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Slow down CPU and RAM? Lower voltage?


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Hello.

 

This thread would generally be posted in the servers forum, but I'm posting here as hopefully it's a more targeted audience: I remember extensive discussions some years ago in the JPlay forum, and I was wondering if there would be benefits to be had if applied to my Roon Bridge PC running WS2019 with AO 3.00 with Audiophileshell (AudioPC in the signature below). People in JPlay used to report improvements when lowering the CPU and RAM speed, and the voltage, in the JPlay AudioPC. Not sure if this is outdated now or applicable for my case?

 

Thank you!

Horacio

Roon Server: Gigabyte GA-Z170X UD5, i5 6600, Crucial MX200 SSD, HyperX 1x16GB RAM, Seasonic 520W 80+ PSU, 3 HDD for media, Zalman Z3 Plus case, Win 10 Pro, convolving in Roon digital xo + DRC + upsampling. Output through ethernet.

Roon Client AudioPC: Intel S1200KPR, Xeon E3 1265lv2, Crucial V4 SSD for OS, 8GB ECC RAM, PPA USB card v2, wide range picoPSU, PPA SATA cable for SSD, Streacom FC8 Evo case, lab linear PSU for picoPSU, Windows Server 2012 R2, AudioPhil's Optimizer, Acourate (digital crossovers, room correction )

Rest of Chain:

Uptone ISO Regen (with LPS 1.2) into Lynx Hilo as 6-channel DAC, McIntosh MC275 MkIV for mids & treble, Hypex UcD400HG for midbass into B&W 804S, 2 DIY 12" Rythmik subs, Equi=Core 1800 balanced power, dedicated power lines, room treatments

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My understanding is that, lowering CPU/RAM speed and voltage is to lower the noise thus improve the SQ, music sounds more relaxed.  However, doing so somehow compromises the system's robustness and speed thus impacts the dynamics of music playback.  We had put up with that compromise until recently when there're several major advancements in CPU, RAM, passive cooling, LPSU, and networking that allow and motivate innovative folks to go the other way around: turn on hyper-threading, run CPU at full throttle without compromising the SQ.

 

Since I'm still running Haswell CPU, I'm happy with lowered speed CPU/RAM and voltage.  But for folks with more modern CPU, RAM, motherboards, killer LPSU such as SR7 or Optimo Duo 3 just to name two, killer switches such as Melco or JCAT Gold or SOtM or EtherRegen, and upsampling oriented, by all means go for the high speed racing.

 

Just two cents.

WS2019 Datacenter Core, dualPC, JPLAY Femto, AO3, Fidelizer Pro 8.6, MC46, BubbleUPnP.

 

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Thanks for the input.

 

My motherboard is Intel S1200KPR with Xeon E3 1265 lv2, 6 years old. I basically copied AudioPhil's machine from back then. I believe he still uses it and his manual recommends not turning on hyper-threading. I run a linear PSU, and have an etherRegen on the way.

 

Suggests I should lower voltage then?

AudioPhil, are you running with lower voltage and /or speed?

Roon Server: Gigabyte GA-Z170X UD5, i5 6600, Crucial MX200 SSD, HyperX 1x16GB RAM, Seasonic 520W 80+ PSU, 3 HDD for media, Zalman Z3 Plus case, Win 10 Pro, convolving in Roon digital xo + DRC + upsampling. Output through ethernet.

Roon Client AudioPC: Intel S1200KPR, Xeon E3 1265lv2, Crucial V4 SSD for OS, 8GB ECC RAM, PPA USB card v2, wide range picoPSU, PPA SATA cable for SSD, Streacom FC8 Evo case, lab linear PSU for picoPSU, Windows Server 2012 R2, AudioPhil's Optimizer, Acourate (digital crossovers, room correction )

Rest of Chain:

Uptone ISO Regen (with LPS 1.2) into Lynx Hilo as 6-channel DAC, McIntosh MC275 MkIV for mids & treble, Hypex UcD400HG for midbass into B&W 804S, 2 DIY 12" Rythmik subs, Equi=Core 1800 balanced power, dedicated power lines, room treatments

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