Crate Amplifiers BX-2115 Stereo Amplifier User Manual
Contents
1. amp amp i SS HD O CHORUS ON MASTER BX 2215 L SPECTRUM DEPTH RATE ONLY J PRE LINE OUT LEVEL PREAMP OUT POWER AMP IN POWER oi SPEAKER OUT LIMIT LED SPEAKER OUT HES HE HEAD A PHONES HEADPHONE LEVEL w qe Technical Specifications Maximum Input Signal Level Accepted Input Power Requirements Input Impedance Signal to Noise Ratio Output Power Rating Gain 1kHz EQ Section Internal Speaker Size Type Magnet Voice Coil Impedance Size and Weight BX 220H Size and Weight BX 2115 Size and Weight BX 2115L including rubber feet without casters installed casters add 1 3 4 to height Bx 220H BX 2115 ThunoerBass Amplifier 17 volts peak to peak 15dB switch pressed in 120VAC 60Hz 550 watts max 500k ohms 15dB switch out 75k ohms 15dB switch in 75dB typical 160 watts RMS O lt 5 THD w 8 ohm load 120VAC line 220 watts RMS O lt 5 THD w 4 ohm load 120VAC line 67dB with EQ flat Contour off 20dB range 10dB 40Hz 100Hz 225Hz 625Hz 1 6kHz 4kHz 8kHz and 16kHz BX 2115 BX 2115L 15 ThunderBass 15 JBL M 151 56 oz 256 oz magnet assembly 2 2 o 8 ohms 8 ohms 7 1 8 H x 19 1 2 W x 12 D 30lbs 23 5 8 H x 24 W x 15 3 4 D 78lbs 23 5 8 H x 24 W x 15 3 4 D 84lbs CRATE continually develops new products as well as improves existing one2. C ss so Y e e CCS UR se e eeeeeee B eeeeee CHPIPIPIPP COM CC E S a S a A L a RM AR RAA AAA AAA AAA ASS Se GE 2 2 AA A AAA SA Urwweeeeeeeee DOCO CCO ECE CBN AAJ ee IIA eeeeeeeeeeeeeeeeeeeeeeeeeeeg EE SCECE CP e e ee BO g g ne eeeeeeee DOC Co oC Co J3 COMeCcCPPDPUCCCOCOCCOCCCOCCCCOCOC COCO COCO COCO CCC MERANER 2 eeeeeeeee JEE EEE E ERJA J J I COPC OPI ELECO COCO COUVE DP AA A A COLOCARLO OO CPP SEL CC CPP POCCCOCOCCCCCOCCCCCOCOCOCCOCCCCCCCO COCO COEP e CF OV EE E E O Eege e g g te eg ee CPP PECCECOCCOCOCOCOCOCOCOC CCO COCO COCO COCO CCEE e ege o o E E OI 2 2 ege e MP PPPOCCCOCOCCCOCOCOCCOCOCOCECCO COCO CO CC sr sr ss e ee GR NN Ee IIS 2 IDO e cPPPPEPECCCOCCOCCCOCOCOCO CCC COCO COCO CO COCO CCC SECO SCO rr I e CCP IDO DOC 2 AIJ BR 2 O O DA E E E GG e ee e ee ee ee ee ee e Ge Ge Ge COEP PRB e ad AAA AAA ARA AA HAIR ABS GEORGES E E E GG Ge Ge ee e ee ee ee ee ee e Ge Ge SESE ESOC sr sr sr e e DL O LALA beeeeeegegC greee e GIS eeeeeeeeeeeeee gier Ge Coco CC o Ce Co CC COCO BUD BEPREM e CLO e Gg eege CALS BX 220H BX 2115 ThunderBass Amplifier Congratulations You are now the proud owner of the innovative Crate BX 220H BX 2115 ThunderBass amp These fea ture packed powerhouses offer you solid state reliability with classic Crate performance Like all Crate products your BX 220H BX 2115 ThunderBass amp is Musician Made in the U S A using only the best components Extensive test
3. CE 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 EXPLANATION OF DANGEROUS VOLTAGE IT IS NECESSARY FOR THE USER TO REFER TO THE INSTRUCTION MANUAL A DANGER HAUTE TENSION REFERREZ VOUS AU MANUAL D UTILISATION GRAPHICAL SYMBOLS GEFAHLICHE SPANNUNG UNBEDINGT IN DER BEDIENUNGSANLEITUNG NACHSCHLAGEN w E 22S BX 220H BX 2115 ThunderBass Amplifier Introduction Crate s new BX 220H BX 2115 ThunderBass amplifiers are feature packed professional strength power houses which can deliver incredible bass sounds Rugged construction reliable American craftsmanship and solid state electronics add up to create one very roadworthy stage ready piece of gear The BX 220H 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 B
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5. Owner s Manual for the A 2e2 0H BX 2115 N PUT EQUALIZATION MASTER EFFECTS BLEND HEADPHONES LEVEL LINE OUT INCREASE LEVEL GAIN CONTOUR MASTER 4 40 100 225 625 l k 4k 8k 16k NTOUR LIMIT POST PRE ON OFF N PUT EQUALIZATION INCREASE GAIN y 5 a GAIN CONTOUR CONTOUR ON OFF 40 100 225 625 16k 4k PE ee ee me et PPP I PP PB LIDAD IDA 4 gt MASTER LIMIT gt MASTER EFFECTS BLEND LINE LEV OUT EL POST PRE Eee ee gt HEADPHONES LEVEL HEADPHONES EE E P 4 gt HEADPHONES 2 BX 220H CRATE CHORUS SPECTRUM DEPTH RATE CHORUS ON OFF TIVE BX 215 CRATE ee DA DADA DADA DA LALA DADA LIL DO DO RD ee ee eee ee JJ J JJ J OP PD AAA PPPS PPP PPA A A A4 A A A A A A A A4 A A A A A A A A A AM 4 A4 A 4 AJ AM AJ A AJ A JJ A STARR AAA AA 1606 606666606 PP DP JJ A A A A A A A JJ A A A AJ AJ d POCOO 27224 A A A A AJ A AJ JA A A A AJ AJ A US J J J J E E E BEO J JP PDP AJ A A A Ad A AJ A A A A A A POC 6660066 3 27224 A A A AJ AJ A A A A A AJ AJ AJ A 1660666066 6 CHPIPIPIP JA AJ A A A A A A JJ AJ AJ A 6606660666 CPP iii AAA A A JJ A A A A AJ AJ A A LE AAA 3322 AJ AJ JA A A A A A JJ A AJ A 6066606066 OA Pee AAA A A A JJ A A A A AJ A A OOS SC 6 AI a BD J J Je Je J J PD PPD SD DD OB 1066066066 SC CRP eee eee eee CC Eee PE P a AJ A A AJ A JJ A A A A AJ AJ A JA I AMA
6. X 2115 combines the same great bass amp with an equally outstanding 15 ThunderBass American made transducer for a small but hard hitting combo amp suitable for the club small hall or recording studio An optional JBL 15 bass transducer is also available BX 2115L Both amplifiers will deliver 220 watts into 4 ohms or 150 watts into 8 ohms A listing of the features of these amps is given below Features Additional information can be found on the pages indicated e Solid state circuitry for reliable service and incredible tones e 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 Switchable chorus with adjustable spectrum rate and depth controls BX 2115 only 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 your favorite processors and effects page 5 e Rugged Tolex covered cabinets for durability with nickel and chrome accents for high cosmetic appeal e Removable heavy duty casters for ease of transportation BX 2115 2115L only e Musician made in the U S A e Crat
7. controls the level of the signal at the Balanced Line Out jack 25 You may also use this output or the headphone jack 14 to run a signal to a tuner 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 pre 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 O 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 1516 17 20 1819 C 0 R CHORUS 7 9 ON OFF 0 OACTIVE BX 2115 CRATE 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 speak er outputs or the internal speaker BX 2115 You may also use this output or the line out jack 25 to run a signal to a tuner 15 19 Chorus Section BX 2115 2115L Only 15 CHORUS ON OFF This switch turns the Chorus sect
8. e s exclusive 5 year warranty U S only see your dealer in other areas for warranty information The Front Panel 1 2 4 d 7 N PUT y NOREASE Um 6 CONTOUR AIN CONTOUR 40 100 225 625 1 6k ON OFF 3 6 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 O 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 is the one where the OK 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 control allows you to make additional changes to your tone and is active only when the Contour On Off switch 6 is pressed in As t
9. he wave icons indicate you can enhance both the lows and highs at the same time or add mid punch 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 4 EQUALIZATION 4k 8k l BC are BX 220H BX 2115 ThunserBass Amplifier 8 10 12 13 M ARS TE R LINE OUT EFFECTS HEADPHONES MASTER LEVEL BLEND EVEL 5 IR On LIMIT POST PRE H HM HEADPHONES 9 11 14 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 424 as well as the Preamp Out jack 422 9 LIMIT The amplifier employs Crates APM 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
10. ing at many stages in its production including a final audition by a skilled musician insures you that your BX 220H BX 2115 ThunderBass amp is the best it can be In order to get the best possible performance please read this manual before you use the amplifier RATE And thank vou for choosing Contents Introduction Features The Front Panel The Rear Panel Some Suggested Settings System Block Diagram Technical Specifications CAUTION ATTENTION VORSICHT 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 INTERNE 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 IN ORDER 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 REDU
11. ion on when pressed in off when switched out 16 SPECTRUM This control allows you to adjust which frequencies from the entire range to only above 500Hz are enhanced by the chorus effect The further to the left toward Full you turn the control the broader the spec trum of the chorus effect 17 DEPTH This control sets the amount of chorus enhancement towards 0 for less towards 10 for more 18 RATE This control sets the speed for the chorus effect towards 0 for slower towards 10 for faster 19 ACTIVE This LED lights when the chorus effect is engaged The LED puls es in relation to the rate of the chorus 20 POWER This two position switch turns the amp on and off on being the UP position The switch lights up when the amp is turned on The Rear Panel 21 A 21 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 22 PREAMP OUT A 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 23 POWER AMP IN A pre amplified line level signal may be sen
12. rnal effects processor Use shielded cables with mono 1 4 plugs for connecting the Effects Loop S a ome Su Rock N PUT INCREASE CONTOUR y GAIN A CONTOUR ON OFF AS NEEDED OUT Jazz E GAIN 7 INCREASE CONTOUR 5 Za GAIN CONTOUR ON OFF AS NEEDED IN Country NPUT INCREASE GAIN 5 a GAIN CONTOUR ac o CONTOUR ON OFF AS NEEDED IN Funk NPUT yy INCREASE a GAIN GE CONTOUR ON OFF AS NEEDED IN ested Settings EQUALIZATI 40 100 225 625 16k 4k EQUALIZATION 40 100 225 625 16k 4k EQUALIZATION 100 225 625 16k 4k 8k EQUALIZATION 40 100 225 625 16k 4k goal S Bx 220H BX 2115 ThunderBass Amplifier MASTER LIMIT MASTER LIMIT MASTER LIMIT MASTER LIMIT MASTER MASTER MASTER MASTER CHORUS EFFECTS BLEND HEADPHONES LEVEL LINE OUT LEVEL SPECTRUM DEPTH CHORUS ON OFF FULL 500 POST PRE OUT CHORUS EFFECTS BLEND HEADPHONES LEVEL LINE OUT LEVEL SPECTRUM DEPTH POST PRE ML OUT CHORUS EFFECTS BLEND HEADPHONES LEVEL LINE OUT LEVEL SPECTRUM DEPTH POST PRE OUT CHORUS EFFECTS BLEND HEADPHONES LEVEL LINE OUT LEVEL SPECTRUM DEPTH RATE POST PRE Cars SBX 220H BX 2115 ThunverBass Amplifier System Block Diagram INPUT EFFECTS SEND er GAIN O 15dB PAD PEAK LED EC T E RETURN A 777
13. s For this reason specifications and information in this manual are subject to change without notice ho MUSICIAN MADE THE SAE by wz 1996 CRATE SLM ELECTRONICS A DIVISION OF ST LOUIS MUSIC 1400 FERGUSON AVENUE ST LOUIS MO 63133 47 589 01 01 96
14. t 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 22 signal is not interrupted Ir CAUTION Tot 24 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 25 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 mer EFFECTS LOOP OUT PWR AMP e e IN A 4 Ki n SE 27 26 NIMAP gt MUVO pa 8 BALANCED LINEJOUT 24 25 410 This signal is switchable to be either pre or post EQ through the front panel Pre Post switch 11 26 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 27 EFFECTS LOOP RETURN This jack receives the signal from the output jack of an exte
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