Monoprice Cabernet 40' with 4k - Success? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 13 Old 08-18-2019, 10:25 AM - Thread Starter
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Monoprice Cabernet 40' with 4k - Success?

I saw the test results in this forum and this particular cable doesn't pass for a full signal 18gbps, but I'm wondering if anyone is still using it with success on 4k content (assumption being that not all 4k content is eating up 18gbps)? I have a JVC RS400, Marantz SR8012, Monoprice Cabernet 40', and just ordered a Panasonic UB820. The Panasonic will send a 4k signal without sending a HDR signal, if that makes any difference. I think I can force it to 24fps.

Anybody with a similar setup having success, or is everybody with a projector run using fiber optic?

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post #2 of 13 Old 08-18-2019, 10:51 AM
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Quote:
Originally Posted by SteveCallas View Post
I saw the test results in this forum and this particular cable doesn't pass for a full signal 18gbps, but I'm wondering if anyone is still using it with success on 4k content (assumption being that not all 4k content is eating up 18gbps)? I have a JVC RS400, Marantz SR8012, Monoprice Cabernet 40', and just ordered a Panasonic UB820. The Panasonic will send a 4k signal without sending a HDR signal, if that makes any difference. I think I can force it to 24fps.

Anybody with a similar setup having success, or is everybody with a projector run using fiber optic?
40' is getting a bit long for 4k HDR for any cable. The hybrid fiber cables from Ruipro (Ruipro4k) are getting the most favorable results. At 40' are you running your cables in a conduit or do you have easy access to them? The most successful connections are a single cable, source to sink, with no extensions, adapters, wall plates, etc in-between the source and sink. Distance is the achilles heel for 4k HDR. The longer the run, the more apt one is to have issues. The hybrid fiber cables are active.
Certification for passive cables is only good to 25' so you won't find any ATC certified cables longer than 25'. Active cables can not get the ATC certification.

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post #3 of 13 Old 08-18-2019, 11:07 AM - Thread Starter
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The cabernet is active - I'm unsure of whether mine was Redmere or the newer Spectra 7 at the time I bought it in spring of 2017, but I'm thinking it is Redmere.

The cable was run in a conduit, but if my memory serves me correctly, on the last horizontal run to the projector in the middle width of the room, I went bare cable and used some connectors nailed to the ceiling joist. I'd imagine those could be yanked out with enough force even though I can't get to them. I would need to secure a new cable to the old cable and pull the old cable out.

Are people having success with the newer Spectra 7, or is fiber optic the only answer?
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post #4 of 13 Old 08-18-2019, 02:03 PM
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Some have had success with the Spectra 7 chipsets so you’ll just have to try. Do keep in mind that active cables should not be daisy chained as that can introduce errors and is not recommended by most cable mfrs. If it were me I’d go with the Ruipro4k cable and keep it a single connection, source to sink.
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post #5 of 13 Old 08-18-2019, 02:14 PM - Thread Starter
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You seem to enjoy saying “source to sink” lol. I run certified premium HDMI cables into the receiver, and then the active cable from the receiver to the projector. The panasonic does have 2 hdmi outs and the jvc does have 2 hdmi ins, so “source to sink” may be possible.
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post #6 of 13 Old 08-18-2019, 05:53 PM
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Quote:
Originally Posted by SteveCallas View Post
You seem to enjoy saying “source to sink” lol. I run certified premium HDMI cables into the receiver, and then the active cable from the receiver to the projector. The panasonic does have 2 hdmi outs and the jvc does have 2 hdmi ins, so “source to sink” may be possible.
The receiver can be both, sink when a cable is connected to it and then source when the cable goes out to your display. What you don’t want is any extenders, adapters, etc in-between cable connections to or from the receiver.
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post #7 of 13 Old 08-19-2019, 08:13 AM
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Quote:
Originally Posted by SteveCallas View Post
I saw the test results in this forum and this particular cable doesn't pass for a full signal 18gbps, but I'm wondering if anyone is still using it with success on 4k content (assumption being that not all 4k content is eating up 18gbps)? I have a JVC RS400, Marantz SR8012, Monoprice Cabernet 40', and just ordered a Panasonic UB820. The Panasonic will send a 4k signal without sending a HDR signal, if that makes any difference. I think I can force it to 24fps.

Anybody with a similar setup having success, or is everybody with a projector run using fiber optic?
I own the Panasonic UB820 and use it with my Epson HC4000 4K projector (10.2 Gbps). As long as you restrict the UB820 to 24fps you should be fine. Originally I ran it successfully with an older 50' Blue Jeans high speed cable. Later I switched to a 50' Ruipro Hybrid cable because my next projector will have the full 18.2 Gbps chipset. As others have said try your current setup and see if it works with the UB820. Problems start when you try pushing 4K/60p.

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post #8 of 13 Old 08-19-2019, 08:57 AM - Thread Starter
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That’s the good news I was hoping to hear! Unit should arrive Tuesday and I should be able to test Wednesday. If it is established that 24fps without HDR signal maxes out below 18gbps, then I think this cable can do the job.

Was the Blue Jeans cable active or passive?
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post #9 of 13 Old 08-20-2019, 08:31 AM
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Originally Posted by SteveCallas View Post
That’s the good news I was hoping to hear! Unit should arrive Tuesday and I should be able to test Wednesday. If it is established that 24fps without HDR signal maxes out below 18gbps, then I think this cable can do the job.

Was the Blue Jeans cable active or passive?
The Blue Jean cable was passive. As long as I restricted my datastream to 24fps I was able to get 4K and HDR on my Epson even from streaming devices. Here is an older screenshot I took when I was using the Sony X800 (4K) Blu-ray player with the Blue Jeans cable.
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post #10 of 13 Old 08-20-2019, 04:44 PM
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“source to sink”- in HDMI terms is Source > Repeater > Sink, where the AVR is the Repeater.

Always follow the signal flow with any of the active cables - be they Copper, Fibre or Hybrid Fibre.

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post #11 of 13 Old 08-20-2019, 09:15 PM - Thread Starter
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It’s all hooked up now, will test in tomorrow.
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post #12 of 13 Old 08-21-2019, 07:54 PM - Thread Starter
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So it likes 4k, 60hz, 4:4:4, no problem!

Monoprice certified premium 6’ from Panasonic UB820 to Marantz SR8012, then monoprice cabernet 45’ to JVC RS400. Success!
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post #13 of 13 Old 08-21-2019, 10:31 PM
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Quote:
Originally Posted by SteveCallas View Post
So it likes 4k, 60hz, 4:4:4, no problem!

Monoprice certified premium 6’ from Panasonic UB820 to Marantz SR8012, then monoprice cabernet 45’ to JVC RS400. Success!
Excellent!

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