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1. O a LIN MAD bus 1 04 EXTSRD INDEX O Patch Concept FM Pings Q e e 28 9 OO Q PR ly N E SLADE FANNY O JE O ANNE A un a a 510 0 0 a oe O Ar un gete 06 ale OOo Variation In order to dynamically control the FM Pings first set up the patch as described above Remove the cable from the LxD CH 1 OUTput and apply a slow Envelope from MATHS or FUNCTION or any positively moving Control Voltage to LxD s CH 2 Control INput Finally patch the LxD s CH 2 OUTput to the STO s FM INput instead of the CH 1 OUTput used before This will further shape the Amplitude of the the FM Source as it as being applied to the STO s Linear FM INput2. Limited WARRANTY Make Noise warrants this product to be free of defects in materials or construction for a period of one year from the date of purchase proof of purchase invoice required Malfunction resulting from wrong power supply voltages backwards or reversed eurorack bus board cable connection abuse of the product or any other causes determined by Make Noise to be the fault of the user are not covered by this warranty and normal service rates will apply During the warranty period any defective products will be repaired or replaced atthe option of Make Noise on a return to Make Noise basis with the customer paying the transit cost to Make Noise Please contact technical makenoisemusic com for Return To Manufacturer Authorization Make Noise implies and accepts no responsibility for harm to person or apparatus caused through operation of this product Please contact technical makenoisemusic com with any questions needs amp comments otherwise go MAKE NOISE http www makenoisemusic com A INSTALLATION Electrocution hazard Always turn the Eurorack case off and unplug the power cord before plugging or un plugging any Eurorack bus board connection cable cable Do not touch any electrical terminals when attaching any Eurorack bus board cable The Make Noise LxD is an electronic music module requiring 30 mA of 12VDC and 30 mA of 12VDC regulated voltages and a properly formatted distribution receptacle to opera
3. not unlike a struck drum piano string or xylophone bar Two Unique Channels CH 1 As a VCF CH 1 is a mildly resonant Low Pass filter circuit accentuating frequencies at and around the cutoff frequency which is determined by the Control Voltage level at the CH 1 Control INput As a VCA CH 1 has a faster Attack and Decay response than CH 2 however it is still slower than the typical synthesizer VCF or VCA Like CH 2 it has a smooth natural sounding response to modulation CH 2 As a VCF CH 2 is a very mild non resonant Low Pass filter circuit acting to gently reveal or hide the sharper edges of a sound This characteristic also adds to the ringing effect As the amplitude of the sound decays there is a simultaneous loss in high frequency content that is similar to the natural loss of energy in idio and membranophonic instruments As a VCA LxD CH 2 has a moderate Attack response and slow Decay response meaning that it turns on quickly but takes a while to shut off yielding a smooth natural sounding Decay to almost any sound processed dynamically TYFILAL USEL Low Pass Gates such as the LxD are typically used to process audio signals The LxD excels at processing harmonically rich sounds Patch your audio signal e g STO Variable Shape OUTput DPO Square OUTput to the Signal INput of CH1 Next patch a Control Voltage such as an Envelope or LFO e g CH 1 or 4 MATHS FUNCTION Non Inverting OUTput with Cyc
4. ade popular by many monosynths of the 1970 s Folks have often described the sound of a Low Pass Gate as ringing While the LxD circuits are not actually ringing that term does describe many of the sounds possible when using a LPG such as the LxD in order to process complex harmonically rich signals generated through Frequency Modulation or Ring Modulation FEKLFELTIVE The LxD being a vactrol based circuit will never have the speed or tight tolerances found in many other VCA and VCF circuits would recommend that musicians desiring closely matched gain across multiple channels of VCAs look elsewhere If you seek to program extremely short sounds clicks pops or ticks the LxD is not the best choice What the LxD does offer is extremely low noise and low distortion in a smooth natural sounding circuit MAKENACE i LxD Panel Controls 1 Signal IN CH 1 Direct coupled signal input for the 12db Octave LPG circuit capable of accepting audio or control signals Range of up to 15Vpp 2 Control Signal IN CH 1 Direct coupled highly sensitive CV input for the corresponding channel s vactrol gate Range OV 8V 3 STRIKE IN CH 1 Gate INput for striking pinging or plucking the vactrol gate Expects 8V to 10V Gate or Clock signal 4 Signal OUT CH 1 Direct coupled output of the signal applied to the input as processed by the 12db Octave low pass gate circuit 10Vpp depending upon settings and source material Norm
5. alled to Signal IN CH 2 5 Signal IN CH 2 Direct coupled signal input for the 6db Octave LPG circuit capable of accepting audio or control signals Range of up to 15Vpp 6 Control Signal IN CH 2 Direct coupled highly sensitive CV input for the corresponding channel s vactrol gate Range OV 8V 7 STRIKE IN CH 2 Gate input for striking pinging or plucking the vactrol gate Expects 8V to 10V Gate or Clock signal 8 Signal OUT CH 2 Direct coupled output of the signal applied to the input as processed by the 6db Octave low pass gate circuit 10Vpp depending upon settings and source material GETTING STARTED It s a VCA It s a VCF The Low Pass Gate operates simultaneously in the amplitude and frequency domains As the Control Signal becomes more positive the Amplitude of the Processed Signal increases the low frequencies being more quickly amplified than high frequencies As the Control Signal become less positive the Amplitude decreases with the high frequencies being attenuated much sooner than the low frequencies The net effect is that in fast transient modulation of the Processed Signal s Amplitude the low frequencies will be more pronounced lurking in the spectrum while the high frequencies are eagerly diminished A fast short envelope Control Signal of around 8V will provide a beautiful example of the LxD s ability to produce acoustic like Attack and Decay transients The processed signal will seem to ring
6. le engaged to the Control INput of CH 1 Then patch the CH 1 Signal OUT to your monitoring system and listen to the results Experiment with changing the Timbre of the Audio Signal you are processing e g adjust the STO s Variable Shape Control patch DPO SAW or FINAL OUTput instead of Square and adjust FREQuency and the rate of the Control Signal patched to the Control Signal INput Now patch a Clock signal e g Wogglebug Clock OUT MATHS FUNCTION EOR or EOC OUT to the LxD CH 1 STRIKE INput Observe the sound Remove the signal patched to LxD CH 1 Control Signal INput Observe the sound Setup this same patch but instead using CH 2 Note the differences in the result Now try patching a Square Wave from your VCO e g STO SUB OUTput DPO Square OUTput to LxD CH 1 Signal INput Patch an LFO e g CH 1 or 4 of MATHS Non Inverting OUTput from FUNCTION with CYCLE engaged to LxD CH 1 Control INput Patch a faster Square LFO or CLOCK signal e g Wogglebug Clock OUTput MATHS or FUNCTION EOR or EOC OUT put to LxD CH 2 STRIKE INput Patch LxD CH 2 Signal OUTput to your monitoring system Listen to the results of the classic VCF into VCA signal path performed here utilizing Low Pass Gates TIPS AND TRICKS If utilizing the LxD in a sequencing patch the STRIKE INput may act as an ACCENT parameter Patch an attenuated Envelope signal e g from MATHS Channel 1 Signal OUTput with the Attenuvertor set to about 2 o clock to the Control INp
7. te It must be properly installed into a Eurorack format modular synthesizer system case Go to http www makenoisemusic com systems shtml for examples of Eurorack Systems and Cases To install find 4HP in your Eurorack synthesizer case confirm proper installation of included eurorack bus board connector cable on backside of module see picture below plug the bus board connector cable into the Eurorack style bus board minding the polarity so that the RED stripe on the cable is oriented to the NEGATIVE 12 Volt line on both the module and the bus board On the Make Noise 6U or 3U Busboard the negative 12 Volt line is indicated by the white stripe Please refer to your case manufacturers specifications for location of the negative supply AVEKV EW The LxD is a dual response two channel direct coupled Low Pass Gate which utilizes two vactrols in order to provide simultaneous control over the Amplitude and Frequency content of an INput Signal It is in essence a VCFA Voltage Controlled Filter Amplifier Unlike the Optomix and some other dual Low Pass Gates the LxD offers two different filter responses The top channel CH 1 offers a 12db Octave response that is mildly resonant while the bottom channel CH 2 offers a 6db Octave that is non resonant The OUTput of CH 1 is normalled to the INput of CH 2 Utilizing this normalization puts the two channels in series which is similar to the classic VCF into VCA arrangement m
8. ut Apply an Accent GATE signal to the STRIKE INput Steps where the Accent Gate is Triggered will be LOUD Set up a Dynamic FM patch using one of the LxD s CH OUTputs to control the FM INDEX on the DPO Rather than applying an Envelope to CV the Control INput just apply a Gate to the LxD s Strike INput This is a great technique to add a burst of modulation and works with any signal source e g LFO Random Voltage Noise etc patched to the LxD s CH Signal INputs Use LxD to process Control Voltages Anywhere you desire a variable Modulation Index patch the Modulation Source to be processed to either of the LxD s Signal Inputs and patch the Control Signal that will determine the Modulation Index to the LxD s appropriate Control Signal INput Finally patch the LxD Signal OUTput from the corresponding channel to your Modulation Destination Patch Concept The New Bongo a PERMAN 00 OOOO 0 ONONO
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