Demagnetize your cassette/tape recorders for optimal sound
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- čas přidán 1. 07. 2024
- Learn how to preserve your #reel_to_reel tapes and #cassettes from deterioration due to magnetic fields building up in your recorders...#DEMAGNETIZE!
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- Annis Han-D-Mag
(US): amzn.to/2O7zrtp
(UK): www.runwayproaudio.com/han-d-...
Other countries: check on Ebay!
- Analogis simple probe Demag:
(US): amzn.to/2ZZ16E6
(UK): amzn.to/2NirzWy
(IT): amzn.to/2Lwetmh
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Music: Kevin MacLeod (incompetech.com) - Hudba
Indeed a great information for most of the beginners like me!!
2021. Shit I'm buying tapes again... since the early 2000s. Okay, I'm watching this at 3:57am now.
tapes arw adictive. Specially now when you can that old album on Ebay
I used a big magnet in hand demagnetized my cassettes tapes running it on both sides the tape moves its sufficient for my Vital things.
X2
I have that bullet one you showed first. Brand new it was 20 US dollars. You get what you pay for. And as far as using these, one has to be absolutely sure the power is on from afar and close to the heads and back again before removing power. I know you said this but I just wanted to reiterate how important that is.
I love your channel and all the great sharing you do.
Thanks George!
I have made a simple DIY demagnetizer and very easy works well. Just need a AC power adapter, some copper wire, and nail or some sort of metal rod. Just wrapped the few turns of coil over the metal rod connect AC power supply leads to both end there you go you have a powerful demagnetizer and cost nothing when compared to what they sell in the market. You get a 12v A.C adapter and it will do the work for you. Believe me it dose work and very well. Thanks.
Cool!
i magnetized a paperclip with a magnet just to test, and then i demagnetized it with the probe just to make sure it worked.
and it did. ( if you put the probe near the heads of a cassette deck you can feel it buzzing in your hand)
but yea i do mine every so often just to make sure.
One thing I never saw was someone somehow measuring that the head is magnetized and that after some procedure the magnetization was eliminated. This I would like to see someday.
Thank you 🎵
Thank you.
Grazie mile!
I may have to do that to my revox 215 I never did it to it n my nakamichi thank you buddy 👍😎
I was told by a very good electronics expert that you can demagnetise tape heads by placing the machine in record / pause mode and pulling the mains plug. Any comments? Also that B&O tape decks automatically demagnetise when switched off ( I don’t know whether that is all or only certain models). Great videos. Even at 73 I’m still learning 👍😊
well presented..tks brother for the tutorial..
Thanks!
hi pleased you done this video you are right demag tools cam cost big money
Ce l'ho anch'io quel tipo di cassettina, solo che la mia avrà si e no 30 anni! :-)
Però, cambiata la pila a bottone è ripartita alla grande.
Complimenti per il canale, sei bravissimo.
Abbi pazienza se scrivo in italiano ma talvolta mi prende un impulso patriottico.
Ciao!
Grazie Ale!
7:35 120v here, it's half of europe, easy to remember, i dont know about usa but here in canada we also have 220v but only for big appliances like ovens and clothing washing machines
I got a tape head cleaner and demagnifier from Amazon Canada. It's a cassette with cleaning fluid. Some of my cassettes need to have their felt pads replaced. I tried a Frankenstein repair on a couple of them with felt from the Dollarama. It just made my tape heads dirty. i used the cleaner and the deck plays fine (with cassettes that work). The packaging claims it can't damage the deck. I find cleaning and demagnitizing my player once a month to be sufficient.
I watched one video and the guy described the process of demagnetizing the heads as collecting bubble gum slowly with the probe. I don't know, that made sense to my brain for some reason.
I do de-magnetize periodically. I usually evaluate the magnetic field with a magnetometer prior to doing so. Just to demagnetize because it has been a certain length of time is not always the best thing to do. I was hoping you were going to deal with the process of cleaning the heads and capstans as well so the tape is ready to be listened to/made. Demagnetization alone does not a good tape make. Thanks for the informative video.
Arikona I know you asked for a maintenance vid for centuries...I have not forgotten! ;-) I just want to brake up the various processes. The idea of using a magnetometer is a VERY VERY good idea. I wanted to suggest that but I obviously forgot. Thanks for pointing that out! For who is interested you can find kits with all the necessarie! Cleaning is very easy and not very interesting but I will do a simple video also on that. As you know your best friend is isopropyl alcohol and high quality cue tips, better if made of leather!
@@anadialog Question ? Mr Know-it-all friend tells me we don't have to demagnetize my Deck , because it sat in storage for many years . Telling me magnetic field goes away in time . Not buying his argument , due to fact deck was stored high on a shelf . I'm I totally wrong or is he not rite ??
@@surgen9499 well, I am not an expert but there is a thing called remanence, which is exactly that, residual magnetism in ferromagnetic material which stays present for a very long time. It's the same principle of tape, more or less.
Thanks for the video. I also use a han-d-mag; but it has a longer, narrower probe and is much easier for getting into cassette deck doors. Much rarer to find on ebay, but come up often enough to look for if, ones castsette door doesn’t accommodate the standard one. I’m curious if you do the reel to reel behind you there or remove your tapes first? I’m always super paranoid of having any media near my machines when demagnetizing. FWIW I haven’t heard of an official safe distance for media when the demagnetizer is plugged in.
Thanks. I may look for that. I keep my tapes at a save distance. In any case don't be too worried. You would need to very very close to modify the oxide magnetic charge...even with a direct contact bulk demagnetizer it take quite a lot of time and power to erase them...
This is the second instruction video on demagnetizing tape players I've seen today, and it really has me curious regarding the wonky operation of a Beltek car-dash player, which I got about a year and a half ago and started acting odd about six months ago, despite the seller's claim that it had been serviced and tested. I have probed around the inside of the unit and cannot find any mechanical problems which would cause the take-up reel to suddenly speed up as though it were stuck between play speed and advance speed, which is what it does with any tape I play. It does NOT chew the tapes up, it just plays at a wonky distorted speed. About a week ago, on another check, I discovered that, when I insert a tape, the take-up reel runs at the proper speed while the plastic strip runs over the head...but as soon as the tape itself touches the head, then it acts the fool. With the design of the tape system that Beltek came up with, there is an electronic part on the underside of the mechanism, with two hair-like extensions probing out and touching against a metal plate on the underside of the take-up reel, which it apparently is designed to do (possibly part of the system's auto-stop, I'm not sure since I don't have a factory service manual for this system). I'm wondering if magnetic distortion on the play head might be causing that warpage of the play speed, maybe somehow intertwined with those probes...?
Sorry, I know, long talk. But since I have been hearing about importance of demagnetizing service at regular intervals for a long time now, I think I need to invest in one of those probes and try it out. Can't hurt, might help...and if I do need to just replace the head unit anyway, it might be a good idea to run that probe over the replacement Craig T631 unit I just got, especially since I'm still doing revival surgery to it.
If they we 100% honest that they serviced the player, it might be the issue. Never heard of that strong, but you never know. To me, it seems that there is an internal fallacy.
I used a big magnet from a microwave and the tape moved and demagnetized them with my hand on both sides is sufficient for my Vital not a machine thanks for the video
I have the hand D mag but mine stopped working as it has a safety switch inside that can trip. So it has to be sent back to have it re switched. So I have just order another one
Thanks for the nice video. Still not clear how to know whether the cassette deck needs to be demagnetized unles no sound distortions noticed.
Actually you don't want to get to that point. I notice problems when I have problems calibrating a cassette, when the levels, especially bias, start jumping and fluctuating too much...then it's time to demag.
@@anadialog OK, thanks for the advice.
Bias current does not demagnetize because it stops abruptly.
Cassette demag use 630 or 650 or 1000 Hz and they are not effective because of high eddy current which won't let alternating magnetic field penetrate deep in the material.
Around 420 Hz demag have efficiency about 80-90%.
So, use low frequency (50-60Hz) demagnetizers cord powered or not as TDK-11
I have a couple more modern tape decks from only a few years ago (both are TEAC 850) , I don't think these newer devices require this, HOPEFULLY
All of them do after a while of playback and/or recording.
My boombox doesn't seem to have a de-magnetizer built into it so I might just get a cassette demageticzer for that purpose or possibly a probe
I searched for a list of cassette decks with that feature and NOTHING came up? Is there a list?
Very cool video. Thank you. I've always wondered about this, but never knew what was up with it. I just, yesterday actually, got a Nakamichi CR-A1 (I think that's the model anyway), and am looking forward to playing a cassette on my stereo for the first time in 2 decades or so.
And while I would like to keep it in good shape, and get the cleanest sound I can. I didn't even spend $100 on it. So I'm not going to spend $100 on that demag tool you recommend. Besides. I doubt it will fit in the well anyway. So my question is.
Do you think getting the small/cheap one, and the cassette one also. And then use both of them fairly often. Will that help at all?
I've had many cassette decks when I was young. Some very nice ones too. But I never used the demag at all with any of them. However they were all fairly new. Now I'm using a deck that's decades old. And who knows if anyone has ever done it to it, or not? So I think it could probably use all the help it can get. But I don't want to waste my time, and money either. What do you think?
Better then nothing?
Or is the big boy the only real way to do it?
I understand your point and I do agree on using a simple device than the pro version. I would go with the simple probe one. It is the cheaper and more effective than the cassette!
ANA[DIA]LOG Thanks for the reply. That sounds like a good way to go to me.👍✌️
I only used my big magnet in hand demagnetized my cassettes l bought that weren't brand new l wanted and re-used . I run the magnet on both sides it's sufficient yes.
So, seeing this and another video in which the guy built his own there are two things that I've learnt for certain:
Use a STRONG A/C electromagnet (he may have built his own, but he said a powerful one works better), DC magnets will only magnetize...
Move in and out SLOWLY (to litterally pull magnetization off the components)...
And then he left his system on, making some (nice, imho) sci-fi humming noises... Although I'll readily agree that that's a risky thing to do, it does illustrate what such a magnet'll do to your tape heads...
Now, I'm an electrical hobbyist and sorely tempted to make my own (overengineered and intimidating-looking) demagnetizer/ bulk tape eraser... How happy will that make my Revox A77 (since I already pissed it off by running flaky tape through it the other day, having to clean the heads, capstan and pushrod)?
Listen to you like English lesson. So good pronunciation))) and i can easyly understand what you talking about. Thanks from Russia
There’s a lot of helpful info here but man so many words.
Silly question but can any static transfer from the tape heads to the cassette while playing? I remember in one case playing a tape and when I had my phone up close to the player to record a video I heard static and beep sounds from my phone playing over the music. Any details welcome thank you for this video🤙🏼
If interference is strong it can happen, but not while playing, only recording
Hi there, you mentioned TDK and Maxell type cassette demagnetizers. I've seen a few good things about the old Teac cassette demagnetizer where you can see the circuit board and chips through the clear cassette plastic ( just the way they designed it.) Are those of decent quality? And, what's your take on buying used ones on eBay? Is there any compromised quality from using "An old, used demagnetizer"? Thanks! New subscriber here. Edit: if you feel that the cassette device demagnetizers are a little weak due to the small battery, couldn't you just theoretically keep it in there a little bit longer?
I did not like the results of the cassette, but maybe that's me. I prefer the good old handheld version. Yes, even Teac made one of those. Never tried but I am sure it is of great quality.
@@anadialog Thanks man.
The modern Neodymium Magnets , some as small as 1 inch , will totally erase a cassette in seconds. The super strong ones found in lapels (replacing pins on shirts) will do the job. No Phantom noise.
Good to know! Electrimagnets though will always be more powerful. In any case,I believe you are referring to the other video on bulk erasing...
I Got a hpf head can these head can be demagnetized
Also for VHS hifi recorders ? Thank you for the great content 👍
Good question! In theory yes, but ai wouldn't fiddle around too much since the components including the heads are inside the core of the machine
@@anadialog because I'm planning to use vhs hifi stereo for audio only.. that's why.. a field that needs more exploring. I was wondered about a thing: B & O is not mentioned once, is that all about fashion and design? Cause as a Dane I remember people in Denmark are proud of it 😊 thanks!
I use a mains powered one that looks like a soldeing iron .
Watching 12 voult vids channel for repairs he told me that all we need to do is just press REC once and then its all done with the erasing head . I did not ask many questions as its all keyboard & replies do not get the BELL anymore .
You may need to check the position of the heads after using that big thing , it sounds far to POWERFUL for home use ???
The rec button for demagnetizing the parts of the deck? Impossible...Maybe you mean to erase tape...
@@anadialog Yes
@@anadialog On a 2 head deck, the record playback head (we are talking cassettes) will generate a magnetic field at the head gap and when the stopped, the induction of the head will hold enough energy to reverse the field thus reversing the magnetization and I have discussed this with various technical experts in the field. You will note that in most cassette deck manuals that the recommend the procedure and also suggest one made/badged by themselves to sell. Hmmm.
Reel to reel, is occasionally required but not every few weeks unless you are using a industrial grade 24 track machine.
I would recommend against this practice unless you are confident that you know exactly what you are doing - failure to do it properly can irreversibly magnetize your heads/tape path.
@@BigKelvPark well, we are mainly talking 3 head on this channel...plus, we are not demagnetizing only the heads but the whole tape path. It's a standard procedure that needs to be done. I did explain exactly how to do it properly. No risk if you follow the instructions.
hi was talking to a tec about de mag it's the first lot of pace makers that came out a very long time ago i know a bbc ex audio
man told me this yes the big be meg you have is ace i have one i don't thick there many old pace about good to bring it up
My Akai DeMag is the best of the best.😂🎉
Unfortunately I don't have any "magnetic tape system" , but I'm looking!
Please do! Jump in the tape community!
When Demagnitizing Reel To Reels should the machine be ON or OFF?
Always OFF!
@@anadialog Thank you soooo much... It's those little details that get you into trouble....
True!
ok but how do we do it with the dcc decks en datrecorders
Jeanique Cotino
As I understand dcc heads should not be demagnetized as it will damage them..
DCC must not be demagnetized. DAT heads and components are very fragile. If you want to do it by yourself be very careful. The best thing is probably to open the machine to reach better the various parts...
great video. Can
I use a powerful magnet rapped around something soft and demagnetize my tape, deck reel to reel?
Unfortunately, no. You need an electromagnet for a clean and thorough operation.
ANA[DIA]LOG thank you!-
How many times i should i use the tape one like the tdk
As many as you wish! Best is once!
Uh oh. I have an ICD implant. So I guess I'm stuck with the cassette format.
with all this talk of magnets, it just dawned on me, if you went to a music store in the 80s, you could probably hide a magnet in your jacket and destroy all the music on the tapes. Hundreds of euros in damage and so easy to do
whats wrong with you?
@@ogopogo1397 i would never, im not that evil
@@gort9374 also not that bright.
Can I use a magnet from a broken speaker?
Not powerful enough I'm afraid
here is maybe a strange question ..are there certain items like computers or iphones or anything else that if left in close proximty to a cassette recorder can diminish its(cassette player) quality? ..for example a computer tower "work station"-could this affect the magnetism in some way? i have an old fostex 4trk and seemingly it needs to be cleaned and de magged but im also wondering if i should keep it at some distance from other machines in my work space?
thanks in advance
Yes, its always a good idea because several of these machines have magnets or produce magnetic fields that may influence the recording and playback of your tapes.
I have TDK demagetiser. It's a cassette. Just stick it in every 30 hours of playing time and press play for 10 seconds.
Did you watch the video? 4:31
US 110 Volt =)
Why should we demagnetize our cassette ? What are the beneffits?
You mean cassette DECKS, not the cassettes! Demag helps achieving a linear frequency response in playback and recording.
It shouldn't affect any *peace maker*, only *pace maker*, though (**)
🤣
These Tape demagnetizers with the watch battery is just a piece of garbage. A placebo, nothing more. It creates almost no magnetic force. How could it with no power supply?
The probe type on the other hand works great. I have one from the early 90s and it makes a huge difference in the sound. I once got a tapedeck from the fleamarket which sounded very muffled. The usual cleaning with IPA etc. did not make a huge difference. After using the probe it sounded clear and bright again. Awesome.
AC bias also demagnetizes.
It does not, because it stops abruptly.
@@ramonchiritoiu6131 You are right, I didn't think of that.
@@Pico_Farad In fact, 1 hour of recording is equivalent of 2.5 hours of playback in terms of head magnetisation.
@7:40 I am dying laughing HAHAA! make be make be be mery be very careful!!
🤣
Is a gaussmeter enough to decide when heads/tape path should be demagentized? I ran into a video where a gaussmeter is used and its interesting. If you want a peek: czcams.com/video/d3fQgTrW-aM/video.html
Hello, i have the probe and i d9n't have ant issues with it. Peace fam!
Great!
MY QUESTION : FOR WHAT SHOULD I DO THE DEMAGNETIZE MY CASSETTE ????
I don't understand the question!
@@anadialog why should we demagnetize the cassette......
@@vietNguyen. He explained that in the video.
Isn't 2 or 3 weeks too frequently?
Not if you use tour tape regularly...it also depends if you are using mediocre tape quality...I personally do it every 2 or 3 months but I am lazy ;-) Remember that some high quality decks demagnetize EVERY TIME...so there isn't a too frequent rule IMHO
@@anadialog ok, thanks for the reply.
@@anadialog what decks exactly require every time?
@@ogopogo1397 not required, they do it automatically everytime for example the Aiwa AD-F770.
@@anadialog You really dont understand what you are talking about.
This tapeheads page got me confused, got anything to say about it?
www.tapeheads.net/showthread.php?t=20482
As for the web, everything is wrong and everything is right at tye same time.
I use my hand-d-mag on all my r3r and cassette deck and never had a problem. I do think that you need to demag but rarely, even though it does depend on how much you listen to a specific machine. Were there other concerns?
It's pace not peace
Am against those powerful magnets as you can simply ruin someones life with it, am mean if video & cassette tapes, flippy disks and pace makers are vanurble for it,well you better hold your breath if you see your friend waking around with it in your house.
It has to be plugged in the wall to work!
Peace maker? Lol
That could be a problem!
Where is your science and data to support your words? The data exists to disprove your theory, You should read it.
A 12+ minute video with 60 seconds of content. The rest is "blah blah, I'm not an expert, blah blah". Don't bother.
this video is bad, you can actually do more damage then good if you don't know what your doing just stick to cleaning the heads with alcohol every 10 hours.
I described how to do it properly and I have been doing it for over 20 years with top quality cassette and r2r decks...why is it bad? Elaborate, don't just spit venom...