BT10
BASS AMPLIFIER
USER'S GUIDE
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 PRO-
TECTION 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 MOIS-
TURE. 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.
BT10 Bass Amplifier
Congratulations!
You are now the proud owner of the compact Crate BT10 Bass
Amplifier. The BT10 features three bands of equalization, an
external speaker jack and a jack for headphones.
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 Crate.
1
2
3
4
5
6
7
8
9
1. INPUT: Connect your bass here by means of a shielded instrument cable.
2. LEVEL: Use this control to adjust the overall output level of the amp.
3. LOW: Use this control to adjust the low frequency output level. Rotating the control
counter clockwise reduces the low frequency output, rotating the control clockwise
increases it.
4. MID: Use this control to adjust the midrange frequency output level. Rotating the
control counter clockwise reduces the midrange frequency output, rotating the control
clockwise increases it.
5. HIGH: Use this control to adjust the high frequency output level. Rotating the con-
trol counter clockwise reduces the high frequency output, rotating the control clock-
wise increases it.
6. EXTERNAL SPEAKER: Use this jack to connect the amplifier to an external speak-
er cabinet. The internal speaker is disconnected when this jack is used.
7. HEADPHONES: Use this jack to connect a pair of stereo headphones for private
listening. The internal speaker is disconnected when this jack is used.
8. ON LED: This LED illuminates when the amplifier is on.
9. POWER SWITCH: Use this switch to turn the amplifier on (top of the switch
depressed) and off (bottom of the switch depressed).
10. AC LINE IN: (Rear panel, not shown) The grounded power cord should only be
plugged into a grounded outlet that meets all applicable electrical codes and is com-
patible with the voltage, power, and frequency requirements stated on the rear label.
DO NOT attempt to defeat the safety ground connection.
WARNING: DO NOT CONNECT HEAD-
PHONES TO THE SPEAKER JACK.
HEARING DAMAGE MAY RESULT.
BT10 Bass Amplifier
©2003 ST. LOUIS MUSIC, 1400 FERGUSON, ST. LOUIS, MO. 63133
47-380-01 · 012704
BT10 Bass Amplifier
Output Power Rating
10 watts @ 1% THD
14 watts @ 10% THD
Speaker Size
8"
Input Impedance
500k ohms
Minimum Noise
1mV
Maximum Noise
10mV
Distortion
0.9%
Input Power Requirements
120 VAC, 60Hz, 20VA
100/115VAC, 50/60Hz, 20VA
230VAC, 50/60Hz, 20VA
Cabinet Size and Weight
13-3/4" H x 13" W x 8-1/2" D, 14.5 lbs.
BT10 TECHNICAL SPECIFICATIONS
Crate continually develops new products, as well as improves existing ones. For this reason, the
specifications and information in this Crate manual are subject to change without notice.
www.crateamps.com
INPUT
LEVEL
LOW MID HIGH
B+
B
POWER SW
POWER LED
AMP
POWER SUPPLY
AC POWER
BUFFER
PRE AMP
PRE AMP
SPEAKER
HEADPHONES
EXTERNAL
SPEAKER
Block Diagram: