Crate Amplifiers manual CA120D Acoustic Amplifier, Table of Contents

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CA120D Acoustic Amplifier

Table of Contents:

About the Crate Acoustic CA120D . . . . . . . . . . . . . . . . . 3

The Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

The Rear Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

To Eliminate Instrument Feedback . . . . . . . . . . . . . . . . . 6

The DSP Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Technical Specifications. . . . . . . . . . . . . . . . . . back cover

Declaration Of Conformity

#33, Effective 01-01-2001

Manufacturer’s Name:

SLM Electronics

Production Facility:

1901

Congressional Drive, St. Louis, MO 63146, USA

Production Facility:

700 Hwy 202 W, Yellville, AR 72687, USA

Shipping Facility:

1400

Ferguson Ave., St. Louis, MO 63133, USA

Office Facility:

1400

Ferguson Ave., St. Louis, MO 63133, USA

Product Type:

Audio Amplifier

Complies with the following Standards:

 

Safety:

EN60065, E60065, C22.2, UL6500 and/or UL813

EMC:

Directive 89/336/EEC, EN55103, EN55013, EN61000,

 

and/or FCC 47CFR 15B clA

Supplementary information provided by: SLM Electronics - R & D Engineering

1901 Congressional Drive, St Louis, MO 63146, USA

Tel.: 314-569-0141, Fax: 314-569-0175

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.

PRECAUCION

RIESGO DE CORRIENTAZO

NO ABRA

PRECAUCION: PARA REDUCIR EL RIESGO DE INCENDIOS O DESCARGAS ELECTRICAS, NO PER- MITA 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.

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” (75CM) 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 PERMA- NENT HEARING IMPAIRMENT OR LOSS. USER CAUTION IS ADVISED AND EAR PROTECTION IS RECOMMENDED IF UNIT IS OPERATED AT HIGH VOLUME.

EXPLANATION OF GRAPHICAL SYMBOLS:

"DANGEROUS VOLTAGE"

EXPLICACION DE SIMBOLOS GRAFICOS:

= “VOLTAJE PELIGROSO”

EXPLICATION DES SYMBÔLES GRAPHIQUES:

"DANGER HAUTE TENSION"

"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"

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Contents CA120D Table of Contents CA120D Acoustic AmplifierAbout the Crate Acoustic CA120D Effects Section Front PanelMaster Section part one Master Section part twoRear Panel CA120D Rear PanelDSP Section Milisecond delayTo Eliminate Instrument Feedback System Block Diagram Channels 1Technical Specifications

CA120D specifications

Crate Amplifiers has carved a niche for itself in the world of guitar amplification, and the CA120D is a testament to the brand's commitment to quality and innovation. Designed with versatility in mind, the CA120D stands out as a powerful combo amplifier, making it an ideal choice for both practice and live performances.

One of the defining features of the CA120D is its robust 120-watt output, allowing it to deliver a rich and full-bodied sound, regardless of the environment. This amplifier is equipped with a pair of 12-inch speakers that provide excellent projection and clarity. The dual speakers contribute to a wide tonal range, proving effective for various music styles, from blues and rock to jazz and country.

The CA120D incorporates a range of advanced technologies that enhance its functionality. One notable feature is the built-in digital chorus and reverb effects, which add depth and dimension to the sound, enriching the listening experience. Musicians can easily adjust these effects via intuitive knobs, ensuring quick modifications during performances or practice sessions.

Additionally, the amp features a three-channel design, consisting of clean, overdrive, and contour channels. Each channel presents its unique tonal characteristics, allowing players to seamlessly transition between clean tones and gritty distortion. The clean channel offers pristine clarity ideal for chord strumming or note articulation, while the overdrive channel delivers that satisfying crunch essential for rock solos.

Another remarkable characteristic of the CA120D is its comprehensive connectivity options. Musicians can plug in various devices through the auxiliary input or utilize the headphone output for silent practice. The amplifier also features an effects loop, making it easy to integrate additional pedals and devices into the signal chain.

Durability is central to the CA120D's design; it's constructed with a rugged cabinet that withstands the rigors of touring and frequent use. The amp’s classic tolex finish not only adds an aesthetic appeal but also provides necessary protection.

Overall, the Crate Amplifiers CA120D is a versatile powerhouse that caters to guitarists seeking a reliable, high-performing combo amplifier. Its unique combination of power, connectivity, and effects make it a valuable addition to any musician's setup, ensuring that it can meet a variety of playing needs with ease. Whether you're in the studio or on stage, the CA120D promises a stunning audio experience and solid performance.