Yamaha CS70M?

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Yamaha CS70M?

Postby zoomtheline » Tue Jul 08, 2014 9:48 pm

I have always been interested in this synth but you don't see it come up very often for sale or mentioned much for that matter. Maybe it's always in the shadow of the 60 and 80.
I think I'm interested in getting one, I love the sound of my sk50d and feel that while it's nowhere near as deep as the cs70, I think it gives a glimpse of the tone and yamaha sound.
I have no idea what they are worth or what they go for. I'm in the UK so if anyone here can give any ideas or if they have one they might be interested in selling or trading?
Poly's I could trade in some way or another are jupiter 4, crumar stratus and the sk50d. All these have small or a few issues but can be sorted or swapped as is if the person can do it themselves.
Let's see what comes of this ha.
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Re: Yamaha CS70M?

Postby ppg_wavecomputer » Tue Jul 08, 2014 10:54 pm

If you don´t expect it to sound exactly like a CS80/60/50, I think it´s an okay-ish polysynth. Quite unlike the rest of the bunch -- which may be one of its biggest assets now. Not sure it´s worth the asking price, though, but, of course, it´s "vintage", "like CS80", "rare" etc. which goes to justify almost anything these days, I reckon.

Bear in mind it might be a tad difficult to fix if something goes wrong.

Stephen
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Re: Yamaha CS70M?

Postby zoomtheline » Tue Jul 08, 2014 11:37 pm

Yeah I know it's not going to sound like the 60, 80 etc. that's not the sound I'm after, and to be honest they are way out of my reach price wise if I did take a fancy to them. The 70m sounds dark and solemn, almost morbid compared, and I like that.
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Re: Yamaha CS70M?

Postby Algorithm » Wed Jul 09, 2014 1:02 am

last 1 that I saw sell sold for right around $1650.00. It was broken. Probably an easy repair though.
Ive seen a few this year.
Is it trash or treasure?
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Re: Yamaha CS70M?

Postby ppg_wavecomputer » Wed Jul 09, 2014 10:52 am

Algorithm wrote: [...] Probably an easy repair though. [...]


Not so sure about this... lots of custom ICs inside, and -- even though it´s been simplified and nowhere near as complex as a CS80 inside -- full of inherent problems due to complexity.

I think I´d only buy a broken one to gut it for spare parts.

Stephen
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Re: Yamaha CS70M?

Postby zoomtheline » Wed Jul 09, 2014 11:48 am

This does not hold hope for a longterm workhorse ha.
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Re: Yamaha CS70M?

Postby synthparts » Wed Jul 09, 2014 1:15 pm

Working 70Ms in good shape have been in the $3500-4000 range from what I've seen. I have one along with a 50 and 60 and I like the 70M a lot better.

The big deal with it is it has the dual-voice/patch-layering setup like the CS80 although 12 voices instead of 16. It even has some advantages over the 80 like auto-tune, unison mode, all patch memories user storable, split mode allowing 4 patches to be played at once, improved triple-BBD chrorus, and all voice cards plug in with connectors and can be removed for much easier tuning/servicing. It also seems much more reliable and stays in tune a lot better than my 50 or 60...
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Re: Yamaha CS70M?

Postby zoomtheline » Wed Jul 09, 2014 1:27 pm

That gives me a little bit of an idea. Cheers man.
Just need to finally get around to sorting my JP4 out and weigh up which one I prefer.

Any other input absolutely welcome, especially from UK and if you have one to sell?
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Re: Yamaha CS70M?

Postby ppg_wavecomputer » Wed Jul 09, 2014 2:08 pm

synthparts wrote: [...] The big deal with it is it has the dual-voice/patch-layering setup like the CS80 although 12 voices instead of 16. [...]


Just to be precise, the 70 is six-voice polyphonic and the 80 is eight-voice polyphonic. They both have twice the amount of voiceboards for layering patches (or "Channels", as they call it).

3,500 to 4,000 US$ seems to be the average going rate. Not sure whether this is an adequate price though.

Stephen
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Re: Yamaha CS70M?

Postby Algorithm » Wed Jul 09, 2014 8:13 pm

ppg_wavecomputer wrote:Not so sure about this... lots of custom ICs inside, and -- even though it´s been simplified and nowhere near as complex as a CS80 inside -- full of inherent problems due to complexity.

I think I´d only buy a broken one to gut it for spare parts.

Stephen


You could be right... Hard to say without seeing it! (laughs)
It is a gamble though.
My experience with cs-yamahas though?
I imagine it would not have been too bad..
Of course, might have been a different story in person.

I know of a problem that effects yamahas of the cs series.
I was pretty sure that is what was wrong with the 1 mentioned broken.
If it was, it would have been too easy.
Makes me wish I had more money. (((:
Is it trash or treasure?
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Re: Yamaha CS70M?

Postby scottrod » Sun Oct 26, 2014 11:35 pm

I've been keeping an eye out for one for years and have seen several come and go, but they always seem to be beat up.

Rusty, missing parts, battle-scarred, etc. There was that one on eBay for a long time last year (2013), overpriced and spray-painted black on the wood parts with a rusty panel. Another with a giant dent in the main panel. Another rusty one from Japan.

I like to find gear in as near mint as I can, but it appears the only ones making the rounds these days are the leftovers. Guess the collectors already have the good ones; they were rare even back in the day.
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Re: Yamaha CS70M?

Postby V301H » Mon Oct 27, 2014 6:50 am

As with most Yamaha gear of the era the CS70M is an extremely well-built and reliable Synth. The controls have a solid, quality feel you would expect of a high-end Synth targeted at the professional market. The front panel function set is pretty much identical to the CS80 except there is only one set of controls that toggle between the two channels. Yamaha CS-series Synths have a unique dual single-VCO architecture and this - though lacking the weighted velocity keyboard/polyphonic aftertouch/pitch ribbon of the CS80 - is the most advanced in some ways with programmability and keyboard split function. While it doesn't sound identical to a CS80 it is still a big-sounding Synth and is about a third the weight at a somewhat more manageable 85 lbs. The high prices these usually sell for reflect their scarcity and vintage collector's status as well as it's kinship to the much more expensive CS80. You probably wouldn't want to get one of these as your first analog PolySynth but if you have the finances and opportunity to purchase a CS70M it could make a unique addition to a serious Synth arsenal.
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