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soundchekk's Main System
IP Address: Last Update: July 21, 2023 at 02:00:36
Amplifier: Purifi Eval 1 (slightly modified)
Ghent Audio case ( mains directly connected to SMPS)
Preamplifier (or None if Integrated): NA

direct DAC >> amp connection
Speakers: PIO Sound Falcon (Hybrid-Electrostatic speakers)
CD Player/DAC: Standalone playback system:


Allo Katana - I2S HAT DAC (replaced my Gustard A18 in 4/2022)

Power Supply:

Allo Shanti
DAC-Output Stage: output #1 - 3A
DAC-Controller: output #2 - 1.5A


Raspberry Pi CM4 lite - 4GB - no Wifi - no EMMC
Waveshare CM4-IO-BASE-B
Sabrent 2230 M.2 NVME 2TB
IanCanada Shield Pi Pro (rail filter and buffer)

RPi Operating System:

My own 64-bit custom OS (pi-gen) incl. RT-kernel (based on RPiOS64 Bookworm)

The OS is seriously tweaked for highly efficient
audio processing (even more advanced to what I describe and offer you folks over @ https://soundcheck-audio.blogspot.com/)

Audio SW:

LogitechMediaServer 8.4 (my own built custom version)
squeezelite-minimal (my own built custom version - https://github.com/klslz/squeezelite )


iOS - iPeng
Android - Orange squeeze

I run above system standalone - meaning - without any other clients or network storages attached to it on a wired network - no, NO Wifi!

I am subscribed to IMO excellent Qobuz streaming service
Turntable/Phono Stage: NA
Other Accessories/Room/Misc.:
Speaker Cables/Interconnects: pref. silver solid-core cables/wires
plugs/jacks are pretty much avoided
Other (Power Conditioner, Racks etc.): separate mains cabling and old school mains "melting" fuse
several filters (incl. iFi AC iPurifier) and sniffers
DIY mains distribution unit (star cabling)
Tweaks: numerous tweaks have been added over time
not a single device is untouched
Room Comments/Treatments: several sound panels in the room, still not enough though.
Music Preferences and Comments:
Music Used (Genre/Selections): Audio formats:

Preferably flac @ compression level 0/1
System Goals/Comments: Best bang for the buck.
Audiophile performance at reasonable prices.

Running the best streaming OS on the planet!
System Strengths: The setup sounds excellent and pretty flawless to me.
System Weaknesses: Minor changes are usually causing a lot of adjustment efforts.
Video/HT System: None
TV/Projector: NA
Processor/Receiver/Amplifiers: NA
Speakers (Center, Surrounds, Sub): NA
Sources (DVD/VCR): NA
Other HT Gear: NA
Comments on HT System: NA
URL Link: http://https://soundcheck-audio.blogspot.com/

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