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Which DACs bypass digital filtering?


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5 hours ago, matthias said:

AFAIK, not only the R1 NOS which is the cheapest AGD DAC but all more expensive AGD DACs too.

 

Matt

 

Thanks Matt. I am keeping valve DACs off the list, any other models to join the R1 NOS?

"Science draws the wave, poetry fills it with water" Teixeira de Pascoaes

 

HQPlayer Desktop / Mac mini → Intona 7054 → RME ADI-2 DAC FS (DSD256)

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1 hour ago, semente said:

 

Thanks Matt. I am keeping valve DACs off the list, any other models to join the R1 NOS?

AFAIK, there are no valve DACs from AGD, they have valve amps only. Other DAC models to join are the R8 and R7.

 

 

Matt

"I want to know why the musicians are on stage, not where". (John Farlowe)

 

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9 hours ago, Miska said:

Marantz devices I mentioned are missing? Or you didn't want to add those?

Is it possible to bypass internal DSP?

If so I can add.

"Science draws the wave, poetry fills it with water" Teixeira de Pascoaes

 

HQPlayer Desktop / Mac mini → Intona 7054 → RME ADI-2 DAC FS (DSD256)

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Update:

 

NOS PCM Capable DACs

• Aqua

• Armature Asterion

• Audio GD

• EC Designs Powerdacs R, S, B

• Hifiman EF400

• Holo Audio (except Cyan DSD)

• Metrum Acoustics

• Phasure NOS1

• Rockna

 

Native DSD Capable DACs

• Armature Asterion (discrete)

• Audio-GD R1 NOS (discrete)

• Audiobyte Vox (discrete)

• Bricasti M21 and M3 (discrete)

• Esoteric (BB/TI, AKM, discrete) - some models

• FiiO K7 (AKM)

• Gustard DAC-A22, DAC-A26 (AKM)

• Holo Audio Spring, May, Cyan DSD (discrete)

• iFi iDSD lineup (BB/TI)

• Marantz HD-DAC1 (discrete)

• Musical Fidelity M3x DAC (BB/TI)

• RME ADI-2 DAC, ADI-2 Pro ADC/DAC (AKM)

• Sabaj A10d (AKM)

• Singxer SDA-x (AKM)

• SMSL D-6 M400, D300, D400 EX (AKM)

• T+A DAC 8 DSD, SD 3100 HV, SDV 3100 HV, HA 200, DAC 200 (discrete)

• Teac UD-501 (BB/TI); UD-503 & UD-505 (AKM); UD-701 (discrete)

• Topping E30, T70, T90 (AKM)

"Science draws the wave, poetry fills it with water" Teixeira de Pascoaes

 

HQPlayer Desktop / Mac mini → Intona 7054 → RME ADI-2 DAC FS (DSD256)

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1 hour ago, semente said:

• Marantz HD-DAC1 (discrete)

 

Well, Marantz HD-DAC1 can be also listed, it can do up to DSD128 through CS4398 chip. And I suspect it is in Direct DSD mode, although not documented anywhere.

 

But: Marantz SA-12SE, Marantz SACD 30n and Marantz SA-10 are discrete ones. These are DAC with a SACD transport, 30n has also network functionality while SA-12SE and SA-10 don't.

 

Signalyst - Developer of HQPlayer

Pulse & Fidelity - Software Defined Amplifiers

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All Audio-gd R2R DACs have NOS settings and also have a native DSD ladder. So, the simplest thing to do for both PCM and DSD entries is put: Audio-gd R2R DACs. It'll save you having to update it every year as they change and update models.

 

You can also add: 
Cayin RU-6 under PCM and Cayin RU-7 under DSD.

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Update:

 

NOS PCM Capable DACs

• Aqua

• Armature Asterion

• Audio GD

• Cayin RU-6

• EC Designs Powerdacs R, S, B

• Hifiman EF400

• Holo Audio (except Cyan DSD)

• Metrum Acoustics

• Phasure NOS1

• Rockna

 

Native DSD Capable DACs

• Armature Asterion (discrete)

• Audio-GD NOS DACs (discrete)

• Audiobyte Vox (discrete)

• Bricasti M21 and M3 (discrete)

• Cayin RU-7 (discrete)

• Esoteric (BB/TI, AKM, discrete) - some models

• FiiO K7 (AKM)

• Gustard DAC-A22, DAC-A26 (AKM)

• Holo Audio Spring, May, Cyan DSD (discrete)

• iFi iDSD lineup (BB/TI)

• Marantz HD-DAC1 (CS), SA-12SE, SACD 30n, SA-10(discrete)

• Musical Fidelity M3x DAC (BB/TI)

• RME ADI-2 DAC, ADI-2 Pro ADC/DAC (AKM)

• Sabaj A10d (AKM)

• Singxer SDA-x (AKM)

• SMSL D-6 M400, D300, D400 EX (AKM)

• T+A DAC 8 DSD, SD 3100 HV, SDV 3100 HV, HA 200, DAC 200 (discrete)

• Teac UD-501 (BB/TI); UD-503 & UD-505 (AKM); UD-701 (discrete)

• Topping E30, D70, D90 (AKM)

"Science draws the wave, poetry fills it with water" Teixeira de Pascoaes

 

HQPlayer Desktop / Mac mini → Intona 7054 → RME ADI-2 DAC FS (DSD256)

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8 hours ago, Currawong said:

Should be "Audio-gd R2R DACs" for both entries. Even the ones that aren't NOS by default have NOS modes. If it's confusing at all, feel free to PM me, or I can go into detail.

 

I forgot to add to the PCM list, perhaps because it's not really relevant to me.

In my view, if it has a NOS mode it's a NOS DAC but I will change to your preferred designation.

 

I think I saw a model with the PCM1704 chip, does that also have a NOS mode?

"Science draws the wave, poetry fills it with water" Teixeira de Pascoaes

 

HQPlayer Desktop / Mac mini → Intona 7054 → RME ADI-2 DAC FS (DSD256)

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11 hours ago, semente said:

 

I forgot to add to the PCM list, perhaps because it's not really relevant to me.

In my view, if it has a NOS mode it's a NOS DAC but I will change to your preferred designation.

 

I think I saw a model with the PCM1704 chip, does that also have a NOS mode?

Good question! Yes, they do. I checked the manual.  

So your entries can be: 

PCM NOS: 
Audio-gd R2R DACs
Audio-gd PCM1704 DACs.

DSD:
Audio-gd R2R DACs

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