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Author Topic: Multi-channel input option on Orelo  (Read 605 times)
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PeterSt
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« Reply #15 on: September 09, 2020, 04:37:26 am »

Hi again Ramesh,

Yes, but ... I just woke up with knowing again how it is "constructed" ...
And it's applied for so long (like 15+ years), that I did not even realize any more that it is how it is;

The power amp, be that internal or be it yours externally, acts as a pre-amp for the bass section. This also solves the level difference between the mid-high and the bass section; once set = always set.
And for myself I could not explain that with my previous explanations.

Internal Mid-High amplifier(s) with fixed volume -> DSP -> Bass amplifier(s).
or
External amplifier with variable volume -> DSP -> Bass amplifier(s).

(bass is always levelled with mid-high, once set orderly (via the DSP volume))

Thus with Line Level input there's internally an Y split behind the one of the two amps servicing the mid-high and one branch goes to the mid-high and the other branch goes to the DSP (which is thus fed Speaker Level signal, but not the bass level which would be too much for it);

With Speaker Level input, the Y is right behind the input (but thus behind your external amplifier) and again one branch goes to mid-high and the other goes to the DSP.


With multi-channel input the same principle could be applied, now all externally. In that case, there too the balance between mid-high and bass would be preserved, once set orderly.
In this setup no internal filters are active whatsoever, so this now all has to be applied outboard, be that passive normal filters or be that DSP or a mix.

Peter
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For the Stealth III LPS PC :
W10-14393.0 - April 1, 2020 (2.11)
XXHighEnd Mach III Stealth LPS PC -> Xeon Scalable 14/28 core with Hyperthreading On (set to *14/28* cores in BIOS and set to 10/20 cores via Boot Menu) @~660MHz, 48GB, Windows 10 Pro 64 bit build 14393.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = *14*/-/1/1/1/ Q1Factor = *1* / Dev.Buffer = 4096 / ClockRes = 15ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = *10.19*  (max *10.19*) / not Invert / Phase Alignment Off / Playerprio = Low / ThreadPrio = Realtime / Scheme = Core 3-5 / Not Switch Processors during Playback = Off/ Playback Drive none (see OS from RAM) / UnAttended (Just Start) / Always Copy to XX Drive (see OS from RAM) / Stop Desktop, Remaining, WASAPI and W10 services / Use Remote Desktop / Keep LAN - Not Persist / WallPaper On / OSD Off (!) / Running Time Off / Minimize OS / XTweaks : Balanced Load = *52* / Nervous Rate = 10 / Cool when Idle = n.a / Provide Stable Power = 0 / Utilize Cores always = 1 / Time Performance Index = Optimal / Time Stability = Stable / *Arc Prediction Filtering (16x)* / Always Clear Proxy before Playback = On -> USB3 from MoBo -> Lush^2*A:B-W-Y-R, B:B-W-R* USB 1m00 -> Phisolator 24/768 Phasure NOS1a/G3 75B (BNC Out) async USB DAC, Driver v1.0.4b (16ms) -> B'ASS Current Amplifier -> *Blaxius^2 A:B-R, B:B-R* Interlink -> Orelo MKII Active Open Baffle Horn Speakers. *ET^2* Ethernet from Mach III to Music Server PC (RDC Control).
Removed Switching Supplies from everywhere (also from the PC).

For a general PC :
W10-10586.0 - May 2016 (2.05+)
*XXHighEnd PC -> I7 3930k with Hyperthreading On (12 cores)* @~500MHz, 16GB, Windows 10 Pro 64 bit build 10586.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 14/-/1/1/1 / Q1Factor = 1 / Dev.Buffer = 4096 / ClockRes = 1ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = 0.10  (max 60) / not Invert / Phase Alignment Off / Playerprio = Low / ThreadPrio = Realtime / Scheme = Core 3-5 / Not Switch Processors during Playback = Off/ Playback Drive none (see OS from RAM) / UnAttended (Just Start) / Always Copy to XX Drive (see OS from RAM) / All Services Off / Keep LAN - Not Persist / WallPaper On / OSD On / Running Time Off / Minimize OS / XTweaks : Balanced Load = *43* / Nervous Rate = 1 / Cool when Idle = 1 / Provide Stable Power = 1 / Utilize Cores always = 1 / Time Performance Index = *Optimal* / Time Stability = *Stable* / Custom Filter *Low* 705600 / -> USB3 *from MoBo* -> Clairixa USB 15cm -> Intona Isolator -> Clairixa USB 1m80 -> 24/768 Phasure NOS1a 75B (BNC Out) async USB DAC, Driver v1.0.4b (4ms) -> Blaxius BNC interlink *-> B'ASS Current Amplifier /w Level4 -> Blaxius Interlink* -> Orelo MKII Active Open Baffle Horn Speakers.
Removed Switching Supplies from everywhere.

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