Network Acoustics Tempus switch

Borrowing the CGLE was an eye opener, or an ear opener, for sure. I have been on a clarity kick ever since.

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I was extremely careful with the CGLE (and 20-20 too) when I borrowed them. I even moved my rack further away from the wall and rotated the PZ so as to not put torque or bending pressure on the Stealth power cables.

I also baby the FRR interconnect.

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Based on the comments and just how they look, it sounds like the bend radius of the Stealth cables is 15” at a minimum… Furutech DPS-4.1 is more like 6” which is already close to what I can fit. I will just have to find something reasonably good enough…

The bend radius for me is less than 15”…maybe 10”? Cable support is a good idea as well. They are heavy. I use cut 2x4’s.

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My rack is 25” out of front wall so I do not have bending issue on any of my cables. But the support for power cords is crucial not only for stability, but for better performance also.

Here is a metal column support for Stealth CGLE at Grimm MU2. MU2 is extremely sensitive to movement, even with this support it will shut down if I accidentally move the cord a little:

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I’ll just have to suffer with FRR.

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Nice looking cable! I am done with cable, but should I think about it again FRR may be a good one that is still under $10k :laughing:

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Don’t want to further distract the Tempus thread, but this might also be interesting for massive power cords on wall sockets, power conditioners, devices etc NCF Booster - Furutech

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Yeah I would definitely need to use something like NCF Boosters to support anaconda cables like that…

@dchang05 your poor MU2 :joy: that looks insane, I’m surprised it hasn’t ripped the IEC off the board by now!

Among “normal” size cables, Audience FRR and Kubala Sosna are probably where I would go. I’m supposed to get a KS Revelation cord from Bill Parish @ GTT soon, which should be nice on my Mola Mola gear and maybe the Tempus, but maybe not heavy enough for the PZ.

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Here is another fat one supported by Vera-fi Snubway:

Stealth Dream 2020 has good support here. The Furutech NCF plate and socket has strong grip too.

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Not to derail this cable thread into a Tempus thread, but I did another SPL level test after having the Tempus for a few weeks. I say another because I performed the same test two to three weeks prior to receiving the Tempus.

The procedure I use is a setup disc rip (2016 Dolby Atmos) through my Zidoo player to my Lyngdorf MP-60 2.1 Surround processor. I use the well respected Reed R8060 SPL meter for accuracy. i never use Room Correction, so distances and SPLs are always performed manually. The setup file is located within my LAN on a server.

The difference in the before and after SPLs, were pretty significant. Older measurements on the right, today’s on the left. The only one to ignore is my LFE/Sub as I increased the gain/sensitivity on it’s plate amp, so some reduction was expected. All other channels shouldn’t have changed unless the Tempus was somehow responsible for it. Which it clearly was here. To summarize…before, channels were all over the place in terms of level balance. It took significant channel gain for my Atmos and Surround speakers. With the measurements today, they proved to be much closer together in terms of level balance, which is obviously ideal. Don’t ask me how or why but it clearly shows a difference with network audio through a great switch.

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Not to derail this Tempus thread into a room correction query :smiling_face:, but I wonder if you would get even better plots with passive or active sound absorbers. Like you, I experience a flatter room with better gear and cables, and that includes the Tempus. But, my biggest jump in taming the room was with active bass absorbers, the PSI 214’s.
Kudos to you if you all ready have a room that plays nice and you are in the fine tuning phase.

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Oh I have been using sound absorption panels and a few bass traps for about 12 years now. That is why I dislike Room EQs. I can hear the phase shifts/changes very easily with a Room EQ engaged. So I gave up on them.

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That’s neat, but wouldn’t you need to perform repeated tests back-to-back with identical measurement setups to be able to say the Tempus is doing anything? Environmental factors, a discrepancy of even an inch in the position of the mic or even sample-to-sample variation can introduce significant error, hence needing “control and average".

I have been doing this exact surround sound setup procedure for 30+ years. I am quite confident in my testing protocols as well as the results. I measure SPLs for each channel, write down results and measure again to confirm. Then I input those values/changes in the Lyngdorf gain section and measure to confirm. Not once but twice. I won’t go into won’t go into it more than that, as I do not want to derail this thread any more than it has been with everything else.
An inch, or even 2’ on meter positioning couldn’t possibly change 5-6 speakers equally (and in both L to R and back to front no less) by 5dBs though. No way, sir. Not with a high quality theater meter. Maybe with some cheap, inexpensive SPL meter?

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makes sense, not doubting your results - I have found measurements/calibrations from e.g. Audyssey and REW to have wild variations that require a lot of averaging, but the test you’re performing is a lot more straightforward, and since you’re measuring steady state SPLs and not impulse response it has some averaging effects built in. I’m not sure why the Tempus would affect channel levels in a Dolby signal, kinda crazy it would be that large an effect.

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Oh I agree 1000%. It doesn’t make sense. The only thing that’s effected levels this much were new speakers themselves. But oh boy. It sounds like I upgraded all of my speakers and I have pretty capable ones already.

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All the power cord talk got stuck in my head so I decided to swap in a Kubala Sosna Temptation for the Audience powerChord SEi I had been using on the Tempus supply. The Temptation had been my preferred cord for my Mola Mola Makua and I had the opportunity to upgrade that spot to a KS Revelation (the prior top dog until the Ovation came out this year).

I was not prepared for the PC to make such a big difference… everything about Tempus got even more organic and resolving, and the tone is gorgeous. Strings are silkier and lusher, dynamics are more fluid and layers of orchestrations are more distinct and nuanced. It’s much more coherent and balanced than what I got from the Furutech DPS-4.1 as well - the stage is pulled back a bit, but deeper and more present. In some ways, going from either the Furutech or the Audience to the KS Temptation on the Tempus is an even bigger upgrade than going from the Temptation to the Revelation on the Makua, despite the Makua being a preamp and the Revelation being in a totally different price bracket. (No, I haven’t tried the Revelation on the Tempus…)

I still refuse to get a Stealth garden hose, but… sigh.

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I always wanted to try a Kubala power cord because I heard good things about this brand. But some people here twisted my arm to buy something else. :laughing:

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Going from the stock cord on the Tempus to the Stealth Grande LE was a big jump.
I’m happy to hear that your Audience cable made a nice improvement.
I probably could have tried a less dramatic purchase but wanted to stay in the same
family. Cheers.

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