STK8050 PDF

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Build STK equivalent. I've been reading a lot of bad stuff about those and even worse about the modern counterfeit ones you can buy of a lot of sites. He really wants to save his amps and I was wondering if it wouldn't be possible to build an equivalent to the modules circuit with discrete components.

It seems to have been done for other references stk is one of them I believe. Is it possible to just copy the schematic of the internal circuitry of the stk by using discrete components that can handle a lot more to prevent getting the same problems all over again? Hi Depaj, You might be further ahead adapting another chip to work. If they are, buy them and treat the amplifiers a little more nicely.

Failing that, use the chip from one to make the other play again. If he's going to run the amplifiers hard they are not suited to that use at all , then buy amplifiers that can handle it. Yamaha Pro amps are extremely good. If he has his equipment stacked, he can't do that. More if he has it up loud. This is true of all amplifiers. If he really wants loud, then buy a Carver M That will finish his speakers and his hearing.

I think that one is a real wpc. I can't really offer you any better advice. He has to come to understand these amplifiers are not suited to running at high power, and certainly not stacked as the advertising pictures show. The original modules were made by Sanyo apparently but they have been discontinued for a long time and it got almost impossible to get genuine ones. The fake ones tend to fail even with lower bias currents and clamp voltages at moderate volume so I don't think he really runs them very hard but I'm sure he's not looking to buy a new amp.

I know I always advice to give any amplifier some room to breathe and I know for sure he does that as well. A lot of people seem to be trying to save these amps and get confronted with the same problems, wouldn't it be worth the trouble to try and find a solution.

I know these aren't the greatest models but I don't think they deserve to just all be thrown away. See attached pics Might consider replacing current stabiliser transistors with resistors - as seen in last pic.

Hi SVIA seems you kind of like this one None of these seem to be drop in replacements and they are both 2channel devices, there would have to be some serious re-routing on the board right? Also what happens to the clamp voltage adjustment? Is there any guarantee that buying these will get me genuine parts?

Either that, or scrap them. You don't have many options. Don't assume anything that your friend knows or does. Always ask to make sure. There is a reason he has two dead amplifiers.

Design is one because they allow those chips to run pretty warm. The fan is very ineffective as well, blowing directly onto the side of the heat sink.

I'm afraid there is no cheap way out of this. So the question now becomes, how much dies he want to keep those amplifiers? I should of said right away "I know because I asked him", they are on top of a table with nothing above.

There actually isn't any fan in this model, sure you aren't mistaking it for the SU-V4X? Well it would seem he got really attached to them, sometimes you just can't explain it. I might be optimistic here but I really don't see why it wouldn't be possible to rebuild the damn stk with discrete components, I would need the values of the resistors and some equivalents for the transistors, Is it possible for someone more experienced than me to get those with an ltspice model?

Should be perfectly doable i guess. Originally Posted by anatech. BB code is On. Smilies are On. Forum Rules. All times are GMT.

The time now is AM. Resources saved on this page: MySQL User Name. Stay logged in? Mark Forums Read. Solid State Talk all about solid state amplification. Please consider donating to help us continue to serve you. Page 1 of Thread Tools. View Public Profile. Send a private message to Depaj. Find More Posts by Depaj. Send a private message to anatech. Find More Posts by anatech. See attached pics Might consider replacing current stabiliser transistors with resistors - as seen in last pic Attached Images.

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ic stk8050

Discussion in 'Electronic Repair' started by er, Nov 7, Connect with us. Electronics Forums. STK Reply to Thread. Search Forums Recent Posts. Scroll to continue with content.

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So, what's going to happen when I install a replacement STK-8050?

Discussion in ' Solid State ' started by Electone , Nov 2, Log in or Sign up. So, what's going to happen when I install a replacement STK? Messages: Location: London, Ontario, Canada. I'm repairing a Technics SU-V4 for my cousin. He really wants to relive his "youth" and get this amp going again.

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STK8050 Diagram. Datasheet pdf. Equivalent

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