Crate Amplifiers Stereo Amplifier BFX100 User Manual

BFX100  
BASS AMPLIFIER  
WITH  
DIGITAL SIGNAL  
PROCESSING  
BFX100  
DSP  
OWNER’S MANUAL  
Congratulations!  
You are now the proud owner of the portable and powerful Crate BFX100 Bass  
Amplifier with Digital Signal Processing. The BFX100 offers a wide selection of digi-  
tal effects designed especially for the bass guitar, each of which are easily accessed  
with a simple turn of a control knob. (No programmer’s degree required!) The BFX100  
boasts an improved cabinet design with a front port, an extended range bass driver,  
an extremely clean power amp and very flexible tone circuitry. The balanced line out  
jack has a level control for the best signal match to a recording console or live PA sys-  
tem, and is selectable for either pre or post EQ. The built-in limiter ensures pure,  
clean power even at its full 100 watts output. An effects loop, a headphones jack, and  
an extension speaker jack add to the overall versatility of this incredible bass amp.  
Your BFX100 is Musician Made in the U.S.A., using only the best components.  
Extensive testing at the hands (and ears) of skilled technicians and musicians  
ensures you that this amplifier is the absolute best it can be.  
In order to get the most out of your new bass amp, we urge you to read this man-  
ual before you begin playing.  
And thank you for choosing  
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BFX100 Bass Amplifier  
The Front Panel:  
INPUT  
CONTOUR  
EQUALIZATION  
MASTER  
9
8
1
2
3
4
5
6
7
1. INPUT: The signal output from an instru-  
ment (active or passive) or a line level signal  
may be connected here by means of a  
shielded instrument cable.  
depressed. The setting of this control shifts  
the frequency where the contour effect is  
centered, giving you a wide variety of tonal  
variations, from a studio “V”-shaped tone to a  
sound that’s more “live” and up-front.  
2. -15dB/0dB: This switch, when depressed,  
attenuates the input signal by 15dB.  
Attenuation allows the Gain control (#3) to be  
functional over a larger portion of its range. If  
the Gain control is near minimum and the  
Peak LED (#4) is flashing (indicating clipping  
of the input signal), attenuation is needed.  
6: CONTOUR ACTIVE: This switch, when  
depressed, activates the Contour Shape con-  
trol (#5).  
7. GRAPHIC EQ: Use these sliders to adjust  
the output signal to best suit your playing  
style, to match room acoustics, and to get the  
best overall sound. The sliders control the  
output of the frequencies indicated below  
each control. The center position of each  
control is flat (no boost or cut).  
3. GAIN: This serves as the input signal level  
control for the amplifier, allowing you to  
adjust the amplifier for the best signal to  
noise ratio.  
4. PEAK LED: This LED flashes when the  
signal level into the preamp approaches clip-  
ping. Adjust the Gain control (#3) until a  
strong signal from your instrument causes  
this LED to flicker.  
8. MASTER LEVEL: This is the overall out-  
put level control for the amplifier.  
9. LIMIT: The BFX100 uses an internal limit-  
ing circuit to assist in keeping the power  
amplifier’s output “clean” at extreme volume  
levels. (All amplifiers begin to clip their output  
signals as they approach maximum output  
levels, resulting in distortion which may dam-  
age the speaker.) Whenever the amplifier is  
at full power, this LED will flash. This is an  
indication that the limiter is keeping peak sig-  
nals from clipping the output.  
NOTE: If the LED flashes frequently with the  
gain control at a low setting, use the -15dB  
pad (#2) to attenuate the input signal, then  
readjust the gain.  
5: CONTOUR SHAPE: This control is only  
active when the Contour Active switch (#6) is  
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BFX100 Bass Amplifier  
DSP  
BFX100  
ON  
10  
11  
12  
13  
14  
15 16  
17  
10. DSP MODE: Select the type of digital  
effect(s) applied to the signal with this con-  
trol. The effects are described as follows:  
13. INSERT: Connect an external effects  
device using this jack. Use a stereo 1/4” male  
Y-cord: ring = send, tip = return, sleeve =  
ground. See the illustration to the right for  
more information.  
DELAY: Slapback delay effect  
ECHO: Long delay effect with regeneration  
CHORUS: Chorus effect  
14. HEADPHONES: For private listening,  
connect a pair of stereo headphones into this  
jack. The internal speaker is disconnected  
when headphones are plugged in.  
FLANGE: Light flange effect  
FUNK-WAH: Touch-sensitive wah-wah (“T-Wah”)  
effect  
15. SPEAKER: Use this jack to connect the  
amplifier to an external speaker with a mini-  
mum impedance rating of 4 ohms. The inter-  
nal speaker is disconnected when this jack is  
used.  
OCTAVE: Adds secondary note one octave  
lower than original note  
CHO/HALL: Chorus effect with large hall reverb  
effect  
RM: Small room reverb effect  
HALL: Large hall reverb effect  
WARNING: TO AVOID POSSIBLE  
HEARING DAMAGE, DO NOT  
USE HEADPHONES IN THE  
SPEAKER JACK!  
11. DSP LEVEL: This is the output level con-  
trol for the selected DSP effect(s). For a dry  
signal (no effect), rotate the control full  
counter-clockwise. Rotating the control  
clockwise increases the magnitude of the  
DSP effect(s) applied to the signal.  
16. ON LED: This LED will illuminate when  
the amplifier is turned on.  
17. POWER: This switch applies AC power  
to the amplifier. The amplifier is ON when the  
side of the switch with the indicator (|) is  
depressed.  
12. DSP FOOTSWITCH: Connect a one but-  
ton footswitch (such as the Crate CFP-1)  
here for remote on/off control for the internal  
DSP effects.  
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BFX100 Bass Amplifier  
The Rear Panel:  
BALANCED LINE OUT  
PRE  
POST  
LEVEL  
18  
19  
20  
21 22  
18. FUSE: This protects the unit from dam-  
age due to overload conditions or power line  
surges. If the fuse blows, replace it only with  
the same size and type.  
post-EQ—the output signal is affected by the  
gain, contour and graphic EQ controls.  
22. BALANCED LINE OUT LEVEL: Use this  
control to adjust the output signal at the  
Balanced Line Out jack (#20). This control  
works independently from the the front panel  
Master Level control.  
19. AC LINE CORD: Plug this cord into a  
properly wired, grounded, 120 volt, 60 cycle  
outlet. DO NOT attempt to defeat the  
ground connection of this power cord! If  
your amplifier was purchased outside of the  
United States, see the unit’s rear panel label-  
ing for its power rating, and follow the above  
guidelines.  
Connecting to the Insert jack:  
The Insert jack (#13) lets you patch external  
effects into the amplifier just prior to its power  
amp stage. Use Crate’s STP201, STP202 or  
STP203 stereo-to-mono Y-cord or an adapter  
such as Crate’s YPP117 and 2 1/4” mono signal  
cables to connect to the effect as shown below.  
20. BALANCED LINE OUT: This XLR-type  
connector supplies a balanced preamp output  
signal for connecting to a house mixing board,  
recording console or external amplifier with  
balanced inputs. The signal can be set to Pre  
or Post EQ by the Pre/Post switch (#21). The  
line out signal level can be controlled by the  
Balanced Line Out Level control (#22).  
Stereo-to-mono Y-cord:  
Y-adapter and 2 cables:  
TIP  
RING  
SLEEVE  
RETURN  
TIP  
to Insert  
jack  
to Insert  
jack  
SEND  
RING  
GROUND  
SLEEVE  
(STP201, 3'  
STP202, 6'  
STP203, 9')  
(YPP117)  
21. PRE/POST SWITCH: You can select  
either Pre or Post EQ for the signal at the  
Balanced Line Out jack (#20) with this switch.  
When the switch is depressed, the signal at  
the jack is pre-EQ—a direct output, not affect-  
ed by the gain, contour, or graphic EQ. When  
the switch is in the out position, the signal is  
(1/4"-TO-1/4"  
MONO SHIELDED  
CABLES)  
to  
to  
to  
effect  
"IN"  
to  
effect  
"IN"  
effect  
"OUT"  
jack  
effect  
"OUT"  
jack  
jack  
jack  
External Effect  
External Effect  
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BFX100 Bass Amplifier  
Suggested Starting Tone Settings:  
ROCK:  
CONTOUR  
CONTOUR  
CONTOUR  
CONTOUR  
EQUALIZATION  
EQUALIZATION  
EQUALIZATION  
EQUALIZATION  
MASTER  
MASTER  
MASTER  
MASTER  
OUT  
IN  
JAZZ:  
COUNTRY:  
IN  
FUNK:  
IN  
System Block Diagram:  
INPUT  
R
8-BAND  
GRAPHIC  
CONTOUR  
INSERT  
T
GAIN  
LEVEL  
ON/  
OFF  
SHAPE  
-15dB PAD  
DSP  
POWER  
AMP  
PEAK  
LED  
LEVEL  
POST  
EQ  
EXT.  
BAL.  
LINE  
OUT  
MODE  
SPEAKER  
LIMIT  
LED  
PRE  
EQ  
BAL. LINE  
OUT LEVEL  
FOOT  
SWITCH  
HEAD  
PHONES  
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BFX100 Bass Amplifier  
BFX100 Technical Specifications:  
Output Power Rating  
100 watts RMS @ 1% THD 4 ohms, 120 VAC  
Speaker Size and Rating  
Custom Design 15” with 2” voice coil  
Power Handling: 150 watts RMS  
Graphic Equalizer  
24dB range @ 50Hz, 100Hz, 225Hz, 625Hz,  
1.6kHz 4kHz, 8kHz and 16kHz  
Input Impedance  
200k ohms  
Maximum Input Signal Level Accepted  
Gain @ 1kHz  
15 volts, peak-to-peak  
65dB w/EQ flat, contour off  
Line Output Jack  
2 volts peak-to-peak @ full rated power  
2 volts peak-to-peak @ full rated power w/600load  
Balanced Line Out Jack  
Signal to Noise Ratio  
65dB below full power, tones flat, contour off,  
gain and level @ “10”  
Input Power Requirements  
Size and Weight  
120 VAC, 60Hz, 115VA  
100/110VAC, 50/60Hz, 115VA  
230VAC, 50/60Hz, 115VA  
25” H x 20.75” W x 15.75” D, 67 lbs.  
Specifications subject to change without notice.  
THIS EQUIPMENT HAS BEEN  
ESTE APARATO HA SIDO DISENADO Y  
CONSTRUIDO PARA PROVEER ANOS  
CET ÉQUIPEMENT AVAIT ÉTÉ INVEN-  
TÉ ET ARRANGÉ POUR POURVOIR  
DES ANNÉES D'USAGE SAUF ET  
SÛR. POUR PROLONGER LA VIE DE  
CET APPAREIL ET POUR EMPÊCHER  
LES DOMMAGES ET LES TORTS  
DESIGNED AND ENGINEERED TO  
PROVIDE SAFE AND RELIABLE  
OPERATION. IN ORDER TO PRO-  
LONG THE LIFE OF THE UNIT AND  
PREVENT ACCIDENTAL DAM-  
AGES OR INJURY, PLEASE FOL-  
LOW THESE PRECAUTIONARY  
GUIDELINES:  
CAUTION  
DE OPERACION SEGURA  
Y
CONFI-  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
ABLE. PARA PROLONGAR LA VIDA DE  
ESTA UNIDAD E IMPEDIR DANOS ACCI-  
DENTALES POR FAVOR SIGA ESTAS  
INSTRUCCIONES PREVENTIVAS:  
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,  
DO NOT REMOVE COVER.  
ACCIDENTELS,  
SUIVEZ  
LES  
NO USER-SERVICEABLE PARTS INSIDE.  
INSTRUCTIONS DE PRÉCAUTION.  
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.  
PRECAUCION: PARA DISMINUIR EL  
RIESGO  
DE  
DESCARGAS  
AVERTISSEMENT: POUR RÉDUIRE  
LES RISQUES D'ÉLECTROCUTION:  
(1) N’OUVREZ PAS LE CHÂSSIS, (2)  
NE PAS ESSAYER DE SUPPRIMER  
LA BROCHE CORRESPONDANT À LA  
TERRE.  
CAUTION: TO REDUCE THE RISK  
OF ELECTRIC SHOCK, DO NOT  
OPEN CHASSIS; DO NOT DEFEAT  
OR REMOVE THE GROUND PIN  
OF THE POWER CORD; CON-  
ELECTRICAS: (1) NO ABRA LA CUBIER-  
TA, (2) NO ES RECOMENDABLE  
PRECAUCION  
REMOVER  
O
DESACTIVAR LA PATA  
RIESGO DE CORRIENTAZO  
NO ABRA  
DEL POLO A TIERRA DEL CABLE DE  
CORRIENTE, CONECTE CORRECTA-  
MENTE A UNA TOMA DE CORRIENTE A  
TIERRA.  
PRECAUCION 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  
NECT ONLY TO  
A
PROPERLY  
ATTENTION: POUR RÉDUIRE LES  
RISQUES D'UN FEU OU D'ÉLECTRO-  
CUTION, N’EXPOSEZ PAS L'AP-  
GROUNDED AC POWER OUTLET.  
WARNING: TO REDUCE THE RISK  
OF FIRE OR ELECTRIC SHOCK,  
DO NOT EXPOSE THIS EQUIP-  
MENT TO RAIN OR MOISTURE.  
ADVERTENCIA:  
PARA  
EVITAR  
DESCARGAS EL ECTRICAS O PELIGRO  
DE INCENDIO, NO DEJE ESTE APARA-  
PAREIL  
TEUR.  
À
LA PLUIE OU  
À
LA MOI-  
TO EXPUESTO  
HUMEDAD.  
A
LA LLUVIA  
O
ATTENTION: IL N'Y  
A
PAS D’ÉLÉ-  
ATTENTION  
CAUTION: NO USER-SERVICE-  
ABLE PARTS INSIDE. REFER SER-  
VICING TO QUALIFIED SERVICE  
PERSONNEL.  
MENTS RÉPARABLES DANS L'AP-  
PAREIL. CONSULTER UN TECHNI-  
CIEN QUALIFIÉ POUR LES RÉPARA-  
TIONS.  
RISQUE D'ELECTROCUTION  
NE PAS OUVRIR  
PRECAUCION: NO HAY PIEZAS ADEN-  
TRO QUE EL USUARIO PUEDE  
REPARAR. DEJE TODO MANTENIMIEN-  
TO A LOS TÉCNICOS CALIFICADOS.  
ATTENTION: 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.  
CAUTION: 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.  
ATTENTION: NOS AMPLIFICATEURS  
SONT CAPABLES DE LA PRODUC-  
TION DES NIVEAUX DE SON D'UNE  
HAUTE PRESSION. L'EXPOSITION  
CONTINUE AUX CES NIVEAUX PEUT  
CAUSER LA SURDITÉ PERMANENTE.  
LA PRUDENCE EST ADVISÉ À UTIL-  
ISATEUR ET LA PROTECTION DES  
OREILLES EST RECOMMANDÉ SI  
L'APPAREIL EST UTILISÉ À UN HAUT  
NIVEAU DE VOLUME.  
PRECAUCION: NUESTROS AMPLIFI-  
CADORES PUEDEN PRODUCIR NIVE-  
LES DE PRESION DE SONIDO ALTO.  
EXPOSICION CONTINUADA  
A
LOS  
VORSICHT  
NIVELES DE PRESION DE SONIDO  
ALTO PUEDE CAUSA DANO PERMA-  
NENTE A SU OIDO. ES ACONSEJADO  
QUE USE PRECAUCION AL USUARIO Y  
ES RECOMENDADO PROTECCION  
PARA LOS OIDOS SI LA UNIDAD ES  
OPERADAA VOLUMEN ALTO.  
ELEKTRISCHE SCHLAGGEFAHR  
NICHT OFFENEN  
VORSICHT: ZUR MINIMIERUNG ELEKTRISCHER SCHLAGGEFAHR NICHT  
DEN DECKEL ABENHMEN. INTERNE TEILE KONNEN NICHT VOM  
BENUTZER GEWARTET WERDEN. DIE WARTUNG IS QUALIFIZIERTEM  
WARTUNGSPERSONAL ZU UBERLASSEN.  
EXPLANATION OF GRAPHICAL SYMBOLS:  
EXPLICACION DE SIMBOLOS GRAFICOS:  
EXPLICATION DES SYMBÔLES GRAPHIQUES:  
"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"  
"DANGEROUS VOLTAGE"  
“VOLTAJE PELIGROSO”  
"DANGER HAUTE TENSION"  
"GEFAHLICHE SPANNUNG"  
=
=
"UNBEDINGT IN DER BEDIENUNGSANLEITUNG NACHSCHLAGEN"  
The BFX100 is covered with a durable black Tolex material: wipe it clean with a lint-free cloth. Never spray  
cleaning agents onto the cabinet. Avoid abrasive cleansers which would damage the finish.  
©2001 SLM ELECTRONICS, A DIVISION OF ST. LOUIS MUSIC, 1400 FERGUSON, ST. LOUIS, MO. 63133  
P/N 47-354-02 • 05/01  
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