Casio CA100 Line Out Modification and Demo (Realistic Concertmate 670)
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- Опубликовано: 20 июл 2017
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Many people have asked for a better explanation of how to install a line-output signal on old keyboards. So that's exactly what I am going to give a tutorial about here.
I just found a Casio CA100 for $5.. but it's in terrible condition... so i'm doing my first keyboard restoration "8 bit key's" style!! wish me luck!
Luis Niels how did it go
Did you do it?
@@RickyRat256 Yes I did it... complete restoration, look brand new!!
@@NielsCG rcde
M
@@NielsCG could you post a video to your channel of the restored ca100
As an audio engineer I have to say you should listen to the end of the recording chain. If you listen to the beginning, i.e. the source, you might not hear problems further down the chain, e.g. buzzing or distortion. Just my 2c.
Sadly this can make it really difficult if you're playing the instrument and you use a digital recording device, which can often add a bunch of delay into the sound.
You can short the internal switch of headphone socket on circuit to keep internal speaker ON even when headphone jack is plugged in.
Shreyas kulkarni or hook it up to a switch, so it can also be only on headphones
I actually have this exact keyboard myself! Radio Shack rebranding and everything. But one correction about the polyphony at 8:31 . You can actually have up to 8-voices on every instrument. The instrument select button also has a label that says "poly/texture". If you press the button, it alternates between limiting the keyboard to 4-voices and giving you a more "textured" sound (which just seems to add a bit more reverb or some sort of modulation) or giving you the full 8-voices without any "texture".
Thus the actual complexity of the instrument doesn't really actually matter. It's just dependent on if the instrument is set to "poly" or "texture" mode.
+Neapolitan_ Husky I was about to write an answer myself when I read yours. Also, he didn't try the auto-accompaniment feature which limits you even further: 2 notes in texture "mode" and only one note in "poly" mode! I also have the same keyboard from when I was a kid. The interesting part is that when you remove the Realistic label on back, you find the original "CASIO CA-100" brading directly on the plastic.
However, I suspect the sounds be actually PCM (I didn't belive it back in the day) but very short looped samples, like wavetable. Nobody bothered ripping the content of EPROM chips (if it's technically possible) from the Casio CA line so I can't really tell.
@@Dioxaz This also labled as a Hohner PSK 20
Fun fact, a tv gameshow from my country in the mid 90s used the sound at 12:00
Chile. The show itself was called "time is golden" when translated into English. It's the same sound but i woudn't be able to tell you if it was from this exact keyboard or not.
PS: I had a Casio SA when I was a kid, it was my first keyboard
i swear that sound is used in some Death Grips song
So the Casio keyboard rick rolls you, when you play the demo tune?
it might be a different song.
Could be Together Forever or whatever
Ah crap looks like I was to late to make that joke then
It's actually together forever and not rickroll :(
Casio SA-1 plays Wake Me Up Before You Go-Go
I am always impressed by the large chunks of your videos that you record in one cut, like you did at the ending of this one.
Radio Shack actually put final assembly date codes on most of their devices. On the bottom, it has "6A0" on it, and that is the date, where the first number is the month, 1-12, the "A" is a spacer, and the last number is the final digit of the year. So, your keyboard was assembled in June of 1990.
Wow, I had this exact keyboard when I was a kid, hearing that demo track just brought back a flood of memories. It wasn’t much but it certainly gave me many hours of enjoyment.
Thanks for showing us this! 👍🖖
The demo song at 6:00 is "Touch in the Night" from Silent Circle
I don't think that's it.
Congrats on your 2nd 100k+ channel!
You finally got a step bit! 😃 The old drill and switch to next larger bit approach was killing me. 😂
ConGratulation for 100 000 subs on this channel!
Hey, ive been seen your vids for some time now, i realy was waiting for this keyboard, i grew up playing with it and loving/hating it. only used it as a toy as a kid, then saw it as an old thing. But over all, i think these kind of keyboards touch something deep in your viewers lifes, some memories or some dreams left untouched from growing up. Thanks David, From Argentina a great thank you.
You can hear the Casio sound underneath the hood no matter what brand they slap on top. Why they put Brass as the first one is hard to tell, because on the Hohner PSK range (same as the Casio MT series), they grouped the sounds more traditionally with Piano, E-Piano, Harpsi, Vibraphone etc first.
Maybe the Radioshack guys had a say in how they wanted it to be? How is the layout on the real Casio CA-100 in comparison? :)
its exactly the same on the real CA-100. However, I have a Yamaha keyboard from the same time period and same target price/demographic and it also defaults to a brass instrument (trumpet, I believe) and I scratched my head on that one too. I think it boils down to engineers making a toy and not having any real musicians being part of the design team.
8-Bit Keys Hi Hi I love your channel
Layout on real Casio CA-100 is the same... I have it myself :)
Lovro Sabljak Hmm, then it's another reason for it. Guess we have to find one of the engineers who worked on it back then... 😜
:D
The sounds of this keyboard bring back so many memories to me... I had the Casio MA130, which has almost the same sounds, but has a smaller keyboard. I even did some multitrack recordings with my dad's stereo reel to reel by recording off one channel to the other and adding a new instrument every time. (I also used it for some echo as well)
You got a *Silver Button!* Congratulations, man! Been with you since circa 20k subs. Keep up great job!
Congratz on 100K subscribers!
I love this channel! I had been watching your other channel for a while and i love it and when I found this channel I can't stop watching :)
I had this exact keyboard when I was a kid. It was actually branded Casio but had the same demo tune as yours. Oh, the nostalgia *.*
Missed your videos on this channel!
Happy 100k my man!
Another trick you can use to get line output is to unsolder the leg of the headphone jack which causes it to mute the speaker when there is something plugged in. This essentially turns your headphone jack into a line output. I have a much newer Casio keyboard where I did this and also added a little switch so I can change whether it's a headphone jack or a line output jack.
He just likes to do (unnecessary) mods and make up reasons for doing them... I think it's more about the process than it is about the result, in spite of what he might say.
I believe most of these connectors that "auto mute" mechanically disconnects the speakers when something is inserted. Drilling a new hole would be sensible in that case, as that would put it on par with most modern keyboards that have both a headphones and a line out connector.
what is this leg on the jack? i have one but i dont know :S
@@etiennelj if you dont like the channel, dont click on the videos or comment!
@@eemeli7093 why not ? Diverse opinions make for a richer discussion. Criticism prods innovation.
Congrats on passing 100K on this channel
This new intro piece sounds amazing!
Congrats on 100k!
Congrats on 100k!!
I had this keyboard (the Casio) as a kid. I completely forgot about the demo.
Thank you.
100k subs, congratulations
I had a little keyboard with the exact same synthesizer as this as a kid. It also came with a song bank, with Ode To Joy. I used to call it the "piano song" and when I learned to play it I was so happy lmao
Congratulations on 100k subscribers here on 8-Bit Keys
I can not believe it!
I used to have this keyboard a long ago, until my brother tried to "Fix a key" and the keyboard ends all disable and loose.
Great work on both of your channels, keep it up like that!
Grettings from Ensenada Mexico!
My first keyboard right there. I got the Casio one. Those sounds got me back in time. Very nostalgic.
Congrats for reaching 100k subs!
Congrats on hitting 100k on this channel a few days ago :)
Congratulations on hitting 100k subscribers on your second channel! Well earned.
Oh, this keyboard! This is my Dad's first keyboard and also mine since I learned how to play piano when I was 9. Brings back memories!
This keyboard was my second keyboard ever. This vid brings back so many memories. I remember using that demo song for intro to my fake radio show as a kid.
Another great video! Really looking forward to the Casiotone :)
I love glass harmonica, it's like an intro to an 70s Sci-Fi movie
Been wanting this for a while
The realistic concertmate line is surprisingly good. The concertmate mg-1 is a real powerhouse
That's because the MG-1 was made by Moog, and is basically a Moog Rogue in Realistic clothing!
Yay for use of the piano meter once again, seemed to be missing from some past ones.
I actually had the casio equivalent of this keyboard as a kid and it definitely had the demo song you played in the video.
Can't wait for the PSR-6 review. Had this keyboard as a child, and lots of good memories spring to mind because of this thing. Love it, always did, best keyboard ever as far I am concerned...
You got a step drill bit finally!
love this series.
congrats on 100k subs
I had this exact keyboard and was always disappointed with the sound (lack of) quality! I'm glad I wasn't wrong!
Hi there! I love these sooo much!!
This was my first keyboard. I still have it!. My father got it from Tandy's (that was RadioShack equivalent here in the UK). That demo tune is full of nostalgia for me. I used to play it all the time.
So sick nice jam dude
This is very technically advanced. You are to be commended.
congrats on 100k
Just got one of these for $19. Works fine and sounds good thru a Cube mini amp. Thanks for showing the hack. May try it.
Doing this makes a lot of sense doing what you do. I plug my Concertmate into a Roland Cube thru the Phones jack. It sounds quite good considering this is all low end equipment.
@ 8-bit Keys I have the Casio CA-301, CA-401, CTK-100, CTK-120, CTK-130, MA-101, MA-120, MA-130, and MA-201. All of those keyboards are based on the same sound chip as the CA-100. I also have the Casio CT-400, CT-840, and MA-220. Those three keyboards have similar sound hardware, but a few of the sounds are different from the other afore mentioned models. For example, the piano sounds more realistic on the MA-220 than on the MA-130. I also have in my vintage portable electronic keyboard collection the Casio CTK-150 and one of its bigger brothers the CTK-300. Both keyboards have a lot of the same sounds as the other models mentioned above, but here some of those sounds improved resembling what they’re supposed to be, such as the trumpet and the harpsichord for example. However, some other sounds such as the accordion and the bagpipes didn’t improve at all.
congrats for 100k
love your vids!! good job!!
great videos. keep up doing good job with your channel!
I used to own a Casio mt68
I loved mine!! The one tone labeled as "Funny" was my favorite
They are the same sounds as the Casio MA-100, although the MA-100 doesn't have any type of audio output. This video will help me if I dare to put it on mine. Thank you!
I recently pulled my CA-100 out of storage and it was not working properly. I would flip the power switch and it would light up for a moment and then die. This video helped me take apart the whole thing and after checking over all the components I had a stroke of genius and looked at the power switch itself. There was so much gunk on the board from being in storage that the power switch wasnt making contact. A bit of contact cleaner and 136 screws later I once again have a working keyboard :D
awesome vid mate!!
Awesome video ! Again
Jesus the demo song on that keyboard brought back some memories of my old keyboard!
Edit: It turns out the keyboard I had used the exact same internals just in a different shell
When my grandfather died and his house got cleaned out we came across this exact Realistic synth. Apparently He fooled around with it. I took it home, it had a black plastic molded stand it sat on as well. I had it for years. I used to take line out of the headphone jack into my 4 track and monitor through that. I composed and recorded many primitive hip hop beats with this thing and bass played through a practice amp, that i would mic through a garbage can I punched a hole in the bottom of and fixed to the end of the amp. Eventually I was going to junk it but my girlfriend at the time said she wanted it. When you zoomed into the list of sounds I got a chill as I hadn’t seen it in so long. Great mod and great vid.
Love the new intro!
this casio was my first keyboard!! so nostalgic!!
I had so many classic keyboards over the years some I wish I still had, now I 35 I been slowly rebuilding my old retro collection from DX7, Yahama DJX, Even now sounds amazing still, Yamaha sy35, Yamaha PSR 520
nice work!. greetings from Argentina
The casio will never give you up, never gonna let you down, never gonna run around and desert you. Great ad
Hi, I just got a Casiotone MT200 with my mother to restore. That was the keyboard we had in in 1986 when I was a kid. Inspired by this channel I'll restore it, including a retrobright. It was a very good keyboard for that age. Very simple, but has decent sounds, stereo line outputs and at last 8 keys polyphony. Also, it has an unknown computer port that I plan to discover what is that for. As kid was curious about that I never found it out.
Pfahaha I love how at 6:17 he just reversed the soldering clip because he probably forgot to record one :D
That's exactly what I did.. and yes, I forgot to record it.
Didn't even notice :) When content trumps errors.
EpicLPer I noticed how unusually fast the soldering went at that part, but didn't notice it was in reverse lol
gir489, The only way to recapture the genie!
YOU ARE F*CKING TOPCOMMENT AGAIN! STOP YOU BOTTING
I remember going to the mall as a kid in the 90s and hearing that exact demo tune!
I just picked one of these up at a Yard Sale for $6 with a “QuikLok” stand. I’ve been keeping my eyes open for one of these keyboards in satisfactory condition for some time, I lucked out & found one that came in it’s original box with everything original present along with a nice stand. The people at this Yard Sale had no idea what they were offering, I was able to walk away with MANY other items I’ve been looking out for in addition to a Japanese Imperial Navy leather cap in oddly good condition, the seller’s claimed original owner is a grandfather who served in a not specified branch of US service who didn’t serve in Japan, however owned many items which apparently originated from Japan of WWII era. Including early Honda items, including a Honda E40 & Honda “Cuby” engines & kits!
love to see you get one of those professional keyboards that had a built in floppy and can program in your own beats
It's these videos that got me interested in finding my own digital keyboard from a thrift store. I found two. A toy Casio SA-75 keyboard for 5 bucks and then a Casio CTK-531 for 10. Both in conditions I just had to clean the gunk off of.
I had a keyboard like this. This one looks exactly like mine but was made by Casio. I liked all the sound effects.
10:18 The sound that played when you hit the right most keys I always thought sounded like an alarm clock.
i used to have one of those. was fun to play with. but had too many limiting factors. wish i grew up with a better keyboard D:, still brings back soo many memories hearing the interments!
Oh the amp chip is being used in bridge mode to give more power to the speaker, it’s a way to use a stereo chip in mono, but with a higher output wattage using both parts of the amp
Like the new music David!
I have a PSR-6 I'm not as knowledgeable on the specifics of how they actually work but I absolutely love that thing. I got one from a second hand store as a young guy for Christmas and I haven't gotten rid of it. It needs cleaning but other than that it's still going strong.
I think the inverted signal sent to the speaker is called a balanced output signal. It's made to eliminate electrical noise during the transmission of the signal. I guess that's why you get a better signal from the speaker.
it's called a bridge-tied load configuration, and he correctly identified the reason this was done at 5:27. it has nothing to do with common-mode noise rejection in this context.
the audio rip using the inverted signal as a ground reference should be 6dB higher in level than the chassis-ground version.
@@technology4617 Okay thanks for the correction, It's configured that way to amplify the signal and not to correct noise if I understand. It would only cancel the signal if it was not inverted.
MT-68 AT LAST!!!!!! I am waiting a long time for that! 👍👍👍👍
I love that demooo.
I wonder if that chip has a sustain input... if so, perhaps you could add a pedal jack.
Hey, welcome back to 8-bit keys, it's been a little bit. Also, happy 100k subs! (Not sure when u hit that goal, but it's still cool.)
Scored a CA100 from Value Village today. Only $4.99 Canadian and works!
OMG I used to have the Casio version of this! It's so cheesy sounding, I love it and I especially loved the TOGETHER FOREVER demo on it.
And #88 was my favorite sound.
I have had it for 31 years and counting, without ever needing to repair it. I've listened to that demo a thousand times at least
Reminds me of my beloved Casio SA-21 keyboard which I still remember deeply, although I no longer have it. It was another PCM keyboard, and many, if not all, are the sounds of my keyboard. If you end up getting one I would love you to do a review on it. It's clearly a toy, but a very huge part of my childhood. By the way, that one began with a piano sound :)
Omg I have been looking for this mod on my Casio ca 100 now I can thanks (I have been subeditor for a while as well to see the keyboard I have is amazing)
Awww my old Casio CTK-100 had that demo melody in it, brought back some nice memories
Now that I'm hearing the demo sounds, they're EXACTLY the same samples from the CTK100 :O
MyNewSoundtrack what year is that ctk 100
poplharris 77 not sure, I got it as a present when I was 5 back in 1999.
Thanks for this video :) A few months ago I asked you for a video about that keyboard
because I have it myself and I wanted to see what others think about it :) I have some problems with the volume slider. It's as if loses connection. Very good channel and video :)
Oh yes, love your vids!! :-D
I have a Casio CA-100 and it still works fine.
Wow, my brother actually had this very same keyboard when I was a kid. Wasn't too sure until I heard the demo track
I own one of these keyboards, and I do have to say, I like it.
gonna look right now for that Yamaha PSR video!👀🎹
Thank you for this,very entertaining :)