User Manual - hexinverter.net
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1. The Mutant Hot Glue Thank you for your interest in the Mutant Hot Glue MHG eurorack module We would like to thank you for considering a place for the MHG in your modular synthesizer We hope you find it as useful as we do GLUING THINGS TOGETHER Having previously developed the limited edition batteryACID distortion compressor module for the I Dream of Wires modular synthesizer documentary we were getting a lot of customer requests to produce more of them after the limited stock ran out batteryACID is a voltage controlled distortion which is coupled to a great sounding but really easy to use analog compressor We wanted to bring something to the eurorack modular realm that would provide similar utility but be a different module altogether The Mutant Hot Glue is the result of our venture It combines a handy four channel mixer with effects send and return together with a voltage controlled distortion and analog compressor The distortion makes the signal HOT and the compressor GLUE s your mix together Get the joke Ha ha FEATURES 4 Channel Mixer with Effects Send e 4 input channels each with their own level and effects send control e Channel A mixer bypass switch and dedicated output for easy sidechain compression e Channel B is dual input but shares level send controls for dual output modules like the Mutant Hihats e Channel C D summed output e Main mixer output normalized to compressor input Hi Fidelity Analog Compre2. asily use mixer IN A as a sidechain source with the following steps e Plug the signal you want to use to sidechain your mix into the IN A input eg a bassdrum e Patch OUT A to the SIDECHAIN input e Switch IN A s toggle switch to COMP OUT to bypass the mixer output and sum channel A directly at the COMP output e For good results try a very high RATIO turn up the BLEND and turn your THRESHOLD down slowly while listening to the output to hear the pumping take effect You will see the gain reduction LED light up as your sidechain signal source activates the compressor You will probably want to adjust your compressor settings to match the signal strength you are using Try adding some distortion to your mix while applying heavy sidechain pumping While applying some dramatic sidechain to your mix turn up the RETURN and DISTORTION controls about half way making sure that the distortion s BLEND control is also turned to WET Now bring in some SEND for each mix element you want to add distortion to Don t be afraid to try it on the signal you are using as a sidechain source It can get pretty crazy 04 24 2015 Mutant Hot Glue user manual v1 05 PG4 HEXINVERTER ELECTRONICS INC 2015 CHANGING THE COMPRESSOR RESPONSE SPEED In order to make the compressor in the Mutant Hot Glue high quality yet economic enough to fit our price point we had to settle with a fixed attack release ratio for the circuit As you may or may not have noticed th
3. cts in series with the built in DISTORTION this way or replace the distortion entirely INPUTS RETURN DISTORTION a 04 24 2015 Mutant Hot Glue user manual v1 05 PG2 HEXINVERTER ELECTRONICS INC 2015 THE MIXER INTERFACE LEVEL CONTROLS Each LEVEL control can attenuate the input signal QS t present or allow the input signal to pass at OdB As Mutant Hot Glue 4 eurorack signals can get quite high in volume you may es zs LEVEL need to dial them down to work with lower level i gt Q Q Q signals from other sources e py es GAIN ji BLEND IN OUT A SEND SEND O ke This input can easily be used as the compressor sidechain signal source if desired So plug your bassdrum or other source to be used as a sidechain g o RETURN s RETURN LVL channel A is blended into the MIX output as C normal When switched to COMP OUT however ok i eid gh pia here if you plan to use sidechain dynamics Otherwise channel A bypasses the MIX output and gets A oo oh summed at the COMP output jack This can be o g g o i i i IN B2 su 26dBu 1 THRESHOLD RATIO OG DIOOD BLEND SEND always present at OUT A MIX OUT Use the switch below IN A s controls to toggle between IN A s routing When set to MIX OUT it is just a regular input IN A s attenuated signal is useful for sidechain dynamics when you don t want your sidechain source going into the comp
4. ere is a jumper on the back of the module that lets you change this speed setting should you not enjoy the versatile MED medium setting which is useful for the majority of dynamics effects To change the setting move the jumper on the back of the module while it s powered off to the jumper setting displayed on the legend on the back of the module SLOW 220ms attack release MEDIUM 45ms attack release FAST 2ms attack release 04 24 2015 Mutant Hot Glue user manual v1 05 PG5 HEXINVERTER ELECTRONICS INC 2015
5. ou find you are getting too little or too much distortion you may need to adjust it to your taste To calibrate the maximum distortion follow these steps e Insert an audio signal into the distortion input a low pass resonant filtered bassline is a good Oo benchmark j e Turnthe BLEND control completely up fully distorted 3 o Turn the DISTORTION control to maximum bistoRTION BLEND o Adjust the trim screw while listening to the signal You are now adjusting the maximum a A distortion possible on the signal Please note that the trim pot used can turn upwards of 12 a ola times so if you re not hearing any change keep turning or switch directions until you perceive change THE COMPRESSOR INTERFACE BLEND CONTROL Adjust the wet dry mix of the compressor from completely dry to fully compressed with this control THRESHOLD RATIO CONTROLS The THRESHOLD adjusts the amplitude of signal which the compressor begins to react at and the RATIO adjusts the amount of compression applied to the signal when it kicks in GAIN Turn this control up to add make up gain to the compressor This control is capable of adding an overwhelming amount of gain to the signal SIDECHAIN INPUT Plug a signal into the AC coupled SIDECHAIN input to modulate the compressor with a specific audio signal Doing so breaks the normalized connection derived from the compressor input signal SIDECHAIN COMPRESSION The Mutant Hot Glue allows you to e
6. ressor with the rest of the mix Q scxrwerrer NET IN B IN B2 IN B and IN B2 share a common LEVEL control This dual input is handy for using with modules like the Mutant Hihats which has two audio outputs IN C IN D C D IN C and IN D are regular mixer inputs The C D output sums IN C and IN D together for sending elsewhere in your system if desired SEND CONTROLS Adjusts the level of each channel sent out of the SEND output to the effects loop SEND RETURN Outputs signal to a maximum of OdB unity gain RETURN LVL Adjusts the volume of the external effects coming back into the mixer Plug your effect chain s output into this jack or use it like a 5 input jack for the mixer and add another signal into the mix THE DISTORTION INTERFACE DISTORTION CONTROL DIST CV INPUT The control adjusts the amount of distortion and the CV input will modulate the distortion from clean to fully distorted with an CV signal of a little less than 5 volts The purple LED beside the distortion jacks lights up as distortion occurs BLEND CONTROL Adjust the DISTORTION wet dry blend with this control 04 24 2015 Mutant Hot Glue user manual v1 05 PG3 HEXINVERTER ELECTRONICS INC 2015 ADJUSTING THE DISTORTION LIMIT There is a trim screw on the front of the panel so you can adjust the maximum amount of distortion to your taste From the factory it is set to a fairly high value that should be suitable for most signals but if y
7. rmalized to the effects send or like every other part of the module broken out and used elsewhere in your modular system By default the 4 channel mixer s output conveniently feeds into the compressor s input giving access to easy New York style parallel compression by way of the compressor blend control The dedicated output and mixer bypass switch for channel A allow you to use it as a sidechain source for the compressor An effects send and return allow you to create complex effects routings within your modular system With the number of excellent DSP and other effects modules on the market today this makes it easy to combine modules to great effect all within the eurorack modular domain Below is a diagram of the basic signal flow and normalizing in the Mutant Hot Glue We haven t shown every input and output here for clarity s sake Just the ones that we feel would be most confusing to understand The main points to take away from this diagram are e MIX OUT normalizes to the COMPRESSOR input until you plug a signal into the compressor input e CHANNEL A can be switched to go to the COMP OUT jack instead of MIX OUT e By plugging a signal into the SIDECHAIN input the compressor is driven by that sidechain signal instead of the signal coming in to the compressor during normal compression e The DISTORTION normalizes to the effects SEND and RETURN by default until you plug jacks in and break the signal flow You can easily add external effe
8. ssor e Soft knee compressor based on the same family of premium audio ICs used in some 500 Series studio gear e Dedicated threshold and compression ratio controls e Gain control dials in up to 40dB of compressor make up gain e Compressor sidechain input for creating pumping effects e LED indicator actively displays the amount of compressor gain reduction Voltage Controlled Analog Distortion e Aclassic distortion topology reborn for modular analog synthesizers and drum processing e In Outputs are conveniently normalized to the module s send and return jacks e Blend control lets you adjust the mix of distorted and clean input signal e Fast responding CV input allows for complex modulation patterns and even modulating with audio signals TECHNICAL SPECIFICATIONS Width 24HP Depth 30mm Current draw 70mA 70mA 12V 04 24 2015 Mutant Hot Glue user manual v1 05 PG1 HEXINVERTER ELECTRONICS INC 2015 THE HOT GLUE ARCHITECTURE The Mutant Hot Glue is a versatile bus mixer for analog effects chain design The included analog compressor offers series or parallel compression and a sidechain input making it particularly well suited to drum processing The voltage controlled distortion is based on ideas borrowed from the guitar pedals responsible for a lot of yesterday s acid style techno sounds but improved over the guitar equivalents and made specifically for synthesizer and drum processing The distortion can be used in its default position no
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