The Worlds Most Powerful SET Stereo Amplifier - Aries Cerat Diana Forte

Believe High Fidelity · Apr 25, 2016

Making it's debut at T.H.E Show Newport in room 319 will arguably be the worlds most powerful SET Stereo amplifier. The Diana forte is able to deliver 60W RMS of Class A1 power with up to 75W Peak measured. It is built around the same 813/814 big bottle tubes used in the Concero 65 and weighs in at a whopping 220lbs! Retail pricing is 27,500 USD

Given the fan base and the price tag it is often requested to bring Ultra High end to a more affordable price point. The Diana Integrated being the most requested model was separated into two chassis The Diana Mezzo (Preamp Section) and the Diana Forte (Power Section). They are improved versions of the Diana with a better preamp and more power and connect via Aries Cerat AC link to create a True 2-Chassis Integrated. You can buy the Preamp section first and as budget allows buy the power section instead of all at once and get a better system in the end.

For all the technical details you can visit the website here

Cheers!

Whatmore · Apr 25, 2016

These guys claim 160W

http://www.synthtopia.com/content/2007/11/15/the-most-powerful-tube-amplifier-ever-built/

bonzo75 · Apr 25, 2016

I heard the Diana integrated with Tune Audio Animas. Excellent system

Believe High Fidelity · Apr 25, 2016

Whatmore said:
These guys claim 160W

http://www.synthtopia.com/content/2007/11/15/the-most-powerful-tube-amplifier-ever-built/

And I am sure they can do it.

Hint: Stereo is the key word of the day

Believe High Fidelity · Apr 25, 2016

Did you ever end up getting the Animas?

bonzo75 · Apr 25, 2016

Believe High Fidelity said:
Did you ever end up getting the Animas?

No, excellent speaker though. Requires a big wide room.

ddk · Apr 25, 2016

Believe High Fidelity said:
Making it's debut at T.H.E Show Newport in room 319 will arguably be the worlds most powerful SET Stereo amplifier. The Diana forte is able to deliver 60W RMS of Class A1 power with up to 75W Peak measured. It is built around the same 813/814 big bottle tubes used in the Concero 65 and weighs in at a whopping 220lbs! Retail pricing is 27,500 USD

Given the fan base and the price tag it is often requested to bring Ultra High end to a more affordable price point. The Diana Integrated being the most requested model was separated into two chassis The Diana Mezzo (Preamp Section) and the Diana Forte (Power Section). They are improved versions of the Diana with a better preamp and more power and connect via Aries Cerat AC link to create a True 2-Chassis Integrated. You can buy the Preamp section first and as budget allows buy the power section instead of all at once and get a better system in the end.

Cheers!

It does hit a sweet spot in the market today, should be a great product!

As for the power claims of the other other brand, I just don't see how its possible in a SET design from a s single tube, mono or stereo

!

david

Whatmore · Apr 25, 2016

Believe High Fidelity said:
And I am sure they can do it.

Hint: Stereo is the key word of the day

?? Don't understand

Believe High Fidelity · Apr 25, 2016

Whatmore said:
?? Don't understand

Your link was for a Monoblock amplifier. This is a stereo amp

Believe High Fidelity · Apr 25, 2016

ddk said:
It does hit a sweet spot in the market today, should be a great product!

As for the power claims of the other other brand, I just don't see how its possible in a SET design from a s single tube, mono or stereo !

david

I stopped asking Stavros the "How" question because it ends up in a 8 hour ramble

JackD201 · Apr 25, 2016

I guess he means not mono blocks. Then again Diana is a parallel design so if we take parallel as the other key word then that might be another story. Typically when people say SET they mean non parallel and non bridged. An example of a SE bridged amp is the BAT VK-75. When bridged-parallel 'd it turns into one channel of a mono pair. I guess the last key word is "arguably".

Whatmore · Apr 25, 2016

Believe High Fidelity said:
Your link was for a Monoblock amplifier. This is a stereo amp

Got it now. Sorry I'm a bit slow today! My bad

Believe High Fidelity · Apr 25, 2016

JackD201 said:
I guess he means not mono blocks. Then again Diana is a parallel design so if we take parallel as the other key word then that might be another story. Typically when people say SET they mean non parallel and non bridged. An example of a SE bridged amp is the BAT VK-75. When bridged-parallel 'd it turns into one channel of a mono pair. I guess the last key word is "arguably".

Glad you picked up on that. :thumbs up:

KeithR · Apr 25, 2016

at what distortion levels if you don't mind me asking?

Believe High Fidelity · Apr 25, 2016

KeithR said:
at what distortion levels if you don't mind me asking?

Good question. I will have to report back with some figures and specs I am still waiting on.

Aries Cerat · Apr 25, 2016

Hello gents.

Thank you for the feedback.
The word ''arguably'' is mentioned as no-one has a clear sight of the whole market.You never know what comes around the corner

Single ended and balanced single ended(bridged single ended) is not comparable.Apples and oranges.

An output stage can be single ended regardless of the number of active devices in parallel.The number of active devices is not what defines the @single@ in single ended

A transistor amp can be single ended,with only one or ten transistors in parallel.Same for tube stages.

Parallel SE is SE.Bridged SE is not,kind of oxymoron.The Forte can deliver 220W if bridged,but the question is,why do you want to do that?

Figure distortions is a tricky thing,as a manufacturer can easily trick them.Measurements and statistics is a nice way to lie as they say.

An example,if you fine-tune the bias of the driver and output stages carefully, you can tune them to present 2nd harmonic cancellation,you may end up with lower overall distortion,but user can find another setting better sounding..to each it's own.

Example two.An GE 814 has 25-50% lower distortion but does not sound as good as the RCAs.Do i ship with GE or RCA?

Example three.With a higher bias (Class A12) you can hit 75W @ 5% and 60W @1%.
A lower bias setting (60W @4% ) sounds overall better with lower 3rd-5th-7th harm.
Which one you choose?

cheers
Stavros

Zero000 · Apr 25, 2016

Obviously not the world's most powerful SET.

Not even arguably.

Or is there some warped, oddball argument?

All ears are open and waiting...

Believe High Fidelity · Apr 25, 2016

User211 said:
Obviously not the world's most powerful SET.

Not even arguably.

Or is there some warped, oddball argument?

All ears are open and waiting...

For what?

flyer · Apr 26, 2016

Anyway, even if the Mezzo line would only be a faint brother (which I am sure it is not) of the Impera II preamp (which I have in my audition centre), the quality must still be excellent!

Zero000 · Apr 26, 2016

Believe High Fidelity said:
For what?

I just noticed your stereo amp qualification... in which case I am not currently aware of anything providing more. Google might find something though I suspect you have been there and done that.

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