPLICACION DE SIMBOLOS GRAFICOS:
EXPLICATION DES SYMBÔLES GRAPHIQUES:
"DANGEROUS VOLTAGE"
“VOLTAJE PELIGROSO”
"DANGER HAUTE TENSION"
=
=
PRECAUCION
RIESGO DE CORRIENTAZO
NO ABRA
PRECAUCION: PARA REDUCIR EL RIESGO DE INCENDIOS O DESCARGAS
ELECTRICAS, NO PERMITA QUE ESTE APARATO QUEDE EXPUESTO A LA
LLUVIA O LA HUMEDAD. PARA DISMINUOIR EL RIESGO DE CORRIENTAZO.
NO ABRA LA CUBIERTA. NO HAY PIEZAS ADENTRO QUE EL USARIO PUEDO
REPARAR DEJE TODO MANTENIMIENTO A LOS TECHNICOS CALIFICADOS.
ATTENTION
RISQUE D'ELECTROCUTION
NE PAS OUVRIR
ATTENTION: PROTÉGEZ CET APPAREIL DE LA PLUIE ET DE L'HUMIDITÉ
AFIN D'ÉVITER TOUT RISQUE D'INCENDIE OU D'ÉLECTROCUTION. POUR
REDUIRE D'ELECTROCUTION NE PAS ENLEVER LE COUVERCLE. AUCUNE
PIECE INTERNE N'EST REPRABLE PAR L'UTILISATEUR. POUR TOUTE
REPARATION, S'ADRESSER A UN TECHNICIEN QUALIFIE.
R
System Block Diagram:
LIMITER
INPUT
1
INPUT
2
LEVEL1
LEVEL 2
EQ
LO LO
MIDHIMID
HI
CD INPUT
POWER
AMP
ATTENUATOR
EXT.
SPEAKE
HEAD
PHONES
1. INPUT 1: Use this 1/4” jack to connect
your keyboard or other line level signal to
the amplifier by means of a shielded instrument cable. The signal level at this jack is
controlled by the Level 1 knob (#3).
2. INPUT 2: Use this 1/4” jack to connect
your keyboard or other line level signal to
the amplifier by means of a shielded instrument cable. The signal level at this jack is
controlled by the Level 2 knob (#4).
3. LEVEL 1: Use this control to adjust the
level of the signal connected to the Input 1
jack (#1).
4. LEVEL 2: Use this control to adjust the
level of the signal connected to the Input 2
jack (#2).
5. LOW: Use this control to adjust the bass
response of the amplifier. Rotating the
control counterclockwise reduces the low
frequency output. Rotating the control
clockwise increases the low frequency output. It may be necessary to reduce the Low
frequency output at higher volume levels.
6. LO MID: Use this control to adjust the
“thickness” or “fatness” of the amplifier.
Rotating the control counterclockwise
reduces the lower midrange frequency output. Rotating the control clockwise increases the lower midrange frequency output.
7. HI MID: Use this control to adjust the
clarity and definition of the amplifier.
Rotating the control counterclockwise
reduces the upper midrange frequency output. Rotating the control clockwise increases the upper midrange frequency output.
8. HIGH: Use this control to adjust the high
frequency response of the amplifier.
Rotating the control counterclockwise
reduces the high frequency output.
Rotating the control clockwise increases
the high frequency output.
9. CD INPUT: Use these RCA jacks to connect the output from a CD player or tape
deck to the amplifier. The signal at these
jacks is combined into a mono signal which
is sent to the internal power amp circuit.
Use the CD or tape player’s output level
control to adjust the signal for the proper
mix with your instrument.
10. (EXTERNAL SPEAKER): Use this
jack to connect the amplifier to an external
speaker. The internal speaker is disconnected when this jack is used. The impedance of the external speaker must be 4
ohms or greater.
WARNING: Do not attempt to use headphones in the Speaker jack! Permanent
hearing damage could result!
11. (HEADPHONES): Use this jack to
connect headphones to the amplifier. The
internal speaker is disconnected when this
jack is used. Aline level signal can also be
obtained from this jack for recording, etc.
CAUTION: To avoid possible damage to
your hearing, do not use headphones for
extended periods of time at extremely
loud levels.
12. ON: This LED illuminates when the
amplifier is turned on.
13. POWER: Use this switch to turn the
amplifier on (top of the switch depressed)
and off (bottom of the switch depressed).
14. POWER CORD (rear panel, not
shown): The grounded power cord should
only be plugged into a grounded power
outlet that meets all applicable electrical
codes and is compatible with the voltage,
power, and frequency requiremnts stated
on the rear panel. Do not attempt to
defeat the safety ground connection.
KXB15 Keyboard Amplifier
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KXB15 Keyboard Amplifier
KXB15 TECHNICAL SPECIFICATIONS:
Maximum Input Signal Level Accepted 15 volts peak to peak
load – 120 VAC line
Low Control 15dB Range @ 50Hz
Low Mid Control 12dB Range @ 250Hz
High Mid Control 13dB Range @ 1kHz
High Control 27dB Range @ 10kHz
Input Power Requirements 120 VAC, 60Hz, 30VA
100/110 VAC, 50/60Hz, 30VA
230 VAC, 50/60Hz, 30VA
Speaker Size and Rating Crate Custom Design 8”, 15 watts
Cabinet Size and Weight 14” H x 15” W x 12-1/2” D, 19 lbs.
©2004 SLM ELECTRONICS, A DIVISION OF ST. LOUIS MUSIC, 1400 FERGUSON, ST. LOUIS, MO. U.S.A. 63133
P/N 47-716-01 •091404
www. crateamps.com
Declaration of Conformity
Manufacturer’s Name: SLM Electronics
Corporate Headquarters: 1901 Congressional Drive, St. Louis, Missouri 63146
Primary Production Facility: 700 Hwy 202 W, Yellville, Arkansas, 72687
Product Type: Audio Amplifier
Products meet the regulations for compliance marking under:
ETL standards UL6500, UL60065, or UL813
CSA standards E60065 or C22.2 No.1-M90
CE safety standard EN60065
CE EMC standards EN55103 or EN55013 and EN61000
C-tick designation Level 2, ABN #56748810738, ARBN# N222
KETI standard K60065 (limited model approval)
Compliance Support Contact: SLM Electronics, Attn: R&D Compliance Engineer
1901 Congressional Drive, St Louis, Missouri, 63146 • Tel.: 314-569-0141, Fax: 314-569-0175
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