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Author Topic: Cables with BNC Connectors/Adapters Are Generating A Superoir SQ  (Read 201835 times)
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manisandher
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« Reply #75 on: September 13, 2014, 01:31:33 pm »

Yesterday evening I replaced the 10m XLR cables in my main system with the 50 Ohm BNC cables and adapters. (I'm actually using 2x 5m lengths and a central 50 Ohm BNC connector per channel to make up 10m, as I couldn't find any 10m BNC cables off the shelf.)

The sound has been totally transformed for the better. The realism is now truly amazing.

But this is in no way a criticism of the 10m XLR cables I bought from Juan. These were designed with a balanced connection in mind. It was only once the Orelos were here that we realised a truly balanced connection was not possible. Running these cables singled-ended over a 10m length is just not what they were intended for.

The 50 Ohm coaxial cables and adapters, however, seem to be totally unfazed by the 10m length. It's really as if they're simply not there.

I agree with Joachim that a few things need to be readjusted after installing these cables. The bass is now tight, tuneful and utterly realistic, but tends to take the 'back stage' more than before. I'm going to explore some of the DSP options with the Orelos to just bring that gorgeous bass forward a little.

Mani.
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« Reply #76 on: September 13, 2014, 01:43:26 pm »

Okay, is this cable what you folks are talking about and does the length matter?

http://www.sweetwater.com/store/detail/BNC58-3
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« Reply #77 on: September 13, 2014, 05:08:01 pm »

Okay, is this cable what you folks are talking about and does the length matter?

http://www.sweetwater.com/store/detail/BNC58-3

Hi,

this cable should work for our intention (low budget price), and for longer distances as well. Let us say <20m minimum.

see datasheet attached. The capacitance is 101pF/m.

The conductor of this cable is a "stranded tinned wire", which is not the best material/conductor for our purpose.


Joachim

* RG58-50JF.pdf (78.68 KB - downloaded 147 times.)
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boleary
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« Reply #78 on: September 13, 2014, 05:31:04 pm »

Thanks Joachim, I'll look for a cable made with solid copper instead of stranded.
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« Reply #79 on: September 13, 2014, 05:34:04 pm »

Thanks Joachim, I'll look for a cable made with solid copper instead of stranded.


Hi, see this cable on Ebay.com

K02252D HUBER SUHNER TEFLON 50OHMS CABLE

and buy the appropriate BNC connector from Hubner+Suhner ............. .

Joachim
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manisandher
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« Reply #80 on: September 13, 2014, 05:52:30 pm »

I don't think the 'cheap' cable I bought is any better than the one Brian mentions (although it is a bit more expensive):

http://uk.farnell.com/radiall/r284c0351008/lead-rg58-bnc-m-m-5m/dp/1351884?Ntt=RADIALL+-+R284C0351008

I can't find the conductor material from the data sheet, but assume it's also just tinned wire. But the cables (2x 5m in series) sound very, very good.

I'll be able to try the H+S cables in my office system when they come, hopefully next week. This'll give me an idea of how important the quality of the conductors themselves is.

Mani.
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XXHighEnd: 2.10 / Minimize OS / Engine#4 Adaptive / DB=4096 / *trying*: Q1=30 / xQ1=40 / Q3,4,5=1 / SFS=5.19 / XTweaks = 52, 10, 0, 0, 1 / Straight Contiguous / Clock Resolution = 15ms / Scheme 3-5 (low/realtime) / 8x Arc Prediction (switch #5 'up/off') / Unattended
Main System: mobo USB3 port -> Lush -> Phasure NOS1a B75 G3 -> First Watt F5-cloned mono amps -> Tune Audio Anima horn speakers
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manisandher
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« Reply #81 on: September 13, 2014, 05:58:25 pm »

Hi, see this cable on Ebay.com

K02252D HUBER SUHNER TEFLON 50OHMS CABLE

and buy the appropriate BNC connector from Hubner+Suhner .......

Hey, thanks Joachim. I've just gone ahead and ordered 20m. Do you happen to know where I can get the Huber + Suhner 50 Ohm BNC connectors? Also, will I need a special tool to fit the BNC connectors?

Mani.
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Audio PC: Phasure Mach II *with clock upgrade* / Win 14393.0 on RAM-OS / controlled by RDC, no GPU card installed / connected directly to music server
XXHighEnd: 2.10 / Minimize OS / Engine#4 Adaptive / DB=4096 / *trying*: Q1=30 / xQ1=40 / Q3,4,5=1 / SFS=5.19 / XTweaks = 52, 10, 0, 0, 1 / Straight Contiguous / Clock Resolution = 15ms / Scheme 3-5 (low/realtime) / 8x Arc Prediction (switch #5 'up/off') / Unattended
Main System: mobo USB3 port -> Lush -> Phasure NOS1a B75 G3 -> First Watt F5-cloned mono amps -> Tune Audio Anima horn speakers
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boleary
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« Reply #82 on: September 13, 2014, 06:05:31 pm »

Well, I just ordered the following (silver plated solid copper---a bit more expensive.):

http://www.l-com.com/coaxial-rg142b-coaxial-cable-bnc-male-male-30-ft

Didn't see the posts after my initial one this morning. Manny, let us know if there's a difference between the cheap cable and the "Huber" cable. Thanks guys.
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« Reply #83 on: September 13, 2014, 06:07:17 pm »

Hi, see this cable on Ebay.com

K02252D HUBER SUHNER TEFLON 50OHMS CABLE

and buy the appropriate BNC connector from Hubner+Suhner .......

Hey, thanks Joachim. I've just gone ahead and ordered 20m. Do you happen to know where I can get the Huber + Suhner 50 Ohm BNC connectors? Also, will I need a special tool to fit the BNC connectors?

Mani.


Here,

the connectors

http://ecom.hubersuhner.com/ecomm/products/Radio-Frequency/RF-Adaptors/pcat-4/index.html


Joachim

Edit:

http://ecom.hubersuhner.com/ecomm/distributors/our-distributors.html

Cable assembled to connector via Crimp technique, see page

http://literature.hubersuhner.com/Technologies/Radiofrequency/RFCablesEN/?page=74

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nik.d
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« Reply #84 on: September 13, 2014, 06:21:58 pm »

@Mani - stop, cancel your e-bay order.
K02252D has Steel + Copper + Silver center conductor.

You should look for K03252D or RG393 or ENVIROFLEX 393 (blue colored jacket) for extreme low loss coax.
There's also H-S SUCOFORM_250-1_FEP capable of 18GHz, but I could not find any adapter with such capabilities...

Think that RG223/U cable of some known brand like Belden, Draka etc. would offer satisfactory quality as well.

@Peter,
Thank you vm for very detailed reply !  drinks 
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manisandher
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« Reply #85 on: September 13, 2014, 06:22:51 pm »

Hi Joachim, I was talking about the actual BNC connectors for the wire, and not the BNC-RCA adapters (although I'll certainly look into getting a couple of pairs of H+S adapters too).

Having done a search, I think I'll need a couple of pairs of these:

http://www.hubersuhner.com/ProdDet/2761105

Mani.
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Audio PC: Phasure Mach II *with clock upgrade* / Win 14393.0 on RAM-OS / controlled by RDC, no GPU card installed / connected directly to music server
XXHighEnd: 2.10 / Minimize OS / Engine#4 Adaptive / DB=4096 / *trying*: Q1=30 / xQ1=40 / Q3,4,5=1 / SFS=5.19 / XTweaks = 52, 10, 0, 0, 1 / Straight Contiguous / Clock Resolution = 15ms / Scheme 3-5 (low/realtime) / 8x Arc Prediction (switch #5 'up/off') / Unattended
Main System: mobo USB3 port -> Lush -> Phasure NOS1a B75 G3 -> First Watt F5-cloned mono amps -> Tune Audio Anima horn speakers
Office System: Lush -> Phasure NOS1a G3 -> BD-Design BD30-SPR mono amps -> Tune Audio Marvel horn speakers
manisandher
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« Reply #86 on: September 13, 2014, 06:28:14 pm »

@Mani - stop, cancel your e-bay order.
K02252D has Steel + Copper + Silver center conductor.

Hmmm...

Does the 'St' stand for steel or antimony?

Mani.
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Audio PC: Phasure Mach II *with clock upgrade* / Win 14393.0 on RAM-OS / controlled by RDC, no GPU card installed / connected directly to music server
XXHighEnd: 2.10 / Minimize OS / Engine#4 Adaptive / DB=4096 / *trying*: Q1=30 / xQ1=40 / Q3,4,5=1 / SFS=5.19 / XTweaks = 52, 10, 0, 0, 1 / Straight Contiguous / Clock Resolution = 15ms / Scheme 3-5 (low/realtime) / 8x Arc Prediction (switch #5 'up/off') / Unattended
Main System: mobo USB3 port -> Lush -> Phasure NOS1a B75 G3 -> First Watt F5-cloned mono amps -> Tune Audio Anima horn speakers
Office System: Lush -> Phasure NOS1a G3 -> BD-Design BD30-SPR mono amps -> Tune Audio Marvel horn speakers
nik.d
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« Reply #87 on: September 13, 2014, 06:35:21 pm »

Here's data from www2.hubersuhner  (com)


* K02252D.JPG (51.32 KB, 812x347 - viewed 876 times.)
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christoffe
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« Reply #88 on: September 13, 2014, 06:45:50 pm »

Hi Joachim, I was talking about the actual BNC connectors for the wire, and not the BNC-RCA adapters (although I'll certainly look into getting a couple of pairs of H+S adapters too).

Having done a search, I think I'll need a couple of pairs of these:

http://www.hubersuhner.com/ProdDet/2761105

Mani.

Hi Mani,

yes, that's the right ones.

Joachim

The cable you ordered has the same capacitance with 96pF/m and a lower operating voltage as the mat'l combination CuAg, and both cables are double shielded. That is the identical cable I have.

* 22511081_dataSheet(1).pdf (64.35 KB - downloaded 346 times.)
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nik.d
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« Reply #89 on: September 13, 2014, 07:16:41 pm »

Hi Joachim,

Yesterday night I was discussing over phone with my friend mentioning H+S coax cables and he pointed me to e-bay link where K02252D is available for just $2.99 / meter.
If you look at photo here you will notice that cable jacket is different, I would say transparent, not the same as on your cable(s). And K03252D costs much, much more (~$12/feet).
That's the reason I warned Mani on his e-bay purchase. And yes, capacitance of K02252D is 97pF. H+S data here
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