SCIBER AMPLOI Amplifier Review

[FrenchFan]

Get a pair of Topping B100 instead ) SOTA amp
Found a pair @ 500€ brand new

Very good advice , Thank

 

[capslock]

Great!

This is exactly what I want; I don't need
a lot of power (10 watts max).

I'm sure I'll build this thing myself, but
with a linear power supply, it's simpler, and the
CMRR of the LM3886 is 85 < 115 dB, so we should be able to
do something.

CMRR will be much better than LM3886 alone because it is determined by the combined open loop gain of the two.

 

[capslock]

Very good advice , Thank

Watch out. The B100, at least early revisions, would cut out at about 10 W. I even had one die on me (it went into irreversible protection). There is a thread here on this.

 

[Ropeburn]

Guys, we're all talking about the price and find it bad enough ourselves, but if this is really intended for the Russian market, then consider that the average wage is around 1000$. Median is less.

Take your wage times five, or eight even, and you'll see how LUDICROUS the price is for Russians. What's the target audience? ;

 

[FrenchFan]

CMRR will be much better than LM3886 alone because it is determined by the combined open loop gain of the two.

Yes of course , i see only the LM for my approch

 

[FrenchFan]

Watch out. The B100, at least early revisions, would cut out at about 10 W. I even had one die on me (it went into irreversible protection). There is a thread here on this.

Well seen, I'll look on the NET

 

[Fleuch]

IF there was nearly $5k in my bank account it would be wiser to spend it on a Benchmark AHB2 amplifier and pair it with another Benchmark product!

This would be almost audio heaven, based on ASR measurements, compared to a more expensive "just so" amplifier.

By the way, how do the LM 3886 chips find a way into the Sciber domain??

 

[Mnyb]

Fine performance.

Low on power and expensive .

You need more power for modern low sensitivity speakers

 

[Yevhen]

Given the open-loop gain, which ranges between 90 and 115 dB
which strongly influences THD and THD+N, they must have purchased
a large quantity of LM3386s and matched their gain and distortion.

Taking into account a very low distortion at 15kHz, I tend to think that he's using an additional error-compensating opamp in front of LM3886 to get a better open-loop gain in the system. The same as Neurochrome does

 

[FrenchFan]

Taking into account a very low distortion at 15kHz, I tend to think that he's using an additional error-compensating opamp in front of LM3886 to get a better open-loop gain in the system. The same as Neurochrome does

I'm not sure.

Amir's measurements are very close to the specs of the LM alone,
especially regarding the noise, which
seems high to me. The distortion is well controlled, however.

Compared to the specs of Neurochrome's LM3886.

https://cdn.shopify.com/s/files/1/0036/4960/1606/files/LM3886DR_R1p2_Datasheet.pdf?v=1743372354

But hey, maybe.

 

[Cogito]

For $4,900 US, my money would be much better spent elsewhere. It's price/performance ratio makes it a poor choice IMHO. Maybe something like Peachtree's Carina X @ $2,399, using Hypex NCore X amp modules.

​

 

[RickS]

Greetings fellow ASR members!

Have had some reports of political posts in this thread and Amir has addressed some earlier but have removed some later ones.

Thanks to all who have avoided political interjection into their posts and please focus on the audio aspects here.

 

[Yevhen]

I'm not sure.

Amir's measurements are very close to the specs of the LM alone,
especially regarding the noise, which
seems high to me. The distortion is well controlled, however.

Compared to the specs of Neurochrome's LM3886.

https://cdn.shopify.com/s/files/1/0036/4960/1606/files/LM3886DR_R1p2_Datasheet.pdf?v=1743372354

But hey, maybe.

If there's a bare LM3886 (no additional THD correction) then the whole marketing approach looks disrespectful to me. Putting a $5k tag on the amp with $3 chips in it... Better get Neurochrome

 

[DanielT]

Take your wage times five, or eight even, and you'll see how LUDICROUS the price is for Russians. What's the target audience? ;

You know what the target audience, buyers in Russia is.

In any case, a ridiculous amount of money in relation to the little power you get. As pointed out by many. Maybe by you too, in which case I missed it.
(that said, there are much worse examples of expensive watts, think SET 300B tube amps....with high distortion as icing on the cake)
____
Despite my slightly sour tone earlier, no offense to you Amir. You have done a good evaluation/test of this amplifier.
I'm trying my best to only look at the test of this amp, the technical aspects + its price , and nothing else around it. Not easy but I'm doing my best.

 

[Birdy]

Maybe a dumb question but anyway, would a SCIBER AMPLOI amp ($ 5K make a audible difference to a Douk A5 for $50 ? More or less same power with 36v PS!

 

[Ropeburn]

Maybe a dumb question but anyway, would a SCIBER AMPLOI amp ($ 5K make a audible difference to a Douk A5 for $50 ? More or less same power with 36v PS!

Not a dumb question at all, infact one of the most important ones today.

According to the sum of blind testing results of the past: unlikely. If any, very little.

 

[AudioSceptic]

Don't Chord Electronics do something similar? I seem to remember the original issue '1200' power amp from the late 90s (in black 'breezeblock' livery and brass name plaque) having a switching supply...

Forgot about those: the SPM1200, 2004 I think. 315 W/8 Ω!

 

[PristineSound]

Specific to this amp tested, no thanks. There are no shortages of amplifiers that is on par or out performs this and costs much less.

No one in their right mind should consider this amp given the existence of the Benchmark AHB2, along with other class AB amps.

 

[Mart68]

Good engineering but another bland, black box. If I spent five grand on an amp I at least want it to look like it cost a few quid.

 

[jkasch]

I'm still looking for the Sovteks.