the DOWNGRADE

analog sample rate reducer - version 2.3

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out of production

 

 ::: DESCRIPTION :::::::::::::::::::::::::::::::::::::::::::::::::::::

 

this is NOT a clone. it is 100% my design

the first downgrade was partially cloned with bugbrand's permission. only 10 were made

 

this is a sample rate reducer, which is the analog counterpart of the digital bitcrusher. this is achieved with a very tailored sample and hold circuit and the resulting effect is also often compared to ring modulation at certain settings, but the DG is capable of much more then that

the new version of the downgrade has been completely redesigned, and it is now 100% analog and 100% original. i've also added a couple of new features, each of which are described in detail below, but you can just ignore all that and listen to the samples

 ::: UPDATES :::::::::::::::::::::::::::::::::::::::::::::::::::::

for the v2.3 i've cleaned up the pre amp a little bit, changed knobs again and moved a few things around inside to keep nice and clean in there. nothing really that significant and i don’t plan on making anymore updates - photo soon

there have been a few changes with v2.2, the switches and knobs are different, the CV / EXP toggle is on the back between the IN and CV jack. the input level led was removed so i could do some things inside, but the violet leds i was sent this time look more like blue to me, sorry. the option to use the reducer itself to process DC control voltage signals like you would audio has been removed by default, but if you want it restored just let me know before i ship it, but what this means is that it will no longer pop at times when bypassing it, which some people didn't like. you can of course still control the rate with external CV

i'll be putting together a proper PDF manual one of these days, i promise

 

clearing up some downgrade confusion.... hopefully?


 :::::::::::::::::::: MANUAL ::::::::::::::::::::

 ::: CONTROLS :::::::::::::::::::::::::::::::::::::::::::::::::::::::::

I/:  this is the input gain, which is in phase, has little or no frequency loss, and a ridiculous amount of gain ( over 200x ) so you can plug low level or passive devices directly into it with no need for an extra pre-amp. at its lowest setting it simply acts as a buffer, there is no input attenuation. like all of my devices its been designed to accept all synth, line level and instrument level inputs sources with no impedance issues so feel free to plug your synths and sound cards directly into it without the need for any stepdown. note: at the highest setting there will be some self oscillation and noise so if oddly pitched noise or cleanliness is a concern simply don't use the highest setting - i should point out that this is just a feature for the noise makers out there. normal use will never require you to run the pre that hard.

disrupt:  this is the new distortion control, at high levels it will completely squarewave the input signal by itself. also at high settings the distortion is so strong the reducer will seem to have little or no effect so be careful. note: at the highest setting there will be some self oscillation and noise so if oddly pitched noise or cleanliness is a concern simply don't use the highest setting - i should point out that this is just a feature for the noise makers out there. normal use will never require you to run the distortion that hard.

downgrade:  this gives you control over the rate reduction (clock). it controls the speed that the sample and hold is triggered. this is the heart of the pedal and setting it to the desired position will determine the max sweep range for the EXP pedal / CV input when its in use.

dissect:  this is a new feature that you won't find anywhere else. but its hard to explain if you don't fully understand how reducers / sample and holds work. to put it simply, it gives you control over how long the sample of the sample and hold is. from the very short length used to make the reducer effect, to a wide squarewave used for a normal sample and hold. the samples and videos should explain further. what this does is allow you to use the downgrade in far more applications because you can now adjust the amount of the source sound that comes through the reduction process. also if you flip the descend switch and increase the range that the reducer can travel, what used to be rather worthless in the lower setting can now be slowly swept into a big chunky sample and hold similar a squarewave tremolo except that the sound that comes through is now a sample and its staggered in time. so if its hooked up in parallel with other effects you can achieve very interesting results. also being as how this can be put under voltage control you can use it as a modulating chopper/ stutter effect

\O:  this the output volume control.

dialup:  this allows you to switch on an internal feedback / self oscillation bend that lets you use the DG as a fucked up bass heavy synth. nearly every control has a different effect on the result so you will have to play around with it yourself. the CV input will give you control over the pitch but its not perfect. its really just intended more for special effects or noise making. when feeding the DG a source that is really loud, like a synth for example, you may need to turn it down at the source a little to not overpower the feedback or it may just work more like a 50/50 wetness control.

descend:  this is a reduction range extender which allows you to choose between the higher range of the reducer giving you more precise control over the downgrade and dissect settings, or the full wide range that will allow you to achieve the slow blocky sample and hold / tremolo effects.

LEDs:  this is a clock rate indicator used to tell you the speed you are running at. at higher speeds it will just seem to stay solid but when you flip the descend toggle and you start running at slower speeds it will pulse in time. i did this to help make it easier for you to sync up the rate with an outside tempo. for example to sync up the DG with a drum loop, which you will probably do quite often. it will also pulse along with an CV signal you send it. there is no real power indicator so you will have to pay attention to whether or not its on or you can waste batteries

bypass switch:  this is a heavy duty true bypass / power stomp switch

9V wall jack:  this is a 9 volt 2.1mm center negative power input so you can run it off of any standard 9v wall wart. the DG only consumes about 6ma at the most so just about any will work. there is reverse polarity and over voltage protection to keep you from destroying it. you can feed it anything up to about 15vDC and be fine

single 9v battery clip:  the new DG now only requires one 9 volt battery and only 6ma at most. so it will run for approximately 100 hours or 4 days solid on a standard alkaline battery.

input jack:  the mono input is on the right side and marked with a triangle pointing into the box. there is also over voltage protection here as well - the ring shunts to ground

expression / CV pedal input:  there is now an expression pedal / control voltage input that gives you external control over the downgrade / rate reduction. upon plugging in an EXP pedal or control voltage the downgrade knob becomes the range limiter and turning it adjusts how much the sweep of the EXP pedal or CV will effect the reduction, but the range of the sweep is somewhat limited, only giving you about 50% of the normal knob range. there is a switch on the back to choose between CV and EXP pedal, when facing the front - left is EXP, right is CV

audio output jack:  the audio output is on the left side and marked with a triangle pointing away from the box - the ring shunts to ground

WARNING:  although i don't see it happening i just want to formally say i am not responsible for damage to other equipment. use common sense

 

 ::: SAMPLES ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

these samples are not overly exciting i guess. i just tried to cover the full range of each control. they usually start off with a clean sound then adjusting the distortion up and down, then sweeping the downgrade knob down and then opening up the dissect a notch and sweeping up, then turning the dissect another notch and sweeping down again, over and over so you can see how the dissect feature start to take bigger samples, changing the reduction sound and you can hear more of the source with each sweep. then hitting the descend toggle and working the dissect and downgrade sweeps backwards, then just fucking around towards the end of each. hopefully this helps you make sense of it all

::: SAMPLE-A ::: SAMPLE-B :::
this is a polysix with an arp running
::: SAMPLE :::
some casio drums, at no time did i alter the tempo. that is the DG at lower settings with the dissect open, yes it works as a crude analog beat slicer too
::: SAMPLE-A ::: SAMPLE-B :::
more polysix arp
::: SAMPLE :::
guitar with the CV input being fed by an lfo
::: SAMPLE :::
i don't play guitar, just hitting one string
::: SAMPLE-A ::: SAMPLE-B :::

this is just a kick drum pattern, again no tempo or pattern changes

::: SAMPLE :::
just flipping through random kicks with the above pattern to see how each one is effected
::: SAMPLE :::
just one held bass note on a casio, everything else is the DG
::: SAMPLE-A ::: SAMPLE-B :::
this is the DG used as a standalone synth
::: SAMPLE :::
a shaker box

standard disclaimer:  these samples are just me hitting record and messing around in an attempt the show you the full range of options with no musical intent whatsoever. they are all from one single pass, some i cut in half for size. no effects or editing were used at all so some volumes are a little quite in places. people that make samples that have been smashed with compression or are smeared with reverb or delay are fucking morons that are trying to hide or exaggerate their results. as usual with any sample not labeled as being made by someone other then myself you can feel free to use these in your own work.

 

 ::: VIDEOS :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

 

the downgrade using just a held key saw wave from a polysix.

 

the downgrade being fed some simple drums from an ES-1

 

 

an arp from a polysix with an expression pedal on the floor sweeping back and forth while i adjust the downgrade and dissect knobs

 

 

the downgrade being fed some simple drums from an ES-1

 

 

the downgrade with no input at all, flipped into self oscillation mode with the dialup toggle and then fed a control voltage tri-wave

 

 ::: DETAILS :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

each one is handmade - and numbered internally

extensively tested before shipping
single 9V battery operation with holder ( battery included )
2.1mm 9vDC wall jack ( center negative )
current required for operation - 6ma - around 100 hours on a single battery
professionally manufactured PCB
aluminum enclosure - dimensions - 4.7 in. x 3.7 in.
case is painted, baked and lacquer coated to make it more scratch resistant
graphics are waterproof vinyl decals coated with lacquer for extra protection
heavy duty metal EH bypass switch ( true bypass )
violet clock rate led ( sometimes blue )

one ¼”input jack ( mono ) - one ¼”output jack ( mono ) - one ¼”expression pedal input jack 

3 year warranty - covering both parts and labor

 

the downgrade was originally inspired by the work of tom bugs

 

please feel free to contact me if you have any questions or visit the forum here

 

this is what the version 2.2 looked like - only 16 were made

 

 

this is what the version 2.1 looked like, and it was capable of processing DC voltage.

only 16 were made

 

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