MacBook / McIntosh / USB / DSD

Good evening from Quebec.
I spent the last 2 hours trying to get a DSD files to play on my Preamplifier McIntosh C2700 with the its new DA2 Dac.
I use the latest version of Audirvana on my MacBook Pro and send the music via USB to the DA2 (Dac).
DSD128 files is playing on Audirvana.
But it shows on my C2700 352.8 and no sound.
Do you know what to do.
My DA2 is DSD512 compatible…

Audirvana Mac Version 3.5.33 (3563)
macOS 10.15.4 with 16384MB RAM

Registered to Christopher Guilbaud-Mc Harg

SIGNAL PROCESSING:

Polarity Inversion:
	Globally: OFF
	Per track: OFF
Effects plugins NOT ACTIVE

UPSAMPLING:
SoX not in use
SoX filter parameters
Bandwidth at 0dB = 99.5
Filter max length = 30000
Anti-aliasing = 100
Phase = 66

AUDIO VOLUME:
Max allowed volume: 100
Replay Gain: None
SW volume control: OFF

LIBRARY SETTINGS:
Sync list: 2 folders
Manual: (OFFLINE) /Volumes/Digital Medias/Collection de CD - APPLE LOSSLESS
Manual: (OFFLINE) /Volumes/Digital Medias/iTunes
iTunes/Music library synchronization: last synchronized on Thu Jun 20 15:25:33 2019

Library database path: /Users/Christo/Library/Application Support/Audirvana/AudirvanaPlusDatabaseV2.sqlite

ACTIVE STREAMING SERVICES
TIDAL: Connected as HIFI

=================== AUDIO DEVICE ========================

CoreAudio audio path, buffer I/O frame size: 512

Max. memory for audio buffers: 15360MB

Local Audio Engine:
Exclusive access: Enabled
Integer mode: Enabled

Preferred device:
McIntosh
Model UID:McIntosh:2AFD:000B
UID:AppleUSBAudioEngine:DA2:McIntosh:14100000:1

Currently playing in Integer Mode:
Device: 2ch Non-mixable linear PCM Interleaved 24bits little endian Signed Integer, 8 bytes per frame 352.8kHz

Active Sample Rate: 352.8kHz
Hog Mode is on

Bridge settings:
Sample rate limitation: none
Sample rate switching latency: none
Limit bitdepth to 24bit: OFF
Mute during sample rate change: OFF

Selected device:
Local audio device
ID 0x29 McIntosh Manufacturer:DA2
Model UID:McIntosh:2AFD:000B UID:AppleUSBAudioEngine:DA2:McIntosh:14200000:1

10 available sample rates up to 768000Hz
44100
48000
88200
96000
176400
192000
352800
384000
705600
768000
Audio buffer frame size : 58 to 4096 frames
Current I/O buffer frame size : 512
Volume Control
Physical: No
Virtual: No
MQA capability
Auto-detect MQA devices: No
Not a MQA device, user set to not MQA
DSD capability: DSD via PCM 1.1
Device audio channels
Preferred stereo channels L:1 R:2
Channel bitmap: Ox3, layout:
Channel 0 mapped to 0
Channel 1 mapped to 1

Audio channels in use
Number of channels: 2
Use as stereo device only: Yes
Simple stereo device: Yes

1 output streams:
Number of active channels: 2, in 1 stream(s)
Channel #0 :Stream 0 channel 0
Channel #1 :Stream 0 channel 1

Stream ID 0x2a 2 channels starting at 1
30 virtual formats:
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 768kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 705.6kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 384kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 352.8kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 192kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 176.4kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 96kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 88.2kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 48kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 44.1kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 768kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 705.6kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 384kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 352.8kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 192kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 176.4kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 96kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 88.2kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 48kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 44.1kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 768kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 705.6kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 384kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 352.8kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 192kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 176.4kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 96kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 88.2kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 48kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 44.1kHz

40 physical formats
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 768kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 705.6kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 384kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 352.8kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 192kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 176.4kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 96kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 88.2kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 48kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 44.1kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 768kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 705.6kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 384kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 352.8kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 192kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 176.4kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 96kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 88.2kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 48kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 44.1kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 768kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 705.6kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 384kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 352.8kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 192kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 176.4kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 96kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 88.2kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 48kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 44.1kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 768kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 705.6kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 384kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 352.8kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 192kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 176.4kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 96kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 88.2kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 48kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 44.1kHz

Local devices found : 2
Device #0: ID 0x33 Built-in Output Manufacturer: Apple Inc. Model UID: AppleHDA:123 UID: AppleHDAEngineOutput:1B,0,1,1:0
Device #1: ID 0x29 McIntosh Manufacturer: DA2 Model UID: McIntosh:2AFD:000B UID: AppleUSBAudioEngine:DA2:McIntosh:14200000:1

UPnP devices found : 1
Device #0: ID 0x0 BRAVIA KDL-65W950B UID: uuid:00000000-0000-1010-8000-fcf15205f0fb Location: http://192.168.2.12:52323/dmr.xml

You’ve setup everything correctly. There are some issues with DSD256 in DoP mode with some DACs, probably related to XMOS implementation.

Hello @ChristoGM, where are your DSD files stored? Are they in itunes?

On my desktop.
I wanted to test so it’s an easy way.
Audirvana is reading them no problem.
But it seems that my McIntosh Dac is changing them to PCM 352.8… and no sound…

There is maybe a bug in your MacIntosh that doesn’t detect DoP properly, have you checked if you don’t have a firmware update for it?

Hello, I have the same problem with my new McIntosh C2700. I was using Audirvana with no problems with a McIntosh C2600. The only thing I did was disconnect the C2600 and connect the C2700, but now I can’t play DSD files from my Mac mini through USB. The C2700 panel shows 176.4kHz instead of DSD, and it plays a very low white noise.

Audirvana Mac Version 3.5.33 (3563)
macOS 10.15.4 with 16384MB RAM

Registered to Adolfo Vial

SIGNAL PROCESSING:

Polarity Inversion:
	Globally: OFF
	Per track: OFF
Effects plugins NOT ACTIVE

UPSAMPLING:
SoX not in use
SoX filter parameters
Bandwidth at 0dB = 99.5
Filter max length = 30000
Anti-aliasing = 100
Phase = 73

AUDIO VOLUME:
Max allowed volume: 100
Replay Gain: None
SW volume control: OFF

LIBRARY SETTINGS:
Sync list: 3 folders
AUTO: /Volumes/LaCie 6TB/DSD-FLAC & ISO NO en iTunes/DSD
AUTO: /Volumes/LaCie 6TB/DSD-FLAC & ISO NO en iTunes/Flac
AUTO: /Volumes/LaCie 6TB/iTunes
iTunes/Music library synchronization: not synchronized
Library database path: /Users/adolfovial/Library/Application Support/Audirvana/AudirvanaPlusDatabaseV2.sqlite

ACTIVE STREAMING SERVICES

=================== AUDIO DEVICE ========================

CoreAudio audio path, buffer I/O frame size: 512

Max. memory for audio buffers: 15360MB

Local Audio Engine:
Exclusive access: Enabled
Integer mode: Enabled

Preferred device:
McIntosh
Model UID:McIntosh:2AFD:000B
UID:AppleUSBAudioEngine:DA2:McIntosh:14100000:1

Active Sample Rate: 768kHz
Hog Mode is off

Bridge settings:
Sample rate limitation: none
Sample rate switching latency: none
Limit bitdepth to 24bit: OFF
Mute during sample rate change: OFF

Selected device:
Local audio device
ID 0x29 McIntosh Manufacturer:DA2
Model UID:McIntosh:2AFD:000B UID:AppleUSBAudioEngine:DA2:McIntosh:14100000:1

10 available sample rates up to 768000Hz
44100
48000
88200
96000
176400
192000
352800
384000
705600
768000
Audio buffer frame size : 231 to 4096 frames
Current I/O buffer frame size : 512
Volume Control
Physical: No
Virtual: No
MQA capability
Auto-detect MQA devices: No
Not a MQA device, user set to not MQA
DSD capability: DSD via PCM 1.0
Device audio channels
Preferred stereo channels L:1 R:2
Channel bitmap: Ox3, layout:
Channel 0 mapped to 0
Channel 1 mapped to 1

Audio channels in use
Number of channels: 2
Use as stereo device only: No
Simple stereo device: Yes

1 output streams:
Number of active channels: 2, in 1 stream(s)
Channel #0 :Stream 0 channel 0
Channel #1 :Stream 0 channel 1

Stream ID 0x2a 2 channels starting at 1
30 virtual formats:
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 768kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 705.6kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 384kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 352.8kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 192kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 176.4kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 96kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 88.2kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 48kHz
2 ch Mixable linear PCM Interleaved 32 little endian Signed Float 44.1kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 768kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 705.6kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 384kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 352.8kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 192kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 176.4kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 96kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 88.2kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 48kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 44.1kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 768kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 705.6kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 384kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 352.8kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 192kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 176.4kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 96kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 88.2kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 48kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 44.1kHz

40 physical formats
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 768kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 705.6kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 384kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 352.8kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 192kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 176.4kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 96kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 88.2kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 48kHz
2 ch Mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 44.1kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 768kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 705.6kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 384kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 352.8kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 192kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 176.4kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 96kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 88.2kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 48kHz
2 ch Mixable linear PCM Interleaved 16 little endian Signed Integer 44.1kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 768kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 705.6kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 384kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 352.8kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 192kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 176.4kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 96kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 88.2kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 48kHz
2 ch Non-mixable linear PCM Interleaved 24 little endian Signed Integer aligned low in 32bit 44.1kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 768kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 705.6kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 384kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 352.8kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 192kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 176.4kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 96kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 88.2kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 48kHz
2 ch Non-mixable linear PCM Interleaved 16 little endian Signed Integer 44.1kHz

Local devices found : 2
Device #0: ID 0x36 Built-in Output Manufacturer: Apple Inc. Model UID: AppleHDA:88 UID: AppleHDAEngineOutput:1B,0,1,2:0
Device #1: ID 0x29 McIntosh Manufacturer: DA2 Model UID: McIntosh:2AFD:000B UID: AppleUSBAudioEngine:DA2:McIntosh:14100000:1

UPnP devices found : 0

Are you using the latest firmware of the C2700?

Hi Damien, I just received an answer from McIntosh support. They told me that they are working on a new firmware for the DAC2 of the C2700. However, it may not be for a bit as McIntosh is still under shutdown do to the Covid-19 situation in NY. They asked to check back in about a month. The next update will allow DOP playback in the DA2. Thanks and best regards