Ampeg B5R Musical Instrument Amplifier User Manual
Contents
1. 4 112 A A berzgeezaz B5R Bass Amplifier AB erage ax iste x OVERDRIVE _ _ OCTAVE FX VOLUME VOLUME EERE T I 9 20 8B 4 BB 6 17 8i 1 11 CHANNEL SELECT This switch selects the clean channel in the out position and the overdrive channel when depressed OVERDRIVE CHANNEL 12 OD BOOST This switch when depressed adds gain and tone shaping to the overdrive channel signal for heavy overdrive 13 GAIN This control sets the level of the signal entering the pre amp stage 14 STYLE This five position switch allows you to vary the tone of the overdrive channel The following table lists each of the different set tings experiment with the Style control for the results which suit you best POSITION 1 Mid cut for clean to semi overdriven sound POSITION 2 Slight mid cut POSITION 3 Basically flat POSITION 4 High end roll off POSITION 5 Large mid peak tailored for heavily overdriven sound combined with the clean channel 15 VOLUME This control adjusts the output level for the overdrive channel 16 OCTAVE VOLUME This control adjusts the output level for an added signal which is one octave lower than the instrument s original signal This signal is dependent on the clean channel s Volume con trol 5 and can be switched by the Octave footswitch 31 The effec tiveness of this signal depends on playing style pickup selection and neck position 17 FX BLEND This cont2. REMOVE THE GROUND PIN OF THE POWER CORD CONNECT ONLY TO A PROP ERLY GROUNDED AC POWER OUTLET CAUTION 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 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 The chart below shows the U S Government Occupational Safety and Health Administration OSHA regulations which were in effect at the time of this publication for permissible noise exposure per 29CRF1910 Table G 16 SOUND LEVEL dBA DURATION PER DAY SOUND LEVEL dBA DURATION PER DAY SLOW RESPONSE IN HOURS SLOW RESPONSE IN HOURS 1 1 2 i 1 2 1 4 or less According to OSHA any exposure in excess of those listed above could result in some hearing loss DANGEROUS VOLTAGE IT IS NECESSARY FOR THE USER TO REFER TO THE INSTRUCTION MANUAL REFERREZ VOUS AU MANUAL D UTILISATION EXPLANATION OF k i DANGER HAUTE TENSION GRAPHICAL SYMBOLS GEFAHLICHE SPANNUNG UNBEDINGT IN DER BEDIENUNGSANLEITUNG NACHSCHLAGEN l q A D A hex agua ax BSR Bass Amplifier An Introduction to your new Ampeg B5R Bass Amplifier Thank you for making one of the best choices you will ever make for your musical care
3. a CHANNEL MUTE COMBINE A hevzgnexay B5R Bass Amplifier Technical Specifications OUTPUT POWER RATING TONE CONTROL RANGE Bass Ultra Mid Treble SIGNAL TO NOISE RATIO FOOTSWITCH JACKS POWER REQUIREMENTS Domestic Export SIZE AND WEIGHT 675 Watts 2 Ohms 500 Watts Continuous 380 Watts 4 Ohms 310 Watts Continuous 220 Watts 8 Ohms 180 Watts Continuous 22dB range 50Hz 13dB range 250Hz 22dB range 8kHz 75dB typical A Channel Switch B Octave Tip Channel Combine Ring 120VAC 60Hz 545VA 100 120VAC 50 60Hz 545VA 220 240VAC 50 60Hz 545VA 19 17 4 W x 3 8 H with feet x 15 5 D 32 Ibs www ampeg com Ampeg is proudly Made in America 2000 SLM Electronics 1400 Ferguson Avenue St Louis MO 63133 U S A P N 47 043 01 05 00
4. and 1 4 line output jacks e EFFECTS LOOP Connect your effects here for increased intensity and quieter oper ation e POWER AMP IN PREAMP OUT A separate preamp may be connected to the Power Amp In jack and the Preamp Out jack may be connected to a slave amp or use as a patch point for active devices such as compressors EQs etc e FOOTSWITCH CONTROL Use footswitches to control channel selection the octave circuit and the channel combine feature e CIRCUIT BREAKER PROTECTION A heavy duty resettable circuit breaker provides protection against fault conditions e BUILT IN NOISE GATE A preset internal noise gate helps keep the Overdrive chan nel quiet while no signal is present Speakon is a registered trademark of Neutrik AG The Front Panel 12345 10 1 N oo gt or O O 1 0dB INPUT The signal output from an instrument active or pas sive typically passive or a line level signal may be connected here by means of a shielded instrument cable The signal at this jack is sent into the preamp at full amplitude 2 15dB INPUT The signal output from an instrument active or pas sive typically active or a line level signal may be connected here by means of a shielded instrument cable The signal at this jack is reduced 15dB before it is sent into the preamp 3 MUTE This switch when depressed mutes all outputs except the Tuner Out 28 This is excellent for tuning your bass with an e
5. In the unlikely event that your B5R should malfunction take a few minutes to troubleshoot it before you call for ser vice You can save yourself time and money by doing it yourself and often the problem is something quite simple LEDs LIGHT LEDs DON T LIGHT Check bass cables I I Check amp controls check POOR SOUND SOUND OK for signal from bass OUTLET OK NO POWER Check speaker s I I Check power cord Check house fusebox SPEAKER S OK SPEAKER S fuse power switch or circuit breaker POOR SOUND DEFECTIVE HUM Replace speaker s I Unplug bass POOR SOUND JSOUND OK touch tip of cable NO CHANGE Replace cable NO CHANGE SEE BELOW If the problem isn t covered above or if the steps lead you here then contact your Ampeg dealer for service informa tion Also you should refer your amp to an authorized service center if it gets dropped has liquid spilled into it or sustains damage to its power cord see page 2 System Block Diagram RO Mg gt gt 15dB INPUT EFFECTS EFFECTS SEND RETURN Lae BASS ULTRAMID TREBLE I TE FX STYLE PREAMP PWR AMP OUT IN gt TON A l l ewe MASTER Ed BOOST GAIN A G 3 STYLE OCTAVI CIRI OCTAVE z
6. Owner s Guide for the A baz age eae BSR Bass Amplifier A buvzgnezay B5R Bass Amplifier TABLE OF CONTENTS Important Safeguards and Precautions Introduction Features The Front Panel The Rear Panel Some Suggested Settings Rack Mounting Troubleshooting System Block Diagram Technical Specifications Important Safeguards and Precautions All Ampeg products are designed for continuous safe operation as long as common sense is used and steps are taken to help avoid certain problems Abiding by the following rules can help prevent damage to your amplifier yourself and others e The amplifier is equipped with a three pronged AC power cord To reduce the risk of electrical shock NEVER remove or otherwise attempt to defeat the ground pin of the power cord Connect the amplifier ONLY to a properly grounded AC outlet of the proper voltage for your amp Avoid sudden temperature extremes rain and moisture Also avoid sudden and intense impact If the unit has been subjected to any of the preceding abuses have it looked at by an authorized service center NEVER set the amplifier on a support that might give out under its weight e Whenever using tall or stacked speaker cabinets use them ONLY on a level surface NEVER set tall or stacked cabinets on a surface with more than a five degree incline since tipping or falling could occur possibly causing seri ous injuries Always keep the total speaker impedance at
7. TYLE VOLUME VOLUME and the octave signal S A Q amp aye aie oa oaeos OL The Master control should be gee en soasr set to produce the appropriate output volume level LOUD CLEAN ROCK HARD DRIVEN ROCK CLEAN _ _ _ gt _ OVERDRIVE __ _ OCTAVE VOLUME STYLE BASS ULTRA MID TREBLE CHA NEL 2346 OUT PEAK MUTE OD BOOST LAYERED BASS W GUITAR MIX CLEAN r _ OVERDRIVE _ _ OCTAVE VOLUME STYLE BASS ULTRA MID TREBLE CHANNEL GAIN STYLE VOLUME VOLUME 345 Se TETE FIN PEAK MUTE OD BOOST POWER TRIO CLEAN r OVERDRIVE OCTAVE VOLUME BASS ULTRA MID TREBLE CHANNEL GAIN STYLE VOLUME VOLUME SELECT EERI 12346 im A i ee A PEAK MUTE OD BOOST Rack Mounting When mounting the amplifier into a rack the four bottom feet should be removed to maintain the three rack space height of the ampli fier Be sure to keep the feet and their attachment bolts for future use If the feet are reinstalled never use screws which will protrude farther into the amplifier than the original hardware The rack must be a high quality enclosure capable of securely supporting the weight of the amplifier Tighten the mounting screws securely through the amplifier s face plate into the rack rails Check the rack and mounting screws occasionally to ensure a continual ly safe and secure installation OD A hrrzgme ax B5R Bass Amplifier Troubleshooting
8. er choosing one of the finest bass amps available the Ampeg BSR This versatile and powerful bass amplifier delivers up to 675 watts of unsurpassed musical power and offers several outstanding features All of the features and controls of your B5R are covered in detail within the pages of this owner s guide We recommend going over them before you use the amplifier Features In the world of high performance bass amps Ampeg amplifiers stand alone In true Ampeg tradition the B5R offers you more power performance and flexibility than any other bass amplifier in its class The out standing features of your new amplifier features which set it apart from the competition are listed below e TWO SEPARATE CHANNELS Clean and Overdrive with the ability to combine the two for a unique sound and added versatility e TWO 5 POSITION STYLE CONTROLS Take your pick from five different tone varia tions to best suit your playing style e OCTAVE CIRCUIT Adds another signal to the input signal one octave lower than the original e FX BLEND Varies the amount of external effects mixed into the signal e TUNER OUT JACK Allows connection to an electronic tuner and provides an always live monitor feed even when the other outputs are muted e HEAVY DUTY SPEAKER JACKS A Speakon jack is provided for a more reliable connection at higher outputs as well as a pair of 1 4 jacks e TRANSFORMER BALANCED UNBALANCED LINE OUTPUTS Balanced XLR
9. l into the power amp section The internal signal is disconnected when a plug is inserted 30 PREAMP OUTPUT This jack is a direct preamp output for use with an external power amplifier mixing board external effects etc Connect the external unit input to this jack by means of a shielded instrument cable Using this output does not break the connection to the internal power amplifier 31 OCTAVE COMBINE FOOTSWITCH Connect a two button footswitch to this jack for remote control of the Octave and Combine features The tip connection controls the Octave fea ture and the ring connection controls the Combine feature 32 CHANNEL FOOTSWITCH Connect a single button footswitch to this jack for remote channel selection Speakor is a registered trademark of Neutrik AG A hevzgneay B5R Bass Amplifier Some Suggested Settings SVT OVERDRIVEN Since so many variables affect CLEAN OVERDRIVE OCTAVE the actual sound of any system the following settings are offered as starting points to help you find the exact sounds your playing demands When using the B5R please keep in mind the following points VOLUME BASS ULTRA MID TREBLE CHA NEL GAIN STYLE VOLUME VOLUME aS a 1234 1234s eovyu Fy Fuse PEAK MUTE oD BOOST FUNK ALTERNATIVE CLEAN The Volume and Gain controls are used together to set the Get al I ah a eal NOAE relative levels of each ch ann el VOLUME SE BASS ULTRA MID TREBLE 7 fp GAIN S
10. lec tronic tuner without having to adjust any levels or turn down your stage volume 4 COMBINE This switch when depressed allows the clean chan nel to remain active when the overdrive channel is selected combin ing the two channels to create a different sounding third channel CLEAN CHANNEL 5 VOLUME This control adjusts the output level for the clean chan nel and the input to the Octave circuit 16 Adjust this control no high er than that which causes the Peak Mute LED 6 to flash on strong signal peaks 6 PEAK MUTE LED This LED flashes when the signal level in the preamp approaches clipping When the Mute switch 3 is depressed this LED remains illuminated until the Mute is turned off 7 STYLE This five position switch allows you to vary the tone of the clean channel The following table lists each of the different settings experiment with the Style and other EQ controls for the results which suit you best POSITION 1 Fully scooped mids mid cut POSITION 2 Traditional passive tone setting POSITION 3 Basically flat POSITION 4 Boosted high end POSITION 5 Basically flat with low end roll off for loud playing without muddiness 8 BASS This is the primary low frequency control which has a range of 22dB 50Hz 9 ULTRA MID This is the primary midrange control which has a range of 13dB 250Hz 10 TREBLE This is the primary high frequency control which has a range of 22dB 8kHz
11. or above the rated load e Unplug the amplifier before cleaning it NEVER spray liquid cleaners onto the amplifier Wipe it with a slightly dampened lint free cloth to remove dirt and film e Don t use the amplifier if it has sustained damage to the chassis controls or power cord Refer the unit to an authorized service center for inspection e Amplifiers capable of producing high volume levels are also capable of inflicting permanent hearing loss or damage if the exposure to such levels is prolonged Such damage is progressive and irreversible See the chart below A ete CAUTION EE ATTENTION Oh SEE VORSICHT 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 ACCIDEN TAL DAMAGES OR INJURY PLEASE FOLLOW THESE PRECAUTIONARY GUIDELINES WARNING TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT OPEN CHASSIS DO NOT DEFEAT OR
12. ord into a grounded AC outlet DO NOT DEFEAT THE GROUND PRONG OF THE AC PLUG 23 SPEAKER OUTPUTS The 1 4 jacks offer a convenient method of connecting to speaker cabinets using cables terminat ed with 1 4 plugs However when using the amplifier at or near its full output power using the Speakon jack is recommended 24 25 TRANSFORMER BAL LINE OUT These jacks supply a pre Master line level signal for connection to a house mixing board recording console or external amplifier s The 1 4 jack 24 provides a balanced or an unbalanced signal depending on the signal cable used the XLR type jack 25 provides a bal anced signal 26 EFFECTS LOOP RETURN When using external effects connect the effect s output into this jack by means of a shielded instrument cable FOOT SWITCH OCTAVE 27 EFFECTS LOOP SEND When using an external signal processor connect this jack to the input of the effect by means of a shielded instrument cable 28 TUNER OUT This jack is provided for connection to an elec tronic tuner and is always live even when the Mute switch 3 is engaged allowing for silent tuning as well as a monitor feed which remains active when the other outputs are muted 29 POWER AMP INPUT This jack connects directly to the power amp for use with an external preamp When using an external source connect the OUTPUT of the source to this jack by means of a shielded instrument cable to feed the signa
13. rol varies the mix between the direct dry signal and the effects wet when the effects loop 26 27 is used Full counterclockwise results in all direct signal no effect and full clock wise gives all effect and no direct signal The clockwise position is equivalent to a series effects loop and should be used with such devices as limiters and equalizers 18 MASTER This control sets the overall output level of the amplifier 19 OD CLEAN LEDS The red LED OD upper illuminates when the overdrive channel is selected while the green LED CLEAN lower illuminates when the clean channel is selected 20 POWER This heavy duty rocker switch applies AC power to the amplifier The amp is ON when the top of the switch is depressed OFF when the bottom of the switch is depressed SPEAKER OUTPUTS 21 CIRCUIT BREAKER The B5R employs an AC line circuit breaker to help protect against damage due to excessive current demands If the amplifier stops working check the circuit break er If it has opened the button will be protruding and showing a contrasting color You can reset the circuit breaker by pushing it in until it latches The breaker must cool down for a short time before the button will latch If the circuit breaker opens repeated ly have the amplifier checked by a qualified service person 22 AC LINE IN Firmly insert the supplied AC power cord into this socket until it is fully seated Plug the male end of the c
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