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Average Price: $11,000

High-end/Boutique

$500

$1501+

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Standard

High-end

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Description

Introducing the Yamaha CS-70M, an iconic synthesizer that adds depth and character to any musical piece. Its unique 6-voice polyphony and powerful 12 VCOs per voice make it a musician's dream. This synth offers a robust sound palette, thanks to its 2 LFOs, 12 VCFs, and 12 VCAs. The 61-key keyboard with aftertouch delivers a responsive and expressive playing experience that can truly bring your music to life.

Key Features:

  • 6-voice polyphonic architecture for lush, layered sounds
  • 12 Voltage-Controlled Oscillators (VCOs) per voice for rich tonal variety
  • 2 Low-Frequency Oscillators (LFOs) for added depth and modulation
  • 12 Voltage-Controlled Filters (VCFs) and 12 Voltage-Controlled Amplifiers (VCAs) for shaping and controlling your sound
  • 61-key keyboard with aftertouch for expressive playing.

Product specs

Brand Yamaha
Model CS-70M Polyphonic Synthesizers
Finish Black
Year 1981 - 1984
Made In Japan
Categories Analog Synths, Keyboard Synths
Analog / Digital Analog
Key Size Full Size
Keyboard Action Synth Action
Number of Keys 61 Keys
Polyphony 6 Voices

FAQs

Is the Yamaha CS-70M synthesizer polyphonic or monophonic?

The Yamaha CS-70M is a polyphonic synthesizer, capable of playing up to six voices simultaneously.

What type of synthesis does the Yamaha CS-70M use?

The Yamaha CS-70M uses analog subtractive synthesis, which is known for its warm and rich sound characteristics.

How many keys does the Yamaha CS-70M have, and what is the key action like?

The Yamaha CS-70M features 61 full-size keys with a synth action, providing a responsive and smooth playing experience.

What are some standout features of the Yamaha CS-70M's sound engine?

The Yamaha CS-70M offers a dual-channel architecture with separate VCFs and VCAs for each channel, allowing for complex sound layering and modulation possibilities.

Is the Yamaha CS-70M suitable for live performances?

Yes, the Yamaha CS-70M is suitable for live performances, thanks to its robust build, expressive controls, and the ability to store and recall patches quickly.

Alex Natsis (analogshinse)

Alex Natsis (analogshinse)

Yamaha CS 70M high quality audio

Video thumbnail for Yamaha CS 70M high quality audio by Alex Natsis (analogshinse)

Yamaha CS 70M high quality audio

Alex Natsis (analogshinse)

Alex Natsis (analogshinse)

Video thumbnail for YAMAHA CS-70M analog synthesizer - Sounds & patches 【SYNTH DEMO】 by synth4ever

YAMAHA CS-70M analog synthesizer - Sounds & patches 【SYNTH DEMO】

synth4ever

synth4ever

Video thumbnail for Every way the CS70M is BETTER than the Yamaha CS-80! by Vulture Culture

Every way the CS70M is BETTER than the Yamaha CS-80!

Vulture Culture

Vulture Culture

Video thumbnail for YAMAHA CS-70M + CS-60 SYNTH DEMO ~ Vintage Synthesizer Museum by once upon a synth

YAMAHA CS-70M + CS-60 SYNTH DEMO ~ Vintage Synthesizer Museum

once upon a synth

once upon a synth

Video thumbnail for The Yamaha CS80 VS. CS70M - An Exploration of Two LEGENDS! by Vintage Synthesizer Solutions

The Yamaha CS80 VS. CS70M - An Exploration of Two LEGENDS!

Vintage Synthesizer Solutions

Vintage Synthesizer Solutions

Video thumbnail for Yamaha CS70m demo by Nader Sharif

Yamaha CS70m demo

Nader Sharif

Nader Sharif

Video thumbnail for Yamaha CS70M: Live Deep Dive of the Most Advanced Analog Synth Yamaha Ever Made! by Vulture Culture

Yamaha CS70M: Live Deep Dive of the Most Advanced Analog Synth Yamaha Ever Made!

Vulture Culture

Vulture Culture

Video thumbnail for Yamaha CS70m - review and deep dive by K’s Music Lounge

Yamaha CS70m - review and deep dive

K’s Music Lounge

K’s Music Lounge

Video thumbnail for Yamaha CS-70m Dreams by Vintage Synthesizer Museum

Yamaha CS-70m Dreams

Vintage Synthesizer Museum

Vintage Synthesizer Museum

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Yamaha CS-70M.

Comparisons

  • The Deckard's Dream, inspired by the CS-80, offers a similar experience to the CS-70M, being more affordable and portable than the CS-80.

    Source
  • CS-M series filters are preferred by some for their unique sweeping capabilities and aftertouch, offering a distinct sound compared to the standard CS series.

    Source

Features and functionality

  • The CS-70M has a 6-voice polyphony with sawtooth and square waves, selectable filters, and dual ADSR envelopes for sound and amplitude shaping.

    Source
  • The synth includes a poly sequencer and a magnetic card reader for expanded patch memory, adding to its versatility.

    Source

Software and compatibility

  • TAL u-no-LX, a Juno 6 emulation, replicates the CS-70M's core sound architecture, although it lacks a distinct filter envelope but includes a stereo chorus effect.

    Source

Setup and maintenance

  • Stack two instances of u-no-LX to independently pitch oscillators for stereo effects, mimicking the CS-70M's capabilities.

    Source
  • The voice cards in the CS-70M allow for easier troubleshooting with an extensive service manual aiding in isolating issues.

    Source
  • Corroded batteries can cause failures in the card reader, highlighting the importance of regular maintenance checks.

    Source

Use cases and applications

  • The Yamaha An1x is noted for its trance sound capabilities and has been used extensively by Boards of Canada.

    Source

Build quality

  • The CS-70M contains numerous custom Yamaha ICs, making repairs challenging due to the rarity of these parts.

    Source

User experience

  • Owners have noted the synth's substantial weight, though it remains lighter than the CS-80.

    Source

Value and pricing

  • Prices for a CS-70M range significantly, with one listed at 13,000€ and another as low as 5,000€, reflecting its rarity and desirability.

    Source

Critic Reviews

Yamaha CS-70m | Vintage Synth Explorer

vintagesynth.com

The Yamaha CS-70M is a polyphonic powerhouse with a lush analog sound, perfect for fans of Jean-Michel Jarre or Tangerine Dream. While it boasts a robust 6-voice polyphony, dual oscillators, and a versatile sequencer, the preset sounds are underwhelming. However, its hands-on editing capabilities more than compensate, making it a dream for synth enthusiasts. Great for studio use, but its size limits portability.

positive

4.5 out of 5

Based on 1 Review and 3 Ratings

5 star
4 star
3 star
2 star
1 star
nick_monk

Superb

A big old analog poly monster. Cs80 territory. Big lush pads, crazy stabs and more. A powerful synth often overlooked due to its older sibling.

Artist usage

Add artist
See how Boards of Canada uses Yamaha CS-70M

Boards of Canada

Music Producer

...
Verified via Photo

In the original album description provided by Boards of Canada's label (Warp Records) the Yamaha CS-70M is mentioned as their "trademark" synth.

via Bleep

See how Junkie XL uses Yamaha CS-70M

Junkie XL

Composer, Music Producer

Tiësto vs. Junkie XL

...
Verified via reverb.com

"Then I did this other project last year which was a documentary for Red Bull. It's called Distance Between Dreams with Ian Walsh, the star surfer. That was a very soft, ambient electronic score. I did everything live with MIDI and just mixed it on the board and that was the end result. I used the Jupiter-8 for that, the Jupiter-6, the Juno-6 with the sequencer, the MSQ, the Roland 60, the 106, also the GB4, Roland VP-03, the vocoder. I used a Roland S-770 sampler, which has a really great tone to it. A couple of Yamaha synthesizers, the CS-60, the CS-70M—all pretty rare machines to have. But for that kind of stuff they sound so fantastic."

See how Floating Points uses Yamaha CS-70M

Floating Points

Music Producer, DJ

A Pulse Train

...
Verified via YouTube

Noted in his new album and you can see it in his studio at the beggining of this video

See how Minoru Mukaiya uses Yamaha CS-70M

Minoru Mukaiya

Keyboardist

Casiopea

...
Verified via YouTube

Mukaiya uses the CS-70M (seen to his right at 0:42, and Mukaiya can be seen playing it at 0:59) to play the main melody in this video. It can be seen in many of Casiopea's early 80s concert videos, and is listed as being used on some of their studio albums.

See how Bill Nelson uses Yamaha CS-70M

Bill Nelson

Guitarist, Music Producer

Bill Nelson’s Red Noise

...
Verified via Billnelson

Bill mentions his use of synths and more. "I soon added other synths, including a Solina String Machine and a Yamaha CS70M. I also was an early adopter of drum machine technology and synth-guitars. (I had one of the first Hagstrom Patch 2000 synth-guitars which I used on the 'Drastic Plastic' album.)"

See how Philippe Zdar uses Yamaha CS-70M

Philippe Zdar

Composer, Music Producer

Cassius

...
Verified via YouTube

In this video you can see Philippe Zdar showing a Yamaha CS-70 Synth

See how Benge uses Yamaha CS-70M

Benge

Keyboardist

Wrangler

...
Verified via YouTube

"...The item can be seen 22:08 into this video..."

See how Greg Ham uses Yamaha CS-70M

Greg Ham

Singer, Keyboardist

Men at Work

...
Verified via YouTube

Greg Ham used a Yamaha CS-70M for live shows in 1982, as seen at 20:20 in this video.

See how Wojtek Olszak uses Yamaha CS-70M

Wojtek Olszak

Keyboardist, Music Producer

Woobie Doobie

...
Verified via Olszak

The instrument appears on the list of instruments on official artist's website (http://olszak.pl/).

See how Yoad Nevo uses Yamaha CS-70M

Yoad Nevo

Guitarist, Bassist

...
Verified via YouTube

Spotted at 0:35 in the Yoad Nevo studio tour with Sonic State.

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Yamaha CS-70M, it is most commonly used with the following gear.

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1
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Yamaha CP-80 Electric Grand Piano Vintage & Electric Pianos
1
Roland U-110
Roland U-110 Synthesizers & Sound Modules
1

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