Mesa/Boogie M 2000 Stereo Amplifier User Manual
Contents
1. sound to the power section will be muted and the instrument signal will pass straight iod through to the TUNER OUTPUT jack TUNER OUTPUT FOOTSWITCH BALANCED OUTPUT BALANCED LEVEL This electronically balanced XLR jack provides two possible ways of interfacing to mixing consoles for live and recording situations POST captures all the robust warmth of the M 2000 s two powerful and distinct pre amp circuits as well as giving you the added flexibility of 18 bands 9 per channel of Bass friendly graphic equalization Add to this the frequency specific compression FX LOOP AUTO RAQOTSWITCH MIX Eum circuits in each channel that are tweaked for Bass and we think you too will find the M 2000 is the ultimate way to capture Bass pos OQ ME ee direct Switched to PRE all M 2000 circuitry is removed from the AN signal path and the signal is then fed straight from either Instrument Input jack to the Balanced Level control and straight on to the BALANCED TUNER BALANCED OUTPUT LEVEL OUTPUT FOOTSWITCH CHANNEL SELECT FET MODE x EXT TUBE FOOT _ TUBE SWITCH HI GAIN FOOTSWITCH PAGE 9 BALANCED OUTPUT BALANCED LEVEL Continued Balanced Output XLR jack Basically HANNE SELES this means that your instrument is a ANODE going directly into the console with no alteration from the M 2000 Sometimes this is preferred when ais Z lt u playing venues with large sound systems that ha2. CAUTION NEVER BLOCK AIR VENTS C SPEAKER OUT OUT gt CAUTION NEVER BLOCK AIR VENTS We hope this manual has answered most of your operating questions and that you now feel confident to start experimenting on your own The M 2000 was created in the pioneer spirit and from its conception was intended to be an instrument of limitless expression As you become more familiar with the unit we re sure that you will realize that the M 2000 is a wise investment in your future as a bassist and one of the best things you ever did for your musical pursuits We are proud to be your amplifier company Thank you for trusting us with your sound Best W ishes PAGE 12 ACTIVE INSTRUMENT INPUTS PASSIVE ACTIVE PASSIVE ACTIVE PASSIVE ACTIVE PASSIVE PASSIVE Settings Templates for Your Personal 50Hz 80 180 300 600 1 2K 4K 6K 8K Simut State Power 50 THRESHOLD MIX TUBE FET OO z O HI GAIN CLIP FREQUENCY OUTPUT LEVEL M Esa OOOOO GAIN TREBLE MIDDLE BASS MASTER VACUUM TUBE CHANNEL 50Hz 80 180 300 600 1 2K 4K 6K 8K Simut State Power 50 COMPRESSION MEsA BoociE O e Ors 00000 5 5 GAIN TREBLE MIDDLE BASS MASTER HI GAIN CLIP VACUUM TUBE CHANNEL FREQUENCY OUTPUT LEVEL 50Hz 80 180 300 600 1 2K 4K 6K 8K Simut STATE Power M Esa BOOGIE Os IS t e GAIN TREBLE MIDDLE BASS MASTER VACUUM TUBE CH
3. amp GRAPHIC EQ Select the VACUUM TUBE CHANNEL using the footswitch labeled TUBE on the Foot Controller and set the controls as per this example 50Hz 80 180 300 600 1 2K 4K 6K 8K EQIN Oo HHHH NOTE The M 2000 automatically returns to the mode that was last used upon BRIGHT power up when the Channel Select rotary switch is set to Footswitch When the Mesa Boole Foot Controller is not being used the M 2000 will power up with the mode NORMAL HIGAIN chosen on the Channel Select rotary switch GAIN TREBLE MIDDLE BASS MASTER VACUUM TUBE CHANNEL MIX ASSIGN Locate the 3 mini toggle switches on the left side of this channel and set to these positions 50Hz 80 180 300 600 1 2K 4K 6K 8K EQIN ZA O OUT MIX MODE BRIGHT 4 Mesa BOOGIE HI GAIN 700000 GAIN TREBLE MIDDLE BASS MASTER VACUUM TUBE CHANNEL MIX ASSIGN COMPRESSOR THRESHOLD amp FREQUENCY Set the Vacuum Tube Channel s Compressor Threshold and Frequency Controls per this example while leaving the Ratio toggle switch in the COMPRESSION 50 COMPRESSION JOR e TUBE FET MIX OFF 3 down position TOR positon THRESHOLD THRESHOLD 3 3 1 TO 5 OFF HI GAIN CLIP OFF V FREQUENCY OUTPUT LEVEL OFF FREQUENCY LISTENING LEVEL With your instrument connected to the proper Input jack Passive or Active SLOWLY bring up the P volume with the Output Level control while playing
4. BASS BASS FREQ 5 S VACUUM TUBE CHANNEL FREQUENCY OUTPUT LEVEL FREQUENCY FIELD EFFECT CHANNEL VACUUM TUBE FIELD EFFECT CHANNEL CONTROLS CHANNEL CONTROLS ONLY TWO CONTROLS THAT ARE COMMON TO BOTH CHANNELS You may be much too excited about playing your new toneship to spend the time now to read this manual cover to cover explaining the M 2000 s many controls and features For those of you with the most serious tone jones we ve included this B Line to great Bass sound all means ENJOY So that you get the most from your M 2000 for years to come please take the time and read this manual at some point It contains information that you will need to know in order to optimize the M 2000 s performance so that it can in return catipult your playing to a new level of inspiration INSTANT GRATIFICATION DEMO ae 50Hz 80 180 300 600 1 2K 4K 6K 8K Simut State Power 50Hz 80 180 300 600 1 2K 4K 6K 8K ACTIVE e MIX MODE k7 INSTRUMENT w MEsABooG E re Basis 2000 HIGH e o 3 1 NORMAL b PASSIVE MIX GAIN TREBLE MIDDLE BASS MASTER RON MASTER TREBLE MIDDLE BASS BASSFREQ BASS ASSIGN S OFF SHIFT VACUUM TUBE CHANNEL E FREQUENCY OUTPUT LEVEL FREQUENCY FIELD EFFECT CHANNEL Basis M 2000 By now you see the M 2000 houses two completely different pre amplifiers one all tube one FET These may be footswitched between and or combined by utilizing the Mix Mode in
5. COMPRESSION 50 NORMAL M Esa BOOGIE ZO O en 3 1 THRESHOLD MIX NORMAL TUBE AM GAIN TREBLE MIDDLE BASS MASTER 60 e VACUUM TUBE CHANNEL me FREQUENCY OUTPUT LEVEL PASSIVE Driving Rock 50Hz 80 180 300 600 12K 4K 6K 8K SIMUL STATE ACTIVE EG MIX MODE M ESA BOOGIE HI GAIN te t OOOQO x TUBE ji GAIN TREBLE MIDDLE BASS MASTER j dud VACUUM TUBE CHANNEL ju FREQUENCY OUTPUT LEVEL PASSIVE PAGE 15 FRONT VIEW BASIS M 2000 EQ pt 588540 EQ pt 588540 SWITCH pt 607203 PILOT LIGHT JACK ptf 618102 SWITCH 607203 KNOB pt 408530 KNOB pt 408530 pt 703047 LENS pt 50Hz 80 180 300 600 12K AK 6K 8K Simut STATE Power 50Hz 80 180 300 600 1 2K 4K 6K 8K 703786 ACTIVE PILOT LIGHT HOLDER law LED pty 295630 N BOTH GREEN pt 703900 INSTRUMENT LED COMPRESSION 50 ON INPUTS MESA BOOGIE ED 42 40 BASIS 2000 A O es 03 Gx is s nee THRESHOLD MIX 599737 Gi Gz NORMAL Gus 592145 592145 5 OE POTA e Gs FET POT 2 T i Ni PASSIVE MIX GAIN TREBLE MIDDLE BASS MASTER i N Gs MASTER TREBLE MIDDLE BASS BASS POWER SWITCH ASSIGN OFF LIP OFF FREG 602110 VACUUM TUBE CHANNEL FREQUENCY OUTPUT Sane FIELD EFFECT CHANNEL pt JACK ptit 618102 KNOB pt 408004 SWITCH at 5620 568WITCH KNOB pti 408004 5k 607203 607203 all 5 knobs SWITCH pt _607101 eel in pt S690 acc SWITCH pt 50710
6. a medium overdrive sound to audition Select the MIX Mode if you have not already done so Start with the MIX Control panned hard right 100 FET and sweep left At slightly before 12 00 you will hear the overdrive from the TUBE Channel s HI GAIN Mode start to come into the mix Continue sweeping toward the TUBE Channel until the desired blend is reached To adjust the amount of overdrive in the TUBE Channel simply raise or lower the GAIN Control until you find the intensity amount of distortion that you desire It may be helpful to reduce the setting of the rotary BASS Control in the TUBE Channel when using the HI GAIN Mode especially with higher settings of the GAIN Control High settings of these two controls simultaneously will often produce a flubby indistinct attack If you need more low frequencies when dialing up Hi Gain sounds try using the lower bands 50 80 amp 180K of the Graphic Equalizer as it occurs later in the signal path and is therefore less likely to be detrimental to the attack characteristic GRAPHIC E Q MIX ASSIGN One or both 9 Band Equalizers may be automatically engaged when the MIX Mode is called up via the footswitch or via the Rear Panel rotary switch Simply select the MIX ASSIGN down position of the 3 position E Q mini toggle switch that is adjacent to each Equalizer and it will be activated automatically every time you choose the MIX Mode Needless to say this increases the sonic power of the MIX M
7. a note KOR NOTE Use care as this control is capable of unleashing substantial MIX power which can result in either speaker or hearing damage TUBE FET HI GAIN CLIP OUTPUT LEVEL PAGE 3 BRIGHT BRIGHT NORMAL SWITCH While playing an open string activate the BRIGHT NORMAL switch to the up position NORMAL 50Hz 80 180 300 600 1 2K 4K 6K 8K ACTIVE TT Become familiar with the frequencies that this Ou switch enhances as it works along side the re Graphic Equalizers top 3 bands 4 6 amp 8K to BRIT bring outthe upper harmonics and sparkle INSTRUMENT NORMAL 9 BAND EQ Setthe Tube Channel s 9 Band Equalizer per this example if you have not done so and activate it by using the 3 position mini toggle switch ayy position 50Hz 80 180 300 600 1 2K 4K 6K 8K ACTIVE MIX MODE fim To activate the 9 Band Equalizer via the Q ee Footcontroller you must have the front panel 3 BRIGHT position mini toggle switch in the OUT position or in INSTRUMENT the MIX MODE position There are two of these INPUTS Switches one per channel located to the right and left respectfully When the E Q 3 position switch is in the MIX MODE the E Q will automatically be engaged NORMAL Turn on the Compressor by selecting the 3 1 position on the face panel of the M 2000 With the Threshold set per the example to the left play a low note and sweep the Frequency control clockwise COMPRE
8. and may be triggered remotely by the Gain switch on the Foot Controller The M 2000 s Simul State power section feeds two mono 1 4 inch jacks or two 3 pin XLR jacks to deliver a robust 600 Watts RMS into 4 Ohms which is the recommended load The toneful Simul State circuit uses a 12AX7 driver tube to feed the power block of 12 high quality mosfets This design boasts the smooth warmth found in all tube circuits and the tight immediate response often associated with solid state amplification As you can see the 2000 has all the needed features to elevate your playing to new plateaus yet it remains simple and straightforward to use The following is an explanation ot the controls and a few setting examples CAUTION NEVER BLOCK AIR VENT FRONT VIEW BASIS M 2000 Vv 50Hz 80 180 300 600 1 2K 4K 6K 8K Simut STATE Power 50Hz 80 180 300 600 12K 4K 6K 8K ACTIVE M ESA BOOGIE COMPRESSION ie TUBE Qai TREBLE MIDDLE BASS MASTER MASTER TREBLE MIDDLE BASS BASSFREQ e el Basis M 2000 HIGAIN OUTPUT LEVEL FREQUENCY FIELD EFFECT CHANNEL ASSIGN VACUUM TUBE CHANNEL n e EXTERNAL SELECT SPEAKER OUT SPEAKER EFFECTS LOOP CHANNEL SELECT TUBE FET TUBE rer CROSSOVER MODE TUBE MIX FOOT _ can HIGH FX LOOP AUTO SUGGESTED LOAD 4 OHMS FUNCTION ASSIGN 600 WATTS RMS RETURN 5 MUTE GAIN MINIMUM LOAD 2 OHMS FS E 9 9 N y TUBE MIX TUNER 117 VAC 60Hz 12
9. are where the similarity ends 50Hz 80 180 300 600 1 2K 4K 6K 8K EQIN MIX MODE Basis M 2000 eeeee MASTER TREBLE MIDDLE BASS BASSFREQ FIELD EFFECT CHANNEL PAGE 4 TRENA In this channel the bass frequencies are shaped utilizing a pair of parametric type controls 1 2K 4K 6K 8K EQIN laa OUT MIX MODE 2000 ee BASS BASS FREQ NOTE When switch is in the Down positon KO the controls BASS and KO BASS FREQ shape and control frequencies from 30Hz to 100Hz NOTE When switch ON is in the Up position the TO controls BASS and KO BASS FREQ shape and control frequencies from NNEE 100Hz to 200Hz POWER Two rotary controls Bass and Bass Frequency enable you to center in on the region of lows that you wish to enhance and boost or cut them to your desire J ust to the right of these two controls there is a mini toggle switch that enables you to Shift the region of bass that the Bass Frequency rotary control affects As you might have guessed this mini toggle switch lowers the action of the control when in the down position and shifts the region up higher when the toggle is in the up position So that you have complete control of the entire range of low frequencies the Low and High ranges of the Bass Shift overlap at 100Hz This overlap occurs at 5 30 fully cranked on the Bass Frequency control when the Bass Shift switch is in the Low position
10. that uses 1 4 inch tip to ground ports This way the M 2000 can easily be interfaced to existing FUNCHONASSIGN MIDI controlled systems allowing instant access to the Modes under MIDI program change commands mote S GAIN Setthe CHANNEL SELECT to EXT and connect the six 1 4 inch jacks found in the EXTERNAL SELECT section far left of the Rear Panel to the switching source Unshielded cable is preferable for this application Trigger the M 2000 Modes by programming your switching system to ground the corresponding M 2000 External Select jack to bring up the Mode of your choice under a given MIDI program number Thi mini toggle switch programs the GAIN switch on the FOOTSWITCH M 2000 Foot Controller The GAIN switch serves a dual UNCTIONASSIGN purpose in the switching scheme of the M 2000 It may be used in its normal mode to select the TUBE MUTE Channel s HI GAIN Mode In this case set the FOOTSWITCH FUNCTION ASSIGN Switch to the GAIN t right position This toggle switch may also be used in conjunction with the TUNER Output to produce a silent tuning mode for stage use FUNCTION ASSIGN FOOTSWITCH MUTE GAIN Connect a tuner to the 1 4 inch jack labeled TUNER OUTPUT located just to the left of the 6 pin 9 XLR Footswitch jack Select MUTE with the FOOTSWITCH FUNCTION ASSIGN toggle switch to the left When the GAIN switch is selected on the M 2000 Foot Controller all O
11. 00VA HI GAIN MODE SPEAKER OUT c OUTPUT FOOTSWITCH 250 VOLTS INITIAL SET UP CONNECT SPEAKER First connect the M 2000 to your favorite speaker cabinet using either the 1 4 inch jacks or the 3 _ A phnXLRS The recommended load is 4 Ohms SPEAKER OUT a m m rn AJ 0 SPEAKER 600 WATTS RNS MINIMUM LOAD 2 OHMS SUGGESTED LOAD 4 OHMS SPEAKER OUT CONNECT FOOT CONTROLLER Then connect the M 2000 s Foot Controller to its 6 Pin Male XLR J ack aN VANA Wy Mure amp GAIN pe TUNER L OUTPUT FOOTSWITCH CHOOSE SWITCHING LOGIC Select FOOTSWITCH with the rotary control If the Foot Controller is not available use the rotary control to select the channels during this exercise CHANNEL SELECT nm FET MODE N EXT_ TUBE FOOT _ TUBE SWITCH HI GAIN FOOTSWITCH FUNCTION ASSIGN MUTE 9 GAIN OUTPUT LEVEL CONTROL Important Set the Output Level Control located in the center of the front panel to 0 7 O Clock 50 e MIX TUBE FET e e HI GAIN CLIP OUTPUT LEVEL SELECT INSTRUMENT INPUT Connect your instrument to the appropriate Input jack Active or Passive If your instrument incorporates a pre amp which uses a battery for power you will probably want to ACTIVE use the Active Input J ack Most other instruments should work well with the Passive Input PASSIVE PAGE 2 VACUUM TUBE CHANNEL ROTARY CONTROLS
12. 1 SWITCH ptit 607101 SWITCH pt 607101 REAR VIEW BASIS M 2000 SEND amp RETURN KNOB pti 408004 pt 618100 pt 7903243 6 pti 618100 BOTH SPKR ptit 608100 ROTARY FUSE 790122 p JACKS pti me KNOB ptit 408004 SWITCH pt 608250 EXTERNAL SELECT SPEAKER OUT SPEAKER EFFECTS LOOP CHANNEL SELECT 12A S B TUBE FET OUT on TUBE Ker CROSSOVER Eis MIX MODE ZO N TUBE ta MMMM 29 9 N N p HIGH mos co HE Toro eee MN SUGGESTED LOAD 4 OHMS 60710 34 DO MINIMUM LOAD 2 OHMS i i A 27S oo lt N lim POT lt N e ing e L milli LS v TUBE X 117 VAC 60Hz 1200VA HI GAIN MODE SPEAKER OUT OUT BALANCED OUTPUT BALAR ED FOOTSWITCH XLR JACK A C RECEPTACLE pt 614028 XLR JACK XLR JACK pt 613713 pt 614028 pt 620414 JACK pt 618100 SWITCH ptit 607101 M Esa BOOGIE T he Spirit of Art in Technology Thank you for trusting MESA Boogie to be your amplifier company We wish you many years of toneful enjoyment from this handbuilt all tube instrument
13. ANNEL OFF HIGAIN A FREQUENCY OUTPUT LEVEL 50Hz 80 180 300 600 12K 4K 6K 8K Simut State PowER 50 34 THRESHOLD MIX FET sO A OFF HI GAIN CLIP FREQUENCY OUTPUT LEVEL M Esa BOOGIE OOOOO GAIN TREBLE MIDDLE BASS MASTER VACUUM TUBE CHANNEL 50Hz 80 180 300 600 12K 4K 6K 8K 50 MESABooGIE MIDDLE BASS MASTER HI GAIN OUTPUT LEVEL GAIN TREBLE VACUUM TUBE CHANNEL Simut STATE Power 09 CLIP OFF SHIFT Favorite M 2000 Sounds a pl IN OUT MIX N MODE 50Hz 80 180 300 600 1 2K 4K 6K 8K Basis M 2000 500000 MIDDLE BASS BASS FREQ OFF MASTER TREBLE FREQUENCY FIELD EFFECT CHANNEL EQIN 50Hz 80 180 300 600 1 2K 4K 6K 8K out MIX MODE BRIGHT BasisM 2000 OOOOQO 9 A MASTER TREBLE MIDDLE BASS BASSFREQ BASS OFF SHIFT FREQUENCY FIELD EFFECT CHANNEL THRESHOLD 31 50Hz 80 180 300 600 1 2K 4K 6K 8K COMPRESSION Basis M 2000 lt 00000 Q5 MASTER TREBLE MIDDLE BASS BASSFREQ BASS OFF SHIFT FIELD EFFECT CHANNEL FREQUENCY EQIN an MIX MODE BRIGHT Bas s 2000 L 00000 50Hz 80 180 300 600 1 2K 4K 6K 8K COMPRESSION Q MASTER TREBLE MIDDLE BASS BASSFREQ BASS OFF SHIFT FIELD EFFECT CHANNEL FREQUENCY UN EQIN an MIX MODE BRIGHT Bas s M 2000 Q HGH 000005 Oo Low 50Hz 80 180 300 600 1 2K 4K 6K 8K COMPRES
14. M ESA BOOGIE BASIS M 2000 OWNER S MANUAL The Spirit of Art in T echnology ENGINEERING 1317 Ross Street Petaluma CA 94954 USA H ello from the T one Farm Congratulations on your choice of the BASIS M 2000 as your amplifier and welcome to the MESA Boogie family As a discriminating player you probably know that you have purchased the most comprehensive instrument for amplifying bass that is available W hat you might not realize is that this entitles you to all the experience resources and commitment our twenty five years of service to musicians world wide has to offer Our responsibility is to help you sound great So if at any time you feel you need help or direction we here for you a phone call away BASIS M 2000 TABLE OF CONTENTS Precautions Overview mie I Description Initial Set Up Connect Speaker Foot Controller Choose Switching Logic Output Level Control Adjusting Listening Level Select Instrument Inputs VACUUM TUBE CHANNEL Set Rotary Tone Controls amp Graphic E Q Setting Mini Toggles Set Compressor Threshold amp Frequency Set Listening Level Set Bright amp Normal Switch 9 Band EQ Compressor FIELD EFFECT CHANNEL Set Rotary Controls amp Graphic E Q Tunable Bass Control Set Mini Toggles Set Compressor Threshold amp Frequency Set Master Control Set Bright Normal Switch 9 Band EQ Compressor Settings Thus Far Mix Mode Select Mix Mode Blend Con
15. NOTE If you wish to use the External Select Jacks to call up a Mode or E Q you must have the Rotary Mode Select Switch located on the right side of the Rear Panel set to the EXT position These External Select Jacks can always be used to select a Mode regardless of the state of any other switching logic This is the A C Mains Fuse for the M 2000 REPLACE ONLY WITH A EXTERNAL SELECT SLO BLO TYPE FUSE OF THE SAME RATING THIS IS EXTREMELY 9A S B LA IA IMPORTANT AS THE M 2000 DRAWS A SUBSTANTIAL AMOUNT OF CURRENT AT Brag HIGH OUTPUT LEVEL SETTINGS wer 250 VOLTS 9 9 FUSE ICE RU BTE AAT NERO AA 117 AN IN CRM BETO All Others 117 vac 1200V8 _ HI GAIN MODE 100 220 230 240 The Euro Style A C cord connector that is supplied with the M 2000 makes set ups and tear downs after the gig a snap It also makes de racking much easier when you wish to remove the unit from a hard wired rack system where all the A C cords have been cut to length Additional heavy duty cords are available should you ever need one simply call us direct and we can ship one directly to you for a nominal charge plus shipping costs Make sure the A C Cord is firmly in its socket receptacle before powering up the unit 9A S B D G D q e 250 VOLTS 117 VAC 60Hz 1200VA HI GAIN MODE SPEAKER OUT Pour x PRO CAUTION NEVER BLOCK AIR VENTS enims 98
16. SION T b MASTER TREBLE MIDDLE BASS BASS FREQ BASS FREQUENCY FIELD EFFECT CHANNEL PAGE 13 Sample Settings Field Effect Channel UL STATE PowER 50Hz 80 180 300 600 1 2K 4K 6K 8K Punch Funk OUT EQIN MIX MODE 4 BRIGHT 50 COMPRESSION ON BASIS M 2000 qo e 9 NORMAL FET HIGH MIX THRESHOLD 3 1 C amp FET k MIDDLE LOW POWER ne OFE MASTER TREBLE BASS BASS FREQ BASS OUTPUT LEVEL FREQUENCY FIELD EFFECT CHANNEL Scooped FET UL STATE POWER 50Hz 80 180 300 600 12K 4K 6K 8K ON Basis M 2000 p FET MIX THRESHOLD A FET cue amp MASTER TREBLE MIDDLE BASS BASS FREQ POWER OUTPUT LEVEL FREQUENCY FIELD EFFECT CHANNEL 50Hz 80 180 300 600 1 2K 4K 6K 8K p COMPRESSION ON Basis M 2000 FET MIX THRESHOLD 3 1 X C3 O Q O FET 96 i MASTER TREBLE MIDDLE BASS BASSFREQ POWER OUTPUT LEVEL FREQUENCY FIELD EFFECT CHANNEL PAGE 14 Sample Settings Vacuum Tube Channel 50Hz 80 180 300 600 1 2K 4K 6K 8K SimuL STATE Pc Fat R amp B ACTIVE EQ IN out MIX MODE Li L LLLLLLLLLLLLLLLLLLLLLLLLLLI INSTRUMENT COMPRESSION 50 INPUTS M Esa BOOGIE e eC 3 1 THRESHOLD NORMAL 5 O MIX GAIN TREBLE MIDDLE BASS MASTER ASSIGN HI VACUUM TUBE CHANNEL FREQUENCY OUTPUT LEVEL PASSIVE Thumb Funk 50Hz 80 180 300 600 12K 4K 6K 8K SIMUL STATE Po ACTIVE OUT MIX MODE
17. SSION You will notice less compression as you pass 12 O clock until there is none at all Now reverse this procedure Play a high note you may have to change the Threshold to maximize the effect for this test and sweep the Frequency control counter clockwise As you pass 12 O clock you will again hear the compression effect lessen This Shelving frequency specific control allows the compression of the low frequencies without affecting the high frequencies and similarly the opposite To compress THRESHOLD b the lows and highs equally set the Frequency control straight up to 12 O clock and adjust the Threshold control accordingly Select the 5 1 ratio position for a much thicker compression ral en S FREQUENCY ei Remember that the Threshold setting is crucial to obtaining a usable musical compression setting Following the same procedure we will run through the Field Effect Channel FIELD EFFECT CHANNEL ROTARY CONTROLS amp GRAPHIC EQ Set the FIELD EFFECT CHANNEL rotary controls and the 9 Band Graphic E Q per this example making sure that the FET channel s MASTER control is set to zero You will notice there is no Gain control in this channel This was done to make room for a different tone control wiring scheme The FET channel s Treble and Mid are wired in the same fashion as that of the Tube channel though they may seem to enhance different frequencies because of the very nature of the FET design The Bass controls
18. TROL unit It uses a locking type jack so that the foot controller ee up ase will not be accidentally removed during a performance Depress the catch on the plug when removing the Ox FOOT foot controller s cable from the amplifier SWTcH HIGAIN gt FOOTSWITCH N FUNCTION ASSIGN RETURN N QN e 0 E MUTE amp GAIN BALANCED OUTPUT FOOTSWITCH 100 M 2000 has an advanced way of dealing with signal processing You may choose not only how much of a given effect you wish to blend with the dry signal but also which frequencies will receive processing The loop is wired in parallel with the direct signal ensuring that your tone stays bold and authoritative Itis comprised of aSEND and a RETURN that appear as a pair of 1 4 inch jacks forming a bridge between the pre amp and power sections of the M 2000 CHANNEL SELECT MODE TUBE FOOT _ _ TUBE SWITCH HI GAIN FOOTSWITCH FUNCTION ASSIGN MUTE 5 GAIN EFFECTS LOOP UBE CROSSOVER ees HIGH FX LOOP AUTO rerun 100 These then fed to the crossover circuit allowing you control of the e o frequencies that you wish to apply signal processing to via the CROSSOVER rotary control To either side and slightly below this rotary control you will see BALAIRE OUTPUT mer LOW and HIGH When this control is swept to the left toward the LOW position the low frequencies will be
19. When the Shift is switched to High you will find this 100Hz overlap at 7 30 all the way down on the Bass Frequency control This difference in Bass controls in the FET channel is crucial to its tighter attack and cut off point characteristics which is an integral part of the FET channels personality making it strikingly different in nature to the Vacuum Tube channel MINI TOGGLES 50Hz 80 180 300 600 1 2K 4K 6K 8K EQIN on MIX MODE Basis M 2000 BRIGHT MASTER TREBLE MIDDLE BASS BASS FREQ Low FIELD EFFECT CHANNEL COMPRESSOR THRESHOLD amp FREQUENCY COMPRESSION 50 COMPRESSION 4 THRESHOLD MIX THRESHOLD TUBE FET 21 1 i OFF HI GAIN CLIP OFF L FREQUENCY OUTPUT LEVEL FREQUENCY MASTER CONTROL Locate the 3 mini toggle switches on the right side of this channel and set to these positions Set the Field Effect Channel Compressors Threshold and Frequency Controls per this example while leaving the Ratio toggle switch in the OFF S down position OFF With your instrument still connected to the appropriate jack SLOWLY bring up the FET channel s MASTER Control to the desired volume Basis M 2000 MASTER TREBLE MIDDLE BASS BASS FREQ FIELD EFFECT CHANNEL PAGE 5 BRIGHT NORMAL SWITCH Again play an open string and activate the Bright Normal switch by selecting the erick up position NORMAL 50Hz 80 180 300 600 1 2K 4K 6K 8K EQIN
20. nprocessed definition SPEAKER OUT The BASIS M 2000 provides two types of Senon L interconnects for powering speaker enclosures XLR and the standard 1 4 inch phono jacks Each of these formats include a e e II pair of jacks that are wired in parallel and which may be used individually or II together to power additional cabinets The recommended speaker load impedance for the M 2000 is 4 Ohms at which the mighty SIMUL II STATE power section is capable of delivering a whopping 625 watts RMS e e II before clip and peaks of over 2000 watts A speaker load of 8 Ohms may also be used and at this impedance though the overall power will be reduced to roughly 300 watts SPEAKER OUT CAUTION NEVER BLOCK AIR VENTS PAGE 11 This section of the Rear Panel as we mentioned earlier while explaining the CHANNEL ASSIGN section is provided to make possible the triggering of the M 2000 Modes from remote switching Sources The six 1 4 inch jacks represent all four Modes of operation and the two channels Graphic Equalizers These functions may be controlled by connecting most any tip to ground type switcher to the appropriate jacks and grounding them This method of Mode selection is provided so that the M 2000 may be easily interfaced to a 250 VOLTS EXTERNAL SELECT TUBE FET gt EQ e UBE MIX system using MIDI Program Change Commands as a switching format T 117 VAC 60Hz 1200VA HIGAIN MODE
21. ode exponentially 50Hz 80 180 300 600 1 2K 4K 6K 8K Simut STATE Power 50Hz 80 180 600 1 2K 4K 6K 8K EQIN Qo MIX MODE Mesa BOOGIE Basis M Now that we ve run through the two channels we are ready to spin the unit around and review the M 2000s Rear Panel IN e MODE PAGE 8 REAR PANEL EXTERNAL SELECT SPEAKER OUT VD EFFECTS LOOP CHANNEL SELECT 12A S B TUBE FET OUT CROSSOVER MIX MODE rw EXT ZEN TUBE MIX FOOT _ TUBE q SEND SWITCH HIGAIN HIGH O Gi Lo w a MIX FOOTSWITCH 250 VOLTS ff N FUNCTION ASSIGN SUGGESTED LOAD 4 OHMS RETURN 600 WATTS RMS my N MUTE 9 GAIN MINIMUM LOAD 2 OHMS 0 F 100 A T AN UBE TUNE T MIX B ER 117 VAC 60Hz 1200VA HI GAIN MODE SPEAKER OUT BALANCED OUTPUT LEVEL OUTPUT FOOTSWITCH Let s start from the right as you are looking at the Rear Panel and go through the features one ata time We are starting from the right because the more frequently used features begin here as you have probably already experienced This rotary control engages the two channels and their Modes of operation CHANNEL SELECT When the M 2000 Foot Controller is not available use this rotary control to PM ee choose the desired mode of operation To use the M 2000 Foot Controller set the CHANNEL SELECT ms Rotary Switch to the Footswitch position The M 2000 may also be controlled via an external switching source
22. out MIX MODE BRIGHT MESA BoociE 00000 MASTER TREBLE MIDDLE BASS BASS FREQ NORMAL FIELD EFFECT CHANNEL EQIN Engage the 9 Band Graphic Equalizer toggle the up position and notice that though they the same controls they react differently because of the FET 50Hz 80 180 300 600 1 2K 4K 6K 8K channel s personality To activate the 9 Band Equalizer via the Footcontroller you must have the front panel 3 position mini toggle switch in the OUT position or in the MIX MODE position There are two of these Switches one per channel located to the right and left respectfully BAsis M 2000 eeeee MASTER TREBLE MIDDLE BASS BASS FREQ When one of the E Q 3 position switches is in the MIX MODE that E Q will automatically be engaged when the MIX MODE is FIELD EFFECT CHANNEL selected Turn on the Compressor by selecting the 3 1 position on the Face Panel of the M 2000 With the Threshold set per the example to the left play a low note and sweep the Frequency control clockwise You will notice less compression as you pass 12 O clock until there is none at all Now reverse this procedure Play a high note you may have to change the Threshold to maximize the effect for this test and sweep the Frequency control counter clockwise As you pass 12 0 clock you will again hear the compression effect lessen This Shelving frequency specific allows the compression of 3 1 THRESHOLD the low f
23. rageous sounds that you will find yourself e exploring for many years The ability to combine two completely separate front end technologies TURE e allows you to custom build the pre amp of your dreams by simply using the MIX Pan Pot OLD MIX THRE y The MIX Mode also makes possible a third footswitchable sound from a two channel layout that HI GAIN CLIP is distinctly different from either channel Now that you have heard one possible way of using NORD 77 the MIX Mode we encourage you to experiment and create some sounds of your own PAGE 7 MIXING A DISTORTION and a CLEAN SOUND Next let s try mixing a distortion or maybe just a Slightly overdriven sound from the VACUUM 50Hz 80 180 TUBE CHANNEL with a tight clean sound from the FIELD EFFECT CHANNEL AK 6K 8K While still in the MIX Mode select the HI GAIN setting of the MIX ASSIGN Switch T out in the TUBE Channel s lower left corner our MIX MODE BRIGHT 50 COMPRESSION BRIGHT TUBE TORK COMPRESSION we Mesa BoociE THRESHOLD MIX 2 2 0 NORMAL GAIN TREBLE MIDDLE BASS MASTER HI GAIN CLIP VACUUM TUBE CHANNEL U FREQUENCY OUTPUT LEVEL FREQUENCY FIELD EFFECT CHANNEL Basis M 2000 YT e MASTER TREBLE MIDDLE BASS BASS FREQ pass NORMAL HI u 97 a Set the controls in both channels to the setting shown in the above illustration For this example we have chosen
24. requencies without affecting the high frequencies and similarly the opposite xI To compress the lows and highs equally set the Frequency control straight up to 12 O clock and OFF adjust the Threshold control accordingly Select the 5 1 ratio position for a much thicker FREQUENCY compression remembering that the Threshold setting is crucial to obtaining a useful musical compression setting PAGE 6 VACUUM TUBE CHANNEL SETTINGS THUS FAR 50Hz 80 180 300 600 1 2K 4K 6K 8K ACTIVE gt EQIN QN J _mxmone BRIGHT H INSTRUMENT COMPRESSION INPUT NPUTS ami M ESA BOOGIE HI GAIN w NORMAL e PASSIVE GAIN TREBLE MIDDLE BASS MASTER 2 ASSIGN VACUUM TUBE CHANNEL _ HHHH COMPRESSION Basis M 2000 lt e o T i MASTER TREBLE MIDDLE BASS BASSFREQ POWER FREQUENCY FIELD EFFECT CHANNEL elope seem Engage the MIX Mode by triggering the MIX switch on the M 2000 Foot Control panel If foot controller is not available use the rotary switch on the right side of the Rear Panel and select the MIX CHANNEL SELECT position FET MIX MODE EXT TUBE FOOT _ TUBE SWITCH HI GAIN MIX MODE BLEND CONTROL While playing a note on an open string sweep the MIX Control from the center Equal Blend of Tube and FET to the left 100 Tube and to the right 100 FET Between comer these three positions lie a myriad of unique and out
25. s well as allowing you to engage it automatically in any of the three Modes when they are called up with either the CHANNEL SELECT Rotary Control or the FOOT CONTROLLER A great way to check out the power of this advanced loop is to try this simple exercise 1 Connect your favorite signal processor to the SEND and RETURN Input to SEND Output to RETURN May we humbly suggest a chorus program as these seem to be great for the purpose of this exercise 2 Set the signal processor s Dry Wet Blend to 100 Wet 3 Sweep the CROSSOVER control to approximately 3 00 this will allow mostly high frequencies to be processed 4 Use the FX LOOP AUTO assign rotary to activate the loop in the Mode that you wish to play in 5 While playing an open string slowly increase the FX LOOP MIX control until you reach the desired dry wet blend Right away you should be able to appreciate the fact that while you have chorus or whatever effect you choose on top of your sound you have not lost the punch and authority that is so often sacrificed when using effects especially less expensive units that dont incorporate high quality operational amplifiers in their mixer and output stages Atthis time you may also want to sweep the CROSSOVER control over to 9 00 to experience the same test passing mostly low frequencies through the loop While quite different and interesting we think most players will want to process their highs keeping the bottom end tight with u
26. ssive force in handling control buttons switches and controls e Remove the power plug from the AC mains socket if the unit is to be stored for an extended period of time e Do not use solvents such as benzene or paint thinner to clean the unit Wipe off the exterior with soft cloth YOUR AMPLIFIER IS LOUD EXPOSURE TO HIGH SOUND VOLUMES MAY CAUSE PERMANENT HEARING DAMAGE No user serviceable parts inside Refer service to qualified personnel Always unplug AC power before removing chassis EXPORT MODELS Always insure that unit is wired for proper voltage Make certain grounding conforms with local standards READ AND FOLLOW INSTRUCTIONS OF PROPER USAGE OVERVIEW For ease of understanding the M 2000 and to reduce the intimidation factor that one might experience upon first glance it should be noted that the unit may be digested one channel at a time The only shared controls on the entire front panel are the MIX control and the Output Level control Thinking of the M 2000 as two completely separate pre amplifiers sharing one common power section may help you to understand it at a faster rate 50Hz 80 180 300 600 1 2K 4K 6K 8K 50Hz 80 180 300 600 1 2K 4K 6K 8K ACTIVE o A EQ IN EQIN OUT A m m Mesa Boosie wE e Basis M 2000 HI GAIN TUBE FET 0008 2 9 9999990 NORMAL TUBE FET PASSIVE GAIN TREBLE MIDDLE BASS MASTERS I OFF 2 e OFF MASTER TREBLE MIDDLE
27. the primary ones that receive processing PAGE 10 EFFECTS LOOP Continued When panned hard left EFFECTS LOOP CHANNEL SELECT i 1 00 mostly lows will FET CROSSOVER FET MODE pass this junction When the rotary control is swept toward SEND O EXT ZS TUBE OFF MODE FOOT _ TUBE HIGH the crossover will allow more of the upper harmonic RR no uen HI GAIN range to receive processing Panned hard right 5 00 mostly FX LOOP AUTO MIX lim FOOTSWITCH highs will be present in the loop s signal path With the RETURN WY FUNTON Assien 100 CROSSOVER control set straight up 12 00 the whole range of frequencies GAIN lows and highs pass equally through the EFFECTS LOOP The MIX Control lets you decide how much of the frequency specific affected signal you O o e o wish to blend with the dry unaffected signal Panned hard left 0 removes all the wet signal from the mix Panned hard right 100 allows only BANE OUTBUT EODTSWITGH the wet signal to pass the MIX Control In general its always a good idea to set up your signal processor with its mix control at 10096 wet and then slowly raise the M 2000 s FX LOOP MIX Control until you reach the desired blend This scheme preserves the integrity of the attack and punch characteristics the M 2000 is capable of delivering when no processing is being used Finally the FX LOOP AUTO ASSIGN rotary control activates the loop a
28. trol Mixing A Distortion amp Clean Sound Graphic E Q Mix Assign 1389 Description Channel Select Footswitch Function Assign Balanced Output Balanced Level Footswitch Control Effects Loop Speaker Out External Select Fuse A C Receptacle Sample Settings Personal Field Effect Ch and Vacuum Tube Ch Parts Sheet Page 1 go f O c N N N O CO O o0 OC Oi 9 amp 10 9 10 amp 11 11 amp 12 12 13 14 15 16 Your MESA Boogie Amplifier is a profesional instrument Please treat it with respect and operate it properly USE COMMON SENSE AND ALWAYS OBSERVE THESE PRECAUTIONS e Do not expose amplifier to moisture rain or water direct sunlight or extremely high temperatures e Always insure that amplifier is properly grounded e Always unplug AC power cord before changing fuse or any tubes e When replacing fuse use only same type and rating e Avoid direct contact with heated tubes e Insure adequate air circulation behind amplifier e Keep amplifier away from children e Be sure to connect to an AC power supply that meets the power Supply specifications listed on the rear of the unit e f there is any danger of lightning occurring nearby remove the power plug from the wall socket in advance e To avoid damaging your speakers and other playback equipment turn off the power of all related equipment before making the connections e Do not use exce
29. ve plenty of low frequency suoi ican power of their own and don t always need the added shaping that is happening FOOTSWITCH on the stage FUNCTION ASSIGN e e GAIN The BALANCED LEVEL control enables you to match the optimum levels required by most mixing consoles It is always good practice to zero out the 9 bee Be level on the M 2000 before connecting it to a console justin case the channel at the console was last used for a weak signal and is set to extremes BALAN ED ONER NOTE Itis NOT necessary to connect speaker load to the 2000 when using the BALANCED OUTPUT for recording or live use No damage to the amplifier will occur from having no load connected Simply turn the OUTPUT LEVEL located in the center bottom portion of the Front Panel to 7 00 this would be the Off position for this control In certain situations a hum or buzz may occur when using the direct BALANCED OUTPUT This occurs due to different references impedance to ground between the M 2000 and the console If this occurs you may want to lift the M 2000 ground path by either using an XLR Ground Lift Adapter or by simply making a cable with the grounds disconnected You might also try a simple A C Ground Lift 3 to 2 adapter on the M 2000 s power cord just to make sure the noise that you are experiencing is not A C Ground related FOOTSWITCH CONTROL This 6 pin XLR jack accepts and powers the M 2000 FOOT CHANNEL SELECT CON
30. which any blend of the two may be created The Tube Channel offers the choice of a normal low gain mode operation and an all tube Hi Gain overdrive mode for wilder applications Each of these pre amps offers the full array of rotary style tone controls producing a rich warm blend fast Each Channel may then be further customized by engaging its own nine band graphic equalizer These channel specific EQ s may be triggered in three ways 1 Via the front panel s mini toggle switch 2 Via the foot controller and 3 Programmed to engage in the Mix Mode automatically Both EQ s as well as the modes can be triggered remotely by using most tip to ground switches such as the kind found on many Master Rack Control systems These ports appear as 1 4 inch jacks found on the rear panel in the External Select section Each channel also houses a Frequency Activated shelving type Compressor that can be bypassed or applied in 3 1 and 5 1 ratios The M 2000 is fitted with a parallel effects loop with a crossover enabling frequency specific effect placement as well as a dry wet blend control This loop may be assigned to auto engage in any or all of the modes as well as bypassed This crossover can also be used to send a pre amp signal of a selected frequency to another power amplifier for bi amping A Balanced Output with pre and post EQ positions and a level control is provided for recording or live sound reinforcement applications An output for a Tuner is included
Download Pdf Manuals
Related Search