The Sound of Precision: Unveiling the Amplifier Manufacturing Process 

tu as raison

thank you.

yea but the guy @ 10:06 over torqueing and destroying the threads of that fastener.

Amps like that have a lot of large components which are wire-ended. If you did a low power circuit like a computer board you could possibly manage nearly all SMD. I understand most of the work then is setting the machine up for a production run.

As an amplifier designer , I can understand you so well.

wardfiction..."Then at the end of its use, it gets discarded or thrown in landfill" OR it ends up like on eBay and people like me collectors and hoarders bid and buy the retro tech and fill up our storage with these seperates...i even swap and change them out to let other Amplifiers and Cassette decks have a turn

надо учесть, что ещё 30-40 лет назад весь Китай занимался только выращиванием риса и чая, а теперь они снабжают весь мир своей продукцией, качество продукции - разное, но уровень некоторых технологий достаточно высокий. Особенно интересно сочетание нескольких технологических эпох на одном предприятии.

чувствуется совок говной пахнет

thank you.

haha if it fails driving monitors It would not last till the end of techno festival driving main P.A.

@@fran0085 It ran faultlessly for 2 years doing four to five gigs a week. It only cost a few hundred pounds new. If that is not value for money tell me what is ?

well benefits are high power output from very lightweight amplifier, but every digital amp we ever had simply stopper working properly after some time because I rent sound for 80% techno/trance events in Croatia, and digital amps dont like power from generators in combination with that type of load electronic music requires. Now I make my own analog amplifiers but not because I want to play with electronics. These series are specially designed[overengineered] for this workload and they really do the job but weight 30kg/amp@@johnallen8680

Unless the power supply is switchmode, the transformer looks a little undersized for large current swings, but otherwise looks half decent.

if you are lucky this amplifier may work for 10years instad of blowing up after few years of daily service.@@josephchristman578

😆🤣🤣🤣

Google it amazing whats out there .

Yes they really are King of manufacturing worst crap and selling it as good product...no doubt

I COULD ALMOST SWEAR IT SAID Lab Gruppen DF4-1800

@@blacknoob6666 I also vote lab gruppen. inside is almost identical but without dsp and stuff, only power amplifier.

This is an amplifier factory from Japan or Taiwan, please reply

its from guangdong, china.@@mjono1467

Thank you very much for coming all the way to our factory to shoot and edit such a beautiful video This is our factory If you are interested, please contact me

Yes the rack case looks really good, if you remove and throw avay all electronics they put inside you can make very good amplifier into this case.

by a out of use SMT line it will set u back about 50k, but u need process engineers to install it and make u the programs for this

@@valerius39 Thanks alot but seems its quite good long journey but the benefits are impressive.

​@@happymatekenya394indeed a long journey bro

you start making analog amps by hand, with toroidal psu, no smd components inside, you just need to find very good schematic and it will probably work longer than you will be alive.

And it’s not particularly fast. Those are, according to other commenters, 30 year old pick and place (SMD) machines. Newer machines, especially used with smaller components, are way, way faster. As for the through-hole components, that speed had already been achieved by the 1970s at the latest.

@@tookitogo yeah but the old smt machines are for older components ie the Fat capacitors the newer one are designed for miniature components

@@StealthGT40 Every SMD pick and place machine will be slower with large components than with small ones. Nonetheless, modern PNP machines are FAR faster than the ones shown here, for any given component. The fact that we often use smaller components now only adds to the final placing speed.

@@tookitogo There is a serious g-force with a fast machine. I think you need to bolt the thing down, like far worse than poorly loaded washing machine!

@@Andrew-rc3vh That‘s an interesting question! Bolting or weighing down is one way, but another would be some kind of counterweight system. As long as the forces cancel each other out, it‘ll theoretically be stable. (Industrial washers, and a handful of very high end domestic models, do active load balancing by pumping water in and out of chambers built into the wash basket to exactly balance the laundry itself. The domestic models have only had this for maybe a decade, but in the industrial models it’s been around since at least the 1980s, possibly much longer.)

Likely a design copy from a LAB GRUPPEN, which is a well known western brand. This Chinese brand appears to have even partly stolen the name: LAB GREEN. Watch closely in the video, you can spot it on multiple occasions. If you look for LAB GRUPPEN FP10000Q, you can easily spot they've even copied the internal design to a high degree.

Indeed@@Sixta16

if you are lucky this amplifier may work for 10years instead of blowing up after few years of daily service.@@Sixta16

What do you like about this power supply and how do you know that "they are working very good and priciesly.", if you ask how to get one of them it means you doesnt have this amp for at least few years, so you know nothing about it.

Most Flukes are made in China or Malaysia. Some identical models are made in USA, as required by military procurement regulations. Essentially identical - except for the price!

Many testing requirements specifically require using Fluke in final testing measurements.

I guess... It's necessary bcs incase of any particle or tiny object/residue in the chassis assembly might be a thread to the system doing so to avoid short circuit making sure everything is tied in place.💯

@@Kelvinbrook_101 There are two of them. One to probably find soldering faults and loose contacts and one to remove residues from production.

Thank you very much for coming all the way to our factory to shoot and edit such a beautiful video This is our factory If you are interested, please contact me

Как они припаивают компоненты сами прилипают?

@@user-jr4cx4lr7e маунтер на клей их садит. на кждой деталюъе есть маленькая капля. и за счет пасты тоже держатся

@@user-qv4fo6xp2w а дальше я думал в печь суют и олово плавится равномерно везде.

@@user-jr4cx4lr7e да , дальше в печь пайка по термопрофилю

@@user-qv4fo6xp2w угадал я)термопрофиль что такое?