Guitar Amplifier with
Digital Effects
User’s Guide
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Guitar Amplifier
TABLE OF CONTENTS:
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
The Top Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4,5
The Bottom Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
The DSP Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . .7
Technical Specifications . . . . . . . . . . . . . . . .back cover
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant
to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses and can radiate radio frequen-
cy energy and, if not installed and used in accordance with the instructions, may cause harmful interfer-
ence to radio communications. However, there is no guarantee that interference will not occur in a par-
ticular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications to this device not expressly approved by SLM Electronics could void the user’s
authority to operate the equipment under FCC rules.
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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Guitar Amplifier
Congratulations and thank you for choosing the Crate RFX30 RetroFex Guitar
Amplifier. This rugged amplifier features a Clean channel with a three-band EQ and
level control, and a Solo channel with our patented FlexWave technology, Gain,
Level and Shape control. An easy to operate DSP section lets you dial in a variety of
digital effects including reverbs, delays, octave and wah-wahs. RCA input jacks allow
connection of a CD or tape player for practicing with your favorite music, while the
Headphones jack allows you to practice in private. The top-mounted electronic tuner
allows you to get tuned and stay in tune any time the amplifier is on.
In order to get the most out of your new amplifier, we strongly urge you to read this
guide before you begin playing.
CRATE
And thank you for choosing
.
CAUTION
PRECAUCION
ATTENTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RIESGO DE CORRIENTAZO
NO ABRA
RISQUE D'ELECTROCUTION
NE PAS OUVRIR
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.
PRECAUCION: PARA REDUCIR EL RIESGO DE INCENDIOS
O
DESCARGAS
LA
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.
ELECTRICAS, NO PERMITA QUE ESTE APARATO QUEDE EXPUESTO
A
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.
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 OPERA-
TION 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.
•
WARNING: THIS UNIT REQUIRES A SAFETY GROUNDED OUTLET WIRED TO CURRENT ELECTRIC CODES HAVING THE LINE SUPPLY VOLTAGE,
POWER, AND FREQUENCY IDENTIFIED ON THE REAR OF THE UNIT. THE OUTLET MUST REMAIN ACCESSIBLE TO DISCONNECT THE UNIT IF A
FAULT SHOULD ARISE WHILE IN USE. THIS UNIT SHOULD BE UNPLUGGED WHEN NOT IN USE.
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"
=
=
3
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Guitar Amplifier
The Top Panel:
6
7
1
2
3
4
5
8
9
10
11
12
13
14
1: INPUT: Use this 1/4” jack to connect your guitar to the amplifier by means of a shield-
ed instrument cable.
SOLO CHANNEL: A high gain channel giving you sounds from a slight edge to serious
overdrive.
2: GAIN: Use this control to adjust the amount of distortion for the Solo channel.
3: SHAPE: Use this control to adjust the tone of the Solo channel.
4: LEVEL: Use this control to adjust the output level of the Solo channel.
5: SOLO/CLEAN: Use this switch to select the Solo or Clean channel. With the switch in
the out position, the Clean channel is selected. When this switch is depressed, the Solo
channel is selected.
CLEAN CHANNEL: A normal gain channel designed to give you crystal clean sounds to
medium distortion.
6: LEVEL: Use this control to adjust the output level of the Clean channel.
7: LOW: Use this control to adjust the low frequency level of the Clean channel.
8: MID: Use this control to adjust the midrange frequency level of the Clean channel.
9: HIGH: Use this control to adjust the high frequency level of the Clean channel.
10: DSP LEVEL: Use this control to adjust the level of the selected digital effect. The DSP
effects can be turned on and off by using a footswitch (#17, rear panel).
11: (DSP MODE): Use this control to select one of the 16 built-in digital effects. The
nomenclature around the control is further explained in the chart on page 6.
12: 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 summed 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 guitar.
13: HEADPHONES: Use this jack to connect headphones to the amplifier. The internal
speaker is disconnected when headphones are used.
CAUTION: To avoid possible damage to your hearing, do not use headphones
for extended periods of time at extremely loud levels.
4
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Guitar Amplifier
14: POWER: Use this switch to turn the amplifier on (top of the switch depressed) and off
(bottom of the switch depressed). The switch illuminates when the amplifier is turned on.
15: TUNER: The electronic tuner is active
whenever the amplifier is turned on, providing
constant, “real-time” tuning. The bottom row
of LEDs indicate which note (string) is being
tuned. The top row of LEDs provides direc-
tional queues to facilitate quick and precise
tuning of your instrument. The indicated note
(string) is properly tuned when only the center
LED is illuminated.
The Bottom Panel (not shown):
16: EXTENSION SPEAKER: Use this jack to connect the amplifier to an external speak-
er. 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!
17: FOOTSWITCH: Use this jack to connect the 1/4” stereo plug on the cable of a two-but-
ton footswitch (such as the Crate CFP2). This allows you to remotely switch between the
Clean and Solo channels and turn the DSP function on and off.
18: POWER CORD: 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 requirements stated on the bottom panel. Do not attempt to defeat
the safety ground connection.
5
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