Topping LA90 Review (Integrated Amplifier)

[Enkay25]

41 pages and 820 comments, and only 1 member showed interest for buying this product.


Hmmmmm. Anyway waiting for impressions of this amp in few weeks/a month

 

[TheBatsEar]

41 pages and 820 comments, and only 1 member showed interest for buying this product.

The product was sold out at Audiophonics, which saved me and my budget from yet another impulse buy .

 

[F1308]

41 pages and 820 comments, and only 1 member showed interest for buying this product.


Hmmmmm. Anyway waiting for impressions of this amp in few weeks/a month

Many already bought PA5, and don't think most people go buying everything that is released every week.

And since there is a promised amp delivering more power, most probably we are on standby...to get one at the earliest regardless of already having the PA5, since it is assumed it will be the very pinnacle itself !!!!

 

[xpop]

42 pages and 824 comments, and we still don't know the amplification chips used !
Guessing a TPA3255 with this alim with such a high voltage ?

 

[Bugless]

42 pages and 824 comments, and we still don't know the amplification chips used !
Guessing a TPA3255 with this alim with such a high voltage ?

This is a discrete, A/B class amplifier, not class D. From Amir's review on page 1: "Being class AB design, it has no load dependency."

 

[Enkay25]

Many already bought PA5, and don't think most people go buying everything that is released every week.

And since there is a promised amp delivering more power, most probably we are on standby...to get one at the earliest regardless of already having the PA5, since it is assumed it will be the very pinnacle itself !!!!

For me it’s : twice disappointed.

But still keeping a standby wish. And the PA9 should be worthy - no frills power amp with disruptive performance/price. Hope you are listening @JohnYang1997 .

 

[xpop]

This is a discrete, A/B class amplifier, not class D. From Amir's review on page 1: "Being class AB design, it has no load dependency."

That mean a symmetrical power supply, and we see a 64V DC adaptor. Or it's 2x32V ?
If it is 64V there is two big capacitors in the speaker line output and no way to bridge the output !

 

[infinitesymphony]

How long until similar designs trickle down into an updated version of the Topping MX3, an all-in-one with Bluetooth/USB/optical inputs, DAC, headphone output, and integrated amp w/speaker outputs?

#pareidolia

 

[Zek]

The product was sold out at Audiophonics

That doesn't mean anything, because you don't know how many pieces were in stock (maybe only 3-4 pieces).

 

[DHT 845]

I look forward for subjective reviews from Sandu, Iiwi and so on ...

 

[Bugless]

That mean a symmetrical power supply, and we see a 64V DC adaptor. Or it's 2x32V ?
If it is 64V there is two big capacitors in the speaker line output and no way to bridge the output !

Since we know 100% that this is class A/B, and that it does support a bridged, mono output, what do you think that means?

 

[TonyJZX]

Its amazing to me that one can spend more money on a traditional a/b amp with similar power and people accept it... an example is the Audiolab 6000... or one can dabble in tube or class A amps with very modest power and again, people accept it.

But someone focusses on breaking records with the caveat that it only has 50w and its fairly reasonably priced and the manufacturer gets lambasted for it.

To me this is a first stepping stone to things better. Maybe they will do a 75w next... and then a 120w... small steps. You dont have to buy this.

If this feat were so easy how come conventional manufactuers have not acheieved it yet.

 

[Geert]

But someone focusses on breaking records with the caveat that it only has 50w and its fairly reasonably priced and the manufacturer gets lambasted for it.

Indeed. 42 pages of complaining in 2 days, and technically speaking the device isn't even broken. If someone prefers another set of features or specifications, there is plenty of choice elsewhere.

 

[xpop]

Since we know 100% that this is class A/B, and that it does support a bridged, mono output, what do you think that means?

Hello Bugless, that mean the AC adaptor is 2x32v and it should be mentioned (like Yamaha does for mixing desks). Even with the use of a LM3886 (have a look at the thread "Topping LA90 evaluation and discussion (Integrated Amplifier)")

 

[DualTriode]

This is a discrete, A/B class amplifier, not class D. From Amir's review on page 1: "Being class AB design, it has no load dependency."

Hello All,

We do not know if it is discrete or not.

I suspect a operational-amplifier chip-amp composite structure with loads of feed-back and feed foreword kinds of stuff.

Load dependency is a big Class D shortcoming.

Thanks DT

 

[JeffS7444]

We do not know if it is discrete or not.

I suspect a operational-amplifier chip-amp composite structure with loads of feed-back and feed foreword kinds of stuff.

Load dependency is a big Class D shortcoming.

You've come to the wrong place to air concerns about the use of NFB.

 

[Tremolo]

Its amazing to me that one can spend more money on a traditional a/b amp with similar power and people accept it... an example is the Audiolab 6000...

The Audiolab 6000 for the same price or less has a real preamp with phono imput, a DAC, bluetooth, remote, display, headphone amp and 50W on 8ohm.
The real drawback of this amp is, IMO, that is meant to be too many things (integrated, power, monoblock) but in the end probably it's just the best desktop amp in the world.

 

[rebbiputzmaker]

You've come to the wrong place to air concerns about the use of NFB.

Are you positive that this was a complaint about negative feedback? Negative feedback inside the amp can be positive. Negative feedback about the amp can be negative… or it can be positive, If it’s for a positive not for a negative purpose. You can look at my comment as being negative or positive… but I am positive my intentions are not negative.

 

[dep14]

Seems to be a nice product for someone who uses tower speakers with powered woofers. Could put together a heck of a system on a budget.

 

[pseudoid]

..........Editor's Note...........

Who is Ed.?

I dunno?
"j" = √-1 (like "i")?
"j" = magnetic moment?
"j" = jay? joint?