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Sonic LAB: Review New Korg Monotrons

More mini synths for Christmas.. 09-Dec-11
Monotrons reviewed 10:6 mins
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The success of the original Korg Monotron -  the single voice analog synth in a kind of mini Stylophone format clearly spurred Korg on to expand the range. As we know Korg has been doing well with its continuing miniaturization program. I can visualize some kind of secret room where they keep  the shrinking ray gun to aim at various Korg products that are not yet small enough to be called mini, or micro or mono, or perhaps not...
 
The fact is that we now have the Monotron Duo - a two VCO mini synth, and the Monotron DELAY - a single VCO with built-in analog delay.

They still have the same form factor with the unplayable ribbon keyboard, but the DUO now has added keyboard quantize modes, via a red button on the back - cycling though chromatic, major scale, minor scale and free modes - a great improvement for playing anything meaningful.

DUO
This now features two VCO’s - these can be used in two modes, single VCO, where the second performs as an LFO for some high-speed XMOD (they say that this is akin to the MonoPoly XMOD, but I cant really hear it), and VCO 1+2 mode - this allows you to tune the second VCO to an interval,either above or below the VCO 1 pitch.
The DUO still has the same resonant MS20-styled filter (just the Low Pass part) which really does scream when the resonance is dialled in.



DELAY
This is a bit different to the original Monotron, in that it features a single VCO, low pass filter with no resonance, an LFO with TRIANGLE and SQUARE waves and an analog style delay.
First up, the keyboard bears no relation to actual pitch, making actually playing it nigh on impossible. But when you bring the delay and modulation into play you start to see what its for - mad, sci-fi like effects, which it does extremely well.
The delay is really crusty, with a delay time of around 40ms to 750ms (I’m guessing) the feedback goes off into uncontrollable distorted regeneration without too much encouragement and really sounds cheap - I mean that in a good way.
The filter is applied post delay so everything gets treated. LFO wave shapes can also be tweaked with a small micro screw on the back of the unit to dial through SAW down, TRIANGLE and SAW up. Applying the saem to the SQUARE wave moves through full PW shapes.

Both Monotrons feature an AUX in which in the case of the DUO means you can filter external sources, and in the DELAY, apply the delay effect and the filter.

Patch And Stockings
I took the liberty of opening both of these up and Korg has helpfully provided labelled patch points on the circuit board, and no doubt will release the schematics to encourage some mods.
I imagine some bright spark will hook these up in a most ingenious way so that we can all benefit from if we care to break out the soldering iron. Would be nice to get CV and gate in and out for hooking up to a modular system though.

Bottom line, these are fun and will probably sell by the bucketload. They are affordable analog synths, I still find it astonishing that a manufacturer as big as Korg are actually making something like this.
True, they are built cheaply and not designed for life on the road or serious album work, but they are a lot of fun.

Monotron DUO and DELAY available now
£41.99 / $70 each

 

More From: Korg






19 Comments...  Post a comment    original story
Mattsynth    Said...

The big question is; Are these instruments or toys? With there limitations and lack of a decent keyboard I myself consider them a toy. Midi input would of solved one of these problems. They are even packaged like a toy. I believe the sound will become boring very fast and there are already lots of these on eBay because of that fact. I think you are better off saving your money for a real instrument that will inspire you for many many years. Let me know your thoughts, I am very interested in what other musicians think about these boxes.

09-Dec-11 09:15 AM


Nick B    Said...

Hey matt, yes I think these do come under the impulse purchase category for some, however there are LOADs of people out there who've never got their hands on any kind of analog device and this may just get them interested.

09-Dec-11 09:19 AM


Rob Willson.    Said...

Bread and Butter for Korg, Stops the credit crunch nibbling away at the big fat bottom end.

09-Dec-11 09:35 AM


Richard    Said...

Absolutely love that crusty delay. Nick one thing I was wondering, with the original monotron there seems to be quite a lot of noise when using the Ext input, has the amp section been improved on these newer editions at all to eliminate this do you think?

09-Dec-11 10:21 AM


Richard    Said...

Absolutely love that crusty delay. Nick one thing I was wondering, with the original monotron there seems to be quite a lot of noise when using the Ext input, has the amp section been improved on these newer editions at all to eliminate this do you think?

09-Dec-11 10:21 AM


Nick B    Said...

Hey Richard, the answer is no not especially.

09-Dec-11 10:23 AM


tim lloydsmith    Said...

Monotribe plus guitar delay pedal nicer - esp as now with version 2 update - much cleaner output. Cute though & somebody somewhere will make an album with them sooner or later. (probably Brett Domino)

09-Dec-11 10:45 AM


I pads cant cure cancer    Said...

A great product, that makes those with I pads look like #unts. A real instrument, a real oscilator, ten times better, ten times more value. Well done Korg. PS KORG make a tb 303 clone for under a ton!!!

09-Dec-11 01:32 PM


Ian Page-Echols    Said...

Can't wait to play around with these things! Can anyone with the first Monotron tell those of us who never tried one if that one is still worth getting compared to these two, or is it somewhat replaced by maybe the Duo?

09-Dec-11 03:29 PM


Koshdukai    Said...

...with a real keyboard and... oh wait, erm... with a real MIDI input? nope... not true either.

It's a cool analog tone generating TOY :)

...or a device ready to be stripped out of the plastic casing and integrated as part of a bigger modular system just like another fancy module, IMHO.

09-Dec-11 03:49 PM


dv    Said...

I've seen them get converted to module format, so it's pretty cool that you can get them as a starting point and then convert them.

10-Dec-11 03:36 PM


EMwhite    Said...

Thanks Nick. You said "Modeled Filter", do you mean not the exact MS20 filter but still Analog and 2 pole?

Also, wondering about how delay is implemented, can you post a view of the topside of the Delay board? Is there a low-cost BBD chip onboard? 750 ms. is generous but I suppose it's clocked slow/lo-fi.

Interesting still comma very.

10-Dec-11 11:48 PM


I pad? Is thta a feminie hygene product?A bad name.    Said...

It is a very worrying trend that sonic state is actually reviewing a 'hardware device' considering their funding must be coming from apple given their . IPAD this , APP that . What is the world coming to when Apple is missed out of a review and not even referenced. Steve Jobs was Jesus, he will be turning in his grave to see sonic state , disrespecting him in and the product followers ,in this brazen way. Shame on sonic state.

11-Dec-11 04:34 AM


FRB    Said...

Sonic State: Selling Software and toys ? No thanks. I am a musician, not a retarded impulsive buyer. Sorry for potential interested pepole in this rapid boring products.

11-Dec-11 07:17 AM


Nick B    Said...

Answers: I would get the DUO if you are thinking of a Monotron - the first one is fun sure, but its not very playable.

Modeled filter - I think its analog modeled. I would be surprised if they actually had the exact same circuitry in there

Last two - I wish Apple did pay us, but sadly your conspiracy theories are as ever, misplaced. iPads and APPs are very popular, we are a news and review site and so reflect the market.

13-Dec-11 06:53 AM


Alex Juno    Said...

Hey Nick, we opened up the machines and had a peak inside, it's not a modelled or VA filter on any of the monotribes or monotrons, but real analogue, it's 99% the same components of the original MS20 filter. That's why it screams at high resonance.

The delay part of the monotron delay is however digitally modelled, but that's the only digital thing about either of these.

Let's hope they sell well and korg will make one with a keyboard later this year, how about something they could add to the micro line? the micromono or something :)

15-Dec-11 08:29 AM


dan    Said...

sweetwater's got 'em on sale for 49.99, free shipping. no. brainer.

16-Dec-11 01:14 AM


   Said...

'Analog modeled' usually implies that it's made with DSP's. These are real analog devices, except the delay, which IS modelled, is it not?

BTW, in the toys vs. instruments debate... They are both. They are toys, and instruments, like the old speak n' spell, or the Casio keyboards many of us started with.

One thing to remember is that they do have an input to the filter, and it can be modulated... so that's pretty cool.

In the end, I don't know how important the question is. If it's fun and you can make cool sounds with it, you could find a way to put it into your music. I wouldn't compare my original Monotron with my Voyager, but they're both analog and fun, that's for sure!

14-Jan-12 04:29 PM


Destinite    Said...

With regards to the toy/instrument comment(s), I think it's about time that tired argument got put to rest. With talent and a good idea, you can make good music with anything.

The delay isn't even an INSTRUMENT, per se. As was said in the review, it's more of a space-age FX deal. I picked the delay up last night and have spent hours just tweaking around with it. I could definitely see using some of the sounds I get out of it as some background ambience in one of my tracks.

04-Mar-12 12:35 AM


Post a comment 
49 comments | Watch Video on Youtube |

Dan Marino 25-May-12 02:49 PM

This is just a toy for analog enthusiasts and circuit benders. Nothing wrong with that, everyone needs toys, but this isn't for me.


TheodoreChell 24-May-12 06:53 AM

I bought one, and I have a lot of static noise on the headphones output. I use it to play with on the train, it's fun and you can get some fat bases out of it, if very delicatly tweaked. So to me, it's a really good toy. If I want to make some "descent" music, I'll play with my Tempest.


newplasticidea 20-May-12 02:13 PM

I wish they would release an modern SB-100.


maqster 19-May-12 08:49 PM

im 100% behind korgs mission


hojdog 18-May-12 08:33 PM

You can modify them


MrKeys57 16-May-12 01:11 AM

You make very good reviews of Korg product´s! thank´s! - Levi


SoundAverse 11-May-12 05:17 PM

not sure what market korg are aiming at, without any midi,usb they are really a wee toy for either a young child or a skint flint adult who likes making a racket.


chaparganju 08-May-12 04:02 AM

you are the words of my thoughts.


pokedude2005 07-May-12 01:28 PM

3:12 Hunchback KKK?


therealquade 02-May-12 05:12 AM

I Know its a bit late, but is the 'x-mod' basically FM?


voracious32 01-May-12 09:12 PM

I won't be able to afford a real analog synth for quite a while, nor would it really be a good investment as far as music making is concerned compared to a software and midi controller combo, but I might grab one of the duos in a few months so that I have some experience with analog.


infesticon 28-Apr-12 02:05 AM

I don't think it's to much to ask from an instrument to be able to actully play it. Just saying!


THkaas 27-Apr-12 06:27 PM

at least it's got quantizing now, also midi/cv converters aren't exactly the cheapest components


mynameisnotcory 25-Apr-12 03:44 AM

I just want an OP-1 sized synth that doesnt cost 800 some dollars! 100 dollars would be suitable! this monotron is a little too simple...


sweeterthananything 25-Apr-12 03:08 AM

I think the issue is that "hardcore synth types" have been asking the major manufacturers to put out some real analog gear since I got into it 17 years ago. In the meantime a cottage industry of boutique designers met some of that demand but not much on the affordable side, and when Korg finally got around to it, it's one that requires hacking the hell out of just to get it functioning integrated with an existing synth setup.


vierge99 24-Apr-12 08:05 PM

I love the arms people take up when you bash 'analog' gear. This product is terrible. The ribbon controller isn't even a gimmick, it's cost-savings. And people line up to buy these things. Granted they sound okay if you know what you're doing but that doesn't warrant the price.


tomfurstyfield 23-Apr-12 09:55 PM

the duo is the best of the lot you can get some really beefy sounds out of it.


zwerty007 21-Apr-12 02:42 AM

Some of those are destroyed...


zwerty007 21-Apr-12 02:38 AM

Midi in would make no sense for a Delay, as it's mainly for effects.


zwerty007 21-Apr-12 02:36 AM

I think the Monotrons and MS-20 have some of the best filters I've heard.


ministeroftuba 21-Apr-12 02:16 AM

The monos are designed to be hackable. They have released documents how to make it midi compatible


lordoid 16-Apr-12 11:01 AM

If you can hold a soldering iron you can do it by yourself. No fancy mod. Just install a few cables and jacks. Everything is printed on the main board.


elefantkaputt 15-Apr-12 07:33 PM

+ cv and gate ins and we might get serious here


hpl138 15-Apr-12 06:26 PM

Most of the complaints are just not appropriate. If you're a hardcore synth type, unless you want something fun to carry around with you then it's not for you. It's a toy to a hardcore synth fan. If you're someone like me who is mainly into other instruments then this is a great thing to have, especially if you're poor ($50). For the complainers, Korg has plenty of other more high end products for you to buy as you know. The ribbon is fine, geez.


eisb0r 14-Apr-12 04:17 PM

Oh my gosh! 9:00 These are some awful soldering joints! That's just poor :/


StevismMusic 13-Apr-12 09:42 PM

I actually really like the Delay version, I feel like it has a lot of possibilities.

Too bad it doesn't have 1/4 jacks.


hairychris444 12-Apr-12 10:50 AM

Best 50 quid spent in ages: FM3 Buddha Machine v2 -> Monotron Delay

The audio in feature of the Korg is fantastic.


danielwstirrat 11-Apr-12 10:40 PM

You misunderstand the point of a review.


link2x101 11-Apr-12 01:42 AM

Part of the monotrons is the ability to modify it quite easily, so in theory it wouldn't take a whole lot to convert it to midi in


RAMALAMA2001 09-Apr-12 10:42 PM

My old man was a Farfisa fan sounds dull but he will be spinning in his grave at the fact he's not around to have tinker about with these fellas..


BertisWorldYT 07-Apr-12 08:16 AM

oh yeah that would work, you mean the claviature would be 12 buttons that would as well be midi controllable. what you can do is you can have a device that makes pure triangle or square wave sounds and put them in the input.


UltimaWeapon9339 07-Apr-12 04:08 AM

It would still have analog oscillators and filters. It would just be controllable via midi.


BertisWorldYT 06-Apr-12 10:23 PM

midi would mean it wouldn't be analogue


zwerty007 06-Apr-12 03:42 AM

I say they have just fuse all three and have a midi in instead of ribbon (or both)


gabriel1989tanger 05-Apr-12 07:00 PM

old school 


DopestDope111 05-Apr-12 03:12 PM

Great review! Thanks


hpl138 05-Apr-12 02:39 AM

Excellent review, I was quite happy with the original monotron and trying to decide on adding the duo or delay, now I know what I need. Thanks!


Theotim92 01-Apr-12 02:39 PM

To me that's only toys. Korg should concentrate on making real analog synthesizer, such as DSI, Moog or MFB do.


ievissa 30-Mar-12 02:07 PM

salut a tous venez visitez ma page clique sur IEVISSA ciao !


WesleySmall77 28-Mar-12 10:02 AM

Thank you my English brother, greetings from Canada. Just want to know what monitors you have on your desk?


thanatas 25-Mar-12 09:48 AM

You Talk Too much in your rewiews


fawkinjoocy 25-Mar-12 09:35 AM

i'm new to this sort of thing and thought i'd get something cheap like this. Am i the only one who lit up with a stupid smile on my face at the sound of this, getting one! :D


savagesanity 24-Mar-12 02:58 PM

These are really neat looking. I was considering just a normal Monotron, but I might get one of these instead now. One question though: what is the MIDI stuff everyone is talking about? What would that do for the Monotron if a MIDI input was added? Thanks!


mouthbreather1 23-Mar-12 03:17 PM

The Delay looks pretty great. I'm tempted to get one to complement (or replace) the Monotron currently velcro'd on my guitar.


CalumPMSmith 22-Mar-12 11:46 PM

Yes, it would. It'd need to be powered, however.


DrummingMonkey13 22-Mar-12 02:14 AM

Would it be possible to plug a mic into the input of these?


Realsun 19-Mar-12 12:13 PM

One of the big selling points is that you can take it everywhere. So I'm not seeing myself takin a midi controller and stuff in the train just to play around with it.


Benjy3634 18-Mar-12 07:28 PM

I've actually seen some impressive stuff made with the original. All you have to do is use a stylus and you're golden.


felipesancho 15-Mar-12 01:27 PM

I guess korg hasn't released a "miditron" just because right now at this price and size they can't offer a stable pitch, which they think would be frustrating to most users......not me as i already have other digi synths that play concert pitch! Hope korg is working on a "miditron" right now. In the meantime i really want to get my hands on these two! 


 
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