Yamaha CS01 and MR10 - Analog single oscillator keyboard and drum machine

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In this episode I take a look at the Yamaha CS10, a little analog single-oscillator synthesizer, that resembles a toy keyboard. I also show the Yamaha MR10 drum machine.

[@JupiterMaroon]

"Okay lets add some decay" *adds release*

[@Architector_4]

I'm laughing too hard right now.

[@darrynkilpatrick4244]

Jupiter Maroon j

[@johnrickard8512]

LOL IKR XD

[@computethis7128]

I thought something was up when he did that, I just didn't completely catch on what he said

[@flashbang9832]

I was pritty much crying at that point

[@PauloOliveira-uq1yk]

5:44 It's because there's a zero missing. It's a Yamaha YM10150D, Key Code Tone Generator. It's a hybrid between analog and digital. The "base" signal is digital, and the modifications are based in analog circuits.

[@AshBashVids]

In that case, more like a DCO?

[@frankstrawnation]

Ora, ora, um brasileiro aqui.

[@RoboBoddicker]

Mister Shledge No, a DCO is an analog oscillator - it just uses a digital clock to control its frequency. The CS01's chip generates a digital waveform based on what key you press, then that waveform gets converted to an analog wave and run through the other analog components (filter, LFO, etc.).

[@lenny02112]

I have a Yamaha Dsr 2000 from 1989 an it has the same chip in it...I didn't know what this is so thank you

[@DestroyER82]

Its analog oscilator actually. There is high freq master VCO (which is also connected to pitch bend) that then gets divided down and waveshaped by YM chip. Key decoding / osc control is digital, but sound source is fully analog.

[@technopoptart]

is it just me or did the ending kind of feel abrupt?

[@removalist1995]

Wow you are so smart

[@Solar_Sounds]

@@removalist1995 Wow fuck you

[@removalist1995]

@@Solar_Sounds sounds kinda hot tbh

[@ericstoverink6579]

Probably since it was composed for his game the abrupt ending is where it loops back to the beginning.

[@sebbe4914]

@@ericstoverink6579 i think he meant the video

[@amshermansen]

These videos about retro synths and keyboards seriously made me consider buying one and learning basic keyboard skills. Whenever you play soundtracks from old games, it just sounds divine.

[@conjointoates]

Mansen IP I get goosebumps every time he plays anything

[@Supergeckos1000]

Be sure to get a synth and not just some keyboard with some presets. So much nicer! If you're unsure, try a basic free digital synth and try it out.

[@Minecraftminer3000]

I just got a used MIDI keyboard from an auction for less than $50. It's the Evolution MK-249C if anybody is interested. Probably the best purchase I've ever made. Learning keyboard is fun!

[@chronixthegod]

Lizard771 says the maker of a dead skype group rip

[@Supergeckos1000]

1. I wasn't the creator. 2. It's up and running, just because you've been kicked, doesn't mean it's dead Please just stop.

[@mikemeengs4124]

I loved the "stepped" glide on the CS...I used it for the lead melody on a big label release!

[@minorhead5536]

the cs is also my secret weapon :)

[@rommix0]

This keyboard is like Yamaha's answer to the Roland SH-101

[@TheIlluminatiREAL]

This is probably the only channel that I watch every video of. I can't quite put my finger on why. I don't even play piano. Guess you're just that good, Dave

[@AndersEngerJensen]

I'm thinking I should check out Brandon's studio. Maybe we could make some more music for your game and other stuff. :)

[@flashbang9832]

Anders Enger Jensen i was about to say "hold up wheres anders he alwase gets top comment"

[@zibbybone]

And you finally got to check it out this past May. Hope we can get together next month!

[@iantribunal7863]

1😛

[@authorlilhyz7121]

no

[@iantribunal7863]

😛 my baby

[@patrikknoerr9777]

If you connect the CS01 to some FX pedals, this should get some awesome results!

[@witeshade]

the problem with simple synth circuits like that is that the sounds don't have much depth or richness to them, so a lot of effects don't really work well. A delay pedal would be sweet, and maybe a flanger but without the body of sound that a multi oscillator synth in unison mode can do, effects might end up highlighting the rough edges rather than creating a full, good sound.

[@DCPier]

Did you know that when you press more than one Rhythm Select buttons on the MR-10 (and they actually stay down, sometimes they wont stay locked if you press more than one) you get a strange mixture of the rhythm styles you selected, which results in some quite interesting combinations... :)

[@TimHendriksenTinyT]

I have a Yamaha DX21 and would love to see a video where you explain how fm synthesis works.

[@ata000001]

The Yamaha CS01 is one of my favourite instruments. I have the mk II-version which I purchased brand new in 1984 myself. I have played it on stage and in the studio and it is one of the greatest monosynths and at least my favourite. I have also several other ones, even the modern ones like the Korg Monologue (which is also great) and many virtual analogue ones (like Waldorf Rocket, Yamaha reface CS, the Roland boutique series etc etc), but for me the CS-01 is much more important. Too bad you didn't cover much the stuff what makes it so great, the square wave with open filter and no use of the EG isn't really what the CS01 is about, it's the PWM with it's dedicated own second LFO, it's the filter and the EG. The mk II version has even better filter with self oscillating. And it's very good also for making percussion and drum sounds... but for that you need the self resonating 24dB mkII filter. I've been planning to do a video about the CS01 mk II because there doesn't seem to be a good one in KZbin... It was my school to sound synthesis, and the foundation of my own current over 25 synth collection...

[@dreamyrhodes]

Of course you want the int. speaker disabled when you attach line out

[@andydunnock8114]

I still have mine, in black with the strap, case, and breath controller BC01 (which I can use on my DX7 too). It was so light and portable, a very useful bit of kit.

[@ChannelAsh100]

these frequencies with headphones shake my brain. at 2:40

[@gold4963]

I should really be doing my homework, but whatever... XD

[@_lun4r_]

FUCK HOMEWORK

[@proCaylak]

GOLD 1515 better than having an exam tomorrow :D

[@pilzfreak9662]

Screw it you'll have time tomorrow morning!

[@JayOhm]

Yeah, good advice! Whenever I start studying in the morning before exam, I n̶e̶v̶e̶r̶ screw up!

[@Wizard-ol6vw]

GOLD 1515 I

[@NordiusOfficial]

Finally a synthesizer.

[@JamesPawson]

Looks like a great instrument for introducing someone to basic synthesis.

[@turquoisecapricorn]

The CS-01 is a great little synth! I used it in several tracks. Mine had a midi-kit in it(midi-in).The space of the midi-kit was on the place of the external speaker, so I had no external speaker.Not so long ago I swapped it for 3 big scale-model cars, this in order to complete the other swap that day: my Jen SX-1000 for the Moog The Rogue. I like your channel! Greetz from East-Flanders(Belgium). Jason

[@Yinte_Klop_Blunt666]

Oost-Vlaandereuuuuuuhh

[@d_vibe-swe]

The CS-01 sounded very much like a C64. :) .. and I got to love the drummachine! Like a poor man's 606 :)

[@MattGreerMusic]

Poor man's 606. Was going to say the same thing. I've never even heard of the MR10 before.

[@zibbybone]

There's a video I made on my channel where I run it through some Strymon effect pedals.

[@MattGreerMusic]

Cool. I'll check out your channel. A fellow synth nerd I see. :) That's all that is on my channel too. Stop by sometime if you're bored.

[@zibbybone]

Matt Greer I recognized your name from synth FB group's.

[@MattGreerMusic]

Gotcha. Well, nice to meet you.

[@uhlectronic]

MR10 rocks!!! Try pushing multiple rhythm pattern buttons down at same time!!

[@johneygd]

The composed music for the upcoming C64 game you making is awesome!!! And BTW those analogue drum samples are smezing.

[@MysticFrequencies]

Just thought I would point out that both the CS01 and the MR10 are just 2 components of a larger system known as the Yamaha Personal Studio System. here is a link to a photo of my complete system: www.nasasearchlights.com/MF/YAMAHA-PERSONAL-STUDIO-SYSTEM.JPG There are some other things in the photo but the system itself are all the grey/matching gear. I have the entire complete and matching system which consists of: CS01 Synthesizer BC01 Breath Controller MR10 Drum Machine MT44 Multitrack Recorder RM10 Remote Control MM30 Mixer MM10 Aux Mixer PB10 Patchbay RB10 Mounting rack and storage box MA10 Headphone Amp MS10 (Pair) Powered Monitor Speakers MH10 Headphones

[@turquoisecapricorn]

That Yamaha MR-10 is a rare drumcomputer. I will check Ebay now. greetz

[@RetroPCUser]

One thing I need to learn: How to make games using basic. I'm trying to figure out how to make a Centipede clone game, but my lack of basic knowledge doesn't help at all since I only learned Visual Basic (which is basically (no pun intended) similar somewhat) on high school.

[@AVINIDE]

Random fact: Sawtooth wave is still used in certain music genres. Deadmau5 uses it very often with applied low-pass filter (example - Imaginary Friends)

[@MPC666]

I guess this is a more mobile, yamaha version of the roland sh101. pretty cool.

[@Time4Technology]

I used to have the same MR10 drum machine.. Wonder where I put it now that I watched a video about it.

[@jacobrau990]

2:50 oh dear gosh my ears

[@Jooseph1993]

8bit keys - one off those channels which videos gets instant thumbs up even before watching. Just to be sure that you won't forget about it. :)

[@Shockszzbyyous]

I neeed this keyboard, but every i find is like way expensive :D . I have the money but that much :S you know what that meens right ! :D it rules ! also you rule and really like the content you make. i'd really love to hear more from this keyboard.

[@lundsweden]

Kind of like a Korg Volca from the early 80s, but with a keyboard. Probably was cheap new, but quite expensive now.

[@yeeisme]

I'm crossing my fingers on this video before I proceed. I really like most of your stuff when you are thoughtful and fact driven. But I know branching out can be a tough road. I give you props for having the courage to make something like that AI video, maybe if we can find a balance between that and the 8-Bit guy we love it will be a big hit!

[@evetsnitram8866]

I have access to one and I want to try running it through my Zoom MS-50G pedal. There's also a free CS01 vst called HahahaCS33 that sounds identical to this one.

[@inglepropnoosegarm7801]

I have one of these. Best thing is it runs on four AA cells! It is a cool little device, and can make some nice sounds. It's a great 'beginner synth'. The switches and sliders are of good quality. A weird anomaly is that the pitch-bend only goes up! This ties in with its guitar-synth aspiration, as it can only therefore do 'bends' up, as on a typical guitar! Weird decision, and one that limits its expressiveness as a synth. I would not part with it!

[@djkoelkast]

ym10150 is the voice IC "Key Coder Tone Generator". A digital tone generator (DTG).

[@reidwhatley5857]

I have the CS01 and bought it new back in the 80's. I have the breath controller and strap buttons for it too. Still have the original box and owner's manual as well.

[@DrLoverLover]

Why?

[@topsecret1837]

*LEGO Movie 2 Part 2 comes up* Chris Pratt says,” Don’t skip this, keep on watching.” *Ad runs for 104 minutes* “Yeah, I don’t think so” *SKIPS AD*

[@Kholdstare0503]

I love the tracks you guys compose. Hits the nostalgia sweet spot. 👍🏻

[@doranstewartstewart6521]

I want that drum machine.

[@jonathanharvey2156]

SO TRUE, definitely, the best Kickdrum EVER!!

[@Anbun]

I feel the video ended rather abruptly but I liked hearing the soundtrack! :D

[@coraduncan2325]

Got mine and the predecessor to the drum machine you showed that was even simpler back when they were new in 1982. I did a lot of Home recording with both of those using a echo unit and a chorus unit with them. The breath controller did some very interesting sweet effects when you used it but it really wasn't that useful it was more useful with my dx21. I did use the CSO one on stage with the band and often use the glissando effect on there which was my little cheat that made it seem like I was playing things a lot faster. I've actually recreated Keith Emerson's end solo from lucky man using that little unit. Watching all your videos makes me want to clean it up because it's never had more than just occasional wipes with baby wipes ever since I got it still works after all these years. The original wall that came with it long since died but it works well on six double a batteries.

[@L00PdeL00P]

It’s like a monophonic reface cs Only in the sense that it’s the same size I guess

[@ColtGColtG]

I wouldn't say it was to invite modders and hackers but more that came out of the tail end of an era where tech was expected to be repaired and not replaced. That was probably to assist their authorized repair reps.

[@d2factotum]

Surely the point of the line-out disabling the internal speaker is *because* it's designed for use on stage? You wouldn't want any of that internal speaker stuff getting picked up by a stage mike and interfering with the audio.

[@8BitKeys]

yeah.. but then it sort of raises the question of why have a separate headphone port?

[@d2factotum]

Wouldn't the headphone port be amplified and not be at line out?

[@ata000001]

You can have the line out going to the PA system and you can still have headphones as a monitor. Nobody should be using the internal speaker... it's just good it's cut off when you plug in any real cables. And the headphone out has different amplification than the line out plug. Also the line out is a TR mono jack and the headphones out is a TRS stereo jack (even it has the same signal on both "channels").

[@ellaDdoesvlogs]

2:04 What?! You played the Space Quest III main theme?!

[@Sam-lr9oi]

Man I bet that thing could make some super dirty sounding garage tunes

[@newagederpderp]

PC Speaker: BEEP Keyboard: Bezz

[@jinggarcia]

i recently bought a yamaha cs-01 for $80 a couple of months ago and did a simple mod on the resonance and vca :) btw, can you feature (if you hadn't already) the casio cz-101 and casio cz-230s? thanks!

[@Andronicus2007]

I passed one of these up at a pawn shop about 20 years ago... regret it now!

[@lo-firobotboy7112]

Dude, I love your videos. The CS01 is one of my favourite synth, especially since I added the Highly Liquid MIDI interface. It has a great 303-ish quality for sequenced bass-lines but also excels at buzzy lead parts. The PWM is awesome. As always, great video. CHeers!

[@arturohernandez376]

In the 2:43 mark it sounds like the nfs carbon intro...

[@Francisco12G]

4:56 sounds very familiar.. anyone? Great demo!

[@DJGeosmin]

the drum machene has exactly the same sounds and rythyms as my yamaha psr 70 keyboard.

[@olahansson5179]

The CS01 is one of my favorite synths of all time simply because it's so simple but at the same time sounds so beautiful in its own way. For all of you who have one and don't get it to sound as awesome as you want, run it thru a looping envelope or a gated sequencer (so it "cuts" the sound) and maybe even with a delay or a reverb to make the sound bigger, I use to run it thru my Electribe AE-1 for distortion, delay, "gating" and extra filter. The pulse-with modulation is great for deep bass and leads sounds while the rest is mostly good for more chiptune-style sounds. For added expression you can use the breath-controller input to control the filter and volume, in that way the triangle is great for softer sounds as well. For the rev1 (as the one in the video) there is a pot on the PCB under the cutoff slider where you can change the resonance of the filter - it can sound really aggressive but it is easy to drive it out of control. Some ppl modify the rev1 by wiring one of the breath controller inputs to control reso. It is a small and simple synth but it is possible to get it to sound raw and aggressive and useful for 8-bit style music as well.

[@ata000001]

The Yamaha proprietary custom "mystery chip" Yamaha YM1015 is the combined key tracker and oscillator of the synth, i.e. the actual device generating the sound of the synthesizer, which then goes thru the filter and EG circuits. The chip died once on my own personal CS01 mkII, but back then it was luckily still possible to order a replacement by an official Yamaha synth service shop.

[@yzzyxnetwork]

I was thinking about buying one of these, until I saw the prices! ~$600!

[@Cincinnatijames]

yzzyx if you watch out for them, you can pick them up for $200-300.

[@MidtownSkyport]

what? mine was about £100 a year or two ago

[@MrTrollinglol]

You should pick up a microbrute, $300 new and is a lot more capable than this synth but can still do some pretty good chiptune stuff and whatnot

[@RetroPlus]

Screw that! I could get a korg monologue for that...

[@L00PdeL00P]

The reface CS is one that you can get new, but it is more expensive. It Has a similar shape with the sliders except it’s polyphonic and more based on the cs80 architecture. I have one and I love it.

[@RothmanHarv]

Should've used the filter a little more. But good job making the analogue synth sound like an 8-bit style one.

[@davidlister370]

Hey David, are you psyched for the movie 'Ready Player One' next year? Lots of heavy references to 80s culture and tech. In fact, when I read the book and they were talking about the Atari 2600 and Commodore 64, I couldn't help think of your videos! I actually recognised a lot of systems and games PURELY from watching your work! Great video here, as usual! Keep up the stellar work!

[@8BitKeys]

I'm not familiar with it.

[@davidlister370]

Check out the book, I think you'd enjoy it. Spielberg is directing the movie adaptation of it too.

[@davidlister370]

It's pretty meta, isn't it? The audiobook is narrated by Wil Wheaton who is actually mentioned in the book, as well as Star Trek: TNG, so he has to talk about himself in the third person which I bet he found odd!

[@TheRealColBosch]

...and then the film came out, and it was pandering garbage. As, of course, it would be.

[@DaveLennonCopeland]

Still got my CS01, but the LFO speed slider is a bit glitchy. I've got a breath controller (somewhere) for it too.

[@JmnNatu]

I just screamed out yeyyyyyy when i saw the notification for this...

[@DoRC]

ifnits meant for use on stage it would make sense that the speaker would be disabled when the line out is used. wouldn't want the speaker playing on stage I think.

[@tsuobachi]

I was just using my CS-01 last night and it's a great little synth, but aside from collector's value I'd say that buying an arturia microbrute is a better use of $200 or so. I had the microbrute making the EXACT same patches as the CS-01 last night, which really surprised me. The PWM is better on the CS-01, but basically everything else is better on the microbrute. Since I have both, I have to say that they cover the same ground. The microbrute has 2 more oscillators, way better resonance control, is semi-modular, has plenty of ways to sound dirty or clean (yamaha CS-01 is mostly just clean sounding aside from the noise waveform), not to mention that the microbrute has cv/gate, MIDI IN, AND external input, so...it's an easy choice. The CS-01 was a little king for decades, but now there are better options for the same money or less. But if you just have to have a CS-01, be patient. Don't buy one from Japan. CS-01 is worth $200 and the Japanese ones often run $350-600 after shipping. The CS-01 was produced in large numbers, and so they are not very rare. The CS-01 MkII IS rare, and they tend to go for $450 or more. The mark II has a much better filter (24dB versus 12dB on the mark I), resonance slider instead of 2-position hi/low switch, has a black and green paint job, and is overall a much more versatile instrument.

[@Cincinnatijames]

tsuobachi I've found 3 at swapmeets for next to nothing in the past 20 years

[@tsuobachi]

That's great! I'm always on the lookout for them (among others), but haven't had any luck with them yet. I have found many other great synths over the years though, so no complaints from me. Garage sale season is here now, so there should be plenty of opportunities to find some hidden gems.

[@Cincinnatijames]

tsuobachi I've found dozens of Poly800 over the years. I have 4 right now, I've never paid more than $100 for any of them.

[@disarmsox]

tsuobachi the microbrute only has one oscillator.

[@tsuobachi]

Well, you're right, thanks for pointing that out. I was thinking of mixable waveforms and typed oscillators for some reason. I should have said one oscillator with 3 mixable waveforms and one suboscillator. That said, I think the microbrute oscillator is FAR more versatile than a standard mono synth oscillator due to the mixable waveforms.

[@ashkat64]

2:44 reminds me of chaos theory by conspiracy

[@karl-heinzskywalker387]

I had a CS01 and it is cool if you are really want to understand the analog, substractive synthesis in real and not emulated because it´s reduced to all rudementary functions. But that also means it´s a little bit lame:) Adding an Arduino Midi and soldering some of this babes together would be a great analog machine but maybe a lil bit to expensive because it has a collector status and alternatives are given. I don´t know any more real analog Synthesizer in that easy and good to understand design, even its absolutely obvious and an affordable synthesizer.

[@gavincurtis]

Take 16 of those and add aftertouch and ring modulator; you are approaching CS-80 territory. From what I could see, they may be using the same chip set in the CS-01 as they do in each of the 16 CS-80 voice cards. That larger chip I suspect is they key scan controller. As always, thanks for taking the time to do the tear down.

[@gavincurtis]

Well, after watching this on a real screen instead of a phone.... definitely not the same same chipset. But nice sound. For each voice card the CS-80 uses 1 VCO chip which then goes to the wave generator chip. This is the chip that produces all the waveforms. From there it goes into the first filter chip (low, mid and high pass). Then into the 2nd filter chip which is identical to the first. Then into a primary and secondary pair of pseudo mystery envelope generator chips, one which adds resonance to widen the sound and make it all phat and juicy. From there they audio signal passes through four VCA chips which mix effects from other systems (LFO for example) into the final output. A total of 12 chips per voice card. So I was way off.... but now I have my eye on that big mystery Yamaha chip.... could they have integrated a good portion of the CS-80 voice card into one chip? Need to see where the envelope and filter slider controls on the circuit board go.... CS-01 shopping now.

[@bernoinferno4389]

Errrr . . . No

[@Mr1p0d]

A small keyboard and a strap... that MIGHT be the predecessor to the actual keytars that many 80's and 90's artists used :3 (And is still used sometimes even today)

[@zibbybone]

The Moog Libertation was released in 1980. There was also the SCI Prophet Remote keyboard controller for the Prophet 5 (not sure what year it was released). But the first "keytar" was called the Syntar by George Mattson who now builds modular synthesizers.

[@Mr1p0d]

Oh wow :3 I see it but let's say that the Yamaha was the almost closest to a keytar but without the buttons for the other hand that most keytars have so it would be a strapped keyboard but nice data, I highly appreciate it :3

[@zibbybone]

Although not technically designed as a keytar, Edgar Winter added strap pegs to the keyboard controller to his ARP 2600 and played it as a keytar in 1973.

[@Mr1p0d]

I see :3 maybe the instrument was inspired by Edgar's creation

[@lo-firobotboy7112]

I have a MIDI kit installed in my CS01 which makes it into a great studio tool. Like a very poor man's TB-303 or SH-101. Pulse Width Modulation adds a very fat wet quality to the sound. Love it!

[@vaderexmachina]

Man you should definetly take a look at those roland synthesizer keyboards, the Roland E-28 is a great choice!!!

[@Beephouse]

Oh wow I used to have both of these back in the 80s! Thanks for sharing this 😀

[@EppuJoloZ]

You should try the JVC KB-500. The only retro keyboard I have played :D

[@slawor4]

Do you have any knowledge about the Generalmusic S3 Turbo? I have recently found one and know nothing about it.

[@Aguyontheinternet]

2:03 good ole' Space Quest 3.

[@peanutismint]

Interesting keyboards! Have you ever done any videos on circuit-bending? Might be a cool subject for a future project....

[@AMOKIAN]

There was a mixer and monitors that went with the complete set when it was originally released. My wife has the black and aqua one now with breath controller. I had the MR-10 years ago, the mods and circuit bent versions rock, if you like that type of thing.

[@dri1983]

I always think of the CS01 as the poor mans sh101. Nice to see that it's modable.

[@RussCottier]

Great video!!! If you look up the Roland SH-101 the design of this device will become a lot clearer.

[@Uvisir]

Hey 8-Bit Guy! The Yamaha YM10150 Chip is a "Key Coder Tone Generator" www.dtech.lv/techarticles_yamaha_chips.html

[@ilpatongi]

Just for info, the 1/4" jack doesn't make a product a "pro use" product. Even the 1/8" can be used in pro-audio, and the 1/4" can be used in home applications. The difference between pro and "beginner", in instruments particularly, is the build quality and parts.

[@ElectoneGuy]

That drum machine sounds identical to the rhythm sections of late 70s-early 80's Yamaha Electone organs.

[@skonkfactory]

Yamaha's old PSG based on the GI AY-2-8910 was called the YM2149; maybe there's an analog single-voice version called the 1015?

[@AnalogAnalogies]

Cool find! It's like Yamaha dropped a shrinking potion on a Roland SH-101. That PWM is tasty. I hadn't heard of this model, but ironically I have a VST that's an homage to it. It's called the Hahaha CS01.

[@vittosphonecollection57289]

3:30 I read "Yamaha Mario" xD

[@aretard7995]

Yamaha M(a)R10

[@vittosphonecollection57289]

@@aretard7995 Super Mario Galaxyyyyy!

[@doom705]

now your speaking my language! ANALOG!!!!

[@arthurnikitin]

Nice review! Btw there's mistake in description (cs10). Thanks!

[@bdttrance4194]

My understanding is that the 8 Bit Guy has little interest in producing music with modern devices, but I would love to hear what he could come up with, using a DAW like Ableton, Logic or FL Studio in his new Mac and a simple MIDI controller keyboard, like those from M Audio.

[@DanielHuman1996]

My friends and I recorded teenage punk rock songs with the MR10's disco beat and a Tascam 4 track, and got a gig at the Whiskey! The 90s were weird and wonderful, but we had to sell 50 tickets at $7 each on a Tues. :)

[@michaeldecatur7965]

Fun little synth! You should demonstrate the breath control function. You'd have a lot of fun with it!

[@justanormalperson]

wait what, this was released 13 minutes ago?!?!?! i'm early? finally.

[@AdamTheAd-vanc3d]

Excellent video , i so love the humble cs 01 . Add a guitar amp pedal andake the badboy sing.

[@MattGreerMusic]

Yay, a "real" synth!

[@twocvbloke]

Listening to the PWM sounds as you were fiddling, I thought for a moment you'd suddenly break out into playing the Assault on Precinct 13 theme... :P

[@trumjohannsmancave]

I loved this thing as a kid😍 Will probably get one soon👍🎶🎹 Thanks for great content! Cheers from Stockholm🇸🇪

[@TotallyNuss]

The CS01 uses a digital tone generator not an analog VCO. Hence the video game sounding vibe and stepping. The IC you don't recognize is the digital tone generator chip. It's a hybrid synth.

[@MrAcidBrain]

HELLO MY FRIENDS have a question!!! When you will do a review of Phillips PMC100????? 😎😎 thanks n beautiful data!!!!

[@AMOKIAN]

I remember when those were released as a set with a mixer and monitors too.

[@this_connor_guy]

I once had a Yamaha CS-15 that had knobs on the side for using it like a keytar. I never did, but that was still fun/funny to do. I was always afraid it would weight too much for the strap.

[@和足蓮見]

Hello' Nice you aer Repairmention the Maintenance of . Nice meet to you ' Im' before YAMAHA VSS-30 and YAMAHA PSR-6 of Repair to key klacking build maintenance to. Amd Keyboard tap Sponge the deterioration from Broken key with a snap. 🤔chemical maintenance of gonerde. from tokyo me. Recent years will keyboard YAMAHA PSR-6 of maintenance. Sponge and Crack Repair too.

[@Cheese_1337]

Why these keyboard don't make sinewave??? i'm curious.

[@AndersEngerJensen]

Sine waves are rarely usable since they don't carry much harmonic content. It's easier to get a nicer sine approximation from a triangle with filter and it will allow you to move the sound into something more definable that way. That's why you more often see Square, triangle, saw and pulse width modulation (plus noise) as the base waveforms for oscillators on synths like these.

[@jcraig6431]

Anders Enger Jensen ==The More You Know==☆

[@wrestletube1]

That wide chip says YM on it and a rare number in the 1000s when most of them are 2000s and 3000s so it must be the sound chip of the keyboard but also a unique rare model of YM too which makes it a unique sounding keyboard to the normal Yamaha.