Synth Site: Yamaha: CS-40M: User reviews Add review
Average rating: 4.6 out of 5
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Analogue Crazy a part-time user from UK writes:
Now i have had my CS-40M for a while im posting this comparison to do the instroment justice. I really hate it when people compare this synth to the CS-30, its an unfair comparison as they are NOTHING alike. The smaller 'black' CS monosynths have a very different sound to the more classy 'wooden' ones. The 'black' CS monosynths are a lot thinner sounding and IMO sound more modern. The 'wooden' CS monosynths on the other hand are quiet fat sounding and are a bit brighter in tone. Stacked up against the CS-30 the CS-40M has its pluses and its minuses. Its a lot fatter than the CS-30, twice as fat to be exact, and this is to do with the extra VCO's. Remember - in unison mode the CS-40M has 4 VCO's per voice! The CS-40M also has 2 shine wave sub-oscillators bypassing the VCF. This means that when you are getting those classic CS 'buzzy' sounds in HP and BP modes, you can still have enormous power behind those 'thin' sounds. This is one of the things that puts the CS-40M way above the CS-30. The Ring-Mod on the CS-40M is the same one as on the 50/60/80 and is probebly the best ever made. It can be sent to the EG-VCO for the classic CS-80 sound which is yet to be surpassed. You also can control the LFO rate from this EG and sweep the pitch of those big VCO's. PW can be sent there too. IT HAS MEMORY!! This is the thing that the CS-30 really need. Its great to have memory because like the CS-30, the CS-40M is VERY complex and not at all easy to use. On the downside, the CS-40M does not have the 8-step sequencer. It also only has 2 Envelopes (3 including the EG-VCO) compaired to the CS-30's 3. Its also a lot bigger and heavier but the control pannel is very layed out. So how do you choose between the CS-30 and CS-40M? here is how:

Go for the CS-30 if: # You like the sound of the 5/10/15. # You love to use simple analogue sequencers. # You make dance music

Go for the CS-40M if: # You like 'fat' sounding synths. # If you like the 50/60/80 but don't have room for them. # If you like Vangelis. # If you like working with analogue sequencers.

I hope this comparison helped. This should give you an idea what the CS-40M is all about.

Rating: 5 out of 5 posted Friday-Sep-07-2007 at 10:26
Analogue Crazy a part-time user from UK writes:
This is one of the finest synthesizers out there. It is full of features and has a massive sound. There are 2 classic CS VCO's on the front pannel with independant controls but 4 are available in unison. The overall sound is so rich and can be harsh or soft. I find that the CS-40M is one of the best synths for leads. The pitch and mod wheels add pleanty expression to your playing. The basses are unbelivable. Be careful not to blow your speakers. The ring mod is awsome. Overall, i think the CS-40M is very hard to beat. It offers so much power and has loads of modulation routings for those wierd sounds. has memory!

Rating: 5 out of 5 posted Tuesday-Jul-17-2007 at 12:09
Spock a part-time user from U.K writes:
Sounds Great! Looks Great! It will sit well in any mix. Maybe thats why Vangelis used one. So if you are thinking about buying one, just buy it; you will not regret your choice. A truly professional instrument for serious knob-tweakers.

Rating: 5 out of 5 posted Monday-Jun-20-2005 at 18:12
Bosse a part-time user from Sweden writes:
This is a kick ass synth. At first the memory system feels a little strange, but after a while you realize that the CS40m is a hands-on dream. Truth be told I spend more time in front of this baby then I do in front of my Prophet 5. Sure, you can't use the ringmodulator for anything except effects and sometimes the unstable tuning gets to you, but the porta/gliss effects alone makes up for that... not to mention what you can do with a quick turn of the brilliance wheel.

Rating: 5 out of 5 posted Tuesday-Jun-07-2005 at 08:21
neven dayvid a professional user from berlin writes:
nice but very special sound, not for everyone i guess. not as flexible as a cs-30, but that can be an advantage when tweaking it live. great for experimental music. only problem is, it´s huge and takes up a LOT of space for its features... Aftertouch would be nice, and a pitch on the polyphonic cs-60 / 80. its sound is a wee bit cleaner than those machines, but that´s a very subtle difference. overall, the cs-30 is a better machine.

Rating: 4 out of 5 posted Thursday-May-19-2005 at 05:10
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