Hi, everyone! This is LOUD SOUND.
This is our new section - Amp Battle.
And to help me, here is the unfinished - yet - LOUD SOUND KZ-13 stand.
This has no connection to AZ-13.
This is connected to either Kuzya or to KraZy.
Which basically is the same thing.
Today, we're testing Machete 1500 and SWAT MDX-15.
Both amps have the claim of 1.5 kW at 1 Ohm
and 1 kW at 2 Ohms.
Both amps are D-class.
Both amps cost about the same, around 10,000 rubles.
The KZ-13 stand. What's so unique about it?
Why did I say in the previous video that it's the first in the world so far?
Let's go one by one.
To visualize the power response of the amps, here is the monoblock PC.
This is a full-swing personal computer fitted in the body of monitor.
To conduct the measurement, we're using SPL Lab's Next LCD.
It allows you to do the measuring with two detectors at a time
off two devices at once.
And we'd like to thank the SPL Lab's crew. They've developed this ergonomic interface for us.
Here, we can select the figures we need. We can set it to reflect just the power.
We can keep the power alongside the voltage, electric current and the impedance.
Or we can have all of the figures on at once.
To generate signal, we can use any head unit or tone generator,
a cellphone, a car radio - anything. In this particular case we're using a cellphone.
To regulate the strength of the signal smoothly, we use these Deaf Bonce signal regulators.
So we can make it smooth.
And, right away, this SPL Lab is drawing a sine here.
We can turn it up until the signal clips.
A bit back. And we'll see the pure power.
One of the greatest inconveniences in testing amps
has always been the necessity to change the impedance setting really fast.
For that, you'd need to unplug the acoustic wires, re-arrange the resistors we use for testing.
On this stand, we use these switches for that. They enable us to change the amps' resistance.
I'll show it to you now.
At the moment, both amps are working at the load of 4 Ohms
And now, Kuzya will click the switch.
And now the amps are working at 2 Ohms.
Not all resistance options have been enabled yet
At the moment, we're using eight counts of what we call cucumbers,
2 kW each.
Each one has the resistance of 8 Ohms
which makes it possible for us to shoot at two by 2 Ohms,
two by 4 Ohms. We can't use it to shoot two at 1 Ohm simultaneously yet.
But we're expecting more resistance.
When those arrive we'll have enough resistance to shoot even 8 channels, 4 Ohms each.
And lower, each at 2 Ohms, etc.
So we'll be able to supply any load to up to 8 channels.
Also look at the lithium. We have 700 A/h hre.
Four cans, 3.5 V each,
supported by a power unit of 100 A.
We also have another power unit like that in case we lack the power.
Each and every indicator, including the temperature, is here at the front panel
These two indicate the body temperature, next, we see the input voltage of each amp,
so that we see which one consumes how much power.
And the voltage on each lithium unit.
so that we can monitor it and prevent the speed-up
because when re-chargin lithium, ne of them might do this tricky thing.
We call it a boobie.
To avoid boobs you need to keep track of each unit's voltage.
One switch turns off all the indicators.
The oher one turns off all the amps.
For a more precise result, this SPL Lab allows us to put in more than one loop.
And the program has a multiplier - x10.
We've found out that with low voltage - about 10 and below -
the SPL Lab meter's indication is it not completely precise.
We calibrated these meters using certified control materials, checked, with stamps and stuff.
With this arrangement - 10 loops and the x10 mode on -
the data is correct and corresponds to the checked certified Fluke control materials.
The stand is not 100% finished. There will be a table top made of reinforced black glass.
We're expecting more resistance to come in.
And we've also faced the necessity to mark the 1 and 2 numbers here, here and here.
So that we know for sure which amp gives out which results.
At the moment, it's top-to-bottom, left-to-right.
So, this one is amp 1, this one - amp 2
Meaning the top one's Machete, the bottom one's for the SWAT.
Machete and SWAT here, and these - Machete, SWAT.
Let's check it so that we have no questions left. Let's turn up Machete's power.
Wait, I could see it a moment ago. Like this.
So, here's Machete. Gives out 200 W. Now, twist the gain.
This is it, right?
And we're also watching these figures. Kick it up, okay?
The upper one's losing it.
The upper figures are on. Now, we put it all at zero.
50 Hz. We're twisting both amps at once
until both clip, and then slightly down.
Alphard...
Down.
And SWAT...
No, Alphard's the left one.
Now, Kuzya, move in.
Here's the pure signal.
And pure signal here.
So, ladies and gentlemen! Let me present the first ever simultaneous measuring
of two amps conducted on the LOUD SOUND KZ-13 stand.
We can see it online that Machete is putting out about 900 W,
and the SWAT is putting out about 780 W.
Thus, in a 2 Ohm measuring, Machete wins, officially.
Note the temperature. Machete heated up up to 30°C (86°F). SWAT's still cool.
But its radiator twice the size, too.
We need to say here that it would probably facilitate the cooling.
This was, for sure, the pure signal. Now let's try shooting the max.
One of them might die.
Alphard's up first.
1400 W
And SWAT...
1300 W, and it's making noise.
Let's not trick the fate. I mean, we will but not now.
We've turned on the charger. Let's charge the lithium up. It's gone down a bit.
We were shooting without charging now
Well, we do have a winner. But we'll double check it with better feed.
And with the power supply unit on.
Here are the real figures on the heated up amps.
We can see Machete giving out about 920 W of pure signal.
And SWAT has it at 780 W.
[K]: Nice warm-up.
Note the temp. Machete's 35°C (95°F). That is pretty hot already.
SWAT is barely heating up.
The resistance bars are warm. Let me remind you, each of them can wheather 2 kW.
While they're resting let's leave them on, and we'll switch 'em to 4 Ohms
We'll do it right away so that you can see it happen.
Here is 2 Ohms and 2 Ohms. Kuzya, switch.
Now, we have 4 Ohms. Let's compare the claims.
Let me remind you: SWAT's claim at 4 Ohms is 650 W
Machete claims a bit less - 600 W. It's a safer claim with Machete.
Now, let's see what is the real output at 4 Ohms.
It's in real time. And we can see Machete has a small but still an advantage.
Now let's shoot at 4 Ohms squared.
Meaning full throttle.
920 W... Check out this sync! It's just identical.
The dirty signal result was identical for both amps.
This is a first!
Meanwhile, Machete has gone up to almost 40°C (104°F).
And SWAT is still cool.
Now, we'll let some air in the premises, leave the amps tocool down for a bit,
and them we'll shoot each at 1 Ohm.
So, the moment of truth. SWATaman is about to put out 1 kW.
Maybe even 1.5 Oh, I sound like at a TV show.
Okay, the amps are cooled down. SWAT's hooked up at 1 Ohm.
It's just the SWAT at 1 Ohm 'cuz we lack resistance bars to hook up both.
Anyway, this is a cool stand where you can test two amps simultaneously,
but we can't test two amps simultaneously yet.
We're still waiting for some parts to arrive. So, for now, we'll have to take turns at this.
SWAT @ 1 Ohm. The claim's 1.5 kW. Let's go.
200 W...
300, 400, 500...
600... 700... The power's pure so far. 800... 900... 1 kW of pure power is here.
1.1 kW...
1.2 kW. This is 1 Ohm, guys!
1.3 kW.
1.4... and there comes the clip.
Okay, let me turn it up til a square.
Here's the square. And the pure signal is...
The pure signal is... Well, let's say it's 1.4 kW.
So, Machete @ 1 Ohm. 200 W...
300... 500... 600...
800...
900... The signal's pure so far. Here comes the inclination.
See here? Down a tad. 1,420 W.
Both have survived 4, 2 and 1 Ohm
which is great because these, actually, were quite difficult conditions for them.
Now we're hooking both up at 2 Ohms.
And we'll see which one gives up first.
Yes, this is an original steering wheel from a Lada '13.
Okay, so, a Death Match. One of the amps is to die now.
Or, if it's smart enough, it'll turn to safety mode.
If it's dumb it's most likely to burn.
We're going squared at 2 Ohms. All settings full throttle.
So, both amps are set at max.
And Machete's putting out 1.5 kW. SWAT's out is a bit lower - 1.4 kW.
SWAT started humming, quite audibly.
Wait. Let me take off the mic.
Here's a loss. 13 V. Lithium with the power supply unit are doing well.
Why are you stepping back? You think something's gonna blow?
12.9 V.
1.4 kW has remained on Machete. SWAT's gone down to 1.3 kW.
The block's humming ever louder.
Lithium's down to 12.9. Babies, but they take a lot off it.
26°C (78.8°F) is Machete, 24°C (75.2°F) is SWAT.
1,370 is left on Machete, 1,270 - on SWAT.
I mean, you can see Machete's about 100 W more on the peaks today.
And SWAT, btw, has never stopped humming.
1,350 vs. 1250.
Lithium has 12.7 V left. 1,340 vs. 1,240.
Again, 100 W difference. The power is going down.
Now, this I call a battle, huh? You think the loser's gonna be the lithium?
Well, someone should. It's almost 3 kW going out.
Go try it, Kuzya.
You scared?
[K]: Huh? No, thanks, I'm okay.
What's up?
[K]: Well, they're...
Oh, you're afraid they'll blow up and tear your arm off?
[K]: Nay.
Oh, so, my knees are a better victim, right?
[K]: They won't blow up, but it's...
They're 2 kW each, and we have the total of 3 kW. Why?
The resistance doesn't give a rat's butt. 12.5 vs. 12.6 V is the lithium right now.
And it's the input voltage on the amps.
Gotta say, the amps are quite alike.
This is the first amp of the kind -- The first amp test, right, Kuzya?
I mean, we're lucky these are not 10k amps here. Right?
It would've been a bit freakier.
[K]: Lithium would've been the loser.
You think, lithium?
That's it!
Machete down. SWAT wins. Here it it, still working,
putting out 1,270. And humming like a biatch.
The temp is 34.6°C (94°F). And Machete is red hot. I can't touch it.
The indicator hasn't received the full picture yet.
The indicator is not in the hottest spot on it, too.
But it hurts to touch it.
But we can see the temperature is crucially different with the two.
Whoa! This one's pretty hot, too.
Yeah, Machete has gone to safety. But we will try to restart it.
I'm pretty sure it was temperature-driven fail-safe.
It's gone on. Here, look. It's working again.
And now let's see the power.
So, both amps are working. None of them died.
But we can't have both at 1 Ohm at once, either.
So, conclusions. Both amps are D-class. Machete is better for installs with room lack.
But you will have to take good care of the cooling.
It's slightly more powerful than SWAT, but, due to the size, it's more prone to overheat
which you just witnessed.
As for the pricing, they are not far apart. Both are in stock at loudsound.ru.
Machete 1500 would cost you 10,500 rub and SWAT's, well, 600 rub cheaper.
It's 9,900.
Both are in stock.
I hope you can see my finger in the frame. I'm just bragging that this is a touchscreen.
This is the first ever stand - as I like to mention -
LOUD SOUND KZ-13.
I hope you liked this review, test or crush-test - whatever.
We'll be doing tests this way on a weekly basis.
This is what I've been talking about. Amp testing is dull AF.
I've tried my best to make it informative and entertaining for you.
And the result is... Who wins today?
I mean, I'd say it was a draw. One is bigger, the other one smaller.
One's bit more powerful but it's a bti more expensive, too.
As the total of all the factors, I'd say both amps are great.
If you have little cooling options, better choose SWAT.
If you lack space, get Machete.
If you're 600 rub short - get SWAT.
If you have the money - get Machete.
So, we can hook up the amp in real time, start it, see the pure signal.
Here, we see 920 W vs. 820 W.
And there's a slight inclination on the sine.
And let's go full up again. Bam! Bam!
Ain't no mountin hiiigh enough...
Look, the same 100 W difference.
This one's rattling, you hear it?
Whoosh! One down.
I don't like it's condition. It's cooked. Machete's dying.
Too hot for it.
I really hope you loved this amp testing.
Don't forget to subscribe, like and don't forget we have a new series - LOUD NEWS.
Don't forget the Three S Rule - Subscribe, Share, Seriously.
Bye, everyone. Live LOUD!
I mean, we will, but a bit later.
Your camera is tilted down again!
He's filming like this!
The horizon is a freaking catastrophe there. I fix it every time.
Tigran or Kuzya, the final picture is always bent like this.
What are you filming right now? Those red thingies?
Oh, and the door pretty AF.
[K]: It's okay now.
I mean, man, you're the cameraman. What do you see there? The door?
Take a few steps over here, and there'll only be the wall in the background.
All these things, red, yelow, the doors - they should not be in the frame.
And yet you're shooting 'em.
4-contour cooling! Nice, eh?
Wait, Machete's gonna hold a grudge, and they won't give us sumboofers for the '13!
You stopped recording, didn't you?
We gotta make it so that Machete wins. Capisce, Kuzya?
Wait, don't film it! It's classified.
Turn up Ohms and all of that. Just make sure it doesn't blow up.
No blow up! Capisce? This one must stay whole!
This is the '13's old steering wheel. For sale.
WTF?!
Don't film that. No, this is the real old wheel from the '13.
Forget it.
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