Totaldac Amp-1 poweramp debuted at Munich Hi-end 2019

I would like to open a thread on the new Totaldac Amp-1 poweramp on the WBF Amp/Preamp Forum.

Here is its specifications and pricings :
http://www.totaldac.com/amp-1-en.htm




The Amp-1 was debuted at the Munich Hi-end 2019 held earlier this month :
https://www.monoandstereo.com/2019/05/totaldac-world-premiere-of-amp-1.html#more



Despite Amp-1 is the first poweramp of Totaldac, it has received many praises, from both Munich show visitors & reviews/media.
There were 3 sets of Magico M6 loudspeaker at the Munich 2019, paired up with diff amps. Many of the show visitors opined that the M6 driven by Amp-1 gave the best/most musical/most enjoyable performance.

Here is one of the praising professional reviews :
https://www.audiostream.com/content/high-end-munich-2019-totaldac-brings-totalpower-dac-line

I very much hope that the HK Totaldac dealer will get an Amp-1 for demo very soon.
I have full confidence in its performance.
Also, the pricing of Amp-1 is reasonable, considering that its performance is on par with flagship poweramps of other brands which can be 2 or 3 times more expensive!
:D totaldac_amp-1_front.jpg
 
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Comments

totaldac

Industry Expert
Aug 17, 2012
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#42
Mono&stereo has just tested and chosen the Totaldac Amp-1 amplifier as their reference amplifier.
https://www.monoandstereo.com/p/reference-system.html#more

The amplifier installed on the floor between the speakers on this photo:


The d1-driver is also used as reference preamp in this reviewer set-up.
 
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matthias

Active Member
Mar 14, 2019
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#43
Just for clarification:
What are the differences between the d1-driver (gain 1) and a preamp of similar quality.
I know that d1-driver has no volume control and no multiple Inputs.
Thanks

Matt
 

totaldac

Industry Expert
Aug 17, 2012
216
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France
www.totaldac.com
#44
Just for clarification:
What are the differences between the d1-driver (gain 1) and a preamp of similar quality.
I know that d1-driver has no volume control and no multiple Inputs.
The design of the d1-driver was a complete focus on its buffer stage, when many preamps focus first on the volume control first, with versatility of several kinds, the high gain being one of them. Each part in a preamp adds its own sound, even the relays and wires, and at the end you can hear many different added sounds, making it more difficult to listen to.

The d1-driver was designed to prevent the electrical feedback of the speaker from entering back into the DAC. That's the key point. This give the feeling of high control, at all frequencies, not only in bass.

It was also designed to have an almost unmeasurable low noise, which would have been much more difficult, if not impossible, with a traditional preamp. So when you set the DAC volume to maximum the noise in the speaker doesn't increase. It stays as low as when listening to very low level. This gives the required dynamic for symphonic music for example.
 

matthias

Active Member
Mar 14, 2019
120
46
28
Germany
#45
The design of the d1-driver was a complete focus on its buffer stage, when many preamps focus first on the volume control first, with versatility of several kinds, the high gain being one of them. Each part in a preamp adds its own sound, even the relays and wires, and at the end you can hear many different added sounds, making it more difficult to listen to.
The d1-driver was designed to prevent the electrical feedback of the speaker from entering back into the DAC. That's the key point. This give the feeling of high control, at all frequencies, not only in bass.
It was also designed to have an almost unmeasurable low noise, which would have been much more difficult, if not impossible, with a traditional preamp. So when you set the DAC volume to maximum the noise in the speaker doesn't increase. It stays as low as when listening to very low level. This gives the required dynamic for symphonic music for example.
This sounds good, but what shall I do when I need hardware volume control?
Thanks

Matt
 

totaldac

Industry Expert
Aug 17, 2012
216
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125
France
www.totaldac.com
#46
This sounds good, but what shall I do when I need hardware volume control?
Thanks

Matt
The d1-driver is made first for DACs having a good volume control.
All Totaldac DACs have such a volume control.
It is has also been tested several times with success with a MSB Select.

The Amp-1 amplifier has 2 inputs in option. So you can connect the d1-driver at one input, and a turntable + traditional preamp at the other input.
This way you have a traditional turntable system one side, and an optimized digital system the other side.
 
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totaldac

Industry Expert
Aug 17, 2012
216
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France
www.totaldac.com
#48
Thanks,
do you have experiences with Audirvana VC with d1-driver?
Thanks

Matt
Not specific experience, but I met Damien last weekend, he said he uses very good algorythm. Then it depends also on the small signal capability of your DAC.
 

matthias

Active Member
Mar 14, 2019
120
46
28
Germany
#49
Not specific experience, but I met Damien last weekend, he said he uses very good algorythm. Then it depends also on the small signal capability of your DAC.
The problem I see is that I use 99dB sensitivity speakers. So software VC operates with much attenuation where it is lossy.

Matt
 

totaldac

Industry Expert
Aug 17, 2012
216
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France
www.totaldac.com
#50
The problem I see is that I use 99dB sensitivity speakers. So software VC operates with much attenuation where it is lossy.

Matt
With 99dB it would be better to use amplifier with moderate gain and a DAC without too much output voltage.

I use 97dB speakers (d150-anniversary), with the Amp-1 amplifier having a 28dB gain, and it works great with the d1-twelve-mk2 (1.6Vrms output). The dynamic is unique, and no noise.
 

totaldac

Industry Expert
Aug 17, 2012
216
117
125
France
www.totaldac.com
#51
A new photo of the auditorium, with the Amp-1 ready to drive 3 different speakers in the same room:
-Totaldac d150-anniversary
-Magico M6
-Camerton bookshelves

totaldac_d150_magico_M6_4.jpg

http://www.totaldac.com/listening.htm
 
Likes: CKKeung

totaldac

Industry Expert
Aug 17, 2012
216
117
125
France
www.totaldac.com
#52
Likes: CKKeung

CKKeung

Well-Known Member
Jun 18, 2011
1,657
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Hong Kong
#53
79801706_134039431385414_5713963063976132608_n.png

Hello Vincent,
Congratulations!
 

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