Crate Amplifiers BXH-220 Musical Instrument Amplifier User Manual
Contents
1. The Rear Panel 16 MADE IN THE U S A BY SLM ELECTRONICS 1400 FERGUSON AVE ST LOUIS MO 63133 16 POWER CORD Connect the male end of this cord to a properly grounded AC power outlet Use only a grounded outlet DO NOT defeat the ground pin of the cord If the amplifier is used out side of the United States see the area s Crate dealer for the proper power cord or consult a local professional electrician 17 PREAMP OUT pre amplified line level signal may be tapped from this jack for sending to an external amplifier powered monitor recording console mixing board or effects processor This is an unbalanced mono 1 4 jack 18 POWER IN A pre amplified line level signal may be sent directly into the bass amp s power amp as when slaving two amplifiers together for exam ple Connection to this jack interrupts the signal from the internal preamp to the power amp The Preamp Out 17 signal is not interrupted 19 SPEAKERS Use these jacks to con nect the amp to your speaker cabinet s Use heavy duty speaker cables with mono 1 4 plugs These jacks are wired in parallel Don t use cabinet combina tions resulting in impedance loads below 4 ohms Use the chart below to help determine parallel loads If in doubt ask your dealer Cab Imp Cabs Total Imp 8 ohms 2 4 ohms 16 ohms 2 8 ohms 16 ohms 4 4 ohms PREAMP OUT EFFECTS LOOP PWR AMP N Qo mma m uo BA2. CRATE BXH 22 amp 0 BASS AMPLIFIER Introduction Crate s new BXH 220 Bass amplifier is a feature packed professional strength powerhouse which can deliver incredible bass sounds Rugged construction reliable American craftsmanship and solid state elec tronics add up to create one very roadworthy stage ready piece of gear The BXH 220 packs solid performance into a compact head unit contained in a rugged Tolex covered cabinet Its side mounted handle and heavy duty rubber feet on two sides not just the bottom but also on the end you set it down on in real life increase its value to those musicians who are always on the go The amplifier will deliver 220 watts into 4 ohms or 150 watts into 8 ohms A listing of the features of the amp is given below Features Additional information can be found on the pages indicated e Solid state circuitry for reliable service and incredible tones Crate s APM Automatic Power Maximizer limiter circuit for the most output without distortion e Variable input gain control with 15dB pad switch and 3 input icon LEDs for the best match between your bass and the amplifier page 4 e Switchable contour control page 4 e 8 band graphic equalizer for optimum tone control page 4 e Balanced line out with adjustable level control and pre post switch pages 4 and 5 e Headphone jack with adjustable level control for private practice sessions page 4 e Effects loop for noiseless use of yo
3. level of the signal at the Balanced Line Out jack 20 You may also use this output or the headphone jack 14 to run a signal to a tuner EFFECTS HEADPHONES BLENO LEVEL CRATE m BXH cecU 11 POST PRE This switch selects the tap point for the signal at the Balanced Line Out jack With the switch out the signal is tapped before the eq contour and effects loop With the switch pressed in the signal is tapped after the eq contour and effects loop post 12 EFFECTS BLEND This control proportions the amount of effect added to the signal going to the power amp stage At the 0 position the signal is dry no effect added as you bring the control towards 10 the amount of effect applied increases 5 is a 50 50 blend of dry signal and effects 13 HEADPHONES LEVEL This con trol adjusts the signal level at the Headphones jack 14 14 HEADPHONES Plug a pair of stereo headphones in here for private lis tening The signal at this jack is post Gain and post EQ The level of the signal here is determined by the setting of the Headphones Level control 13 Using headphones does not disable the speaker outputs You may also use this output or the line out jack 20 to run a signal to a tuner 15 POWER This two position switch turns the amp on and off being the UP position The switch lights up when the amp is turned on CRATE BASS AMPLIFIER
4. ERNE TEILE KONNEN NICHT VOM NO USER SERVICEABLE PARTS INSIDE PAR L UTILISATEUR POUR TOUTE REPARATION S ADRESSER A UN BENUTZER GEWARTET WERDEN DIE WARTUNG IS QUALIFIZIERTEM REFER SERVICING TO QUALIFIED SERVICE PERSONNEL TECHNICIEN QUALIFIE WARTUNGSPERSONAL ZU UBERLASSEN THIS EQUIPMENT HAS BEEN DESIGNED AND ENGINEERED TO PROVIDE SAFE AND RELIABLE OPERATION INORDER TO PROLONG THE LIFE OF THE UNIT AND PREVENT ACCIDENTAL DAMAGES OR INJURY PLEASE FOLLOW THESE PRECAUTIONARY 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 EQUIPMENT TO RAIN OR MOISTURE CAUTION NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL CAUTION IF YOU USE AUDIO AMPLIFIERS PROFESSIONALLY OR IN WORK RELATED SITUATIONS AS AN EMPLOYEE THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION OSHA HAS SPECIFIED REGULATIONS CONCERNING PROLONGED EXPOSURE TO HIGH SOUND PRESSURE LEV ELS PLEASE REFER TO THE CODE OF FEDERAL REGULATIONS DOCUMENT 29CFR1910 FOR ADDITIONAL INFORMATION DANGER HAUTE TENSION REFERREZ VOUS AU MANUAL D UTILISATION GRAPHICAL SYMBOLS GEFAHLICHE SPANNUNG UNBEDINGT IN DER BEDIENUNGSANLEITUNG NACHSCHLAGEN EXPLANATION OF 0 DANGEROUS VOLTAGE IT IS NECESSARY FOR THE USER TO REFER TO THE INSTRUCTION MANUAL
5. LANCED LINE OUT 19 20 20 BALANCED LINE OUT Use this 3 pin XLR jack to send a line level signal to the house sound board or mixing con sole The level of the signal at this jack is determined by the setting of the Line Out Level control on the front panel 10 This signal is switchable to be either pre or post EQ through the front panel Pre Post switch 11 21 EFFECTS LOOP SEND This unbalanced jack lets you send a signal out to an external effects processor or tuner The signal at this jack is post EQ pre Master Connect this to the input jack of the processor or tuner 22 EFFECTS LOOP RETURN This jack receives the signal from the output jack of an external effects processor Use shielded cables with mono 1 4 plugs for connecting the Effects Loop CRATE BXH 22 amp 0 BASS AMPLIFIER Some Suggested Settings Rock lt INPUT EQUALIZATION eee CONTOUR 4 be GAIN E a AS NEEDED OUT Jazz INPUT EQUALIZATION ce CONTOUR ja 3 GAIN ee a ren me gt AS NEEDED IN Country INPUT EQUALIZATION BAIN CONTOUR 4 pe GAIN me 2 n aaa AS NEEDED IN Funk ELL ALIZA GAIN CONTOUR INCREASE DECREASE AE 4 6 inrer a GAIN AS NEEDED IN CRATE BASS AMPLIFIER Sustem Block Diagram INPUT EFFECTS i SEND m GAIN 2 O 15dB PAD PENN ON OFF LED EFFECTS BLEND EFFECTS RETURN
6. MASTER POST O BALANCED 5 LINE OUT pc LINE OUT LEVEL PREAMP OUT POWER AMP IN POWER i v SPEAKER OUT LIMIT LED SPEAKER OUT V HEAD PHONES HEADPHONE LEVEL CRATE BASS AMPLIFIER Technical Specifications Maximum Input Signal Level Accepted 17 volts peak to peak 15dB switch pressed in Input Impedance 500k ohms 15dB switch out 75k ohms 15dB switch in Signal to Noise Ratio 75dB typical Output Power Rating 160 watts RMS lt 5 THD w 8 ohm load 120VAC line 220 watts RMS lt 5 THD w 4 ohm load 120VAC line Gain 1kHz 67dB with EQ flat Contour off EQ Section 20dB range 10dB 40Hz 100Hz 225Hz 625Hz 1 6kHz 4kHz 8kHz and 16kHz Input Power Requirements 120VAC 60Hz 250VA 100 120VAC 50 60Hz 250VA 230VAC 50 60Hz 250VA Size and Weight 7 1 4 H x 21 W x 12 1 27D 35 lbs CRATE continually develops new products as well as improves existing ones For this reason specifications and information in this manual are subject to change without notice musician made in the U S A 1997 SLM ELECTRONICS A DIVISION OF ST LOUIS MUSIC 1400 FERGUSON AVENUE ST LOUIS MO 63133 47 589 51 07 97
7. rol allows you to make additional changes to your tone and is active only when the Contour On Off switch 6 is pressed in As the wave icons indicate you can enhance both the lows and highs at the same time or add mid punch 0 1 4k MASTER gt 5 LINE OUT LEVEL 6 CONTOUR ON OFF Use this switch to engage the contour circuitry With the switch pressed in the Contour control 5 is active 7 EQUALIZATION This eight band graphic equalizer allows you to custom tailor your tone Each slider controls the frequency indicated directly below it and offers a cut or boost of 10dB at various frequencies from 40Hz to 16kHz 8 MASTER LEVEL Use this control to set the output level of the amplifier This controls the signal level at the Speaker Output jacks 19 as well as the Preamp Out jack 17 9 LIMIT The amplifier employs Crates Automatic Power Maximizer protection circuitry to keep the output distortion free even at high volume levels Whenever the output nears its clipping point the limit circuit kicks in to keep the output clean The Limit LED lights up when the APM lim iter circuit is activated Occasional flash ing of the LED is normal Very frequent flashing or constant illumination indicates the output level is too high reduce the Master level control and or your instru ment s output until the LED flashes less 10 LINE OUT LEVEL This controls the
8. ur favorite processors and effects page 5 e Musician made in the U S A Crate s exclusive 5 year warranty U S only see your dealer in other areas for warranty information CRATE BXH 220 BASS AMPLIFIER The Front Panel 1 2 4 5 GAIN AN GAII 2 EM ZEE Nr ES CONTOUR se INCREASE IN DECREASE GAIN 1 INPUT Connect your bass to the amplifier here 2 GAIN Use this control to properly match the output of your bass to the amplifier With the amp s Master level control at 0 begin playing your bass as you normally would Watch the adjacent LEDs 4 as you turn up the Gain con trol the proper setting for the Gain con trol 15 the one where the LED lights most often while playing If the Decrease Gain LED stays lit even with the Gain control turned down low press in the 15dB button 3 and continue adjusting the Gain control until the prop er setting is obtained 3 15dB If your bass has active elec tronics or hot pickups its output signal may need to be padded to get the best signal to noise setting from the Gain con trol If the Decrease Gain LED stays lit with the Gain control turned down low press in the 15dB button 4 LEDs These three LEDs are your guide to properly setting the Gain con trol Follow the steps given for the Gain control 2 until the OK LED lights most often while you play 5 CONTOUR This cont
9. wners Manual for the BXH 2eU BASS AMPLIFIER EQUALIZATION MASTER LINE OUT EFFELTS HEADPHONES pre MEE X 3 ame 37 CRATE EXH cct INPUT GAIN CONTOUR INCREASE y m 5 POST EQ PRE WM musician made in the U S A CRATE BXH 22 amp 0 BASS AMPLIFIER Congratulations You are now the proud owner of the innovative Crate 220 Bass amplifier This feature packed pow erhouse offers you solid state reliability with classic Crate performance and high cosmetic appeal Like all Crate products your 220 Bass amp is Musician Made in the U S A using only the best com ponents Extensive testing at many stages in its production including a final audition by a skilled musician insures you that your BXH 220 Bass amp is the best it can be In order to get the best possible performance please read this manual before you use the amplifier And thank for choosing CRATE Contents Introduction Features The Front Panel The Rear Panel Some Suggested Settings System Block Diagram Technical Specifications RISK OF ELECTRIC SHOCK RISQUE D ELECTROCUTION ELEKTRISCHE SCHLAGGEFAHR DO NOT OPEN NE PAS OUVRIR NICHT OFFENEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK ATTENTION POUR REDUIRE D ELECTROCUTION NE PAS VORSICHT ZUR MINIMIERUNG ELEKTRISCHER SCHLAGGEFAHR NICHT DO NOT REMOVE COVER ENLEVER LE COUVERCLE AUCUNE PIECE INTERNE N EST REPRABLE DEN DECKEL ABENHMEN INT
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