Marantz 10B Vacuum Tube Tuner. One Of The Most Famous Audio Products Ever Produced. History & Repair

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My Favorite Tuner And Maybe Marantz's Greatest Product Ever. Cost As Much As A Good Car In 1964!
Timecodes
0:00 - Intro
0:52 - Marantz Company History
6:19 - Vacuum Tube Test Equipment
8:36 - Marantz 10B Tuner Repair & Restoration
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Пікірлер: 118

@Homer19521 2 жыл бұрын

I'm an engineer, but I have been out engineered by many non-engineers. Some pretty sharp folks out there & engineers don't always the corner on the market. Thanx for the vid.

@vintageaudioaddict 2 жыл бұрын

Your welcome. I'm with you. Nothing wrong with a formal education but there are plenty of smart folks without any.

@williamcorbin4539 2 жыл бұрын

The identity of the person who modified the tuner previously and left the Dole sticker is none other than Richard Modafierri, the prime designer behind the McIntosh MR78. User probably contracted RM through AudioClassics in Vestal NY. I had my MR78 gone through by Richard M. in 2001 and yes, he did leave that distinctive Dole sticker behind. It's kind of his repair trademark.

@vintageaudioaddict 2 жыл бұрын

Thanks so much for the information. I had no idea. Well, I feel honored to own a 10B that RM worked on. Other then a few vacuum tubes that I had to replace the tuner works great. I'll sure that is in no small part because of the work Richard did to my 10B in 2003. Thanks again for the info.

@richardlinks8575 6 сағат бұрын

Thanks for this fascinating post to KZfaq. A couple of comments. I own three Marantz 10-B’s I liked the fact that you spoke about the issue of Vacuum Tube Valley in which there was a feature centered around a tuner “shootout”. I was at that event and my image appeared in the article. I am the only person who is smiling! The “shootout” was totally unscientific. Some examples “auditioned” had been highly modified, some never serviced. Regarding the 10-B: To my knowledge, there never was a formal service manual ever issued for tuner. A hand-written sheet of comments is still circulating. The original opto-couplers are nothing more than encapsulations which contained either one or a pair of cds photocells, mounted next to or on either side of a neon lamp. They are not at all “secretive” or in any way “mysterious”. Not long ago, one could purchase replacement component parts at any Radio Shack. Vactek once manufactured vactrol replacements. The most common issue with many of these tuners has to do with spontaneous loss of detection. All three of mine do this. One moment you are receiving a signal and suddenly, you lose the signal. The display shows a single dot. When you rotate the tuning knob left or right, the signal reappears. I have never seen or read about an exact cause for this problem. And, yes, you were well advised NOT to try using glass cleaner on either of the glass dials. Enjoy your tuner!

@robertdavis5714 3 ай бұрын

Thanks for the mention of what it cost in mid 1960's. My Pioneer TX 9500 MKII on a good day I can pull in 91X a good 200 miles (TJ Mexico) away with a signal strength of 4. I own 21 FM Tuners (all 1970's Analog - 1 SUMO Charlie) 12 Integrated Amps (have commercial free Jazz "college broadcast" in my area) so I do listen to them, the analog sound is unsurpassed. This and Sansui X1 are the last 2 on my wish list. Miss the good ol days and walk into Thrifty Drug and use their tube tester for free.

@wilburchubs 2 жыл бұрын

Beautiful inside and out

@vintageaudioaddict 2 жыл бұрын

Thank you very much.

@danknox9986 2 жыл бұрын

Wonderful video. I used to have one! I had to sell it to my for my tuition in 1970. Got an MR65B and enough cash to pay for my tuition for a quarter for it. At the time tuition was $212 a quarter. I’ve always regretted selling it. I’ve owned some Marantz and McIntosh equipment for 50 years. From time to time they need a bit of tlc which I’m happy to give them. Although my wife thinks I have to many!!! I’m sure you can relate! Enjoy you videos. Thanks for posting.

@vintageaudioaddict 2 жыл бұрын

Your welcome and thank you for the kind words. I can certainly relate to everything that you said. Selling/trading some of the gear I had when I was younger. I still have some of my original gear but I wish I had more of it. I also have a 65B in my collection. Great tuner! Maybe one day I'll do a video on it.

@cjay2 2 жыл бұрын

I appreciate your approach to the old gear - not turning it on until you've looked it over, made some tests, etc. Another well-done video. Thank you!

@vintageaudioaddict 2 жыл бұрын

Your welcome and thank you for your comments.

@teekay_1 2 жыл бұрын

A variable isolated power supply is a a good purchase for anybody involved in vintage gear. They're fairly expensive new, I purchased a used Heathkit (!) with ammeter and AC voltage meter for a reasonable amount ($200) and it's been a godsend for diagnosing and testing old gear.

@maxpower78-15 2 жыл бұрын

Just got home from work and am now able to watch the whole video. Your videos to me are like must see tv in the 80s and 90s. Cheers! Prost! Love the channel.

@vintageaudioaddict 2 жыл бұрын

Wow, thanks so much.

@dennisdickey2267 2 жыл бұрын

I have had nice audio gear for 55 years, and have learned how to build and repair components. Built a couple of Heathkits and a couple of others. Engineering major at Cal Poly in 1964. Self taught in electronics and car repair.. Nice article.

@vintageaudioaddict 2 жыл бұрын

Thank you for sharing and for watching.

@craigm.9070 2 жыл бұрын

Thanks for this trip down Marantz memory lane! You have one of the all-time great FM tuners to listen to. Enjoy!

@vintageaudioaddict 2 жыл бұрын

My pleasure! Thanks so much for watching.

@stillastillsfan 2 жыл бұрын

I love tuners and have had many of the all-time greats. The 10b scared me because of the potential maintenance involved. One of my tuners is an ultra-rare Marantz st-8, solid state, multivoltage model. In my opinion, the latter has the most beautiful front panel for a tuner ever designed. I even have the beautiful walnut cabinet for the st-8.

@vintageaudioaddict 2 жыл бұрын

Nice! What a looker. I wish I had one in my collection.

@70smarantz61 2 жыл бұрын

Wow. This unit was recapped and upgraded by Richard Modafferi. He has done my 10B and 10 too. He is a reference technician out of Vestal, NY and he is the only one I trust working on a 10B. The Dole sticker is because he still eats a lot of bananas while running marathons. He is 84 now and still working on 10Bs. Rich changed out octocouplers and used his own circuit he designed.

@vintageaudioaddict 2 жыл бұрын

Thanks so much for sharing that story. I would have never known the history of my 10B or Richard without the comments. I love the history behind the old audio equipment.

@70smarantz61 2 жыл бұрын

The fact he changed the octocouplers indicates that the unit had high hours. He did not change octocouplers in my 10B nor 10.

@Beexzz 2 жыл бұрын

What a beauty! No matter high quality radio stations are scarce but I also love listening to radio sometimes. I have one fine piece of Pioneer Tuner, not tube like yours but solid-state TX-7800 mint. It is truly amazing how high-fidelity soundstage these old marvels can push. Don't let anyone tell you why in the world do you need Tuner. It is fun!

@vintageaudioaddict 2 жыл бұрын

Well said! Thanks for watching.

@gli7utubeo 2 жыл бұрын

I had a TX9800 for many years.

@Beexzz 2 жыл бұрын

@@gli7utubeo Even better model than mine. Absolutely fantastic Tuners, hands down.

@gime3steps 2 жыл бұрын

Awesome back story on Marantz, thank you sir! I'm sure glad your still doing equipment videos I sure enjoy them.

@vintageaudioaddict 2 жыл бұрын

Your welcome and thank you for watching. I'm glad you like them!

@bobnevala5218 2 жыл бұрын

$650 1964 US Dollars would be worth $5,830 in 2021. That doesn't tell the whole story or explain what it would cost to build it today, but it gives people a starting point of understanding how much money $650 dollars was compared to today. Around 1970 you could buy many smaller things for a dime. It was called The Power of A Dime. A bottle of Coke was a Dime. A Candy Bar was a Dime. A box of Caps for your Colt Cap Gun was 5 Cents. A package of 3 cheap cassette tapes were 99 Cents. A 45 Record was 99 Cents. My Parents bought a house in 1965 for $14,000. So 650 Bucks was big time money back then. I enjoy watching you explain things. I have some older equipment that I will hopefully be able to get to do some work on and a lot of it is because of You and a select few others on U-Tube. Thank-you!!!

@vintageaudioaddict 2 жыл бұрын

Your welcome, Bob. Thank you for sharing and putting things into perspective. You could purchase a lot of goods for the cost of one 10B back in the day.

@apexmcboob5161 2 жыл бұрын

I've been looking for a 10B for ages. They are scarce! Thanks for the look at yours. Wise to caution everyone about cleaning the glass. I used windex on one of my early restorations and promptly wiped all the lettering off. So. on the next one I just used warm water with a tiny bit of dish detergent. I thought I'd just let it soak for a bit to take some of the stains off. WRONG AGAIN! This one used a water transfer decal which just about dissolved in the few seconds of immersion. :-(( I have OCD as far as lettered panels go now; I presume everything is lettered with water soluble ink until I am certain otherwise. Fortunately I haven't been surprised since.

@vintageaudioaddict 2 жыл бұрын

Your welcome. Thanks for watching. Yes, you have to be careful with liquid especially on the older glass. You never know for sure what the result will be when they get wet. In this case with the 10B I thought I'd rather have a few specks of dust left then take the chance.

@danknox9986 2 жыл бұрын

I did the same thing! I then made my own panel which was really ugly!!!!

@ppmnox 2 жыл бұрын

Of truly interesting youtube videos, this is easily in my top 10. I can't say a big enough thanks for bringing this knowledge and history to those of us who appreciate vintage audio.

@vintageaudioaddict 2 жыл бұрын

Glad you enjoyed it! Thank you so much for your kind words.

@MrDoneboy 2 жыл бұрын

Thanks so much for posting this, Chris!

@vintageaudioaddict 2 жыл бұрын

My pleasure! Thank you for watching.

@MichaelYates 2 жыл бұрын

Excellent job, very well done, looks beautiful

@vintageaudioaddict 2 жыл бұрын

Thank you very much!

@richardmorrow6251 2 жыл бұрын

Very nice tuner! Like always, the way you appreciate the equipment is inspirational! Thank you.

@vintageaudioaddict 2 жыл бұрын

Your welcome. Thank you very much for your kind words.

@johng.9626 2 жыл бұрын

Yes, I use the same black "In rush Limiter" on My Hafler power amps, even my Threshold/Nelson Pass 4000, has a big one , right where power comes in. No thump on switch on, good insurance to preserve yr. electronics.

@vintageaudioaddict 2 жыл бұрын

Thanks for sharing.

@R3TR0R4V3 2 жыл бұрын

Beautiful tuner! Gotta love that scope. 😎

@vintageaudioaddict 2 жыл бұрын

It sure is! Thanks for watching.

@mikes9939 2 жыл бұрын

I just found this site and enjoyed this video immensely. I have liked and subscribed to show my support. I also appreciate older stereo gear as I was into high end audio back in the 1970's and 80's. I will be viewing your other videos soon.

@vintageaudioaddict 2 жыл бұрын

Awesome, thank you!

@harjonoharoen5186 2 жыл бұрын

In my country indonesia marantz is very favourite audio gear.

@vintageaudioaddict 2 жыл бұрын

Thank you for watching!

@raulalvarez5518 2 жыл бұрын

As always, great and very professional videos, Thanks al ot for that, is really amazing the way you set-up your videos.

@vintageaudioaddict 2 жыл бұрын

Thank you very much!

@paulcampise3050 2 жыл бұрын

I own and enjoy having and playing my system which consist of: Marantz 7c, 8b and 10b. I might be spoiled by such iconic vintage analogue wizidary. Turntable VPI Classic, speakers: AR-3a's, Klipsch Heresy 3 & REL subwoofer.

@vintageaudioaddict 2 жыл бұрын

Thanks for sharing.

@walkingrobin9965 2 жыл бұрын

Awesome video

@vintageaudioaddict 2 жыл бұрын

Glad you enjoyed it Thank you for watching.

@maxpower78-15 2 жыл бұрын

Awesome

@vintageaudioaddict 2 жыл бұрын

Thanks!

@AudioElectronicsChicago 2 жыл бұрын

Good story, I enjoyed the video! Masterpiece tuner

@vintageaudioaddict 2 жыл бұрын

Much appreciated! Thanks!

@michellevey9608 2 жыл бұрын

There's currently one for sale on Ebay that says serviced by Richard Modaffer. It has the same Dole sticker. Just an FYI.

@vintageaudioaddict 2 жыл бұрын

Man that's interesting. Thanks so much for the info. Seems like more then coincidence that my RM on a dole sticker would be repeated on another 10B? Once again thanks for the info I'll do some research and see if that was how Richard signed his work.

@ericschleppegrell4467 Жыл бұрын

Your premise is interesting. Non-degreed people like myself build companies and degreed people work for us. I end up holding their hand more often than I like. I have nothing against folks that get degrees, but don't think it puts a chip on your shoulder in ANY way.

@rocket625 2 жыл бұрын

nice vid good story

@vintageaudioaddict 2 жыл бұрын

Glad you enjoyed it. Thanks for watching.

@NateEll 2 жыл бұрын

Dole sticker- it’s clear who worked on this tuner- Rich Modaferri- the original designer of the McIntosh MR-78. Nice man, knows his stuff.

@vintageaudioaddict 2 жыл бұрын

Indeed. I didn't know that until I got some comments about the video. Thanks for watching.

@NateEll 2 жыл бұрын

@@vintageaudioaddict - my pleasure! The sticker is Rich’s trademark so to speak. He did some work for me last year and we chatted a bit. Super nice guy. The irony is he lives just minutes from where I went to college. As far as tuners, I have an MR78 and marantz’s next tuner after the 10b, the 20 which at the time Marantz labeled the solid state version of the 10b. Both are quite nice but they don’t sound alike As far as I’m concerned an oscilloscope is the best way to dial in tuning and antenna orientation

@timothypreseau8741 Жыл бұрын

$650 in 1964 is equivalent in purchasing power to about $6,248.64 today, an increase of $5,598.64 over 58 years. The dollar had an average inflation rate of 3.98% per year between 1964 and today, producing a cumulative price increase of 861.33%.

@maunakea7992 2 жыл бұрын

I had the pleasure of owning Marantz 2238 model nice and incredible had it until 03 don’t know what happened to it my dad gave it away I think I think I might get one of these back maybe the 2285 model

@vintageaudioaddict 2 жыл бұрын

Thanks for sharing. Pretty much any Marantz audio products made from the 60's through the 70's was top notch gear.

@teekay_1 2 жыл бұрын

Beautiful piece of equipment. I have a later Marantz 125B that works amazingly well, and probably needs an alignment, but I probably won't touch it. And to be fair, very little of the working HiFi gear of the era is 100% original in 2021. I've worked on many receivers, integrated amps and preamps and the work ranges from a recap with modern caps (which are more stable and consistent), to replacing output transistors that have blown by a careless previous owner. So if you want working gear, it will be touched by other people before you. In fact, with some of this older gear, you'll ruin it if it's not fixed before you turn it on. BTW, $600 in '64 was worth roughly 9x as much today. So that's a $5K tuner. When you see that McIntosh amp for $7K today, it makes perfect sense.

@vintageaudioaddict 2 жыл бұрын

Thanks for watching. Yes, almost all of the older equipment needs some attention at this point. With that being said I wouldn't be surprised if this Marantz 10B makes it to it's 100th birthday.

@gli7utubeo 2 жыл бұрын

I used to love my AR tuner (in the AR Receiver).

@vintageaudioaddict 2 жыл бұрын

AR made some good gear back in the day.

@gli7utubeo 2 жыл бұрын

@@vintageaudioaddict Thanks.

@TSUTENKAKU007 2 жыл бұрын

Tuners are not outdated. What makes tuner being outdated (at least to me) is the types of songs FM stations are playing these days. I grew up in the 50s and 60s mainly and accustomed to be listening to musics from those era. But now, what I hear (at least in my area) is mostly gang musics, hip-hops, some discos here and there. There is not even one station playing good, old 50s or 60s or even early 70s tunes. This is what makes tuner to be used less and less by folks like me. It is truly a sad trend.

@vintageaudioaddict 2 жыл бұрын

There's not nearly as much FM programing that interests me in my area either now a days either. The times and tastes have changed. I can remember listening to Eric Clapton, Led Zeppelin and that type of music growing up. I'd go in the garage and my stepfather would be listening to Tony Bennett or something like that. I was thinking how can you be listening to that stuff. I'm sure he was thinking the same thing, LOL.

@rd.7732 2 жыл бұрын

That is Richard Modaferri of Audio Classics..RM just did mine #188 He is the best as far as I'm concerned RM designed the McIntosh MR78

@vintageaudioaddict 2 жыл бұрын

Thanks for sharing.

@jasons4444 2 жыл бұрын

Hi, I really appreciate all your videos. It's easy to tell that you have a lot of appreciation for these pieces of equipment. I have a request for a video that I, and I'm sure many others would greatly appreciate. After searching endlessly for a very detailed video on how to properly calibrate some of these types of equipment. For myself it would be specifically on a Pioneer RT-707 that I'm restoring. I have the proper test tapes on order from MRL, but a good tutorial on the proper way to calibrate this tape deck would be great. Could you do one? Possibly? Maybe? 1 other question. Could you suggest a few reasonably priced audio analyzers please? I know they aren't cheap, but which ones should I look for that would be used strictly for late 60's, 70's, early 80's, vintage gear? Thanks for any help you could throw our way. Please keep making videos man. Anthony

@vintageaudioaddict 2 жыл бұрын

First of all thanks for watching! Thanks for the suggestion. That is something I can put on my list for the future. I use a Sound Technology 1510A from the 1980's for tape deck testing and calibration. You don't have to have a piece of test equipment like this but it makes setting up a deck much easier. You can see the ST-1510A in action in this video kzfaq.info/get/bejne/b9OarKahl7epoZs.html . It not specifically what you looking for but it does show the steps of testing a tape unit.

@anthonymuriello3256 2 жыл бұрын

Yes

@vintageaudioaddict 2 жыл бұрын

Thanks for watching.

@Giblet535 2 жыл бұрын

I have the Hickok TV 3 B/U military tester. Portable and Haze Gray! The part you *can't* get is a "compensating capacitor". Those were often custom made for a given chassis. I'd love to hear how you deal with those other than throwing a 100nF cap in and see if it works.

@vintageaudioaddict 2 жыл бұрын

Thanks for commenting. You have a nice tester. Fortunately many of the parts are available for old electronics but as you said there are some that just are not available. In that case you either find someone who has had the same issue or experiment yourself to find a solution.

@chrisblock6697 2 жыл бұрын

I see the article in Vacuum Tube Valley was written by Mike Zucarro based in San Diego at the time. I recently had my Mac tube equipment serviced by a Mike Zucarro in San Diego… must be the same guy?

@vintageaudioaddict 2 жыл бұрын

I'm not 100% sure but it certainly sounds like it's the same guy with it being the same name and the same city. Thanks for watching.

@andershammer9307 2 жыл бұрын

I have one I found in a box in a record store. I got it to work pretty well but haven't used it in awhile. It may need some caps. I didn't know you could use vactrols in it.

@vintageaudioaddict 2 жыл бұрын

Wow! What a find! She's one of the best tuners ever produced.

@Technical_Audio 2 жыл бұрын

Thank you for your interesting videos. I wonder if you might help me, and other 10B owners with this common problem. I have a nice-looking 10B that I am about to refurbish. I see that Modaffieri installed opto-switches from Vactec/Vactrol to replace the original mystery cans that so often fail. All of mine are bad. Looking at your video I can barely see the part number “VTL5C1” on one unit but the others are blurry or reversed, with label side down. It appears that the three original cans were replaced with 5 Vactec parts. Would you be so kind as to take a look at your 5 Vactec parts and share with us the part numbers for each location? Thank you in advance.

@vintageaudioaddict 2 жыл бұрын

Your welcome. My 10B is all reassembled and in use. Unfortunately, I don't have any other pictures or video that are any clearer then the video here on KZfaq. You can probably find the information that you are looking for with a google search. Many 10B's have been restored over the years and there are probably articles with the information that you are looking for.

@Technical_Audio 2 жыл бұрын

@@vintageaudioaddict I understand. Thanks.

@pantherplatform 2 жыл бұрын

I gotta 2220B in a cabinet bought new in 75

@vintageaudioaddict 2 жыл бұрын

Very cool! It's nice when you still have your audio equipment from years ago. I also have some of my original equipment that I purchased in the 70's. I wish I had all of it still.

@smithderf 2 жыл бұрын

Great restoration but...... the frequency scale is not level in the window.

@vintageaudioaddict 2 жыл бұрын

Thanks for watching.

@LesGrossman69 2 жыл бұрын

Would you be interested in restoring my Rotel 1412 integrated amp and making a video of it for your channel?

@vintageaudioaddict 2 жыл бұрын

Thank you for the offer and I'd love to work on a 1412 but I'm not a professional. I'm only a hobbyist so I only work on my own equipment.

@kevinhurley7846 2 жыл бұрын

Just bought a marantz 500 haven't turned it on yet

@vintageaudioaddict 2 жыл бұрын

Nice Amp! I've only seen pictures of them.

@kevinhurley7846 2 жыл бұрын

@@vintageaudioaddict it is a hobby for me I just like collecting. I have 5 marantz 4400. At sometime I would like to learn how to repair them I bought some equipment to do that. But right now I am remodeling my condo. I have a good year left on that project. I love watching your channel.

@metalbill 2 жыл бұрын

It's just a shame that there's nothing on commercial radio to listen to anymore. Seems like a waste of a good tuner.

@vintageaudioaddict 2 жыл бұрын

Yes, it is. Years ago I had many high quality FM stations in my area.

@dougg1075 2 жыл бұрын

5,857 dollars in todays money.

@vintageaudioaddict 2 жыл бұрын

Yup, big bucks.

@austinlibby7025 2 жыл бұрын

Wrong wrong wrong Sequoia the Killer in an FM tuner for the time

@vintageaudioaddict 2 жыл бұрын

Both fine tuners. Thanks for watching.

@NateEll 2 жыл бұрын

Dick Sequerra’s tuner came after the 10b

@richardweinberger2756 2 жыл бұрын

No degree in electronics? Reminds me of Elon Musk.

@vintageaudioaddict 2 жыл бұрын

There certainly are a lot of smart people without degrees. Thanks for watching!

@stizuart 2 жыл бұрын

yeah, but these guys actually designed the thing they are associated with. Not only that, they probably even held a soldering iron for an hour or two. Here's a protip, if you hate Edison for what he did to Tesla, you should look further into what Musk actually does at his desk.

@raulalvarez5518 2 жыл бұрын

As always, great and very professional videos, Thanks al ot for that, is really amazing the way you set-up your videos.

@vintageaudioaddict 2 жыл бұрын

Thank you very much! I appreciate your kind words.

@raulalvarez5518 2 жыл бұрын

honor whom honor deserv Bests Regards