GXT Series

Owner’s Manualfor your new Guitar Amplifier by . . . . . . . . . S'ADRESSER A UN TECHNICIEN QUALIFIE. . . .95. . . . . . CAUTION: THIS UNIT IS CAPABLE OF PRODUCING HIGH SOUND PRESSURE LEVELS. . . . . DO NOT DEFEAT OR REMOVE THE GROUND PIN OF THE POWER CORD. . . ANY EXPOSURE IN EXCESS TO THESE AMOUNTS LISTED ABOVE COULD RESULT IN SOME HEARING LOSS. . the GXT Series Guitar Amplifier. .GXT-Series Guitar Amplifier Congratulations! You are now the proud owner of one of Crate’s newest and hottest additions to Music. DURATION PER DAY SLOW RESPONSE IN HOURS 90 8 92 6 95 4 97 3 100 2 SOUND LEVEL DBA. INTERNE TEILE KONNEN NICHT VOM BENUTZER GEWARTET WERDEN. . POUR TOUTE REPARATION. . . . . In order to get the most out of your new amp. . .S. Like all Crate products. . . USER CAUTION IS ADVISED. . . .3 The Front Panel .7 Technical Specifications . . . . . . . . . . . . . . . . . . SLOW RESPONSE 102 105 110 115 DURATION PER DAY IN HOURS 1 . . . . . . . . . . Designed by one of the leading experts in tube technology. . . . . . AUCUNE PIECE INTERNE N'EST REPRABLE PAR L'UTILISATEUR.5 Some Suggested Settings . DO NOT REMOVE COVER. . ATTENTION: POUR REDUIRE D'ELECTROCUTION NE PAS ENLEVER LE COUVERCLE. . VORSICHT: ZUR MINIMIERUNG ELEKTRISCHER SCHLAGGEFAHR NICHT DEN DECKEL ABENHMEN. Extensive testing at the hands and ears of skilled technicians and musicians insures you that this amplifier is the absolute best it can be. . . . . . PLEASE FOLLOW THESE PRECAUTIONARY GUIDELINES: CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK. the GXT Series captures the very heart and soul of music and puts the World of Tone at your fingertips.6 About the Preamp Tubes . AND EAR PROTECTION RECOMMENDED IF UNIT IS OPERATED AT HIGH VOLUME. . . . . . . . . . . . . . . GOVERNMENT’S OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA) REGULATIONS WHICH WERE IN EFFECT AT THE TIME OF THIS PUBLICATION FOR PERMISSIBLE NOISE EXPOSURE. . . . . . . . . .1 1/2 1 1/2 1/4 or less ACCORDING TO OSHA. . . . . CAUTION: NO USER-SERVICEABLE PARTS INSIDE. . . . . REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. . . . . .7 System Block Diagram . . . REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. . WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK. . . . your GXT Series amplifier is made with pride in America. . . . . . . . . . . . . . . THE CHART BELOW SHOWS THE U. . . . ® And thank you for choosing Contents Introduction . DIE WARTUNG IS QUALIFIZIERTEM WARTUNGSPERSONAL ZU UBERLASSEN. . . . CONNECT ONLY TO A PROPERLY GROUNDED AC POWER OUTLET. using only the best components. . EXPLANATION OF GRAPHICAL SYMBOLS: 2 "DANGEROUS VOLTAGE" = "DANGER HAUTE TENSION" "GEFAHLICHE SPANNUNG" "IT IS NECESSARY FOR THE USER TO REFER TO THE INSTRUCTION MANUAL" = "REFERREZ-VOUS AU MANUAL D'UTILISATION" "UNBEDINGT IN DER BEDIENUNGSANLEITUNG NACHSCHLAGEN" . . IN ORDER TO PROLONG THE LIFE OF THE UNIT AND PREVENT ACCIDENTAL DAMAGES OR INJURY. . . . . . . . . . . CONTINUED EXPOSURE TO HIGH SOUND PRESSURE LEVELS CAN CAUSE PERMANENT HEARING IMPAIRMENT OR LOSS. . THIS EQUIPMENT HAS BEEN DESIGNED AND ENGINEERED TO PROVIDE SAFE AND RELIABLE OPERATION.3 Features . . . . . . DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. . .back cover CAUTION ATTENTION VORSICHT RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE D'ELECTROCUTION NE PAS OUVRIR ELEKTRISCHE SCHLAGGEFAHR NICHT OFFENEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK. . . . . . . . . . . . . . . . . . . . . . . . . . . .4 The Rear Panel . NO USER-SERVICEABLE PARTS INSIDE. we strongly urge you to go over the information contained in this manual before you begin playing. . . . . . DO NOT OPEN CHASSIS. . . . . . . . . . . . . . . . . . . TABLE G-16: SOUND LEVEL DBA. PER 29CFR1910. •Effects Mix: Allows you to adjust the level of your external effects to achieve just the right sound (page 4). to accommodate today’s wide variety of guitar pickups (page 4). Each of the GXT Series amplifiers delivers 100 watts of musical output power. Each channel’s preamp section is tube-driven and has a three band rotary EQ for total tone control. one padded. Additional information can be found on the pages indicated. Features: Here's a quick overview of the GXT Series’ features and controls. A parallel effects loop with mix control allows for noise free blending of your favorite external effects.A. •2 Inputs: One “straight”. boost: The clean channel features a Bright switch and a Low/High Gain Boost switch. channel select and selection between the two gain controls of the distortion channel (page 5).5). with its two separate gain controls. Governed by the Effects Mix control (page 4. A solid state power amp section delivers the full intensity of tone. • Musician Made in the U. regardless of volume level. •Parallel Effects Loop: For noise free connecting of external effects. The distortion channel. •CFP-3 Footswitch: Allows remote control of reverb. more tone control and more satisfaction. GXT Series combos use Crate Custom speakers for outstanding tone. boost. •Boost. with everything in between. offers sounds that range from crunchy to completely devastating. •2 Gain Controls: The distortion channel’s two gain controls can be set at different levels. The clean channel offers sounds that range from warm and clean to cool and crunchy. into loads as low as 4 ohms. The distortion channel’s Gain 2 has a switchable Mid Boost for added punch and even greater flexibility (page 4).S.GXT-Series Guitar Amplifier Introduction: The GXT Series guitar amplifier represents Crate’s never-ending quest to offer musicians more of what they want: more flexibility. 3 . creating a “third channel” (page 4). As you turn the control up 6. BASS: Adjust the bottom end response with this control. 2. A footswitch allows freedom of control (see #24). 14. As the gain increases so will the output level and the amount of preamp distortion. With the control towards “0” (to the left) the signal is relatively clean. as you turn the control up the level of external effects increases. With a lower gain setting and a higher Master (#8) setting. rear panel. This control covers a range of 30dB at 40Hz.5kHz. rear panel. switch #10 out) it selects between Low Gain (switch out) and High gain (switch in). 20. 18. 12. 4. GAIN 1: Adjust the amount of preamp distortion with this control. The mid control covers a range of 6dB at 1kHz. The boost is active when the switch is pressed in and Gain 2 is selected. resulting in a bluesy crunch rhythm sound. 10. With the control towards “0” (to the left) the signal is relatively clean. 0dB INPUT: Connect your guitar or wireless receiver into this standard 1/4" jack using a shielded instrument cable. . When the footswitch is connected. Reverb on/off can be controlled with the supplied footswitch. The high control covers a range of 30dB at 4kHz. 16. FX MIX: Adjust the level of external effects connected to the effects loop (see #23) with this control. along with the overall output level. control #13 is active). GAIN: Set the input signal level with this control. This jack is “straight” (no pad). MID: Adjust the midrange response with this control. turning it ON in the “up” position. TREBLE: Adjust the high end response with this control. 17. BASS: Adjust the bottom end response with this control. A. See #24. Channel A (Clean): 3. 9. MID: Adjust the midrange response with this control. Use this control along with the Gain (#3) to create a wide variety of sounds and volumes. The adjacent green LED glows when channel A is selected (switch out). 19. control #11 is active) and Gain 2 (switch in. BRIGHT: Add a biting edge to your sound by pressing this push-button switch in. BOOST/GAIN SELECT: This is a dual function switch. As you turn the control up. The high control covers a range of 16dB at 2. POWER: This switch applies AC voltage to the amplifier. This jack is padded 6dB to compensate for high output signals. along with the overall output level. 7. the front panel switch is disabled. REVERB: Adjust the amount of reverberation with this control: at the "0" position the signal is "dry" (no reverb). B. the output will be crystal clear. 5. 11. For the dirty 13. See #24. The “0” position is “dry” (no external effects). This can also be performed with the supplied footswitch. For the clean channel (Ch. the red LED glows when channel B is selected (switch in). 8. the distortion increases. This control is only active when the Gain Select switch (#9) is set to Gain 1 (switch out) or when it is selected by the supplied footswitch. This control is only active when the Gain Select switch (#9) is set to Gain 2 (switch in) or when it is selected by a footswitch. CHANNEL SELECT: Select the active channel with this switch. Use this control along with the Gains (#11 & 13) to create a wide variety of sounds and volumes. TREBLE: Adjust the high end response with this control. even without the Mid Boost engaged. When the footswitch is connected. 15. the amount of reverb increases. the front panel switch is disabled. MASTER: Set the output level of channel A with this control. Channel B (Distortion): Use the two gain controls to their fullest potential: set one for a mellow lead or a rough rhythm tone and the other for a screaming lead sound. Effects can be blended in at the desired level and do not disengage the onboard reverb. The bright switch adds 6dB at 5kHz. switch #10 in) it selects between Gain 1 (switch out. If your guitar has a very “hot” output use the -6dB jack (#2). See #24.GXT-Series Guitar Amplifier 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 The Front Panel: 1. This control covers a range of 12dB at 500Hz. As you turn the control up the distortion increases. -6dB INPUT: Connect your guitar here if it has a “hot” output. This can also be performed with the supplied footswitch. GAIN 2: Similar to Gain 1: adjust the amount of preamp distortion with this control. MID BOOST: Increase the “punch” of the Gain 2 control (#13) with this switch. Gain 2 has a bit more of a midrange punch than gain 1. The low control covers a range of 20dB at 100Hz. 4 channel (Ch. MASTER: Set the output level of channel B with this control. rear panel. DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. I M P O R TA N T N O T E A B O U T C E R TA I N EXPORT UNITS: In some areas 1/4” speaker jacks are not acceptable for use on amplifiers capable of high output power levels./GAIN SELECT REVERB RISK OF ELECTRIC SHOCK. If the amplifier is to be used outside of the United States. the Mix on your effects device(s) should be set to 100%. The chart which follows and the illustration below show the footswitch configuration. NE PAS OUVRIR./GAIN SELECT MONO CABLE SPEAKERS 140VA 120VAC/60Hz 80 WATTS RMS @ 8 OHMS 4 OHM MINIMUM LOAD CAUTION HOT! RISK OF ELECTRIC SHOCK. 47-450-01 1 2 3 CHANNEL GAIN SELECT REVERB 5 .GXT-Series V~ MAX Hz Guitar Amplifier 47-450-02 SPEAKERS 140VA 120VAC/60Hz EFFECTS LOOP 80 WATTS RMS @ 8 OHMS 4 OHM MINIMUM LOAD RETURN CAUTION HOT! FOOTSWITCH SEND CH. CABINET IMPEDANCE 8 ohms 16 ohms 16 ohms NUMBER OF CABS 2 2 4 TOTAL IMPEDANCE 4 ohms 8 ohms 4 ohms Never connect the amp to a load of less than 4 ohms! 23. the output jack of the effect to the EFFECTS LOOP RETURN jack. DO NOT OPEN AVIS: MODEL: SERIAL: LINE: WATTS: RISQUE DE CHOC ELECTRIQUE. see your authorized Crate dealer for information about alternate line cords and power converters if needed. connect the EFFECTS LOOP SEND jack to the input jack of the effect. WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK. 47-450-02 Because of parallel loop operation. SPEAKER JACK: Use this jack to connect the amplifier to external speaker cabinet(s) if desired. 24. PARALLEL EFFECTS LOOP: Connection to an external effects device is made with these jacks. AC LINE IN: Plug the male end of this cord into a properly grounded AC outlet of the correct voltage. terminated with the appropriate connectors. Connect the amplifier to your speaker(s) using cables rated for very high output power. WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK. Plug Style: Mono (T/S) To Amp Jack: Reverb Control Function: Tip = reverb on/off Stereo (R/T/S) Ch. allowing the reverb to “fade out” rather than be cut off abruptly. Use the chart which follows to determine the total impedance of multiple cabinets. The amount of external effect in the mix is determined by the setting of the FX MIX control (#19). DO NOT OPEN AVIS: RISQUE DE CHOC ELECTRIQUE. FOOTSWITCH JACKS: Connect the supplied three button footswitch (the Crate CFP-3) to these jacks as follows for remote control of reverb. DO NOT DEFEAT THE GROUND PIN OF THE AC PLUG! Use only the supplied power cord. The amplifier can power speaker loads as low as 4 ohms. EFFECTS LOOP RETURN SEND FOOTSWITCH REVERB STEREO CABLE CH. For this reason the Speaker jack on your amplifier may resemble the illustration below. 22. DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. Using shielded signal cables. NE PAS OUVRIR./Gain Select Ring = channel Tip = gain 1 or 2 Note: The Reverb on/off shuts off the signal to the reverb tank’s input. channel switching and gain select. 47-450-01 21 22 23 24 The Rear Panel: 21. GXT-Series Guitar Amplifier Some Suggested Settings: SPARKLING CLEAN: OUT IN OUT BLUESY: IN IN OUT METAL: OUT IN OUT SINGING: IN IN 6 IN . always refer replacement of the preamp tubes to a qualified service center. gets noisy. Since removal of the tubes may expose extremely hazardous voltage levels. lowmicrophonic tubes! System Block Diagram: GAIN SELECT GAIN1 0dB TUBE STAGE CHANNEL B -6dB GAIN2 EFFECTS LOOP SEND RETURN CHANNEL SELECT MID BOOST FX MIX CHANNEL B MID BOOST BRIGHT POWER AMP SPEAKER OUTS TUBE TUBE TUBE STAGE STAGE STAGE TREB MID BASS MSTR REVERB REVERB LEVEL CHANNEL A CH. loses gain or starts to hum. the preamp tubes may be bad.A MSTR TREB MID BASS GAIN 7 .GXT-Series Guitar Amplifier About the Preamp Tubes: If the amp starts to squeal. Insist upon using only the highest quality. 110VA. gain 2: 98db 16dB range @ 2.75” 8 ohm Power Requirements Domestic: 115VAC. Mo 63133 P/N 47-450-61 • 09/97 . Crate continually develops new products. Wipe the cabinets clean using a slightly dampened soft cloth.5” 16 ohm GXT-212 20”H x 26”W x 11”D 55 lbs. The GXT Series amplifiers are covered with high-quality. 1. 50/60Hz. durable Tolex®. avoid abrasive cleansers.5” 8 ohm GXT-100H 10”H x 24”W x 10”D 31 lbs. Louis. To keep them looking their best. 230VAC 50/60Hz. ® ©1997 SLM ELECTRONICS • A division of St. B Gain 1: 93dB.GXT-Series Guitar Amplifier Technical Specifications: Output Power Rating 80 watts RMS nominal @ 5% THD @8 ohms 120 watts RMS nominal @ 5% THD @ 4 ohms Input Impedance 1M ohm System Gain Tone Controls Treble Mid Bass Bright Boost Ch. 1. For this reason. Do not spray cleaners directly into the amplifier. 110VA Size and Weight GXT-100/210 18”H x 24”W x 11”D 48 lbs.7V RMS nominal Tube Complement 12AX7 (2) Internal Speaker(s) Size and Type Magnet Voice Coil Impedance GXT-100 12” Crate Custom 80W (1) 38 oz. Louis Music • 1400 Ferguson Avenue • St. Never use brass cleaners on the hardware since they could damage their protective coatings. the specifications and information in this manual are subject to change without notice. GXT-410 10” Crate Custom 50W (4) 30 oz. 60Hz.5kHz 6dB range @ 1kHz 20dB range @ 100Hz 8dB boost @ 700Hz Effects Send/Return Level 0. as well as improves existing ones. GXT-210 10” Crate Custom 50W (2) 30 oz.110VA Export: 100/115VAC. 1.75” 16 ohm GXT-410 26”H x 26”W x 12”D 70 lbs. 1. GXT-212 12” Crate Custom 80W (2) 38 oz. A 71dB 30dB range @ 4kHz 12dB range @ 500Hz 30dB range @ 40Hz 6dB boost @ 5kHz 16dB boost @ 400Hz Treble Mid Bass Mid Boost Ch.