Race for the SFS as low as possible

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	Author	Topic: Race for the SFS as low as possible (Read 7421 times)
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hwk

Audio Loudspeaker

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Posts: 49

Race for the SFS as low as possible

« on: April 18, 2015, 01:48:03 pm »

Hi All,

in the race for the lowest SFS setting (mind you: with my non-NOS1a gear: lowest used SFS 0.47) I was not really happy with the SQ lately. After a weekend with a friend friends

(who is also XXHe, non-NOS1a user) we discovered that with a higher SFS setting, i.c. 62, the SQ was more relaxed and the sound stage was more natural, less upfront. I also think the bass is better. Less "tight"
To all non-NOS1a users: please try and share your opinion with us


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Music Dedicated PC, Power: Silverstone Nightjar 300, MB: ASRock H87M Pro4 + I5 4570T + 4GB, Internal Memory: 16Gb Kingston DDR3-1333, 500Gb Crucial MX500 SSD with W10 Build 14393.0, 2x 4Tb WD 40EZRZ HDD for Music only), Soundcard: Seriously Modified Prodigy HD2 PCI Card 24 Bit/192 KHz with Amplimo's (van GooiPC), W10 10586-11 Home Edition 64bit
XXHe 2.11: KS mode: Special, Device Buffersize: 1024; Processor scheme: CORE 3-4; Player Prio: Below Normal, Threadprio: Above Normal, Clock Res.: 10 msec; HDCD on; SFS: 105.19, Mem.Org.: Mixed Cont.; Q's=13x10,0,0,0; PE: Off, Custom: On; Playing Mode: Min.OS; XTweaks= On Indicates: "OPTIMAL": Bal.Load=45, Nervous Rate=99, rest=1 - Sound Gear: Meridian 502 PreAmp (upgraded), 588 CD, 2x 505 MainAmp (upgraded) (all balanced driven), Speakers: Magnepan 3.5 SE, extra: Aphex 204 Aural Exciter; Cables: CD>Pre: Siltech SQ88, PC>Pre & Pre>Dedicated Headphones Class A Amplifier: John van Gent Reference+, Amplifiers>Speakers: Discovery 4; Headphones: AKG K1000 & Ultrasone Pro550 + dedicated Class A amp; Music Dedicated Power Group (copper shielded main cables + Oyade plugs) with parallel noise filter for the main-amps and PS Audio Quintet for the front-end. Analog: Micro Seiki DD33 modified, Denon301

Stanray

Audio Enthusiast

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Posts: 308

Re: Race for the SFS as low as possible

« Reply #1 on: April 18, 2015, 02:52:25 pm »

As with the NOS1, after some experimentation with low SFS values, I settled for a SFS=20 with my NOS1a 75B.
A midway between relaxed and "accurate" sound in my setup.

Regards,
Stanley


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AudioPC: Passive Intel i7-2600S / Hyperthreading On / Motherboard: Asus P8H67-V/ RAM: Kingston DDR3 32GB/ Motherboard USB3.0 to NOS1a / PSU: Silentmaxx Fanless II/ no computer cabinet and no fans (NoFan 80 EH passive CPU cooler) / Music via LAN on SSD on MusicServerPC (desktop computer-W10)/ All music in WAV /Control on desktop computer or on Macbook Air <-> Wifi <-> separate (audio)router <-> LAN <-> MusicServerPC <-> LAN <-> AudioPC.

September 2021: Windows 10 Pro 64 bit build 14393.0 from RAM/ XXHE 2.11 / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 14/-/0/0/1 / Q1Factor = 4/ Dev.Buffer = 4096 / ClockRes = 10ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = 10.13 (max 10,13)/ No Filter/ not Invert / Phase Alignment Off / Peak Extend Off /Playerprio = Low / ThreadPrio = Realtime / Scheme = Core 3-5 / Not Switch Processors during Playback/ UnAttended / All Services Off / Minimize OS / XTweaks : 62, 1, -, 1, 1/ Time Performance Index = Optimal / Time Stability = On / Custom Filtering Low (16x) / -> Lush^3 USB-cable 70cm (A: W-Y-R-G, B: W-G) > Phasure NOS1a 75B G3 DAC, Driver v1.0.4) (16ms)/ Output via Balanced Blaxius BNC Interlinks > Audio Analogue Maestro monoblock amplifier > speakers: Apogee Acoustics Scintilla (custom rebuild).

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