Restoration class H professional power amplifier // Restore huge sound amplifier
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- čas přidán 13. 11. 2023
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Restoration class H professional power amplifier // Restore huge sound amplifier
#mr_electricity #restoration #amplifier
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I was employed as a commercial audio technician for several years.
There are many repair/restoration methods that I would love to help this guy with. Nevertheless, I give my admiration for his effort and willingness to expose himself to the scrutiny of the world of repair technicians. The honest truth: we can ALL learn something from every technician out there! 😊
Keep the comments coming. 👍
At the end of the repair if it works/functions as designed. Doesn’t it really matter whose knowledge of repair is better…(?)
@@Rangerthelonewolf isn't efficiency always a consideration?
@@rillloudmother sure. Most for companies. Time is money. But as a hobby. Meh a person can do/learn at their own pace.
In my youth, working at the Audio Room in Peterborough, Ontario, I've rebuilt a lot of power amps and several receivers and not once have I discarded only one power supply capacitor. They all go and any other cap that has a bulge for starters. I was actually surprised that there were no burnt up traces with an amp of that stature.
I've done several Brystons, a few Haflers, a Phase Linear D-400 and, my favorite one of all, a Dynaco 410 that pooped its pants BIG TIME!!!!
Took several weeks getting parts and fixing her up, but when it was done I took her home to my room and gave her the beans!!
Ted Nugent and Cat Scratch Fever was all it took to blow the baskets out of my EPS-100s and it didn't even break a sweat..lol
Baskets were replaced under warranty and that amp went on to party hardy for many years. It actually warped my stand because it was so heavy.
- "Какие замеры ты делаешь ?"
- "Да от балды тестером везде тыкаю в разных режимах .. Зачем мне замеры ..."
Слушай, а зачем и чем он платы чистит ?
@@RigasRadioRupnica вэдэшкой, лол
@@RigasRadioRupnicaБензин
русские и тут успели......
HI 👋🤠 guys; I have repaired electonic equipment since 1970, And Trust me, The Crest amp WILL give you about 1000
só um profissional capacitado para realizar esse tipo de serviço. Parabéns!!!
Great work mate
I'm glad I no longer need to do commercial repair work. I like to take my time and make everything pretty instead of hustling to get the maximum amount of work turned out in a day. Now I just build or repair for myself. So I take my time, thoroughly clean everything, bend all the leads perfectly, and solder everything so it's not just functional, but pretty. Everything looks and sounds the same on the outside, but everything looks really nice, better than new on the inside, and I know it. The electrons don't care, but I do.
Same man 😅
that is wonderful. i really am staring to appreciate this skill.... wishing i had it, but not sure where i would start. :) all the old things are made so well too!
Dzień dobry! Też lubię naprawiać stare audio i poprawiać wygląd wnętrza. Układać równo przewody i poprawiać fabryczne lutowanie. Koledzy mówią że sprzęt ma działać a nie wyglądać, ale to taka moja terapia. Z Bogiem!
@@chinmeysway Just go to a garage sale, or a junk market and pick up any old equipment that you like and take it apart, and learn. Or maybe you already have some defunct device stored somewhere in the basement and forgotten.
Actually the electrons DO care. It is called high reliability soldering instead of what I just watched.
Bravo good work!
Mantap oom
Parabéns! Que restauração top! Dá gosto de ver! Excelente AMP.
jgf-у-меня-инфа как-открыть-порталчик-портал-с-помощью-сабов-наибольшее-нз-нз-нз-нз-нз-нз-🤗🤗🤗🤗🤗🤗🤗🤗🤗🤗🤗🤗🤗🤗-jwjfj
Great amps for running PA subwoofers.
bütün parçalarını nerdeyse değiştirdin ya helal olsun tebrik ederim
Усилитель был рабочий.
Thats not a genuine Crest Audio amplifier....
Genuine Crest Audio amplifiers are made in the USA, and they dont make a CA20 model....
Can clearly see by the internals, that its a chinese fake copy amp...
(ive worked on MANY genuine Crest Audio amps over the years, So know the internals very well)
Hmmm it dosent matter if it's a real or fake model, the work he did is awesome
Глобально и очень обстоятельно!!! Респект!!!
Maravilhoso trabalho do começo ao fim!!!!!!!!!!
🇧🇩🇧🇩 Very nice 👍👍
Парень, да ты весь усилитель по новой собрал! Молодец!
darun dada
I worked as a commercial audio technician for several years and have encountered many repair and restoration techniques that I would love to share with him. Despite this, I genuinely admire his effort and bravery in subjecting himself to the scrutiny of the repair technician community. The honest truth is that we can all learn something from every technician out there!
Keep the comments coming.
16
Feedback
exelente
Ini pinter sekali
Bạn này ở VN, thấy sài keo 502 với ổ căm LIOA, bạn làm rất chuyên nghiệp ngưỡng mộ bạn
Уровень мастерства поражает
Thợ giỏi thế.👍
Самое главное стрелочный тестер купить. И любые ремонты по плечу :)
BONJOUR
VOUS ETES UN GRAND MAGICIEN
His dexterity manouvering that honking great soldering gun into tight spaces without melting everything in sight was impressive!! He's obviously done many of these rebuilds so knows what typically fails and measurements to expect. That allows rapid progress without going down false rabbit holes.
He was thorough to check for tin whiskers and foil shorts.
nice job wish i knew that stuff
Руководство по ремонту усилителей) разбираете с умным видом на составные части, тычете наугад тестером, паяльником, собираете соблюдая асмр и - профит, если не заработало значит вид был не слишком умным)
главное дело в покраске, если корпус не помыть в тазике и не покрасить - не заработает!
Bạn làm rất gọn gàng và chính xác cao.
It certainly looks good.
کارت خیلی زیبا و قشنگ بود
خوشم اومد
bom trabalho
Te felicito por esa buena reparación, saludos cordiales,
México.
Saya tertarik sama power power nya..
Muy buena la reparación quedo como nuevo mis respeto
喜欢你的视频
Vai tumer video onek Valo lagi
Wow😮
Boa noite a todos fi cou zerada parabéns muito proficional
Mis respetos hermano por tu inteligencia y pasciencia! Dios te bendiga mucho te mando un abrazo desde Monterrey México departe de Fredy Amézquita!
Espectacular reparación! Felicidades!
this kind of repair can be done with analogy and digital tester,but it all depends on what wrong with the amplifier
this kind of repair can be done with analogy and digital tester,but it all depends on what wrong with the amplifier
this kind of repair can be done with analogy and digital tester,but it all depends on what wrong with the amplifier
Kudos to all the engineers who designed this amplifier, this isn't lego!
Buat saya aja bang lumayan 😂
СМОТРЮ МНОГО ПО ВОССТАНОВЛЕНИЮ В ЭТОМ ГАРАЖЕ, А ГДЕ БЕРЁТЕ ЗАПЧАСТИ?
❤🎉xelent work bro🎉🎉
A OUI BRAVO CE LA REPARASOIN SA PEIUE BIEN ICI ON CE DE BOURIY PAS ME ME SA PEUY PA BIEN MRCI
Currently own a Crest 90001. Wish l could have it restored like this. Jolly good job lad👍👍
Is it a kapton tape between transistors and coolers? Washers should have very low thermal resistance, so kapton tape shouldn't be used here. Those old white/transparent washers were better than kapton. Even mica washers will be better.
one side seemed dead.... hmm maybe it was that one with the kapton
Show que perfeiçăo esse deu ttabalho mais uma maquina de guerra a vida ❤❤❤❤❤❤
А вообще не плохо,зная базу элементов электроники…как говорят «на глаз»
Xem đã quá ad ơi ad làm nhiều ca nặng như vậy nhé
Waouh c'est ça j'aime ça
Ремонт дороже усилителя. Моё почтение.
Great recovery ❤
For safety, you should replace all high-capacity capacitors.
Hadir nyimak salam santun power nya mantap 👍
Saan po ang shop nyo ty
ok quá chuẩn
Nice broo...
im watching and like ❤
Congratulations .. very good , excelent you work ..
Удивило что завернули на место всё коррозионные винты которые стояли в усилителе до ремонта. А ведь это копеечные детали. Такая задумка? Или небрежность? Непонятно.
professional work, you are a genius
QUE MARAVILLA,¡ ES UNA DON¡¡¡¡
Very good repair, you must have some ingenuity to fix it
You are the best enginering
Looks like fun - wish there was explanation about why and what is going on
Great work.
Qué líquido o solvente utiliza para limpiar el circuito impreso
I am memorised watching you work my friend.
我认为风扇前面的那些框架应该装有空气过滤器。就像薄泡沫空气过滤器一样。做得好。
The fans actually pull air from inside the unit out, so air filters would not do any good. 🤔🤘🏼✌🏼
It seemed like the fans would pull in air and pass air through those heat-sinks. Also those enclosures are clearly designed for air-filters. @@ronnieparfait
Estamos juntos!!!!!!!!!!!!!!!
Nice job
As a person whom restores vintge hi fi for a hobby, ive never in my life seen anyone test equipment so randomly. I strongly reccomend anyone watching this video or others like it NOT to tey this sort of repair. It is dangerous and those big capacitors if not disscharged can give you a nasty shock and then theres dealing with high voltage. And all those caps would have been worth replacing.
Awesome!!!
Great work sir.
деловой такой...разбирает , неглядя а потом без схемы собирает ..что тут не чисто..
я буду звать тебя капитан-очевидность... а чем и как он "паяет", тебя не смутило? а тыканье "цешкой" в рандомные места, равно как и потрошение с последующей "пересборкой" (если это можно так назвать) плат опять же в рандомных местах? причем наш деловой герой все это делает на кортах и, конечно же, молча))) мля, естественно это махровый фейк! от первого до последнего кадра, за исключением разве что покраски.
на ютубе есть целый класс фейковых видосов про "реставрацию", и это говно упорно подсовывается мне на главную...
Super super super ❤❤❤❤❤
Perfeito ótimo trabalho
Us743❤
Seriously??? Fixing electronics with a soldering gun??!
Not a lot of SMDs on this item, but yeah. More appropriate for roofing, gutters.
ржавые болты говорят про уровень ремонта. эти платы и так не особо крепкие а бу ключи с разных партий и заводов вовсе перечеркивают все вложения. емкость конденсаторов определили по заряду стрелки ну что тут добавить...
Amplificador profissional 😉
Único português
Good good
the audio is cool
Thats some knowledge 👍👍
What a tiny transformer...;-)
Parabéns!
a eletrõnica é muito top.... principalmente o trabalho de quem as pratica .... parabéns
HI 👋🤠 ; I have noticed " Comments from almost EVERY COUNTRY in the WORLD 🌎🌍...It would be nice if the Host Server would provide" MULTILINGUAL " TRANSLATIONS. THAT way EVERYONE would understand the different"Ideas" and work TOGETHER 😎👍
hf-у-меня-инфа как-открыть-порталчик-портал-с-помощью-сабов-наибольшее-нз-нз-нз-нз-нз-нз-🤗🤗🤗🤗🤗🤗🤗🤗🤗🤗🤗🤗🤗🤗-jwj
Great work bro
Big badass amp
Noice 👌
mas o menos la pintura negra... le faltaba otra mano mas porq vi varios loros por ahi...
Gosto muito desses conteúdos sou técnico
Así quiero un técnico sercas de mi domicilio felicidades y de dónde es usted? Yo soy de Monterrey NL México . gracias por compartir
super
Beau travail
💪👍👍👍👍super
If finish it will be unreliable in actual use.look at the solder,remember this a high power amplifier it operates at a high current high voltage even in just half power operation.
unprofessionally soldered
Same next video plz
Do you mean NEXT SAME video?
I wish that there was some running commentary so we can understand the thought process especially on fault finding