Crate Amplifiers Stereo Amplifier SPA 200 User Manual

User’s Guide  
for the  
CRATE PRO AUDIO  
SPA-200  
Rack Mount  
Power Amplifier  
Congratulations. You have selected one of the finest pieces of sound reinforcement equipment available – the Crate Pro  
Audio SPA-200 Rack Mounted Amplifier. Our many years of experience in high-performance musician’s equipment, com-  
bined with our extensive research and development procedures, have enabled us to produce an amplifier which provides  
the highest quality and reliability possible.  
Like all Crate products, your amplifier was Musician Made in the U.S.A., using only the finest components and materi-  
als. Each amplifier design must satisfy our team of highly-trained technicians and musicians before it is approved, and each  
individual amplifier must pass a barrage of bench tests before it leaves the factory. We insist upon this extreme level of  
quality control to insure that each amplifier produced will provide its owner with years of trouble-free, ear-pleasing perfor-  
mance.  
Your new amplifier is a flexible part of any sound system: simple to connect and easy to operate, if you first know how  
to incorporate it into your application. Several configurations are covered in this manual, along with important information  
regarding impedance ratings and output power. In order to get the best performance and highest level of quality and relia-  
bility from your new amplifier, please read this owner’s manual before operating the unit.  
 
SPA-200 Rack Mount Power Amplifier  
Rear Panel:  
6: FUSE HOLDER: The amplifier is protected from  
damages caused by a faulty AC power source or other  
problems. If the fuse blows, replace it ONLY with the  
same size and type as indicated. If the fuse blows  
repeatedly, check the AC source: if it’s okay, contact  
your Crate dealer for service information.  
7: AC LINE IN: This heavy duty power cord must be  
connected to a properly grounded AC outlet of the  
proper voltage for the amplifier to operate. IN ORDER  
TO AVOID THE POSSIBLIITY OF ELECTRIC  
SHOCK, DO NOT REMOVE OR BYPASS THE  
GROUND PRONG OF THE POWER CORD!  
8: SPEAKER OUTPUT JACKS: Use these jacks to con-  
nect the amplifier to your speakers when using the  
amplifier in the stereo or slave mode. The minimum  
load for these jacks is 4 ohms (total). NOTE: These  
jacks are NOT used in Mono Bridge mode!  
10: MONO BRIDGE/STEREO SWITCH: This switch  
selects the operating mode of the amplifier. In the  
"out" position the amplifier is in the Stereo Mode; with  
the switch in the "in" position the amplifier is in the  
Mono Mode. In the Mono Mode, Channel 1 func-  
tions as the input channel; Channel 2 input and Level  
control will be disconnected.  
11: DAMPING SWITCH: Operational only in the  
Stereo mode, this switch varies the performance of the  
amplifier to best suit its application. In the High  
Damping position (switch IN) the amplifier is best  
suited for PA or music reproduction. In the Low  
Damping position (switch OUT) the amp is best suit-  
ed for use as a guitar or bass power amplifier.  
12,13: INPUT JACKS: These jacks accept unbal-  
anced line level signal sources by means of cables fit-  
ted with standard 1/4" phone plugs.  
9: MONO BRIDGE OUTPUT: Use this jack to con-  
nect the amplifier to your speakers when using the  
amplifier in the Mono Bridge mode. The minimum  
load for this jack is 8 ohms (total). NOTE: This jack is  
NOT used in Stereo or Slave mode!  
14,15: PARALLEL OUTPUT JACKS: These jacks  
allow connection to additional power amplifiers,  
slave operation of both channels, etc., by providing a  
parallel connection to the input jacks. (This applied  
to both modes of operation – Stereo and Mono  
Bridge. In the Mono Bridge mode, only the Channel  
1 Output jack will carry a signal.)  
 
SPA-200 Rack Mount Power Amplifier  
Technical Specifications  
POWER OUTPUT  
70 Watts RMS per channel @ 8 ohms  
100 Watts RMS per channel @ 4 ohms  
200 Watts RMS @ 8 ohms mono bridged  
FREQUENCY RESPONSE  
SLEW RATE  
3dB / 20Hz – 20kHz  
10 volts / microsecond  
0.25 volts RMS @ full power  
10dB boost above 1kHz  
INPUT SENSITIVITY  
PRESENCE CONTROL  
POWER REQUIREMENTS  
DOMESTIC: 120 VAC 60Hz, 260VA  
EXPORT: 100/115 VAC 50/60Hz, 260VA  
220-240 VAC 50/60Hz, 260VA  
DIMENSIONS  
WEIGHT  
19” W x 3.45” H x 7” D  
19 lbs.  
CAUTION  
PRECAUCION  
ATTENTION  
VORSICHT  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
RIESGO DE CORRIENTAZO  
NO ABRA  
RISQUE D'ELECTROCUTION  
NE PAS OUVRIR  
ELEKTRISCHE SCHLAGGEFAHR  
NICHT OFFENEN  
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,  
DO NOT REMOVE COVER.  
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  
ATTENTION: POUR REDUIRE D'ELECTROCUTION NE PAS  
VORSICHT: ZUR MINIMIERUNG ELEKTRISCHER SCHLAGGEFAHR NICHT  
DEN DECKEL ABENHMEN. INTERNE TEILE KONNEN NICHT VOM  
BENUTZER GEWARTET WERDEN. DIE WARTUNG IS QUALIFIZIERTEM  
WARTUNGSPERSONAL ZU UBERLASSEN.  
ENLEVER LE COUVERCLE. AUCUNE PIECE INTERNE N'EST REPRABLE  
NO USER-SERVICEABLE PARTS INSIDE.  
PAR L'UTILISATEUR. POUR TOUTE REPARATION, S'ADRESSER  
TECHNICIEN QUALIFIE.  
A
UN  
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.  
THIS EQUIPMENT HAS BEEN DESIGNED AND  
ENGINEERED TO PROVIDE SAFE AND RELIABLE  
OPERATION. IN ORDER TO PROLONG THE LIFE  
OF THE UNIT AND PREVENT ACCIDENTAL DAM-  
AGES OR INJURY, PLEASE FOLLOW THESE PRE-  
CAUTIONARY GUIDELINES:  
CAUTION: TO REDUCE THE RISK OF ELECTRIC  
SHOCK, DO NOT OPEN CHASSIS; DO NOT  
DEFEAT OR REMOVE THE GROUND PIN OF THE  
POWER CORD; CONNECT ONLY TO A PROPERLY  
GROUNDED AC POWER OUTLET.  
WARNING: TO REDUCE THE RISK OF FIRE OR  
ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIP-  
MENT TO RAIN OR MOISTURE.  
CAUTION: OUR AMPLIFIERS ARE CAPABLE OF  
PRODUCING HIGH SOUND PRESSURE LEVELS.  
CONTINUED EXPOSURE TO HIGH SOUND PRES-  
SURE LEVELS CAN CAUSE PERMANENT HEAR-  
ING IMPAIRMENT OR LOSS. USER CAUTION IS  
ADVISED AND EAR PROTECTION IS RECOM-  
MENDED IF UNIT IS OPERATED AT HIGH VOLUME.  
CAUTION: NO USER-SERVICEABLE PARTS  
INSIDE. REFER SERVICING TO QUALIFIED SER-  
VICE PERSONNEL.  
ESTE APARATO HA SIDO DISENADO  
Y
CON-  
PRECAUCION: PARA DISMINUIR EL RIESGO DE  
DESCARGAS ELÉLECTRICAS: (1) NO ABRA LA  
CUBIERTA, (2) NO ES RECOMENDABLE  
REMOVER O DESACTIVAR LA PATA DEL POLO A  
TIERRA DEL CABLE DE CORRIENTE, CONECTE  
CORRECTAMENTE A UNA TOMA DE CORRIENTE  
A TIERRA.  
ADVERTENCIA: PARA EVITAR DESCARGAS  
PRECAUCION: NUESTROS AMPLIFICADORES  
PUEDEN PRODUCIR NIVELES DE PRESION DE  
SONIDO ALTO. EXPOSICION CONTINUADA A LOS  
NIVELES DE PRESION DE SONIDO ALTO PUEDE  
STRUIDO PARA PROVEER ANOS DE OPERACION  
SEGURA Y CONFIABLE. PARA PROLONGAR LA  
VIDA DE ESTA UNIDAD E IMPEDIR DANOS ACCI-  
DENTALES POR FAVOR SIGA ESTAS INSTRUC-  
CIONES PREVENTIVAS:  
ELECTRICAS O PELIGRO DE INCENDIO, NO DEJE  
ESTE APARATO EXPUESTO  
HUMEDAD.  
A
LA LLUVIA  
O
CAUSA DANO PERMANENTE  
A
SU OIDO. ES  
PRECAUCION: NO HAY PIEZAS ADENTRO QUE  
EL USUARIO PUEDE REPARAR. DEJE TODO MAN-  
TENIMIENTO A LOS TÉCNICOS CALIFICADOS.  
ACONSEJADO QUE USE PRECAUCION AL  
USUARIO  
Y
ES RECOMENDADO PROTECCION  
PARA LOS OIDOS SI LA UNIDAD ES OPERADA A  
VOLUMEN ALTO.  
THE CHART BELOW SHOWS THE U.S. GOVERNMENT’S OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA) REGULATIONS WHICH WERE IN EFFECT AT THE TIME OF THIS PUB-  
LICATION FOR PERMISSIBLE NOISE EXPOSURE, PER 29CFR1910.95, TABLE G-16:  
SOUND LEVEL DBA,  
SLOW RESPONSE  
DURATION PER DAY  
IN HOURS  
SOUND LEVEL DBA,  
SLOW RESPONSE  
DURATION PER DAY  
IN HOURS  
SOUND LEVEL DBA,  
SLOW RESPONSE  
DURATION PER DAY  
IN HOURS  
90  
92  
95  
8
6
4
97  
100  
102  
3
2
105  
110  
115  
1
1/2  
1 - 1 1/2  
1/4 or less  
ACCORDING TO OSHA, ANY EXPOSURE IN EXCESS TO THESE AMOUNTS LISTED ABOVE COULD RESULT IN SOME HEARING LOSS.  
"DANGEROUS VOLTAGE"  
“VOLTAJE PELIGROSO”  
"DANGER HAUTE TENSION"  
"GEFAHLICHE SPANNUNG"  
"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:  
=
=
"UNBEDINGT IN DER BEDIENUNGSANLEITUNG NACHSCHLAGEN"  
Due to ongoing product development and improvement, the specifications  
contained herein are subject to change without notice.  
©1999 SLM Electronics, Inc. • A Division of St. Louis Music, Inc.  
1400 Ferguson Avenue • St. Louis, MO 63133  
47-548-53 • 02/99  
 

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