Abbas dac 2.1 se

[Nuforce]

I'd certainly like to try one of his triode 6080 DACs at some point but whether it would beat my Acuhorn I don't know.

As an aside I recently took my Acuhorn to a Lampizator dealer to compare. We tried it Vs the Poseidon and again a Pacific 2.

Vs the Poseidon the Acuhorn (with PX4 tubes) was superior.

The Pacific was marginally but audibly superior, as expected given the high cost.

 

[limberpine]

The Pacific was marginally but audibly superior, as expected given the high cost.

What I think is interesting is that Abbas seems to buck the conventional thinking that higher cost = better SQ.

We did a blind A/B, single elimination with a group of 50 people and the Abbas kit dac (~$700) beat out everything. Including a mid level Lampi and a $20k dCS Rossini.

This was on a higher efficiency (98dB) horn system

 

[cal3713]

What I think is interesting is that Abbas seems to buck the conventional thinking that higher cost = better SQ.

We did a blind A/B, single elimination with a group of 50 people and the Abbas kit dac (~$700) beat out everything. Including a mid level Lampi and a $20k dCS Rossini.

This was on a higher efficiency (98dB) horn system

Can you remind me again which kit you've got?

 

[limberpine]

Can you remind me again which kit you've got?

The kit we used in the A/B was a kit with the AD 1865 chip in it.

I have a 2.0 kit, with 6bl7 output, but it's not put together yet.

I also have a 4.0 gold with the PCM-58P chip and the output stage of this DAC is a copy of Kondo's Audio Note SRPP stage, based on matched 6bl7 tubes.

 

[Nuforce]

What I think is interesting is that Abbas seems to buck the conventional thinking that higher cost = better SQ.

We did a blind A/B, single elimination with a group of 50 people and the Abbas kit dac (~$700) beat out everything. Including a mid level Lampi and a $20k dCS Rossini.

This was on a higher efficiency (98dB) horn system

Which Abbas dac was used? You mention a kit, what specs and output stage?

Sounds like a really interesting session.

 

[limberpine]

Which Abbas dac was used? You mention a kit, what specs and output stage?

Sounds like a really interesting session.

The Abbas kit we used in the A/B was a kit with the AD 1865 chip in it. I will have to find out which output stage, I forget.

 

[limberpine]

The Abbas kit we used in the A/B was a kit with the AD 1865 chip in it. I will have to find out which output stage, I forget.

5687 output stage.

 

[Nuforce]

Not a fan of any 9 pin tubes TBH. There is a reason he uses 6080 in his higher end dacs.

Resources: The 6AS7G Power Triode Tube

Extremely high linearity tube with low filament requirements capable of extremely high transconductance. Best for OTL amplifiers.

www.atma-sphere.com

Great article on the benefits of the 6AS7/6080.

 

[Nuforce]

Anyone got any more info on the PSYCHE Signature dac?