What are the major differences between Logitech Z906, 2010 and 2016 revisions?

[Lucky8]

Stop being rude both of you. Not achieving better speakers. Also the Logitech Z906 is Class D, makes me wonder if it has a DAC at all (maybe for headphones).
The power stage needs improvements, 10% THD at 500w RMS is high, 0.1% THD at 500w RMS would be a massive upgrade.

No problem.
So focusing on the issue, you're wrong about "talking, does use energy, but not electricity to produce the waves." . Every human second of existence is sustained by a chemical reaction at a cell level that is actually electric potential difference. I can not separate "electricity" from anything structured by atoms

 

[Ferather]

@Bill_Bright, I will stay out of the wireless discussion for the moment, until tech is better as you mentioned.

@Lucky8, you are thinking very outside the box today, still very informative.
Ok lets go with a tree falling down (and you are there to hear it, lol).

Do two colliding asteroids made sound in space? Just kidding, don't answer, hehe.

 

[Lucky8]

@Bill_Bright, I will stay out of the wireless discussion for the moment, until tech is better as you mentioned.

@Lucky8, you are thinking very outside the box today, still very informative.
Ok lets go with a tree falling down (and you are there to hear it, lol).

Do two colliding asteroids made sound in space? Just kidding, don't answer, hehe.

Oh, c'mon . I'd love to answer such a beauty of koans .
Now truly, I'm really around to check if you have a suggestion please. I really need some proper guidance before I buy any crap and waste the only spare money I got

 

[Ferather]

Well I certainly recommend the current revision Z906 (which a family member recently got), as others have mentioned they are better than my older revision.
Based on the feedback I almost upgraded (not just thinking it was my ears or placebo), but I am waiting for some additional improvements.

If you Google around for the Z906, you should see various independent retail outlets with thousands of reviews of around 4.5/5 (add all the reviews up).
I suggest SPDIF and digital, opposed to analogue, in some cases impedance detection can fail and you get issues (wears out the Z906).

I am using a DTS driver for my Realtek S1220A, which adds additional PCM processing and DTS encoder before SPDIF out.

----

Said family member also compared Samsung TV out (SPDIF), the TV has DTS encoder vs DTS Driver (has S1200A), S1200A won easily (has tinnitus).

 

[Lucky8]

Well I certainly recommend the current revision Z906 (which a family member recently got), as others have mentioned they are better than my older revision.
Based on the feedback I almost upgraded (not just thinking it was my ears or placebo), but I am waiting for some additional improvements.

If you Google around for the Z906, you should see various independent retail outlets with thousands of reviews of around 4.5/5 (add all the reviews up).
I suggest SPDIF and digital, opposed to analogue, in some cases impedance detection can fail and you get issues (wears out the Z906).

I am using a DTS driver for my Realtek S1220A, which adds additional PCM processing and DTS encoder before SPDIF out.

I've been looking the Z906 a while ago. I'll have to use HDMI at least by now as I can not buy the setup and upgrade my mobo as it doesn't have optical output
It was a surprise the Z906 got an upgrade, why do you think there would be other ? any way. Truly appreciate it. I didn¡t want to go into the dark

 

[Bill_Bright]

Do two colliding asteroids made sound in space? Just kidding, don't answer, hehe.

Can you "hear" the USS Enterprise as it passes at warp speed?

 

[Ferather]

@Lucky8, there is the HDMI to optical method. The only issue is the virtual monitor adds a GPU tax, best way to use it is HDMI in, then HDMI out and read device EDID (disable virtual).
If the end device does not have the correct information for SPDIF to do compressed formats and certain PCM specs, then the optical will be limited in output.

Lets say the end device was a computer monitor that does not support DTS-Dolby formats, you will get PCM only through SPDIF.

----

Forgot to mention, I like a nice 288Hz crossover with my older Z906, I think its up to around 320Hz (guestimate based on DTS Bass Boost).
If I go into 400Hz it sucks too much from the satellites and the sound becomes worse, less rich, overly flat.

The hardware LFE cross is also nice, but not as beefy as 288Hz.

----

Can you "hear" the USS Enterprise as it passes at warp speed?

You can when they add sound effects, otherwise there is sound but nothing to transmit it.
Inside the ship you should be able to hear some of the engine, air, hull.

 

[Bill_Bright]

You can when they add sound effects, otherwise there is sound but nothing to transmit it.
Inside the ship you should be able to hear some of the engine, air, hull.

Ummm, yeah, I know - hence the . I was just expanding on your kidding about colliding asteroids. Sorry. Moving on.

 

[Lucky8]

@Lucky8, there is the HDMI to optical method. The only issue is the virtual monitor adds a GPU tax, best way to use it is HDMI in, then HDMI out and read device EDID (disable virtual).
If the end device does not have the correct information for SPDIF to do compressed formats and certain PCM specs, then the optical will be limited in output.

Lets say the end device was a computer monitor that does not support DTS-Dolby formats, you will get PCM only through SPDIF.

----

Forgot to mention, I like a nice 288Hz crossover with my older Z906, I think its up to around 320Hz (guestimate based on DTS Bass Boost).
If I go into 400Hz it sucks too much from the satellites and the sound becomes worse, less rich, overly flat.

The hardware LFE cross is also nice, but not as beefy as 288Hz.

----



You can when they add sound effects, otherwise there is sound but nothing to transmit it.
Inside the ship you should be able to hear some of the engine, air, hull.

I just came back from the store They don't sell Z906 a while ago and have no clue about any upgrade. Also, the price was tripled as it was in January current year. Argentina's economy .....
I guess Z906 was the starting point right? Any other kinda cheap solution ?

 

[Ferather]

None that I can recommend, not in terms of a full kit.

 

[Lucky8]

None that I can recommend, not in terms of a full kit.

Ok. I'll think about what to do. Thanks Fer. appreciate the time

Can you "hear" the USS Enterprise as it passes at warp speed?

Sorry about my previous comments. That was no way to show my disagreement

 

[Ferather]

No problem, looking for the best kit that suits your budget can be annoying. In terms of specs, I would mostly look at the amp technology, THD at maximum power output and speaker SPL.
I suggest you go Class D, for a few reasons. 1000w through an AB amp will produce about 500-600w of useful output, Class D that's about 800-960w useful.

Some people prefer AB due to the way it handles THD, IMO there should be no audible THD at maximum output.
Another reason to use modern Class D is the way it stays in the digital domain.

-----

Logitech rated the Z906 at maximum output, AVR's can have various ratings, but they are normally listed with power ratings to show a better THD.
If we rated the Logitech at 400w RMS (or if you prefer did not turn it up so much), then the specified THD would be lower.

Understanding Power Ratings in AV Receivers

----

I would expect an upgraded version (DMAS) would cost more than this model, I would guess at £500-600, I also noticed the price for this model is going up as of now.

-----

 

[Bill_Bright]

Sorry about my previous comments. That was no way to show my disagreement

Thanks. We're good!

 

[Ferather]

Also, the price was tripled as it was in January current year. Argentina's economy .....

Well I actually just noticed the price has gone up for the Z906 here in the UK by £80-100, so maybe another revision? Normally they get cheaper.
If Logitech make their own DMAS, then it would be flagship (or giant killer according to this PowerDAC v2 review).

My DMAS design (similar to Class D) can easily accept HDMI, and other digital inputs for audio.

Touch screen console, and multicore SoC with operating system (smart, can be updated), instead of audio only DSP and button console.

 

[Lucky8]

Well I actually just noticed the price has gone up for the Z906 here in the UK by £80-100, so maybe another revision? Normally they get cheaper.
If Logitech make their own DMAS, then it would be flagship (or giant killer according to this PowerDAC v2 review).

My DMAS design (similar to Class D) can easily accept HDMI, and other digital inputs for audio.

Touch screen console, and multicore SoC with operating system (smart, can be updated), instead of audio only DSP and button console.

Well, tbh I was thinking about getting a used one. I mean, what are the possible issues of that ?

 

[Ferather]

Well I have had my original for 10 years with daily usage of about 6+ hours (on average). Chances are good.

 

[Ferather]

Bit off topic, but I recently decided to upgrade my 2013 Logitech G500s (second edition), to a G502 (25k Hero). I then looked at polling rates, and monitor specs.
My monitor does up to 165 Hz, I run 144 Hz, its G2G is 4ms which is ideal for 250 polling rate. I can also go MPRT 1000 polling and 1ms.

Fun thing is, no monitor is truly 1ms, because it needs to do 1000 Hz, still MPRT is better than nothing.

 

[Ferather]

https://www.cirrus.com/products/cs8416/ - seems to be the older AES3, but still 8 channels.



IEC 60958-5:2021 (External Link) | AES18:2019(S) (PDF)